CN202080247U - Train cleaning equipment - Google Patents
Train cleaning equipment Download PDFInfo
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- CN202080247U CN202080247U CN2011201630325U CN201120163032U CN202080247U CN 202080247 U CN202080247 U CN 202080247U CN 2011201630325 U CN2011201630325 U CN 2011201630325U CN 201120163032 U CN201120163032 U CN 201120163032U CN 202080247 U CN202080247 U CN 202080247U
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- cleaning
- train
- cleaning brush
- axle sleeve
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Abstract
The utility model relates to train cleaning equipment, in particular to an anti-collision induction mechanism for a train cleaning machine. The induction mechanism comprises an anti-collision contact edge, at least one ultrasonic ranging sensor and a plurality of photoelectric sensors, wherein the anti-collision contact edge surrounds the lower edge of a rack and protrudes out of the surface of the rack, and a continuous dry reed switch is arranged in an elastic layer outside the anti-collision contact edge; the plurality of photoelectric sensors are arranged at four corners of the bottom surface of the rack, and the detection direction of the photoelectric sensors faces downward vertically; and the at least one ultrasonic ranging sensor is arranged at the front end of the train cleaning machine in the advancing direction, and the photoelectric sensors, the dry reed switch and the ultrasonic ranging sensor are connected with a control system. The induction mechanism has the advantages of being capable of immediately carrying out emergent braking and ensuring the safety during cleaning of a platform by adopting multiple safety anti-collision protection once a train is detected to be too close to the edge of the platform or too close away from the train, or have barriers in front of the moving direction, or is collided with objects.
Description
Technical field
The utility model relates to a kind of train cleaning apparatus, is specifically related to a kind of train cleaning apparatus.
Background technology
Along with the progress of science and technology, the track traffic technology is more and more flourishing, in the middle of China's high ferro, motor-car and even magnetic suspension train have progressively dropped into actual the use.Because this type of train speed is very fast, be to reduce windage, adopt the vehicle body of streamline moulding substantially, mating surfaces white baking vanish, very beautiful noticeable of whole profile, the science and technology sense is pure.But also brought higher maintenance requirement in the time of good looking appearance.When train operation, dust, train and rail friction produce powder attached to bodywork surface in the air.And the train vehicle body is dirty, and one influences the track traffic image, also should be noted that for the passenger and does not touch vehicle body, in order to avoid the clothing luggage of making dirty; Two expose to the weather after, dust and dirt, corrosion also can slowly infilter in the baking vanish, influence the baking vanish structure, cause body color to change, and even baking vanish come off.So all can clean after motor train unit, magnetic suspension train group and high ferro are returned the vehicle to the garage and knock off every day basically.Existing train clean principle and common car carwash carwash principle basic identical, normally in website, be provided with between special crust cleaning Vehicle, some rails have been laid in the workshop, when train along rail with low speed when cleaning the room, photoelectric switch is sensed train automatically, earlier to the railway carriage dedusting of drying, sprays water smoke afterwards, brush begins action, cleans train completely.
Above-mentioned cleaning way cleans comparatively thorough, but needs the website to appointment, and needs the regular hour, so existing cleaning way can only be to carry out after returning the vehicle to the garage and knock off.And high speed train is owing to adopt white baking vanish vehicle body, and the one way rear surface, various places of passing through promptly is attached with one deck dust, in limited reciprocal time, need clean for the outer railway carriage of a side of on-board and off-board.Be to rely on artificial the cleaning in of short duration berthing time at present, the one side time is short, and cleaning quality can't guarantee, hinders the platform overall image on the other hand.
Summary of the invention
The purpose of this utility model is according to above-mentioned the deficiencies in the prior art part, a kind of train cleaning apparatus is provided, this train cleaning machine adopts the automatic guidance walking, cleans action, once walking can be fast, special quality moves and clean the one-sided outside face of train along platform, remedied the deficiencies in the prior art.
The utility model purpose realizes being finished by following technical scheme:
A kind of train cleaning apparatus is used for the cleaning for the railway car outside face, comprises a frame as main body, it is characterized in that described frame is provided with:
Wiper mechanism is made up of some shower nozzles, water pump, water tank, rotating machine, rotating shaft and the cleaning brush that is socketed in the described rotating shaft; Wherein, described some shower nozzles are fixed at the same side of described frame, and this side is the driving surface that cleaning machine cleans train; Described some shower nozzles are communicated with described water tank by described water pump; Described rotating shaft is installed on the frame, and the non-parallel setting of its axis and ground, and the rotation of described rotating machine directly or indirectly drives described rotating shaft and rotates the cleaning brush coaxial rotation; Described cleaning brush axial length is not less than the elevation of cleaning surface, described cleaning brush rotation back outer margin contour that constitutes and the compartment outer surface profile form fit of being cleaned;
Traveling gear, comprise that a walking drive motor, turns to drive motor, a drive wheel and at least two load-supporting wheel, the described drive wheel that turns to is located at one of described frame bottom surface end, the rotation of described travel driving motor directly or indirectly drives described drive wheel around its axis rotation, the described directly or indirectly axis horizontal rotation of the described wheel flutter of driving of rotation that turns to drive motor, described at least two load-supporting wheel are located at the described relatively other end that turns to drive wheel in described frame bottom surface;
Induction system, comprise crashproof limit, at least two ultrasonic ranging sensors and the some opto-electronic pickups of touching, wherein, the described crashproof limit of touching is end to end ring-type and pocket and is around in described frame lower edge, and protrude in described frame surface, be provided with continuous dried reed switch in the described crashproof outer elastomer layer of touching the limit; Described some opto-electronic pickups are arranged at four jiaos of places of described frame bottom surface, and the detection direction of described opto-electronic pickup straight down; At least two both wings of being located at described driving surface in the described distance measuring sensor;
Control system is connected with a storage battery, connects and receives the signal that described dried reed switch, distance measuring sensor and opto-electronic pickup are sent to, and connect control described water pump, rotating machine, travel driving motor and turn to drive motor.
Described cleaning brush is made up of axle sleeve and some cleaning sheets of being fixed on the described axle sleeve, described axle sleeve is socketed in the described rotating shaft, to be radial arrangement, coincide outside the described cleaning sheet by edge shape and described train cleaning surface shape in described axle sleeve upper edge circumferentially extending for described cleaning sheet.
Described cleaning brush is made up of axle sleeve and some cleaning items of being fixed on the described axle sleeve, and described axle sleeve is socketed in the described rotating shaft, and described cleaning item one end is fixed on the described axle sleeve.
Described cleaning brush height is 1800mm-2500mm, and the maximum gauge scope is 800mm-1200mm.
Be provided with washing lotion box in the described water tank; Described some shower nozzles are divided into two groups, and are respectively in the both sides of described cleaning brush; Described frame is provided with the outer cover that the waterproof mist splashes outside described cleaning brush, this outer cover one side has an opening so that described cleaning brush outer rim is protruded described driving surface.
Described traveling gear includes two balance wheels, and described two balance wheels are symmetrically set in the described drive wheel both sides that turn to.
Per two of described opto-electronic pickup is one group to be divided into is 4 groups that every group of opto-electronic pickup is arranged at one of described frame bottom surface angle, and the opto-electronic pickup detection direction straight down.
Described frame is respectively arranged with at least one described distance measuring sensor in the front and back end of its direct of travel.
Be provided with judge module in the described control system, be preset with the gauged distance threshold value table in this judge module, based on range information and this distance threshold that apomecometer transmitted on the described driving surface, gather poor between the range information by calculating apomecometer, and poor with this distance threshold respectively, rotate to control described steer motor.
The utility model has the advantages that:
1, the outer railway carriage contour design of the imitative motor-car of hairbrush profile can compatible multiple motor train unit vehicle;
2, radar fixing range finding, the automatic steering closed loop control guarantees that traveling is reliably flexible, easy and simple to handle;
3, maltilevel security Anti-bumping protection: radar ranging is protected, anti-platform is fallen optoelectronic induction, guide wheel is crashproof;
4, adopt storage battery that propulsion source is provided, noise is little, characteristics such as the exhaust emissions of no combustion engine;
5, foam hairbrush, slim and graceful difficult the contamination contains sand, the wash degree height, dehydration property is good;
6, but the employing stepless frequency conversion is regulated the water pump of flow hydraulic pressure, atomizer, using water wisely.
Description of drawings
Fig. 1 is the utility model cleaning machine running condition scheme drawing;
Fig. 2 is the utility model wiper mechanism structural representation I;
Fig. 3 is the utility model wiper mechanism structural representation II;
Fig. 4 is the utility model traveling gear scheme drawing;
Fig. 5 is the utility model cleaning machine principle of work scheme drawing;
Fig. 6 is the utility model induction system structural representation I;
Fig. 7 is the utility model induction system structural representation II;
Fig. 8 is the utility model induction system structural representation III.
The specific embodiment
The utility model feature and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that the understanding of technical personnel of the same trade:
, always represent respectively to shown in Figure 8 as Fig. 1: platform 1, train 2, cleaning brush 3, water retaining cover 4, shower nozzle 5, water pump 6, water tank 7, washing lotion box 8, drive wheel 9, load-supporting wheel 10, balance wheel 11, motor reducer 12, crashproofly touch limit 13, ultrasonic distance sensor 14, opto-electronic pickup 15, storage battery 16, electric cabinet 17, steering shaft 18, turn to drive motor 19 with reference to label 1-19.
Shown in Fig. 1-8, the utility model mainly is grouped into by wiper mechanism, traveling gear, induction system and electric control part, below is described in detail for above-mentioned component part:
Wiper mechanism
Mainly form by shower nozzle 5, water pump 6, water tank 7, rotating machine (meaning not shown in the figures), rotating shaft (being positioned at the axis of cleaning brush 3, meaning not shown in the figures) and the cleaning brush 3 that is socketed in the described rotating shaft.The axis of cleaning brush 3 should be parallel to be cleaned of train 2, but because the train side is an arcuation, so cleaning brush 3 axis must with ground at an angle, especially situation about being provided with perpendicular to ground with cleaning brush 3 (be the angle of cut be 90 ° be the best) changes cleaning brush 3 postrotational profiles at this moment and gets final product.Rotating machine drives described rotating shaft by the turbine and worm retarder and rotates, here the driving that relates to can also comprise: the rotating machine output shaft is connected with rotating shaft by belt, perhaps the rotating machine output shaft is being connected of one-level gear continuous action relation or the like with rotating shaft, this repeats no more for those skilled in the art's means of commonly seeing.The structure of cleaning brush 3 can have two kinds: the first is made up of axle sleeve and some cleaning sheets of being fixed on the described axle sleeve, described axle sleeve is socketed in the described rotating shaft, to be radial arrangement, coincide outside the described cleaning sheet by edge shape and described train 2 side views in described axle sleeve upper edge circumferentially extending for described cleaning sheet; To be described cleaning brush be made up of axle sleeve and some cleaning items of being fixed on the described axle sleeve another kind of structure, described axle sleeve is socketed in the described rotating shaft, one end of described cleaning item fixing with described axle sleeve on, described cleaning item rotation hike up be radial back constitute outside shape identical with described train 2 side views.These two kinds all are to make cleaning sheet (bar) rotation rapidly around the shaft by centnifugal force, thereby take away the dirt that adheres on the train.Because its design is gone up and cooperated the train shape, adds that cleaning item (sheet) is a soft material, profile has the place of not matching also can remedy by cleaning item (sheet) bending, so can adapt to the high speed train of streamline moulding.Above-mentioned cleaning sheet (bar) can adopt various materials such as foam, fiber, cotton, cloth.Simultaneously as can be seen, by above-mentioned cleaning principle when work outside the cleaning brush 3 edge must protrude the driving surface of cleaning machine.Cleaning brush 3 highly and diameter needs and train cooperates, and its height should be between 1800mm-2500mm, and maximum gauge is between 800mm-1200mm.Motor-car with CRH1, CRH2, CRH3, CRH380, CRH5 is an example, and cleaning brush 3 highly is 900mm for 2100mm (need to clean the position height consistent with above-mentioned motor-car), the minimum place of diameter, and maximum is 1100mm.Totally 12 in shower nozzle 5 is divided into two groups, is fixed at the driving surface that cleaning machine is used to clean train 2.These two groups of shower nozzles 5 are respectively in the both sides of cleaning brush 3, and per two shower nozzles 5 are communicated with by 6 drivings of a water pump and with water tank 7.For cleaning stain, also be provided with washing lotion box 8 in the water tank 7, be equipped with washer solvent in the washing lotion box 8 into train 2 special configuration.For the globule, the water smoke of avoiding cleaning brush 3 rotations to cause splashes, cleaning machine is provided with the water retaining cover 4 that the waterproof mist splashes outside cleaning brush 3, and these water retaining cover 4 one sides have an opening so that cleaning brush 3 outer rims are protruded driving surface.
Traveling gear
Movable part as cleaning machine.Mainly turn to drive motor 19, a drive wheel 9, two balance wheels 11 and at least two load-supporting wheel 10 to form by a walking drive motor.The purpose of travel driving motor setting is as the whole drive motor that moves of cleaning machine, turn to drive motor 19 then to move the drive motor of middle change of direction as cleaning machine, when traveling gear departs from train, turn to drive motor 19 to adjust the direction of drive wheel, make traveling gear and train keeping parallelism relative position relation.Referring to accompanying drawing, the axis two ends of drive wheel 9 are all fixing with a steering shaft 18, and steering shaft 18 is vertically installed in directly over the drive wheel 9.Drive wheel 9 is held before being located at the cleaning machine bottom surface, the rotation of travel driving motor directly or indirectly drives drive wheel 9 around its axis rotation, turn to the rotation of drive motor 19 directly or indirectly to drive steering shaft 18, and then the axis horizontal of drive wheel 9 is rotated around its axis rotation.Here directly or indirectly drive and comprise: walking (turning to) drive motor output shaft is by belt or gear and drive wheel 9(steering shaft 18) be connected or the like, this repeats no more for those skilled in the art's means of commonly seeing.Described two balance wheels 11 are symmetrically set in described drive wheel 9 both sides, are located at the described relatively other end of stating drive wheel 9 in described cleaning machine bottom surface at least two in the described load-supporting wheel 10.Here the quantity of load-supporting wheel 10 can be two, four even more, for example selects 4 a load-supporting wheel 10+2 balance wheel 11+1 drive wheel 9 for use, has both satisfied steamboat footpath, low chassis, load-carrying is big, drive configuration is compact, the intelligent work of steering manipulation; Also can use 2 a load-supporting wheel 10+2 balance wheel 11+1 drive wheel 9, both satisfy steamboat footpath, low chassis, load-carrying is big, drive configuration is compact, the intelligent work of steering manipulation.Those skilled in the art's means of commonly seeing that are chosen as of this kind structure do not repeat them here.
Induction system
Comprise crashproof limit 13, at least two ultrasonic distance sensors 14 and some opto-electronic pickups 15 of touching.Wherein:
The described crashproof limit 13 of touching is end to end ring-type and pocket and is around in described cleaning machine lower edge, and the described crashproof outer elastic rubber layer that touches limit 13 wherein is distributed with continuous dried reed switch (not shown).Owing to crashproofly touch the lower edge that limit 13 protrudes from cleaning machine, before cleaning machine was about to touch object, the crashproof limit 13 of touching at first contacted this object, touches dried reed switch simultaneously, and dried reed switch sends a signal to electric cabinet 17, the cleaning machine automatic emergency brake.
Per two of described opto-electronic pickup 14 is one group to be divided into is 4 groups, every group of opto-electronic pickup 14 is arranged at one of described cleaning machine bottom surface angle, and the detection direction of probe straight down, the every nook and cranny is provided with two opto-electronic pickups, purpose is to survey the edge, platform, and the every nook and cranny is a Redundancy Design with two purpose.The effect of opto-electronic pickup 14 is real-time detection platform edges, draws cleaning machine by computational analysis and whether exceeds platform edge, and as excess edge, controller receives the actuating signal of opto-electronic pickup, the cleaning machine automatic emergency brake.
Two ultrasonic distance sensors 15 are set on the driving surface of cleaning machine, and are located at the both wings of this driving surface respectively.Two ultrasonic distance sensors 15 on the driving surface are used for measuring in real time the distance of cleaning machine and motor train unit, record distance with train in real time by former and later two ultrasonic ranging sensors 15, calculate the relative position of cleaning machine and train, drive steer motor by result of calculation and adjust direction of travel in real time.Referring to Fig. 4, cleaning machine is provided with three apomecometers 15 in the front end of its direct of travel, and whether cleaning machine moving direction on have encumbrance, if any the cleaning machine automatic emergency brake if being used to detect.
Control system
Major part is an electric cabinet 17, and electric cabinet 17 is connected with a storage battery 16, and storage battery 16 connects the execution unit on electric water pump, steer motor, movable motor, rotating machine or the like the cleaning machine simultaneously.Electric cabinet 17 connects and receives the signal that described dried reed switch, ultrasonic distance sensor 15 and opto-electronic pickup 14 are sent to, and the described water pump 6 of control linkage, steer motor, movable motor and rotating machine.Be provided with judge module in the electric cabinet 17, be preset with the gauged distance threshold value table in this judge module, the structure of postrotational radius length of cleaning sheet (bar) and platform 1 is relevant on gauged distance threshold value table and the cleaning brush 3.The range information and this distance threshold that are transmitted based on apomecometer on the driving surface 15 are gathered poor between the range informations by calculating apomecometer 15, and poor with this distance threshold respectively, rotate to control described steer motor.
For example on the driving surface last ultrasonic distance sensor 15 greater than the back one ultrasonic distance sensor 15, and both record distance all greater than distance threshold, then cleaning machine has broken away from train 2, and be tending towards away from train 2, this moment, electric cabinet 17 control steer motor were rotated, and drive wheel 9 rotates and makes cleaning machine near train 2.Greater than back one apomecometer 15, and both record distance all less than distance threshold as last apomecometer 15 on the driving surface, the too close train 2 of cleaning machine this moment, and be tending towards away from train 2, the cleaning machine working direction is correct, can keep this direction.Thus, adjust steering swivel system by constantly detecting cleaning machine in real time from the distance of train 2, direction adjustment after each the calculating all is the correction for the last time action, after setting suitable time interval, make cleaning machine from train 2 in the actv. operating range, guaranteed that cleaning brush 3 has suitable pressure and operating distance for train 2 all the time, guaranteed cleaning performance.
The ultrasonic distance sensor 15 that uses in the foregoing description, can be according to real needs, select dissimilar apomecometers, as laser rangefinder, infrared range-measurement system or the like, the selection to opto-electronic pickup 14 quantity also not only is confined to this in the foregoing description simultaneously, is satisfying under the situation of other conditions, as the case may be, quantity is increased and decreased arbitrarily, do not repeat them here.
Claims (9)
1. a train cleaning apparatus is used for the cleaning for the railway car outside face, comprises a frame as main body, it is characterized in that described frame is provided with:
Wiper mechanism is made up of some shower nozzles, water pump, water tank, rotating machine, rotating shaft and the cleaning brush that is socketed in the described rotating shaft; Wherein, described some shower nozzles are fixed at the same side of described frame, and this side is the driving surface that cleaning machine cleans train; Described some shower nozzles are communicated with described water tank by described water pump; Described rotating shaft is installed on the frame, and the non-parallel setting of its axis and ground, and the rotation of described rotating machine directly or indirectly drives described rotating shaft and rotates the cleaning brush coaxial rotation; Described cleaning brush axial length is not less than the elevation of cleaning surface, described cleaning brush rotation back outer margin contour that constitutes and the compartment outer surface profile form fit of being cleaned;
Traveling gear, comprise that a walking drive motor, turns to drive motor, a drive wheel and at least two load-supporting wheel, the described drive wheel that turns to is located at one of described frame bottom surface end, the rotation of described travel driving motor directly or indirectly drives described drive wheel around its axis rotation, the described directly or indirectly axis horizontal rotation of the described wheel flutter of driving of rotation that turns to drive motor, described at least two load-supporting wheel are located at the described relatively other end that turns to drive wheel in described frame bottom surface;
Induction system, comprise crashproof limit, at least two ultrasonic ranging sensors and the some opto-electronic pickups of touching, wherein, the described crashproof limit of touching is end to end ring-type and pocket and is around in described frame lower edge, and protrude in described frame surface, be provided with continuous dried reed switch in the described crashproof outer elastomer layer of touching the limit; Described some opto-electronic pickups are arranged at four jiaos of places of described frame bottom surface, and the detection direction of described opto-electronic pickup straight down; At least two both wings of being located at described driving surface in the described distance measuring sensor;
Control system is connected with a storage battery, connects and receives the signal that described dried reed switch, distance measuring sensor and opto-electronic pickup are sent to, and connect control described water pump, rotating machine, travel driving motor and turn to drive motor.
2. a kind of train cleaning apparatus as claimed in claim 1, it is characterized in that: described cleaning brush is made up of axle sleeve and some cleaning sheets of being fixed on the described axle sleeve, described axle sleeve is socketed in the described rotating shaft, to be radial arrangement, coincide outside the described cleaning sheet by edge shape and described train cleaning surface shape in described axle sleeve upper edge circumferentially extending for described cleaning sheet.
3. a kind of train cleaning apparatus as claimed in claim 1 is characterized in that: described cleaning brush is made up of axle sleeve and some cleaning items of being fixed on the described axle sleeve, and described axle sleeve is socketed in the described rotating shaft, and described cleaning item one end is fixed on the described axle sleeve.
4. as claim 1,2 or 3 described a kind of train cleaning apparatuss, it is characterized in that: described cleaning brush height is 1800mm-2500mm, and the maximum gauge scope is 800mm-1200mm.
5. a kind of train cleaning apparatus as claimed in claim 1 is characterized in that: be provided with washing lotion box in the described water tank; Described some shower nozzles are divided into two groups, and are respectively in the both sides of described cleaning brush; Described frame is provided with the outer cover that the waterproof mist splashes outside described cleaning brush, this outer cover one side has an opening so that described cleaning brush outer rim is protruded described driving surface.
6. a kind of train cleaning apparatus as claimed in claim 1 is characterized in that: described traveling gear includes two balance wheels, and described two balance wheels are symmetrically set in the described drive wheel both sides that turn to.
7. a kind of train cleaning apparatus as claimed in claim 1 is characterized in that: per two of described opto-electronic pickup is one group to be divided into is 4 groups that every group of opto-electronic pickup is arranged at one of described frame bottom surface angle, and the opto-electronic pickup detection direction straight down.
8. a kind of train cleaning apparatus as claimed in claim 1 is characterized in that: described frame is respectively arranged with at least one described distance measuring sensor in the front and back end of its direct of travel.
9. a kind of train cleaning apparatus as claimed in claim 1, it is characterized in that: be provided with judge module in the described control system, be preset with the gauged distance threshold value table in this judge module, based on range information and this distance threshold that apomecometer transmitted on the described driving surface, gather poor between the range information by calculating apomecometer, and poor with this distance threshold respectively, rotate to control described steer motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201630325U CN202080247U (en) | 2011-05-20 | 2011-05-20 | Train cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201630325U CN202080247U (en) | 2011-05-20 | 2011-05-20 | Train cleaning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202080247U true CN202080247U (en) | 2011-12-21 |
Family
ID=45340894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201630325U Expired - Lifetime CN202080247U (en) | 2011-05-20 | 2011-05-20 | Train cleaning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202080247U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275571A (en) * | 2011-05-20 | 2011-12-14 | 上海铁路经济开发有限公司 | Train cleaning apparatus |
| CN103158679A (en) * | 2012-08-31 | 2013-06-19 | 徐自升 | Automatic cleaning device for train body outer shell of high-speed train |
| CN104149751A (en) * | 2014-07-29 | 2014-11-19 | 宁波国创机车装备有限公司 | Mobile cleaning equipment |
| CN105035031A (en) * | 2015-07-13 | 2015-11-11 | 郝立芝 | High-speed rail train cleaning equipment |
-
2011
- 2011-05-20 CN CN2011201630325U patent/CN202080247U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275571A (en) * | 2011-05-20 | 2011-12-14 | 上海铁路经济开发有限公司 | Train cleaning apparatus |
| CN102275571B (en) * | 2011-05-20 | 2014-02-05 | 上海铁路经济开发有限公司 | Train cleaning apparatus |
| CN103158679A (en) * | 2012-08-31 | 2013-06-19 | 徐自升 | Automatic cleaning device for train body outer shell of high-speed train |
| CN104149751A (en) * | 2014-07-29 | 2014-11-19 | 宁波国创机车装备有限公司 | Mobile cleaning equipment |
| CN105035031A (en) * | 2015-07-13 | 2015-11-11 | 郝立芝 | High-speed rail train cleaning equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111221 Effective date of abandoning: 20140205 |
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| RGAV | Abandon patent right to avoid regrant |