CN108860214A - A kind of medium-and low-speed maglev F type track detector with positioning function - Google Patents

A kind of medium-and low-speed maglev F type track detector with positioning function Download PDF

Info

Publication number
CN108860214A
CN108860214A CN201810763591.6A CN201810763591A CN108860214A CN 108860214 A CN108860214 A CN 108860214A CN 201810763591 A CN201810763591 A CN 201810763591A CN 108860214 A CN108860214 A CN 108860214A
Authority
CN
China
Prior art keywords
unit
support unit
type track
positioning
medium
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
CN201810763591.6A
Other languages
Chinese (zh)
Inventor
肖力
王泉
杨巍
吴尧
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.)
Hunan Lingxiang Maglev Technology Co Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201810763591.6A priority Critical patent/CN108860214A/en
Publication of CN108860214A publication Critical patent/CN108860214A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61KAUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
    • B61K9/08Measuring installations for surveying permanent way

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The invention discloses a kind of medium-and low-speed maglev F type track detector with positioning function, including:Carrier unit, for the sliding unit of driving arm unit motion, the measuring unit for measuring orbital data and positioning and data transmission unit, carrier unit includes left support unit, right support unit and the crossbeam for connecting left support unit and right support unit;Measuring unit includes the range sensor for measuring track length, and the structure sensor for measuring track geometry shape, range sensor setting be arranged on sliding unit, be all equipped on left support unit and right support unit structure sensor with for simultaneously measurement two tracks geometry;Positioning and data transmission unit are located on bracket with the data information for sending positioning and measurement.The present invention can obtain the real-time position information of rail inspection instrument using symmetric design, stable gravity center, consistent for the measurement data of both sides track, and with positioning function.

Description

A kind of medium-and low-speed maglev F type track detector with positioning function
Technical field
The present invention relates to magnetic levitation track detection fields, are specifically related to a kind of medium-and low-speed maglev F type rail with positioning function Road detector.
Background technique
Because having, low noise, climbing capacity is strong, turning radius is small and City Terrain good compatibility for medium-and low-speed maglev traffic The advantages that, have become the important optinal plan for developing common-rail traffic.Medium-and low-speed maglev traffic uses F type track, vehicle The levitating electromagnet of lower part and F rail constitute closed magnetic circuit, its electromagnetic attraction vertical component realization vehicle track between is without connecing Touching support, when vehicle is crossed bend or influenced by lateral force, the electromagnetic attraction horizontal component generated between electromagnet and track is formed Passive guiding force, to realize the contactless guiding of vehicle.
The distinctive F type track of medium-and low-speed maglev is different from the T-type track structure of traditional railway, therefore traditional T-type track Track detector can not measure F type track, earliest F type track detector need manually with hand push detector forward Operation is time-consuming and laborious to measure;It is disclosed application No. is the patent of CN201711122310.0 and a kind of drives Force system F type track detector, but there is also type Railway Projects for this F type track detector:1, overall structure is asymmetric, therefore It is easy the data of measurement to be influenced, although mentioning in embodiment because gravity center instability causes to tilt when track detector is run There is a possibility that falling when having gone out the modus vivendi for increasing clump weight, but clump weight installation is inconvenient, and having run, also It is the measurement that will affect data.2, the side of detector has multiple sensor mounts that can install multiple sensors, the other side It is small in size, the sensor that can be installed is fewer than the other side, and the data that will result in two orbit measurements in this way are inconsistent, shadow Measurement result is rung, in order to eliminate this error, can be measured once using turning around to repeat after an orbit measurement is primary Method eliminates error, it is done so that if it is time-consuming and laborious.3, lack positioning function, can not both learn the real-time position of rail inspection instrument It sets, and the path of whole track can not be measured and be recorded.
Summary of the invention
In order to solve the above-mentioned technical problem, the object of the present invention is to provide a kind of both sides symmetrical configuration, stable gravity center, for two The identical medium-and low-speed maglev F type track detector with positioning function of measurement data of track.
The technical solution adopted by the present invention is that:
A kind of medium-and low-speed maglev F type track detector with positioning function, including:Carrier unit is used for driving arm list Sliding unit, the measuring unit for measuring orbital data and the positioning of member movement and data transmission unit;The bracket list Member includes left support unit, right support unit and the crossbeam for connecting left support unit and right support unit;The measuring unit Including the range sensor for measuring track length, and the structure sensor for measuring track geometry shape, it is described away from It is being arranged on sliding unit from sensor setting, structure sensor is all installed on the left support unit and right support unit With the geometry for measuring two tracks simultaneously;The positioning and data transmission unit are located on bracket with fixed for sending The data information of position and measurement.
Further, the left support unit, right support unit respectively include three hook type support plates and a support Vertical bar, the hook type support plate include on upper horizontally-supported and the lower horizontal support chip vertical with vertical supporting rod, and connection The arc connection sheet of horizontally-supported and lower horizontal support chip, three upper horizontally-supported front ends respectively with vertical supporting rod Front end, middle-end be connected with rear end, the both ends of the crossbeam are vertical with two vertical supporting rods to be connect, the transverse direction of two vertical supporting rods It is adapted at a distance from the distance F type interorbital parallel with two for being slided along F type track.
Further, the sliding unit includes the driving for being set to left support unit or any side of right support unit The shaft of the driving motor of wheel and offer power, the driving motor is connected by belt with the shaft of driving wheel to be used for Drive driving wheel rotation;It further include being set to one group of driven wheel of driving motor side frame bottom and being set to another collateral Another group of driven wheel of frame bottom.
Further, the positioning and data transmission unit are located in crossbeam, including positioning system modules, radio communication mold Block, microprocessor and the power module for power supply, the microprocessor module respectively with positioning system modules, radio communication mold Block, range sensor and structure sensor are electrically connected for collecting measurement data and by wireless communication module transmitting-receiving letter Breath.
Further, the range sensor is encoder, and the encoder is set to left support unit or right support list Any side of member.
Further, the structure sensor includes several probes being set on left support unit and is set to right support Several probes on unit, several probes on left support unit are located under three on horizontal support chip and three arcs The middle position of shape connection sheet;Probe on right support unit is corresponding with the probe positions on left support unit, the probe All towards F type track.
Further, the corresponding position of the arc connection sheet and F type track side is provided with locating wheel mounting rack, described fixed Position wheel mounting rack is parallel with the type track side F, and the sliding unit further includes locating wheel, and the locating wheel is mounted on locating wheel peace It shelves and takes turns bottom and the side of F type track abuts against.
Further, the left support unit/right support unit further includes auxiliary stand, the both ends point of the auxiliary stand It is not connected with crossbeam, hook type support plate, to be used for rock-steady structure.
Further, the positioning system modules using one of Beidou module, GPS module or GLONASS module or It is a variety of.
It further, further include control plate, the control plate is matched with wireless communication module for realizing letter Number transmission and Real Time Control Function.
Beneficial effects of the present invention:
1, by built-in positioning and data transmission unit, the position that rail examines instrument can be sent in real time to backstage, backstage The path that instrument conduct route in orbit draws out magnetic-levitation can be examined according to rail.
2, left support unit and right support unit use symmetric design, and overall structure is stable and center of gravity is in centre, guarantee The balance to orbit will not cause measurement data inaccurate because of inclination.
3, the structure sensor of same number and position is mounted on symmetrical left and right bracket, it can be simultaneously to track Both sides measure, and ensure that the consistency of two orbital measurement datas.
Detailed description of the invention
A specific embodiment of the invention is described further with reference to the accompanying drawing;
Fig. 1 is the first oblique view of track detector of the present invention;
Fig. 2 is the second oblique view of track detector of the present invention;
Fig. 3 is the left side side view of track detector of the present invention;
Fig. 4 is the right side view of track detector of the present invention;
Fig. 5 is the front view of track detector of the present invention;
Fig. 6 is the bottom view of track detector of the present invention;
Fig. 7 is the top view of track detector of the present invention.
Specific embodiment
As Fig. 1-Fig. 7 show a kind of medium-and low-speed maglev F type track detector with positioning function of the invention, including: Carrier unit 1, for the sliding unit of driving arm unit motion, the measuring unit for measuring orbital data and positioning And data transmission unit;Carrier unit includes left support unit, right support unit and connection left support unit and right support list The crossbeam 3 of member;Measuring unit includes the range sensor 41 for measuring track length, and for measuring track geometry shape Structure sensor 42, range sensor 41 setting be arranged on sliding unit, on left support unit and right support unit all Be equipped with structure sensor 42 with for and meanwhile measure two tracks geometry;Positioning and data transmission unit 5 are located at branch With the data information for sending positioning and measurement on frame.
Wherein, in order to reach center of gravity and integrally-built balance, left support unit, right support unit use symmetric design, Three hook type support plates 11 and a vertical supporting rod 12 are respectively included, hook type support plate 11 includes vertical with vertical supporting rod 12 Upper horizontally-supported 111 and lower horizontal support chip 112, and connection upper horizontally-supported 111 and lower horizontal support chip 112 Arc connection sheet 113, three upper horizontally-supported 111 front ends are connected with the front end of vertical supporting rod 12, middle-end and rear end respectively; Certainly connecting three the forward and backward of vertical supporting rod 12, middle-end positions using three hook type support plates 11 only keeps overall structure steady The optimal embodiment of cost is saved in the case where fixed as far as possible, can also using less or more hook-shaped support plates 11 with Vertical supporting rod 12 is connected, and the position of connection is also not limited to front end, middle-end and the rear end of vertical supporting rod 12, can be perpendicular in support Any position of bar 12;The both ends of crossbeam 3 are vertical with two vertical supporting rods 12 to be connect, the lateral distance of two vertical supporting rods 12 with The distance of two parallel F type interorbitals is adapted for sliding along F type track.
As shown in figure 3, sliding unit include the driving wheel 21 for being set to left support unit or any side of right support unit, And the driving motor 22 of power is provided, the shaft 221 of driving motor 22 passes through toothed belt 23 and two driving wheels 21 Shaft 211 is connected, for driving driving wheel 21 to rotate;Further include be set to one group of 22 side frame bottom of driving motor from Driving wheel 24 and another group of driven wheel 24 for being set to other side frame bottom;By driving wheel 21, driving motor in the present embodiment 22 and one group of driven wheel 24 be arranged on left support unit, another group of driven wheel 24 is arranged on right support unit, certainly may be used To exchange the positional relationship on both sides, driving wheel 21, driving motor 22 are arranged on right support unit.
Positioning and data transmission unit 5 are located in crossbeam 3, including positioning system modules, wireless communication module, microprocessor With the power module for power supply, microprocessor module respectively with positioning system modules, wireless communication module, range sensor 41 It is electrically connected with structure sensor 42 for collecting measurement data and module is received and sent messages by wireless communication.
As shown in figure 4, range sensor 41 is encoder, encoder is set to left support unit or right support unit is any Encoder, is arranged in 24 inside of driven wheel of left support unit in the present embodiment by side, the shaft of encoder by gear with Driven wheel 24 is connected, and can be obtained by the data that rail examines instrument travel distance by the rotation of driven wheel 24.
As shown in Fig. 3, Fig. 4, Fig. 6, structure sensor 42 includes six probes being set on left support unit and setting Wherein horizontal support chip under three is located at for three in the probe on six probes on right support unit, left support unit On 112, the other three, which is popped one's head in, is located at the middle position of three arc connection sheets 113, probe and a left side on right support unit Probe positions on carrier unit are corresponding, pop one's head in all towards F type track;Certainly, six probes of each installation in left and right are this hair Bright preferred embodiment, the quantity of probe without limitation, can also need to install other quantity according to Surveying Actual Precision Probe.
In order to guarantee the stability when running on warp rail, the corresponding position of arc connection sheet 113 and F type track side It is provided with locating wheel mounting rack 13, locating wheel mounting rack 13 is parallel with the type track side F, and sliding unit further includes locating wheel 25, Locating wheel 25 is mounted on locating wheel mounting rack 13 and takes turns bottom and the side of F type track abuts against.
In order to further strengthen integrally-built stability, left support unit/right support unit further includes auxiliary stand 14, The both ends of auxiliary stand 14 are connect with crossbeam 3, hook type support plate 11 respectively, the upper horizontal branch with crossbeam 13 and hook type support plate 11 Blade 111 forms stable triangular structure, further enhances the stability of carrier unit.
Positioning system modules use one of Beidou module, GPS module or GLONASS module or a variety of;It further include control Plate processed, control plate are matched with wireless communication module for realizing signal transmission and Real Time Control Function, wireless communication Module can be established and be communicated using bluetooth or WIFI module and control plate, and staff only needs to stand in orbit by flat Plate is remotely controlled rail and examines instrument, completes measurement work for F type track, and both having saved worry laborsaving in turn ensures safety;Preferably, if positioning System module uses Beidou module, can be controlled by examining instrument to rail with the coding of Beidou Navigation System, can save volume Outer control module, save the cost.
For the present invention by built-in positioning and data transmission unit, the position for capableing of rail inspection instrument is sent to backstage in real time, after Platform can examine the path that instrument conduct route in orbit draws out magnetic-levitation according to rail.Left support unit and right support list Member uses symmetric design, and overall structure is stable and center of gravity is in centre, ensure that the balance to orbit, will not be because of Inclination causes measurement data inaccurate.The structure sensor of same number and position is mounted on symmetrical left and right bracket, it can The both sides of track are measured simultaneously, ensure that the consistency of two orbital measurement datas.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to above embodiment, as long as with Essentially identical means realize that the technical solution of the object of the invention belongs within protection scope of the present invention.

Claims (10)

1. a kind of medium-and low-speed maglev F type track detector with positioning function, which is characterized in that including:Carrier unit (1) is used It is single in the sliding unit of driving arm unit motion, the measuring unit for measuring orbital data and positioning and data transmission Member;The carrier unit includes left support unit, right support unit and the crossbeam for connecting left support unit and right support unit (3);The measuring unit includes for measuring the range sensor of track length (41), and for measuring track geometry shape Structure sensor (42), the range sensor (41) setting is being arranged on sliding unit, the left support unit and the right side All be equipped on carrier unit structure sensor (42) with for and meanwhile measure two tracks geometry;The positioning sum number It is located on bracket according to transmission unit (5) with the data information for sending positioning and measurement.
2. the medium-and low-speed maglev F type track detector according to claim 1 with positioning function, it is characterised in that:It is described Left support unit, right support unit respectively include three hook type support plates (11) and a vertical supporting rod (12), the hook type Support plate (11) includes upper horizontally-supported piece (111) and lower horizontal support chip (112) vertical with vertical supporting rod (12), Yi Jilian Connect the arc connection sheet (113) of horizontally-supported (111) and lower horizontal support chip (112), described three upper horizontally-supported (111) front end is connected with front end, middle-end and the rear end of vertical supporting rod (12) respectively, the both ends of the crossbeam (3) and two branch It supports vertical bar (12) vertically to connect, mutually be fitted at a distance from the lateral distance of two vertical supporting rods (12) the F type interorbital parallel with two It should be for being slided along F type track.
3. the medium-and low-speed maglev F type track detector according to claim 1 with positioning function, it is characterised in that:It is described Sliding unit includes the drive for being set to the driving wheel (21) and offer power of left support unit or any side of right support unit The shaft (221) of dynamic motor (22), the driving motor (22) is connected by belt (23) with the shaft (211) of driving wheel (21) For driving driving wheel (21) to rotate;It further include one group of driven wheel (24) for being set to driving motor (22) side frame bottom And it is set to another group of driven wheel (24) of other side frame bottom.
4. the medium-and low-speed maglev F type track detector according to claim 1 with positioning function, it is characterised in that:It is described Positioning and data transmission unit (5) are located in crossbeam (3), including positioning system modules, wireless communication module, microprocessor and use In the power module of power supply, the microprocessor module respectively with positioning system modules, wireless communication module, range sensor (41) it is electrically connected with structure sensor (42) for collecting measurement data and module is received and sent messages by wireless communication.
5. the medium-and low-speed maglev F type track detector according to claim 1 with positioning function, it is characterised in that:It is described Range sensor (41) is encoder, and the encoder is set to left support unit or any side of right support unit.
6. the medium-and low-speed maglev F type track detector according to claim 2 with positioning function, it is characterised in that:It is described Structure sensor (42) includes several probes being set on left support unit and several probes for being set on right support unit, Several probes on left support unit are located under three on horizontal support chip (112) and three arc connection sheets (113) Middle position;Probe on right support unit is corresponding with the probe positions on left support unit, and the probe is all towards F type Track.
7. the medium-and low-speed maglev F type track detector according to claim 2 with positioning function, it is characterised in that:It is described The corresponding position of arc connection sheet (113) and F type track side is provided with locating wheel mounting rack (13), the locating wheel mounting rack (13) parallel with the type track side F, the sliding unit further includes locating wheel (25), and the locating wheel (25) is mounted on locating wheel On mounting rack (13) and wheel bottom and the side of F type track abuts against.
8. the medium-and low-speed maglev F type track detector according to claim 2 with positioning function, it is characterised in that:It is described Left support unit/right support unit further includes auxiliary stand (14), the both ends of the auxiliary stand (14) respectively with crossbeam (3), Hook type support plate (11) is connected, to be used for rock-steady structure.
9. the medium-and low-speed maglev F type track detector according to claim 4 with positioning function, it is characterised in that:It is described Positioning system modules use one of Beidou module, GPS module or GLONASS module or a variety of.
10. the medium-and low-speed maglev F type track detector according to claim 4 with positioning function, it is characterised in that:Also wrap Control plate is included, the control plate is matched with wireless communication module for realizing signal transmission and Real Time Control Function.
CN201810763591.6A 2018-07-12 2018-07-12 A kind of medium-and low-speed maglev F type track detector with positioning function Pending CN108860214A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810763591.6A CN108860214A (en) 2018-07-12 2018-07-12 A kind of medium-and low-speed maglev F type track detector with positioning function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810763591.6A CN108860214A (en) 2018-07-12 2018-07-12 A kind of medium-and low-speed maglev F type track detector with positioning function

Publications (1)

Publication Number Publication Date
CN108860214A true CN108860214A (en) 2018-11-23

Family

ID=64301412

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810763591.6A Pending CN108860214A (en) 2018-07-12 2018-07-12 A kind of medium-and low-speed maglev F type track detector with positioning function

Country Status (1)

Country Link
CN (1) CN108860214A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111452828A (en) * 2020-03-26 2020-07-28 中铁七局集团西安铁路工程有限公司 Track fine adjustment and limit detection device for vehicle maintenance warehouse
CN111994125A (en) * 2020-09-17 2020-11-27 西南交通大学 Rail bottom slope detection tool support and rail bottom slope detection equipment
CN117022373A (en) * 2023-10-08 2023-11-10 武汉江腾铁路工程有限责任公司 Measuring device for railway basic data

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105313908A (en) * 2015-11-30 2016-02-10 中铁电气化勘测设计研究院有限公司 Scanning device for facilities beside railway track
CN206125056U (en) * 2016-08-31 2017-04-26 中铁第四勘察设计院集团有限公司 Well low -speed maglev F rail fault detecting robot
CN106740981A (en) * 2016-12-01 2017-05-31 中车株洲电力机车有限公司 A kind of medium-and low-speed maglev line is by stream conductor rail device for dynamically detecting and method
CN208868061U (en) * 2018-07-12 2019-05-17 肖力 A kind of medium-and low-speed maglev F type track detector with positioning function

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105313908A (en) * 2015-11-30 2016-02-10 中铁电气化勘测设计研究院有限公司 Scanning device for facilities beside railway track
CN206125056U (en) * 2016-08-31 2017-04-26 中铁第四勘察设计院集团有限公司 Well low -speed maglev F rail fault detecting robot
CN106740981A (en) * 2016-12-01 2017-05-31 中车株洲电力机车有限公司 A kind of medium-and low-speed maglev line is by stream conductor rail device for dynamically detecting and method
CN208868061U (en) * 2018-07-12 2019-05-17 肖力 A kind of medium-and low-speed maglev F type track detector with positioning function

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111452828A (en) * 2020-03-26 2020-07-28 中铁七局集团西安铁路工程有限公司 Track fine adjustment and limit detection device for vehicle maintenance warehouse
CN111994125A (en) * 2020-09-17 2020-11-27 西南交通大学 Rail bottom slope detection tool support and rail bottom slope detection equipment
CN117022373A (en) * 2023-10-08 2023-11-10 武汉江腾铁路工程有限责任公司 Measuring device for railway basic data
CN117022373B (en) * 2023-10-08 2024-01-12 武汉江腾铁路工程有限责任公司 Measuring device for railway basic data

Similar Documents

Publication Publication Date Title
CN109281238B (en) Track detector
CN106274981B (en) A kind of track detection device and detection method
CN210464365U (en) Contact rail geometric parameter detection device
CN205589249U (en) Track inspection dolly
CN101761004B (en) Rail detecting instrument for low and medium speed magnetic suspension F-type rail
CN110696855A (en) Full-automatic track inspection tester
CN208278072U (en) A kind of conductor rail detection vehicle
CN108860214A (en) A kind of medium-and low-speed maglev F type track detector with positioning function
CN110466560A (en) Track detecting component
CN207215086U (en) A kind of Portable non-contact rail tunnel Clearance Detection
CN214470772U (en) Lightweight tunnel comprehensive detection and analysis system
CN206475882U (en) Rail MPV
CN214992751U (en) Railway track gauge measuring instrument
CN208868061U (en) A kind of medium-and low-speed maglev F type track detector with positioning function
CN102175168A (en) Orbit dynamic detection device for medium and low speed maglev F-type orbits
CN208530590U (en) A kind of band remotely monitors and the rail of wireless data transmission function examines instrument
CN218973533U (en) Permanent magnet track parameter detection device
CN116353644B (en) Monorail detection vehicle suitable for track detection
CN210180409U (en) Canopy limit measuring device for existing railway line platform
CN206155468U (en) Track inspection device
CN108860213A (en) A kind of band remotely monitors and the rail of wireless data transmission function examines instrument
CN102840828A (en) Static parameter measurement device of contact net and usage method thereof
CN215589155U (en) Monorail inspection robot
CN103344445B (en) Detecting platform of medium-low speed magnetic levitation line feed unit
CN216668774U (en) Lifting positioning mechanism and vehicle ADAS calibration 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
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20200713

Address after: Room 103-104, building B3, Changsha E center, No.18 Xiangtai Road, Liuyang economic and Technological Development Zone, Changsha City, Hunan Province

Applicant after: HUNAN LINGXIANG MAGNETIC LEVITATION TECHNOLOGY Co.,Ltd.

Address before: 410005 Hunan province Changsha Kaifu District, the Pearl River Fisheries Road Pu Shu 20 building 103 room

Applicant before: Xiao Li

RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20181123