CN217530862U - Multifunctional highway cruising robot - Google Patents

Multifunctional highway cruising robot Download PDF

Info

Publication number
CN217530862U
CN217530862U CN202221181691.6U CN202221181691U CN217530862U CN 217530862 U CN217530862 U CN 217530862U CN 202221181691 U CN202221181691 U CN 202221181691U CN 217530862 U CN217530862 U CN 217530862U
Authority
CN
China
Prior art keywords
bracing piece
robot
cavity
wheel hub
fixed frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202221181691.6U
Other languages
Chinese (zh)
Inventor
张鸣轩
任建
万安阳
杜文昊
陈逸恒
李小雨
魏子科
肖伟
朱悦鑫
王梓涵
杨诗琪
徐如意
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenyang University of Technology
Original Assignee
Shenyang University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenyang University of Technology filed Critical Shenyang University of Technology
Priority to CN202221181691.6U priority Critical patent/CN217530862U/en
Application granted granted Critical
Publication of CN217530862U publication Critical patent/CN217530862U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Toys (AREA)

Abstract

The utility model provides a multi-functional highway robot that cruises, which comprises a body, a plurality of firm subassemblies and the subassembly of patrolling, the subassembly setting of patrolling is at the top of body, the inside of body is provided with a plurality of cavitys, bottom and a plurality of cavity swing joint that a plurality of firm subassemblies passed the body respectively, and firm subassembly and cavity one-to-one, so that firm subassembly drives the body stationary movement, firm subassembly includes the bracing piece, fixed frame, wheel hub, the connecting rod, limiting plate and elastic component, the body activity setting is passed to the one end of bracing piece in the cavity, fixed frame is connected to the other end of bracing piece, rotate through connecting rod and wheel hub in the fixed frame and be connected, the limiting plate is connected to the one end of the bracing piece that is located the cavity, it is relatively poor to solve current stability to the robot that cruises of highway, can make the robot produce when moving on the highway road surface of unevenness rock, make equipment roll over phenomenon even, lead to the problem that influences work efficiency.

Description

Multifunctional highway cruising robot
Technical Field
The utility model belongs to the technical field of the highway device that cruises, concretely relates to multi-functional highway robot that cruises.
Background
The highway is a public road which is built according to the highway engineering technical standard specified by the state and can be used for vehicles to run in cities, rural and urban areas and rural areas and is approved by a highway administration department, and comprises a roadbed, a road surface, a bridge, a culvert and a tunnel.
Disclosure of Invention
Therefore, the to-be-solved technical problem of the utility model is to provide multi-functional highway robot that cruises, can solve the current stability of the robot that cruises to the highway relatively poor, can make the robot that cruises produce when removing on the highway road surface of unevenness and rock, make equipment roll-over phenomenon even, lead to the problem that influences work efficiency.
In order to solve the problems, the utility model provides a multifunctional highway cruising robot, which comprises a body, a plurality of stabilizing assemblies and a cruising assembly, wherein the cruising assembly is arranged at the top of the body, a plurality of cavities are arranged inside the body, the stabilizing assemblies respectively penetrate through the bottom of the body and are movably connected with the cavities, and the stabilizing assemblies and the cavities are in one-to-one correspondence so as to enable the stabilizing assemblies to drive the body to stably move;
firm subassembly includes the bracing piece, fixed frame, wheel hub, connecting rod, limiting plate and elastic component, and the body activity setting is passed to the one end of bracing piece in the cavity, and fixed frame is connected to the other end of bracing piece, rotates through connecting rod and wheel hub in the fixed frame to be connected, is located the one end of the bracing piece of cavity and connects the limiting plate, and the limiting plate is kept away from and is provided with the elastic component between the terminal surface of bracing piece and the up end of cavity, wheel hub and power supply unit electric connection to the limiting plate.
Optionally, power supply unit includes backup pad and battery, and the backup pad is installed on the lateral wall of body, and the battery is installed in the backup pad, battery and wheel hub electric connection.
Optionally, the top of the body is provided with a storage groove, and the patrol assembly is arranged in the storage groove.
Optionally, the tour subassembly includes support column and video cassette recorder, and the support column is located the one end of putting the thing inslot and rotates with the body to be connected, and the other end and the video cassette recorder of support column are connected.
Optionally, the tour subassembly still includes multiunit teeth of a cogwheel, motor and gear, and the multiunit teeth of a cogwheel setting is at the surface of support column, and the motor with put the thing groove and be connected, the gear is connected to the output of motor, gear and the meshing transmission of multiunit teeth of a cogwheel.
Optionally, the bottom of motor is provided with a plurality of extension rods, and the extension rod is connected with the bottom of putting the thing groove.
Optionally, the inside wall of putting the thing groove is provided with a plurality of water drainage tank, and the slope is provided with the filter screen on putting the inside wall of thing groove, and the filter screen is located water drainage tank's upper end.
Optionally, a guide plate is arranged on the outer side wall of the body and is arranged above the storage battery.
Advantageous effects
The embodiment of the utility model provides a multi-functional highway robot that cruises that provides, a plurality of firm subassemblies that set up in vertical direction through the body below, removal through firm subassembly, and then realize driving the body motion, simultaneously under power supply unit effect through wheel hub, wheel hub removes, it removes to drive the body, at the removal in-process, wheel hub is under the bracing piece effect, bracing piece up-and-down motion in the cavity promptly, and make the elastic component contract, the stability of body has been increased, when making the body move on the road surface of unevenness, avoid taking place to rock and the phenomenon of overturning, and then improved the efficiency of tour.
The utility model discloses the advantage:
1. the utility model discloses a set up cavity, bracing piece, fixed frame, wheel hub, connecting rod, limiting plate, elastic component, backup pad and battery, can make wheel hub rotate through the battery, make the body remove, then the bracing piece reciprocates in the cavity, makes the elastic component shrink, increases the stability of body.
2. The utility model discloses a setting is put thing groove, support column and video cassette recorder, can make when removing the body, arranges the top of support column in with the video cassette recorder, can increase the field of vision scope of video cassette recorder, has played the effect that increases work efficiency.
3. The utility model discloses a set up the multiunit teeth of a cogwheel, motor and gear, can make when the body removes, the motor drives the gear and rotates, and the gear drives the support column with multiunit teeth of a cogwheel meshing and rotates, makes the video cassette recorder rotate, increases the video recording scope of video cassette recorder.
4. The utility model discloses a set up the extension rod, can make and move when meetting rainy day at the body, put the thing inslot and probably ponding, the extension rod can make the motor and put and have certain distance between the thing groove, prevents that the rainwater from soaking the motor, prevents that the motor from damaging.
5. The utility model discloses a set up water drainage tank, can make when the body removes and meets when rainy day, put the thing inslot and probably ponding, the rainwater can be discharged through water drainage tank this moment, prevents that the rainwater from piling up and putting the thing inslot to increase the weight of body.
6. The utility model discloses a set up the filter screen, in the time of can making the rainy day, the rainwater passes through water drainage tank and discharges, prevents to put debris such as the leaf of thing inslot and blocks up water drainage tank to influence drainage efficiency.
7. The utility model discloses a set up the guide plate, can make when the body is removed in the rainy day, prevent rainwater and battery contact, cause the battery to break down, played the effect that increases the body security.
Drawings
Fig. 1 is a schematic perspective view of a multifunctional road cruising robot according to an embodiment of the present invention;
fig. 2 is a left side view structure diagram of the embodiment of the present invention;
fig. 3 isbase:Sub>A schematic structural diagram ofbase:Sub>A-base:Sub>A section of the embodiment of the present invention.
The reference numerals are represented as:
1. a body;
2. a stabilizing assembly; 20. a support bar; 21. a fixing frame; 22. a hub; 23. a connecting rod; 24. a limiting plate; 25. an elastic member;
3. a patrol component; 30. a support pillar; 31. a video recorder; 32. a plurality of sets of gear teeth; 33. a motor; 34. a gear;
4. a cavity; 5. a support plate; 6. a storage battery; 7. a storage groove; 8. an extension rod; 9. a water discharge tank; 10. filtering with a screen; 11. a baffle.
Detailed Description
Referring to fig. 1 to 3 in combination, according to an embodiment of the present invention, a multifunctional highway cruising robot please refer to fig. 1 and 3, including a body 1, a plurality of stabilizing assemblies 2 and a patrol assembly 3, wherein the patrol assembly 3 is disposed at the top of the body 1, the body 1 is internally provided with a plurality of cavities 4, the stabilizing assemblies 2 respectively pass through the bottom of the body 1 to be movably connected with the cavities 4, and the stabilizing assemblies 2 and the cavities 4 are in one-to-one correspondence, so that the stabilizing assemblies 2 drive the body 1 to move stably; firm subassembly 2 includes bracing piece 20, fixed frame 21, wheel hub 22, connecting rod 23, limiting plate 24 and elastic component 25, body 1 activity setting is passed to the one end of bracing piece 20 in cavity 4, fixed frame 21 is connected to the other end of bracing piece 20, rotate through connecting rod 23 and wheel hub 22 in the fixed frame 21 and be connected, limiting plate 24 is connected to the one end of the bracing piece 20 that is located cavity 4, limiting plate 24 is kept away from and is provided with elastic component 25 between the terminal surface of bracing piece 20 and the up end of cavity 4, wheel hub 22 and power supply unit electric connection. The utility model discloses a body 1 below is at a plurality of firm subassemblies 2 that vertical direction set up, through the removal of firm subassembly 2, and then realize driving body 1 motion, simultaneously through wheel hub 22 under the power supply unit effect, wheel hub 22 removes, it removes to drive the body, at the removal in-process, wheel hub 22 is under the effect of bracing piece 20, bracing piece 20 up-and-down motion in cavity 4 promptly, and make elastic component 25 shrink, the stability of body 1 has been increased, when making body 1 remove on the road surface of unevenness, avoid taking place to rock and the phenomenon of overturning, and then the efficiency of patrolling has been improved.
Further, a plurality of firm subassembly 2 are vertical to be set up in the below of body 1, and firm subassembly 2's one end is connected with body 1 promptly, and the other end contacts with the road surface of highway, removes on the road surface of highway.
Further, the number of the cavities 4 is selected according to the actual use, wherein, preferably, the number of the cavities 4 is four, that is, the cavities 4 are arranged inside the body 1 in a rectangular shape at four corners of the body 1. Wherein, the degree of depth of cavity 4 is selected according to the use of reality, the utility model discloses do not do further injecing.
Furthermore, the patrol assembly 3 is used for patrolling the highway, and the view field of patrol is increased above the body 1, so that the working efficiency is improved.
Further, the stabilizing members 2 correspond to the cavities 4 one-to-one, i.e. one stabilizing member 2 is disposed in one cavity 4, i.e. the number of stabilizing members 2 is the same as the number of cavities 4.
Further, the cavity 4 is arranged in the vertical direction of the body 1, i.e. inside the body 1. The diameter of the limiting plate 24 is the same as that of the cavity 4, and the limiting plate 24 can move up and down stably in the cavity 4. And the supporting rod 20 penetrates through the bottom of the body 1 and is fixedly connected with the limiting plate 24 below the cavity 4 through welding or threaded connection. The lower part of the support rod 20 is welded and connected with a fixing frame 21, and the fixing frame 21 is of a shape of \ 21274, i.e. the direction of the opening faces the road surface of the road, which is convenient for installing the hub 22 and is convenient for the hub 22 to contact with the road surface of the road.
Further, fixed frame 21 is all run through at the both ends of connecting rod 23, and with fixed frame 21 fixed connection, wheel hub 22 is rotated with connecting rod 23 and is connected, through power supply unit and wheel hub 22 electric connection, wheel hub 22 has the power of motion, realizes that wheel hub 22 rotates on the road surface, drives body 1 and removes.
Further, elastic component 25 is the spring, specific model and elasticity the utility model discloses select according to in-service use, realize to body 1 play firm effect can.
Referring to fig. 3, the power supply device includes a supporting plate 5 and a battery 6, the supporting plate 5 is mounted on the outer side wall of the body 1, the battery 6 is mounted on the supporting plate 5, and the battery 6 is electrically connected to the hub 22. The utility model discloses a battery 6 on the body 1 gives the power of wheel hub 22 motion.
Further, backup pad 5 and arbitrary lateral wall fixed connection of body 1, specific connected mode be welding or threaded connection all can, realize fixed connection can. The mounting direction of the support plate 5 is parallel to the plane of movement of the body 1. The storage battery 6 is detachably mounted on the supporting plate 5, so that the storage battery 6 is convenient to replace, namely the storage battery is convenient to mount.
Referring to fig. 3, the top of the body 1 is provided with a storage slot 7, and the patrol assembly 3 is disposed in the storage slot 7. The patrol assembly 3 is convenient to install through the storage groove 7.
Referring to fig. 1 and 3, the patrol assembly 3 includes a support column 30 and a video recorder 31, one end of the support column 30 located in the storage slot 7 is rotatably connected to the body 1, and the other end of the support column 30 is connected to the video recorder 31.
Further, the one end of support column 30 is passed the bottom of putting thing groove 7, and rotates between body 1 to be connected, concrete rotation mode of connecting promptly the utility model discloses do not further injecing, select according to in-service use, realize that the one end of support column 30 not only plays the supporting role, simultaneously and body 1 between relative rotation, and support column 30 is the perpendicular setting with body 1.
Further, the video recorder 31 is fixedly mounted on the upper surface of the support column 30. Adopt to put thing groove 7, support column 30 and video recorder 31, can make when removing body 1, arrange video recorder 31 in the top of support column 30, can increase video recorder 31's field of vision scope, played the effect that increases work efficiency.
The patrol assembly 3 further comprises a plurality of groups of gear teeth 32, a motor 33 and a gear 34, wherein the plurality of groups of gear teeth 32 are arranged on the outer surface of the support column 30, the motor 33 is connected with the object placing groove 7, the output end of the motor 33 is connected with the gear 34, and the gear 34 is in meshing transmission with the plurality of groups of gear teeth 32. Through gear 34 and the meshing transmission of multiunit teeth of a cogwheel 32 for video recorder 31 rotates, increases the scope of video recording, improves the efficiency of patrolling.
Further, a plurality of sets of gear teeth 32 are disposed on the outer surface of the supporting column 30, wherein the height of the gear 34 on the supporting column 30 is identical to the height of the plurality of sets of gear teeth 32, so as to facilitate the meshing transmission between the gear 34 and the plurality of sets of gear teeth 32.
Please refer to fig. 3, further, through setting up multiunit teeth of a cogwheel 32, motor 33 and gear 34, can make when body 1 removes, motor 33 drives gear 34 and rotates, and gear 34 meshes multiunit teeth of a cogwheel 32 and rotates, drives support column 30 and rotates, makes video recorder 31 can rotate, increases video recorder 31's video recording scope, improves the efficiency of patrolling.
The bottom of motor 33 is provided with a plurality of extension rods 8, and extension rod 8 is connected with the bottom of putting thing groove 7. Through extension rod 8, avoid motor 33 direct with put 7 bottoms in thing groove and be connected, and then avoid motor 33 to be soaked by the rainwater.
Further, the quantity of extension rod 8 is three, and the angle between the adjacent extension rod 8 is 120 degrees, and the one end of extension rod 8 all can with motor 33 fixed connection, welding or threaded connection. The other end of the extension rod 8 is fixedly connected with the bottom of the storage groove 7.
Referring to fig. 3, further, by providing the extension rod 8, when the body 1 moves and meets rainy days, water may be accumulated in the storage tank 7, and the extension rod 8 may keep a certain distance between the motor 33 and the storage tank 7, so as to prevent the motor 33 from being soaked by rainwater and damage to the motor 33.
The inside wall of putting thing groove 7 is provided with a plurality of water drainage tank 9, and the slope is provided with filter screen 10 on putting the inside wall of thing groove 7, and filter screen 10 is located water drainage tank 9's upper end. Through the ponding of the 7 inner chambers of drainage tank 9 discharge thing groove, through filter screen 10, avoid impurity to fall near drainage tank 9, block up drainage tank 9.
Further, a plurality of water drainage tank 9 set up on putting arbitrary inside wall of thing groove 7, and evenly arrange, are located water drainage tank 9 top and set up filter screen 10, and the slope sets up, the one end of filter screen 10 and the lateral wall fixed connection who puts thing groove 7, the other end of filter screen 10 and the bottom fixed connection who puts thing groove 7 play the effect of filtering debris.
Referring to fig. 3, further, by providing the drainage channel 9, when the body 1 moves and meets a rainy day, water may be accumulated in the storage channel 7, and at this time, rainwater can be drained through the drainage channel 9, so that rainwater is prevented from accumulating in the storage channel 7, thereby increasing the weight of the body 1. Through setting up filter screen 10, filter debris, in the time of can making rainy day, the rainwater passes through water drainage tank 9 and discharges, prevents to put debris such as leaf in the thing groove 7 and blocks up water drainage tank 9 to influence drainage efficiency.
The outer side wall of the body 1 is provided with a guide plate 11, and the guide plate 11 is arranged above the storage battery 6. The shape of guide plate 11 is for falling V-arrangement, and a lateral wall of guide plate 11 and the lateral wall fixed connection of body 1. And is located above the battery 6. The storage battery 6 is protected, and the storage battery 6 is prevented from being wetted by rainwater.
Referring to fig. 3, further, by providing the guide plate 11, when the body 1 is moved in a rainy day, the storage battery 6 is prevented from being broken down due to contact of rainwater with the storage battery 6, thereby increasing the safety of the body 1.
The utility model discloses a theory of operation:
when using, through battery 6 drive wheel hub 22, make wheel hub 22 rotate, wheel hub 22 drives body 1 and removes, then starter motor 33, and motor 33 drives gear 34 and rotates, because gear 34 meshes with multiunit teeth of a cogwheel 32 mutually, so support column 30 drives video recorder 31 and rotates, increases video recorder 31's field of vision scope.
When encountering a bumpy road surface, the support rod 20 can drive the limiting plates 24 to move upwards, the limiting plates 24 move upwards and drive the elastic pieces 25 to contract, and at the moment, the elastic pieces 25 can absorb part of force to increase the stability of the body 1.
When rainy day the rainwater can get into put the thing groove 7 in, then the rainwater passes through water drainage tank 9 and discharges, prevents to get into the rainwater of putting in the thing groove 7 and increases body 1's weight to reduce body 1's displacement.
The utility model discloses a multi-functional highway robot that cruises, cooperation through setting up cavity 4, bracing piece 20, fixed frame 21, wheel hub 22, connecting rod 23, limiting plate 24, elastic component 25, backup pad 5 and battery 6 is used, solved and had now when patrolling to the highway, some stability of the robot that cruises are relatively poor, can make the robot that cruises produce when moving on the highway road surface of unevenness rock, still can make equipment tumble sometimes, lead to influencing work efficiency's problem.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

Claims (8)

1. The multifunctional highway cruising robot is characterized by comprising a body (1), a plurality of stabilizing assemblies (2) and a patrol assembly (3), wherein the patrol assembly (3) is arranged at the top of the body (1), a plurality of cavities (4) are formed in the body (1), the stabilizing assemblies (2) respectively penetrate through the bottom of the body (1) and are movably connected with the cavities (4), and the stabilizing assemblies (2) correspond to the cavities (4) one by one so that the stabilizing assemblies (2) drive the body (1) to move stably;
firm subassembly (2) include bracing piece (20), fixed frame (21), wheel hub (22), connecting rod (23), limiting plate (24) and elastic component (25), body (1) activity setting is passed to the one end of bracing piece (20) in cavity (4), fixed frame (21) is connected to the other end of bracing piece (20), rotate through connecting rod (23) and wheel hub (22) in fixed frame (21) and be connected, limiting plate (24) are connected to the one end that is located bracing piece (20) in cavity (4), be provided with elastic component (25) between the terminal surface that bracing piece (20) were kept away from in limiting plate (24) and the up end of cavity (4), wheel hub (22) and power supply unit electric connection.
2. Multifunctional road cruising robot according to claim 1, characterized in that the power supply means comprises a support plate (5) and a battery (6), the support plate (5) being mounted on the outer side wall of the body (1), the battery (6) being mounted on the support plate (5), the battery (6) being electrically connected to the hub (22).
3. The multifunctional road cruising robot as claimed in claim 1, wherein the body (1) is provided at a top thereof with a storage slot (7), and the patrol assembly (3) is disposed in the storage slot (7).
4. The multifunctional road cruising robot as claimed in claim 3, wherein the cruising component (3) comprises a supporting column (30) and a video recorder (31), one end of the supporting column (30) positioned in the storage groove (7) is rotatably connected with the body (1), and the other end of the supporting column (30) is connected with the video recorder (31).
5. The multifunctional road cruising robot as claimed in claim 4, wherein the cruising assembly (3) further comprises a plurality of sets of gear teeth (32), a motor (33) and a gear (34), the plurality of sets of gear teeth (32) are arranged on the outer surface of the supporting column (30), the motor (33) is connected with the storage groove (7), the output end of the motor (33) is connected with the gear (34), and the gear (34) is in meshing transmission with the plurality of sets of gear teeth (32).
6. The multifunctional road cruising robot as claimed in claim 5, wherein the bottom of the motor (33) is provided with a plurality of extension bars (8), the extension bars (8) being connected with the bottom of the storage slot (7).
7. The multifunctional road cruising robot as claimed in claim 3, wherein the inner side wall of the storage tank (7) is provided with a plurality of drainage grooves (9), the inner side wall of the storage tank (7) is provided with a filter screen (10) in an inclined manner, and the filter screen (10) is located at the upper end of the drainage grooves (9).
8. Multifunctional road cruising robot as claimed in claim 2, characterised in that a deflector (11) is arranged on the outer side wall of the body (1) and the deflector (11) is arranged close to above the battery (6).
CN202221181691.6U 2022-05-17 2022-05-17 Multifunctional highway cruising robot Active CN217530862U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221181691.6U CN217530862U (en) 2022-05-17 2022-05-17 Multifunctional highway cruising robot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221181691.6U CN217530862U (en) 2022-05-17 2022-05-17 Multifunctional highway cruising robot

Publications (1)

Publication Number Publication Date
CN217530862U true CN217530862U (en) 2022-10-04

Family

ID=83435160

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221181691.6U Active CN217530862U (en) 2022-05-17 2022-05-17 Multifunctional highway cruising robot

Country Status (1)

Country Link
CN (1) CN217530862U (en)

Similar Documents

Publication Publication Date Title
CN217530862U (en) Multifunctional highway cruising robot
CN112802353A (en) Artificial intelligence type temporary traffic commanding device
CN109624755A (en) A kind of charging electric motor vehicles stake that can be convenient for storage
CN213391980U (en) Vibration pile driver is used in bridge construction
CN218345992U (en) Warning device for maintenance of highway bridges
CN209307926U (en) Guardrail sweeper
CN217203676U (en) Ground drainage structure for building engineering
CN215859983U (en) Traffic engineering road drilling machine
CN214087162U (en) Cable collecting vehicle of electric shovel of excavator
CN218712772U (en) Be applied to hydraulic engineering trash cleaning machine
CN209798788U (en) Environmental protection afforestation type bank protection device is used to water
CN210712659U (en) Road traffic safety protection net
CN211665517U (en) Road surface evener for highway engineering
CN212983548U (en) Municipal administration road surface removes maintains operation car
CN216406296U (en) Rest platform for emergency stop of road
CN217678648U (en) Bridge supports adjusting device for bridge construction
CN217753832U (en) Battery transportation bracket for new energy automobile
CN213805781U (en) Hydraulic tunnel drainage device
CN211166505U (en) Intelligent charging device of six closed electronic prowl cars
CN214839316U (en) Special beam-pumping unit protection device of oil recovery engineering
CN220767602U (en) Ramming device
CN216712919U (en) Hydraulic engineering slope net
CN218508322U (en) Construction road surface cleaning device
CN218582620U (en) Explosion-proof type patrol robot capable of automatically charging
CN218438384U (en) Movable safety protection vehicle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant