CN104108397A - Rail-bound electric scenic train driving system - Google Patents
Rail-bound electric scenic train driving system Download PDFInfo
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- CN104108397A CN104108397A CN201410128500.3A CN201410128500A CN104108397A CN 104108397 A CN104108397 A CN 104108397A CN 201410128500 A CN201410128500 A CN 201410128500A CN 104108397 A CN104108397 A CN 104108397A
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- inner ring
- wheel
- corrosive liquid
- storage tank
- rail
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Abstract
The invention relates to a train. A rail-bound electric scenic train driving system comprises a vehicle frame, driving motors arranged on the vehicle frame and two road wheel pairs, each of the two road wheel pairs comprises a wheel shaft and two road wheels connected to two ends of the wheel shaft, the road wheels are rail-bound vehicle wheels, the number of the driving motors is two, and the two driving motors drive the wheel shafts in the two road wheel pairs one to one. The rail-bound electric scenic train driving system enables a skidding phenomenon to unlikely occur between the road wheels and tracks in the travelling process, and solves the problem of likely skidding phenomenon between the road wheels and the tracks of present electric scenic train driving systems during heavy load driving.
Description
Technical field
The present invention relates to tourist train, relate in particular to the electronic tourist train drive system of a kind of rail.
Background technology
Tourist train is driven and is realized walking in orbit by power compartment.The power compartment of initial tourist train by combustion engine as propulsion source.During internal combustion engine operation, can produce tail gas, tail gas can pollute park environment.The problem polluting the environment as tourist train propulsion source in order to overcome combustion engine, has designed the electronic tourist train driving by motor.In Chinese Patent Application No., be 031142249, within open day, be September 17 in 2003 day, be called in the patent document of " the electronic sightseeing puddle jumper of trailed model locomotive chassis " and disclose a kind of electronic tourist train drive system, the positive transport wheel that the electronic tourist train drive system of this patent document mainly comprises vehicle frame, be arranged at vehicle frame to driven road wheel to, drive positive transport wheel to the drive motor rotating, road wheel is to comprising wheel shaft and two road wheels that are connected to wheel shaft two ends, the trackless wheel that road wheel is automotive wheels, do not need track to walk.This electronic tourist train drive system has the following disadvantages: when road wheel being changed into rail wheel (wheel of walking by matching track) and walks on rail, if adopt high-power driving motor with improve tourist train load-carrying ability,, may produce the phenomenon that can not move ahead with skidding between track with the road wheel that (being that earth-grasping force is inadequate) causes not of the friction force between rail due to road wheel; While turning round, road wheel centering can produce serious wearing and tearing between the tread of the road wheel of inner side and track.
Summary of the invention
First object of the present invention aim to provide a kind of in traveling process road wheel with the electronic tourist train drive system of rail that is not easy to produce skidding between track, solved existing electronic tourist train drive system carry out heavy load while driving road wheel with easily producing the problem of skidding between track.
The second object of the present invention is intended to further provide on the basis of first object a kind of inner row travelling wheel that can reduce while turning round with the electronic tourist train drive system of rail of the wearing and tearing between track, and when having solved existing tourist train drive system and turning round, inner row travelling wheel is with the large problem of the wearing and tearing between track.
Above technical matters solves by following technical proposal: the electronic tourist train drive system of a kind of rail, comprise vehicle frame, be arranged at drive motor and two road wheels pair of described vehicle frame, described road wheel is to comprising wheel shaft and two road wheels that are connected to wheel shaft two ends, it is characterized in that, described road wheel is rail wheel, described drive motor has two, and described two drive motor drive the wheel shaft of described two road wheel centerings correspondingly.By two motors, two right wheel shafts of road wheel are driven simultaneously, the maximum power one of output regularly, share that thereby horsepower output on motor is little can be reduced single road wheel of taking turns centering with the friction force requirement between track, make to be not easy to produce skidding.If two motors drive a wheel shaft simultaneously, can not solve the problem of skidding.For rail tourist train, between track and road wheel, more smooth vibration while walking is less, this technical scheme for the type of drive of existing wheel shaft that drives a wheel centering, can in the situation that horsepower output is identical, contact between track and road wheel be designed more smooth vibration when reducing tourist train walking, make travelling comfort better.
As preferably, described drive motor and wheel shaft link together by gear case.Drive motor is good with the connection compactedness between wheel shaft.
As preferably, described road wheel is provided with tread, described road wheel comprises inner ring and is sheathed on the outer ring of inner ring, described wheel shaft is connected in described inner ring, described tread is arranged at described outer ring, between described inner ring and outer ring, be provided with some friction linings, between described inner ring and outer ring, pass through described friction lining frictional transmission.Friction lining is fixed on can on inner ring or outer ring.When train is kept straight in orbit, road wheel with between track for pure rolling, Internal and external cycle can synchronously rotate together by friction lining transferring power; If turned round, cause inner row travelling wheel when producing non-pure rolling (have and drag) between track wheel with the friction between track increase, when friction force increase to while being greater than the power that friction lining can transmit,, inner ring produces stall and makes to only have inner ring rotation, thereby stoped proceeding of large friction phenomenon between outer ring and track, when recover to roll in outer ring Internal and external cycle another rotate, thereby play the effect that reduces the wearing and tearing that outer ring produces when turning round between track.Realized second goal of the invention.
As preferably, described inner ring is provided with friction lining fixed block, described friction lining is connected with adjustment bolt, described adjustment bolt radially connects described friction lining fixed block along inner ring, described adjustment bolt is threaded togather with described friction lining fixed block, and described friction lining is connected in described inner ring by described adjustment bolt.The present invention can adjust as required the size of the gearing friction power between Internal and external cycle, so that can be adapted to the train moving on different tracks; Can cause friction force to drop to when road wheel can not meet straight line moving requirement at friction disc wear adjusts friction force.
As preferably, described road wheel also comprises three concentricitys observation bars, three concentricitys are observed bar along the circumferential distribution of inner ring, the line of centers that concentricity is observed bar intersects vertically with inner ring axis, described concentricity observe bar comprise be fixed in inner ring inner segment and along inner ring radially telescopically be connected in outer section of inner segment, described outer section is provided with the outer end of described outer section of indication with the scale of the distance between described inner ring axis, described outer ring is provided with three reference blocks that circumferentially distribute along outer ring, the angle that angle between adjacent reference block is observed between bar with adjacent concentricity equates, described reference block is provided with abutting part, the abutting part of described three reference blocks is positioned on the face of cylinder of line centered by the line of centers of tread.If vibration aggravation and friction lining when inner ring and outer ring disalignment can cause road wheel walking produce eccentric wear.During use, the outer end of three outer sections is connected on the abutting part of described three reference blocks correspondingly, if three concentricitys are observed bar indicated size equate,, represent that inner ring outer ring is coaxial, if unequal, by adjusting friction lining, make inner ring outer ring coaxial.Can judge intuitively whether inner ring and outer ring are adjusted to coaxially, thereby play to improve, comfort feature when coaxial be adjusted to in inner ring outer ring.
As preferably, the outer end of described outer section is with being point or line contact between described abutting part.Wearing and tearing outside can reducing when outer ring is equal with inner ring generation rotates between section and abutting part.
The present invention also comprises topping up device, described wheel shaft is connected in described vehicle frame by bearing, described topping up device comprises petrol storage tank, oil discharge passage, rupture of membranes bar and corrosive liquid storage bin, described oil discharge passage is for being transported to described bearing by the lubricating oil of described petrol storage tank, described petrol storage tank comprises at least two sheathed and cavitys of being fixed together successively, the lower wall of described cavity is provided with oil outlet, described oil outlet is sealedly connected with diaphragm seal, described rupture of membranes bar vertically extends and is positioned at the below of petrol storage tank, described rupture of membranes bar, and the oil outlet of all cavitys is all positioned on same vertical curve, in described corrosive liquid storage bin, be provided with the saturating formula floating drum of regular corruption, the saturating formula floating drum of described regular corruption comprises the rotproofness shell of lower ending opening and somely by the corrosive liquid in the liquid storage bin that can be corroded, is expended and set the dividing plate that duration corrodes brokenly, described dividing plate is partitioned into some floating chambers by described shell, the quantity of described floating chamber equates with the quantity of described cavity, described dividing plate distributes along the vertical direction, described petrol storage tank floats on the corrosive liquid in described corrosive liquid storage bin by described floating drum, described in each, floating chamber can both float described petrol storage tank independently, corrosive liquid in corrosive liquid storage bin every corrosion Po Yige floating chamber and cause in process that petrol storage tank declines once, described rupture of membranes bar only can poke a diaphragm seal on cavity.During use, in each cavity, inject lubricating oil, according to needed oiling interval time long (hereinafter referred to as setting duration), in corrosive liquid storage bin, pack the corrosive liquid that can dividing plate be corroded brokenly to set duration into, when pour into the time of corrosive liquid reach one while setting duration, the dividing plate of below is corroded brokenly, corrosive liquid enters in the floating chamber of below, petrol storage tank drops to by several second floating chamber from below to up floating, the diaphragm seal in decline process on outermost cavity by rupture of membranes bar poke, outflow of lubrication oil in this cavity and bearing is lubricated; When pour into the time of corrosive liquid reach two while setting duration, the dividing plate of counting from the bottom up the second layers is also corroded brokenly, corrosive liquid enters in second floating chamber of counting from the bottom up, petrol storage tank further drops to by several from the bottom up San Ge floating chambers and floats, the diaphragm seal on the cavity of the second layer from outer toward interior number in decline process by rupture of membranes bar poke, outflow of lubrication oil in this cavity and bearing is lubricated; The like certainly the dividing plate to all, be corroded brokenly, then change automatic fuelling device and can re-start automatic oiling.
The present invention has following advantage: by horsepower output by two drive motor bear, each drive motor drives the wheel shaft of a road wheel centering independently, make road wheel with being not easy to produce skidding between track, when the friction coefficient that can go together between travelling wheel at track is constant, make drive system can bear more high-performance output, can in the situation that horsepower output is constant, make road wheel walking on more smooth track; In preferred version road wheel be designed to by the outer ring being set-located and inner ring forms and the two between by friction force transmission, can reduce while turning round road wheel with the wearing and tearing between track.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view of embodiment mono-.
Fig. 2 is the schematic diagram of the road wheel in embodiment bis-.
Fig. 3 is the schematic rear view of embodiment tri-.
Fig. 4 is the enlarged diagram of topping up device.
Schematic diagram when Fig. 5 is topping up device corrosion Po Yige floating chamber.
Schematic diagram when Fig. 6 is topping up device corrosion Po Erge floating chamber.
Fig. 7 is the schematic diagram of the road wheel in embodiment tri-.
Fig. 8 is the local enlarged diagram at the A place of Fig. 7.
In figure: vehicle frame 1, road wheel is to 2, wheel shaft 2, road wheel 22, tread 221, inner ring 222, outer ring 223, friction lining 224, adjust bolt 225, friction lining fixed block 226, concentricity is observed bar 227, inner segment 2271, outer section 2272, the outer end 22721 of outer section, scale 2273, eject spring 2274, reference block 228, abutting part 2281, approaching face 2282, bearing 23, topping up device 3, petrol storage tank 31, cavity 311, oil outlet 312, diaphragm seal 313, oil discharge passage 32, oil-feed bucket 321, rupture of membranes bar 33, corrosive liquid storage bin 34, regularly corruption is formula floating drum 35 thoroughly, shell 351, dividing plate 352, floating chamber 353, guide rod 36, corrosive liquid 37, pipe link 38, drive motor 4, gear case 5, concentricity is observed the centre line L of bar, the outer end of outer section is with the distance H between inner ring axis.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further illustrated.
Embodiment mono-, and referring to Fig. 1, the electronic tourist train drive system of a kind of rail, comprises that vehicle frame 1, two road wheels are to 2 and two drive motor 4.
Two road wheels are to 2 rear and front ends that are arranged on vehicle frame 1.Road wheel comprises wheel shaft 21 and two road wheels 22 to 2.The Width that wheel shaft 21 is train along left and right directions extends.The two ends, left and right of wheel shaft 21 are respectively rotationally connected with vehicle frame 1 by a bearing 23.Two road wheels 22 are connected to the axial two ends of wheel shaft 211.Road wheel 22 is rail wheel.Road wheel 22 is provided with tread 221.
Two drive drive motor 4 respectively by a gear case 5, with two road wheels, the wheel shaft 21 in 2 is linked together and wheel shaft is driven correspondingly.Drive motor 4 is fixed on vehicle frame 1 by motor link span 41.
During use, by two drive motor 4, go to drive two road wheels to the wheel shaft 21 in 2, road wheel 22 to be rotated, making four road wheels 22 in same vehicle frame 1 is all driving wheel, thereby can reduce the possibility that road wheel 22 skids on rail simultaneously.
Embodiment bis-, with the difference of embodiment mono-, be:
Referring to Fig. 2, road wheel 22 comprises inner ring 222 and is sheathed on the outer ring 223 of inner ring.Wheel shaft 21 is connected in inner ring 222.Inner ring 222 is provided with friction lining fixed block 226.Friction lining fixed block 226 is annular.Between inner ring 222 and outer ring 223, be provided with some friction linings 224.Friction lining 224 is along the circumferential distribution of inner ring 222.Friction lining 224 is connected with adjusts bolt 225.Friction lining 224 is supported in inner ring 222 by adjusting bolt 225.Friction lining 224 is connected to outer ring 223 inner peripheral surfaces the frictional transmission of realizing together between inner ring 222 and outer ring 223.Adjust bolt 225 and radially connect friction lining fixed block 226 along inner ring 222.Adjusting bolt 225 is threaded togather with friction lining fixed block 226.Tread 221 is arranged at outer ring 223.
During use, when the electronic tourist train turning process of rail inner row travelling wheel produces non-pure rolling and while causing friction force to rise, between outer ring 223 and friction lining 224, skid and non-rolling can not be produced or generation time shorter, thereby play, reduce while turning round tread 221 with the effect of the wearing and tearing between track.By rotation, adjust bolt 225 and regulate the friction force between inner ring and outer ring.
Embodiment tri-, with the difference of embodiment bis-, are:
Referring to Fig. 3, be also provided with and comprise topping up device 3.Topping up device 3 comprises petrol storage tank 31, oil discharge passage 32, rupture of membranes bar 33, corrosive liquid storage bin 34, regularly corruption formula floating drum 35 and guide rod 36 thoroughly.
Petrol storage tank 31 links together with the saturating formula floating drum 35 of regularly corruption by pipe link 38.Pipe link 38 and regularly corruption are detachably connected by bolt between formula floating drum 35 thoroughly.
One end of oil discharge passage 32 is provided with four oil nipples 322.Four oil nipples 322 are docking together to the filler port in four bearings 23 of 2 with supporting two road wheels correspondingly.Oil discharge passage 32 other ends are provided with the oil-feed bucket 321 that is positioned at petrol storage tank below.Oil-feed bucket 321 is fixed together with vehicle frame 1.
Rupture of membranes bar 33 vertically extends.The lower end of rupture of membranes bar 33 is connected in oil-feed bucket 321.Rupture of membranes bar 33 is positioned at the below of petrol storage tank 31.
Corrosive liquid storage bin 34 is positioned at the below of petrol storage tank 31.Corrosive liquid storage bin 34 is fixed together with frame 1.
Regularly rotten formula floating drum 35 is thoroughly positioned at corrosive liquid storage bin 34.
Guide rod 36 vertically extends.One end of guide rod 36 is fixed together with petrol storage tank 31.Petrol storage tank 31 is higher than oil nipple 322.The other end of guide rod 36 is located in vehicle frame 1 slidably.
Referring to Fig. 4, petrol storage tank 31 comprises at least two the present embodiment being 4 sheathed and cavitys 311 of being fixed together successively.Lubricating oil (not drawing in lubricating oil figure) is housed in cavity 311.The lower wall of cavity 311 is provided with oil outlet 312.Oil outlet 312 is sealedly connected with diaphragm seal 313.4 cavitys amount to 4 oil outlets 312 be positioned on the vertical straight line of same and be positioned at rupture of membranes bar 33 directly over.Distance between adjacent diaphragm seal equates.
Regularly rotten formula floating drum 35 thoroughly comprises rotproofness shell 351 and four dividing plates 352 of lower ending opening.Dividing plate 352 is aluminium sheet.Dividing plate 352 distributes along the vertical direction.Dividing plate 352 is divided into 4 floating chambers 353 that distribute along the vertical direction by shell 351.Distance between adjacent dividing plate equates.Distance between adjacent dividing plate equals the distance between adjacent diaphragm seal.
Referring to Fig. 5, in the time will starting topping up device, corrosive liquid 37 is injected in corrosive liquid storage bin 34, corrosive liquid 37 floats the saturating formula floating drum 35 of regular corruption and realize out floating of fuel tank 31, when petrol storage tank 31 floats, stops adding corrosive liquid when the distance between rupture of membranes bar 33 and the diaphragm seal in outermost layer cavity is less than the distance between adjacent diaphragm seal.The buoyancy that each floating chamber 353 produces can both float petrol storage tank 31 independently.In the present embodiment, corrosive liquid 37 is sodium hydroxide solution.Concentration by controlling corrosive liquid 37 is or/and the thickness of dividing plate, makes dividing plate liquid 37 corrosion that are corroded in setting duration broken, and these data can be learnt by test.
When pouring the time of corrosive liquid 37 into, reach one while setting duration, in dividing plate 352, be positioned at the dividing plate of below and be corroded brokenly, corrosive liquid enters and in floating chamber 353, is arranged in the floating chamber of below, petrol storage tank 31 drop to by floating chamber 353 from below to up second floating chamber of number float, the diaphragm seal 313-1 that is arranged in outermost layer cavity in decline process is flow to oil discharge passage 32 by the lubricating oil that rupture of membranes bar 33 is poked, cavity 311 is arranged in outermost cavity by corresponding oil outlet and flows to bearing 23(referring to Fig. 4) play bearing carried out to self-oiling one time.
Referring to Fig. 6, when pouring the time of corrosive liquid 37 into, reach two while setting duration, in dividing plate 352, being positioned at time dividing plate of below is also corroded brokenly, corrosive liquid enters the floating chamber that is arranged in inferior below in floating chamber 353, petrol storage tank 31 drop to by floating chamber 353 from below to up several San Ge floating chamber float, the diaphragm seal that is arranged in time outer cavity in decline process is also poked by rupture of membranes bar 33, after the oil outlet of the oil outlet of the lubricating oil that is arranged in time outer field cavity in cavity 311 on inferior outer cavity and outermost layer cavity flows out, drop onto oil discharge passage 32 and flow to bearing 23(referring to Fig. 4) play bearing is carried out to self-oiling again, the like, in the present embodiment, can carry out four times self-oiling, then change automatic fuelling device and carry out again self-oiling.
Referring to Fig. 7, inner ring 222 is connected with three concentricitys and observes bar 227.Three concentricitys are observed bar 227 along the circumferential distribution of inner ring 222.Concentricity is observed the centre line L of bar with inner ring 222 intersect vertical axis.Concentricity is observed bar 227 and is comprised inner segment 2271 and outer section 2272.Inner segment 2271 is fixed together with inner ring 222.The outer end 22721 of outer section is spherical.Be provided with the outer end of the outer section of indication for outer section 2272 with the scale 2273 of the distance H between inner ring axis.Outer ring 223 is provided with three reference blocks 228 that circumferentially distribute along outer ring.The angle that angle between adjacent reference block is observed between bar with adjacent concentricity equates.Reference block 228 is provided with abutting part 2281 and approaching face 2282.Three abutting parts 2281 that amount to of three reference blocks 228 are positioned on the face of cylinder of line centered by the line of centers of tread 221.The outer end 22721 of outer section is with between abutting part 2281 being some contact (line contact also can meet accuracy requirement certainly).
Referring to Fig. 8, outer section 2272 along inner ring radially telescopically be inserted in inner segment 2271.Between outer section 2272 and inner segment 2271, by ejecting spring 2274, link together.
Referring to Fig. 7, adjust inner ring and with outer ring to the method for the heart, be: make three concentricitys observe bars 227 the outer end 22721 of outer section correspondingly with together with abutting part 2281 alignment of three reference blocks 228, being connected under the effect of ejecting spring 2274.Observe reading on three scales 2273 and whether equate, if equated, represent concentric, the some position that etc. does not change friction lining 334 by adjusting bolt 225 in inner ring 222 and outer ring 223 make inner ring 222 and outer ring 223 concentric.
Claims (7)
1. the electronic tourist train drive system of rail, comprise vehicle frame, be arranged at drive motor and two road wheels pair of described vehicle frame, described road wheel is to comprising wheel shaft and two road wheels that are connected to wheel shaft two ends, it is characterized in that, described road wheel is rail wheel, described drive motor has two, and described two drive motor drive the wheel shaft of described two road wheel centerings correspondingly.
2. the electronic tourist train drive system of rail according to claim 1, is characterized in that, described drive motor and wheel shaft link together by gear case.
3. the electronic tourist train drive system of rail according to claim 1 and 2, it is characterized in that, described road wheel is provided with tread, described road wheel comprises inner ring and is sheathed on the outer ring of inner ring, described wheel shaft is connected in described inner ring, described tread is arranged at described outer ring, is provided with some friction linings between described inner ring and outer ring, passes through described friction lining frictional transmission between described inner ring and outer ring.
4. the electronic tourist train drive system of rail according to claim 3, it is characterized in that, described inner ring is provided with friction lining fixed block, described friction lining is connected with adjustment bolt, described adjustment bolt radially connects described friction lining fixed block along inner ring, described adjustment bolt is threaded togather with described friction lining fixed block, and described friction lining is connected in described inner ring by described adjustment bolt.
5. the electronic tourist train drive system of rail according to claim 4, it is characterized in that, described road wheel also comprises three concentricitys observation bars, three concentricitys are observed bar along the circumferential distribution of inner ring, the line of centers that concentricity is observed bar intersects vertically with inner ring axis, described concentricity observe bar comprise be fixed in inner ring inner segment and along inner ring radially telescopically be connected in outer section of inner segment, described outer section is provided with the outer end of described outer section of indication with the scale of the distance between described inner ring axis, described outer ring is provided with three reference blocks that circumferentially distribute along outer ring, the angle that angle between adjacent reference block is observed between bar with adjacent concentricity equates, described reference block is provided with abutting part, the abutting part of described three reference blocks is positioned on the face of cylinder of line centered by the line of centers of tread.
6. the electronic tourist train drive system of rail according to claim 5, is characterized in that, the outer end of described outer section is with between described abutting part being point or line contact.
7. the electronic tourist train drive system of rail according to claim 1 and 2, it is characterized in that, also comprise topping up device, described wheel shaft is connected in described vehicle frame by bearing, described topping up device comprises petrol storage tank, oil discharge passage, rupture of membranes bar and corrosive liquid storage bin, described oil discharge passage is for being transported to described bearing by the lubricating oil of described petrol storage tank, described petrol storage tank comprises at least two sheathed and cavitys of being fixed together successively, the lower wall of described cavity is provided with oil outlet, described oil outlet is sealedly connected with diaphragm seal, described rupture of membranes bar vertically extends and is positioned at the below of petrol storage tank, described rupture of membranes bar, and the oil outlet of all cavitys is all positioned on same vertical curve, in described corrosive liquid storage bin, be provided with the saturating formula floating drum of regular corruption, the saturating formula floating drum of described regular corruption comprises the rotproofness shell of lower ending opening and somely by the corrosive liquid in the liquid storage bin that can be corroded, is expended and set the dividing plate that duration corrodes brokenly, described dividing plate is partitioned into some floating chambers by described shell, the quantity of described floating chamber equates with the quantity of described cavity, described dividing plate distributes along the vertical direction, described petrol storage tank floats on the corrosive liquid in described corrosive liquid storage bin by described floating drum, described in each, floating chamber can both float described petrol storage tank independently, corrosive liquid in corrosive liquid storage bin every corrosion Po Yige floating chamber and cause in process that petrol storage tank declines once, described rupture of membranes bar only can poke a diaphragm seal on cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128500.3A CN104108397B (en) | 2014-04-02 | 2014-04-02 | The electronic tourist train drive system of rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128500.3A CN104108397B (en) | 2014-04-02 | 2014-04-02 | The electronic tourist train drive system of rail |
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| CN104108397A true CN104108397A (en) | 2014-10-22 |
| CN104108397B CN104108397B (en) | 2016-05-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201058609Y (en) * | 2007-07-06 | 2008-05-14 | 上海轨道交通设备发展有限公司 | Bogie for subway vehicle |
| JP2009107611A (en) * | 2007-10-31 | 2009-05-21 | Toshio Ishizaka | Off-center bearing wheel |
| CN102582645A (en) * | 2012-02-12 | 2012-07-18 | 株洲时代电子技术有限公司 | Electric transmission bogie for track engineering vehicle |
| CN202783213U (en) * | 2012-08-28 | 2013-03-13 | 杭州俊士铁路设备有限公司 | Small electric train |
| CN203876758U (en) * | 2014-04-02 | 2014-10-15 | 杭州俊士铁路设备有限公司 | Driving mechanism of tracked electric sightseeing train |
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2014
- 2014-04-02 CN CN201410128500.3A patent/CN104108397B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201058609Y (en) * | 2007-07-06 | 2008-05-14 | 上海轨道交通设备发展有限公司 | Bogie for subway vehicle |
| JP2009107611A (en) * | 2007-10-31 | 2009-05-21 | Toshio Ishizaka | Off-center bearing wheel |
| CN102582645A (en) * | 2012-02-12 | 2012-07-18 | 株洲时代电子技术有限公司 | Electric transmission bogie for track engineering vehicle |
| CN202783213U (en) * | 2012-08-28 | 2013-03-13 | 杭州俊士铁路设备有限公司 | Small electric train |
| CN203876758U (en) * | 2014-04-02 | 2014-10-15 | 杭州俊士铁路设备有限公司 | Driving mechanism of tracked electric sightseeing train |
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| CN104108397B (en) | 2016-05-25 |
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