CN110793828A - Road material rotary vibration compaction instrument - Google Patents
Road material rotary vibration compaction instrument Download PDFInfo
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- CN110793828A CN110793828A CN201911132313.1A CN201911132313A CN110793828A CN 110793828 A CN110793828 A CN 110793828A CN 201911132313 A CN201911132313 A CN 201911132313A CN 110793828 A CN110793828 A CN 110793828A
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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Abstract
The invention discloses a road material rotary vibration compaction instrument, which relates to the technical field of experimental equipment and comprises the following components: the device comprises an equipment bracket, a pressure system, a vibration system, a rotating system and an electric control system, wherein the pressure system, the rotating system and the vibration system are arranged on the equipment bracket from top to bottom, the pressure system is used for rolling and molding a sample, the rotating system is used for rotating and molding the sample, the vibration system is used for vibrating and molding the sample, the rotating system is arranged on the vibrating system, the electric control system is electrically connected with the pressure system, the vibrating system and the rotating system, the invention is used for controlling whether a pressure system, a rotating system and a vibrating system are started or not so as to overcome the defect that the prior art can not better simulate the actual construction situation, can provide four forming functions of vibration, vibration + rolling, vibration + rotation + rolling, wherein, the forming mode of 'vibration rotation rolling compaction' can better simulate the vibration rolling compaction road surface of a construction site.
Description
Technical Field
The invention relates to the technical field of experimental equipment, in particular to a road material rotary vibration compaction instrument.
Background
As one of the standard experiments specified by the national standard, the Marshall experiment of the asphalt mixture is widely applied. However, many researchers find that the asphalt mixture pavement with the optimal oilstone ratio meeting the standard requirements often has the phenomenon of oil bleeding to different degrees in the operation period, that is, the actual compaction condition of the actual pavement construction cannot be accurately simulated by the existing indoor compaction mode due to slight difference between the indoor simulation process and the actual road construction process.
The inorganic binder stabilizing material compaction experiment is usually hammer-type or static pressure type molding in a laboratory experiment, and in the actual construction process of roads, roadbed pavements are usually compacted by adopting vibration kneading and pressing. The difference of the two molding modes leads the indoor experiment not to better simulate the actual construction situation, and the indoor experiment data does not have more reference significance
Disclosure of Invention
The invention aims to provide a road material rotary vibration compaction instrument, which solves the problems in the prior art and can provide four forming functions of vibration, vibration + rolling, vibration + rotation + rolling, wherein the forming mode of vibration-rotation rolling can better simulate a vibration kneading type compacted road surface on a construction site.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a road material rotary vibration compaction instrument which comprises an equipment support, a pressure system, a vibration system, a rotation system and an electric control system, wherein the pressure system, the rotation system and the vibration system are arranged on the equipment support from top to bottom, the pressure system is used for rolling and forming a sample, the rotation system is used for rotary forming the sample, the vibration system is used for vibration forming of the sample, the rotation system is arranged on the vibration system, and the electric control system is electrically connected with the pressure system, the vibration system and the rotation system and used for controlling the pressure system, the rotation system and the vibration system to be started or not.
Preferably, the road material rotary vibration compaction instrument further comprises an air pressure system, wherein the air pressure system comprises an air tank, an air pump, an air transmission pipeline, an air transmission control valve and an air pressure meter, the air tank is arranged on the equipment support, the input end of the air pump is connected with the air tank, the output end of the air pump is connected with one end of the air transmission pipeline, the other end of the air transmission pipeline is connected with the pressure system, the air transmission control valve and the air pressure meter are both arranged on the air transmission pipeline, and the air transmission control valve and the air pressure meter are both electrically connected with the electric control system.
Preferably, the pressure system comprises a servo motor, a pressure transmission device, a cylinder, a kneading head and a photoelectric limiting instrument, the servo motor is arranged on the equipment support, the output end of the servo motor is connected with the input end of the pressure transmission device, the output end of the pressure transmission device is fixedly connected with a cylinder sleeve of the cylinder, the extending end of the cylinder is fixedly connected with the kneading head, the photoelectric limiting instrument is arranged on one side of the cylinder and used for monitoring displacement change data of a sample compaction process, an air pressure sensor is arranged in the cylinder, an air conveying pipeline enters the cylinder through a protective air conveying opening of the cylinder, and the photoelectric limiting instrument and the air pressure sensor are electrically connected with the electric control system.
Preferably, the rotating system includes a rotating electrical machine, a rotating transmission device and a rotating platform, the rotating electrical machine and the rotating transmission device are both disposed on the equipment support, the rotating electrical machine is electrically connected with the electric control system, the electric control system is used for controlling the rotating speed and the turning on or off of the rotating electrical machine, the output end of the rotating electrical machine is connected with the input end of the rotating transmission device, and the output end of the rotating transmission device is connected with the rotating platform.
Preferably, the rotation platform includes rotating frame, axis of rotation, sample sleeve, the solid fixed ring of sleeve and counter, rotating frame with axis of rotation fixed connection, axis of rotation one end with rotating electrical machines output fixed connection, the fixed ring of sleeve is fixed to be set up rotating frame is last, the sample sleeve sets up on the solid fixed ring of sleeve for the splendid attire sample, the counter sets up in the axis of rotation, the counter with the electrical system electricity is connected.
Preferably, the vibration system includes an asynchronous ac motor, a pulley transmission device, an eccentric shaft and a vibration platform, the asynchronous ac motor is disposed on the equipment support, the asynchronous ac motor is electrically connected to the electronic control system, the electronic control system is configured to control whether the asynchronous ac motor is turned on or not and the rotation speed of the asynchronous ac motor, an output end of the asynchronous ac motor is connected to one end of the eccentric shaft through the pulley transmission device, the other end of the eccentric shaft is connected to the vibration platform, and the rotation frame is disposed on the vibration platform.
Preferably, the rotary transmission device comprises a belt pulley transmission pair and a worm gear transmission pair, the output end of the rotary motor is connected with the input end of the belt pulley transmission pair, the output end of the belt pulley transmission pair is connected with the input end of the worm gear transmission pair, and the output end of the worm gear transmission pair is connected with the rotating platform.
Preferably, the pressure transmission device comprises a transmission gear and a transmission rod, the output end of the servo motor is connected with the input end of the transmission gear, the output end of the transmission gear is connected with the input end of the transmission rod, and the output end of the transmission rod is fixedly connected with the cylinder sleeve.
Compared with the prior art, the invention has the following technical effects:
the invention provides a road material rotary vibration compaction instrument which comprises a pressure system, a vibration system, a rotation system and an electric control system, wherein the pressure system is used for rolling and forming a sample, the rotation system is used for rotary forming of the sample, the vibration system is used for vibration forming of the sample, and the electric control system is used for controlling the pressure system, the vibration system and the rotation system to be opened or not, so that four forming functions of vibration, vibration + rolling, vibration + rotation + rolling can be provided, and a vibration rotary rolling forming mode can better simulate a vibration rolling type compacted road surface on a construction site.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is an isometric view of a rotary vibratory compactor for road materials according to the present invention;
FIG. 2 is a left side view of a road material rotovibrocompactor provided in accordance with the present invention;
FIG. 3 is a right side view of a road material rotovibrocompactor provided in accordance with the present invention;
FIG. 4 is a front view of a road material roto-vibratory compactor provided in accordance with the present invention.
Wherein: 1-top cover, 201-air cylinder, 202-kneading head, 203-photoelectric limiting instrument, 204-air tank, 205-servo motor, 206-transmission bearing, 207-transmission gear, 208-transmission rod, 209-barometer, 210-air transmission control valve, 211-air transmission pipeline, 301-rotating platform, 302-rotating motor, 303-counter, 304-belt pulley transmission device, 305-sleeve fixing ring, 306-sample sleeve, 401-asynchronous alternating current motor and 402-vibrating platform.
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 obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The invention aims to provide a road material rotary vibration compaction instrument, which solves the problems in the prior art and can provide four forming functions of vibration, vibration + rolling, vibration + rotation + rolling, wherein the forming mode of vibration-rotation rolling can better simulate a vibration kneading type compacted road surface on a construction site.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in FIGS. 1-4: the embodiment provides a road material rotary vibration compaction instrument, which comprises an equipment support, a pressure system, a vibration system, a rotating system and an electric control system, wherein the pressure system, the rotating system and the vibration system are arranged on the equipment support from top to bottom, the top cover 1 is arranged at the top of the equipment support, the pressure system is used for rolling and molding a sample, the rotating system is used for rotary molding the sample, the vibration system is used for vibration molding the sample, the rotating system is arranged on the vibration system, the electric control system is electrically connected with the pressure system, the vibration system and the rotating system and is used for controlling whether the pressure system, the rotating system and the vibration system are started or not, the pressure system, the vibration system and the rotating system are controlled to be started simultaneously or not through the electric control system, and four molding functions of vibration, vibration + rolling, vibration + rotation and rolling can be provided, wherein, the forming mode of 'vibration rotation rolling compaction' can better simulate the vibration rolling compaction road surface of a construction site. .
The road material rotary vibration compaction instrument further comprises an air pressure system, the air pressure system comprises an air tank 204, an air pump, an air transmission pipeline 211, an air transmission control valve 210 and an air pressure meter 209, the air tank 204 is arranged on the equipment support, the input end of the air pump is connected with the air tank 204, the output end of the air pump is connected with one end of the air transmission pipeline 211, the other end of the air transmission pipeline 211 is connected with the pressure system, the air pressure system is used for providing protective air pressure for the pressure system, the air transmission control valve 210 and the air pressure meter 209 are both arranged on the air transmission pipeline 211, the air transmission control valve 210 and the air pressure meter 209 are both electrically connected with the electric control system, and the electric control system judges whether to open the air.
The pressure system comprises a servo motor 205, a pressure transmission device, a cylinder 201, a kneading head 202 and a photoelectric limiter 203, the servo motor 205 is arranged on an equipment bracket, the output end of the servo motor 205 is connected with the input end of the pressure transmission device, the output end of the pressure transmission device is fixedly connected with a cylinder sleeve of the cylinder 201, the extending end of the cylinder 201 is fixedly connected with the kneading head 202, wherein the photoelectric limiter 203 is the photoelectric limiter existing in the prior art, the photoelectric limiter 203 is arranged at one side of the cylinder 201 and used for monitoring the displacement change data of a sample in the compaction process and transmitting the monitoring data to an electric control system, an air pressure sensor is arranged in the cylinder 201, an air pipeline 211 enters the cylinder 201 through a protective air delivery port of the cylinder 201, the photoelectric limiter 203 and the air pressure sensor are both electrically connected with the electric control system, and the air pressure sensor is used for monitoring the air pressure value in the cylinder 201, and the monitoring value is transmitted to the electric control system.
The pressure transmission device comprises a transmission gear 207 and a transmission rod 208, the output end of a servo motor 205 is connected with the input end of the transmission gear 207, the output end of the transmission gear 207 is connected with the input end of the transmission rod 208, and the output end of the transmission rod 208 is fixedly connected with a cylinder sleeve; the pressure transmission device can also comprise a transmission bearing 206, the output end of the servo motor 205 is connected with the input end of a transmission gear 207 through the transmission bearing 206, the output end of the transmission gear 207 is connected with the input end of a transmission rod 208, and the output end of the transmission rod 208 is fixedly connected with the cylinder sleeve.
The rotating system comprises a rotating motor 302, a rotating transmission device and a rotating platform 301, the rotating motor 302 and the rotating transmission device are both arranged on the equipment support, the rotating motor 302 is electrically connected with an electric control system, the electric control system is used for controlling the rotating speed and the opening of the rotating motor 302, the output end of the rotating motor 302 is connected with the input end of the rotating transmission device, and the output end of the rotating transmission device is connected with the rotating platform 301.
Rotating platform 301 includes rotating frame, the axis of rotation, sample sleeve 306, the solid fixed ring 305 of sleeve and counter 303, rotating frame and axis of rotation fixed connection, axis of rotation one end and 302 output fixed connection of rotating electrical machines, the solid fixed ring 305 of sleeve is fixed to be set up on rotating frame, sample sleeve 306 sets up on the solid fixed ring 305 of sleeve, be used for the splendid attire sample, counter 303 sets up in the axis of rotation, counter 303 is connected with electrical system electricity, be used for monitoring the rotational speed of axis of rotation, and will monitor numerical value and carry for electrical system.
Specifically, the counter can be through welding the count steel sheet in the axis of rotation, and the count steel sheet is located the count dish, is provided with the count inductor in the count dish, and the count inductor can sense the rotation number of turns of rotating platform and to electrical system output monitoring data in step.
The rotary transmission device comprises a belt pulley transmission pair and a worm gear transmission pair, the output end of the rotary motor 302 is connected with the input end of the belt pulley transmission pair, the output end of the belt pulley transmission pair is connected with the input end of the worm gear transmission pair, and the output end of the worm gear transmission pair is connected with the rotating platform 301.
The vibration system comprises an asynchronous alternating current motor 401, a belt pulley transmission device 304, an eccentric shaft and a vibration platform 402, wherein the asynchronous alternating current motor 401 is arranged on the equipment support, the asynchronous alternating current motor 401 is electrically connected with an electric control system, the electric control system is used for controlling whether the asynchronous alternating current motor 401 is started or not and the rotating speed of the asynchronous alternating current motor 401, the output end of the asynchronous alternating current motor 401 is connected with one end of the eccentric shaft through the belt pulley transmission device 304, the other end of the eccentric shaft is connected with the vibration platform 402, and a rotating frame is arranged on the vibration platform.
The working principle is as follows:
1. the road material vibration rotary compaction instrument is operated and controlled by a computer, and four compaction modes can be selected and respectively comprise: vibration, vibration + rolling, vibration + rotation + rolling; the vibration option is a vibration function of the instrument depending on a vibration platform, and the pressure device does not provide pressure at the moment, so that the crushed stone mixture is more compact through vibration and has the same function as the traditional vibration platform instrument; the option of 'vibration + rolling' is that the kneading head applies pressure when the instrument vibration platform vibrates, and the two functions work simultaneously to compact the crushed stone mixture; the option of 'vibration and rotary swing' is that the rotary platform rotates simultaneously when the instrument vibration platform vibrates, and the two functions work simultaneously to enable the crushed stone mixture to be more compact; the options of 'vibration + rotation + rolling' are that the instrument vibration platform rotates simultaneously when vibrating, the rotating platform simultaneously rotates, the pressure device simultaneously applies pressure, and three functions simultaneously work and compact the broken stone mixture.
2. The computer for the road material vibration rotary compaction instrument is used for operation control, and the specific operation process is as follows:
A. the instrument is connected with a power supply, a power switch in the instrument cabinet is turned on, the instrument can enter a voltage protection state for 1 minute, the air pump starts to work after 1 minute, air is input into the air tank 204, protective air is input into the air cylinder 201 from the air tank 204 until the protective air pressure reaches a safety value, the electric control system outputs a stop signal according to the monitoring value of the air pressure gauge 209, and the air pump stops working at the moment.
B. After the air pressure in the air cylinder 201 reaches a safe value, the kneading head 202 starts to move downwards; the kneading head 202 applies pressure when contacting with the crushed stone material, and when the pressure reaches a set value, each functional platform of the instrument starts to work.
C. When each functional platform of the vibration rotation rolling road material compaction instrument works, the rotation and swing times, the sample pressure value and the displacement value are output in real time, and the sample pressure value and the displacement value can be checked by clicking a curve button along with a line graph output by the rotation and swing times; the number of rotations is output to the electronic control system by a counter 303, and the electronic control system feeds back to computer information; the pressure intensity value of the sample is output to an electric control system by a pressure sensor, and the electric control system feeds back to computer information; the displacement value is output to the electric control system by the photoelectric limiter 203, and the electric control system feeds back to the computer information.
D. When the number of rotations reaches a set value, the vibration platform and the rotation platform stop working immediately, the kneading head 202 moves upwards and unloads the pressure, and meanwhile, the cylinder 201 releases the protective gas, and the gas pressure drops along with the protective gas.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. The utility model provides a road material rotary vibration compaction appearance which characterized in that: the device comprises an equipment support, a pressure system, a vibration system, a rotation system and an electric control system, wherein the pressure system, the rotation system and the vibration system are arranged on the equipment support from top to bottom, the pressure system is used for rolling and forming the sample, the rotation system is used for rotating and forming the sample, the vibration system is used for vibrating and forming the sample, the rotation system is arranged on the vibration system, and the electric control system is electrically connected with the pressure system, the vibration system and the rotation system and used for controlling whether the pressure system, the rotation system and the vibration system are started or not.
2. The rotary vibratory compactor of roadway material as claimed in claim 1, wherein: the gas transmission system is characterized by further comprising a gas pressure system, wherein the gas pressure system comprises a gas tank, a gas pump, a gas transmission pipeline, a gas transmission control valve and a gas pressure meter, the gas tank is arranged on the equipment support, the input end of the gas pump is connected with the gas tank, the output end of the gas pump is connected with one end of the gas transmission pipeline, the other end of the gas transmission pipeline is connected with the pressure system, the gas transmission control valve and the gas pressure meter are both arranged on the gas transmission pipeline, and the gas transmission control valve and the gas pressure meter are both electrically connected with the electric control system.
3. The rotary vibratory compactor of roadway material as claimed in claim 2, wherein: the pressure system comprises a servo motor, a pressure transmission device, a cylinder, a kneading head and a photoelectric limiting instrument, wherein the servo motor is arranged on the equipment support, the output end of the servo motor is connected with the input end of the pressure transmission device, the output end of the pressure transmission device is fixedly connected with a cylinder sleeve of the cylinder, the extending end of the cylinder is fixedly connected with the kneading head, the photoelectric limiting instrument is arranged on one side of the cylinder and used for monitoring displacement change data of a sample compaction process, an air pressure sensor is arranged in the cylinder, an air conveying pipeline passes through a protective air conveying port of the cylinder and enters the cylinder, and the photoelectric limiting instrument and the air pressure sensor are electrically connected with the electric control system.
4. The rotary vibratory compactor of roadway material as claimed in claim 1, wherein: the rotating system comprises a rotating motor, a rotating transmission device and a rotating platform, the rotating motor and the rotating transmission device are both arranged on the equipment support, the rotating motor is electrically connected with the electric control system, the electric control system is used for controlling the rotating speed and the opening or closing of the rotating motor, the output end of the rotating motor is connected with the input end of the rotating transmission device, and the output end of the rotating transmission device is connected with the rotating platform.
5. The rotary vibratory compactor of roadway material as claimed in claim 4, wherein: the rotation platform includes rotating frame, axis of rotation, sample sleeve, the solid fixed ring of sleeve and counter, rotating frame with axis of rotation fixed connection, axis of rotation one end with rotating electrical machines output fixed connection, the fixed setting of sleeve fixed ring is in on the rotating frame, the sample sleeve sets up on the solid fixed ring of sleeve for the splendid attire sample, the counter sets up in the axis of rotation, the counter with the electrical system electricity is connected.
6. The rotary vibratory compactor of roadway material as claimed in claim 5, wherein: the vibration system comprises an asynchronous alternating current motor, a belt pulley transmission device, an eccentric shaft and a vibration platform, wherein the asynchronous alternating current motor is arranged on the equipment support and is electrically connected with the electric control system, the electric control system is used for controlling whether the asynchronous alternating current motor is started or not and the rotating speed of the asynchronous alternating current motor, the output end of the asynchronous alternating current motor is connected with one end of the eccentric shaft through the belt pulley transmission device, the other end of the eccentric shaft is connected with the vibration platform, and the rotating frame is arranged on the vibration platform.
7. The rotary vibratory compactor of roadway material as claimed in claim 4, wherein: the rotary transmission device comprises a belt pulley transmission pair and a worm gear transmission pair, the output end of the rotary motor is connected with the belt pulley transmission pair input end, the belt pulley transmission pair output end is connected with the worm gear transmission pair input end, and the worm gear transmission pair output end is connected with the rotary platform.
8. The rotary vibratory compactor of roadway material as claimed in claim 3, wherein: the pressure transmission device comprises a transmission gear and a transmission rod, the output end of the servo motor is connected with the input end of the transmission gear, the output end of the transmission gear is connected with the input end of the transmission rod, and the output end of the transmission rod is fixedly connected with the cylinder sleeve.
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CN201911132313.1A CN110793828A (en) | 2019-11-19 | 2019-11-19 | Road material rotary vibration compaction instrument |
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CN201911132313.1A CN110793828A (en) | 2019-11-19 | 2019-11-19 | Road material rotary vibration compaction instrument |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1731129A (en) * | 2005-07-29 | 2006-02-08 | 长安大学 | Indoor asphalt mixture rotating and vibrating compactor |
CN200986503Y (en) * | 2006-12-26 | 2007-12-05 | 天津东正测控技术发展有限公司 | Vibration compaction instrument |
CN204422306U (en) * | 2015-03-07 | 2015-06-24 | 盐城工学院 | Asphalt vibration rotary compactor |
CN105538769A (en) * | 2016-01-15 | 2016-05-04 | 广西交通职业技术学院 | Vibrating and rotary compacting tester for preparing semi-flexible composite pavement structural test piece |
CN109291219A (en) * | 2018-11-07 | 2019-02-01 | 山东省交通科学研究院 | A kind of multifunction cement stabilized macadam base specimen molding device and method |
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2019
- 2019-11-19 CN CN201911132313.1A patent/CN110793828A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1731129A (en) * | 2005-07-29 | 2006-02-08 | 长安大学 | Indoor asphalt mixture rotating and vibrating compactor |
CN200986503Y (en) * | 2006-12-26 | 2007-12-05 | 天津东正测控技术发展有限公司 | Vibration compaction instrument |
CN204422306U (en) * | 2015-03-07 | 2015-06-24 | 盐城工学院 | Asphalt vibration rotary compactor |
CN105538769A (en) * | 2016-01-15 | 2016-05-04 | 广西交通职业技术学院 | Vibrating and rotary compacting tester for preparing semi-flexible composite pavement structural test piece |
CN109291219A (en) * | 2018-11-07 | 2019-02-01 | 山东省交通科学研究院 | A kind of multifunction cement stabilized macadam base specimen molding device and method |
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Application publication date: 20200214 |