CN108909728A - The water supply device of rail traffic - Google Patents

The water supply device of rail traffic Download PDF

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Publication number
CN108909728A
CN108909728A CN201811074991.2A CN201811074991A CN108909728A CN 108909728 A CN108909728 A CN 108909728A CN 201811074991 A CN201811074991 A CN 201811074991A CN 108909728 A CN108909728 A CN 108909728A
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CN
China
Prior art keywords
water
supply device
water inlet
rail traffic
section
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Granted
Application number
CN201811074991.2A
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Chinese (zh)
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CN108909728B (en
Inventor
谢程
姜旭东
孙涔翔
丁策
赵科
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Shuangmei Rail Transit Technology Co Ltd
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Jiangsu Shuangmei Rail Transit Technology Co Ltd
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Priority to CN201811074991.2A priority Critical patent/CN108909728B/en
Publication of CN108909728A publication Critical patent/CN108909728A/en
Application granted granted Critical
Publication of CN108909728B publication Critical patent/CN108909728B/en
Active legal-status Critical Current
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61CLOCOMOTIVES; MOTOR RAILCARS
    • B61C17/00Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
    • B61C17/02Bunkers; Tanks; Tenders; Water or fuel pick-up or scoop apparatus; Water or fuel supply fittings

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Pipeline Systems (AREA)

Abstract

The present invention provides a kind of water supply devices of rail traffic, including:Inlet pipeline is provided with the first solenoid valve on the inlet pipeline;Hollow axle, the hollow axle it is closed at one end, the other end is connected by the water outlet of rotary joint and inlet pipeline;Reel, the reel are fixedly connected around hollow axle and with hollow axle;Bending tube, the side wall connection of the close closed end of one end and hollow axle of the bending tube, the other end of the bending tube are connect by the notch on the reel with water pipe, and the water pipe is coiled on the outer wall of reel;First motor, the first motor are connect by gear set with the hollow axle;Control system, for controlling the first solenoid valve and first motor;The water supply device of this rail traffic can be filled the water rapidly and efficiently to vehicle, saved a large amount of manpower, also improved the efficiency of water filling.

Description

The water supply device of rail traffic
Technical field
The present invention relates to the auxiliary facility of rail traffic more particularly to a kind of water supply devices of rail traffic.
Background technique
The water storage tank volume of passenger train each compartment of the existing passenger train in China is 1000L, dining car water storage tank volume It is at present to allow worker the water inlet of the water pipe insertion water storage tank of a tap water of ining succession to the mode of train watering for 1500L, The current water feeding mode that facts have proved that a upper water conservancy project uses will complete the upper of four array carriages within the dwell time of 6~8min Water conservancy project is made, and labor intensity is too big, and sufficient moisture can not be supplemented to train, to next platform as last time is supplement water And it is duplicate carry out water supply operation, be a kind of waste to human resources.
Summary of the invention
The technical problem to be solved by the present invention is to:In order to solve to add the mode of water more to the water storage tank of compartment at present Fall behind, needs to consume very big manpower, and do not send out by hydropenic problem in several minutes to stop, the present invention provides one kind The water supply device of rail traffic solves the above problems.
Invention solves technical solution used by its technical problem:A kind of water supply device of rail traffic, including:
Inlet pipeline is provided with the first solenoid valve on the inlet pipeline;
Hollow axle, the hollow axle it is closed at one end, the other end is connected by the water outlet of rotary joint and inlet pipeline;
Reel, the reel are fixedly connected around hollow axle and with hollow axle;
Bending tube, the close closed end of one end and hollow axle of the bending tube side wall connection, the bending tube it is another End is connect by the notch on the reel with water pipe, and the water pipe is coiled on the outer wall of reel;
First motor, the first motor are connect by gear set with the hollow axle;
Control system, for controlling the first solenoid valve and first motor.
Preferably, further including return pulley, pinch roller, the second motor and hold-down mechanism, the water pipe is sandwiched in pinch roller and return pulley Between and clamped by hold-down mechanism, the output shaft of second motor coaxially fixes with return pulley, and the control system is also used In control second motor.
Preferably, the hold-down mechanism includes the first frame and the second frame, the return pulley passes through what axis can rotate It is fixed in the first frame, the pinch roller is fixed in the second frame by what axis can rotate, the side of second frame Hinged with the side of the first frame, the other side of second frame is connect with the other side of the first frame by spring.
Preferably, further including leading truck and directive wheel, the leading truck has pilot hole, and multiple directive wheels are led described in It is arranged to hole, the water pipe is passed through from the pilot hole after between return pulley and pinch roller.
Preferably, the axial sides of the reel are provided with two layers of baffle, the spacing distance of two layers of baffle is bigger Outer diameter in water pipe or the outer diameter equal to water pipe.
Preferably, the inlet pipeline includes the first water inlet segment, the second water inlet segment and third water inlet segment, it is described Water meter is installed on the first water inlet segment and its water outlet passes through three-way connection and the second water inlet segment and third water inlet pipe Section connection, the water outlet of second water inlet segment and the water outlet of third water inlet segment are connect with the rotary joint, described First solenoid valve is arranged on the second water inlet segment, and first manual valve, the third are additionally provided on second water inlet segment The second hand-operated valve is provided on water inlet segment.
Preferably, further include discharge pipe line, the discharge pipe line includes the first drainpipe section, the second drainpipe section, the Three draining pipeline sections and the 4th draining pipeline section, the water outlet of the water inlet, rotary joint, the second water inlet segment of the first drainpipe section Mouth is connected with the water outlet of third water inlet segment by four-way connection, and the water inlet of the second drainpipe section, third drain pipeline section Water inlet and the water outlet of the first drainpipe section are connected by three-way connection, water outlet, the third drainpipe of the second drainpipe section The water inlet of the water outlet of section and the 4th draining pipeline section is connected by three-way connection, is provided with second in the second drainpipe section Solenoid valve and third hand-operated valve, the third drain and are provided with the 4th hand-operated valve on pipeline section, and the control system is also used to control The second solenoid valve.
Preferably, further including the heater and temperature sensor being arranged in by inlet pipeline, the control system is also used In the data for obtaining the temperature sensor and control the heater.
Preferably, first solenoid valve is coated with graphene insulation film in appearance.
Preferably, further including the pedometer for using detection reel turnning circle, the control system is for obtaining pedometer Data.
The invention has the advantages that the water supply device of this rail traffic can be filled the water rapidly and efficiently to vehicle, A large amount of manpower is saved, the efficiency of water filling is also improved.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of water supply device one embodiment of rail traffic.
Fig. 2 is the partial structural diagram of water supply device one embodiment of rail traffic.
Fig. 3 is the partial structural diagram of water supply device one embodiment of rail traffic.
Fig. 4 is the partial structural diagram of water supply device one embodiment of rail traffic.
Fig. 5 is the partial structural diagram of water supply device one embodiment of rail traffic.
Fig. 6 is the partial structural diagram of water supply device one embodiment of rail traffic.
Fig. 7 is the partial structural diagram of water supply device one embodiment of rail traffic.
Fig. 8 is the partial structural diagram of water supply device one embodiment of rail traffic.
Fig. 9 is the partial structural diagram of water supply device one embodiment of rail traffic.
1, inlet pipeline in figure, the 2, first solenoid valve, 3, hollow axle, 4, rotary joint, 5, reel, 6, plate, 7, folding Bend pipe, 8, first motor, 9, driving gear, 10, driven gear, 11, bearing block, 501, first part, 502, second part;
12, first manual valve, the 13, second hand-operated valve, 15, second solenoid valve, 16, third hand-operated valve, the 17, the 4th hand-operated valve, 101, the first water inlet segment, the 102, second water inlet segment, 103, third water inlet segment, the 1401, first drainpipe section, 1402, Two draining pipeline sections, 1403, third draining pipeline section, the 1404, the 4th draining pipeline section;
18, return pulley, 19, pinch roller, the 20, second motor, the 21, first frame, the 22, second frame, 23, lifting lug;
24, leading truck, 25, directive wheel, 26, baffle, 27, pedometer, 28, electric T-shaped valve.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axial direction ", The orientation or positional relationship of the instructions such as " radial direction ", " circumferential direction " is to be based on the orientation or positional relationship shown in the drawings, merely to just In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with Specific orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important Property.In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected ", " connection " are answered It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can be mechanical connect It connects, is also possible to be electrically connected;It can be directly connected, it can also be indirectly connected through an intermediary.For the common of this field For technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.In addition, in description of the invention In, unless otherwise indicated, the meaning of " plurality " is two or more.
As shown in Fig. 1 ~ 3, the present invention provides a kind of water supply devices of rail traffic, including:
Inlet pipeline 1 is provided with the first solenoid valve 2 on inlet pipeline 1, and the first solenoid valve 2 is for controlling 1 certain of inlet pipeline On-off;
Hollow axle 3, hollow axle 3 it is closed at one end, the dynamic connector of the other end and rotary joint 4 and can rotate, intake The water outlet of pipeline 1 is connect with the quiet connector of rotary joint 4;It dallies from the inflow of inlet pipeline 1 by the way that 4 water energy of rotary joint is enough In axis 3;
Reel 5, the first part 501 of reel 5 are the circular arc coaxial with hollow axle 3, one end of the second part 502 of reel 5 Be connected with one end of first part 501, interior deflector from other end to first part 501 and with first part 501 in addition One end forms a notch, and the closed end of hollow axle 3 is inserted into from the side of reel 5, and the other side of reel 5 is fixed with one piece The closed end of plate 6, hollow axle 3 is fixedly connected by ring flange with plate 6, to drive reel 5 when hollow axle 3 rotates It rotates together;
The side wall of bending tube 7, the close closed end of one end and hollow axle 3 of bending tube 7 is connect, and the inside of bending tube 7 is in The inside of pony axle 3 is connected to, and the other end of bending tube 7 is connect by the notch on reel 5 with water pipe, and water pipe is coiled in reel 5 Outer wall on;
First motor 8, first motor 8 are connect by gear set with hollow axle 3;Gear set includes the output with first motor 8 The fixed driving gear 9 of axis and the driven gear 10 fixed with hollow axle 3, driving gear 9 and driven gear 10 engage.It is driven The two sides of gear 10 are respectively arranged with a bearing block 11, hollow axle 3 pass through two bearing blocks 11 and in bearing block 11 Bearing fit.
Control system, for controlling the first solenoid valve 2 and first motor 8.Control system includes PLC, Switching Power Supply, send water Button and closed tube button, the output point of PLC and the first solenoid valve 2 and first motor 8 are electrically connected, and the input point of PLC and send water Button and closed tube button are electrically connected, and Switching Power Supply connects alternating current and powers to PLC and first motor 8.
Multiple this water supply devices are set AT STATION, the spacing distance between water supply device is arranged according to the length in compartment And the length of water pipe, the case where to test at present for, a water supply device can supply water to 3 section compartments.When car enters the station Afterwards, worker draws water pipe at the water storage tank in compartment, and the water outlet of water pipe is inserted on water storage tank, and worker, which presses, send water button, First solenoid valve 2 is opened, and starts to add water.After adding water, the first solenoid valve 2 is closed, and start first motor 8,5 turns of reel It is dynamic to pack up water pipe.
If the first solenoid valve 2 breaks down, it is likely to result in the case where can not being discharged or can not stop water outlet, in order to It is very difficult for this to happen, in some other examples, as shown in figure 4, inlet pipeline 1 includes the first water inlet segment 101, the Two water inlet segments 102 and third water inlet segment 103 are equipped with water meter on first water inlet segment 101 and its water outlet pass through Three-way connection is connect with the second water inlet segment 102 and third water inlet segment 103, the water outlet and third of the second water inlet segment 102 The water outlet of water inlet segment 103 is connect with rotary joint 4, the first solenoid valve 2 be arranged on the second water inlet segment 102, second into It is additionally provided with first manual valve 12 in water pipe section 102, the second hand-operated valve 13 is provided on third water inlet segment 103.Second water inlet Pipeline section 102 and third water inlet segment 103 are two pipelines in parallel, when the first solenoid valve 2 breaks down, are turned off manually first Hand-operated valve 12, guarantee the second water inlet segment 102 will not leak, then manually opened second hand-operated valve 13 is when water filling It can.As shown in figure 9, the first water inlet segment 101 passes through electric T-shaped valve 28 and the second water inlet pipe in some other embodiments Section 102 and third water inlet segment 103 connect.
In some other embodiments, water supply device further includes discharge pipe line, and discharge pipe line includes the first drainpipe section 1401, the second drainpipe section 1402, third draining pipeline section 1403 and the 4th draining pipeline section 1404, the first drainpipe section 1401 into The mouth of a river, rotary joint 4, the water outlet of the second water inlet segment 102 and third water inlet segment 103 water outlet pass through four-way connection and connect It connects, water inlet, the water inlet of third draining pipeline section 1403 and the water outlet of the first drainpipe section 1401 of the second drainpipe section 1402 Mouth passes through three-way connection and connects, the water outlet of the second drainpipe section 1402, the water outlet of third draining pipeline section 1403 and the 4th row The water inlet of water pipe section 1404 is connected by three-way connection, is provided with second solenoid valve 15 and third in the second drainpipe section 1402 Hand-operated valve 16, third drain and are provided with the 4th hand-operated valve 17 on pipeline section 1403, and an output point and second solenoid valve 15 of PLC connects It connects, an input point of PLC is connected with drain button.Setting discharge pipe line is because after adding water to compartment every time, in pipeline Having water left behind, and the time, which has been grown, can breed bacterium and go bad, and will lead to the water degradation in compartment when filling the water again, secondly In the place of some colds, remaining water can freeze, freezing pipeline.
When draining, the first solenoid valve 2 is closed, presses drain button, PLC opens second solenoid valve 15, closes after draining Close second solenoid valve 15.
In order to reduce labor intensity when staff pulls out water pipe, the speed for pulling out water pipe is improved, some other In example, as shown in Fig. 5 ~ 6, water supply device further includes return pulley 18, pinch roller 19, the second motor 20 and hold-down mechanism, hold-down mechanism Including the first frame 21 and the second frame 22, return pulley 18 is fixed in the first frame 21 by what axis can rotate, and pinch roller 19 is logical That crosses that axis can rotate is fixed in the second frame 22, and the side of the second frame 22 and the side of the first frame 21 are hinged, and first The articulated shaft of frame 21 and the second frame 22 is rotating perpendicular to return pulley 18 and pinch roller 19, and in the other side of the second frame 22 It is provided with lifting lug 23, the other side of the first frame 21 is also provided with lifting lug 23, the lifting lug 23 and second of the first frame 21 accordingly It is connected between the lifting lug 23 of frame 22 by spring.The output shaft of second motor 20 is solid by the rotation axis of shaft coupling and return pulley 18 Fixed connection, an output point of PLC and the second motor 20 are electrically connected, and an input point of PLC is connected to one and puts pipe button.Water The water outlet of pipe passes through between pinch roller 19 and return pulley 18 and water pipe is clamped by pinch roller 19 and return pulley 18, due to 18 He of return pulley The effect of pinch roller 19 is not to clamp water pipe, and a small amount of clamping force is provided simply by hold-down mechanism, to provide certain rub Power is wiped, water pipe can be brought out when return pulley 18 and pinch roller 19 rotate, so the centre of return pulley 18 and pinch roller 19 all has arc The recess portion of shape is unlikely to influence to be discharged by water pipe compressive strain.
As shown in fig. 7, water supply device further includes leading truck 24 and directive wheel 25, leading truck in some other examples 24 have pilot hole, and water pipe has certain degree of hardness, so the position of pilot hole should be between pinch roller 19 and return pulley 18 The similar height of water pipe channel;Four directive wheels 25 arrange that water pipe is by the water pipe between return pulley 18 and pinch roller 19 along pilot hole It is passed through from pilot hole behind channel.
As shown in figure 8, the axial sides of reel 5 are provided with two layers of baffle 26, two layers of gear according to some other embodiments Outer diameter of the spacing distance of plate 26 slightly larger than the outer diameter of water pipe or equal to water pipe.The each layer of water in this way on reel 5 Pipe only has one, will not be mixed and disorderly, and either closed tube still puts the progress that pipe can be much smoother.In addition to this, water supply device It further include defeated with the pedometer 27 of detection 5 turnning circle of reel, such as the sensor of detection gear turnning circle, one of PLC Access point is connect with pedometer 27, obtains the data of pedometer 27.Each layer of water pipe on reel 5 only has one, then pedometer It is just more accurate when the length that 27 data reductions detected are released at water pipe.
For colder area, anti-antipriming pipe is frozen in, and in some other embodiments, water supply device further includes The heater and temperature sensor on the side of inlet pipeline 1 be set, heater can be air-heater or adding thermal resistance, and the one of PLC A input point is connect with temperature sensor, obtains the environment temperature that temperature sensor detects, an output point of PLC and heating Device connection starts heater if environment temperature is lower than threshold value and is heated.Further solenoid valve is prevented to be damaged by frost, first Solenoid valve 2 and second solenoid valve 15 are coated with graphene insulation film in appearance.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, not to the schematic representation of the term Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any One or more embodiment or examples in can be combined in any suitable manner.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.

Claims (10)

1. a kind of water supply device of rail traffic, which is characterized in that including:
Inlet pipeline is provided with the first solenoid valve on the inlet pipeline;
Hollow axle, the hollow axle it is closed at one end, the other end is connected by the water outlet of rotary joint and inlet pipeline;
Reel, the reel are fixedly connected around hollow axle and with hollow axle;
Bending tube, the close closed end of one end and hollow axle of the bending tube side wall connection, the bending tube it is another End is connect by the notch on the reel with water pipe, and the water pipe is coiled on the outer wall of reel;
First motor, the first motor are connect by gear set with the hollow axle;
Control system, for controlling the first solenoid valve and first motor.
2. the water supply device of rail traffic as described in claim 1, it is characterised in that:It further include return pulley, pinch roller, the second electricity Machine and hold-down mechanism, the water pipe are sandwiched between pinch roller and return pulley and are clamped by hold-down mechanism, second motor Output shaft is coaxially fixed with return pulley, and the control system is also used to control second motor.
3. the water supply device of rail traffic as claimed in claim 2, it is characterised in that:The hold-down mechanism includes the first frame Frame and the second frame, the return pulley are fixed in the first frame by what axis can rotate, and the pinch roller can be rotated by axis Be fixed in the second frame, the side of second frame and the side of the first frame are hinged, second frame it is another Side is connect with the other side of the first frame by spring.
4. the water supply device of rail traffic as claimed in claim 3, it is characterised in that:It further include leading truck and directive wheel, The leading truck has pilot hole, and multiple directive wheels arrange that the water pipe is after between return pulley and pinch roller along the pilot hole It is passed through from the pilot hole.
5. the water supply device of rail traffic as described in claim 1, it is characterised in that:The axial sides of the reel are arranged There are two layers of baffle, outer diameter of the spacing distance of two layers of baffle slightly larger than the outer diameter of water pipe or equal to water pipe.
6. the water supply device of rail traffic as described in claim 1, it is characterised in that:The inlet pipeline include first into Water pipe section, the second water inlet segment and third water inlet segment are equipped with water meter and its water outlet on first water inlet segment Connect by three-way connection with the second water inlet segment and third water inlet segment, the water outlet of second water inlet segment and third into The water outlet of water pipe section is connect with the rotary joint, and first solenoid valve is arranged on the second water inlet segment, and described second It is additionally provided with first manual valve on water inlet segment, is provided with the second hand-operated valve on the third water inlet segment.
7. the water supply device of rail traffic as claimed in claim 6, it is characterised in that:It further include discharge pipe line, the row Water lines include the first drainpipe section, the second drainpipe section, third draining pipeline section and the 4th draining pipeline section, first drainpipe The water inlet of section, rotary joint, the water outlet of the second water inlet segment and third water inlet segment water outlet pass through four-way connection company It connects, water inlet, the water inlet of third draining pipeline section and the water outlet of the first drainpipe section of the second drainpipe section are connected by three The water inlet of head connection, the water outlet of the second drainpipe section, the water outlet of third draining pipeline section and the 4th draining pipeline section passes through three Pass joint connects, and second solenoid valve and third hand-operated valve are provided in the second drainpipe section, and the third drains on pipeline section It is provided with the 4th hand-operated valve, the control system is also used to control the second solenoid valve.
8. the water supply device of rail traffic as described in claim 1, it is characterised in that:It further include being arranged by inlet pipeline Heater and temperature sensor, the control system is also used to obtain the data of the temperature sensor and controls the heating Device.
9. the water supply device of rail traffic as described in claim 1, it is characterised in that:First solenoid valve is in appearance It is coated with graphene insulation film.
10. the water supply device of rail traffic as described in claim 1, it is characterised in that:It further include with detection reel rotation The pedometer of number is enclosed, the control system is used to obtain the data of pedometer.
CN201811074991.2A 2018-09-14 2018-09-14 Water supply device for rail transit Active CN108909728B (en)

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Application Number Priority Date Filing Date Title
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CN108909728B CN108909728B (en) 2023-11-17

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114313871A (en) * 2022-01-15 2022-04-12 师杨 Intelligent corridor flushing device and control method thereof

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CN202374811U (en) * 2011-12-19 2012-08-15 河北省农林科学院粮油作物研究所 High crop clearance self-propelled irrigating machine
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CN203840875U (en) * 2014-05-27 2014-09-24 丹东渤海节水灌溉设备有限公司 Movable reel type irrigation unit
CN105539507A (en) * 2016-01-19 2016-05-04 苗荟 Passenger car water feeding equipment provided with internally-arranged valve set and rubber hose turning grooves
CN106586727A (en) * 2016-11-15 2017-04-26 广西大学 Automatic tube coiling machine convenient to mount and dismount
CN206885072U (en) * 2017-06-06 2018-01-16 陕西千方科技发展有限责任公司 Water detection control apparatus on a kind of railway passenger train
CN208715190U (en) * 2018-09-14 2019-04-09 江苏双美轨道交通科技有限公司 The water supply device of rail traffic

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06257195A (en) * 1993-03-05 1994-09-13 Central Japan Railway Co Feed water supply system
CN2351948Y (en) * 1998-03-31 1999-12-08 何俊秋 Man-power movable water spraying installation
WO1999061285A2 (en) * 1998-05-28 1999-12-02 Consorcio G Grupo Dina, S.A. De C.V. Improved water supply and drainage system for motor vehicle toilets
CN201056210Y (en) * 2007-02-13 2008-05-07 闫松林 Water-supply device of railway train
CN202374811U (en) * 2011-12-19 2012-08-15 河北省农林科学院粮油作物研究所 High crop clearance self-propelled irrigating machine
CN202728234U (en) * 2012-06-14 2013-02-13 青岛四机宏达工贸有限公司 High-speed train electrically-controlled drainage device
CN203840875U (en) * 2014-05-27 2014-09-24 丹东渤海节水灌溉设备有限公司 Movable reel type irrigation unit
CN105539507A (en) * 2016-01-19 2016-05-04 苗荟 Passenger car water feeding equipment provided with internally-arranged valve set and rubber hose turning grooves
CN106586727A (en) * 2016-11-15 2017-04-26 广西大学 Automatic tube coiling machine convenient to mount and dismount
CN206885072U (en) * 2017-06-06 2018-01-16 陕西千方科技发展有限责任公司 Water detection control apparatus on a kind of railway passenger train
CN208715190U (en) * 2018-09-14 2019-04-09 江苏双美轨道交通科技有限公司 The water supply device of rail traffic

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114313871A (en) * 2022-01-15 2022-04-12 师杨 Intelligent corridor flushing device and control method thereof

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