CN107234985A - A kind of railway tunnel automatic deicer and its de-icing method - Google Patents
A kind of railway tunnel automatic deicer and its de-icing method Download PDFInfo
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- CN107234985A CN107234985A CN201710462085.9A CN201710462085A CN107234985A CN 107234985 A CN107234985 A CN 107234985A CN 201710462085 A CN201710462085 A CN 201710462085A CN 107234985 A CN107234985 A CN 107234985A
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- deicing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/28—Manufacturing or repairing trolley lines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/16—Devices for removing snow or ice from lines or cables
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
A kind of railway tunnel automatic deicer and its de-icing method, for the base support assembly installed in train top nose（23）Platform on two groups of synchronous hydraulic cylinders in vertical direction are installed（24）, hanger bracket in horizontal direction（5）Left and right ends correspondence be fixed on two groups of synchronous hydraulic cylinders（24）Two piston rod parts；Deicing actuating mechanism（25）It is fixed on hanger bracket, the deicing actuating mechanism（25）For：Servomotor（12）The axle positioned at vertical direction through shaft coupling（13）With No. 2 axles（15）Connection, No. 2 axles（15）It is used as transmission main shaft and electromagnetic clutch（17）Drive end is connected, No. 1 axle（3）Lower end and the electromagnetic clutch（17）Driven end is connected, deicing bar（2）Middle part is fixed on No. 1 axle（3）Top.The present apparatus have it is simple in construction, utilize train momentum carry out tunnel deicing, save manpower, financial resources, the features such as being particularly suitable for automatically controlling.
Description
Technical field
Patent of the present invention is related to electric railway maintenance and uses mechanical deicing equipment, and in particular to one kind is on electrified iron
Road tunnel top deicer.
Background technology
China built first electric railway Baoji-Chengdu Railway from 1958, by the fast development of decades, to 2012
The electric railway total kilometrage of year China breaches 4.8 ten thousand kilometers, surmounts second place Russia, ranks the first in the world.Electric
Substantial amounts of tunnel is produced during changing building railway, with the increase and the change of extraneous geological conditions of railway operation time,
Tunnel inevitably results from the phenomenon of infiltration leak.In latitude lower ground area or summer, the feelings of tunnel leak infiltration
Condition is little to railroad train influence on system operation, but to cold season, especially in some high latitude areas, water seepage of tunnel problem makes
There is very big potential safety hazard in train operation.
When the icicle that is folded down from tunnel top extend to contact net height of contact wire will to operation in train
Pantograph causes great harm.If the icing in the range of train pantograph and railway contact line is long more than the insulation of air
Degree, will occur the situation that icicle discharges contact net and pantograph, if finding maintenance not in time, serious can also be by contact net
Or carrier cable blows, the normal operation to the railway system causes strong influence.17 points of phoenix during such as 24 days 4 January in 1988
One section of carrier cable is because ice trouble is blown in the fort ditch tunnel that state maintenance gang for catenary is administered, power failure nearly three hours, should
Secondary power failure cause one list passenger train car and 7 row freight trains it is late.South China area in 2008 meets with not seen once in a hundred years
Freezing weather disaster, extension ice is occurred in that in many tunnels, ice invasion and attack contact net is hung so that southern many electric railway circuits
It is once in paralyzed state, have to be rescued by the diesel locomotive that scheduling comes, cause serious economic loss and society
Harm.For the Northeast of China, the ice formation issues of railway tunnel compared to seeming even more serious, one to winter especially enter the winter and
Spring melts season, and the phenomenon that tunnel hangs ice largely occurs.More seriously, it is long and long if tunnel top icicle is not cleared up for a long time
These icicles can join together, northern area even can occur the situation that tunnel is forced to abandon.
Frost damage in tunnel is all the hot issue of engineering circles all the time, existing to hang ice removal more using artificial on tunnel
The method that periodical inspection beats ice, this method needs to put into substantial amounts of manpower, and working environment is severe for maintenance workman, danger
Dangerous height, has potentially hazardous to the life security of workman.Also part Railway Bureau takes transformation tunnel, is carried out using electric energy
The method of ice-melt eliminates the influence of ice trouble, but this method, puts into surprising, long construction period, huge to the consumption of resource.
The content of the invention
It is an object of the invention to provide a kind of railway tunnel automatic deicer, intend in pantograph front end to the knot in tunnel
Ice is mechanically removed automatically.
The object of the present invention is achieved like this：A kind of railway tunnel automatic deicer, at the top of train
The base support assembly of front end（23）Platform on two groups of synchronous hydraulic cylinders in vertical direction are installed（24）, in horizontal direction
Hanger bracket（5）Left and right ends correspondence be fixed on two groups of synchronous hydraulic cylinders（24）Two piston rod parts；Deicing is acted
Mechanism（25）It is fixed on hanger bracket, the deicing actuating mechanism（25）For：Servomotor（12）Positioned at vertical direction axle pass through
Shaft coupling（13）With No. 2 axles（15）Connection, No. 2 axles（15）It is used as transmission main shaft and electromagnetic clutch（17）Drive end is connected, No. 1
Axle（3）Lower end and the electromagnetic clutch（17）Driven end is connected, deicing bar（2）Middle part is fixed on No. 1 axle（3）Top.
No. 2 axles（15）It is in No. 4 cylinder-shaped cylinder bodies that middle part is arranged on through bearing（9）Bottom plate on, No. 1 axle
（3）Top is through thrust ball bearing（4）Installed in No. 1 cylinder-shaped cylinder body（7）Top plate on；Also have is in cylinder-shaped No. 3
Cylinder body（10）And in No. 2 cylinder bodies of plate shape（8）；No. 3 cylinder bodies（10）Bottom is through being bolted to servomotor（12）On, on
State No. 1 cylinder body（7）Bottom and No. 4 cylinder bodies（9）Top is respectively through being bolted to No. 2 cylinder bodies（8）The above and below of plate, and No. 4
Cylinder body（9）Positioned at No. 3 cylinder bodies（10）Inner chamber.
The deicing bar（2）The left and right both sides of cylinder are welded on by two rod members to constitute；Also there is big nut（1）；Greatly
Nut（1）Deicing bar is stretched into from the top down（2）Cylinder and be screwed in No. 1 axle（3）On top.
The hanger bracket（5）It is made up of a disk and two horizontal bars for being fixed on the left and right two ends of the disk；Hanger bracket
（5）Disk be bolted to No. 1 cylinder body through multiple（7）On top plate；Also there are two connectors（26）, two connectors
（26）It is separately fixed at two horizontal bars outer ends of hanger bracket；Two groups of synchronous hydraulic cylinders（24）Two piston rod tops difference
Stretch into two connectors（26）On hole in fixed through lock-screw.
It is a further object of the present invention to provide a kind of ice self-removing method using above-mentioned deicer.
It is another object of the present invention to what is be achieved in that：A kind of de-icing method of deicer, step is as follows：
When train is run outside tunnel, deicing bar is gone to and current of traffic identical direction under the drive of servomotor
That is initial position, and the piston rod recovery of two groups of synchronous hydraulic cylinders, deicing bar is located at the contact line lower position of contact net；
When train operation is to the place that will enter tunnel, train operator presses button or by the sensing installed in train front end
Device is automatically controlled, and two groups of synchronous hydraulic cylinders of hydraulic lifting mechanism are started working, the piston rods of two groups of synchronous hydraulic cylinders simultaneously to
It is upper to stretch out, until the position that deicing bar is delivered to more than OCS Messenger Wire, at the same time, servomotor, electromagnetic clutch, electricity
Magnetic brake obtains electric；Electromagnetic brake obtain it is electric after, loosen No. 1 axle being held tightly originally；Electromagnetic clutch obtain it is electric after, No. 2 axles are made
Power is transferred to No. 1 axle for driving shaft；Servomotor obtains electric, and motor shaft starts to rotate, and deicing bar is provided in servomotor
Operating position, the i.e. position perpendicular to the direction of train operation are gone under power, so that deicing bar can reach the purpose of deicing；
When the sensor positioned at train front end, which detects front, the suspension line for hanging carrier cable occurs, hydraulic lifting mechanism
Two groups of synchronous hydraulic cylinders two piston rods reclaim, make deicing bar be located at the suspension line below, at the same time, servomotor,
Electromagnetic clutch, electromagnetic brake three is once again powered up, and motor is rotated, and electromagnetic clutch is combined, and electromagnetic brake decontrols deicing
No. 1 axle where bar, deicing bar goes to initial position, avoids carrier cable suspension line.
Apparatus of the present invention are arranged on train pantograph front end, by a base with being connected at the top of train, the front end of base
The left and right sides is fixed on two groups of synchronous hydraulic cylinders, every group of hydraulic cylinder and suspended on a deicing actuating mechanism.The deicer is removed
Ice is mainly completed by deicing bar, and directly ice action is hung with tunnel during work.In non-working time the locality of deicing bar with
Current of traffic is identical.Deicing bar is connected on a servomotor by machinery, deicing bar can servomotor drive
It is lower to rotate.When running into some non-ice barriers, can smoothly it avoid again.
The deicing actuating mechanism of this railway automatic deicer, from top to bottom important associated components have deicing bar, electromagnetism
It is connected between brake, electromagnetic clutch, servomotor, four parts by axle.When aliving, four parts can be together
Rotate, when power is off, deicing bar and electromagnetic brake produce static torque by electromagnetic brake internal structure and ensured, work as deicing
When bar is by cross force, both will not also rotate, so as to reach the purpose of smooth deicing.When power is off, electromagnetism below
Clutch, which is also ensured, separates the axle of upper part with following be connected motor shaft so that main shaft is held in ice detachment
The impulsive force received is not transferred to the motor shaft of servomotor, in order to avoid motor is caused damage after working long hours.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, staff is not had to be exposed in natural environment in ice detachment, relatively low to artificial requirement, security is higher.In addition
What ice detachment was relied primarily on is the kinetic energy of train operation, and energy consumption is substantially reduced compared with current resistance heating manner.
2nd, mechanical deicer has design simple in construction, exclusively for suspension icicle in removal tunnel, and especially
It is adapted to automatic control system（By the position sensor being connected with micro computer, and controlled by micro computer servomotor, electromagnetism from
The power supply circuit composition of clutch and electromagnetic brake）, and form the tunnel automatic deicer of the automation railway system.
3rd, the present invention is arranged on the safety that pantograph front end carries out mechanical deicing, real-time guard contact net and pantograph, does
To " thering is ice just to remove ", reduce manual patrol and beat ice, both saved human cost and also saved the energy, the successful development of the equipment
Not only it can ensure that the security of train operation had been saved but also saved substantial amounts of manpower and materials and financial resources not only, to electric railway
Operation maintenance has significant contribution.
Brief description of the drawings
Fig. 1 is railway tunnel automatic deicer overall schematic.
Fig. 2 is deicing actuating mechanism internal structure schematic diagram.
Fig. 3 is the external structure schematic perspective view of deicing actuating mechanism shown in Fig. 2.
Fig. 4 deicing bar schematic perspective views.
In Fig. 2,1- big nuts；2- deicing bars；3-1 axles；4- thrust ball bearings；5- hanger brackets；6- screws；7-1 cylinders
Body；8-2 cylinder bodies；9-4 cylinder bodies；10-3 cylinder bodies；11- keys 10*8*35；12- servomotors；13- shaft couplings；14- keys 8*
7*25；15-2 axles；16- keys 8*7*25；17- electromagnetic clutch；18- keys 8*7*36；19- screws；20- keys 14*9*36；21-
Electromagnetic brake；22- keys 14*9*36.
Embodiment
Fig. 2 shows this railway tunnel automatic deicer, for the base support assembly 23 installed in train top nose
Platform on two groups of synchronous hydraulic cylinders 24 in vertical direction, the left and right ends correspondence of hanger bracket 5 in horizontal direction are installed
It is fixed on two piston rod parts of two groups of synchronous hydraulic cylinders 24；Deicing actuating mechanism 25 is fixed on hanger bracket, the deicing
Actuating mechanism 25 is：The axle positioned at vertical direction of servomotor 12 is connected through shaft coupling 13 with No. 2 axles 15, No. 2 conducts of axle 15
Transmission main shaft is connected with the drive end of electromagnetic clutch 17, and No. 1 lower end of axle 3 is connected with the driven end of electromagnetic clutch 17, deicing bar 2
Middle part is fixed on No. 1 top of axle 3（Referring to Fig. 1, Fig. 3）.No. 2 middle parts of axle 15 are arranged in No. 4 cylinder-shaped cylinder bodies 9 through bearing
On bottom plate, No. 1 top of axle 3 is arranged on the top plate in No. 1 cylinder-shaped cylinder body 7 through thrust ball bearing 4；Also have is in cylinder
No. 3 cylinder bodies 10 of body shape and No. 2 cylinder bodies 8 in plate shape；No. 3 bottoms of cylinder body 10 through being bolted on servomotor 12,
Above-mentioned No. 1 bottom of cylinder body 7 and No. 4 tops of cylinder body 9 are respectively through being bolted to the above and below of No. 2 plates of cylinder body 8, and No. 4 cylinder bodies
9 are located at No. 3 inner chambers of cylinder body 10.
Referring to Fig. 4, deicing bar 2 is welded on the left and right both sides of cylinder by two rod members and constituted；Also there is big nut 1；Greatly
Nut 1 stretches into the cylinder of deicing bar 2 and is screwed on No. 1 top of axle 3 from the top down.Hanger bracket 5 is by a disk and is fixed on this
Two horizontal bars composition at the left and right two ends of disk；The disk of hanger bracket 5 is bolted on No. 1 top plate of cylinder body 7 through multiple；
Also there are two connectors 26, two connectors 26 are separately fixed at two horizontal bars outer ends of hanger bracket；Two groups synchronous
Fixed in the hole that two piston rod tops of hydraulic cylinder 24 are respectively protruding on two connectors 26 through lock-screw.
Electromagnetic clutch has friction disk type, magnetic-powder-type, vortex type electromagnetic clutch etc..
Such as, friction electromagnetic clutch：After energization, driving and driven friction plate is compressed, and the two frictionally makes driven tooth
Wheel is rotated with driving shaft；Coil blackout, the round shape spring of driving and driven friction plate makes driving and driven friction plate position restore and keep
Certain interval, no longer transmits torque.
And for example, magnetic-powder-type electromagnetic clutch：After coil electricity, magnetic under electromagnetic force, by power rotor with it is driven
Rotor links together, and driving torque.
A kind of de-icing method of railway tunnel automatic deicer, the step is as follows：
When train is run outside tunnel, deicing bar is gone to and current of traffic identical direction under the drive of servomotor
That is initial position, and the piston rod recovery of two groups of synchronous hydraulic cylinders, deicing bar is located at the contact line lower position of contact net；
When train operation is to the place that will enter tunnel, train operator presses button or by the sensing installed in train front end
Device is automatically controlled, and two groups of synchronous hydraulic cylinders of hydraulic lifting mechanism are started working, the piston rods of two groups of synchronous hydraulic cylinders simultaneously to
It is upper to stretch out, until the position that deicing bar is delivered to more than OCS Messenger Wire, at the same time, servomotor, electromagnetic clutch, electricity
Magnetic brake obtains electric；Electromagnetic brake obtain it is electric after, loosen No. 1 axle being held tightly originally；Electromagnetic clutch obtain it is electric after, No. 2 axles are made
Power is transferred to No. 1 axle for driving shaft；Servomotor obtains electric, and motor shaft starts to rotate, and deicing bar is provided in servomotor
Operating position, the i.e. position perpendicular to the direction of train operation are gone under power, so that deicing bar can reach the purpose of deicing；
When the sensor positioned at train front end, which detects front, the suspension line for hanging carrier cable occurs, hydraulic lifting mechanism
Two groups of synchronous hydraulic cylinders two piston rods reclaim, make deicing bar be located at the suspension line below, at the same time, servomotor,
Electromagnetic clutch, electromagnetic brake three is once again powered up, and motor is rotated, and electromagnetic clutch is combined, and electromagnetic brake decontrols deicing
No. 1 axle where bar, deicing bar goes to initial position, avoids carrier cable suspension line.
When train is run outside tunnel, deicer does not work, in order to avoid the unknown barrier for being possible to occur outside tunnel
Hinder, the deicer is located at below the contact line of contact net.
When train is when going to the place that will enter tunnel, train operator presses button, and hydraulic lifting part starts work
Make, the plunger of two groups of synchronous hydraulic cylinders stretches out simultaneously, until the position that deicing bar is delivered to more than OCS Messenger Wire.Initial bit
When putting, the direction of deicing bar be with current of traffic identical, at this moment to servomotor, electromagnetic clutch, electromagnetic brake
Start power supply.Electromagnetic brake obtains electric internal structure and changed, and loosens the main shaft held tightly originally；Electromagnetic clutch obtains electric, thereon
Lower two panels is combined, and two axles can mutually transmit power up and down；Servomotor obtains electric, and motor shaft starts to rotate.Deicing bar is being watched
Operating position, the i.e. position perpendicular to the direction of train operation are gone under the power that motor offer is provided.Now servomotor, electromagnetism
Clutch, electromagnetic brake are powered off simultaneously.After power-off, servomotor stops operating；Two panels is separated above and below electromagnetic clutch, so that
Two axles above and below it are made separately to be further continued for transmitting power；Electromagnetic brake holds main shaft tightly and is allowed to rotate, so that deicing
Bar can reach the purpose of deicing around vertical axes remains stationary.
When the sensor positioned at train front end, which detects front, the suspension line for hanging carrier cable occurs, motor, electricity
Magnet clutch, electromagnetic brake three is once again powered up, and motor is rotated, and electromagnetic clutch is combined, and electromagnetic brake decontrols deicing bar
Place axle, deicing bar goes to initial position, avoids carrier cable suspension line.
When outside train operation to tunnel, deicing bar is gone to and current of traffic phase under the drive of servomotor first
With inceptive direction, then the plunger of two groups of hydraulic cylinders start withdraw, the position that deicing bar is returned to below the contact line of contact net,
Ice detachment in one tunnel terminates.
Claims (5)
1. a kind of railway tunnel automatic deicer, it is characterised in that total for the base support installed in train top nose
Into（23）Platform on two groups of synchronous hydraulic cylinders in vertical direction are installed（24）, hanger bracket in horizontal direction（5）A left side
Right two ends correspondence is fixed on two groups of synchronous hydraulic cylinders（24）Two piston rod parts；Deicing actuating mechanism（25）It is fixed on outstanding
On hanger, the deicing actuating mechanism（25）For：Servomotor（12）The axle positioned at vertical direction through shaft coupling（13）With No. 2 axles
（15）Connection, No. 2 axles（15）It is used as transmission main shaft and electromagnetic clutch（17）Drive end is connected, No. 1 axle（3）Lower end and the electromagnetism
Clutch（17）Driven end is connected, deicing bar（2）Middle part is fixed on No. 1 axle（3）Top.
2. a kind of railway tunnel automatic deicer according to claim 1, it is characterised in that No. 2 axles（15）In
It is in No. 4 cylinder-shaped cylinder bodies that portion is arranged on through bearing（9）Bottom plate on, No. 1 axle（3）Top is through thrust ball bearing（4）Peace
Mounted in No. 1 cylinder-shaped cylinder body（7）Top plate on；Also have is in No. 3 cylinder-shaped cylinder bodies（10）And in No. 2 of plate shape
Cylinder body（8）；No. 3 cylinder bodies（10）Bottom is through being bolted to servomotor（12）On, above-mentioned No. 1 cylinder body（7）Bottom and No. 4 cylinder bodies
（9）Top is respectively through being bolted to No. 2 cylinder bodies（8）The above and below of plate, and No. 4 cylinder bodies（9）Positioned at No. 3 cylinder bodies（10）It is interior
Chamber.
3. a kind of railway tunnel automatic deicer according to claim 1 or 2, it is characterised in that the deicing bar（2）
The left and right both sides of cylinder are welded on by two rod members to constitute；Also there is big nut（1）；Big nut（1）Stretch into and remove from the top down
Ice bar（2）Cylinder and be screwed in No. 1 axle（3）On top.
4. a kind of railway tunnel automatic deicer according to claim 3, it is characterised in that the hanger bracket（5）By
One disk and the two horizontal bars composition for being fixed on the left and right two ends of the disk；Hanger bracket（5）Disk fixed through multiple bolts
In No. 1 cylinder body（7）On top plate；Also there are two connectors（26）, two connectors（26）It is separately fixed at the two of hanger bracket
Root horizontal bars outer end；Two groups of synchronous hydraulic cylinders（24）Two piston rod tops be respectively protruding into two connectors（26）On
Fixed in hole through lock-screw.
5. a kind of de-icing method of deicer as claimed in claim 1, it is characterised in that the step is as follows：
When train is run outside tunnel, deicing bar is gone to and current of traffic identical direction under the drive of servomotor
That is initial position, and the piston rod recovery of two groups of synchronous hydraulic cylinders, deicing bar is located at the contact line lower position of contact net；
When train operation is to the place that will enter tunnel, train operator presses button or by the sensing installed in train front end
Device is automatically controlled, and two groups of synchronous hydraulic cylinders of hydraulic lifting mechanism are started working, the piston rods of two groups of synchronous hydraulic cylinders simultaneously to
It is upper to stretch out, until the position that deicing bar is delivered to more than OCS Messenger Wire, at the same time, servomotor, electromagnetic clutch, electricity
Magnetic brake obtains electric；Electromagnetic brake obtain it is electric after, loosen No. 1 axle being held tightly originally；Electromagnetic clutch obtain it is electric after, No. 2 axles are made
Power is transferred to No. 1 axle for driving shaft；Servomotor obtains electric, and motor shaft starts to rotate, and deicing bar is provided in servomotor
Operating position, the i.e. position perpendicular to the direction of train operation are gone under power, so that deicing bar can reach the purpose of deicing；
When the sensor positioned at train front end, which detects front, the suspension line for hanging carrier cable occurs, hydraulic lifting mechanism
Two groups of synchronous hydraulic cylinders two piston rods reclaim, make deicing bar be located at the suspension line below, at the same time, servomotor,
Electromagnetic clutch, electromagnetic brake three is once again powered up, and motor is rotated, and electromagnetic clutch is combined, and electromagnetic brake decontrols deicing
No. 1 axle where bar, deicing bar goes to initial position, avoids carrier cable suspension line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710462085.9A CN107234985B (en) | 2017-06-19 | 2017-06-19 | Automatic deicing device and deicing method for railway tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710462085.9A CN107234985B (en) | 2017-06-19 | 2017-06-19 | Automatic deicing device and deicing method for railway tunnel |
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| CN107234985A true CN107234985A (en) | 2017-10-10 |
| CN107234985B CN107234985B (en) | 2023-03-21 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109050806A (en) * | 2018-09-01 | 2018-12-21 | 哈尔滨工程大学 | A kind of self-adapting type icebreaking device peculiar to vessel |
| CN109910621A (en) * | 2019-03-19 | 2019-06-21 | 湖南根轨迹智能科技有限公司 | A kind of magnetic-levitation train is by trajectory obstacle deflector and its magnetic-levitation train |
| CN111572353A (en) * | 2020-05-06 | 2020-08-25 | 中车青岛四方机车车辆股份有限公司 | Ice removing device of pantograph, corresponding method, equipment and medium |
| CN111927546A (en) * | 2020-07-14 | 2020-11-13 | 中建路桥集团有限公司 | Portable tunnel accumulated ice mechanized deicing device |
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| CN109050806A (en) * | 2018-09-01 | 2018-12-21 | 哈尔滨工程大学 | A kind of self-adapting type icebreaking device peculiar to vessel |
| CN109050806B (en) * | 2018-09-01 | 2020-05-15 | 哈尔滨工程大学 | Self-adaptive marine ice breaking device |
| CN109910621A (en) * | 2019-03-19 | 2019-06-21 | 湖南根轨迹智能科技有限公司 | A kind of magnetic-levitation train is by trajectory obstacle deflector and its magnetic-levitation train |
| CN109910621B (en) * | 2019-03-19 | 2022-05-06 | 湖南根轨迹智能科技有限公司 | Magnetic-levitation train current-receiving rail barrier removing device and magnetic-levitation train thereof |
| CN111572353A (en) * | 2020-05-06 | 2020-08-25 | 中车青岛四方机车车辆股份有限公司 | Ice removing device of pantograph, corresponding method, equipment and medium |
| CN111572353B (en) * | 2020-05-06 | 2021-10-26 | 中车青岛四方机车车辆股份有限公司 | Ice removing device of pantograph, corresponding method, equipment and medium |
| CN111927546A (en) * | 2020-07-14 | 2020-11-13 | 中建路桥集团有限公司 | Portable tunnel accumulated ice mechanized deicing device |
| CN111927546B (en) * | 2020-07-14 | 2022-06-14 | 中建路桥集团有限公司 | Portable tunnel accumulated ice mechanized deicing device |
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| CN107234985B (en) | 2023-03-21 |
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