CN102963387B - Direct-driving type bogie structure - Google Patents

Direct-driving type bogie structure Download PDF

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Publication number
CN102963387B
CN102963387B CN201210238323.5A CN201210238323A CN102963387B CN 102963387 B CN102963387 B CN 102963387B CN 201210238323 A CN201210238323 A CN 201210238323A CN 102963387 B CN102963387 B CN 102963387B
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China
Prior art keywords
magneto
pull bar
electric machine
wheel
rebound
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CN201210238323.5A
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Chinese (zh)
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CN102963387A (en
Inventor
楚永萍
唐永明
冯遵委
胡定祥
周睿
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南车南京浦镇车辆有限公司
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Publication of CN102963387A publication Critical patent/CN102963387A/en
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Publication of CN102963387B publication Critical patent/CN102963387B/en

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Abstract

The invention relates to a direct-driving type bogie structure. A permanent magnetic motor is elastically suspended by an elastic driving device, so that torque can be transferred, the transmission efficiency is improved, the weight of a driving mechanism is reduced; and traction force and braking force are directly transmitted to a vehicle body and are not transmitted through a bogie frame, so that the stressing condition of the a bogie frame is optimized, the length of a traction pull rod is not limited by the bogie frame structure, the traction pull rod can be longer, diallel additional rigidity caused by the traction pull rod is reduced, and the taking comfort of a vehicle is improved. The motor is suspended between wheel pairs, so that the axle distance is reduced, the bogie can pass a shorter curve, has higher critical speed, and has good submissiveness to unevenness of a road.

Description

A kind of direct-drive type bogie structure

Technical field

The present invention relates to a kind of direct-drive type bogie truck, belong to rail vehicle truck technical field.

Background technology

Traditional bogie truck generally adopts H type framework, rigid beam, dependence one is the track torsion irregularity that vertical flexible suspension overcomes circuit, rigid frame wheel to when driving to transition curve, due to the superelevation of curve track, comparatively high pulling torque effect is born in local, and the speed of a motor vehicle higher time, framework and is that the junction between vertical flexible suspension also can be subject to greater impact power; In the structure design of conventional bogie, motor is installed architecturally, need to arrange the mechanisms such as the shaft coupling of complexity and gear case to allow dynamic disturbances between motor and wheel pair and pass on moment, this bogie structure is complicated, production efficiency is low, and the wheel of this bogie truck is comparatively large to wheelbase, weight large, makes the little curving performance of bogie truck, energy saving, remarkable lifting is difficult to the performance figure such as compliance of guideway irregularity.

Find through retrieval, Chinese invention patent CN101565049 B, it discloses a kind of steering frame of hinged frame linear electric motor, two T-shaped frameworks respectively by rubber nodal point and center crossbeam hinged; Center crossbeam sidepiece is connected with the traction crossbeam on top by longitudinal tie, traction crossbeam connects the first curb girder, the second curb girder respectively by oil-pressure damper, center crossbeam is connected with linear electric motors by drawing pull bar, and this design can improve bogie truck transmitting tractive power and improve the draw of linear electric motors.

When wheel is to when driving to transition curve, two hinge-points can bear larger moment of torsion and distortion in appropriate amount, thus play a protective role to framework.Visual contrast file realizes the flexibility of bogie truck by the rubber nodal point of hinged place, need to design different rubber nodal points according to the bogie truck of different automobile types, this structure uses rubber nodal point to realize reversing, the parameter discrete properties of rubber nodal point is larger, along with variation of ambient temperature, the performance perameter of rubber nodal point often differs comparatively large, the easy season cracking of rubber simultaneously with design value, reliability is poor, and service life is relatively short.And motor is still installed on bogie truck, takes turns wheelbase large, fail to significantly improve bogie truck properties.

Summary of the invention

Technical matters to be solved by this invention is, overcomes the above-mentioned deficiency of prior art, provides a kind of direct-drive type bogie truck.

In order to solve above technical matters, direct-drive type bogie truck provided by the invention, composition comprises: truck frame, lay respectively on front side of truck frame and rear side two magneto-electric machines, be arranged at the air bellow above truck frame, be arranged at the front and back wheel pair below truck frame, described truck frame has left frame, left side frame, it is characterized in that: the described central through hole of taking turns right axletree and being provided with through magneto-electric machine, the output shaft at magneto-electric machine two ends is fixed respectively by two wheels that elastic transmission device is right with wheel, make magneto-electric machine hang on wheel between, connected by longitudinal rod between the shell of two magneto-electric machines, above described air bellow across be provided with one piece of rebound for being fixedly connected with car body, the middle position of rebound lower surface is provided with a drawing pull bar seat, drawing pull bar seat is provided with traction body, the two ends, left and right of described traction body are respectively provided with a drawing pull bar, wherein a drawing pull bar is connected with the magneto-electric machine shell of front side, another root drawing pull bar is connected with the magneto-electric machine shell of rear side.

The present invention further improves and is:

(1), described elastic transmission device comprises the flange that two ends connect magneto-electric machine output shaft and wheel respectively, the inner of described flange has the axle sleeve coordinated with magneto-electric machine output shaft, the inner end surface of wheel is fixed on by attaching parts in flange outer end, and described attaching parts has the bolt of rubber arthrosis to be fixedly connected with between wheel by overlapping.

(2), the first end of described attaching parts and wheel offer circular hole, the circular hole that wheel is offered is around the distribution of axletree periphery, cover is had the stud of rubber arthrosis through the circular hole of wheel and the circular hole of attaching parts first end and wheel and attaching parts is fixed by nut, second end of described attaching parts arranges pin, the circular hole that described pin is offered through flange outer end, makes flange hang on described pin.Rubber arthrosis self possesses appropriate elastic deformation, the pin of attaching parts second end coordinates with flange outer end circular hole simultaneously, realize a small amount of rotation, the displacement providing vehicle vertical and longitudinal and vibration damping, the axial elastic deformation of rubber arthrosis and deflection distortion and attaching parts integrally provide displacement and the vibration damping of axial direction.

(3), described magneto-electric machine shell is provided with the first mount pad for installing longitudinal rod, for installing the second mount pad of drawing pull bar, described longitudinal rod two ends are hinged with the first mount pad of front side and rear side magneto-electric machine shell respectively, one end of described drawing pull bar and the second mount pad of magneto-electric machine shell hinged, the other end and traction body hinged, described traction body and drawing pull bar seat hinged, two drawing pull bar and traction body form Z-type drawing pull bar mechanism, described Z-type drawing pull bar mechanism is positioned at the top of flexible crossbeam, longitudinal tie is positioned at the below of flexible crossbeam.The setting of longitudinal rod is to prevent magneto-electric machine from overturning, longitudinal rod and the first mount pad hinged, enable the swing of magneto-electric machine in scope by a small margin; Longitudinal rod and drawing pull bar lay respectively at the both sides up and down of flexible crossbeam, ensure that it does not interfere mutually while normally running; Adopt the drawing pull bar mechanism of Z-type that the tractive force of two magneto-electric machines is loaded more uniformly to car body (rebound).

(4), direct-drive type bogie truck of the present invention also has the stop gear for limiting rebound transverse shifting amplitude, described stop gear comprises the symmetrical elastic buffer rubber backstop mount pad being fixed on rebound lower surface, the symmetrical horizontal stop seat be fixed in the middle part of left and right side frame, described elastic buffer rubber backstop mount pad is provided with elastic buffer rubber backstop, when rebound moves laterally to end position, the elastic buffer rubber backstop of rebound offset direction side withstands the horizontal stop seat of corresponding side, rebound is obtained spacing.

(5), direct-drive type bogie truck of the present invention also has the L-type anti-side rolling torsion rod, two that two ends connect side frame and rebound be respectively vertical damper, two is lateral damper.

In the present invention, elastic transmission device makes magneto-electric machine obtain resilient suspension, and energy carry-over moment, improves driving efficiency, alleviate transmission device weight simultaneously; Traction body under drawing pull bar two ends connect magneto-electric machine shell respectively and are installed on rebound, the transmission of longitudinal traction and braking force is provided, tractive force and braking force is made to be directly passed to car body (being positioned on rebound of rigidity of vehicle body), and do not transmitted by truck frame, optimize the stressing conditions of truck frame, make the length of drawing pull bar not limit by framework structure simultaneously, thus drawing pull bar can be done longer, reduce that drawing pull bar brings two is additional stiffness, improves the travelling comfort of vehicle.

Visible, magneto-electric machine elasticity is installed on wheel to upper by the present invention, thus reduces wheelbase significantly, improve driving efficiency, be then optimal design, make bogie truck both by less curve, there is again higher critical speed, simultaneously well compliance to having of guideway irregularity.

Accompanying drawing explanation

Fig. 1 is the plan structure schematic diagram of direct-drive type bogie truck of the present invention.

Fig. 2 is the main TV structure schematic diagram of direct-drive type bogie truck of the present invention.

Fig. 3 is the right TV structure schematic diagram of direct-drive type bogie truck of the present invention.

Fig. 4 be direct-drive type bogie truck of the present invention look up structural representation.

Fig. 5 is the perspective view of direct-drive type bogie truck of the present invention.

Fig. 6 is the framework structure schematic diagram of direct-drive type bogie truck of the present invention.

Fig. 7 is the framework cross-sectional schematic of direct-drive type bogie truck of the present invention.

Fig. 8 is magneto-electric machine and the elastic transmission device structural representation of direct-drive type bogie truck of the present invention.

Fig. 9 is the flange plate structure schematic diagram of direct-drive type bogie truck Elastic driving device of the present invention.

Figure 10 is the perspective view of direct-drive type bogie truck of the present invention (removing rebound).

Figure 11 is direct-drive type bogie flexible crossbeam end view drawing of the present invention.

Number in the figure is schematically as follows: 1-left frame, 2-wheel, 3-elastic transmission device, 4-magneto-electric machine, 4 '-magneto-electric machine, 5-drawing pull bar, 5 '-drawing pull bar, 6-longitudinal rod, 7-rebound, 8-left side frame, 9-air bellow, 10-rubber pad, 11-axle box, 12-anti-side rolling torsion rod, the flexible crossbeam of 13-, 14-flange, 15-rubber arthrosis, 16-attaching parts, 17-axle sleeve, 18-drawing pull bar seat, 19-traction body, 20-bis-is lateral damper, 21-bis-is vertical damper, the horizontal stop seat of 22-, 23-elastic buffer rubber backstop, 24-first mount pad, 25-second mount pad, 26-axle box swivel arm node installation seat, 27-anti-side rolling torsion rod mount pad, 28-bis-is lateral damper mount pad, 29-elastic buffer rubber backstop mount pad.

Detailed description of the invention

Embodiment one

As shown in Figures 1 to 10, the present embodiment direct-drive type bogie truck, composition comprises: truck frame, lay respectively on front side of truck frame and rear side two magneto-electric machine 4(4 '), be arranged at the air bellow 9 above truck frame, be arranged at the front and back wheel pair below truck frame, truck frame has left frame 1, left side frame 8, take turns right axletree through magneto-electric machine 4(4 ') central through hole that is provided with, magneto-electric machine 4(4 ') output shaft at two ends fixes respectively by two wheels 2 that elastic transmission device 3 and wheel are right, make magneto-electric machine 4(4 ') hang on wheel between, two magneto-electric machine 4(4 ') shell between connected by longitudinal rod 6, above air bellow 9 across be provided with one piece of rebound 7 for being fixedly connected with car body, the middle position of rebound 7 lower surface is provided with a drawing pull bar seat 18, drawing pull bar seat 18 is provided with traction body 19, the two ends, left and right of traction body 19 are respectively provided with a drawing pull bar 5(5 '), wherein a drawing pull bar 5 is connected with magneto-electric machine 4 shell of front side, another root drawing pull bar 5 ' is connected with the magneto-electric machine 4 ' shell of rear side.Elastic transmission device 3 comprises two ends and connects magneto-electric machine 4(4 ' respectively) flange 14 of output shaft and wheel 2, the inner of flange 14 has and magneto-electric machine 4(4 ') axle sleeve 17 that coordinates of output shaft, the inner end surface of wheel 2 is fixed in flange 14 outer end by attaching parts 16, have the bolt of rubber arthrosis 15 to be fixedly connected with between attaching parts 16 with wheel 2 by overlapping.First end and the wheel 2 of attaching parts 16 offer circular hole, the circular hole that wheel 2 is offered is around the distribution of axletree periphery, cover is had the stud of rubber arthrosis 15 through the circular hole of wheel 2 and the circular hole of attaching parts 16 first end and wheel 2 and attaching parts 16 is fixed by nut, second end of attaching parts 16 arranges pin, the circular hole that pin is offered through flange 14 outer end, makes flange hang on described pin.In this example, be connected to one by the flexible crossbeam 13 be made up of four steel plates with the middle part of left side frame 8 in the middle part of left frame 1, between four steel plates, leave gap.

In the present embodiment, magneto-electric machine 4(4 ') shell is provided with the first mount pad 24 for installing longitudinal rod 6, for installing drawing pull bar 5(5 ') the second mount pad 25, longitudinal rod 6 two ends are respectively with front, rear side magneto-electric machine 4(4 ') the first mount pad 24 of shell is hinged, drawing pull bar 5(5 ') one end and magneto-electric machine 4(4 ') the second mount pad 25 of shell is hinged, the other end and traction body 19 hinged, traction body 19 is hinged with drawing pull bar seat 18, two drawing pull bar 5(5 ') form Z-type drawing pull bar mechanism with traction body 19, Z-type drawing pull bar mechanism is positioned at the top of flexible crossbeam, longitudinal tie is positioned at the below of flexible crossbeam.

As Fig. 3, Fig. 6, shown in Fig. 7, direct-drive type bogie truck of the present invention also has the stop gear for limiting rebound 7 transverse shifting amplitude, this stop gear comprises the symmetrical elastic buffer rubber backstop mount pad 29 being fixed on rebound 7 lower surface, symmetrical is fixed on left frame 1, horizontal stop seat 22 in the middle part of left side frame 8, elastic buffer rubber backstop mount pad 29 is provided with elastic buffer rubber backstop 23, when rebound 7 moves laterally to end position, the elastic buffer rubber backstop 23 of rebound 7 offset direction side withstands the horizontal stop seat 22 of corresponding side, rebound 7 is obtained spacing.

Owing to adopting flexibility framework, the single stage suspension of the present embodiment simplifies, concrete structure is as follows: it is bumper block that left frame 1, left side frame 8 are separately installed with one, one is be provided with the rubber pad 10 as single stage suspension between bumper block and axle box 11, this rubber pad 10 is individual layer rubber pad, thickness is between 30 ~ 100mm, and in this example, the thickness of rubber pad 10 is 40mm.

In addition, the direct-drive type bogie truck of the present embodiment also has the L-type anti-side rolling torsion rod 12, two that two ends connect side frame and rebound 7 be respectively vertical damper 21, two is lateral damper 20.

As shown in figure 11, from the end face of flexible crossbeam, four steel plates distribute radially, and its in a lateral direction, symmetrical in vertical direction.

The anti-shearing rigidity of framework is relevant with the snakelike stability of vehicle, left and right side frame torsional stiffness is relevant by the compliance track distortion of circuit to vehicle, during design, different vehicle can according to the needs to two kinds of performances, change quadrinomial parameter as shown in figure 11: steel plate inner side edge is extremely anyhow to the distance d of symmetric line intersection point, the thickness Z of steel plate, angle α between the width L of steel plate, steel plate, and the length of steel plate.Adjust torsional stiffness and shear stiffness meets disparity items needs.Flexible crossbeam after adjustment can carry out analogue simulation in a computer, sees and whether meets designing requirement, if do not met, continue adjustment, concrete method of adjustment the application is not described in detail.

In this example, d=30mm, L=135mm; Z=30mm, steel plate length is 1845mm, angle α=40 degree between steel plate, wheel-base bogie 1800mm, steel plate material P275, resolves and obtains framework torsional stiffness 0.226 MN.m/rad, shear rigidity 62.9 MN.m/rad, less torsional stiffness can adapt to worse circuit, and larger shear rigidity can ensure the snakelike stability of vehicle.

Embodiment two

The present embodiment two structure is identical with embodiment one, and difference is that flexible crossbeam parameter is different, in this example, and d=38mm, L=120mm; Z=25mm, steel plate length is 1100mm, angle α=66 degree between steel plate, wheel-base bogie is 1800mm, steel plate material P275, resolves and obtains framework torsional stiffness 0.315 MN.m/rad, shear rigidity 102.98 MN.m/rad, less torsional stiffness can adapt to worse circuit, and larger shear rigidity can ensure the snakelike stability that vehicle is higher.

In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.

Claims (6)

1. a direct-drive type bogie truck, composition comprises: truck frame, lay respectively on front side of truck frame and rear side two magneto-electric machines, be arranged at the air bellow above truck frame, be arranged at the front and back wheel pair below truck frame, described truck frame has left frame, left side frame, it is characterized in that: the described central through hole of taking turns right axletree and being provided with through magneto-electric machine, the output shaft at magneto-electric machine two ends is fixed respectively by two wheels that elastic transmission device is right with wheel, make magneto-electric machine hang on wheel between, connected by longitudinal rod between the shell of two magneto-electric machines, above described air bellow across be provided with one piece of rebound for being fixedly connected with car body, the middle position of rebound lower surface is provided with a drawing pull bar seat, drawing pull bar seat is provided with traction body, the two ends, left and right of described traction body are respectively provided with a drawing pull bar, wherein a drawing pull bar is connected with the magneto-electric machine shell of front side, another root drawing pull bar is connected with the magneto-electric machine shell of rear side.
2. direct-drive type bogie truck according to claim 1, it is characterized in that: described elastic transmission device comprises the flange that two ends connect magneto-electric machine output shaft and wheel respectively, the inner of described flange has the axle sleeve coordinated with magneto-electric machine output shaft, the inner end surface of wheel is fixed on by attaching parts in flange outer end, and described attaching parts has the bolt of rubber arthrosis to be fixedly connected with between wheel by overlapping.
3. direct-drive type bogie truck according to claim 2, it is characterized in that: first end and the wheel of described attaching parts offer circular hole, the circular hole that wheel is offered is around the distribution of axletree periphery, cover is had the stud of rubber arthrosis through the circular hole of wheel and the circular hole of attaching parts first end and wheel and attaching parts is fixed by nut, second end of described attaching parts arranges pin, the circular hole that described pin is offered through flange outer end, makes flange hang on described pin.
4. direct-drive type bogie truck according to claim 3, it is characterized in that: described magneto-electric machine shell is provided with the first mount pad for installing longitudinal rod, for installing the second mount pad of drawing pull bar, described longitudinal rod two ends are hinged with the first mount pad of front side and rear side magneto-electric machine shell respectively, one end of described drawing pull bar and the second mount pad of magneto-electric machine shell hinged, the other end and traction body hinged, described traction body and drawing pull bar seat hinged, two drawing pull bar and traction body form Z-type drawing pull bar mechanism, described Z-type drawing pull bar mechanism is positioned at the top of flexible crossbeam, longitudinal rod is positioned at the below of flexible crossbeam.
5. direct-drive type bogie truck according to claim 4, it is characterized in that: there is the stop gear for limiting rebound transverse shifting amplitude, described stop gear comprises the symmetrical elastic buffer rubber backstop mount pad being fixed on rebound lower surface, symmetrical is fixed on a left side, horizontal stop seat in the middle part of left side frame, described elastic buffer rubber backstop mount pad is provided with elastic buffer rubber backstop, when rebound moves laterally to end position, the elastic buffer rubber backstop of rebound offset direction side withstands the horizontal stop seat of corresponding side, rebound is obtained spacing.
6. direct-drive type bogie truck according to claim 4, is characterized in that: also to have L-type anti-side rolling torsion rod, two that two ends connect side frame and rebound be respectively vertical damper, two is lateral damper.
CN201210238323.5A 2012-07-10 2012-07-10 Direct-driving type bogie structure CN102963387B (en)

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CN105197021A (en) * 2015-09-22 2015-12-30 南车南京浦镇车辆有限公司 Motor hold shaft installation type permanent-magnetic direct-drive bogie
CN106809229B (en) * 2016-09-21 2017-12-01 比亚迪股份有限公司 Suspension and there is its bogie assembly and rail vehicle
CN106364496B (en) * 2016-09-30 2019-02-26 中车南京浦镇车辆有限公司 One kind seizing installation motor spring suspension device
CN108423018B (en) * 2017-12-20 2019-10-08 北京中冶设备研究设计总院有限公司 A kind of sky rail suspension type tourist coach protective device
CN109178017A (en) * 2018-08-17 2019-01-11 中车南京浦镇车辆有限公司 A kind of small wheelbase compact magneto seizes installing type and directly drives bogie
CN110939663A (en) * 2018-09-25 2020-03-31 中车大同电力机车有限公司 Direct-drive transmission mechanism
CN111196289A (en) * 2018-11-19 2020-05-26 中车唐山机车车辆有限公司 Bogie and rail vehicle
CN110789558A (en) * 2019-11-13 2020-02-14 中车山东机车车辆有限公司 Transition connecting device between vehicle body and bogie

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