CN206841212U - A kind of railway tunnel automatic deicer - Google Patents
A kind of railway tunnel automatic deicer Download PDFInfo
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- CN206841212U CN206841212U CN201720708902.XU CN201720708902U CN206841212U CN 206841212 U CN206841212 U CN 206841212U CN 201720708902 U CN201720708902 U CN 201720708902U CN 206841212 U CN206841212 U CN 206841212U
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- deicing
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Abstract
A kind of railway tunnel automatic deicer, 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 be correspondingly 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）As transmission main shaft and electromagnetic clutch（17）Drive end connects, No. 1 axle（3）Lower end and the electromagnetic clutch（17）Driven end connects, 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
The utility model patent is related to electric railway and safeguarded with mechanical deicing equipment, and in particular to one kind is on electric
Change deicer at the top of railway tunnel.
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 in year China breaches 4.8 ten thousand kilometers, surmounts second place Russia, ranks the first in the world.Electric
Substantial amounts of tunnel produces during changing building railway, with the increase of railway operation time and the change of extraneous geological conditions,
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 makes in some high latitude areas, water seepage of tunnel problem
Very big potential safety hazard be present 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 greatly to endanger.If insulation of the icing more than air in the range of train pantograph and railway contact line is grown
Degree, the situation that icicle discharges contact net and pantograph will occur, 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 divide 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.Southern region of China in 2008 meets with not seen once in a hundred years
Freezing weather disaster, occur extension ice in many tunnels, hang ice invasion and attack contact net so that many electric railway circuits in south
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, the situation that tunnel is forced to abandon can even occur in northern area.
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 worker, danger
Dangerous height, have to the life security of worker potentially hazardous.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.
Utility model content
The purpose of this utility model is to provide a kind of railway tunnel automatic deicer, intends in pantograph front end in tunnel
Icing mechanically removed automatically.
What the purpose of this utility model was realized in：A kind of railway tunnel automatic deicer, for installed in train
Two groups of synchronous hydraulic cylinders in vertical direction are installed, in horizontal direction outstanding on the platform of the base support assembly of top nose
The left and right ends of hanger are correspondingly fixed on two piston rod parts of two groups of synchronous hydraulic cylinders；Deicing actuating mechanism is fixed on outstanding
On hanger, the deicing actuating mechanism is：The axle positioned at vertical direction of servomotor is made through shaft coupling and No. 2 axis connections, No. 2 axles
It is connected for transmission main shaft with electromagnetic clutch drive end, No. 1 axle lower end is connected with the electromagnetic clutch driven end, in the middle part of deicing bar
It is fixed on No. 1 axle top.
It is arranged in the middle part of No. 2 axles through bearing on the bottom plate in No. 4 cylinder-shaped cylinder bodies, No. 1 axle top is through pushing away
Power ball bearing is arranged on the top plate in No. 1 cylinder-shaped cylinder body；Also have in No. 3 cylinder-shaped cylinder bodies and in plate shape
No. 2 cylinder bodies；Through being bolted on servomotor, above-mentioned No. 1 inferior part of the cylinder block and No. 4 cylinder body tops pass through No. 3 inferior part of the cylinder block respectively
The above and below of No. 2 cylinder body plates is bolted to, and No. 4 cylinder bodies are located at No. 3 inner chamber of cylinder block.
The deicing bar is welded on the left and right both sides of cylinder by two rod members and formed；Also there is big nut；Big nut from
On extend downwardly into the cylinder of deicing bar and be screwed on No. 1 axle top.
The hanger bracket is by a disk and is fixed on two horizontal bars at the left and right both ends of the disk and forms；Hanger bracket
Disk is bolted on No. 1 cylinder body top plate through multiple；Also there are two connectors, two connectors are separately fixed at suspension
Two horizontal bars outer ends of frame；Two piston rod tops of two groups of synchronous hydraulic cylinders are respectively protruding into the hole on two connectors
It is interior to be fixed through lock-screw.
The present apparatus is arranged on train pantograph front end, by a base with being connected at the top of train, front end of base or so
Two groups of synchronous hydraulic cylinders are fixed in both sides, and a deicing actuating mechanism is suspended on again on every group of hydraulic cylinder.Deicer deicing master
To be completed by deicing bar, directly hang ice action with tunnel during work.The locality and train of deicing bar in non-working time
Traffic direction is identical.Deicing bar is connected on a servomotor by machinery, and deicing bar can turn under the drive of servomotor
It is dynamic.When running into some non-ice barriers, and can is smoothly avoided.
The deicing actuating mechanism of this railway automatic deicer, from top to bottom important associated components have deicing bar, electromagnetism
Brake, electromagnetic clutch, servomotor, it is connected by axle between four parts.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 also ensures, 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 utility model are：
1st, staff is not had to be exposed in natural environment in ice detachment, relatively low to artificial requirement, security is higher.
What other ice detachment relied primarily on is the kinetic energy of train operation, and energy consumption substantially reduces 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 by the servomotor of micro computer control, electromagnetism from
The power supply circuit of clutch and electromagnetic brake forms）, and form the tunnel automatic deicer of the automation railway system.
3rd, the utility model is arranged on the peace that pantograph front end carries out mechanical deicing, real-time guard contact net and pantograph
Entirely, accomplish " thering is ice just to remove ", reduce and manual patrol and beat ice, both saved human cost and also saved the energy, the equipment into
Work(development can not only ensure that the security of train operation had been saved not only but also save substantial amounts of manpower and materials and financial resources, to electrification
The operation maintenance of railway 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 are installed, the left and right ends of hanger bracket 5 in horizontal direction are corresponding
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；It is in cylinder also to have
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 formed；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 both 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 compresses, and the two frictionally, makes driven tooth
Wheel rotates with driving shaft；Coil blackout, the round shape spring of driving and driven friction plate make driving and driven friction plate position restore and keep
Certain interval, no longer transmit 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 are as follows：
When train is run outside tunnel, deicing bar is gone to and current of traffic identical under the drive of servomotor
Direction is initial position, and the piston rod recovery of two groups of synchronous hydraulic cylinders, deicing bar are 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 installed in train front end
Sensor is automatically controlled, and two groups of synchronous hydraulic cylinders of hydraulic lifting mechanism are started working, and the piston rod of two groups of synchronous hydraulic cylinders is same
When stretch out upwards, until position that deicing bar is delivered to more than OCS Messenger Wire, at the same time, servomotor, electromagnetic clutch
Device, electromagnetic brake obtain 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
Power is transferred to No. 1 axle by axle as driving shaft；Servomotor obtains electric, and motor shaft starts to rotate, and deicing bar carries in servomotor
Operating position, the i.e. position perpendicular to the direction of train operation are gone under the power of confession, so that deicing bar can reach deicing
Purpose；
When the sensor positioned at train front end detects that the suspension line for hanging carrier cable occurs in front, hydraulic lifting
Two piston rods recovery of two groups of synchronous hydraulic cylinders of mechanism, makes deicing bar be located at below the suspension line, at the same time, servo electricity
Mechanical, electrical magnet clutch, electromagnetic brake three are once again powered up, and motor rotates, and electromagnetic clutch combines, and electromagnetic brake is decontroled and removed
No. 1 axle where ice bar, deicing bar go to initial position, avoid 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 to power.Electromagnetic brake obtains electric internal structure and changed, and loosens the main shaft held tightly originally；Electromagnetic clutch obtain it is electric, thereon
Lower two panels combines, and upper and lower two axle can mutual passing power；Servomotor obtains electric, and motor shaft starts to rotate.Deicing bar is being watched
Take and go to operating position, the i.e. position perpendicular to the direction of train operation under the power of motor offer.Now servomotor, electromagnetism
Clutch, electromagnetic brake power off simultaneously.After power-off, servomotor stops operating；Two panels separates electromagnetic clutch up and down, so as to
Its upper and lower two axle is set separately to be further continued for passing power；Electromagnetic brake holds main shaft tightly and is allowed to rotate, so that deicing
Bar around vertical axes remains stationary, can reach the purpose of deicing.
When the sensor positioned at train front end detects that the suspension line for hanging carrier cable occurs in front, motor, electricity
Magnet clutch, electromagnetic brake three are once again powered up, and motor rotates, and electromagnetic clutch combines, and electromagnetic brake decontrols deicing bar
Place axle, deicing bar go to initial position, avoid 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 to withdraw, the position that deicing bar is returned to below the contact line of contact net,
Ice detachment in one tunnel terminates.
Claims (4)
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 both ends are correspondingly 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）As transmission main shaft and electromagnetic clutch（17）Drive end connects, No. 1 axle（3）Lower end and the electromagnetism
Clutch（17）Driven end connects, deicing bar（2）Middle part is fixed on No. 1 axle（3）Top.
A kind of 2. 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；It is in No. 3 cylinder-shaped cylinder bodies also to have（10）And No. 2 in 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.
A kind of 3. 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 form；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.
A kind of 4. 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 both 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720708902.XU CN206841212U (en) | 2017-06-19 | 2017-06-19 | A kind of railway tunnel automatic deicer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720708902.XU CN206841212U (en) | 2017-06-19 | 2017-06-19 | A kind of railway tunnel automatic deicer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206841212U true CN206841212U (en) | 2018-01-05 |
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ID=60799213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720708902.XU Expired - Fee Related CN206841212U (en) | 2017-06-19 | 2017-06-19 | A kind of railway tunnel automatic deicer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206841212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115483658A (en) * | 2022-10-31 | 2022-12-16 | 李荷泉 | Overhead line anti-icing defroster, conductor spacer, post insulator and system |
-
2017
- 2017-06-19 CN CN201720708902.XU patent/CN206841212U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115483658A (en) * | 2022-10-31 | 2022-12-16 | 李荷泉 | Overhead line anti-icing defroster, conductor spacer, post insulator and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180105 Termination date: 20200619 |