CN206344812U - Medium-and low-speed maglev traffic maintenance tractor and its bogie - Google Patents

Medium-and low-speed maglev traffic maintenance tractor and its bogie Download PDF

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Publication number
CN206344812U
CN206344812U CN201621368373.5U CN201621368373U CN206344812U CN 206344812 U CN206344812 U CN 206344812U CN 201621368373 U CN201621368373 U CN 201621368373U CN 206344812 U CN206344812 U CN 206344812U
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China
Prior art keywords
bogie
low
medium
speed maglev
traffic maintenance
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CN201621368373.5U
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Chinese (zh)
Inventor
司恩
佟来生
罗华军
胡伟
吴志会
岳芹
陈志保
李笑严
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CRRC Zhuzhou Locomotive Co Ltd
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CRRC Zhuzhou Locomotive Co Ltd
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Abstract

The utility model discloses a kind of medium-and low-speed maglev traffic maintenance tractor and its bogie.The bogie of the medium-and low-speed maglev traffic maintenance tractor includes framework, dress architecturally be used for be connected with vehicle frame draw-gear, along F rails lateral surface setting guide position limiter, Overthrow preventing device and suspension arrangement, equipped with many axletrees on the bogie, driving moment and brake apparatus are housed on the axletree;The driving moment is used to walk or park on F rail sled bearing-surfaces;The axle end is provided with the shaft coupling for being used for being connected with hydraulic motor.Bogie of the present utility model can meet and adapt to the requirement of medium-and low-speed maglev track engineering power car.

Description

Medium-and low-speed maglev traffic maintenance tractor and its bogie
Technical field
The utility model is related to a kind of medium-and low-speed maglev traffic maintenance tractor and its bogie, belongs to rail engineering automobile neck Domain.
Background technology
Medium-and low-speed maglev traffic technique has the characteristics of noise is low, route selection is flexible, belongs to resource-conserving and environmentally friendly Novel green urban rail transit technology, be highly valued both at home and abroad.
At present, there are two medium-and low-speed maglev traffic lines the country, wherein, Changsha magnetic floats cable release and opened on May 6th, 2016 Logical operation, and obtain success.In view of the floating industry demonstration effect of Changsha magnetic, Zheng Dong new districts, Urumqi Airport line, Nanning machine Field wire, Binhai New Area in Tianjin etc. proceed by the feasibility assessment of low speed magnetic floating traffic system, various regions like the mushrooms after rain, one after another The cry for building magnetic floating traffic operation line is gradually high.
The success or not of medium-and low-speed maglev traffic operation, it is no doubt related to the reliability of magnetic-levitation train, but, line track Operation maintenance is also most important.The domestic initial stage for being still in medium-and low-speed maglev traffic commercial operation, has no on middle low speed Magnetic floating traffic safeguards the relevant report of tractor.Tractor is safeguarded as the power car of magnetic levitation track engineering truck, responsible traction is not The detection car of drive(Or Operation Van)Carry out wireline inspection and track circuit construction operation.
In view of in low maglev vehicle structural parameters, operation logic, running mechanism and track structure etc. with wheel track vehicle not Together, safeguard tractor from the suitable kind of drive, mode of braking, guiding mechanism etc. for vehicle safe operation to closing weight Will, therefore, for the design feature of magnetic levitation track, it would be highly desirable to research and develop a kind of track engineering dimension of medium-and low-speed maglev traffic being applied to Protect power car.
Utility model content
The utility model aims to provide a kind of medium-and low-speed maglev traffic maintenance tractor and its bogie, and the bogie can be fitted Answer the requirement of medium-and low-speed maglev track engineering power car.
To achieve these goals, the technical scheme that the utility model is used is:
A kind of bogie of medium-and low-speed maglev traffic maintenance tractor, including framework, dress being used for and vehicle frame architecturally Connected draw-gear, guide position limiter, Overthrow preventing device and the suspension arrangement set along F rails lateral surface, its design feature It is, equipped with many axletrees on the bogie, driving moment and brake apparatus to be housed on the axletree;The driving moment is used for Walk or park on F rail sled bearing-surfaces;The axle end is provided with the shaft coupling for being used for being connected with hydraulic motor.
According to embodiment of the present utility model, further optimization can also be made to the utility model, below for optimization after The technical scheme of formation:
Preferably, four sets of guide position limiters and four sets of Overthrow preventing devices, the guide and limit are set on the bogie Device and Overthrow preventing device are symmetricly set on the both sides of bogie.
Preferably, every bogie has four axletrees and eight driving moments;The wheel hub of the driving moment passes through method Orchid is connected with axletree.
Preferably, often set guide position limiter includes setting two of realization guiding and cross spacing to lead along F rails lateral surface The safety wheel of preventing vehicle rollover is realized to wheel and along F rail magnetic pole strengths.
Preferably, the suspension arrangement includes single stage suspension device and secondary suspension device;The single stage suspension device can Realize two sets of single stage suspension devices of setting on the decoupling between different axletrees, every axletree;Left and right is each on every bogie is set A set of secondary suspension device.It is highly preferred that the secondary suspension device uses rubber metal pad.
The draw-gear uses the draw-gear of single traction rod.
In order to reduce the impact to F tracks and abrasion, the driving moment has solid tire.
Based on same inventive concept, the utility model additionally provides a kind of medium-and low-speed maglev traffic maintenance tractor, its Including vehicle frame, dynamical system, hydraulic system, traveling control system and bogie;Characterized in that, the bogie has two, And the bogie of equal described medium-and low-speed maglev traffic maintenance tractor.
The traveling control system by adjust the discharge capacity of hydraulic oil pump and hydraulic motor realize vehicle stepless speed regulation and Constant-speed operation, the axle end passes through shaft coupling and hydraulic motor;The dynamical system provides former dynamic using Diesel engine Power, drives and is operated with the coaxial hydraulic oil pump of Diesel engine.
By said structure, the maintenance tractor for the medium-and low-speed maglev traffic that the utility model is provided, including, it is vehicle frame, dynamic Force system, hydraulic system, bogie, brakes and traveling control system.Vehicle uses hydrostatic transmission system, by hydraulic oil pump Volumetric speed control closed circuit hydraulic system is constituted with hydraulic motor, dynamical system, there is provided motive power, is driven using Diesel engine Operated with the coaxial hydraulic oil pump of engine, realize that the stepless speed regulation of vehicle and constant speed are transported by adjusting the discharge capacity of oil pump and motor OK.Bogie is provided with draw-gear, guide position limiter, Overthrow preventing device, suspension arrangement and brake apparatus etc., realizes vehicle The transmission of tractive force, guiding, anti-rollover, tire on the drive wheels use solid tire, and rubber tyre is realized by fluid motor-driven Walk or park on F rail sled bearing-surfaces.Traveling control system uses automatic control mode, is responsible for the traction and braking of vehicle Control.
Compared with prior art, the beneficial effects of the utility model are:
1)Using hydrostatic transmissions mode, compact conformation, small volume, power density are high, lightweight, effectively reduce to magnetic The single-point load of floating track.
2)Hydraulicefficiency is high, stepless speed regulation scope is big, and commutation is simple.
3)Hydraulic oil pump and hydraulic motor use automatic control mode, can realize 0~35km/h of vehicle stepless speed regulation And constant-speed operation, interference of the velocity perturbation to detection device can be avoided, the precision of track detecting is improved.
4)Tire on the drive wheels uses solid tire, and bearing capacity is strong, and significantly reduces the impact and abrasion to track.
5)Vehicle floats F tracks lateral surface along magnetic by directive wheel and realizes guiding and cross spacing, ensure that Vehicular turn, fortune Row is steady, it is to avoid tire on the drive wheels collision orbit tablet.
6)Vehicle realizes that vehicle overturn-preventing is spacing by safety wheel along F rail magnetic pole strengths, it is ensured that the danger that vehicle will not topple Danger.
7)Brakes efficiently, energy-conservation, it is safe and reliable.Vehicle is provided with addition to the hydraulic braking of hydraulic system itself The primary brake systems such as air damping.When speed is higher, hydraulic braking force is not enough, primary brake system is fed automatically, it can be ensured that car Safe and reliable stop.It is that vehicle stop can be achieved by hydraulic system itself brakes when speed is relatively low.
In a word, the maintenance tractor of medium-and low-speed maglev traffic of the present utility model efficiently solves vehicle and draws, brakes, leads To etc. key issue.
Brief description of the drawings
Fig. 1 is the structure principle chart of the utility model one embodiment;
Fig. 2 is Fig. 1 left view.
Embodiment
Describe the utility model in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that not conflicting In the case of, the feature in embodiment and embodiment in the utility model can be mutually combined.For sake of convenience, hereinafter such as There are " on ", " under ", "left", "right" printed words, only represent that the upper and lower, left and right direction with accompanying drawing in itself is consistent, not to structure Play restriction effect.
A kind of bogie for safeguarding tractor suitable for medium-and low-speed maglev traffic, as shown in figure 1, on every bogie 2 It is provided with draw-gear 6, guide position limiter, Overthrow preventing device, suspension arrangement and brake apparatus 7 etc..Bogie 2 uses four axles Eight wheels, a11wheel drive mode, driving moment use solid tire 8, and tire on the drive wheels wheel hub is connected by flange with axletree 9, Hydraulic motor 4 is connected by yielding coupling with axletree 9, and driving solid tire 8 is walked on the sled bearing-surface of F rails 14 Or park.Draw-gear 6 is connected with vehicle frame 1 using the mode of traction of single traction rod, is realized the transmission of tractive force.Bogie 2 Four sets of guide position limiters of upper setting and four sets of Overthrow preventing devices.Guide position limiter is real along the lateral surface of F rails 14 by directive wheel 10 Now it is oriented to and cross spacing, often covering guider there are two directive wheels 10.Magnetic pole of the Overthrow preventing device by safety wheel 11 along F rails 14 Preventing vehicle rollover is realized in face, and often covering Overthrow preventing device has a safety wheel 11.Suspension arrangement is provided with the He of single stage suspension device 12 Secondary suspension device 13, single stage suspension device 12 can realize it is different wheel between centers decouplings, it is ensured that vehicle under any circumstance, institute There is wheel not depart from tire on the drive wheels running face, make solid tire carrying uniform, two sets are set on every axletree 9.Two be outstanding Hang device 13 uses rubber metal pad, with certain antitorque and shock resistance rigidity, meets skew and torsion between vehicle frame 1 and bogie 2 Left and right sets a set of on the demand turned, every bogie 2.
Brake apparatus 7 is arranged on axletree 9, as the primary brake system of vehicle, by the way of air damping, comprising normal With the function of braking, brake hard and parking brake, when speed is higher, hydraulic braking force is not enough, primary brake system is mended automatically Give.It is that vehicle safety stop can be achieved by the hydraulic braking of hydraulic system itself when speed is relatively low.
Traveling control system uses automatic control mode, and car is realized by the discharge capacity for adjusting hydraulic oil pump 3 and hydraulic motor 4 Stepless speed regulation and constant-speed operation, be responsible for vehicle traction with braking control.
A kind of maintenance tractor suitable for medium-and low-speed maglev traffic, as illustrated in fig. 1 and 2, including vehicle frame 1, dynamical system, Hydraulic system, above-mentioned bogie 2 and traveling control system.Vehicle uses hydrostatic transmission system, by hydraulic oil pump 3 and hydraulic pressure horse Up to 4 composition volumetric speed control closed circuit hydraulic systems.Dynamical system provides motive power using Diesel engine 5, drives and diesel oil The coaxial hydraulic oil pump 3 of engine 5 is operated.Two above-mentioned bogies 2 are set on each vehicle.
The content that above-described embodiment is illustrated should be understood to that these embodiments are only used for being illustrated more clearly that the utility model, Rather than scope of the present utility model is limited, after the utility model has been read, those skilled in the art are new to this practicality The modification of the various equivalent form of values of type each falls within the application appended claims limited range.

Claims (10)

1. a kind of bogie of medium-and low-speed maglev traffic maintenance tractor, including framework, dress being used for and vehicle frame architecturally(1) Connected draw-gear(6), along F rails(14)Guide position limiter, Overthrow preventing device and suspension arrangement that lateral surface is set, it is special Levy and be, equipped with many axletrees on the bogie(9), the axletree(9)It is upper that driving moment and brake apparatus are housed(7);Institute Stating driving moment is used in F rails(14)Walk or park on sled bearing-surface;The axletree(9)End, which is provided with, to be used for and hydraulic pressure horse Reach(4)Connected shaft coupling.
2. the bogie of medium-and low-speed maglev traffic maintenance tractor according to claim 1, it is characterised in that the steering Frame(2)Four sets of guide position limiters of upper setting and four sets of Overthrow preventing devices, the guide position limiter and Overthrow preventing device are right Claim the both sides for being arranged on bogie.
3. the bogie of medium-and low-speed maglev traffic maintenance tractor according to claim 1, it is characterised in that every steering Frame has four axletrees(9)With eight driving moments;The wheel hub of the driving moment passes through flange and axletree(9)Connection.
4. the bogie of medium-and low-speed maglev traffic maintenance tractor according to claim 1, it is characterised in that often set is oriented to Stopping means is included along F rails(14)Lateral surface sets two directive wheels for realizing guiding and cross spacing(10)With along F rails(14) Magnetic pole strength realizes the safety wheel of preventing vehicle rollover(11).
5. the bogie of medium-and low-speed maglev traffic maintenance tractor according to claim 1, it is characterised in that the suspension Device includes single stage suspension device(12)And secondary suspension device(13);The single stage suspension device(12)Different axletrees can be achieved (9)Between decoupling, every axletree(9)Two sets of single stage suspension devices of upper setting(12);Every bogie(2)Upper left and right is each to be set A set of secondary suspension device(13).
6. the bogie of medium-and low-speed maglev traffic maintenance tractor according to claim 5, it is characterised in that described two are Suspension arrangement(13)Using rubber metal pad.
7. the bogie of the medium-and low-speed maglev traffic maintenance tractor according to any one of claim 1-6, its feature exists In the draw-gear(6)Using the draw-gear of single traction rod.
8. the bogie of the medium-and low-speed maglev traffic maintenance tractor according to any one of claim 1-6, its feature exists In the driving moment has solid tire(8).
9. a kind of medium-and low-speed maglev traffic maintenance tractor, including vehicle frame(1)Dynamical system, hydraulic system, traveling control system And bogie(2);Characterized in that, the bogie(2)Have two, and be any one of claim 1-8 in The bogie of low speed magnetic floating traffic maintenance tractor.
10. medium-and low-speed maglev traffic maintenance tractor according to claim 9, it is characterised in that the travelling control system System is by adjusting hydraulic oil pump(3)And hydraulic motor(4)Discharge capacity realize stepless speed regulation and the constant-speed operation of vehicle, the axletree (9)End passes through shaft coupling and hydraulic motor(4);The dynamical system uses Diesel engine(5)There is provided motive power, drive with Diesel engine(5)Coaxial hydraulic oil pump(3)Operating.
CN201621368373.5U 2016-12-14 2016-12-14 Medium-and low-speed maglev traffic maintenance tractor and its bogie Active CN206344812U (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109094586A (en) * 2018-09-12 2018-12-28 大连铁丰轨道交通装备有限责任公司 Magnetic suspension train draws maintenance engineering vehicle
CN109229113A (en) * 2018-09-11 2019-01-18 中国矿业大学 A kind of linear motor track drive-type underground magnetic suspension train
WO2019223678A1 (en) * 2018-05-21 2019-11-28 比亚迪股份有限公司 Anti-rollover apparatus, bogie, railway vehicle, and rail transport system
CN111536196A (en) * 2020-05-21 2020-08-14 中国航天科工飞航技术研究院(中国航天海鹰机电技术研究院) Landing buffering vibration damper and high-speed magnetic suspension equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019223678A1 (en) * 2018-05-21 2019-11-28 比亚迪股份有限公司 Anti-rollover apparatus, bogie, railway vehicle, and rail transport system
CN109229113A (en) * 2018-09-11 2019-01-18 中国矿业大学 A kind of linear motor track drive-type underground magnetic suspension train
CN109229113B (en) * 2018-09-11 2020-05-19 中国矿业大学 Linear motor rail-driven underground magnetic suspension train
CN109094586A (en) * 2018-09-12 2018-12-28 大连铁丰轨道交通装备有限责任公司 Magnetic suspension train draws maintenance engineering vehicle
CN111536196A (en) * 2020-05-21 2020-08-14 中国航天科工飞航技术研究院(中国航天海鹰机电技术研究院) Landing buffering vibration damper and high-speed magnetic suspension equipment

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