CN110803650A - Jacking transportation trolley - Google Patents
Jacking transportation trolley Download PDFInfo
- Publication number
- CN110803650A CN110803650A CN201910922864.1A CN201910922864A CN110803650A CN 110803650 A CN110803650 A CN 110803650A CN 201910922864 A CN201910922864 A CN 201910922864A CN 110803650 A CN110803650 A CN 110803650A
- Authority
- CN
- China
- Prior art keywords
- jacking
- travelling
- trolley
- running
- transportation trolley
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
- B66F7/0666—Multiple scissor linkages vertically arranged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0625—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement with wheels for moving around the floor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Handcart (AREA)
Abstract
The application provides a jacking travelling bogie belongs to metallurgical machinery technical field. Jacking travelling bogie includes: the running mechanism is used for running the jacking transportation trolley; the jacking mechanism is arranged on the running mechanism; the fixed platform is arranged on the jacking mechanism; and the power system provides power for the jacking transportation trolley. The running mechanism comprises a longitudinal running state and a transverse running state; when the vehicle runs longitudinally, the lifting device is in a contracted state, and the longitudinal travelling wheels are used for contacting with the ground; and in the transverse driving state, the lifting device is in an extension state, and the transverse traveling wheels are used for contacting with the ground. And the vehicle body does not need to be rotated, so that the operation and transportation space can be effectively saved. The technical problem that hoisting devices or equipment cannot be hoisted is effectively solved through the characteristic that the fixed platform supports the furnace bottom, and the characteristic of transportation stability is guaranteed. And the trolley has stronger universality, safety and reliability.
Description
Technical Field
The invention belongs to the technical field of metallurgical machinery, and particularly relates to a jacking transport trolley capable of walking in two directions.
Background
In the hot rolling project, a heating furnace is used, the heating furnace is in a steel structure form, and most of steel structures at the bottom are assembled into an integral steel structure and then installed. When the bottom steel structure of the heating furnace is installed, the steel structure is mostly installed by adopting a traditional manual method, the steel structure is easily damaged, and the personal safety of constructors is easily threatened.
Disclosure of Invention
In view of the above, the invention aims to provide a jacking transportation trolley to solve the problems of long hoisting route, inconvenience in operation and the like in the existing process that the furnace bottom needs to be transported and installed.
The application provides a jacking travelling bogie, include:
the running mechanism is used for running the jacking transportation trolley;
the jacking mechanism is arranged on the running mechanism;
the fixed platform is arranged on the jacking mechanism;
and the power system provides power for the jacking transportation trolley.
Preferably, the running mechanism includes:
a chassis;
the longitudinal travelling wheels are rotatably connected to the chassis and used for longitudinal travelling of the trolley;
the lifting device is connected to the lower part of the chassis;
and the transverse travelling wheels are rotatably connected to the lifting device and used for transverse travelling of the trolley.
Preferably, the running gear comprises a longitudinal running state and a transverse running state;
when the vehicle runs longitudinally, the lifting device is in a contracted state, and the longitudinal travelling wheels are used for contacting with the ground;
and in the transverse driving state, the lifting device is in an extension state, and the transverse traveling wheels are used for contacting with the ground.
Preferably, the running mechanism further comprises a transmission device, and the transmission device is used for driving each wheel and the power system respectively.
Preferably, the jacking mechanism comprises:
the two ends of the hydraulic cylinder are respectively connected with the running mechanism and the fixed platform;
the folding structure comprises a plurality of rod pieces which are in cross folding connection, and the crossing parts of the rod pieces are hinged to enable the corresponding deformation of the folding structure to be extended or shortened when the hydraulic cylinder extends or retracts, so that the hydraulic cylinder is prevented from being deviated from the fixed platform when working.
Preferably, the power system comprises a motor and a hydraulic pump, the motor is used for driving the running mechanism through a transmission device, and the hydraulic pump is communicated with each hydraulic cylinder and the lifting device through an air pipe.
Preferably, two ends of the hydraulic cylinder are respectively hinged to the running mechanism and the fixed platform, and the folding structure is hinged to the running mechanism and the fixed platform.
Preferably, the fixed platform comprises:
a platform body;
the guardrail is connected to the platform body and used for preventing the furnace bottom from sliding off;
the baffle is connected to the platform body and extends towards the running mechanism, and the baffle is used for preventing the jacking mechanism from being damaged by position deviation in the lifting process.
Preferably, each of the wheels is four;
the number of the lifting devices is at least three.
Preferably, the jacking transportation trolley further comprises a control terminal, and the control terminal is electrically connected with the running mechanism and the jacking mechanism and used for controlling the working state of the jacking transportation trolley. The application has the following beneficial effects:
the application provides a jacking travelling bogie has the function of two-way traveling, and need not rotate the automobile body, can effectual sparingly operate transportation space. The technical problem that hoisting devices or equipment cannot be hoisted is effectively solved through the characteristic that the fixed platform supports the furnace bottom, and the characteristic of transportation stability is guaranteed. And the trolley has stronger universality, safety and reliability.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.
FIG. 1 is a schematic three-dimensional structure diagram of a jacking transportation trolley provided according to an embodiment of the invention;
FIG. 2 is a side view of a jacking transport trolley provided in accordance with an embodiment of the present invention;
fig. 3 is a front view of a jacking transportation trolley provided according to an embodiment of the present invention.
The device comprises 1-longitudinal travelling wheels, 2-transverse travelling wheels, 3-lifting devices, 4-chassis, 5-folding structures, 6-fixed platforms, 7-baffles, 8-hydraulic cylinders and 9-guardrails.
Detailed Description
Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.
As shown in fig. 1, 2 and 3, the present application provides a jacking transportation trolley, including: the running mechanism is used for running the jacking transportation trolley; the jacking mechanism is arranged on the running mechanism and used for lifting the jacking transport trolley; the fixed platform 6 is arranged on the jacking mechanism and used for jacking up the furnace bottom of the heating furnace; and the power system provides power for the jacking transportation trolley.
In this embodiment, the running mechanism includes: a chassis 4; the longitudinal travelling wheel 1 is rotatably connected to the chassis 4 and is used for longitudinal travelling of the trolley; the lifting device 3 is connected to the lower part of the chassis 4; and the transverse travelling wheel 2 is rotatably connected to the lifting device 3 and is used for transverse travelling of the trolley.
In this embodiment, it is understood that the lifting device 3 may be hydraulically driven or electrically driven.
In the present embodiment, the running mechanism includes a longitudinal running state and a lateral running state (the lateral direction in the present embodiment is perpendicular to the longitudinal direction). The longitudinal running of the whole trolley is realized through the longitudinal running wheels 1 at the lower end of the chassis 4, and the transverse running of the whole trolley is realized through the transverse running wheels 2 at the lower end of the chassis. Therefore, the driving direction of the trolley is changed under the condition that the body of the whole trolley is not rotated. The driving state of the vehicle will be described in detail below.
In a longitudinal driving state, the lifting device 3 is in a contraction state, and the longitudinal traveling wheel 1 is used for contacting with the ground; meanwhile, the transverse traveling wheel 2 has a certain distance from the ground. The longitudinal travelling wheels 1 provide power through the power system to drive the whole trolley to travel along the longitudinal direction.
In the lateral driving state, the lifting device 3 is in an extended state, and the lateral road wheels 2 are used for contacting with the ground. The lifting device 3 is a small hydraulic cylinder, so that the distance between the whole transverse travelling wheel 2 and the chassis 4 is increased, and the whole trolley is lifted upwards. At this time, the transverse road wheel 2 is in contact with the ground, and the longitudinal road wheel 1 is spaced from the ground by a certain distance. So as to ensure that the transverse travelling wheels 2 drive the whole trolley to travel in the transverse direction.
In this embodiment, the running mechanism further comprises a transmission device, and the transmission device is used for driving each wheel and the power system respectively. As will be appreciated by those skilled in the art, the transmission means is a geared connection and/or a chain belt connection, which functions as a transmission and is described in detail in this embodiment.
As shown in fig. 2 and 3, in the present embodiment, the jacking mechanism includes: the two ends of the hydraulic cylinder 8 are respectively connected with the running mechanism and the fixed platform 6; the folding structure 5 comprises a plurality of rod pieces which are connected in a cross folding mode, and the crossing parts of the rod pieces are hinged, so that when the hydraulic cylinder 8 extends or retracts, the corresponding deformation of the folding structure 5 extends or shortens, and the hydraulic cylinder 8 is used for preventing the fixed platform 6 from being deviated when working. It will be appreciated that the fixed platform 6 of the folding structure 5, which allows the trolley to be raised and lowered, ensures that the trolley does not swing to a large extent in the left-right direction (as shown in fig. 2) during the raising and lowering of said hydraulic cylinder 8.
In an alternative embodiment of the present application, the folding structure may also be at least three telescopic sleeves, such that the three telescopic sleeves are distributed in a triangular shape between the fixed platform 6 and the chassis 4, and the three telescopic sleeves are arranged in parallel with each other. Therefore, when the hydraulic cylinder 8 works, the three telescopic sleeves stretch out and draw back simultaneously.
In this embodiment, two ends of the hydraulic cylinder 8 are respectively hinged to the chassis 4 of the traveling mechanism and the fixed platform 6, and the folding structure 5 is hinged to the chassis 4 of the traveling mechanism and the fixed platform 6.
In this embodiment, the fixed platform 6 includes: a platform body; the guardrail 9 is connected to the platform body and used for preventing the furnace bottom from sliding off; the baffle 7 is connected to the platform body and extends towards the running mechanism, and the baffle 7 is used for preventing the climbing mechanism from being damaged by position deviation in the lifting process.
As shown in fig. 1 to 3, above the body of the fixed platform 6 is a furnace bottom to be transported, which is a steel bar frame structure. The loaded furnace bottom is fixed and limited by the guardrail 9 arranged above the body of the fixed platform 6, and it can be understood that the furnace bottom can also be bound and fixed on the fixed platform 6 by adopting a steel bar chain.
In this embodiment, the power system includes a motor for driving the running mechanism via a transmission, and a hydraulic pump connected to each of the hydraulic cylinders 8 and the lifting device 3 via an air pipe. The hydraulic pump may be located outside the trolley and connected to the trolley by an air pipe, it being understood that the air pipe is of sufficient length and does not interfere with the trolley in position. The power of the motor can also be transmitted through an external wire, and the position interference of the trolley is not formed.
In this embodiment, each of the wheels is four, which is beneficial to the running stability of the trolley. The number of the lifting devices 3 is at least three, the three lifting devices 3 can form a stable plane, and the difficulty caused by the simultaneous lifting and lowering of the trolley chassis 4 due to the plurality of the lifting devices 3 is high.
In this embodiment, the jacking transport vehicle further comprises a control terminal, wherein the control terminal is electrically connected with the running mechanism and the jacking mechanism and used for controlling the working state of the jacking transport trolley. It will be appreciated that the operator may also control the driving conditions of the vehicle by remote control. And an automatic program can be set on the control terminal and used for automatically and programmatically controlling the running state of the trolley.
The practical working principle of the trolley provided by the application is as follows: firstly, placing a trolley on one side of a binding wire, wherein the longitudinal running direction of the trolley is parallel to the central line direction of the binding wire; the furnace bottom is arranged on a fixed platform 6 of the trolley and fixed, the trolley is driven to move to the installation position, the fixed platform 6 and the furnace bottom thereon are jacked to the installation position through a hydraulic cylinder communicated with the trolley through an external hydraulic pump or a hydraulic station, and the furnace bottom is installed. And finally, retracting the hydraulic cylinder, withdrawing the trolley, or repeating the actions of the trolley and continuously transporting the furnace bottom.
The application provides a jacking travelling bogie has the function of two-way traveling, and need not rotate the automobile body, can effectual sparingly operate transportation space. The technical problem that hoisting devices or equipment cannot be hoisted is effectively solved through the characteristic that the fixed platform 6 supports the furnace bottom, and the characteristic of transportation stability is guaranteed. And the trolley has stronger universality, safety and reliability.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (10)
1. A jacking travelling bogie, comprising:
the running mechanism is used for running the jacking transportation trolley;
the jacking mechanism is arranged on the running mechanism;
the fixed platform is arranged on the jacking mechanism;
and the power system provides power for the jacking transportation trolley.
2. Jacking transportation trolley according to claim 1, wherein the travelling mechanism comprises:
a chassis;
the longitudinal travelling wheels are rotatably connected to the chassis and used for longitudinal travelling of the trolley;
the lifting device is connected to the lower part of the chassis;
and the transverse travelling wheels are rotatably connected to the lifting device and used for transverse travelling of the trolley.
3. Jacking transportation trolley according to claim 2, wherein the travelling mechanism comprises a longitudinal travelling state and a transverse travelling state;
when the vehicle runs longitudinally, the lifting device is in a contracted state, and the longitudinal travelling wheels are used for contacting with the ground;
and in the transverse driving state, the lifting device is in an extension state, and the transverse traveling wheels are used for contacting with the ground.
4. The jacking transportation trolley of claim 3, wherein the travelling mechanism further comprises a transmission for each respective row of wheels and the power system.
5. The jacking transportation trolley of claim 4, wherein the jacking mechanism comprises:
the two ends of the hydraulic cylinder are respectively connected with the running mechanism and the fixed platform;
the folding structure comprises a plurality of rod pieces which are in cross folding connection, and the crossing parts of the rod pieces are hinged to enable the corresponding deformation of the folding structure to be extended or shortened when the hydraulic cylinder extends or retracts, so that the hydraulic cylinder is prevented from being deviated from the fixed platform when working.
6. The jacking transportation trolley of claim 5, wherein the power system comprises a motor and a hydraulic pump, the motor is used for driving the travelling mechanism through a transmission device, and the hydraulic pump is communicated with each hydraulic cylinder and the lifting device through an air pipe.
7. Jacking transportation trolley according to claim 6, wherein both ends of said hydraulic cylinder are hingedly connected to said travelling mechanism and said fixed platform, respectively, and said foldable structure is hingedly connected to said travelling mechanism and said fixed platform.
8. Jacking transportation trolley according to claim 1, wherein the fixed platform comprises:
a platform body;
the guardrail is connected to the platform body and used for preventing the furnace bottom from sliding off;
the baffle is connected to the platform body and extends towards the running mechanism, and the baffle is used for preventing the jacking mechanism from being damaged by position deviation in the lifting process.
9. The jacking transportation trolley of claim 9, wherein each of the wheels is four;
the number of the lifting devices is at least three.
10. The jacking transportation trolley according to any one of claims 1 to 9, further comprising a control terminal, wherein the control terminal is electrically connected to the travelling mechanism and the jacking mechanism, and is used for controlling the working state of the jacking transportation trolley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910922864.1A CN110803650A (en) | 2019-09-27 | 2019-09-27 | Jacking transportation trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910922864.1A CN110803650A (en) | 2019-09-27 | 2019-09-27 | Jacking transportation trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110803650A true CN110803650A (en) | 2020-02-18 |
Family
ID=69487836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910922864.1A Pending CN110803650A (en) | 2019-09-27 | 2019-09-27 | Jacking transportation trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110803650A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113335869A (en) * | 2021-07-27 | 2021-09-03 | 中铁物总资源科技有限公司 | Method for disassembling railway waste trucks |
| CN113895881A (en) * | 2021-09-26 | 2022-01-07 | 上海机器人产业技术研究院有限公司 | Wind-powered electricity generation blade web transfer device |
| CN114056912A (en) * | 2021-11-16 | 2022-02-18 | 江苏宝京汽车部件有限公司 | Pushing square push rod stable supporting tool and using method thereof |
| CN114614182A (en) * | 2022-02-09 | 2022-06-10 | 江苏英拓动力科技有限公司 | New energy automobile power battery self-adaptation reprint device |
| CN115817326A (en) * | 2022-12-22 | 2023-03-21 | 江苏华益中亨金属科技发展有限公司 | Intelligent reversing wheel lifting mechanism for four-direction vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4326786A1 (en) * | 1993-08-10 | 1995-02-16 | Ursula Liqui | Tiltable vehicle lifter |
| CN102673678A (en) * | 2012-05-24 | 2012-09-19 | 山东重联电动车辆制造有限公司 | All-directional three-dimensional intelligent lift truck |
| CN103558853A (en) * | 2013-10-31 | 2014-02-05 | 国网安徽省电力公司淮南供电公司 | Control system capable of automatically lifting or lowering AGV under free path |
-
2019
- 2019-09-27 CN CN201910922864.1A patent/CN110803650A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4326786A1 (en) * | 1993-08-10 | 1995-02-16 | Ursula Liqui | Tiltable vehicle lifter |
| CN102673678A (en) * | 2012-05-24 | 2012-09-19 | 山东重联电动车辆制造有限公司 | All-directional three-dimensional intelligent lift truck |
| CN103558853A (en) * | 2013-10-31 | 2014-02-05 | 国网安徽省电力公司淮南供电公司 | Control system capable of automatically lifting or lowering AGV under free path |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113335869A (en) * | 2021-07-27 | 2021-09-03 | 中铁物总资源科技有限公司 | Method for disassembling railway waste trucks |
| CN113895881A (en) * | 2021-09-26 | 2022-01-07 | 上海机器人产业技术研究院有限公司 | Wind-powered electricity generation blade web transfer device |
| CN113895881B (en) * | 2021-09-26 | 2024-04-26 | 上海机器人产业技术研究院有限公司 | Wind-powered electricity generation blade web transfer device |
| CN114056912A (en) * | 2021-11-16 | 2022-02-18 | 江苏宝京汽车部件有限公司 | Pushing square push rod stable supporting tool and using method thereof |
| CN114614182A (en) * | 2022-02-09 | 2022-06-10 | 江苏英拓动力科技有限公司 | New energy automobile power battery self-adaptation reprint device |
| CN114614182B (en) * | 2022-02-09 | 2023-12-19 | 江苏英拓动力科技有限公司 | New energy automobile power battery self-adaptation transshipment device |
| CN115817326A (en) * | 2022-12-22 | 2023-03-21 | 江苏华益中亨金属科技发展有限公司 | Intelligent reversing wheel lifting mechanism for four-direction vehicle |
| CN115817326B (en) * | 2022-12-22 | 2024-01-12 | 江苏华益中亨金属科技发展有限公司 | Intelligent four-way vehicle reversing wheel lifting mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110803650A (en) | Jacking transportation trolley | |
| CA2309295C (en) | An apparatus for lifting, handling and transporting a container | |
| US6071062A (en) | Apparatus for lifting, handling, and transporting a container | |
| US3795336A (en) | Apparatus for transporting building modules | |
| CN108909859B (en) | Caterpillar pump truck | |
| US3834111A (en) | Method for transporting building modules | |
| CN208036471U (en) | A kind of obstacle negotiation trucks | |
| US3967744A (en) | Extensible reach load lifting mechanism | |
| CN108910753B (en) | Doublestage over-and-under type track pump truck | |
| CN105751954A (en) | Flat-plate wrecker | |
| EA014149B1 (en) | Pipe-laying machine | |
| CN104071228B (en) | Derrick transport trailer | |
| CN218988728U (en) | Tunnel maintenance operation car group | |
| CN106219449A (en) | The Portable type full-automatic mover transported for kart and remove obstacles | |
| US4773332A (en) | Mobile apparatus for loading, transporting and laying an assembled track section | |
| CN113370727A (en) | New energy double-walking system rail transport equipment and use method | |
| CN205661356U (en) | Plate obstacles removing car | |
| CN214733946U (en) | Large-tonnage lifts transfer device and system | |
| JP3238799B2 (en) | Switch replacement work system | |
| CN104746432B (en) | The feasible bridge guidance tape in plate-beam transports installs car | |
| CN112938773A (en) | Installation method and installation system of underground engineering segment and installation crane | |
| CN109384162B (en) | Gantry type component transport vehicle and component transport method | |
| CN107604776B (en) | Convenient beam transverse crane for railway track construction | |
| CN106744504B (en) | Template upset mount and template transfer car (buggy) for tunnel | |
| CN214883046U (en) | Rush-repair beam erecting equipment |
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: 20200218 |
|
| RJ01 | Rejection of invention patent application after publication |