CN111066392A - Land leveling device and land leveling method thereof - Google Patents

Land leveling device and land leveling method thereof Download PDF

Info

Publication number
CN111066392A
CN111066392A CN201911385108.6A CN201911385108A CN111066392A CN 111066392 A CN111066392 A CN 111066392A CN 201911385108 A CN201911385108 A CN 201911385108A CN 111066392 A CN111066392 A CN 111066392A
Authority
CN
China
Prior art keywords
mounting
soil
frame
shaft
control shaft
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
CN201911385108.6A
Other languages
Chinese (zh)
Inventor
马军成
樊鹏
赵岩
曹帅先
田燕
杨建波
杨建锋
武洪涛
杨青伟
宋艳华
王自威
刘彩铃
杨喜会
王磊
罗宁
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.)
Henan Kefa Institute Of Geography Co Ltd
Original Assignee
Henan Kefa Institute Of Geography 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 Henan Kefa Institute Of Geography Co Ltd filed Critical Henan Kefa Institute Of Geography Co Ltd
Priority to CN201911385108.6A priority Critical patent/CN111066392A/en
Publication of CN111066392A publication Critical patent/CN111066392A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B49/00Combined machines
    • A01B49/02Combined machines with two or more soil-working tools of different kind
    • A01B49/022Combined machines with two or more soil-working tools of different kind at least one tool being actively driven
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B79/00Methods for working soil

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Soil Working Implements (AREA)

Abstract

The invention discloses a soil leveling device and a method for leveling soil by using the same, and the soil leveling device comprises an installation frame, a connecting frame, a motor and a fixing frame, wherein the connecting frame is fixedly welded at the left end of the installation frame, the fixing frame is arranged at the right side of a protective cover, the motor is arranged on the installation frame at the rear side of the fixing frame, a control shaft penetrates through the upper part of the fixing frame, a handle is fixedly welded at the top end of the control shaft, an installation block is arranged at the lower end of the control shaft, a poke rod is fixedly welded on the lower surface of the installation block, a pressure plate is rotatably arranged on the right surface of the installation frame, a connecting piece is arranged on the upper surface of the pressure plate, the upper end of the connecting piece is rotatably connected with an adjusting. This device of land leveling device level soil conveniently clears up debris such as winding weeds on the poker rod, and conveniently controls the operation dynamics of flattening board to soil, has guaranteed the level and smooth effect to soil.

Description

Land leveling device and land leveling method thereof
Technical Field
The invention relates to the technical field of agriculture, in particular to a land leveling device and a land leveling method thereof.
Background
In the agricultural production process, the requirements of planting different crops on the land are different, for example, when wheat is sowed, operations such as land turning and leveling need to be carried out so as to be beneficial to the later growth of the wheat, so that a land leveling device is used, the land leveling device in the land leveling device is a main component, and the land leveling effect is directly influenced;
the currently used land leveling device for leveling the land is inconvenient to clean up sundries such as weeds wound on the poke rod, and is inconvenient to control the operation strength of the pressing plate on the soil, so that the soil leveling effect is influenced.
Disclosure of Invention
The invention aims to provide a soil leveling device and a method for leveling soil by using the same, and aims to solve the problems that the currently used soil leveling device in the background art cannot conveniently clean sundries such as weeds wound on a poke rod, cannot conveniently control the operation strength of a flattening plate on the soil, and cannot influence the soil leveling effect.
In order to achieve the purpose, the invention provides the following technical scheme: a land leveling device and a land leveling method thereof comprise a mounting frame, a connecting frame, a motor and a fixing frame, wherein the connecting frame is welded and fixed at the left end of the mounting frame, and the middle part of the mounting rack is rotatably provided with a mounting shaft, the outer surface of the mounting shaft is welded and fixed with a crushing knife, a protective cover is covered above the mounting shaft, a fixing frame is arranged at the right side of the protective cover, a motor arranged on the mounting frame is arranged at the rear side of the fixing frame, a control shaft penetrates through the upper part of the fixing frame, a handle is welded and fixed at the top end of the control shaft, an installation block is installed at the lower end of the control shaft, a poke rod is welded and fixed on the lower surface of the installation block, a pressure flat plate is rotatably installed on the right side surface of the installation frame, and the upper surface of the pressing plate is provided with a connecting piece, the upper end of the connecting piece is rotatably connected with an adjusting shaft through a bearing, and a sleeve is arranged above the pressing plate.
Preferably, crushing sword is at installation epaxial evenly distributed, and the installation axle is connected with the motor through the belt to the direction of rotation of installation axle is anticlockwise.
Preferably, the protection casing is arc structure, and the protection casing passes through bolt and mounting bracket fixed connection.
Preferably, the poke rod is evenly distributed on the installation block, 2 poke rod monomers adjacent to each other on the left and right are arranged in a staggered mode, and the lower end of the poke rod extends to the lower portion of the installation frame.
Preferably, the connection mode of control shaft and mount is threaded connection, and the lower extreme of control shaft rotates with the installation piece to the installation piece is connected with the mounting bracket block.
Preferably, the connecting piece includes connecting pipe, cavity, spring and connecting rod, and the lower extreme and the dull and stereotyped rotation of connecting pipe are connected, and the upper end of connecting pipe leaves in advance to have the cavity, and the internally mounted of cavity has the spring, and the connecting rod is installed to the upper end of spring.
Preferably, the regulating shaft is rotatably connected with the connecting rod through a bearing, the vertical section of the connecting rod is of an inverted T-shaped structure, and the lower end of the connecting rod is connected with the cavity in a clamping manner.
Preferably, the left end of the sleeve is rotatably connected with the right side surface of the mounting frame, the right end of the sleeve is nested outside the left end of the adjusting shaft, and the adjusting shaft is connected with the sleeve in a threaded manner.
Preferably, the method for leveling the ground comprises the following steps:
firstly, the device is installed on a mobile device through a connecting frame, and then an adjusting shaft which is connected with a sleeve 16 through threads on a connecting rod is rotated according to the operation depth;
secondly, adjusting the inclination angle of the pressing plate, driving the mounting shaft to rotate by the belt through the operation of the motor, crushing the soil blocks by the crushing cutter, and stirring the crushed soil by the stirring rod;
thirdly, further leveling the soil through a pressing plate, and enabling the connecting pipe and the spring to form a telescopic structure under the action of the spring;
fourthly, the control shaft connected with the thread of the fixing frame is rotated through the handle, the mounting block is lifted, so that the poke rod rises along with the control shaft, and sundries such as the weeds wound on the poke rod are cleaned under the action of the mounting frame.
Compared with the prior art, the invention has the beneficial effects that: the device for leveling the soil is convenient to clean sundries such as weeds wound on the poke rod, and convenient to control the operation force of the press plate on the soil, so that the soil leveling effect is ensured;
1. through the threaded connection between the control shaft and the fixing frame, the mounting block is convenient to lift, and through the action of the mounting frame, sundries wound on the poke rod can be effectively cleaned, so that the operation is convenient;
2. the inclination of the pressing plate is convenient to adjust through the threaded connection between the adjusting shaft and the sleeve, so that the adjustment of the working strength of the pressing plate on the soil is completed, and the effect of the pressing plate on the soil is ensured under the action of the spring;
3. through sheltering from of regulating spindle, the phenomenon that splashes appears in the kibbling soil of sword can effectually be avoided smashing to the problem of having avoided causing the injury to near personnel.
4. General flattening soil uses traditional arable land instrument in agricultural application and needs 3 times just can be the soil flattening, uses this device 1 to just can be with the soil flattening throughout, and the degree of depth of ploughing also can be selected according to the length that smashes the sword difference, and the rethread is pressed the flat board and is carried out the flattening processing to the soil suitably for the soil is lax, better fertilizer conservation soil moisture conservation.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic view of the bottom view of the connection between the mounting block and the poke rod of the present invention;
FIG. 3 is a side view of the connection between the mounting shaft and the crushing blade according to the present invention;
FIG. 4 is a schematic top view of the connection between the fixing frame and the mounting frame according to the present invention;
FIG. 5 is a schematic view of the sectional elevation view of the connection between the adjusting shaft and the connecting member according to the present invention.
In the figure: 1. a mounting frame; 2. a connecting frame; 3. installing a shaft; 4. a crushing knife; 5. a protective cover; 6. a motor; 7. a belt; 8. mounting blocks; 9. a poke rod; 10. a fixed mount; 11. a control shaft; 12. a handle; 13. pressing a flat plate; 14. a connecting member; 1401. a connecting pipe; 1402. a cavity; 1403. a spring; 1404. a connecting rod; 15. an adjustment shaft; 16. a sleeve.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-5, the present invention provides a technical solution: a land leveling device and a land leveling method thereof comprise a mounting frame 1, a connecting frame 2, a mounting shaft 3, a crushing cutter 4, a protective cover 5, a motor 6, a belt 7, a mounting block 8, a poke rod 9, a fixing frame 10, a control shaft 11, a handle 12, a flattening plate 13, a connecting piece 14, a connecting pipe 1401, a cavity 1402, a spring 1403, a connecting rod 1404, an adjusting shaft 15 and a sleeve 16, wherein the connecting frame 2 is fixedly welded at the left end of the mounting frame 1, the mounting shaft 3 is rotatably mounted in the middle of the mounting frame 1, the crushing cutter 4 is fixedly welded on the outer surface of the mounting shaft 3, the protective cover 5 covers the mounting shaft 3, the fixing frame 10 is arranged on the right side of the protective cover 5, the motor 6 mounted on the mounting frame 1 is arranged on the rear side of the fixing frame 10, the control shaft 11 penetrates through the upper part of the fixing frame 10, the handle 12 is fixedly welded on the top end, a poke rod 9 is fixedly welded on the lower surface of the mounting block 8, a pressure plate 13 is rotatably mounted on the right side surface of the mounting frame 1, a connecting piece 14 is arranged on the upper surface of the pressure plate 13, the connecting piece 14 comprises a connecting pipe 1401, a cavity 1402, a spring 1403 and a connecting rod 1404, the lower end of the connecting pipe 1401 is rotatably connected with the pressure plate 13, the cavity 1402 is reserved at the upper end of the connecting pipe 1401, the spring 1403 is mounted inside the cavity 1402, the connecting rod 1404 is mounted at the upper end of the spring 1403, the upper end of the connecting piece 14 is rotatably connected with an adjusting shaft 15 through a bearing, and a sleeve 16 is arranged above the;
as shown in fig. 1 and 3, the crushing knives 4 are uniformly distributed on the mounting shaft 3, the mounting shaft 3 is connected with the motor 6 through the belt 7, the rotation direction of the mounting shaft 3 is anticlockwise, so that the soil blocks are conveniently crushed, the protective cover 5 is of an arc structure, and the protective cover 5 is fixedly connected with the mounting frame 1 through bolts, so that the protective cover 5 is conveniently replaced;
as shown in fig. 1 and 2, the poke rods 9 are uniformly distributed on the mounting block 8, 2 poke rods 9 adjacent to each other on the left and right are arranged in a staggered manner, and the lower ends of the poke rods 9 extend to the lower part of the mounting frame 1, so that the soil operation effect is ensured, the control shaft 11 is in threaded connection with the fixing frame 10, the lower end of the control shaft 11 is in rotary connection with the mounting block 8, and the mounting block 8 is in clamping connection with the mounting frame 1, so that the mounting block 8 is convenient to lift;
adjusting shaft 15 passes through the bearing rotation with connecting rod 1404 and is connected as in fig. 1 and 5, and the vertical cross-section of connecting rod 1404 is "T" type structure, and the lower extreme and the cavity 1402 block of connecting rod 1404 are connected, the phenomenon that drops has appeared between connecting rod 1404 and the connecting pipe 1401 has been avoided, the left end of sleeve 16 rotates with the right side surface of mounting bracket 1 and is connected, and the right-hand member nestification of sleeve 16 is outside at the left end of adjusting shaft 15, and the connected mode of adjusting shaft 15 and sleeve 16 is threaded connection, has made things convenient for the slope to dull and stereotyped 13 to adjust.
The working principle is as follows: when the land leveling device is used for leveling the land, the device is firstly installed on a mobile device through a connecting frame 2, then an adjusting shaft 15 which is connected with a sleeve 16 through threads on a connecting rod 1404 is rotated according to the depth of operation, the inclination angle of a flattening plate 13 is adjusted, a belt 7 drives an installation shaft 3 to rotate through the operation of a motor 6, a crushing cutter 4 crushes soil blocks, meanwhile, a poking rod 9 pokes the crushed soil to uniformly separate the soil, then, the flattening plate 13 further levels the soil, a telescopic structure is formed by the connecting pipe 1401 and a spring 1403 through the action of the spring 1403, the leveling effect of pictures is ensured, after the use is finished, a control shaft 11 which is connected with a fixing frame 10 through threads is rotated through a handle 12, an installation block 8 is lifted, and the poking rod 9 rises along with the operation, through the effect of mounting bracket 1, can effectually clear up debris such as the winding weeds on poker rod 9, convenient to use, this is the use method of this device that the land was leveled to land leveling device.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (9)

1. The utility model provides a land leveling device, includes mounting bracket (1), link (2), motor (6) and mount (10), its characterized in that: the left end of the mounting rack (1) is fixedly welded with a connecting rack (2), the middle of the mounting rack (1) is rotatably provided with a mounting shaft (3), the outer surface of the mounting shaft (3) is fixedly welded with a crushing cutter (4), a protective cover (5) covers the mounting shaft (3), a fixing rack (10) is arranged on the right side of the protective cover (5), a motor (6) installed on the mounting rack (1) is arranged on the rear side of the fixing rack (10), a control shaft (11) penetrates through the upper side of the fixing rack (10), a handle (12) is fixedly welded on the top end of the control shaft (11), a mounting block (8) is installed at the lower end of the control shaft (11), a poking rod (9) is fixedly welded on the lower surface of the mounting block (8), a pressing plate (13) is rotatably installed on the right side surface of the mounting rack (1), and a connecting piece (14) is arranged on the upper surface of, the upper end of the connecting piece (14) is rotatably connected with an adjusting shaft (15) through a bearing, and a sleeve (16) is arranged above the pressing plate (13).
2. A land levelling apparatus as claimed in claim 1, wherein: crushing sword (4) evenly distributed on installation axle (3), and installation axle (3) are connected with motor (6) through belt (7) to the direction of rotation of installation axle (3) is anticlockwise.
3. A land levelling apparatus as claimed in claim 1, wherein: the protective cover (5) is of an arc-shaped structure, and the protective cover (5) is fixedly connected with the mounting frame (1) through bolts.
4. A land levelling apparatus as claimed in claim 1, wherein: the poke rods (9) are uniformly distributed on the installation block (8), 2 poke rod (9) monomers adjacent to each other are arranged in a staggered mode, and the lower ends of the poke rods (9) extend to the lower portion of the installation frame (1).
5. A land levelling apparatus as claimed in claim 1, wherein: the control shaft (11) is connected with the fixing frame (10) in a threaded mode, the lower end of the control shaft (11) is rotatably connected with the mounting block (8), and the mounting block (8) is connected with the mounting frame (1) in a clamping mode.
6. A land levelling apparatus as claimed in claim 1, wherein: the connecting piece (14) comprises a connecting pipe (1401), a cavity (1402), a spring (1403) and a connecting rod (1404), the lower end of the connecting pipe (1401) is rotatably connected with the pressing plate (13), the cavity (1402) is reserved at the upper end of the connecting pipe (1401), the spring (1403) is installed inside the cavity (1402), and the connecting rod (1404) is installed at the upper end of the spring (1403).
7. A land levelling apparatus as claimed in claim 6, wherein: the adjusting shaft (15) is rotatably connected with the connecting rod (1404) through a bearing, the vertical section of the connecting rod (1404) is of an inverted T-shaped structure, and the lower end of the connecting rod (1404) is connected with the cavity (1402) in a clamping mode.
8. A land levelling apparatus as claimed in claim 1, wherein: the left end of the sleeve (16) is rotatably connected with the right side surface of the mounting rack (1), the right end of the sleeve (16) is nested outside the left end of the adjusting shaft (15), and the adjusting shaft (15) is in threaded connection with the sleeve (16).
9. A soil conditioning device and a method of leveling the soil thereof according to claim 1 comprising the steps of:
firstly, the device is installed on a mobile device through a connecting frame (2), and then an adjusting shaft (15) which is connected with a sleeve (16) in a threaded manner on a connecting rod (1404) is rotated according to the depth of operation;
secondly, adjusting the inclination angle of the pressing plate (13), driving the mounting shaft (3) to rotate by the belt (7) through the operation of the motor (6), crushing the soil blocks by the crushing cutter (4), and stirring the crushed soil by the stirring rod (9);
thirdly, further leveling operation is carried out on the soil through a flattening plate (13), and the connecting pipe (1401) and the spring (1403) form a telescopic structure under the action of the spring (1403);
fourthly, the control shaft (11) which is in threaded connection with the fixed frame (10) is rotated through the handle (12), the mounting block (8) is lifted, so that the poke rod (9) rises along with the control shaft, and sundries such as weeds wound on the poke rod (9) are cleaned under the action of the mounting frame (1).
CN201911385108.6A 2019-12-28 2019-12-28 Land leveling device and land leveling method thereof Pending CN111066392A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911385108.6A CN111066392A (en) 2019-12-28 2019-12-28 Land leveling device and land leveling method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911385108.6A CN111066392A (en) 2019-12-28 2019-12-28 Land leveling device and land leveling method thereof

Publications (1)

Publication Number Publication Date
CN111066392A true CN111066392A (en) 2020-04-28

Family

ID=70319072

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911385108.6A Pending CN111066392A (en) 2019-12-28 2019-12-28 Land leveling device and land leveling method thereof

Country Status (1)

Country Link
CN (1) CN111066392A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4132026A1 (en) * 1991-09-26 1993-04-01 Franz Wieneke Mixing loose,chopped straw with soil - loosens soil by shares in preset layer thickness and carries out mechanical mixing
CN108093697A (en) * 2017-12-21 2018-06-01 吾家农场成都农业有限公司 A kind of compound farm flattening machine
CN207927170U (en) * 2018-01-18 2018-10-02 安徽有机良庄农业科技股份有限公司 A kind of vegetable plantation device integrating weeding arable land
CN108718542A (en) * 2018-05-03 2018-11-02 阜阳市卓创科技服务生产力促进中心 A kind of brag rake smooth for farm land
CN208908542U (en) * 2018-09-28 2019-05-31 师俊奇 A kind of agricultural farmland loosenning tiller
CN110178463A (en) * 2019-06-14 2019-08-30 广东园梦生态环境工程规划设计有限公司 A kind of flattening device for prepartion of land
CN209402987U (en) * 2019-01-14 2019-09-20 山东杰玛环保工程有限公司 A kind of forestry soil prosthetic device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4132026A1 (en) * 1991-09-26 1993-04-01 Franz Wieneke Mixing loose,chopped straw with soil - loosens soil by shares in preset layer thickness and carries out mechanical mixing
CN108093697A (en) * 2017-12-21 2018-06-01 吾家农场成都农业有限公司 A kind of compound farm flattening machine
CN207927170U (en) * 2018-01-18 2018-10-02 安徽有机良庄农业科技股份有限公司 A kind of vegetable plantation device integrating weeding arable land
CN108718542A (en) * 2018-05-03 2018-11-02 阜阳市卓创科技服务生产力促进中心 A kind of brag rake smooth for farm land
CN208908542U (en) * 2018-09-28 2019-05-31 师俊奇 A kind of agricultural farmland loosenning tiller
CN209402987U (en) * 2019-01-14 2019-09-20 山东杰玛环保工程有限公司 A kind of forestry soil prosthetic device
CN110178463A (en) * 2019-06-14 2019-08-30 广东园梦生态环境工程规划设计有限公司 A kind of flattening device for prepartion of land

Similar Documents

Publication Publication Date Title
CN204741711U (en) Maize ridging tectorial membrane seeding all -in -one
CN206948918U (en) Hay mover
CN206078089U (en) Potato harvest machine with adjustable spiller
CN207284068U (en) A kind of New type furrow plough part
CN210247424U (en) Deep scarification, stubble cleaning, rotary tillage and ridging combined soil preparation machine capable of adjusting ridges
CN206332986U (en) A kind of adjustable vibration land presser
CN203691911U (en) Floating type film-mulchinghill-drop planterditch-pressing device
CN111066392A (en) Land leveling device and land leveling method thereof
CN106612874B (en) Potato seedling killing machine
CN206585911U (en) A kind of adjustable potatoes full film double-furrow seeder
CN107466499A (en) A kind of mechanical grapevine earth output machine
CN207235376U (en) A kind of mechanical grapevine earth output machine
CN207783560U (en) A kind of afforestation Multifunctional trimming device
CN108521905A (en) Crops inter-row sub-soiling shovel weeds machine
CN208523222U (en) A kind of sawtooth pattern cutting blade potato seedling killing machine
CN207854428U (en) A kind of agricultural ditching device
CN108575260B (en) Agricultural farmland ridge weed cleaning and cutting device
CN112690157A (en) Wisdom is automatic laminating equipment for agricultural potato planting
CN115067130B (en) Tectorial membrane trompil equipment for farming
CN206024692U (en) Plastic film mulching machine
CN219894063U (en) Tectorial membrane device
CN204836964U (en) Suppression mechanism of rotary cultivator
CN112616365B (en) Compound profile modeling ditching device in high solid meadow
CN214627903U (en) Farming equipment for farming
CN218998903U (en) Angle-adjustable portable citrus unshiu picking device

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: 20200428

RJ01 Rejection of invention patent application after publication