CN111747301A - Single-beam bridge crane carrying manipulator - Google Patents

Single-beam bridge crane carrying manipulator Download PDF

Info

Publication number
CN111747301A
CN111747301A CN202010569711.6A CN202010569711A CN111747301A CN 111747301 A CN111747301 A CN 111747301A CN 202010569711 A CN202010569711 A CN 202010569711A CN 111747301 A CN111747301 A CN 111747301A
Authority
CN
China
Prior art keywords
frame
lifting
sliding
manipulator
guide 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.)
Pending
Application number
CN202010569711.6A
Other languages
Chinese (zh)
Inventor
张树文
刘敏
王靓
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.)
Shandong Hoisting Machinery Automation Engineering Technology Research Center
Shandong Drucker Crane Group Co ltd
Original Assignee
Shandong Hoisting Machinery Automation Engineering Technology Research Center
Shandong Drucker Crane Group Co ltd
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 Shandong Hoisting Machinery Automation Engineering Technology Research Center, Shandong Drucker Crane Group Co ltd filed Critical Shandong Hoisting Machinery Automation Engineering Technology Research Center
Priority to CN202010569711.6A priority Critical patent/CN111747301A/en
Publication of CN111747301A publication Critical patent/CN111747301A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C11/00Trolleys or crabs, e.g. operating above runways
    • B66C11/14Trolleys or crabs, e.g. operating above runways adapted to operate on crane or bridge structure of particular configuration, e.g. on reinforced concrete girders of rectangular cross-section
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/04Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/06Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/18Control systems or devices
    • B66C13/50Applications of limit circuits or of limit-switch arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/02Travelling gear incorporated in or fitted to trolleys or cranes for underhung trolleys or cranes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)

Abstract

The invention provides a single-beam bridge crane carrying manipulator which comprises a main beam, a sliding mechanism, a hoisting system, a lifting guide frame, a lifting mechanism and a lifting appliance, wherein the sliding mechanism is arranged, and a U-shaped guide frame is connected with the main beam through an upper end pulley and a side sliding wheel, so that the sliding mechanism can conveniently slide on the main beam, the normal operation of the sliding mechanism is ensured, and the lifting guide frame can be prevented from swinging left and right; the hoisting system drives the manipulator frame to move up and down through the steel wire rope, so that the material is hoisted and taken; the limit switches are arranged, the stroke of the manipulator frame is limited through the two limit switches, so that the situation that a steel wire rope slips or impacts the top in the operation process of the lifting mechanism is avoided, monitoring information collected by the limit switches is guided into a crane controller, and the safety monitoring function is realized; the manipulator frame can be matched with any manipulator for use, so that the automatic material conveying with accurate positioning is realized.

Description

Single-beam bridge crane carrying manipulator
Technical Field
The invention relates to a crane manipulator, in particular to a single-beam bridge crane carrying manipulator.
Background
The single-beam bridge crane is a hoisting device which is transversely arranged above a workshop, a warehouse and a stock yard to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the single-beam bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity.
The existing crane usually adopts the combination of a steel wire rope and a lifting hook to lift materials, but the steel wire rope can swing when the materials are lifted, so that the materials are difficult to be accurately positioned, and the situation that the steel wire rope is out of a groove or the lifting hook is pushed to the top is easily caused due to no protective measures in the lifting process.
Disclosure of Invention
In order to overcome the defects, the invention provides a single-beam bridge crane carrying manipulator.
The technical scheme adopted by the invention for solving the technical problems is as follows: a single-beam bridge crane carrying manipulator comprises a main beam, a sliding mechanism, a hoisting system, a lifting guide frame, a lifting mechanism and a lifting appliance, wherein the sliding mechanism is sleeved on the main beam and is connected with the main beam in a sliding manner; the hoisting system is arranged at the bottom of the sliding mechanism through a bolt; the lifting guide frames are arranged on two sides of the hoisting system, and the tops of the lifting guide frames are fixed at the bottom of the sliding mechanism; the lifting mechanism is arranged in the lifting guide frame and is in sliding connection with the lifting guide frame, and the lifting mechanism is in transmission connection with the hoisting system through a steel wire rope; the lifting appliance is fixed at the lower end of the lifting mechanism through bolts. The lifting appliance is various lifting appliances including a pneumatic opening and closing clamping jaw.
Preferably, the sliding mechanisms (2) are arranged on two sides of the electric hoist trolley and synchronously run with the electric hoist trolley.
Preferably, the sliding mechanism comprises a U-shaped guide frame, a connecting plate, upper end pulleys and side pulleys, wherein the two upper end pulleys are mounted at the top end of the inner side of the U-shaped guide frame through bolts, and the side pulleys are mounted on two sides of the inner part of the U-shaped guide frame through bolts; the bottom of U type leading truck be fixed with the connecting plate, U type leading truck passes through the upper end pulley and sideslips the wheel and is connected with the girder, has made things convenient for slide mechanism to slide on the girder, guarantees slide mechanism's normal operating to can prevent lift leading truck horizontal hunting.
As optimization, the lifting mechanism comprises a manipulator frame, a steel wire rope, a limiting plate and a limit switch, wherein the two sides of the manipulator frame are clamped in the lifting guide frame, and the hoisting system drives the manipulator frame to move up and down through the steel wire rope, so that the material is hoisted and taken.
For optimization, limiting plates are arranged at the upper end and the lower end of one side of the lifting guide frame; the limiting plate is fixed with a limiting switch in a threaded manner, and the stroke of the manipulator frame is limited by the two limiting switches, so that the situation that the steel wire rope slips or rushes to the top in the operation process of the lifting mechanism is avoided.
As optimization, the limit switch is connected with the crane controller through a lead, and monitoring information acquired by the limit switch is led into the crane controller to realize a safety monitoring function.
Preferably, the manipulator frame comprises a frame body, a fixed frame, a movable pulley and a sliding wheel, wherein the sliding wheels are arranged at two ends of the frame body and slide in the lifting guide frame; the fixed frame is welded at the top of the frame body, and a movable pulley is fixed in the fixed frame through a rotating shaft; the movable pulley is in transmission connection with the hoisting system through a steel wire rope, and the manipulator frame slides up and down in the lifting guide frame through the sliding wheel and can be matched with any manipulator for use so as to realize automatic material carrying with accurate positioning.
The invention has the beneficial effects that:
1. according to the arrangement of the sliding mechanism, the U-shaped guide frame is connected with the main beam through the upper end pulley and the side sliding wheel, so that the sliding mechanism can conveniently slide on the main beam, the normal operation of the sliding mechanism is ensured, and the lifting guide frame can be prevented from swinging left and right;
2. according to the lifting mechanism, the hoisting system drives the manipulator frame to move up and down through the steel wire rope, so that the material is hoisted;
3. according to the arrangement of the limit switches, the stroke of the manipulator frame is limited through the two limit switches, so that the situation that a steel wire rope slips or impacts the top in the operation process of the lifting mechanism is avoided, monitoring information collected by the limit switches is led into a crane controller, and a safety monitoring function is realized;
4. according to the arrangement of the manipulator frame, the manipulator frame slides up and down in the lifting guide frame through the sliding wheels, and can be matched with any manipulator for use, so that the automatic material conveying with accurate positioning is realized.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the sliding mechanism of the present invention.
Fig. 3 is a schematic structural diagram of the lifting mechanism of the present invention.
Fig. 4 is a schematic view of the frame structure of the robot of the present invention.
In the figure:
1. girder, 2, slide mechanism, 21, U type leading truck, 22, connecting plate, 23, upper end pulley, side pulley, 3, hoist system, 4, lift leading truck, 5, elevating system, 51, manipulator frame, 511, support body, 512, mount, 513, movable pulley, 514, movable pulley, 52, wire rope, 53, limiting plate, 54, limit switch, 6, hoist.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
The single-beam bridge crane carrying manipulator shown in fig. 1 to 4 comprises a main beam 1, a sliding mechanism 2, a hoisting system 3, a lifting guide frame 4, a lifting mechanism 5 and a lifting appliance 6, wherein the sliding mechanism 2 is sleeved on the main beam 1, and the sliding mechanism 2 is connected with the main beam 1 in a sliding manner; the hoisting system 3 is arranged at the bottom of the sliding mechanism 2 through a bolt; the lifting guide frames 4 are arranged at two sides of the hoisting system 3, and the tops of the lifting guide frames 4 are fixed at the bottom of the sliding mechanism 2; the lifting mechanism 5 is arranged in the lifting guide frame 4 and is in sliding connection with the lifting guide frame 4, and the lifting mechanism 5 is in transmission connection with the hoisting system 3 through a steel wire rope 52; the lifting appliance 6 is fixed at the lower end of the lifting mechanism 5 through bolts.
In this embodiment, the sliding mechanisms 2 are arranged on two sides of the electric hoist trolley and run synchronously with the electric hoist trolley.
In this embodiment, the sliding mechanism 2 includes a U-shaped guide frame 21, a connecting plate 22, an upper end pulley 23 and a side pulley 24, two upper end pulleys 23 are mounted on the top end of the inner side of the U-shaped guide frame 21 through bolts, and the side pulleys 24 are mounted on both sides of the inside of the U-shaped guide frame 21 through bolts; the bottom of U type leading truck 21 be fixed with connecting plate 22, U type leading truck 21 is connected with girder 1 through upper end pulley 23 and sideslip wheel 24, has made things convenient for slide mechanism 2 to slide on girder 1, guarantees slide mechanism 2's normal operating to can prevent lift leading truck 4 horizontal hunting.
In this embodiment, the lifting mechanism 5 includes a manipulator frame 51, a steel wire rope 52, a limit plate 53 and a limit switch 54, two sides of the manipulator frame 51 are both clamped in the lifting guide frame 4, and the hoisting system 3 drives the manipulator frame 51 to move up and down through the steel wire rope 52, so as to realize the hoisting of the material.
In this embodiment, the upper end and the lower end of one side of the lifting guide frame 4 are both provided with a limit plate 53; the limit plate 53 is fixed with a limit switch 54 through threads, and the stroke of the manipulator frame 51 is limited through the two limit switches 54, so that the situation that the steel wire rope 52 slips or rushes to the top in the operation process of the lifting mechanism 5 is avoided.
In this embodiment, the limit switch 54 is connected to the crane controller through a wire, and the monitoring information collected by the limit switch 54 is introduced into the crane controller, so as to implement the safety monitoring function.
In this embodiment, the manipulator frame 51 includes a frame body 511, a fixed frame 512, a movable pulley 513 and a sliding wheel 514, the sliding wheels 514 are disposed at both ends of the frame body 511, and the sliding wheels 514 slide in the lifting guide frame 4; the fixed frame 512 is welded at the top of the frame body 511, and a movable pulley 513 is fixed in the fixed frame 512 through a rotating shaft; the movable pulley 513 is in transmission connection with the hoisting system 3 through a steel wire rope 52, and the manipulator frame 51 slides up and down in the lifting guide frame 4 through a sliding wheel 514, so that the manipulator frame can be matched with any manipulator for use, and automatic material conveying with accurate positioning can be realized.
The working principle and the using method are as follows: when using, U type leading truck 21 is connected with girder 1 through upper end pulley 23 and sideslip wheel 24, slide mechanism 2 is driven the operation simultaneously along with the direction and the speed of electric block dolly operation, hoist system 3 drives manipulator frame 51 through wire rope 52 and reciprocates, manipulator frame 51 slides from top to bottom in lift leading truck 4 through movable pulley 514, snatch the material through hoist 6, prescribe a limit to manipulator frame 51's stroke through two limit switch 54, in order to avoid lift mechanism 5 the in-process that appears wire rope 52 slippage or dash the condition of top, the leading-in hoist controller of monitoring information that limit switch 54 gathered, realize the safety monitoring function.
The above embodiments are only specific examples of the present invention, and the protection scope of the present invention includes but is not limited to the product forms and styles of the above embodiments, and any suitable changes or modifications made by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims (7)

1. The utility model provides a single beam bridge crane transport manipulator which characterized in that: the hoisting device comprises a main beam (1), a sliding mechanism (2), a hoisting system (3), a lifting guide frame (4), a lifting mechanism (5) and a lifting appliance (6), wherein the sliding mechanism (2) is sleeved on the main beam (1), and the sliding mechanism (2) is connected with the main beam (1) in a sliding manner; the hoisting system (3) is arranged at the bottom of the sliding mechanism (2) through a bolt; the lifting guide frames (4) are arranged on two sides of the hoisting system (3), and the tops of the lifting guide frames (4) are fixed at the bottom of the sliding mechanism (2); the lifting mechanism (5) is arranged in the lifting guide frame (4) and is in sliding connection with the lifting guide frame (4), and the lifting mechanism (5) is in transmission connection with the hoisting system (3) through a steel wire rope (52); the lifting appliance (6) is fixed at the lower end of the lifting mechanism (5) through a bolt.
2. The single beam bridge crane handling robot of claim 1, wherein: the sliding mechanisms (2) are arranged on two sides of the electric hoist trolley and synchronously run with the electric hoist trolley.
3. The single beam bridge crane handling robot of claim 2, wherein: the sliding mechanism (2) comprises a U-shaped guide frame (21), a connecting plate (22), upper end pulleys (23) and side pulleys (24), wherein the top end of the inner side of the U-shaped guide frame (21) is provided with the two upper end pulleys (23) through bolts, and the two sides of the inner part of the U-shaped guide frame (21) are provided with the side pulleys (24) through bolts; and a connecting plate (22) is fixed at the bottom of the U-shaped guide frame (21).
4. The single beam bridge crane handling robot of claim 2, wherein: elevating system (5) include manipulator frame (51), wire rope (52), limiting plate (53) and limit switch (54), manipulator frame (51) both sides all the joint in lift leading truck (4).
5. The single beam bridge crane handling robot of claim 4, wherein: limiting plates (53) are arranged at the upper end and the lower end of one side of the lifting guide frame (4); the limiting plate (53) is fixed with a limiting switch (54) through threads.
6. The single beam bridge crane handling robot of claim 5, wherein: the limit switch (54) is connected with the crane controller through a lead.
7. The single beam bridge crane handling robot of claim 4, wherein: the manipulator frame (51) comprises a frame body (511), a fixed frame (512), a movable pulley (513) and a sliding wheel (514), wherein the sliding wheel (514) is arranged at both ends of the frame body (511), and the sliding wheel (514) slides in the lifting guide frame (4); the fixed frame (512) is welded at the top of the frame body (511), and a movable pulley (513) is fixed in the fixed frame (512) through a rotating shaft; the movable pulley (513) is in transmission connection with the hoisting system (3) through a steel wire rope (52).
CN202010569711.6A 2020-06-20 2020-06-20 Single-beam bridge crane carrying manipulator Pending CN111747301A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010569711.6A CN111747301A (en) 2020-06-20 2020-06-20 Single-beam bridge crane carrying manipulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010569711.6A CN111747301A (en) 2020-06-20 2020-06-20 Single-beam bridge crane carrying manipulator

Publications (1)

Publication Number Publication Date
CN111747301A true CN111747301A (en) 2020-10-09

Family

ID=72675641

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010569711.6A Pending CN111747301A (en) 2020-06-20 2020-06-20 Single-beam bridge crane carrying manipulator

Country Status (1)

Country Link
CN (1) CN111747301A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115535849A (en) * 2022-10-27 2022-12-30 山东恒安泰重型机械有限公司 Electric single-beam crane for annular track

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6040304A (en) * 1983-08-16 1985-03-02 Daifuku Co Ltd Housing system
CN203529742U (en) * 2013-11-11 2014-04-09 河南省新乡市矿山起重机有限公司 Accurate positioning crane
JP2015044655A (en) * 2013-08-28 2015-03-12 有限会社 出川工作所 Pipe rail traveller and crane and conveyor using it
JP2015086025A (en) * 2013-10-29 2015-05-07 大成建設株式会社 Method for transportation of lifting material in lifting cradle and vertical shaft
CN105947907A (en) * 2016-07-19 2016-09-21 河南省重业起重机有限公司 Hard-arm crane
CN209193401U (en) * 2018-10-20 2019-08-02 河南省发达起重机有限公司 A kind of mono beam crane in bridge type for tubing progress handling
CN111017734A (en) * 2019-12-04 2020-04-17 安徽华宏机械设备有限公司 Running mechanism of monorail hoisting and transporting equipment
CN210366689U (en) * 2019-08-11 2020-04-21 辽宁融财机械制造有限公司 Single-beam crane

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6040304A (en) * 1983-08-16 1985-03-02 Daifuku Co Ltd Housing system
JP2015044655A (en) * 2013-08-28 2015-03-12 有限会社 出川工作所 Pipe rail traveller and crane and conveyor using it
JP2015086025A (en) * 2013-10-29 2015-05-07 大成建設株式会社 Method for transportation of lifting material in lifting cradle and vertical shaft
CN203529742U (en) * 2013-11-11 2014-04-09 河南省新乡市矿山起重机有限公司 Accurate positioning crane
CN105947907A (en) * 2016-07-19 2016-09-21 河南省重业起重机有限公司 Hard-arm crane
CN209193401U (en) * 2018-10-20 2019-08-02 河南省发达起重机有限公司 A kind of mono beam crane in bridge type for tubing progress handling
CN210366689U (en) * 2019-08-11 2020-04-21 辽宁融财机械制造有限公司 Single-beam crane
CN111017734A (en) * 2019-12-04 2020-04-17 安徽华宏机械设备有限公司 Running mechanism of monorail hoisting and transporting equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115535849A (en) * 2022-10-27 2022-12-30 山东恒安泰重型机械有限公司 Electric single-beam crane for annular track
CN115535849B (en) * 2022-10-27 2023-09-26 山东恒安泰重型机械有限公司 Electric single-beam crane for circular track

Similar Documents

Publication Publication Date Title
CN102259761B (en) Car roof gripping and conveying device
CN102583045A (en) Sarong transportation equipment
CN210313155U (en) Anti-moving conveying device for crane
CN203006738U (en) Section bar lifting tool
CN111747301A (en) Single-beam bridge crane carrying manipulator
CN113666239A (en) Electromagnetic rotary lifting appliance
CN212799333U (en) Rigid anti-swing clamp type hoisting trolley
CN116553337A (en) Reciprocating elevator
CN112811049A (en) A full-automatic tongs of robot for plug of winding up roller dabber
CN215945761U (en) Suspension conveying system
CN215479253U (en) Crane intelligent grab bucket lifting trolley
CN212127274U (en) All-round promotion censorship device that snatchs of many specifications
CN108657956A (en) The synchronisation control means of the special double-hung driving of H profile steel reconditioning
CN109969940B (en) Special crane with fully-removable driving device
CN212639806U (en) Hoisting elevator
CN210176031U (en) Ceramic tile stacker
CN112693803A (en) Have raising and lowering functions transmission device
CN112083681A (en) Overhead traveling crane integrated control system
CN219791738U (en) Ratchet stacker crane
CN213828966U (en) Four-degree-of-freedom pneumatic manipulator
CN114104951B (en) Novel multifunctional special lifting appliance for electrolytic nickel bag
CN219136118U (en) Feeding traveling crane main hook with limiting function
CN219860470U (en) Limiting mechanism for material hoisting rope in overhaul hanging basket
CN210109621U (en) Overhead traveling crane integrated control system
CN221854014U (en) Vehicle transfer gantry crane

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20201009

RJ01 Rejection of invention patent application after publication