CN105034176A - Great-depth seabed portable electric cutting device based on submersible - Google Patents

Great-depth seabed portable electric cutting device based on submersible Download PDF

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Publication number
CN105034176A
CN105034176A CN201510404138.2A CN201510404138A CN105034176A CN 105034176 A CN105034176 A CN 105034176A CN 201510404138 A CN201510404138 A CN 201510404138A CN 105034176 A CN105034176 A CN 105034176A
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China
Prior art keywords
shell
submersible
end cap
saw blade
output shaft
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CN201510404138.2A
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Chinese (zh)
Inventor
丁忠军
任玉刚
李德威
于凯本
高翔
史先鹏
李宝钢
杨磊
杨雷
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National Deep Sea Center
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National Deep Sea Center
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Priority to CN201510404138.2A priority Critical patent/CN105034176A/en
Publication of CN105034176A publication Critical patent/CN105034176A/en
Pending legal-status Critical Current

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Abstract

The invention provides a great-depth seabed portable electric cutting device which can be loaded onto a 7000-meter manned submersible and conducts cutting and sampling on underwater ore. The device comprises a direct current motor and a reducer, the direct current motor and the reducer are fixed to an output shaft through a coupling and a bearing, and an oil charge cavity is formed in a shell body of a shell. The static sealing design is adopted between a front end cap of the shell and the shell, and one or more O-shaped rubber rings are arranged at the contact part between the front end cap and the shell; a rotating combination sealing ring is arranged at the contact part between a revolving shaft and the front end cap, the double-acting rotating seal is adopted for the rotating combination sealing ring, and the sealing pressure can reach 30 MP; the same static sealing design is adopted at a rear end cap of the shell, and one or more O-shaped rubber rings are arranged at the contact part between the rear end cap and the shell. By means of the device, the problems that existing great-depth underwater rock sampling mechanisms are difficult to sample or load, complex in structure, high in fabrication cost, hard to maintain and the like are solved, and the device has the advantages of being simple in fabrication, high in efficiency, safe and reliable.

Description

A kind of large degree of depth seabed portable electric cutting device based on submersible
Technical field
Deep-sea resources exploration and development equipment technical field belonging to the present invention, specifically, relates to a kind of large degree of depth seabed portable electric cutting device based on submersible.
Background technology
Marine site, deep-sea is richly stored with a large amount of national economic development such as mineral resources, living resources and the indispensable resource of national defense construction.The exploration and development of sea-bed area especially deep-sea regional mineral resources, needs the strong support of Marine High-technology.Abyssal floor mineral resources exploration carries out ocean research, the indispensable important technical of scientific investigation.Usually large degree of depth marine rock sampling to be great majority be adopt core sampling rig to carry out rock drill through sampling, and the report adopting the cutting of saw blade to carry out sampling not yet finds at present.
Since ISUZU company, external relevant department has developed multiple sampling technique, the multiple Marine Geology sampler of Study and Development.As the hydraulic piston corer (RPC), extension core tube (SCB), Canadian MarkI type rock brill, Australian PROD type rig etc. of U.S.'s development, but above-mentioned sampler adopts hydraulic power to drive usually.China developed China's First Core Sampling Drill for Deep Seabed Shallow Strata in 2003 under 863 project supports.The development of above-mentioned rock sampler drill solves the problem of deep sea mineral resources exploration, sampling greatly, but above-mentioned rock sampler drill all exists that project organization complexity, cost are extremely expensive, maintenance cost is high, equipment is too huge and can not rely on the problems such as manned underwater vehicle lift-launch, therefore there is numerous limitation when reality uses, as China core sampling rig net weight 2.8t, appearance and size reaches 1.8m × 1.8m × 2.3m (height), be offshore operations difficulty, lay recovery difficult, maintenance difficulties all very greatly, therefore practical application effect is not obvious.
Along with the development of benthoscope, the sampling equipment be arranged on Deep Unmanned Submersibles (ROV) or deep sea manned submersible (HOV) obtains to be applied more and more widely, wherein core sampling device in seabed is exactly one of important power tool obtaining sediment core sample, and No. ALVIN as the U.S. was once carried in October, 1991 rock sample that the success of HSTR corer obtains 480mm; The HarborBranch ocean research ocean engineering technology association of the U.S. that does have developed the corer of 7000m level, is once arranged on MagellanROV, and is obtaining multiple core sample more than in the deep-sea of 3000m; Russia's APTYC deep-sea vehicle is also equipped with portable corer, can core-drilling on VII-X level granite, basalt and other hard rock, and corer weight is 30kg.In addition, No. CONSUB of Britain, No. ST-I of France and the Shenkai6500 manned underwater vehicle of Japan all once carried underwater miniature corer and sampled rock.In the development process of " flood dragon " number manned underwater vehicle, also once synchronously have developed flood dragon 7000m cobalt crusts rig.This system adopts to creep into gets core mode, be equipped on manned underwater vehicle front portion, the hydraulic power source of manned underwater vehicle is utilized to provide power, but because this rig design mechanism is complicated, cost and maintenance cost is higher, weight of equipment is excessive cannot carry latent device easily, this rig utilizes the hydraulic power source of manned underwater vehicle to provide power simultaneously, it in use can cause potential potential safety hazard to self hydraulic system of latent device, and therefore, this rig is not yet put to practical application.
Integrated first the 7000 meter level manned underwater vehicles " flood dragon " number of China's autonomous Design completed sea examination in 2012, within 2013, be successfully made first tentative application flight number, indicate that China has tentatively possessed the engineering sense of deep manned submersible.7000 meters of manned underwater vehicles possess that to carry out motor-driven, hovering, correctly in place and fixed point kick-back etc. at complicated sea-floor relief accurately movable, its two master-slave modes be equipped with, switching regulator manipulator can operate Portable cutter and carry out accurate cutting operation, complete submarine sampling task
But, there is project organization complexity, involve great expense in existing core sampling rig, maintenance cost is high, equipment is overweight, lift-launch can may cause the problems such as substantial risk to latent device, pressing force must be provided during manned underwater vehicle Robot actions core sampling rig operation simultaneously, and reality to be subject to the impact of reaction force due to the latent device being in vacant state in seabed, latent device is caused to wave, have a strong impact on latent device safety and operating efficiency, comprehensive above-mentioned seriously limit the large degree of depth rock sampling scope.
Given this, the version of Promethean employing diamond disc cutting, carries out portable design, and transmission mechanism is simple, reliable, easy care; Adopt self-tolerant driven by power, meet 7000 meter level manned underwater vehicles and other latent device lift-launch requirements, safe and reliable, increase work efficiency.At present, the report of relevant apparatus is had no both at home and abroad.
Summary of the invention
In order to solve existing deep sea drill core sampling machine complex structure, involve great expense, maintenance cost is high, carry and the realistic problem of operation difficulty, the present invention proposes a kind of large degree of depth seabed portable electric cutting device based on submersible, and its concrete technical scheme is as follows:
Based on a large degree of depth seabed portable electric cutting device for submersible, comprise shell, direct current generator, decelerator, described direct current generator, decelerator are packaged in shell, by being arranged at motor fixing plate on decelerator and shell is fixed; Described direct current generator, decelerator front end are fixed on output shaft by shaft coupling and bearing, and described shaft coupling and output shaft junction configure two heavy-duty bearings, for bearing axial in abyssal environment and the larger load of radial direction; Output shaft end connects saw blade, and described saw blade is connected by inner flange, outward flange with output shaft, and inner flange, outward flange are fixed by outward flange arranged outside flange face holding screw; Static seal design is adopted, " O " shape rubber ring together with described drive end bearing bracket and housing contacts portion are arranged at least between case nose lid place and shell; Described rotating shaft and drive end bearing bracket contact site arrange rotation combination sealing ring, and this rotation combination is sealed into double acting rotatory sealing, and sealing load can reach 30MP, can realize dynamic seal (packing) during output shaft rotation; Outer casing back lid place adopts static seal to design equally, " O " shape rubber ring together with described rear end cap and housing contacts portion are arranged at least; Filling liquid force feed in cavity between shell and direct current generator, decelerator, shaft coupling; Rear end cap leaves external electric wire crossing and pressure compensation oil pipe mouth, and an oily compensator is connected to compensation hydraulic fluid port by compensating oil pipe, regulates by realizing pressure compensation to cavity fuel feeding; Electric wire crossing is connected with magnetic trigger, battery by electric wiring; Described magnetic trigger, battery and oily compensator are packaged in a control cabinet; Described cutter sweep is equipped in submersible sampling basket.
Further, arrange outside protective covers above described saw blade, described outer cover is fixed by saw blade outer cover holding screw and shell.
Further, described saw blade is diamond saw blade.
Further, " U " shape handle be fixedly connected with shell is set, for the crawl of manipulator to this device above described shell.
Large degree of depth seabed portable electric cutting device based on submersible provided by the present invention, has the following advantages:
First: imderwater cutting device sampling self-tolerant electric transmission mode of the present invention, dynamical system adopts DC servo motor to add the combination of precise planet-gear speed reducer.The output transmission of tuning deceleration is secured directly on output shaft by shaft coupling.Output shaft place is configured with a pair heavy-duty bearing and bears heavy axis and radial load.Can realize final output torque by the deceleration of decelerator and maintain about 8 to 10NM, rotating speed maintains 800-1000rpm, can meet large degree of depth seabed cutting moment and cutting efficiency requirement;
Second: the form adopting movable sealing and static seal combination sealing, housing cavity is made to form effective sealing, wherein adopt the mode that movable sealing combines with static seal between case nose with motor output shaft, combined by a rotation combination sealing ring and two " O " shape rubber rings between drive end bearing bracket and shell, output shaft and drive end bearing bracket junction adopt the movable sealing mode of rotation combination sealing ring, rotation combination sealing is combined by a sealing ring and GB3452.1 " O " shape rubber ring, composition double acting rotating seal, sealing load can reach 30MP, the static seal form of twice O type circle is adopted between rear end cap and cutter sweep shell, good sealing effect, meet the seal request of large degree of depth environments such as subsea,
3rd: adopt split-type structural, magnetic trigger, battery and oily compensator are packaged in independently in control cabinet, and connected by length-adjustable connecting line, both the requirement of filling type pressure compensation, contactless triggering and control had been met, make again whole simplified, it is convenient to carry, and improves operating efficiency;
4th: have employed filling type pressure compensation form, and adopt the compensation policy of external pressure compensator, pressure compensator is positioned in control cabinet, can be fixed on manned underwater vehicle sampling basket, device internal port place adopts movable sealing to add the form of static seal combination sealing, can realize the large deep operation of water 7000m level.
5th: the setting adopting " U " shape handle, make cutting part be convenient to manipulator and capture, saw blade adopts diamond, and hardness is high, enables device adapt to the large degree of depth of 7000 meter levels to the job requirements of the cutting samplings such as rock.
Accompanying drawing explanation
A kind of large degree of depth seabed portable electric cutting device enclosure based on submersible of Fig. 1 the present invention is divided and is faced structural representation;
A kind of large degree of depth seabed portable electric cutting device enclosure discrete structural representation based on submersible of Fig. 2 the present invention;
A kind of large degree of depth seabed portable electric cutting device overall structure schematic diagram based on submersible of Fig. 3 the present invention.
[critical piece symbol description]
1: handle; 2: direct current generator; 3: saw blade; 4: outer cover; 5: rear end cap; 6: outer cover holding screw; 7:O shape rubber ring; 8: inner flange; 9: outward flange; 10: flange face holding screw; 11: rotating seal ring; 12: output shaft; 13: shaft coupling; 14: motor mounting flange; 15: bearing; 16: decelerator; 17: shell; 18: motor fixing plate; 19: electric wiring; 20: compensate oil pipe; 21: magnetic trigger; 22: control cabinet; 23: drive end bearing bracket.
Detailed description of the invention
Below in conjunction with drawings and Examples to a kind of further detailed description of large degree of depth seabed portable electric cutting device based on submersible of the present invention.
As can be seen from Fig. 1, Fig. 2, Fig. 3, large degree of depth seabed portable electric cutting device based on submersible of the present invention, comprise direct current generator 2, decelerator 16, described direct current generator 2, decelerator 16 are fixed on output shaft 12 by shaft coupling 13 and bearing 15, and junction arranges motor mounting flange 14 and fixes; Output shaft 12 end connects saw blade 3; Described direct current generator 2, decelerator 16, shaft coupling 13 are packaged in shell 17, are fixed with shell 17 by the motor fixing plate 18 be arranged at outside decelerator 16; Shell 17 front end arranges drive end bearing bracket 23, rear end arranges rear end cap 5, makes enclosure interior form sealed cavity.
Adopt static seal design between shell 17 drive end bearing bracket 23 place and shell 17, described drive end bearing bracket and shell 17 contact site arrange two ways " O " shape rubber ring 7; Described output shaft 12 arranges rotation combination sealing ring 11 with drive end bearing bracket contact site; This rotation combination is sealed into double acting rotatory sealing, and sealing load can reach 30MP, can realize dynamic seal (packing) during output shaft rotation.Shell 17 rear end cap 5 place adopts static seal design, and described rear end cap and housing contacts portion arrange twice " O " shape rubber ring 7, realize the static sealing of shell inner cavity body.Hydraulic oil is adopted to fill in shell 17 inner sealing cavity.Shaft coupling 13 and output shaft 12 junction configure two heavy-duty bearings 15, for bearing axis and radial load.Saw blade 3 is connected by inner flange 8, outward flange 9 with output shaft 12, and inner flange 8, outward flange 9 are fixed by outward flange 9 arranged outside flange face holding screw 10.In addition, arrange outside protective covers 4 above saw blade 3, outer cover 4 is fixed by saw blade outer cover holding screw 6 and shell 17." U " shape handle 1 be fixedly connected with shell is set above shell, for the crawl of manipulator to this device.
This device also comprises one and control cabinet 22, and described control cabinet 22 arranges magnetic trigger 21, battery and oily compensator; Shell 17 housing is arranged corresponding control electric wire, electric source line interface and compensates hydraulic fluid port and is connected with magnetic trigger, battery and oily compensator by electric wiring 19, compensation oil pipe 20.Electric wiring 19, compensation oil pipe 20 length can regulate as required.In addition, described saw blade 3 is preferably diamond saw blade.
For the ease of the crawl of manipulator to this device, " U " shape handle 1 be fixedly connected with shell is set above shell 17.
The present invention is directed to that existing large depth underwater rock drills through sampling mechanism sampling difficulty, carries difficulty, complex structure, involves great expense, the problem such as difficult in maintenance, Promethean proposition adopts portable design, power source adopts self-tolerant driven by power, and Power output adopts DC servo motor to add the combination of precise planet-gear speed reducer.Output shaft place is configured with a pair heavy-duty bearing 15 and bears heavy axis and radial load.Finally realize output torque and maintain about 8-10NM, rotating speed maintains more satisfactory cutting moment and the cutting efficiency requirement of 800-1000rpm.
Have employed the structural design of split type uniqueness, movable sealing is adopted to add the form of static seal combination sealing, realize the sealing completely of shell inner cavity body, and have employed filling type pressure compensation form: cutter sweep works in large depth underwater, residing for it, environments such as subsea pressure is very big, as born 700 atmospheric pressure under water at 7000 meters, be equivalent to every square metre of 7000 tons of pressure.Therefore adopt oil-filled pressure-compensated, the pressure equivalence of liquid is transmitted, is specially and liquid is entered motor cavity, realize the balance of external and internal pressure.Because motor internal coil can not soak, so pressure balance can only be realized by oil-filled mode.Meanwhile, certain restriction is also had to the selection of extend oil.The oil that can not be polarized by motor must be used as filled media, therefore adopt hydraulic oil to fill.Next is the power source realizing inside and outside pressure balanced.The structure of elasticity oil sac can be adopted.The inner chamber of oil sac and the inner space of motor, be full of oil, and exocoel is then exposed in water.When extraneous hydraulic pressure is higher than in motor during pressure, oil sac is compressed, and in oil sac, fluid pressure increases, until internal and external pressure balance.Or adopting the mode of external leather bag, which is also be full of in the cavity of fluid by the component package needing to take pressure compensation to protect at one, and then in chamber, an external leather bag being full of fluid of the same race realizes pressure compensation by the elastic deformation of leather bag.The present invention arranges independent control cabinet 22, and external pressure compensator is loaded in control cabinet 22, realizes fuel feeding and compensates.Whole device is equipped on manned underwater vehicle sampling basket, can realize the large deep operation of water 7000m level.
Workflow:
Before lower water, carry out system integration and test, comprise the debugging of cutter sweep self and debug with coordinating of submersible.Whether self debugging main debugging cutter sweep motor can normal rotation, and rotating speed produces a desired effect; Then carry out the system integration and test with submersible, be equipped on by cutter sweep on submersible sampling basket, the control cabinet of cutter sweep is fixed on sampling basket, and cut end can be clamped by submersible master-slave manipulators carries out corresponding seabed cutting operation.
Cut end by a power control line and pressure compensation pipe be fixed on the control cabinet of sampling on basket and be connected, length of pipeline is about 1.5-2.5 rice, ensure the free rotating operation of manipulator, meanwhile, submersible switching regulator manipulator clamping magnetic trigger 21, magnetic trigger 21 profile is set to a magnet ring usually, magnetic switch sphere of action is in radius 200mm sphere, when clamped by switching regulator manipulator, device can trigger magnetic trigger 21 in this spheroid, thus electric motor starting, with should device clamped by switching regulator manipulator again enter in the sphere of radius 200mm time trigger again magnetic trigger 21, switch cuts out, the full-range debugging efforts of completion system.After entering water to target area, the manipulator capturing this device with manned underwater vehicle master-slave manipulators captures handle 1, and this cutter sweep is lifted to the region of predetermined cuts.
Manipulator triggers cutter sweep magnetic trigger 21, starts direct current generator 2, cuts with diamond disc.
Cut rear manipulator triggering cutter sweep magnetic trigger 21 and closed direct current generator 2, cutter sweep is recovered to put in place.

Claims (4)

1. the large degree of depth seabed portable electric cutting device based on submersible, it is characterized in that: comprise shell, direct current generator, decelerator, described direct current generator, decelerator are packaged in shell, by being arranged at motor fixing plate on decelerator and shell is fixed; Described direct current generator, decelerator front end are fixed on output shaft by shaft coupling and bearing, and described shaft coupling and output shaft junction configure two heavy-duty bearings, for bearing axial in abyssal environment and the larger load of radial direction; Output shaft end connects saw blade, and described saw blade is connected by inner flange, outward flange with output shaft, and inner flange, outward flange are fixed by outward flange arranged outside flange face holding screw; Static seal design is adopted, " O " shape rubber ring together with described drive end bearing bracket and housing contacts portion are arranged at least between case nose lid place and shell; Described rotating shaft and drive end bearing bracket contact site arrange rotation combination sealing ring, and this rotation combination is sealed into double acting rotatory sealing, and sealing load can reach 30MP, can realize movable sealing during output shaft rotation; Outer casing back lid place adopts static seal to design equally, " O " shape rubber ring together with described rear end cap and housing contacts portion are arranged at least; Filling liquid force feed in cavity between shell and direct current generator, decelerator, shaft coupling; Rear end cap leaves external electric wire crossing and pressure compensation oil pipe mouth, and an oily compensator is connected to compensation hydraulic fluid port by compensating oil pipe, regulates by realizing pressure compensation to cavity fuel feeding; Electric wire crossing is connected with magnetic trigger, battery by electric wiring; Described magnetic trigger, battery and oily compensator are packaged in a control cabinet; Described cutter sweep is equipped in submersible sampling basket.
2. a kind of large degree of depth seabed portable electric cutting device based on submersible according to claim 1, it is characterized in that: arrange outside protective covers above described saw blade, described outer cover is fixed by saw blade outer cover holding screw and shell.
3. a kind of large degree of depth seabed portable electric cutting device based on submersible according to claim 1 and 2, is characterized in that: described saw blade is diamond saw blade.
4. a kind of large degree of depth seabed portable electric cutting device based on submersible according to claim 1 and 2, is characterized in that: arrange " U " shape handle be fixedly connected with shell above described shell, for the crawl of manipulator to this device.
CN201510404138.2A 2014-12-15 2015-07-13 Great-depth seabed portable electric cutting device based on submersible Pending CN105034176A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106827026A (en) * 2017-04-11 2017-06-13 广州元凛建筑工程技术开发有限公司 A kind of plate cutting device
CN107433633A (en) * 2017-04-11 2017-12-05 广州元凛建筑工程技术开发有限公司 One kind is used for plate cutting device
CN107471453A (en) * 2016-06-08 2017-12-15 力山工业股份有限公司 Handheld stone cutter
CN109238877A (en) * 2018-09-20 2019-01-18 中南大学 The complete deep cross plate shearing instrument in sea
WO2019148893A1 (en) * 2018-01-31 2019-08-08 山东未来机器人有限公司 Underwater cutting machine
CN110842649A (en) * 2019-11-20 2020-02-28 衡阳藏青金属制品有限公司 Portable cutter is used in aluminium alloy door and window processing
CN111042757A (en) * 2019-12-31 2020-04-21 山东大学 Deep sea electric-driven drilling integrated clamping operation seabed crusting sampling device
CN111734333A (en) * 2020-05-28 2020-10-02 国家深海基地管理中心 Hydraulic self-compensation core sampling operation device based on deep sea cable-controlled submersible
CN112122703A (en) * 2020-09-22 2020-12-25 中国船舶科学研究中心 Pressure self-adaptive high-rotating-speed light underwater cutting tool
CN114084321A (en) * 2021-11-15 2022-02-25 哈尔滨工业大学(威海) Be applied to deep sea ROV's multi-functional rotary-type operation instrument

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107471453A (en) * 2016-06-08 2017-12-15 力山工业股份有限公司 Handheld stone cutter
CN106827026A (en) * 2017-04-11 2017-06-13 广州元凛建筑工程技术开发有限公司 A kind of plate cutting device
CN107433633A (en) * 2017-04-11 2017-12-05 广州元凛建筑工程技术开发有限公司 One kind is used for plate cutting device
WO2019148893A1 (en) * 2018-01-31 2019-08-08 山东未来机器人有限公司 Underwater cutting machine
CN109238877A (en) * 2018-09-20 2019-01-18 中南大学 The complete deep cross plate shearing instrument in sea
CN110842649A (en) * 2019-11-20 2020-02-28 衡阳藏青金属制品有限公司 Portable cutter is used in aluminium alloy door and window processing
CN111042757A (en) * 2019-12-31 2020-04-21 山东大学 Deep sea electric-driven drilling integrated clamping operation seabed crusting sampling device
CN111734333A (en) * 2020-05-28 2020-10-02 国家深海基地管理中心 Hydraulic self-compensation core sampling operation device based on deep sea cable-controlled submersible
CN112122703A (en) * 2020-09-22 2020-12-25 中国船舶科学研究中心 Pressure self-adaptive high-rotating-speed light underwater cutting tool
CN114084321A (en) * 2021-11-15 2022-02-25 哈尔滨工业大学(威海) Be applied to deep sea ROV's multi-functional rotary-type operation instrument

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Inventor after: Ren Yugang

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Inventor after: Yu Kaiben

Inventor after: Gao Xiang

Inventor after: Shi Xianpeng

Inventor after: Li Baogang

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Inventor after: Yang Lei

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Inventor before: Ren Yugang

Inventor before: Li Dewei

Inventor before: Yu Kaiben

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Inventor before: Shi Xianpeng

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