CN104648421A - Meter-gauge electric locomotive and bogie for meter-gauge electric locomotive - Google Patents
Meter-gauge electric locomotive and bogie for meter-gauge electric locomotive Download PDFInfo
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- CN104648421A CN104648421A CN201510000967.4A CN201510000967A CN104648421A CN 104648421 A CN104648421 A CN 104648421A CN 201510000967 A CN201510000967 A CN 201510000967A CN 104648421 A CN104648421 A CN 104648421A
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- draw bar
- bogie truck
- framework
- meter
- connecting lever
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a bogie for a meter-gauge electric locomotive. The bogie comprises a framework, and a traction device which is arranged on the framework, wherein two sides of the framework are respectively provided with a first moving crank arm and a second moving crank arm; the traction device comprises a first traction rod and a second traction rod; the first traction rod and the second traction rod are respectively arranged at two sides of the framework, and are parallel to each other; one end of the first traction rod is spherically connected with the first moving crank arm; one end of the second traction rod is spherically connected with the second moving crank arm; the other end of the first traction rod and the other end of the second traction rod are both spherically connected with a traction base on a locomotive body chassis. According to the bogie for the meter-gauge electric locomotive disclosed by the invention, the framework and the traction device are mainly included, the first traction rod of the traction device is spherically connected with the first moving crank arm, and the second traction rod of the traction device is spherically connected with the second moving crank arm, so that the traction device can be better adaptive to the relative motion between a locomotive body and the bogie.
Description
Technical field
The present invention relates to technical field of rail traffic, the bogie truck of particularly a kind of meter-gage electric locomotive.The invention still further relates to a kind of meter-gage electric locomotive comprising above-mentioned bogie truck.
Background technology
Meter gage railway, refers to that gauge is the track routes of 1000mm.Meter-gage circuit is distributed widely in the countries and regions such as South Asia, South East Asia, Africa and South Africa, due to a variety of causes such as economy, technology, infrastructure constructions, the rail traffic vehicles that these countries and regions are generally applied mainly comparatively falls behind based on technology, lower-powered diesel locomotive vehicle.But, along with the Musculature stab of these countries, the growth of electrified railway circuit mileage, diesel locomotive cannot meet the requirement of the transportation volume day by day increased because of its tractive force is less, running velocity is lower feature, and the demand for high-power locomotive vehicle increases year by year.Because electric locomotive has relative to diesel locomotive, power is large, tractive force is large, running velocity is high, utilization of adhesion advantages of higher, therefore, electric locomotive is used for trunk railway shipping and passenger traffic traction transport, can significantly improve railway transporting amount and travelling speed, drive economic development.Meanwhile, because electric locomotive has the free of contamination feature of environmental protection, pressure can not be brought to urban air and noise abatement.
Distance between backs of wheel flanges by meter gage railway limits, ensure that meter-gage electric locomotive has high-power (general value rating horsepower is greater than 3000kw), large traction (refer generally to maximum startup tractive force and reach 430kN) contour performance, under the precondition ensureing the necessary space such as locomotive traction motor performance, heat radiation, the drive system model structure design of engine truck is very important, and such as wherein important is tie---the draw gear of connection body and bogie truck.But in the prior art, draw gear is one-piece construction, and structure design is unreasonable, cause and relative motion comformability between car body and bogie truck poor.
Summary of the invention
The object of this invention is to provide a kind of bogie truck of meter-gage electric locomotive, the relative motion between draw gear adaptation car body and bogie truck can be made.Another object of the present invention is to provide a kind of meter-gage electric locomotive comprising above-mentioned bogie truck.
For solving the problems of the technologies described above, the invention provides a kind of bogie truck of meter-gage electric locomotive, comprise framework and be arranged at the draw gear on described framework, the both sides of described framework are respectively arranged with the first movable connecting lever and the second movable connecting lever, described draw gear comprises the first draw bar and the second draw bar, described first draw bar and described second draw bar are separately positioned on the both sides of described framework, and parallel to each other; Described first draw bar and the second draw bar, both one of them one end and described first movable connecting lever ball connect, wherein then movable connecting lever ball connects with second in one end of another one, and the other end of the other end of described first draw bar and described second draw bar all connects with the traction seat ball be arranged on vehicle body bottom frame.
Preferably, described first draw bar is connected by ball and socket with between described traction seat with described traction seat or described second draw bar with described second connecting lever, described first draw bar with described first movable connecting lever, described second draw bar.
Preferably, described ball and socket place is by spacer type oil lubrication.
Preferably, also comprise the secondary suspension device for ensureing described meter-gage electric locomotive tackness, described secondary suspension device is arranged on described framework, and the upper surface of described secondary suspension device is connected with the sleeper beam of described vehicle body bottom frame.
Preferably, described secondary suspension device is side bearing rubber spring, and described side bearing rubber spring is fixedly connected with described framework with clamp by bolt, and the length direction of described side bearing rubber spring is perpendicular to the surface of described framework.
Preferably, also comprise gear system, described gear system is arranged in described framework, and the output shaft of described gear system is connected with the wheel countershaft of described meter-gage electric locomotive.
Preferably, described gear system is wrapped with gear cover, described gear cover is provided with for ensureing pressure balanced deflation hole.
Preferably, also comprise the derailing fender guard for the protection of described gear system, the front end of described framework is provided with front beam; Described derailing fender guard can vertically be arranged at below described front beam movably, and described derailing fender guard faces described gear system in horizontal surface.
Preferably, be provided with pad between the upper surface of described derailing fender guard and the lower surface of described front beam, described derailing fender guard is connected by the mode of pad described in bolt-through with described front beam.
The present invention also provides a kind of meter-gage electric locomotive, and comprise car body and be arranged at the bogie truck below described car body, wherein, described bogie truck is the bogie truck described in above-mentioned any one.
The bogie truck of meter-gage electric locomotive provided by the present invention, mainly comprises framework and draw gear.Wherein, framework is the main body of bogie truck, for carrying and installing all the other parts.The first movable connecting lever and the second movable connecting lever is respectively arranged with in the both sides of framework.Draw gear comprises the first draw bar and the second draw bar, and the first draw bar and the second draw bar are also arranged on the both sides of framework, and parallel to each other, and guarantee bogie truck like this turns to smoothly.In addition, one end of the first draw bar and the second draw bar connects with the first corresponding separately movable connecting lever or the second movable connecting lever ball respectively.Namely one end of one end of the first draw bar and the first movable connecting lever, the second draw bar and the second movable connecting lever ball connect, or one end of the first draw bar and the second movable connecting lever, one end of the second draw bar and the first movable connecting lever ball connect.And the other end of the first draw bar and the other end and the second draw bar all connects with the traction seat ball be arranged on vehicle body bottom frame, so, car body is just connected by the effect of the first draw bar with the second draw bar with bogie truck.Due to meter-gage electric locomotive operationally, bogie truck and car body are in that relative level rotates, opposed vertical rotates simultaneous compound movement state, therefore, the bogie truck of meter-gage motor provided by the present invention, all movable connecting lever or the second movable connecting lever, traction seat ball connect with first for the two ends of the first draw bar and the second draw bar, so draw gear can sphere connect freely rotate under, traction car body and bogie truck are synchronized with the movement, the comformability of raising and the relative motion between car body and bogie truck.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the integral structure front elevation of the first detailed description of the invention provided by the present invention;
Fig. 2 is the integral structure birds-eye view of the first detailed description of the invention provided by the present invention;
Fig. 3 is the integral structure front elevation of the second detailed description of the invention provided by the present invention;
Fig. 4 is the integral structure birds-eye view of the second detailed description of the invention provided by the present invention.
Wherein, in Fig. 1-Fig. 2:
Framework-1, the first movable connecting lever-101, the second movable connecting lever-102, draw gear-2, the first draw bar-201, the second draw bar-202, traction seat-3, ball and socket-4, secondary suspension device-5.
In Fig. 3-Fig. 4:
Front beam-103, gear system-6, gear cover-7, deflation hole-8, derailing fender guard-9, pad-901, bolt-902.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, Fig. 1 is the integral structure front elevation of the first detailed description of the invention provided by the present invention.
In the first detailed description of the invention provided by the present invention, the bogie truck of meter-gage electric locomotive mainly comprises framework 1 and draw gear 2.Wherein, framework 1 is the agent structure of the bogie truck of meter-gage electric locomotive, is mainly used in carrying and installs all the other parts.The bogie truck of meter-gage motor locomotive provided by the present invention is mainly for Co bogie truck, and the global shape of framework 1 is the structure in " order " font.In addition, framework 1 is provided with the first movable connecting lever 101 and the second movable connecting lever 102, both are separately positioned on the both sides (being generally the left and right sides) of framework 1, and the first movable connecting lever 101 and the second movable connecting lever 102 can be freely movable, concrete finger can horizontally rotate or vertical rotation relative to the framework 1 of bogie truck both this, and its effect will be discussed in detail in subsequent content.
Draw gear 2 is core components of the bogie truck of meter-gage electric locomotive provided by the present invention, in track traffic vehicle technology field, draw gear 2 is important pivot of connection body and bogie truck, it can when bogie truck and car body generation relative motion (such as when meter-gage electric locomotive left and right turn or uphill/downhill), carry out almost synchronous motion with motor vehicles bodies, ensure the normal traveling of meter-gage electric locomotive.
Please refer to Fig. 2, Fig. 2 is the integral structure birds-eye view of the first detailed description of the invention provided by the present invention.
Connect above-mentioned, draw gear 2 in the present invention is parallel drawing pull bar structures, comprise the first draw bar 201 and the second draw bar 202, and the first draw bar 201 and the second draw bar 202 are also separately positioned on the both sides (being generally the left and right sides) of framework 1, in addition the first draw bar 201 and the second draw bar 202 parallel to each other, setting like this, between bogie truck and car body during motion relative to each other, first draw bar 201 and the second draw bar 202 can rotate toward same direction simultaneously, thus band motor vehicles bodies and bogie truck are synchronized with the movement smoothly.In addition, the first draw bar 201 and the second draw bar 202 are arranged on the both sides of framework 1, can also share the overall weight of car body, and make the stressing conditions of car body even, avoid when bogie truck significantly rotates, car body causes rollover owing to being subject to overturning couple.
Be more importantly, one end of first draw bar 201 and one end of the second draw bar 202 are connected with aforementioned that be arranged on framework 1 both sides, the corresponding separately movable connecting lever 102 of the first movable connecting lever 101 or the second respectively, and be that sphere connects, engineering is called for short ball and connects.That is, one end of the first draw bar 201 and the first movable connecting lever 101 ball connect, and one end of the second draw bar 202 and the second movable connecting lever 102 ball connect.Certainly, also can be that one end and second movable connecting lever 102 ball of the first draw bar 201 connects, and one end of the second draw bar 202 and the first movable connecting lever 101 ball connect.As for the other end of the first draw bar 201 and the other end of the second draw bar 202, then all connect with traction seat 3 ball.This traction seat 3 is arranged on vehicle body bottom frame, is mainly used in installing draw gear 2, by the installation of draw gear 2 with traction seat 3, makes bogie truck and car body carry out Dynamic link library.And because meter-gage electric locomotive is when real-world operation, be in complicated relative motion state in real time between bogie truck and car body, particular case changes according to traffic information, but is generally all that left and right turn superposes with the motion of uphill/downhill.Therefore, connection hinge between bogie truck and car body---draw gear 2, its state of kinematic motion is complicated too, be mainly the resultant motion comprising horizontal revolving motion and tilt motions, therefore, the parallel drawing pull bar structure of bilateral of the draw gear 2 that the present embodiment provides, by fabricated section (the first movable connecting lever 101 of its attaching parts (first draw bar 201 and the second draw bar 202) with two ends, second movable connecting lever 102 and traction seat 3) sphere type of attachment, the comformability that the relative motion of draw gear 2 pairs between car body and bogie truck is higher can be ensured.
Herein preferably, first draw bar 201 and the first movable connecting lever 101, second draw bar 202 and the second movable connecting lever 102, or the first draw bar 201 and the second movable connecting lever 102, second draw bar 202 and the first movable connecting lever 101, and first between draw bar 201, second draw bar 202 and traction seat 3, all carry out sphere connection by ball and socket 4.Ball and socket 4 is a kind of spherical pair movable parties conventional in engineering, setting like this, draw gear 2 can be made to be connected with the sphere between the movable connecting lever on framework 1, traction seat 3 smooth-going, stable, and due to ball and socket 4 in the course of the work, often carry out fitfull rotation, be subject to the force and moment of the different directions from attaching parts, therefore the wearing and tearing of ball and socket 4 are more serious simultaneously.And may wear to a certain degree at ball and socket 4, changing ball and socket 4, without the need to changing the first draw bar 201, second draw bar 202 or the movable connecting lever 102 of the first movable connecting lever 101, first, reducing maintenance cost.Certainly, " ball connects " in the present embodiment is not limited in and completes connection by the form of ball and socket 4, and the mechanism connected due to sphere conventional in engineering is a lot, does not enumerate herein.
Above-mentionedly mention, ball and socket 4 is when meter-gage electric locomotive runs, and wearing and tearing are relatively more serious, and for this, the present embodiment carries out oil lubrication at ball and socket 4 place by spacer type.Due to the effect of spacer type oil lubrication, avoid the first draw bar 201 in ball and socket 4 to contact with the direct of the movable connecting lever of the first movable connecting lever 101 or the second 102, it also avoid the first draw bar 201 or the second draw bar 202 equally to contact with direct between traction seat 3, friction type is improved to wet friction by dry friction, actv. alleviates 2 wearing and tearing of draw gear, increases service life.
In sum, the bogie truck of the meter-gage electric locomotive that the present embodiment provides, carry out bearing body by framework 1, all the other parts are installed, again by the sphere of the bilateral parallel drawing pull bar structure of draw gear 2 and the movable connecting lever on framework 1 and the traction seat 3 on vehicle body bottom frame be connected ensure bogie truck and car body relative motion time, draw gear 2 can ensure the comparatively high-adaptability to this relative motion.Compared to prior art, be conducive to the running quality and the traffic safety that improve meter-gage electric locomotive, simultaneously because the relative motion state synchronized rate between bogie truck and car body is improved, therefore, the operation stability of meter-gage electric locomotive is better.In addition, the setting position of the draw gear 2 in the present embodiment is lower, and namely drawbar height is lower, so can utilize the center of gravity effect brought on the lower side, improves the car body of meter-gage electric locomotive and turns to the tackness of frame member.
In order to improve when relative motion further, the tackness between car body and bogie truck, the present embodiment has set up secondary suspension device 5 on framework 1.This secondary suspension device 5 is arranged on framework 1, and in the space specifically between car body and bogie truck, its upper surface is connected with the sleeper beam of vehicle body bottom frame.Usually, secondary suspension device 5 a kind ofly has elasticity and have the link of certain mass.So, under the connection function of secondary suspension device 5, the connection compactness between car body and bogie truck or tackness just can be enhanced.
Herein preferably, secondary suspension device 5 is side bearing rubber spring, and this side bearing rubber spring is fixed on framework 1 by the mode of bolt and clamp, certainly, its length direction needs vertical with the surface of framework 1, so just can play the effect of support and connection body and bogie truck.This side bearing rubber spring has the advantages that rigidity is less, transversal deformability is strong, and therefore can adapt to the larger displacement between bogie truck and car body under sharp radius curve line condition, and not need lubricating system, operation and maintenance is simple and convenient.Avoid the complex structure caused owing to using sliding type friction plate in prior art, the defect such as maintainability is poor, rigidity is large and the vertical traveling comfort of locomotive is poor.In addition, can also by changing the setting position of side bearing rubber spring on framework 1 and longitudinal span of adjacent two side bearing rubber springs, solve because bogie pivot center is biased the heavy inconsistent problem of the axle brought, effectively improve the tackness between the bogie truck of locomotive and car body.
The present embodiment also provides a kind of meter-gage electric locomotive, and comprise car body and be arranged on the bogie truck below car body, wherein, this bogie truck is identical with foregoing teachings, repeats no more herein.
Please refer to Fig. 3 and Fig. 4, Fig. 3 is the integral structure front elevation of the second detailed description of the invention provided by the present invention; Fig. 4 is the integral structure birds-eye view of the second detailed description of the invention provided by the present invention.
The second detailed description of the invention provided by the present invention, the basis of the first detailed description of the invention is improved, is specially: set up gear system 6 and derailing fender guard 9.The remainder of the bogie truck of the meter-gage electric locomotive that the present embodiment provides is identical with foregoing, repeats no more herein.
In the second detailed description of the invention provided by the present invention, in order on the basis of the high-adaptability of draw gear 2, ensure the high power performance of meter-gage electric locomotive, the present embodiment has set up gear system 6 on framework 1.It is inner that this gear system 6 is arranged on framework 1, and its output shaft is connected with the wheel countershaft of meter-gage electric locomotive.Usually, this gear system 6 is straight-tooth primary transmission, and driving gear and motor shaft adopt " outer bevel-type " interference fit; And correspondingly, driven gear adopts the split-type structural of gear ring and gear hub.So, the power system of meter-gage electric locomotive is when being delivered to wheel pair, and the big speed ratio first through gear system 6 slows down, by the principle of " deceleration increasing is turned round ", make meter-gage electric locomotive have larger moment of torsion to export, thus make drive system have larger tractive force.
In addition, because gear system 6 generally adopts splash oil lubrication, for this, the present embodiment has gear cover 7 in the outer wrap of gear system 6.This gear cover 7 adopts labyrinth seal, on the basis ensureing leak tightness, can also be sheltered from by lubricating oil when lubricating oil splash and collect recovery.In addition, gear cover 7 can also block and stop the impurity such as extraneous sand and dust to enter the inside of gear system 6, improves mechanical service life, reduces service expenditure.And in order to coordinate with gear cover 7, generally on gear cover 7, be provided with fuel return hole, utilize the gravity of lubricating oil and the characteristic of concentration of liquid, the lubricating oil collected by gear cover 7 is all flow in fuel tank by leading back to of fuel return hole, avoid gear box lubricating oil leakage problem of the prior art.In addition, gear cover 7 is generally also provided with deflation hole 8, this deflation hole 8 makes gear cover 7 air pressure inside reach the state such as pressurize, release by being vented in time, ensures the equilibrium of pressure of gear cover 7 inside.
Further, because the power system of gear system 6 pairs of meter-gage electric locomotives is of crucial importance, so the present embodiment has set up derailing fender guard 9, be mainly used in protecting gear system 6 injury-free under the limiting cases such as locomotive derailing.For this reason, in the present embodiment, the front end on framework 1 is provided with front beam 103, and this derailing fender guard 9 is arranged on front beam 103, and particular location is in the below of front beam 103.Further, derailing fender guard 9 can vertically movement, the position in horizontal surface and gear system 6 just right.Setting like this; then can according to the height and position of gear system 6; regulate the vertical dimension of derailing fender guard 9; derailing fender guard 9 is made in horizontal surface, to face gear system 6 all the time; thus under there is the limiting cases such as derailing at locomotive; gear system 6 is subject to blocking of fender guard 9 of derailing and can not directly strikes on rail, avoids causing serious harm.In addition, because derailing fender guard 9 is arranged on the front position of framework 1, therefore it can also be alleviated because actuating device is along putting the bogie pivot center the caused adverse effect brought to the rear.
Herein preferably, be provided with pad 901 between the upper surface of derailing fender guard 9 and the lower surface of front beam 103, and the fender guard 9 that derails just runs through pad 901 mode by bolt 902 forms and can vertically be connected movably with front beam 103.So, operating personal just can regulate the height and position of derailing fender guard 9 by the form increasing and decreasing pad 901 simply, makes itself and gear system 6 just right.Certainly, derailing fender guard 9 and the connection mode of front beam 103 are not limited in the form that pad 901 coordinates with bolt 902, and the form that all the other such as slide blocks and track coordinate is feasible too.
The present embodiment also provides a kind of meter-gage electric locomotive, and comprise car body and be arranged on the bogie truck below car body, wherein, this bogie truck is identical with foregoing teachings, repeats no more herein.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. the bogie truck of a meter-gage electric locomotive, comprise framework (1) and be arranged at the draw gear (2) on described framework (1), it is characterized in that, the both sides of described framework (1) are respectively arranged with the first movable connecting lever (101) and the second movable connecting lever (102), described draw gear (2) comprises the first draw bar (201) and the second draw bar (202), described first draw bar (201) and described second draw bar (202) are separately positioned on the both sides of described framework (1), and parallel to each other; Described first draw bar (201) and the second draw bar (202), both one of them one end and described first movable connecting lever (101) ball connect, wherein then movable connecting lever (102) ball connects with second in one end of another one, and the other end of the other end of described first draw bar (201) and described second draw bar (202) all connects with the traction seat be arranged on vehicle body bottom frame (3) ball.
2. bogie truck according to claim 1, it is characterized in that, described first draw bar (201) is connected with described traction seat (3) or between described second draw bar (202) with described traction seat (3) by ball and socket (4) with described second connecting lever (102), described first draw bar (201) with described first movable connecting lever (101), described second draw bar (202).
3. bogie truck according to claim 2, is characterized in that, described ball and socket (4) place is by spacer type oil lubrication.
4. bogie truck according to claim 1, it is characterized in that, also comprise the secondary suspension device (5) for ensureing described meter-gage electric locomotive tackness, described secondary suspension device (5) is arranged on described framework (1), and the upper surface of described secondary suspension device (5) is connected with the sleeper beam of described vehicle body bottom frame.
5. bogie truck according to claim 4, it is characterized in that, described secondary suspension device (5) is side bearing rubber spring, described side bearing rubber spring is fixedly connected with described framework (1) with clamp by bolt, and the length direction of described side bearing rubber spring is perpendicular to the surface of described framework (1).
6. bogie truck according to claim 1, it is characterized in that, also comprise gear system (6), described gear system (6) is arranged in described framework (1), and the output shaft of described gear system (6) is connected with the wheel countershaft of described meter-gage electric locomotive.
7. bogie truck according to claim 6, it is characterized in that, described gear system (6) is wrapped with gear cover (7), described gear cover (7) is provided with for ensureing pressure balanced deflation hole (8).
8. bogie truck according to claim 6, it is characterized in that, also comprise the derailing fender guard (9) for the protection of described gear system (6), the front end of described framework (1) is provided with front beam (103); Described derailing fender guard (9) vertically can be arranged at described front beam (103) below movably, and described derailing fender guard (9) faces described gear system (6) in horizontal surface.
9. bogie truck according to claim 8; it is characterized in that; be provided with pad (901) between the upper surface of described derailing fender guard (9) and the lower surface of described front beam (103), the mode that described derailing fender guard (9) and described front beam (103) run through described pad (901) by bolt (902) is connected.
10. a meter-gage electric locomotive, comprise car body and be arranged at the bogie truck below described car body, it is characterized in that, described bogie truck is the bogie truck described in any one of claim 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510000967.4A CN104648421A (en) | 2015-01-04 | 2015-01-04 | Meter-gauge electric locomotive and bogie for meter-gauge electric locomotive |
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| CN201510000967.4A CN104648421A (en) | 2015-01-04 | 2015-01-04 | Meter-gauge electric locomotive and bogie for meter-gauge electric locomotive |
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| CN110293989A (en) * | 2019-07-31 | 2019-10-01 | 中车戚墅堰机车有限公司 | Adapt to the bogie and locomotive of sharp radius curve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293989A (en) * | 2019-07-31 | 2019-10-01 | 中车戚墅堰机车有限公司 | Adapt to the bogie and locomotive of sharp radius curve |
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Application publication date: 20150527 |