CN204919432U - Self -propelled subway tunnel washs car - Google Patents
Self -propelled subway tunnel washs car Download PDFInfo
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- CN204919432U CN204919432U CN201520664194.5U CN201520664194U CN204919432U CN 204919432 U CN204919432 U CN 204919432U CN 201520664194 U CN201520664194 U CN 201520664194U CN 204919432 U CN204919432 U CN 204919432U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000005406 washing Methods 0.000 claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims description 25
- 238000010298 pulverizing process Methods 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 7
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 abstract description 2
- 238000011010 flushing procedure Methods 0.000 description 4
- 238000004887 air purification Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241001236644 Lavinia Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The utility model discloses a self -propelled subway tunnel washs car. By becoming with no. II operation set of cars at the parallelly connected no. I operation car forming the train set of hanging of orbital motion, wherein no. I operation car draws power from the area, installs the height on the washing car, work systems is washed to low pressure, forbids washing discerning execution systems. The utility model discloses there are many sets of injector sets and squirt in the system, can adhere to and the height is carried out to the distribution situation, low pressure is rinsed to the filth at different positions, not only can wash the tunnel surface, can wash railway roadbed, fastener, ditch and local filth attachment point in addition and rinse, the utility model discloses still install atomizing nozzle group, can produce water smoke in whole headroom, purified the air in the whole clearance of tunnel, the utility model discloses still installing and prohibitting washing discernment execution systems, through the tunnel signal device that infrared sensor matches, the electric check valve in the control corresponding site water pressure return circuit closes corresponding nozzle, makes the semaphore avoid washing the realization automatic protection.
Description
Technical field
The utility model belongs to mechanized equipment field, is specifically related to a kind of railway or the subway tunnel washing and cleaning operation car that carry traction power, can realizes the high-efficiency washing to tunnel.
Background technology
Along with China's expanding economy, city faces increasing traffic pressure, and subway is greatly developed in more and more city.The tunnel mileage of subway is more and more longer many.After subway tunnel builds up, no matter before operation or in the operation of throughout the year accumulating over a long period, keep away the position such as face and railway roadbed in tunnel and all can produce the dirt such as deposit as silt, floating ash, cement attachment, greasy dirt, pureed, not only affect that subway environment is attractive in appearance, air quality, also can affect the driver visual field definition, reduce comfortableness, affect tunnel regular maintenance, traffic safety constituted a threat to.Therefore need to keep the clean of subway tunnel, the subway line of operation all regularly can carry out the Large Clean in tunnel.The simple tools such as the artificial hand-held spades of traditional method, besom are kept a public place clean.Not only to work under hard conditions but also the cycle is long, quality is also difficult to ensure.Traditional artificial clean method can not meet the demand of present Development of underground railway, therefore needs development of new sophisticated equipment to meet the dust alleviation work of subway tunnel.
The subway tunnel cleaning Vehicle of present existing drive, equipment is very complicated, huge, and price is high, and usually institute adopts pressure-air cleaning system, and clean-up effect is undesirable, and noise greatly, well can not be applicable to the subway operation of China.The subway tunnel cleaning Vehicle of drive does not need other railcars to draw, the inadequate maneuverability of operation, and water rinse-system can't realize hole wall in tunnel, railway roadbed, fastener, track, the flushing in gutter and air purification institutional operation.
Summary of the invention
The utility model discloses a kind of self-propelled subway tunnel cleaning Vehicle according to the deficiencies in the prior art.Problem to be solved in the utility model is to provide a kind of self-powered, configuration high and low pressure system can realize hole wall in tunnel, railway roadbed, fastener, track, the flushing in gutter and the tunnel cleaning vehicle of air purification institutional operation.
The utility model is achieved through the following technical solutions:
Self-propelled subway tunnel cleaning Vehicle, by hanging together No. I working vehicle forming car team and No. II working vehicle forms in orbital motion, wherein No. I working vehicle carries traction power, it is characterized in that: cleaning Vehicle is provided with high and low pressure and rinses work system, forbids rinsing identifying executive system;
Described high pressure washing work system is arranged in No. I working vehicle, comprising: with motor drive be connected high-pressure hydraulic pump, with the high-pressure water tank that high-pressure hydraulic pump entrance is connected by water pipe, export by water pipe giant, pulverizing nozzle group, railway roadbed high pressure nozzle group in parallel with high-pressure hydraulic pump;
Described No. II working vehicle is provided with low-pressure washing system, comprising: with motor drive the low-pressure pump be connected, the low pressure water pot be connected by water pipe with low-pressure pump entrance, with low-pressure pump export be connected in parallel by water pipe low pressure hydraulic giant, swing and sweep (operating) water nozzle group, top jet nozzle group, upside nozzle sets, gutter nozzle sets, downside nozzle sets;
Each cleaning hydraulic giant and nozzle sets all have by-pass valve control independence open and close controlling;
Described forbid rinsing identify that executive system comprises the infrared sensor that mates with track signal machine and the electric check valve for cutting off water supply.
Further described giant is arranged at No. I operating vehicle platform front portion, pulverizing nozzle group is arranged in the middle part of No. I operating vehicle platform and is made up of the multiple spray nozzles vertically arranged, and railway roadbed high pressure nozzle group is arranged at bottom No. I operating vehicle platform and is made up of multiple high pressure nozzles side by side.
Further described low pressure hydraulic giant is arranged at No. II operating vehicle platform rear portion, swing is swept (operating) water nozzle group and is arranged at bottom No. II operating vehicle platform, top jet nozzle group and upside nozzle sets are arranged at No. II operating vehicle platform front portion, gutter nozzle sets is arranged at No. II operating vehicle platform bottom transverse both sides, and downside nozzle sets is arranged at No. II operating vehicle platform bottom front.
Above-mentioned infrared sensor to be arranged at bottom No. I working vehicle and bottom No. II working vehicle each one group respectively.
Described No. I working vehicle carries traction power, and drive mechanism is hydraulic mechanical, and traction power is provided by Diesel engine, and passes to two power trucks by Cardan shaft, fluid torque-converter, double jointed propeller shaft.
No. I operating vehicle platform is provided with No. I switch board, and No. II operating vehicle platform is provided with No. II switch board, No. I switch board and No. II switch board adopt arbitrary switch board all can control whole car team runs electrically heavily connects structure.
The utility model just provides a kind of self-propelled subway tunnel cleaning Vehicle, and the utility model adopts No. I working vehicle carrying traction power, and No. II working vehicle not with traction power hangs together composition car team, and car load adopts hydraulic power.Car is installed high and low pressure and rinsed work system, many cover nozzle sets and hydraulic giant is had in system, high and low pressure cleaning can be carried out for the dirt attachment of different parts and distribution situation, not only can rinse tunnel surface, and railway roadbed, fastener, ditch and localized contamination attachment point can be rinsed clean; The utility model there is also mounted pulverizing nozzle group, can produce water smoke, purify the air in whole tunnel clearance in whole headroom.Car load mobility is good, operates steadily, and operation is convenient, rinses the feature that operation effectiveness is good, flush efficiency is high; The utility model is also provided with to be forbidden rinsing identification executive system, and detected the tunnel signal device of coupling by infrared sensor, the electric check valve controlled in corresponding site hydraulic pressure loop cuts out corresponding nozzle, makes semaphore avoid rinsing realization protection automatically.
Accompanying drawing explanation
Fig. 1 is the utility model general structure schematic diagram---front view;
Fig. 2 is the utility model general structure schematic diagram---top view;
Fig. 3 the utility model rinses work system schematic diagram.
In figure, 1 is No. I working vehicle, 2 is No. I workplaces, 3 is No. I switch boards, 4 is giants, 5 is diesel generating sets, 6 is Diesel engines, 8 fluid torque-converters, 7 is Cardan shafts, 9, 11 is double jointed propeller shafts, 10, 12 power trucks, 13 is high-pressure water tank, 14 is pulverizing nozzle groups, 15 is railway roadbed high pressure nozzle groups, 16 is motors, 17 is high-pressure hydraulic pumps, 18 is hitches, 19 is No. II working vehicles, 20 is motors, 21 is low-pressure pumps, 22 is top jet nozzle groups, 23 is upside nozzle sets, 24 is low pressure water pots, 25 is No. II workplaces, 26 is low pressure hydraulic giants, 27 is No. II switch boards, 28 is bogies, 29 is swing to sweep (operating) water nozzle group, 30, 35 is sensors, 31 is railway roadbed low-pressure nozzle groups, 32 is gutter nozzle sets, 33 is downside nozzle sets, 34 is bogies, 36 is control circuits, 37 is water pipes, 38, 39 is electric check valves.
Detailed description of the invention
Below by embodiment, the utility model is specifically described; embodiment is only for being further detailed the utility model; can not be interpreted as the restriction to the utility model protection domain, some nonessential improvement that those skilled in the art makes according to above-mentioned content of the present utility model and adjustment also belong to the scope of the utility model protection.
Composition graphs 1 to Fig. 3.
Self-propelled subway tunnel cleaning Vehicle, by hanging together No. I working vehicle 1 that form car team and No. II working vehicle 19 forms in orbital motion, wherein No. I working vehicle 1 carries traction power, cleaning Vehicle is provided with high and low pressure and rinses work system, forbids rinsing identifying executive system;
High pressure washing work system is arranged in No. I working vehicle 1, comprising: with motor 16 drive be connected high-pressure hydraulic pump 17, with the high-pressure water tank 13 that high-pressure hydraulic pump 17 entrance is connected by water pipe 37, export by water pipe 37 giant 4, pulverizing nozzle group 14, railway roadbed high pressure nozzle group 15 in parallel with high-pressure hydraulic pump 17;
No. II working vehicle 19 is provided with low-pressure washing system, comprising: with motor 20 drive the low-pressure pump 21 be connected, the low pressure water pot 24 be connected by water pipe 37 with low-pressure pump 21 entrance, with low-pressure pump 21 export be connected in parallel by water pipe 37 low pressure hydraulic giant 26, swing and sweep (operating) water nozzle group 29, top jet nozzle group 22, upside nozzle sets 23, gutter nozzle sets 32, downside nozzle sets 33;
Each cleaning hydraulic giant and nozzle sets all have by-pass valve control independence open and close controlling;
Forbid rinsing and identify that executive system comprises the infrared sensor 30,35 that mates with track signal machine and the electric check valve 38,39 for cutting off water supply.
It is anterior that giant 4 is arranged at No. I operating vehicle platform 1, pulverizing nozzle group 14 is arranged in the middle part of No. I working vehicle 1 platform and is made up of the multiple spray nozzles vertically arranged, and railway roadbed high pressure nozzle group 15 is arranged at No. I working vehicle 1 mesa base and is made up of multiple high pressure nozzles side by side.
Low pressure hydraulic giant 26 is arranged at No. II working vehicle 19 platform rear portion, swing is swept (operating) water nozzle group 29 and is arranged at No. II working vehicle 19 mesa base, it is anterior that top jet nozzle group 22 and upside nozzle sets 23 are arranged at No. II working vehicle 19 platform, gutter nozzle sets 32 is arranged at No. II working vehicle 19 mesa base both lateral sides, and downside nozzle sets 33 is arranged at No. II working vehicle 19 mesa base front end.
Infrared sensor 35 is arranged at bottom No. I working vehicle 1, and infrared sensor 30 is arranged at bottom No. II working vehicle 19.
No. I working vehicle 1 carries traction power, and drive mechanism is hydraulic mechanical, and traction power is provided by Diesel engine 6, and passes to two power trucks 10,12 respectively by Cardan shaft 7, fluid torque-converter 8, double jointed propeller shaft 9,11.
No. I working vehicle 1 platform be provided with No. I switch board 3, No. II working vehicle 19 platform be provided with No. II switch board 27, No. I switch board 3 and No. II switch board 27 adopt arbitrary switch board all can control whole car team runs electrically heavily connects structure.
As shown in Figure 1, No. I workplace 2, No. I switch board 3, giant 4, diesel generating set 5, Diesel engine 6, Cardan shaft 7, fluid torque-converter 8, double jointed propeller shaft 9, power truck 10, double jointed propeller shaft 11, power truck 12, high-pressure water tank 13, pulverizing nozzle group 14, railway roadbed high pressure nozzle group 15, motor 16, high-pressure hydraulic pump 17, hitch 18, sensor 35 etc. No. I working vehicle 1 have been installed
Due to subway tunnel cleaning Vehicle have load large, need frequent start-stop feature, the traction power transmission system of No. I working vehicle 1, have employed Diesel engine 6 for motive hydraulic mechanical, traction power is via Diesel engine 6, Cardan shaft 7 fluid torque-converter 8, pass to two power trucks 10,12 by double jointed propeller shaft 9, double jointed propeller shaft 11 again.Owing to have employed fluid torque-converter 8, this car runs to be had infinitely variable speeds, handles the advantages such as simple, Acceleration of starting is steady, hauling ability is good, functional reliability is good, long service life.
No. II working vehicle 19 installs motor 20, low-pressure pump 21, top jet nozzle group 22, upside nozzle sets 23, low pressure water pot 24, No. II workplace 25, low pressure hydraulic giant 26, No. II switch board 27, bogie 28, swung and sweep (operating) water nozzle group 29, sensor 30, railway roadbed low-pressure nozzle group 31, gutter nozzle sets 32, downside nozzle sets 33, bogie 34 etc.
No. II working vehicle 19 is not with traction power, by the running under power of No. I working vehicle 1.No. I switch board 3 in No. I working vehicle 1 and No. II switch board 27 of No. II working vehicle 19 adopt and electrically heavily join, and make two cars all can control the operation of whole car team.
Rinse work system: diesel generating set 5 and No. I switch board 3 are electrically connected, No. I switch board 3 and motor 16, motor 20 are electrically connected, and diesel generating set 5 provides power for flushing work;
Motor 16 and high-pressure hydraulic pump 17 are mechanically connected, and high-pressure hydraulic pump 17 is connected by water pipe 37 with high-pressure water tank 13, and high-pressure hydraulic pump 17 is connected by water pipe 37 with giant 4, pulverizing nozzle group 14, railway roadbed high pressure nozzle group 15.Motor 16 drives high-pressure hydraulic pump 17, draws water from high-pressure water tank 13, for giant 4, pulverizing nozzle group 14, railway roadbed high pressure nozzle group 15 supply water.
Motor 20 and low-pressure pump 21 are mechanically connected, and low-pressure pump 21 is connected by water pipe 37 with nozzle sets 23, gutter nozzle sets 32, downside nozzle sets 33 on the upside of top jet nozzle group 22.
Rinse in work system at this, adopts two water pots to be respectively high and low hydraulic pressure system and provide water source, diesel generating set 5 provides power, switch board 3,27 to provide control for equipment for flushing work system.High-pressure pump 17 is driven by motor 16 and absorbs water from high-pressure water tank 13, for giant 4, railway roadbed high pressure nozzle group 15 provide high hydraulic water.Low-pressure centrifugal pump 21 is driven by motor 20 and absorbs water from water pot 24, for top jet nozzle group 22, upside nozzle sets 23, gutter nozzle sets 32, downside nozzle sets 33, railway roadbed low-pressure nozzle group 31, low pressure hydraulic giant 25 provide low hydraulic water.Nozzle sets is rinsed on the downside of subway fastener in tunnel, railway roadbed, tunnel top, tunnel upper lateral part, tunnel respectively, tunnel drainage ditch etc.And giant 4, low pressure hydraulic giant 25 for partial points, wash dirt that adhesive power is large or supplement rinses.
Pulverizing nozzle group nozzle sets 14 object is by water atomisation by pulverizing nozzle shower nozzle, vaporific spray water curtain is formed in tunnel clearance, when dust laden air in tunnel is by vaporific space, because of the collision between grit and drop, interception and cohesion, grit settles out with drop, thus purification tunnel air.
Pulverizing nozzle group 14 is for purifying the air in tunnel, and each nozzle sets, hydraulic giant can independently control.
In subway tunnel, some component forbids that water rinses, as being arranged on the semaphore etc. in the middle part of railway roadbed.For avoiding being flushed to semaphore, No. I working vehicle 1, sensor 35, No. II working vehicle 19 is installed and sensor 30 has been installed, sensor adopts infrared distance measuring sensor, forbid rinsing apart from time interior in nozzle sets when measuring semaphore, control the electric check valve 38 in corresponding site hydraulic pressure loop or electric check valve 39, railway roadbed low-pressure nozzle group 15 or railway roadbed low-pressure nozzle group 31 are cut off, makes semaphore avoid rinsing.Same system is also applicable to other devices needing to prohibit punching.
During washing and cleaning operation, vehicle is sailed to tunnel to be cleaned, open electrical power generators, open each nozzle or hydraulic giant, open the work of water pump hydraulic pressure system, control low vehicle speeds, limit travels limit and rinses operation, when needing to rinse certain partial points, is rinsed by artificial hand water holding rifle, after fulfiling assignment, rinse vehicle and sail out of scene.
Claims (6)
1. a self-propelled subway tunnel cleaning Vehicle, by hanging together No. I working vehicle forming car team and No. II working vehicle forms in orbital motion, wherein No. I working vehicle carries traction power, it is characterized in that: cleaning Vehicle is provided with high and low pressure and rinses work system, forbids rinsing identifying executive system;
Described high pressure washing work system is arranged in No. I working vehicle, comprising: with motor drive be connected high-pressure hydraulic pump, with the high-pressure water tank that high-pressure hydraulic pump entrance is connected by water pipe, export by water pipe giant, pulverizing nozzle group, railway roadbed high pressure nozzle group in parallel with high-pressure hydraulic pump;
Described No. II working vehicle is provided with low-pressure washing system, comprising: with motor drive the low-pressure pump be connected, the low pressure water pot be connected by water pipe with low-pressure pump entrance, with low-pressure pump export be connected in parallel by water pipe low pressure hydraulic giant, swing and sweep (operating) water nozzle group, top jet nozzle group, upside nozzle sets, gutter nozzle sets, downside nozzle sets;
Each cleaning hydraulic giant and nozzle sets all have by-pass valve control independence open and close controlling;
Described forbid rinsing identify that executive system comprises the infrared sensor that mates with track signal machine and the electric check valve for cutting off water supply.
2. self-propelled subway tunnel cleaning Vehicle according to claim 1, it is characterized in that: described giant is arranged at No. I operating vehicle platform front portion, pulverizing nozzle group is arranged in the middle part of No. I operating vehicle platform and is made up of the multiple spray nozzles vertically arranged, and railway roadbed high pressure nozzle group is arranged at bottom No. I operating vehicle platform and is made up of multiple high pressure nozzles side by side.
3. self-propelled subway tunnel cleaning Vehicle according to claim 1, it is characterized in that: described low pressure hydraulic giant is arranged at No. II operating vehicle platform rear portion, swing is swept (operating) water nozzle group and is arranged at bottom No. II operating vehicle platform, top jet nozzle group and upside nozzle sets are arranged at No. II operating vehicle platform front portion, gutter nozzle sets is arranged at No. II operating vehicle platform bottom transverse both sides, and downside nozzle sets is arranged at No. II operating vehicle platform bottom front.
4. the self-propelled subway tunnel cleaning Vehicle according to claim 1 or 2 or 3, is characterized in that: described infrared sensor to be arranged at bottom No. I working vehicle and bottom No. II working vehicle each one group respectively.
5. self-propelled subway tunnel cleaning Vehicle according to claim 4, it is characterized in that: described No. I working vehicle carries traction power, drive mechanism is hydraulic mechanical, traction power is provided by Diesel engine, and passes to two power trucks by Cardan shaft, fluid torque-converter, double jointed propeller shaft.
6. self-propelled subway tunnel cleaning Vehicle according to claim 4, it is characterized in that: No. I operating vehicle platform is provided with No. I switch board, No. II operating vehicle platform is provided with No. II switch board, No. I switch board and No. II switch board adopt arbitrary switch board all can control whole car team runs electrically heavily connects structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520664194.5U CN204919432U (en) | 2015-08-28 | 2015-08-28 | Self -propelled subway tunnel washs car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520664194.5U CN204919432U (en) | 2015-08-28 | 2015-08-28 | Self -propelled subway tunnel washs car |
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| Publication Number | Publication Date |
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| CN204919432U true CN204919432U (en) | 2015-12-30 |
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| CN201520664194.5U Active CN204919432U (en) | 2015-08-28 | 2015-08-28 | Self -propelled subway tunnel washs car |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951526A (en) * | 2018-08-09 | 2018-12-07 | 中车山东机车车辆有限公司 | Suction-type sewer scavenger is cleaned by the tunnel of electrician's condition suitable for third rail |
| CN109356062A (en) * | 2018-11-12 | 2019-02-19 | 江苏瑞铁轨道装备股份有限公司 | A kind of self-propelled subway tunnel cleaning vehicle |
| CN112523147A (en) * | 2020-11-12 | 2021-03-19 | 广东能达高等级公路维护有限公司 | Mechanized belt cleaning device in road surface |
| WO2021208829A1 (en) * | 2020-04-13 | 2021-10-21 | 华东理工大学 | Light assembled metro tunnel cleaning vehicle |
| CN114319200A (en) * | 2021-12-29 | 2022-04-12 | 中铁电气化局集团有限公司 | Tunnel section cleaning vehicle |
-
2015
- 2015-08-28 CN CN201520664194.5U patent/CN204919432U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951526A (en) * | 2018-08-09 | 2018-12-07 | 中车山东机车车辆有限公司 | Suction-type sewer scavenger is cleaned by the tunnel of electrician's condition suitable for third rail |
| CN109356062A (en) * | 2018-11-12 | 2019-02-19 | 江苏瑞铁轨道装备股份有限公司 | A kind of self-propelled subway tunnel cleaning vehicle |
| WO2021208829A1 (en) * | 2020-04-13 | 2021-10-21 | 华东理工大学 | Light assembled metro tunnel cleaning vehicle |
| CN112523147A (en) * | 2020-11-12 | 2021-03-19 | 广东能达高等级公路维护有限公司 | Mechanized belt cleaning device in road surface |
| CN114319200A (en) * | 2021-12-29 | 2022-04-12 | 中铁电气化局集团有限公司 | Tunnel section cleaning vehicle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160405 Address after: 610041 No. 134, Xiaojiahe street, hi tech Zone, Sichuan, Chengdu Patentee after: Chengdu Southwest Jiaotong University Drive Technology Co., Ltd. Address before: 610031, No. two, section 111, North Ring Road, Jinniu District, Sichuan, Chengdu, No. 17, building 2, No. 4, building 7, No. 1 Patentee before: Ke Jian |