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CN109469676A - Bolt pair and wind power tower - Google Patents

Bolt pair and wind power tower Download PDF

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Publication number
CN109469676A
CN109469676A CN201811645906.3A CN201811645906A CN109469676A CN 109469676 A CN109469676 A CN 109469676A CN 201811645906 A CN201811645906 A CN 201811645906A CN 109469676 A CN109469676 A CN 109469676A
Authority
CN
China
Prior art keywords
nut
bolt pair
infrared transmitter
photo resistance
screw rod
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
CN201811645906.3A
Other languages
Chinese (zh)
Inventor
刘贵星
田震
陈海滨
杨海涛
张艳锋
余建成
高志强
訾恒
李文斌
宋举
杨化君
张宾汝
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.)
Huarun Power Investment Co Ltd North Branch
Original Assignee
Huarun Power Investment Co Ltd North Branch
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 Huarun Power Investment Co Ltd North Branch filed Critical Huarun Power Investment Co Ltd North Branch
Priority to CN201811645906.3A priority Critical patent/CN109469676A/en
Publication of CN109469676A publication Critical patent/CN109469676A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00Nuts or like thread-engaging members
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Wind Motors (AREA)

Abstract

本发明公开了一种螺栓副,包括一端设置有螺头的螺杆和与螺杆螺纹连接的螺母,还包括用于在螺母相对螺杆旋转至预定位置时生成检测信号的检测器。在该螺栓副中,在应用时,因为螺栓副的螺母相对螺杆的位置关系能够被检测器获取,以使得工作人员无需进行现场检修,即能够远程通过检测器的检测信号,判断螺母是否松动,此时随时可以进行检修,而且整个检修过程并不会对现场工作造成影响,因此大大降低了检修难度,有效地提高了工作效率,尤其应用在风电塔筒上时,无需停机进行检修,大大降低了检修成本。综上所述,该螺栓副能够有效地解决现有技术中现场螺栓副检修不方便且降低工作效率的问题。本发明还公开了一种包括上述螺栓副的风电塔筒。

The invention discloses a bolt pair, comprising a screw rod provided with a screw head at one end and a nut threadedly connected with the screw rod, and a detector for generating a detection signal when the nut rotates to a predetermined position relative to the screw rod. In this bolt pair, during application, because the positional relationship of the nut of the bolt pair relative to the screw can be obtained by the detector, so that the staff can remotely judge whether the nut is loose through the detection signal of the detector without on-site maintenance. At this time, maintenance can be carried out at any time, and the entire maintenance process will not affect the on-site work, so the difficulty of maintenance is greatly reduced, and the work efficiency is effectively improved. maintenance costs. To sum up, the bolt pair can effectively solve the problems in the prior art that the on-site bolt pair maintenance is inconvenient and the work efficiency is reduced. The invention also discloses a wind power tower including the above-mentioned bolt pair.

Description

Bolt pair and wind-power tower
Technical field
The present invention relates to mechanical equipment technical fields to further relate to a kind of include upper more specifically to a kind of bolt pair State the wind-power tower of bolt pair.
Background technique
Since wind-power tower bolt is more, then there are 700 high-strength bolts according to four layers of current mainstream model, makes an inspection tour and need to stop Chance leads to electric quantity loss, and service personnel is needed to take hydraulic spanner sampling observation fastening, and maintenance cost is high.
In conclusion the problem of how efficiently solving inconvenient live bolt pair maintenance and reduction working efficiency, is mesh Preceding those skilled in the art's urgent problem.
Summary of the invention
In view of this, the first purpose of this invention is to provide a kind of bolt pair, which can be efficiently solved The problem of live bolt pair maintenance inconvenience and reduction working efficiency, include above-mentioned a second object of the present invention is to provide one kind The wind-power tower of bolt pair.
In order to reach above-mentioned first purpose, the invention provides the following technical scheme:
A kind of bolt pair further includes including the nut that one end is provided with the screw rod of screw head and connect with the screw flight For generating the detector of detection signal when the nut is rotated relative to the screw rod to predetermined position.
According to above-mentioned technical solution, it is recognised that in use, the bolt pair is mounted on wind-power tower, with It is locked in by two components of target, and the several hundred a bolt pairs of wind-power tower can be all made of the bolt pair.Then in spiral shell When bolt pair is locked, i.e., when nut is in locking state, regarding as nut at this time is predetermined position, and detector can lead at this time Cross whether detection nut is located at predetermined position, to judge whether nut is in locking state, can quickly pass through detector Obtain testing result.In the bolt pair, in use, because the nut of bolt pair can be detected with respect to the positional relationship of screw rod It surveys device to obtain, so that staff without carrying out site examining and repairing, can remotely pass through the detection signal of detector, judge spiral shell Whether mother loosens, and can be overhauled at any time at this time, and entire maintenance process can't impact work on the spot, therefore Maintenance difficulty is greatly reduced, working efficiency is effectively improved.In conclusion the bolt pair can efficiently solve existing skill Live bolt pair overhauls the problem of inconvenient and reduction working efficiency in art.
Preferably, the detector includes infrared transmitter and the shape when receiving the infrared transmitter transmitting infrared light At the photo resistance of the detection signal, when the nut is rotated relative to the screw rod to the predetermined position, the photosensitive electricity Resistance can receive the infrared light of infrared transmitter transmitting, and rotate in the nut relative to the screw rod described pre- to deviateing When positioning is set, the photo resistance can not receive the infrared light of the infrared transmitter.
Preferably, one in the infrared transmitter and the photo resistance is arranged on the nut, another sets It sets in the screw head.
Preferably, at least one in the infrared transmitter and the photo resistance can adjust installation position along circumferential direction It sets.
Preferably, in the screw head and the nut one be provided with the infrared transmitter and the photo resistance, Another is provided with the reflecting component of the infrared light reflection for emitting the infrared transmitter to the photo resistance.
Preferably, the infrared transmitter and the photo resistance are arranged in the screw head.
Preferably, the detector is infrared distance sensor.
In order to reach above-mentioned second purpose, the present invention also provides a kind of wind-power tower, which includes above-mentioned Two pieces of connecting plates of any bolt pair, the wind-power tower are connected by the bolt pair.Since above-mentioned bolt pair has There is above-mentioned technical effect, the wind-power tower with the bolt pair should also have corresponding technical effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is the attachment structure schematic diagram of bolt pair provided in an embodiment of the present invention.
It is marked in attached drawing as follows:
Nut 1, screw rod 2, screw head 3, infrared transmitter 4, photo resistance 5.
Specific embodiment
The embodiment of the invention discloses a kind of bolt pairs, to efficiently solve live bolt pair maintenance inconvenience and reduce work The problem of making efficiency.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 1 is the attachment structure schematic diagram of bolt pair provided in an embodiment of the present invention.
In a specific embodiment, a kind of bolt pair is present embodiments provided, wind-power tower is mainly used in, it can be with It is arranged in other systems for being equipped with a large amount of components, such as rail system.Specifically, the bolt pair includes screw rod 2, nut 1 And detector.
Wherein one end of screw rod 2 is provided with screw head 3, and the other end generally opens wide setting, to rotate into for nut 1.Its Middle nut 1 and 3 structure of screw head can refer to the prior art, and wherein screw head 3 can be hexagonal screw head, and wherein nut 1 can be with It can also be certainly other structures, such as screw head 3 therein can be cross screw head for hex nut.
Wherein nut 1 is threadedly coupled with screw rod 2, and can be rotated by the axis around screw rod 2, the axis along screw rod 2 is moved It is dynamic.In bolt pair in use, when being connected for two components to be passed through respective bolt hole, screw rod 2 usually therein Tail portion is worn from one of bolt hole to another bolt hole, and stretches out tail portion, then screws on nut 1, and nut 1 rotates, It is axially moveable, with mobile to close 3 direction of screw head, until screw head 3 and nut 1 are supported from the outer end of two bolts hole respectively Tightly, it and then is locked, to realize locking connection.It should be noted that specifically, wherein the structure of screw rod 2 and nut 1 is also The prior art can be referred to.
Wherein detector is used to generate the detector of detection signal, phase when nut 1 is relative to the rotation of screw rod 2 to predetermined position It answers, then when rotation is to be detached from predetermined position, does not generate detection signal, and then nut 1 is detected with respect to screw rod 2 by detector Between positional relationship, i.e. nut 1 is with respect to the relative positional relationship of screw head 3 in axial direction.
It should be noted that because movement of the nut 1 on screw rod 2 is single form, i.e., only can spiral it is mobile, with So that nut 1 can also change with respect to the angle position of screw rod 2 in 1 in axial direction adjusting position of nut, that is, needing It is mobile with the presence or absence of spiral in predetermined position relative to screw rod 2 to detect nut 1, can be through the whether opposite spiral shell of detection nut 1 Bar 2 or screw head 3 rotate, or whether detection nut 1 changes with screw head 3 or opposite 2 relative axial position of screw rod.It therefore can To be the relative axial position for detecting nut 1 and screw rod 2 by detector, measurement detection nut 1 can also be made with respect to screw head 3 Axial distance, to confirm whether nut 1 is located at pre-position.It can also be through whether opposite 2 turns of the screw rod of detection nut 1 It is dynamic, or rotated relative to screw head 3, to confirm whether nut 1 is located at predetermined position.Specific detection mode, can according to need into Row setting.
In the present embodiment, in use, the bolt pair is mounted on wind-power tower, to be used for two components of target It is locked, and the several hundred a bolt pairs of wind-power tower can be all made of the bolt pair.Then when bolt pair is locked, i.e., When nut 1 is in locking state, regarding as nut 1 at this time is predetermined position, and whether detector can be by detecting nut 1 at this time Positioned at predetermined position, to judge nut 1 whether in locking state, can quickly pass through detector acquisition testing result. In the bolt pair, in use, because the nut 1 of bolt pair can be obtained with respect to the positional relationship of screw rod 2 by detector, with So that staff without carrying out site examining and repairing, can remotely pass through the detection signal of detector, judge whether nut 1 is loose It is dynamic, it can be overhauled at any time at this time, and entire maintenance process can't impact work on the spot, therefore substantially reduce Maintenance difficulty, effectively improves working efficiency.In conclusion the bolt pair can efficiently solve scene in the prior art The problem of bolt pair maintenance inconvenience and reduction working efficiency.
As described above, the test object of detector can have a variety of, a kind of relatively simple, can be in screw rod 2 Pre-position touching switch is set, with when detector turns to predetermined position, touching detection switch is believed with detection trigger Number.It can also be the linear distance for using distance measuring sensor directly to detect nut 1 with respect to screw head 3.
Because nut 1 loosens, the distance of axial movement is very unobvious, this results in needing using very high-precision Detector, this causes testing cost very big.Based on this, detector can be opposite by detection nut 1 preferably wherein herein The rotational angle of screw head 3 or screw rod 2 to judge whether the nut 1 is detached from predetermined position, and then judges whether nut 1 pine occurs It is dynamic.
Specifically, herein preferably the detector include infrared transmitter 4 and receive infrared transmitter 4 emit it is infrared Light time forms the photo resistance 5 of detection signal, and when nut 1 is relative to the rotation of screw rod 2 to predetermined position, photo resistance 5 can be received The infrared light that the infrared transmitter 4 emits, and nut 1 with respect to the rotation of screw rod 2 to out of position when, photo resistance 5 The infrared light of infrared transmitter 4 can not be received.It should be noted that because rotational angle will not when nut 1 loosens It is excessive, 360 degree are typically not achieved, so nut 1 can be not considered from 360 or more above-mentioned predetermined position rotation.
Wherein infrared transmitter 4 is for emitting infrared light, and photo resistance therein 5 is used to receive infrared light, and works as spiral shell When mother 1 turns to predetermined position, photo resistance at this time 5 can receive the infrared light that infrared transmitter 4 emits, photosensitive at this time Triode ON inside resistance 5, to form detection signal.And when nut 1 turns to out of position, photosensitive electricity at this time Resistance 5 can not then receive the infrared light of the transmitting of infrared transmitter 4, then triode ends at this time, i.e., no longer generate detection signal. It should be noted that it is preferred that the detector be infrared distance sensor, encounter obstacle distance can use infrared signal Difference reflection intensity, carry out barrier distance detection, with can judge nut 1 whether from predetermined position rotation 360 degree with On.
Further, the setting about infrared transmitter 4 and photo resistance 5 therein, herein preferred 4 He of infrared transmitter One is arranged on nut 1 in photo resistance 5, in another setting screw head 3.Specifically, infrared transmitter 4 and photosensitive at this time Resistance 5 is arranged at the side of screw rod 2, when nut 1 is located at predetermined position, the photosensitive electricity of transmitting terminal face of infrared transmitter 4 The receiving end of resistance 5, photo resistance at this time 5 can receive the infrared light of the transmitting of infrared transmitter 4, and rotate in nut 1, so that When infrared transmitter 4 is rotated relative to photo resistance 5, the receiving end of the transmitting terminal of infrared transmitter 4 and photo resistance 5 at this time is no longer Face setting, and cause photo resistance 5 that can not receive, that is, it does not receive, the infrared light that infrared transmitter 4 emits.
Different demands, the i.e. spacing to screw head 3 and nut 1 are met according to different locking length in order to facilitate at this time From there are when different demands, preferably at least one in infrared transmitter 4 and photo resistance 5 can adjust installation position along circumferential direction It sets, can be adjusted according to the needs predetermined position.Specifically, can make to be arranged between infrared transmitter 4 and nut 1 annular sliding Road forms rotation, and then rotate to adjust circumferential installation site, and adjusting position can slide along annular slide track Afterwards, it is locked by lock-screw.
Further, in order to which all parts are preferably arranged, can also be make in screw head 3 and nut 1 one be provided with it is red External transmitter 4 and photo resistance 5, another is provided with the infrared light reflection for emitting infrared transmitter 4 to photosensitive electricity The reflecting component of resistance 5.Specifically, it is preferred that infrared transmitter 4 and the photo resistance 5 are arranged in screw head 3.Screw head 3 is opposite Position is more stable for installing component, therefore facilitates wiring.
The bolt pair provided in based on the above embodiment, the present invention also provides a kind of wind-power tower, the wind-power tower packets Any one bolt pair in above-described embodiment is included, two pieces of wind-power tower connecting plates are connected by the bolt pair.Due to the wind-powered electricity generation Tower uses the bolt pair in above-described embodiment, so the beneficial effect of the wind-power tower please refers to above-described embodiment.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (8)

1. a kind of bolt pair, including the nut that one end is provided with the screw rod of screw head and connect with the screw flight, feature exists In further including the detector for generating detection signal when the nut is rotated relative to the screw rod to predetermined position.
2. bolt pair according to claim 1, which is characterized in that the detector includes infrared transmitter and receiving The photo resistance of the detection signal is formed when the infrared transmitter transmitting infrared light, the nut is rotated relative to the screw rod When to the predetermined position, the photo resistance can receive the infrared light of the infrared transmitter transmitting, and in the nut It rotates relative to the screw rod to when deviateing the predetermined position, the photo resistance can not receive the red of the infrared transmitter Outer light.
3. bolt pair according to claim 2, which is characterized in that one in the infrared transmitter and the photo resistance A to be arranged on the nut, another is arranged in the screw head.
4. bolt pair according to claim 3, which is characterized in that in the infrared transmitter and the photo resistance at least One can adjust installation site along circumferential direction.
5. bolt pair according to claim 2, which is characterized in that in the screw head and the nut one be provided with it is described Infrared transmitter and the photo resistance, another is provided with the infrared light reflection for emitting the infrared transmitter extremely The reflecting component of the photo resistance.
6. bolt pair according to claim 5, which is characterized in that the infrared transmitter and the photo resistance are all provided with It sets in the screw head.
7. bolt pair according to claim 2, which is characterized in that the detector is infrared distance sensor.
8. a kind of wind-power tower, the connecting plate including two pieces of fitting settings, which is characterized in that further include that claim 1-7 such as appoints Bolt pair described in one, two pieces of connecting plates are connected by the bolt pair.
CN201811645906.3A 2018-12-29 2018-12-29 Bolt pair and wind power tower Pending CN109469676A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811645906.3A CN109469676A (en) 2018-12-29 2018-12-29 Bolt pair and wind power tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811645906.3A CN109469676A (en) 2018-12-29 2018-12-29 Bolt pair and wind power tower

Publications (1)

Publication Number Publication Date
CN109469676A true CN109469676A (en) 2019-03-15

Family

ID=65678038

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811645906.3A Pending CN109469676A (en) 2018-12-29 2018-12-29 Bolt pair and wind power tower

Country Status (1)

Country Link
CN (1) CN109469676A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110080951A (en) * 2019-05-29 2019-08-02 曾杰 Tower frame for wind generating set, tower connection monitoring method, terminal and readable storage medium storing program for executing
CN113821856A (en) * 2021-09-17 2021-12-21 中铁六局集团有限公司 BIM-based chord bolting bolt falling prevention method, electronic equipment and medium

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1846070A (en) * 2003-07-01 2006-10-11 埃茨纳特私人有限公司 Elastic joint element and fastener assembly incorporating the same
ES2309610T3 (en) * 2004-03-29 2008-12-16 Sfs Intec Holding Ag SCREW FOR THE ANCHORAGE OF A REINFORCED PLASTIC HOLLOW PROFILE WITH A METALLIC PROFILE IN AN INFRASTRUCTURE.
CN203548492U (en) * 2013-10-22 2014-04-16 无锡俊达测试技术服务有限公司 Self-testing connecting piece
KR20150063235A (en) * 2013-11-29 2015-06-09 주식회사 삼손 A bolt apparatus for sensing fastening state and system for monitoring construction using the same
JP2015219081A (en) * 2014-05-16 2015-12-07 株式会社共和電業 Bolt with sensor, nut with sensor, screw looseness or screw removal detection device and screw loosening or screw removal monitoring system
CN106054263A (en) * 2016-08-22 2016-10-26 杨志强 Screw loosening monitoring device and system
CN205677960U (en) * 2016-02-23 2016-11-09 王默涵 The pad that a kind of monitoring bolt loosens
CN207636057U (en) * 2018-01-02 2018-07-20 京东方科技集团股份有限公司 A kind of bolt looseness detection device
CN210050181U (en) * 2018-12-29 2020-02-11 华润电力投资有限公司北方分公司 Bolt pair and wind power tower cylinder

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1846070A (en) * 2003-07-01 2006-10-11 埃茨纳特私人有限公司 Elastic joint element and fastener assembly incorporating the same
ES2309610T3 (en) * 2004-03-29 2008-12-16 Sfs Intec Holding Ag SCREW FOR THE ANCHORAGE OF A REINFORCED PLASTIC HOLLOW PROFILE WITH A METALLIC PROFILE IN AN INFRASTRUCTURE.
CN203548492U (en) * 2013-10-22 2014-04-16 无锡俊达测试技术服务有限公司 Self-testing connecting piece
KR20150063235A (en) * 2013-11-29 2015-06-09 주식회사 삼손 A bolt apparatus for sensing fastening state and system for monitoring construction using the same
JP2015219081A (en) * 2014-05-16 2015-12-07 株式会社共和電業 Bolt with sensor, nut with sensor, screw looseness or screw removal detection device and screw loosening or screw removal monitoring system
CN205677960U (en) * 2016-02-23 2016-11-09 王默涵 The pad that a kind of monitoring bolt loosens
CN106054263A (en) * 2016-08-22 2016-10-26 杨志强 Screw loosening monitoring device and system
CN207636057U (en) * 2018-01-02 2018-07-20 京东方科技集团股份有限公司 A kind of bolt looseness detection device
CN210050181U (en) * 2018-12-29 2020-02-11 华润电力投资有限公司北方分公司 Bolt pair and wind power tower cylinder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110080951A (en) * 2019-05-29 2019-08-02 曾杰 Tower frame for wind generating set, tower connection monitoring method, terminal and readable storage medium storing program for executing
CN110080951B (en) * 2019-05-29 2020-04-21 曾杰 Wind turbine tower, tower connection monitoring method, terminal and readable storage medium
CN113821856A (en) * 2021-09-17 2021-12-21 中铁六局集团有限公司 BIM-based chord bolting bolt falling prevention method, electronic equipment and medium

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Application publication date: 20190315