CN204435376U - A kind of intelligent pile machine equipment - Google Patents

A kind of intelligent pile machine equipment Download PDF

Info

Publication number
CN204435376U
CN204435376U CN201520095510.1U CN201520095510U CN204435376U CN 204435376 U CN204435376 U CN 204435376U CN 201520095510 U CN201520095510 U CN 201520095510U CN 204435376 U CN204435376 U CN 204435376U
Authority
CN
China
Prior art keywords
stake
pressure
hydraulic
drilling rod
pile
Prior art date
Application number
CN201520095510.1U
Other languages
Chinese (zh)
Inventor
王国富
路林海
康学超
Original Assignee
济南轨道交通集团有限公司
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 济南轨道交通集团有限公司 filed Critical 济南轨道交通集团有限公司
Priority to CN201520095510.1U priority Critical patent/CN204435376U/en
Application granted granted Critical
Publication of CN204435376U publication Critical patent/CN204435376U/en

Links

Abstract

The utility model relates to a kind of intelligent pile machine equipment.Comprise: mast guide rail, mast guide rail is provided with unit head, actuating unit and guide base from top to bottom successively; Be provided with stake in guide base, actuating unit drives stake to move; Stake is provided with laser photosensitive element; With the merogenesis drilling rod that described unit head is suitable, merogenesis drilling rod lower end arranges augers, and unit head drives augers boring by merogenesis drilling rod; Merogenesis drilling rod is also separately installed with nozzle and soil pressure case, and underground soil pressure monitoring situation is fed back to whitewashing control system by soil pressure case, and whitewashing control system controls high-pressure pump output matching pressure makes mud be gone out by nozzle churning.In this equipment, by the combination of various structures, make the whole pile-formation process process of the piling of this equipment collection, pile extension and slip casting.Save working space, equipment cost, increase work efficiency.The bearing capacity evaluation of the stake in pile extension process, the verticality monitoring of stake and deviation-correcting function can be realized simultaneously, ensure pile quality.

Description

A kind of intelligent pile machine equipment

Technical field

The utility model relates to a machine engineering equipment field, specifically, relates to a kind of intelligent pile machine equipment.

Background technology

At present, existing various pile press functionalization is single, and piling, formation of pile need plurality of devices to coordinate, so exist, work requisite space is large, efficiency is low, high in cost of production various problems.In formation of pile, be not easy to verticality monitoring, be also not easy to taper pile correction, just cause the situation that error after pile is larger.

Therefore, how designing a kind of brand-new device, can have piling, slip casting, verticality monitoring function, and taper pile can be rectified a deviation, is that those skilled in the art need solution badly.

Utility model content

The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provides a kind of intelligent pile machine equipment.This equipment, in piling process, can realize verticality monitoring and taper pile deviation-correcting function, and can carry out slip casting after piling puts in place, greatly improve operating efficiency.

In order to reach above-mentioned purpose, the utility model adopts following technical scheme:

A kind of intelligent pile machine equipment, comprising:

Mast guide rail, mast guide rail is provided with unit head, actuating unit and guide base from top to bottom successively;

Be provided with stake in described guide base, actuating unit drives stake to move;

With the merogenesis drilling rod that described unit head is suitable, merogenesis drilling rod lower end arranges augers, and unit head drives augers boring by merogenesis drilling rod; Merogenesis drilling rod is also separately installed with nozzle and soil pressure case, and underground soil pressure monitoring situation is fed back to whitewashing control system by soil pressure case, and whitewashing control system makes mud be gone out by nozzle churning according to FEEDBACK CONTROL high-pressure pump output matching pressure.

Preferably, described actuating unit comprises upper strata axial hydraulic system, lower floor's axial hydraulic system and hydraulic radial system;

Upper strata axial hydraulic system is connected with mast guide rail respectively with lower floor axial hydraulic system;

Upper strata axial hydraulic system drives stake to move by shaft end pressure plate;

Lower floor's axial hydraulic system is connected with hydraulic radial system, and hydraulic radial system clamps stake by pressure device.

Preferably, arbitrary axial hydraulic system is all provided with pressure sensor and position sensor, pressure sensor and position sensor by signal transmission to pressure-bearing evaluating system.

Preferably, described axial pressing plate also can be flexibly connected with correction bar;

Described stake is provided with laser photosensitive element;

Correction bar and merogenesis drill bit are all provided with the laser ranging system suitable with described laser photosensitive element, arbitrary laser ranging system all by signal transmission to Deviation Angle Analysis system, Deviation Angle Analysis system is by signal transmission to torque analysis system, and torque analysis system provides correction torque signals for pneumatic control system.

Preferably, the lower end of described correction bar is provided with multiple air bag, and air bag is by pneumatic control system control realization inflation/deflation.

This programme additionally provides the method utilizing above-mentioned intelligent pile machine equipment, comprises the steps:

A. hydraulic radial system drive pressure device is tight by pile holder, and lower floor's axial hydraulic system is pressed down by the stake of hydraulic radial system drive; Power transmission is holed to augers precession by motor;

B. when the laser ranging system of merogenesis drilling rod lower end reaches desired location, motor stalling, laser ranging system is found range to laser photosensitive element Emission Lasers, and by signal transmission to Deviation Angle Analysis system;

C. the drift angle of Deviation Angle Analysis system-computed piling, if drift angle is within the scope of allowable error, then control system of whitewashing transmits the signal come by soil pressure case, is sprayed by mud by controlling high-pressure pump from nozzle;

In whitewashing process, merogenesis drilling rod continues to rise.

In said method, preferably, in described step C, if declination error exceedes allowable error, then merogenesis drilling rod is split out, correction bar is installed in stake;

Correction moment size and distribution is drawn by torque analysis control system, the appointment airbag aeration distributed to correction bar outer wall by pneumatic control system, by air bag, micro-correction is carried out to the extruding force of stake inwall, by the up-to-date tilt angle information of laser ranging system Real-time Feedback on correction bar in correction process, when angle of slope reaches in tolerance, correction completes, then pneumatic control system is by all air bags, dismounting correction bar, installs merogenesis drilling rod, repeats steps A.

In said method, preferably, in described step C, Deviation Angle Analysis system is according to the drift angle of following formulae discovery piling:

Wherein: for angle of slope, L 1for laser ranging value, L 2for laser ranging system under the straight positive status of stake is to laser photosensitive element gauged distance, for laser photosensitive element is to the vertical distance of piling stake end.

This programme additionally provides another kind of equipment, is specially:

A kind of intelligent pile machine equipment, comprise the hydraulic power head be arranged on mast guide rail, the hydraulic push rod that hydraulic power head stretches out is provided with boss, boss is provided with magnetic pothook, magnetic pothook is hung with weight, and electromagnetic control system controls the folding of magnetic pothook;

The lower end of mast guide rail is provided with guide base, is provided with stake in guide base;

The upper end of described stake is provided with pile cover, and pile cover is provided with position sensor, and pile cover is connected with mast slide by slippage bracket, slippage bracket is provided with Large strain monitoring device; Described position sensor is connected with pressure-bearing evaluating system respectively with Large strain monitoring device.

This programme additionally provides the method applying above-mentioned intelligent pile machine equipment, comprises the steps:

A. weight is driven to arrive hammering distance to a declared goal by hydraulic push rod;

B. control magnetic pothook by electromagnetic control system to break off relations, complete hammering;

C. hydraulic push rod is near weight, controls magnetic pothook and hangs up weight, repeat steps A by electromagnetic control system.

The beneficial effects of the utility model are: realize the whole pile-formation process processes such as piling, pile extension, slip casting.Significantly save working space, equipment cost, increase work efficiency.The bearing capacity evaluation of the stake in pile extension process, the verticality monitoring of stake and deviation-correcting function can be realized simultaneously, ensure pile quality.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is that pressure device installs top view;

Fig. 3 is the utility model rectification work schematic diagram;

Fig. 4 is the partial enlarged drawing at A place in Fig. 1;

Fig. 5 is the structural representation of the another kind of equipment of the utility model;

In figure, 1, unit head, 2, pressure device, 3, interior sleeve clamp, 4, hydraulic radial system, 5, lower floor's axial hydraulic system, 6, merogenesis drilling rod, 7, augers, 8, nozzle, 9, guide base, 10, soil pressure case, 11, whitewashing control system, 12, high-pressure pump, 13, air bag, 14, laser ranging system, 15, pressure sensor, 16, position sensor, 17, pressure-bearing evaluating system, 18, Deviation Angle Analysis system, 19, torque analysis control system, 20, pneumatic control system, 21, laser photosensitive element, 22, stake end clamp plate, 23, correction bar, 24, upper strata axial hydraulic system, b-1, hydraulic power head, b-2, hydraulic push rod, b-3, boss, b-4, pile cover, b-5, Large strain monitoring device, b-6, position sensor, c-1, magnetic pothook, c-2, weight, c-3, electromagnetic control system.

Detailed description of the invention

Below in conjunction with accompanying drawing, implementation method of the present utility model is elaborated:

As Figure 1-4, a kind of intelligent pile machine equipment, comprising:

Mast guide rail, mast guide rail is provided with unit head 1, actuating unit and guide base 9 from top to bottom successively;

Be provided with stake in described guide base 9, actuating unit drives stake to move;

Stake is provided with fabrication hole, laser photosensitive element 21 is installed in fabrication hole;

With the merogenesis drilling rod 6 that described unit head is suitable, merogenesis drilling rod 6 lower end arranges augers 7, and unit head 1 drives augers 7 to hole by merogenesis drilling rod 6; Merogenesis drilling rod 6 is also separately installed with nozzle 8 and soil pressure case 10, underground soil pressure monitoring situation is fed back to whitewashing control system 11 by soil pressure case 10, and whitewashing control system 11 makes mud be gone out by nozzle 8 churning according to FEEDBACK CONTROL high-pressure pump 12 output matching pressure.

Wherein, unit head can select motor, drives merogenesis drilling rod 6 to rotate by motor by speed changer (reductor).

Described actuating unit comprises upper strata axial hydraulic system 24, lower floor's axial hydraulic system 5 and hydraulic radial system 4;

Upper strata axial hydraulic system 24 is connected with mast guide rail respectively with lower floor axial hydraulic system 5;

Upper strata axial hydraulic system 24 drives stake to move by shaft end pressure plate 22;

Lower floor's axial hydraulic system 5 is connected with hydraulic radial system 4, and hydraulic radial system 4 clamps stake (being provided with dismountable interior sleeve clamp 3 in pressure device 2) by pressure device 2.

Arbitrary axial hydraulic system is all provided with pressure sensor 15 and position sensor 16, pressure sensor 15 and position sensor 16 by signal transmission to pressure-bearing evaluating system 17.

Described axial pressing plate 22 also can be flexibly connected with bar 23 of being rectified a deviation by bolt;

Correction bar 23 and merogenesis drill bit 6 are all provided with the laser ranging system 14 suitable with described laser photosensitive element 21, arbitrary laser ranging system 21 all by signal transmission to Deviation Angle Analysis system 18, Deviation Angle Analysis system 18 is by signal transmission to torque analysis system 19, and torque analysis system 19 provides correction torque signals for pneumatic control system 20.

The lower end of described correction bar 23 is provided with multiple air bag 13, and arbitrary air bag 13 is all by pneumatic control system 20 control realization inflation/deflation.

This programme additionally provides the method utilizing above-mentioned intelligent pile machine equipment, comprises the steps:

Piling:

A. hydraulic radial system 4 drives pressure device 3 that pile holder is tight, and lower floor's axial hydraulic system 24 drives stake to press down by hydraulic radial system 4; The process that presses down is by pressure sensor 15 and position sensor 16 real time record piling pressure and press down stroke, and record is fed back to the bearing capacity evaluation that pressure-bearing evaluating system 17 carries out stake; Power transmission is holed to augers 7 precession by motor simultaneously;

After pressing down stroke, hydraulic radial system 4 drives interior sleeve clamp 3 to unclamp, and lower floor's axial hydraulic system 5 drives pressure device 2 backhaul, carries out the next one and embraces pressure circulation.

If make the interior sleeve clamp 3 of pressure device be in releasing orientation always, and the process that presses down of stake is the words utilizing upper strata axial hydraulic system 24 to be transmitted downforce by stake end clamp plate 22, equipment just transforms in order to stake end axial compression mode, and it draws hole mode, bearing capacity evaluation mode is identical with armful pressure mode.

Pile extension.

For the deflection preventing the impact of piling process from causing piling, must monitor the verticality of pile extension process.

During pile extension, merogenesis drilling rod 6 at every precession certain depth, when also namely pressing down certain distance, in good time backhaul casting.In backhaul, when the laser ranging system 14 of merogenesis drilling rod 6 lower end arrive pile pressing technology hole site time, stall, laser ranging system 14 is to laser photosensitive element 21 Emission Lasers in fabrication hole, the distance of point-to-point transmission is drawn by the induction feedback of laser photosensitive element 21, and be transferred to Deviation Angle Analysis system 18, the drift angle of piling is gone out through following formulae discovery;

If drift angle is within the scope of allowable error, then control system of whitewashing transmits the signal come by soil pressure case, is sprayed by mud by controlling high-pressure pump from nozzle;

In whitewashing process, merogenesis drilling rod 6 continues to rise.

Wherein: for angle of slope, L 1for laser ranging value, L 2for laser ranging system under the straight positive status of stake 14 is to laser photosensitive element gauged distance, H is the vertical distance of laser photosensitive element to piling stake end.

If declination error exceedes allowable error, then merogenesis drilling rod 6 is split out, correction bar 23 is installed in stake, carry out trace correction;

In correction process, correction moment size and distribution is drawn by torque analysis control system 19, the appointment air bag 13 distributed to correction bar 23 outer wall by pneumatic control system 20 is inflated, by air bag 13, micro-correction is carried out to the extruding force of stake inwall, realize the extruding moment needed for correction, complete micro-correction object.Correction bar 23 lower end there are also installed the laser ranging system 14 identical with merogenesis drilling rod 6, can the up-to-date tilt angle information of Real-time Feedback in correction process, when angle of slope reaches in tolerance, stops correction.Pneumatic control system 20 sends exhaust instruction to air bag 13, and air bag 13 restPoses again, removes correction bar 23, installs merogenesis drilling rod 6, continue piling, pile extension.

As shown in Figure 5, this programme additionally provides another kind of intelligent pile machine equipment, comprise the hydraulic power head b-1 be arranged on mast guide rail, the hydraulic push rod b-2 that hydraulic power head b-1 stretches out is provided with boss b-3, boss b-3 is provided with magnetic pothook c-1, magnetic pothook c-1 is hung with weight c-2, electromagnetic control system c-3 controls the folding of magnetic pothook c-1;

The lower end of mast guide rail is provided with guide base 9, is provided with stake in guide base 9;

The upper end of described stake is provided with pile cover b-4, pile cover b-4 is provided with position sensor b-6, and pile cover b-4 is connected with mast slide by slippage bracket, slippage bracket is provided with Large strain monitoring device b-5; Described position sensor b-6 is connected with pressure-bearing evaluating system 17 respectively with Large strain monitoring device b-5.

This programme additionally provides the method applying above-mentioned intelligent pile machine equipment, comprises the steps:

A. weight c-2 is driven to arrive hammering distance to a declared goal by hydraulic push rod b-2;

B. control magnetic pothook c-1 by electromagnetic control system 17 to break off relations, complete hammering;

C. hydraulic push rod b-2 is near weight c-2, controls magnetic pothook c-1 and hangs up weight c-2, repeat steps A by electromagnetic control system 17.

In the said equipment, pile pressing device is hammering, can obtain larger downforce, is convenient in hard geology piling.

By reference to the accompanying drawings detailed description of the invention of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.The part be not described in detail in this programme is prior art, does not also repeat at this.

Claims (6)

1. an intelligent pile machine equipment, is characterized in that, comprising:
Mast guide rail, mast guide rail is provided with unit head, actuating unit and guide base from top to bottom successively;
Be provided with stake in described guide base, actuating unit drives stake to move;
With the merogenesis drilling rod that described unit head is suitable, merogenesis drilling rod lower end arranges augers, and unit head drives augers boring by merogenesis drilling rod; Merogenesis drilling rod is also separately installed with nozzle and soil pressure case, and underground soil pressure monitoring situation is fed back to whitewashing control system by soil pressure case, and whitewashing control system makes mud be gone out by nozzle churning according to FEEDBACK CONTROL high-pressure pump output matching pressure.
2. intelligent pile machine equipment according to claim 1, is characterized in that, described actuating unit comprises upper strata axial hydraulic system, lower floor's axial hydraulic system and hydraulic radial system;
Upper strata axial hydraulic system is connected with mast guide rail respectively with lower floor axial hydraulic system;
Upper strata axial hydraulic system drives stake to move by shaft end pressure plate;
Lower floor's axial hydraulic system and hydraulic radial system are to being connected, and hydraulic radial system clamps stake by pressure device.
3. intelligent pile machine equipment according to claim 2, is characterized in that, arbitrary axial hydraulic system is all provided with pressure sensor and position sensor, pressure sensor and position sensor by signal transmission to pressure-bearing evaluating system.
4. intelligent pile machine equipment according to claim 2, is characterized in that, described axial pressing plate also can be flexibly connected with correction bar;
Described stake is provided with laser photosensitive element;
Correction bar and merogenesis drill bit are all provided with the laser ranging system suitable with described laser photosensitive element, arbitrary laser ranging system all by signal transmission to Deviation Angle Analysis system, Deviation Angle Analysis system is by signal transmission to torque analysis system, and torque analysis system provides correction torque signals for pneumatic control system.
5. intelligent pile machine equipment according to claim 4, is characterized in that, the lower end of described correction bar is provided with multiple air bag, and air bag is by pneumatic control system control realization inflation/deflation.
6. an intelligent pile machine equipment, it is characterized in that, comprise: be arranged on the hydraulic power head on mast guide rail, the hydraulic push rod that hydraulic power head stretches out is provided with boss, boss is provided with magnetic pothook, magnetic pothook is hung with weight, and electromagnetic control system controls the folding of magnetic pothook;
The lower end of mast guide rail is provided with guide base, is provided with stake in guide base;
The upper end of described stake is provided with pile cover, and pile cover is provided with position sensor, and pile cover is connected with mast slide by slippage bracket, slippage bracket is provided with Large strain monitoring device; Described position sensor is connected with pressure-bearing evaluating system respectively with Large strain monitoring device.
CN201520095510.1U 2015-02-10 2015-02-10 A kind of intelligent pile machine equipment CN204435376U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520095510.1U CN204435376U (en) 2015-02-10 2015-02-10 A kind of intelligent pile machine equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520095510.1U CN204435376U (en) 2015-02-10 2015-02-10 A kind of intelligent pile machine equipment

Publications (1)

Publication Number Publication Date
CN204435376U true CN204435376U (en) 2015-07-01

Family

ID=53603263

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520095510.1U CN204435376U (en) 2015-02-10 2015-02-10 A kind of intelligent pile machine equipment

Country Status (1)

Country Link
CN (1) CN204435376U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104652435A (en) * 2015-02-10 2015-05-27 济南轨道交通集团有限公司 Intelligent pile machine equipment and method
CN105569042A (en) * 2016-01-29 2016-05-11 青岛科技大学 Automatic 60-degree double-row piling device and piling method
CN106120834A (en) * 2016-06-21 2016-11-16 扬州工业职业技术学院 A kind of buffer-type antidetonation civil engineering groundwork structure of sensing control
CN107326906A (en) * 2017-06-27 2017-11-07 扬州工业职业技术学院 Intelligently auxiliary presses pile-drawing machine to a kind of jet impulse type hydraulic pressure oscillation crosswise
CN108915594A (en) * 2018-07-09 2018-11-30 北京中岩大地科技股份有限公司 A kind of whirl spraying orientation with drilling guiding device
CN109707175A (en) * 2018-12-28 2019-05-03 上海建工集团股份有限公司 The high-precision automatic positioning verticality-regulating system of contrary sequence method overlength steel column and construction method
CN110725300A (en) * 2019-10-25 2020-01-24 河海大学 Bidirectional stirring pile machine with power arranged at bottom

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104652435A (en) * 2015-02-10 2015-05-27 济南轨道交通集团有限公司 Intelligent pile machine equipment and method
CN104652435B (en) * 2015-02-10 2016-03-02 济南轨道交通集团有限公司 A kind of intelligent pile machine equipment and method
CN105569042A (en) * 2016-01-29 2016-05-11 青岛科技大学 Automatic 60-degree double-row piling device and piling method
CN105569042B (en) * 2016-01-29 2017-08-29 青岛科技大学 A kind of 60 ° of double Automatic piling devices
CN106120834A (en) * 2016-06-21 2016-11-16 扬州工业职业技术学院 A kind of buffer-type antidetonation civil engineering groundwork structure of sensing control
CN107326906A (en) * 2017-06-27 2017-11-07 扬州工业职业技术学院 Intelligently auxiliary presses pile-drawing machine to a kind of jet impulse type hydraulic pressure oscillation crosswise
CN107326906B (en) * 2017-06-27 2019-02-01 扬州工业职业技术学院 A kind of hydraulic oscillation crosswise intelligence auxiliary pressure pile-drawing machine of jet impulse type
CN108915594A (en) * 2018-07-09 2018-11-30 北京中岩大地科技股份有限公司 A kind of whirl spraying orientation with drilling guiding device
CN109707175A (en) * 2018-12-28 2019-05-03 上海建工集团股份有限公司 The high-precision automatic positioning verticality-regulating system of contrary sequence method overlength steel column and construction method
CN110725300A (en) * 2019-10-25 2020-01-24 河海大学 Bidirectional stirring pile machine with power arranged at bottom

Similar Documents

Publication Publication Date Title
CN101063399B (en) Drilling implement for erecting a drilling pillar in the ground and method thereof
CN205977245U (en) Road multifunctional machinery ization tunnel supporting platform truck
CN102561946B (en) Drilling rig with following pipe pile and construction method for following pipe pile
CN201526271U (en) Crawler-type all-hydraulic tunnel drilling machine
CN205025388U (en) Take dark stake stirring rig of disconnect drilling rod device
CN104763328B (en) A kind of hydraulic pressure reaming circulation drilling machine and its reaming pile constructing process
CN106121522A (en) A kind of metope installs multi-purpose device with laborsaving dust-proof punching
CN1234471A (en) All-intelligent multifunctional hydraulic extruding extender
CN201883940U (en) Electrically-driven lifting punching machine
CN105275415B (en) Full-automatic continuous drilling rig
CN201231532Y (en) Mobile boring device for building top board
CN104912076B (en) A static pile press complete machine is planted in a kind of reaming
CN103061673A (en) Multifunctional micropile drilling machine
CN103899316B (en) Shaft drilling method shaft drilling machine
CN101435312A (en) Multifunctional hammer drill
AU2010241465B2 (en) Underwater drilling arrangement and method for introducing a tubular foundation element into the bed of a body of water
CN101839815A (en) Installation and complex loading model testing platform for novel deep sea mooring foundation
CN104727323A (en) Self-drilling steel pipe pile continuous wall construction method and steel pipe pile continuous wall used in self-drilling steel pipe pile continuous wall construction method
CN201326376Y (en) Multi-functional hydraulic rotary-digging drilling machine
CN100591859C (en) Pile pulling construction method for pile pulling machine
CN1958968A (en) Multifunctional pile driver
CN102852457B (en) Follow-up drilling machine for down-hole hammer casing pipe
CN201924360U (en) Multifunctional hydraulic static pile press
CN202946011U (en) Track walking deck rotation full hydraulic underground drilling rig
CN105443036B (en) A kind of soil remediation sampler drill of high-frequency hydraulic unit head and the application unit head

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C25 Abandonment of patent right or utility model to avoid double patenting
AV01 Patent right actively abandoned

Granted publication date: 20150701

Effective date of abandoning: 20160302