CN108724227B - Pre-tightening type storage entity piece clamping manipulator and method - Google Patents
Pre-tightening type storage entity piece clamping manipulator and method Download PDFInfo
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- CN108724227B CN108724227B CN201810403968.7A CN201810403968A CN108724227B CN 108724227 B CN108724227 B CN 108724227B CN 201810403968 A CN201810403968 A CN 201810403968A CN 108724227 B CN108724227 B CN 108724227B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/02—Gripping heads and other end effectors servo-actuated
- B25J15/0253—Gripping heads and other end effectors servo-actuated comprising parallel grippers
Abstract
The invention discloses a pre-tightening storage entity clamping manipulator and a method, and the pre-tightening storage entity clamping manipulator comprises a fixed base, a sliding lead screw, a movable base, a pre-tightening elastic part, a clamping lead screw and a clamping paw, wherein a storage cabinet is of a shelf type structure and is provided with a plurality of storage spaces, each storage space is provided with a redundant space for correcting postures, and the information storage entity can be horizontally placed; the sliding screw rods are divided into a left sliding screw rod and a right sliding screw rod which are respectively arranged in the fixed base sliding grooves and drive the movable base to move back and forth on the fixed base; the clamping paw is sleeved on the clamping lead screw and can move in a sliding groove of the movable base in an opening and closing mode, the clamping lead screw is installed in the movable base and drives the clamping paw to move in an opening and closing mode, and two ends of the pre-tightening elastic piece are fixed to the left clamping paw and the right clamping paw respectively and stretch along with the opening and closing of the clamping paw to achieve clamping.
Description
Technical Field
The invention relates to a pre-tightening type storage entity piece clamping manipulator and a method.
Background
The information storage entity (such as files, books, image data, etc., the files are taken as representative, but not limited to the files) is a real record of human history, reflects the understanding of people on objective things and phenomena, is a crystal of knowledge and technology, and is an excellent cultural heritage of human beings. The file is reasonably developed and utilized, the civilization process of the society can be accelerated, new knowledge wealth can be obtained and created, and the method is an important motive force for promoting the social history and the civilization progress.
However, with the development of society, the number of files is increasing day by day, the transmission of files is the heavy work that file staff must face every day, the labor intensity of file access is high, the efficiency of file access is low, especially for some files involved in secret, it is not desirable that people have more chances to contact, because of these problems, it is important to accelerate the establishment of the file automation system, and realize the automatic management of each working link of files.
At present, in the service robot industry, there are many cases of file robot application, such as an integrated file management robot, a truss or a guide rail type file management robot, and the like, which all realize the automatic transportation that a file is taken out of a file cabinet by using a robot and then is transported to a docking window of a manager.
Regardless of the form that the robot takes, it is the focus of such robotic research to use the robot to retrieve or return files from the archive shelf. At present, the mode of taking out files by a robot is basically to simulate hands, and the files are clamped by a certain mechanism and then taken out by a clamping mode. Although the file can be firmly clamped in this way, the clamping mechanism is very difficult to position the file, and various auxiliary mechanisms are needed to separate the file for convenient clamping, so that the efficiency of taking out and returning the file is extremely low, and the overall operation efficiency and the popularization of the robot are seriously affected.
In addition, filing cabinet or book case for depositing archives at present all are keeping archives or books and erect the traditional gesture of placing, when utilizing the robot management, mostly adopt the method that increases horizontal interval, separate archives or books in the cabinet to convenient access, however adopt this method to have several drawbacks:
firstly, under the condition that the sizes of the intervals are consistent, the situation that the files or books stored in the robot are not inclined is difficult to ensure, and the inclination angle is not fixed, if the files or the books are inclined, namely the position posture is not fixed, the difficulty of storing, taking and positioning of the robot is increased;
secondly, when the robot accesses files, not only the clamping action similar to hands needs to be carried out, but also some mechanism needs to be designed above and below the paw in order to ensure the correct posture of the files or books, so that the posture of the files or the books can be adjusted, the structure of the robot is more complex, the load is increased, the duration of the robot is shortened, the robot needs more adjusting action and time for grabbing each time, and the running efficiency of the robot is reduced;
in addition, when files or books are stored, if the robot holds the spine to complete the storage, the pages are difficult to scatter, and the files or books are easy to be damaged accidentally.
Disclosure of Invention
The invention provides a pre-tightening type storage entity piece clamping manipulator and a method for solving the problems.
Of course, in order to more clearly describe the technical solution of the present invention, the terms are explained below, the information storage entity, including but not limited to files (or file boxes), books, video disks, video boxes, optical disks, and the like, utilizes an entity information storage structure with a certain floor space, and the present invention is particularly suitable for entity elements that are horizontally placed.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a pre-tightening type storage entity piece clamping manipulator which is applied to a storage cabinet and comprises a fixed base, a sliding lead screw, a movable base, a pre-tightening elastic piece, a clamping lead screw and a clamping paw, wherein:
the storage cabinet is of a shelf structure and is provided with a plurality of storage spaces, each storage space is provided with a redundant space for correcting postures, and the information storage entity pieces can be horizontally placed;
the fixed base is provided with a bearing surface capable of bearing the storage solid piece which is horizontally placed, sliding grooves are formed in two sides of the fixed base, the bottom of the movable base is installed in the sliding grooves in the left side and the right side of the fixed base through sliding blocks, the sliding screw rods are divided into a left sliding screw rod and a right sliding screw rod, the left sliding screw rod and the right sliding screw rod are respectively installed in the sliding grooves of the fixed base, and the movable base is driven to move;
the clamping claws are sleeved on the clamping screw rod and can move in a sliding groove of the movable base in an opening and closing mode, the clamping screw rod is installed in the movable base and drives the clamping claws to move in an opening and closing mode, two ends of the pre-tightening elastic piece are fixed to the left clamping claw and the right clamping claw respectively and stretch along with the opening and closing of the clamping claws, and clamping is achieved.
The storage solid pieces are horizontally arranged and correspondingly designed into horizontal intervals, so that the gravity center of the storage solid pieces can be reduced, posture deviation or inclination in the longitudinal direction can not occur, the storage solid pieces can be separated from the storage space only by adopting a lifting mode when the storage solid pieces are stored and taken by the robot, the storage and taking management is finished, the automatic management efficiency is greatly improved, the structural complexity of the robot is reduced, complex adjustment actions and more adjustment time do not need to be paid for each grabbing, and the cruising ability of the robot is improved.
Furthermore, the clamping claws are opened to a certain width under the movement of the clamping screw rod until the clamping claws can be inserted into gaps between the left side and the right side of the storage solid piece and the storage cabinet.
Furthermore, unable adjustment base has the loading face, can lift information storage solid piece.
Further, the mobile base is provided with a matching surface matched with the outer edge of the information storage entity piece.
Furthermore, the fixed base is of a rectangular structure.
Further, the two sliding lead screws have the same rotating direction.
Furthermore, the two clamping screw rods are different in rotation direction, and the clamping claws are driven to move in an opening and closing mode.
Furthermore, the clamping damping piece is arranged on the inner side of the clamping paw, so that the friction coefficient between the clamping paw and the information storage entity piece is increased, and the load of the file clamping manipulator is increased.
Preferably, the clamping damping member is an elastic pad with grooves or patterns, or a rubber pad and a rubber sleeve.
Preferably, the clamping paw main body is made of organic materials, so that the surfaces of the files can be effectively prevented from being scratched by metal materials.
Furthermore, the clamping paw is perpendicular to the extension direction of the main bodies of the movable base and the fixed base.
Preferably, the pre-tensioned elastic element is a spring.
The second purpose of the invention is to provide a grabbing method based on the manipulator, when the robot needs to take out the storage solid piece, the manipulator aligns to the storage solid piece, the fixed base is inserted into a gap between the upper storage solid piece and the lower storage solid piece, and the left clamping paw and the right clamping paw are opened to a certain width under the movement of the clamping screw rod until the clamping paws can be inserted into gaps between the left side and the right side of the storage solid piece and the storage cabinet; the pre-tightening elastic piece is gradually stretched under the drive of the left clamping paw and the right clamping paw, the movable base moves forwards under the drive of the sliding screw rod, and the clamping paws are driven to cover the two sides of the storage solid piece; the clamping paw is driven by the clamping screw to move inwards until the clamping paw is clamped, a certain clamping pressure is kept under the action of the pre-tightening elastic piece, the sliding screw rotates to drive the moving base to move outwards until the moving base returns completely, and the grabbing action is completed.
The third purpose of the invention is to provide a posture adjustment method based on the manipulator, in the process that the storage entity piece is clamped inwards by the clamping paw, the posture of the storage entity piece is corrected according to the vertical direction of the clamping paw, and the posture correction of the storage entity piece is completed.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides a set of clamping manipulator system which is used in cooperation with a management robot and can improve the operation efficiency of the management robot;
2. the invention has simple structure, strong practicability and easy realization;
3. the invention can be applied to the application management of files with various sizes through simple adjustment;
4. the invention can be used for correcting the posture of the information storage entity piece, and can be beneficial to other automatic operation and management aiming at the information storage entity piece after correction;
5. the invention can be applied to archive management and also can be applied to the management of other precious documents, such as the automatic management of books, electronic audio-video data and the like;
6. according to the invention, the storage solid piece is horizontally placed, and the horizontal interval corresponding to the storage solid piece is designed, so that the gravity center of the storage solid piece can be ensured to be reduced, the posture deviation or inclination in the longitudinal direction can not occur, the robot can finish the separation of the storage solid piece and the storage space only by adopting a lifting mode when the storage solid piece is accessed, the access management is finished, the automatic management efficiency is greatly improved, the structural complexity of the robot is reduced, the robot does not need to pay very complicated adjustment actions and more adjustment time for each grabbing, and the cruising ability of the robot is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a file manipulator;
FIGS. 3(a) -3 (c) are schematic views of file capture according to the present invention;
FIGS. 4(a) and 4(b) are schematic diagrams illustrating the posture correction of the file according to the present invention;
fig. 5 is a schematic view of a file cabinet structure according to the present invention.
Wherein, 1, archives centre gripping manipulator, 2, archives, 3, filing cabinet, 4, manipulator unable adjustment base, 5, remove the base, 6, the slip lead screw, 7, linear electric motor, 8, pretension spring, 9, centre gripping hand claw, 10, centre gripping rubber, 11, filing cabinet support, 12, the filing cabinet body.
The specific implementation mode is as follows:
the invention is further described with reference to the following figures and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only terms of relationships determined for convenience of describing structural relationships of the parts or elements of the present invention, and are not intended to refer to any parts or elements of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be determined according to specific situations by persons skilled in the relevant scientific or technical field, and are not to be construed as limiting the present invention.
An exemplary embodiment is described in detail with reference to files as specific physical pieces, but the exemplary embodiment is only limited to the files, and in other embodiments, the files may be replaced by other physical pieces such as books, and the exemplary embodiment is not limited to the above.
A pre-tightening type file clamping manipulator is disclosed, as shown in figure 1, the manipulator utilizes a linear motor to complete the file clamping action, a supporting plate is arranged at the lower part of the manipulator, and the stability of the file in the transportation process can be kept under the combined action of a clamping paw and the supporting plate;
the linear motor is a transmission device which directly converts electric energy into linear motion mechanical energy without any intermediate conversion mechanism, and controls the direction and the strength of each magnetic pole on a motor shaft through a controller, thereby achieving the purpose of controlling a mobile terminal to do linear, acceleration, deceleration, uniform speed, rotation and other motions on the motor shaft;
different from the vertical placement of the conventional file, the lower file is horizontally placed, so that the gravity center of the storage solid piece is reduced, the posture deviation or inclination in the longitudinal direction is avoided, and the robot can finish the separation of the storage solid piece and the storage space only by adopting a lifting mode when the storage solid piece is stored and taken;
the file is extracted and stored through the configuration, the grabbing/storing efficiency of the manipulator is greatly higher than that of a common clamping mode, and the execution efficiency of the file management robot is greatly improved;
in addition, the file posture can be corrected by the clamping action of the clamping paw;
specifically, as shown in fig. 2, the file clamping manipulator 1 is composed of a manipulator fixing base 4, a moving base 5, a sliding lead screw 6, a linear motor 7, a pre-tightening spring 8, a clamping hand 9 and clamping rubber 10;
as shown in fig. 5, unlike the conventional way of vertically placing files, the files are placed horizontally in a shelf type manner for convenient taking and placing; the file cabinet 3 consists of a file cabinet body 12 and a file cabinet bracket 11, wherein two ends of the file cabinet bracket 11 are used for supporting files 2, and the middle of the file cabinet bracket is suspended;
the mechanical arm fixing base 4 is used as a main structure of a file clamping mechanical arm and is used for lifting a file 2 and bearing parts such as a movable base 5, a sliding lead screw 6 and the like;
in this implementation, manipulator unable adjustment base 4 is the rectangle shape, and the outward flange department of unable adjustment base 4 is provided with protruding structure to make things convenient for the robot to snatch.
The bottom of the movable base 5 is arranged in sliding grooves on the left side and the right side of the fixed base 4 through sliding blocks and can slide back and forth on the manipulator fixed base 4;
as shown in fig. 2, in this embodiment, the movable base 5 is of a pi-shaped structure, two supporting portions are disposed below the movable base, and a latch or a roller structure is disposed inside the supporting portions, and the latch or the roller structure can be movably engaged in and slide along the sliding grooves on the left and right sides of the fixed base 4. The mobile base 5 has a mating surface adapted to the outer edge of the information storage entity.
The sliding screw 6 is divided into a left sliding screw and a right sliding screw, has the same rotating direction, is respectively arranged in sliding chutes on the left side and the right side of the fixed base 4 and is used for driving the movable base 5 to move back and forth on the fixed base 4;
the linear motor 7 is arranged in the movable base 5, and the clamping paw 9 can be driven to open and close in the axial direction of the linear motor 7 under the control of the controller;
the clamping paw 9 is sleeved on the linear motor 7 and can move in a sliding groove of the movable base 5 in an opening and closing manner;
two ends of a pre-tightening spring 8 are respectively fixed on the left clamping paw and the right clamping paw 9 and extend and retract along with the opening and closing of the clamping paws 9;
the clamping rubber 10 is fixed on the inner side of the clamping paw 9 in an adhesion mode and is used for increasing the friction coefficient between the clamping paw 9 and the file 2 and increasing the load of the file clamping manipulator;
as shown in fig. 3(a), when the robot needs to take out a file, first, the manipulator 1 is aligned to the file 2, the manipulator fixing base 4 is inserted into the gap between the upper file and the lower file under the positioning of the visual servo or truss type robot encoder, the left and right clamping claws 9 are opened to a certain width under the control of the linear motor 7 until the clamping claws 9 can be inserted into the gap between the left and right sides of the file 2 and the file cabinet 3, and at this time, the pre-tightening spring 8 is gradually stretched under the driving of the left and right clamping claws 9;
as shown in fig. 3(b), the movable base 5 is driven by the sliding screw 6 to move forward, and drives the clamping claws 9 to cover both sides of the file 2;
as shown in fig. 3(c), when the linear motor 7 is powered off, the clamping paw 9 is driven by the contraction force of the pre-tightening spring 8 to move inward rapidly until the file 2 is clamped, and a certain clamping pressure is maintained under the action of the pre-tightening spring 8, then the sliding screw 6 rotates to drive the moving base 5 to move outward until the moving base 5 completely returns to the original position, and the file 2 is stably placed on the manipulator fixing base 4, so that the file 2 is grabbed;
as shown in fig. 4(a), if the posture of the file 2 on the file rack 10 is deflected for various reasons, the posture of the file 2 can be corrected in the vertical direction of the holding claws 9 in the process of holding the file inwardly by the holding claws 9, as shown in fig. 4(b), and the function of correcting the posture of the file 2 is completed;
the invention provides a set of file gripper grabbing system which is matched with a file management robot for use and can improve the operation efficiency of the file management robot, and the file gripper grabbing system is simple and reliable in structure.
The invention can not only grab and store files, but also correct the problem of incorrect file postures caused by pose precision and various accidents when the file management robot grabs the files, and provides support for the automatic management of the files at the rear end.
The file paw body designed by the invention is made of organic materials (ABS, polyurethane and the like), so that the scratch of the surface of a file caused by metal materials can be effectively avoided;
the file robot has the advantages that the traditional file robot hand grabbing and clamping mode for picking files is abandoned, the file lying mode and the lead screw transmission mode are adopted, the efficiency is high, and the utilization rate of the file robot is increased;
the invention designs the mechanism of the linear motor and the pre-tightening spring to grab the file, has high efficiency, ensures that the claw can still firmly grab the file without any feedback,
the rubber layer capable of increasing the friction coefficient is adhered to the tail end of the mechanical paw, so that the clamping force of the clamping paw and the load capacity of the whole manipulator can be effectively increased;
the invention can be applied to the automatic management of files, and can also be applied to the management of other similar books, image data and the like, and the application range is wide.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (6)
1. The utility model provides a real piece centre gripping manipulator of pretension formula storage, characterized by: including unable adjustment base, slip lead screw, removal base, pretension elastic component, centre gripping lead screw and centre gripping hand claw, wherein: the fixed base is provided with a bearing surface capable of bearing the horizontally placed storage solid piece and used for supporting and lifting the storage solid piece; the sliding screw rods are divided into a left sliding screw rod and a right sliding screw rod which are respectively arranged in the fixed base sliding grooves and drive the movable base to move back and forth on the fixed base; the clamping claws are sleeved on the clamping screw rod and can move in a sliding groove of the movable base in an opening and closing manner, the clamping screw rod is installed in the movable base to drive the clamping claws to move in an opening and closing manner, and two ends of the pre-tightening elastic piece are respectively fixed on the left clamping claw and the right clamping claw and stretch along with the opening and closing of the clamping claws so as to realize clamping;
the two clamping screw rods are different in rotation direction, and the clamping claws are driven to move in an opening and closing manner;
the clamping damping piece is arranged on the inner side of the clamping paw, so that the friction coefficient between the clamping paw and the storage solid piece is increased, and the load of the storage solid piece clamping manipulator is increased; the clamping paw is perpendicular to the extension directions of the main bodies of the movable base and the fixed base, and the posture of the storage solid piece is corrected under the clamping action of the clamping paw;
the movable base is of a pi-shaped structure, two supporting parts are arranged below the movable base, clamping bolts or roller structures are arranged on the inner sides of the supporting parts, and the clamping bolts or the roller structures are movably clamped in sliding grooves in the left side and the right side of the fixed base.
2. The pre-tensioned storage entity holding robot of claim 1 further comprising: the clamping paw is opened to a certain width under the movement of the clamping screw rod until the clamping paw can be inserted into a gap between the left side and the right side of the storage entity piece and the storage cabinet.
3. The pre-tensioned storage entity holding robot of claim 1 further comprising: the rotation directions of the two sliding lead screws are the same.
4. The pre-tensioned storage entity holding robot of claim 1 further comprising: the clamping damping piece is an elastic cushion with grooves or patterns.
5. The method of operation of a robot arm according to any of claims 1-4, characterized by: when the robot needs to take out the storage solid piece, the manipulator aligns the storage solid piece, the fixing base is inserted into a gap between the upper storage solid piece and the lower storage solid piece, and the left clamping paw and the right clamping paw are opened to a certain width under the movement of the clamping screw rod until the clamping paws can be inserted into gaps between the left side and the right side of the storage solid piece and the storage cabinet; the pre-tightening elastic piece is gradually stretched under the drive of the left clamping paw and the right clamping paw, the movable base moves forwards under the drive of the sliding screw rod, and the clamping paws are driven to cover the two sides of the storage solid piece; the clamping paw is driven by the clamping screw to move inwards until the clamping paw is clamped, a certain clamping pressure is kept under the action of the pre-tightening elastic piece, the sliding screw rotates to drive the moving base to move outwards until the moving base returns completely, and the grabbing action is completed.
6. The attitude adjustment method according to any one of claims 1 to 4, wherein: and in the process that the storage solid piece is clamped inwards by the clamping paw, the posture of the storage solid piece is corrected according to the vertical direction of the clamping paw, and the posture correction of the storage solid piece is completed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810403968.7A CN108724227B (en) | 2018-04-28 | 2018-04-28 | Pre-tightening type storage entity piece clamping manipulator and method |
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| CN201810403968.7A CN108724227B (en) | 2018-04-28 | 2018-04-28 | Pre-tightening type storage entity piece clamping manipulator and method |
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| CN108724227A CN108724227A (en) | 2018-11-02 |
| CN108724227B true CN108724227B (en) | 2021-04-20 |
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| CN104875177B (en) * | 2015-05-19 | 2017-03-22 | 上海交通大学 | Intelligent book management robot |
| CN106695751A (en) * | 2015-08-23 | 2017-05-24 | 张桂春 | Book taking-returning manipulator for self-service library in city block |
| CN105538306A (en) * | 2016-01-27 | 2016-05-04 | 岳凌云 | Pneumatic manipulator |
| CN106733674A (en) * | 2016-12-15 | 2017-05-31 | 广东工业大学 | A kind of express transportation system and quick despatch sorting platform |
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Address after: 250101 block B, Yinhe building, 2008 Xinjie street, hi tech Zone, Ji'nan, Shandong. Applicant after: Shandong Luneng Intelligent Technology Co., Ltd. Applicant after: State Grid Shandong Electric Power Company Applicant after: State Grid Corporation of China Address before: 250101 B block 626, Yinhe building, 2008 Xinjie street, Ji'nan high tech Zone, Shandong. Applicant before: Shandong Luneng Intelligent Technology Co., Ltd. Applicant before: State Grid Shandong Electric Power Company Applicant before: State Grid Corporation of China |
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Address after: 250101 Electric Power Intelligent Robot Production Project 101 in Jinan City, Shandong Province, South of Feiyue Avenue and East of No. 26 Road (ICT Industrial Park) Applicant after: National Network Intelligent Technology Co., Ltd. Applicant after: State Grid Shandong Electric Power Company Applicant after: State Grid Co., Ltd. Address before: 250101 block B, Yinhe building, 2008 Xinjie street, hi tech Zone, Ji'nan, Shandong. Applicant before: Shandong Luneng Intelligent Technology Co., Ltd. Applicant before: State Grid Shandong Electric Power Company Applicant before: State Grid Corporation |
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Effective date of registration: 20201026 Address after: 250101 Electric Power Intelligent Robot Production Project 101 in Jinan City, Shandong Province, South of Feiyue Avenue and East of No. 26 Road (ICT Industrial Park) Applicant after: National Network Intelligent Technology Co.,Ltd. Address before: 250101 Electric Power Intelligent Robot Production Project 101 in Jinan City, Shandong Province, South of Feiyue Avenue and East of No. 26 Road (ICT Industrial Park) Applicant before: National Network Intelligent Technology Co.,Ltd. Applicant before: STATE GRID SHANDONG ELECTRIC POWER Co. Applicant before: STATE GRID CORPORATION OF CHINA |
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