CN104007717A - Method for monitoring effective depth and effective time of concrete vibration - Google Patents

Method for monitoring effective depth and effective time of concrete vibration Download PDF

Info

Publication number
CN104007717A
CN104007717A CN201410177143.XA CN201410177143A CN104007717A CN 104007717 A CN104007717 A CN 104007717A CN 201410177143 A CN201410177143 A CN 201410177143A CN 104007717 A CN104007717 A CN 104007717A
Authority
CN
China
Prior art keywords
vibrating
time
depth
degree
monitor data
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.)
Granted
Application number
CN201410177143.XA
Other languages
Chinese (zh)
Other versions
CN104007717B (en
Inventor
刘永亮
赖刚
钟桂良
刘金飞
尹习双
宋述军
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.)
PowerChina Chengdu Engineering Co Ltd
Original Assignee
PowerChina Chengdu Engineering 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 PowerChina Chengdu Engineering Co Ltd filed Critical PowerChina Chengdu Engineering Co Ltd
Priority to CN201410177143.XA priority Critical patent/CN104007717B/en
Publication of CN104007717A publication Critical patent/CN104007717A/en
Application granted granted Critical
Publication of CN104007717B publication Critical patent/CN104007717B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

The invention relates to the technology of buildings and provides a method for monitoring the effective depth and effective time of concrete vibration. The method solves the problem that no comprehensive judgment method exists in existing concrete vibration quality monitoring assessment. According to the technical scheme, the method includes the steps that when a vibrating rod is inserted into concrete, a system starts timing, vibration monitoring data are sent at regular intervals, timing is stopped until the vibrating rod is completely pulled out of concrete, and a vibration finishing instruction is sent; after a server end receives the vibration finishing instruction, the effective vibration depth, the effective vibration time, the insertion time and the pulling-out time are calculated according to the vibration monitoring data which are received before and the vibration finishing instruction, and are compared with the largest depth, the longest vibration time, the longest insertion time and the longest pulling-out time in a pre-stored process standard, whether vibration is qualified or not is judged, and a judgment result is represented to users. The method has the advantages of bringing convenience to working personnel for monitoring concrete vibration and being suitable for monitoring concrete vibration.

Description

Concrete vibrating significant depth and effective time method for supervising
Technical field
The present invention relates to Building technology, particularly concrete vibrating monitoring technique.
Background technology
Concrete vibrating is the critical process of concreting, and the monitoring of the quality of vibrating in technological process is one of important step of concrete Quality Control with controlling.Concrete vibrating refers to and carries out mechanical pudding to being discharged into the mixing concrete thing of building in storehouse, to meet designing quality requirement.The quality control of vibrating of traditional working-yard, is controlled vibrating spear insertion depth and is inserted angle by extensive empirical data simultaneously, and the duration that vibrates, the process control parameters such as spacing that vibrate, thereby guarantees that concrete vibrating is closely knit.And the actual constructing operation of vibrating is a process that lasting insertion is extracted and vibrated, a same position of vibrating even there will be insertion repeatedly to extract to vibrate, can cause like this accumulation of the vibrate degree of depth and time, merely by the vibrate degree of depth and accumulate vibrating time of the most deeply vibrating of a position of calculatings, reflection construction that can not the be scientific and reasonable process of vibrating, affected to a certain extent the evaluation of the quality of vibrating to constructing, lack at present a kind of comprehensive decision method, the vibrate degree of depth and time of work progress is monitored to evaluation.
Summary of the invention
Object of the present invention be exactly overcome current concrete vibrating quality monitoring evaluate in the shortcoming of the comprehensive decision method of neither one, provide a kind of concrete vibrating significant depth and effective time method for supervising.
The present invention solves its technical matters, and the technical scheme of employing is, concrete vibrating significant depth and effective time method for supervising, it is characterized in that, comprise the following steps:
Step 1, after vibrating spear inserts concrete, system starts timing, and to server end, sends the monitor data that vibrates at regular intervals, until vibrating spear is extracted after concrete completely, stops timing, and sends to server end the instruction of having vibrated;
Step 2, server end receive the instruction of having vibrated, and according to vibrate monitor data and the command calculations of having vibrated that receive the before degree of depth of effectively vibrating;
Step 3, server end calculate effective vibrating time, insertion time and the time of extracting;
Step 4, server end according to the degree of depth of effectively vibrating calculating, effectively vibrating time, insertion time and the time of extracting respectively with the technological specification prestoring in depth capacity, maximum vibrating time, maximum insertion time and the maximum time of extracting compare, whether judgement is vibrated qualified, and judged result is presented to user.
Further, in step 1, described in the monitor data that vibrates at least comprise the actual degree of depth of vibrating.
Concrete, described in vibrate monitor data also comprise sends monitor data time, vibrate insert angle, the orientation angles of vibrating, vibrate point coordinate position and vibrator number.
Concrete, in step 1, described certain hour is designated as Δ t;
In step 2, effectively the vibrate method of the degree of depth of described calculating is: the degree of depth of vibrating that concrete is total is designated as h, and this degree of depth of vibrating is divided into i section, be designated as respectively h1, h2, hi, h=h1+h2+ ... + hi, at each, vibrate in degree of depth section, server end all can receive the Nj bar monitor data that vibrates, vibrating time tj=Nj * Δ t of the degree of depth section of vibrating arbitrarily, total duration t=t1+t2+ that vibrates ... + ti, the quantity of the monitor data that vibrates sending in the whole process of vibrating is N=N1+N2+ ... + Ni, whole, vibrate in process, the computing formula of the significant depth of vibrating D is:
D=(h1×P1+h2×P2+…+hi×Pi)
=(h1×t1/T+h2×t2/T+…+hi×ti/T)
=(h1×N1+h2×N2+…+hi×Ni)×△t/T
=(h1×N1+h2×N2+…+hi×Ni)/(N1+N2+…+Ni)
Wherein, Pj=Nj/N, refers to the j section weighing factor of the degree of depth to the whole significant depth of vibrating that vibrate, and i is positive integer, and j is the positive integer that is less than or equal to i.
Further, in step 3, calculate effective vibrating time, the method of insertion time and the time of extracting is: the monitor data that vibrates sending for the first time, server end is thought the data of vibrating under insertion state, when sending the monitor data that vibrates for the second time, start, server end receives the monitor data that vibrates at every turn and all judges the degree of depth of once vibrating before whether this degree of depth of vibrating is greater than, if the degree of depth of once vibrating before being greater than is judged to be insertion state, otherwise for extracting state, when being insertion state, and the degree of depth of vibrating is less than while vibrating significant depth, the monitor data that vibrates now receiving is insertion process monitor data, when for extracting state, and the degree of depth of vibrating is less than while vibrating significant depth, and the monitor data that vibrates now receiving is withdrawal process monitor data, when the degree of depth of vibrating is greater than while vibrating significant depth, the monitor data that vibrates now receiving is for the process monitoring data of effectively vibrating, add up respectively insertion process monitor data number M 1, withdrawal process monitor data number M -1with the process monitoring data number M that effectively vibrates 0, calculate effective vibrating time K, effectively insert time K 1and effectively extract time K -1, its computing method are respectively:
K=M×△t
K 1=M 1×△t
K -1=M -1×△t。
Further, in step 4, judgement is vibrated, and whether qualified method is:
By the depth D of effectively vibrating, compare with the depth capacity Hs in the technological specification prestoring, when D >=Hs, be judged to be the degree of depth of vibrating qualified, when D<Hs, be judged to be the degree of depth of vibrating defective;
By the maximum vibrating time T in effective vibrating time K and the technological specification that prestores scompare, as K>=T stime, be judged to be vibrating time qualified, work as K<T stime, be judged to be vibrating time defective;
By effective insertion time K 1insert time T with the maximum in the technological specification prestoring dcompare, work as K 1>=T dtime, be judged to be the insertion time qualified, work as K 1<T dtime, be judged to be insertion too fast;
By effectively extracting time K -1extract time T with the maximum in the technological specification prestoring ucompare, work as K -1>=T utime, be judged to be the time of extracting qualified, work as K -1<T utime, be judged to be extract too fast.
The invention has the beneficial effects as follows, by above-mentioned concrete vibrating significant depth and effective time method for supervising, considered insertion time and the time of extracting, calculate effectively the vibrate degree of depth and effective vibrating time etc., facilitate staff to monitor.
Embodiment
Below in conjunction with embodiment, describe technical scheme of the present invention in detail.
In concrete vibrating significant depth of the present invention and effective time method for supervising, first when vibrating spear inserts after concrete, system starts timing, and to server end, send the monitor data that vibrates at regular intervals, until vibrating spear is extracted after concrete completely, stop timing, and send to server end the instruction of having vibrated, server end receives and has vibrated after instruction, according to vibrate monitor data and the command calculations of having vibrated that receive the before degree of depth of effectively vibrating, calculate again effective vibrating time, insertion time and the time of extracting, last according to the degree of depth of effectively vibrating calculating, effective vibrating time, insertion time and the time of extracting respectively with the technological specification prestoring in depth capacity, maximum vibrating time, maximum insertion time and the maximum time of extracting compare, whether judgement is vibrated qualified, and judged result is presented to user.
Embodiment
In the embodiment of the present invention concrete vibrating significant depth and effective time method for supervising, comprise the following steps:
Step 1, after vibrating spear inserts concrete, system starts timing, and to server end, sends the monitor data that vibrates at regular intervals, until vibrating spear is extracted after concrete completely, stops timing, and sends to server end the instruction of having vibrated.
In this step, the monitor data that vibrates at least comprises the actual degree of depth of vibrating, and can also comprise and send the time of monitor data, vibrate insertion angle, the orientation angles of vibrating, the information such as point coordinate position and vibrator numbering of vibrating, and in this example, certain hour is designated as to Δ t.
Step 2, server end receive the instruction of having vibrated, and according to vibrate monitor data and the command calculations of having vibrated that receive the before degree of depth of effectively vibrating.
In this step, the method of calculating the degree of depth of effectively vibrating is: the degree of depth of vibrating that concrete is total is designated as h, and this degree of depth of vibrating is divided into i section, be designated as respectively h1, h2, hi, h=h1+h2+ ... + hi, at each, vibrate in degree of depth section, server end all can receive the Nj bar monitor data that vibrates, vibrating time tj=Nj * Δ t of the degree of depth section of vibrating arbitrarily, total duration t=t1+t2+ that vibrates ... + ti, the quantity of the monitor data that vibrates sending in the whole process of vibrating is N=N1+N2+ ... + Ni, whole, vibrate in process, the computing formula of the significant depth of vibrating D is:
D=(h1×P1+h2×P2+…+hi×Pi)
=(h1×t1/T+h2×t2/T+…+hi×ti/T)
=(h1×N1+h2×N2+…+hi×Ni)×△t/T
=(h1×N1+h2×N2+…+hi×Ni)/(N1+N2+…+Ni)
Wherein, Pj=Nj/N, refers to the j section weighing factor of the degree of depth to the whole significant depth of vibrating that vibrate, and i is positive integer, and j is the positive integer that is less than or equal to i.
Step 3, server end calculate effective vibrating time, insertion time and the time of extracting.
In this step, calculate effective vibrating time, the method of insertion time and the time of extracting is: the monitor data that vibrates sending for the first time, server end is thought the data of vibrating under insertion state, when sending the monitor data that vibrates for the second time, start, server end receives the monitor data that vibrates at every turn and all judges the degree of depth of once vibrating before whether this degree of depth of vibrating is greater than, if the degree of depth of once vibrating before being greater than is judged to be insertion state, otherwise for extracting state, when being insertion state, and the degree of depth of vibrating is less than while vibrating significant depth, the monitor data that vibrates now receiving is insertion process monitor data, when for extracting state, and the degree of depth of vibrating is less than while vibrating significant depth, and the monitor data that vibrates now receiving is withdrawal process monitor data, when the degree of depth of vibrating is greater than while vibrating significant depth, the monitor data that vibrates now receiving is for the process monitoring data of effectively vibrating, add up respectively insertion process monitor data number M 1, withdrawal process monitor data number M -1with the process monitoring data number M that effectively vibrates 0, calculate effective vibrating time K, effectively insert time K 1and effectively extract time K -1, its computing method are respectively:
K=M×△t
K 1=M 1×△t
K -1=M -1×△t。
Step 4, server end according to the degree of depth of effectively vibrating calculating, effectively vibrating time, insertion time and the time of extracting respectively with the technological specification prestoring in depth capacity, maximum vibrating time, maximum insertion time and the maximum time of extracting compare, whether judgement is vibrated qualified, and judged result is presented to user.
In this step, judgement is vibrated, and whether qualified method is:
By the depth D of effectively vibrating, compare with the depth capacity Hs in the technological specification prestoring, when D >=Hs, be judged to be the degree of depth of vibrating qualified, when D<Hs, be judged to be the degree of depth of vibrating defective;
By the maximum vibrating time T in effective vibrating time K and the technological specification that prestores scompare, as K>=T stime, be judged to be vibrating time qualified, work as K<T stime, be judged to be vibrating time defective;
By effective insertion time K 1insert time T with the maximum in the technological specification prestoring dcompare, work as K 1>=T dtime, be judged to be the insertion time qualified, work as K 1<T dtime, be judged to be insertion too fast;
By effectively extracting time K -1extract time T with the maximum in the technological specification prestoring ucompare, work as K -1>=T utime, be judged to be the time of extracting qualified, work as K -1<T utime, be judged to be extract too fast.

Claims (6)

  1. Concrete vibrating significant depth and effective time method for supervising, it is characterized in that, comprise the following steps:
    Step 1, after vibrating spear inserts concrete, system starts timing, and to server end, sends the monitor data that vibrates at regular intervals, until vibrating spear is extracted after concrete completely, stops timing, and sends to server end the instruction of having vibrated;
    Step 2, server end receive the instruction of having vibrated, and according to vibrate monitor data and the command calculations of having vibrated that receive the before degree of depth of effectively vibrating;
    Step 3, server end calculate effective vibrating time, insertion time and the time of extracting;
    Step 4, server end according to the degree of depth of effectively vibrating calculating, effectively vibrating time, insertion time and the time of extracting respectively with the technological specification prestoring in depth capacity, maximum vibrating time, maximum insertion time and the maximum time of extracting compare, whether judgement is vibrated qualified, and judged result is presented to user.
  2. Concrete vibrating significant depth as claimed in claim 1 and effective time method for supervising, it is characterized in that, in step 1, described in the monitor data that vibrates at least comprise the actual degree of depth of vibrating.
  3. Concrete vibrating significant depth as claimed in claim 2 and effective time method for supervising, it is characterized in that, described in vibrate monitor data also comprise send monitor data time, vibrate insert angle, the orientation angles of vibrating, vibrate point coordinate position and vibrator numbering.
  4. Concrete vibrating significant depth as described in claim 1 or 2 or 3 and effective time method for supervising, it is characterized in that, in step 1, described certain hour is designated as Δ t;
    In step 2, effectively the vibrate method of the degree of depth of described calculating is: the degree of depth of vibrating that concrete is total is designated as h, and this degree of depth of vibrating is divided into i section, be designated as respectively h1, h2, hi, h=h1+h2+ ... + hi, at each, vibrate in degree of depth section, server end all can receive the Nj bar monitor data that vibrates, vibrating time tj=Nj * Δ t of the degree of depth section of vibrating arbitrarily, total duration t=t1+t2+ that vibrates ... + ti, the quantity of the monitor data that vibrates sending in the whole process of vibrating is N=N1+N2+ ... + Ni, whole, vibrate in process, the computing formula of the significant depth of vibrating D is:
    D=(h1×P1+h2×P2+…+hi×Pi)
    =(h1×t1/T+h2×t2/T+…+hi×ti/T)
    =(h1×N1+h2×N2+…+hi×Ni)×△t/T
    =(h1×N1+h2×N2+…+hi×Ni)/(N1+N2+…+Ni)
    Wherein, Pj=Nj/N, refers to the j section weighing factor of the degree of depth to the whole significant depth of vibrating that vibrate, and i is positive integer, and j is the positive integer that is less than or equal to i.
  5. Concrete vibrating significant depth as claimed in claim 4 and effective time method for supervising, it is characterized in that, in step 3, calculate effective vibrating time, the method of insertion time and the time of extracting is: the monitor data that vibrates sending for the first time, server end is thought the data of vibrating under insertion state, when sending the monitor data that vibrates for the second time, start, server end receives the monitor data that vibrates at every turn and all judges the degree of depth of once vibrating before whether this degree of depth of vibrating is greater than, if the degree of depth of once vibrating before being greater than is judged to be insertion state, otherwise for extracting state, when being insertion state, and the degree of depth of vibrating is less than while vibrating significant depth, the monitor data that vibrates now receiving is insertion process monitor data, when for extracting state, and the degree of depth of vibrating is less than while vibrating significant depth, and the monitor data that vibrates now receiving is withdrawal process monitor data, when the degree of depth of vibrating is greater than while vibrating significant depth, the monitor data that vibrates now receiving is for the process monitoring data of effectively vibrating, add up respectively insertion process monitor data number M 1, withdrawal process monitor data number M -1with the process monitoring data number M that effectively vibrates 0, calculate effective vibrating time K, effectively insert time K 1and effectively extract time K -1, its computing method are respectively:
    K=M×△t
    K 1=M 1×△t
    K -1=M -1×△t。
  6. Concrete vibrating significant depth as claimed in claim 5 and effective time method for supervising, it is characterized in that, in step 4, judgement vibrates whether qualified method is:
    By the depth D of effectively vibrating, compare with the depth capacity Hs in the technological specification prestoring, when D >=Hs, be judged to be the degree of depth of vibrating qualified, when D<Hs, be judged to be the degree of depth of vibrating defective;
    By the maximum vibrating time T in effective vibrating time K and the technological specification that prestores scompare, as K>=T stime, be judged to be vibrating time qualified, work as K<T stime, be judged to be vibrating time defective;
    By effective insertion time K 1insert time T with the maximum in the technological specification prestoring dcompare, work as K 1>=T dtime, be judged to be the insertion time qualified, work as K 1<T dtime, be judged to be insertion too fast;
    By effectively extracting time K -1extract time T with the maximum in the technological specification prestoring ucompare, work as K -1>=T utime, be judged to be the time of extracting qualified, work as K -1<T utime, be judged to be extract too fast.
CN201410177143.XA 2014-04-29 2014-04-29 Method for monitoring effective depth and effective time of concrete vibration Active CN104007717B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410177143.XA CN104007717B (en) 2014-04-29 2014-04-29 Method for monitoring effective depth and effective time of concrete vibration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410177143.XA CN104007717B (en) 2014-04-29 2014-04-29 Method for monitoring effective depth and effective time of concrete vibration

Publications (2)

Publication Number Publication Date
CN104007717A true CN104007717A (en) 2014-08-27
CN104007717B CN104007717B (en) 2017-01-18

Family

ID=51368423

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410177143.XA Active CN104007717B (en) 2014-04-29 2014-04-29 Method for monitoring effective depth and effective time of concrete vibration

Country Status (1)

Country Link
CN (1) CN104007717B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104299381A (en) * 2014-10-08 2015-01-21 中国电建集团成都勘测设计研究院有限公司 Operation pre-warning method of vibration equipment
CN104330987A (en) * 2014-10-08 2015-02-04 中国电建集团成都勘测设计研究院有限公司 Method for detecting working state of vibrating machine
CN104460473A (en) * 2014-10-30 2015-03-25 中国电建集团成都勘测设计研究院有限公司 Concrete effective vibration time monitoring method
CN106707932A (en) * 2016-12-29 2017-05-24 天津大学 Visual real-time monitoring system and method for vibration quality of normal state concrete

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011183455A (en) * 2010-02-08 2011-09-22 Prima Industrie Spa Method for monitoring quality of laser machining process and system corresponding to the same
CN103148824A (en) * 2013-03-11 2013-06-12 中国水电顾问集团成都勘测设计研究院 Intelligent detection method for vibration effective depth
CN203113805U (en) * 2013-03-04 2013-08-07 中国水电顾问集团成都勘测设计研究院 Handheld-type concrete vibrator
CN103309306A (en) * 2013-05-15 2013-09-18 中国水电顾问集团成都勘测设计研究院 Concrete vibration quality monitoring and communication networking method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011183455A (en) * 2010-02-08 2011-09-22 Prima Industrie Spa Method for monitoring quality of laser machining process and system corresponding to the same
CN203113805U (en) * 2013-03-04 2013-08-07 中国水电顾问集团成都勘测设计研究院 Handheld-type concrete vibrator
CN103148824A (en) * 2013-03-11 2013-06-12 中国水电顾问集团成都勘测设计研究院 Intelligent detection method for vibration effective depth
CN103309306A (en) * 2013-05-15 2013-09-18 中国水电顾问集团成都勘测设计研究院 Concrete vibration quality monitoring and communication networking method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
邢德勇等: "平仓振捣机计时报警器的研制与应用", 《中国三峡建设》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104299381A (en) * 2014-10-08 2015-01-21 中国电建集团成都勘测设计研究院有限公司 Operation pre-warning method of vibration equipment
CN104330987A (en) * 2014-10-08 2015-02-04 中国电建集团成都勘测设计研究院有限公司 Method for detecting working state of vibrating machine
CN104460473A (en) * 2014-10-30 2015-03-25 中国电建集团成都勘测设计研究院有限公司 Concrete effective vibration time monitoring method
CN104460473B (en) * 2014-10-30 2017-04-05 中国电建集团成都勘测设计研究院有限公司 Concrete vibrating effective time monitoring method
CN106707932A (en) * 2016-12-29 2017-05-24 天津大学 Visual real-time monitoring system and method for vibration quality of normal state concrete

Also Published As

Publication number Publication date
CN104007717B (en) 2017-01-18

Similar Documents

Publication Publication Date Title
CN104007717A (en) Method for monitoring effective depth and effective time of concrete vibration
GB2575294A8 (en) Host Proxy On Gateway
TW200617680A (en) Establishing command order in an out of order DMA command queue
WO2014052246A3 (en) Method for electronic temperature controlled curing of concrete and accelerating concrete maturity or equivalent age of precast concrete structures and objects and apparatus for same
EP2372542A3 (en) Virtual machine, virtual machine monitor and computer control method
WO2012021328A3 (en) Methods and systems for extreme capacity management
CN104008272A (en) Concrete vibration visual monitoring method based on computer graphic technology
WO2010102110A3 (en) Methods, system and computer program product for delivering well data
WO2013115565A3 (en) Method for managing virtual machine and device therefor
NZ630813A (en) A computerized authorization system and method
CN104317263A (en) Concrete construction vibration trajectory control method
JP2008117145A (en) Information processor
CN106412088B (en) A kind of method of data synchronization and terminal
CN106284979A (en) A kind of shear wall formwork installs root angle steel device
CN105075155B (en) Automation equipment and method for reducing time jitter
JP2007199829A5 (en)
EP1939741A3 (en) Resource management apparatus and radio network controller
CN105159162B (en) The processing method of non-metering data in metering system
CN103425058A (en) Timing method, central processing unit and electronic device
CN108661198A (en) Cut down the reversed abatement device and method of floor inertia levels power during earthquake
CN106168794B (en) Remote control method and device for mixing station
JP2008310449A5 (en)
CN107506214A (en) The update method and more new system of a kind of group system controller
RU2015142654A (en) REMOTE DIGITAL CONTENT INSTALLATION
CN204054321U (en) Concrete prefabricated board production system and vibration control system thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Liu Yongliang

Inventor after: Lai Gang

Inventor after: Zhong Guiliang

Inventor after: Zhu Chen

Inventor after: Liu Jinfei

Inventor after: Yin Xishuang

Inventor after: Song Shujun

Inventor before: Liu Yongliang

Inventor before: Lai Gang

Inventor before: Zhong Guiliang

Inventor before: Liu Jinfei

Inventor before: Yin Xishuang

Inventor before: Song Shujun

CB03 Change of inventor or designer information