CN201058609Y - Bogie for subway vehicle - Google Patents
Bogie for subway vehicle Download PDFInfo
- Publication number
- CN201058609Y CN201058609Y CNU2007200722747U CN200720072274U CN201058609Y CN 201058609 Y CN201058609 Y CN 201058609Y CN U2007200722747 U CNU2007200722747 U CN U2007200722747U CN 200720072274 U CN200720072274 U CN 200720072274U CN 201058609 Y CN201058609 Y CN 201058609Y
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- bogie
- wheel
- seat
- beams
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- 239000000725 suspension Substances 0.000 claims abstract description 19
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims description 18
- 230000009467 reduction Effects 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 238000013016 damping Methods 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 abstract 3
- 238000005452 bending Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229920001967 Metal rubber Polymers 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 206010039740 Screaming Diseases 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a bogy used in metro vehicle, which comprises a frame, a suspension device, a wheel pair, a shaft box, and two suspension devices, wherein an S-shaped plate on a first bending plate is also arranged between the upper end of the motor suspension seat and a horizontal beam; one end of a first inclined reinforcement plate between the lower end of the motor suspension seat and the horizontal beam is connected into the inner side of the horizontal beam; a joint plate is arranged between the upper end of a gear box suspension seat and a vertical beam; a noise-eliminating damper is respectively arranged on two opposite inner sides of wheels; convex reinforcement ribs are arranged at two opposite sides of the arc face of the shaft box, the reinforcement rib is tangentially connected to the outer peripheral face of a bearing placement cylinder in the form of arc radius (R=00-120mm).
Description
Technical Field
The utility model relates to a bogie of rail vehicle, concretely relates to a bogie for subway car.
Background
The bogie is a direct receptor of train traction force, braking force, vehicle load and external rail force and is of great importance to the running quality of the vehicle and the safety of passenger transportation. The bogie comprises a framework, a primary suspension device, a wheel pair, an axle box, a secondary suspension device, a traction device, a basic braking device, a tooth type coupling, a traction motor, a gear reduction box and the like, wherein the framework is a key part for directly or indirectly bearing other parts, so that the integral strength and the structural design of the framework are of great importance. The structure of the existing framework belongs to an H-shaped framework, and comprises a box-shaped side beam and a cross beam which are of a steel plate welding structure, wherein the cross beam comprises a motor hanging seat part, a gear box hanging seat part and a traction pull rod seat part. The design defects of the framework are as follows: 1. the upper part of the motor hanging seat is connected with the main body of the cross beam by only one bent plate, and the rib plate at the lower part is not connected with the main body of the cross beam. 2. The connection of the gearbox hanging seat and the beam main body is not supported by a transition plate. Due to the defects of the structure of the parts, a large number of cracks appear at the parts in actual operation, and the driving safety is seriously endangered. The wheel set is formed by pressing and integrating an axle and two wheels and is a key part for bearing the whole bogie to move along a track. When the wheel rail is contacted, the wheel rail is relatively displaced due to geometric defects on the wheel and the steel rail, and then noise is generated, so that new urban noise pollution is brought. The axle box is an important part for ensuring the safe running of the vehicle, and has the functions of connecting the wheel pair and the frame together, converting the rolling of the wheel pair along the steel rail into the translation of the vehicle along the line, bearing the weight of the vehicle, transmitting all acting forces, ensuring good lubricating performance and preventing the axle from being heated during high-speed running. The structural load-bearing capacity of the axle housing has a significant impact on the service life of the bearing. The axle box of the prior art has a crack phenomenon during operation due to the structural defect. Therefore, the axle box is urgently needed to be optimally designed so that the static strength and the fatigue strength of the axle box can meet the operation requirements.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art and providing a bogie for a subway car, which can prevent cracks from generating in operation and reduce noise.
The technical scheme for realizing the purpose is as follows: comprises a framework, a primary suspension device, wheel pairs, axle boxes and a secondary suspension device, wherein,
the frame comprises two side beams, two cross beams which are parallelly arranged between the two side beams in a spanning mode and are composed of an upper cover plate, a lower cover plate and a vertical plate, and two longitudinal beams which are parallelly arranged between the two cross beams in a spanning mode, wherein the outer sides of the cross beams are connected with a pair of motor hanging seats and a pair of gear box hanging seats in a central oblique symmetry mode, the lower parts of the cross beams are connected with a pair of traction pull rod seats in a central oblique symmetry mode, and the cross beams are respectively connected with the upper end and the lower end of the motor hanging seats through a first bent plate and a first oblique rib plate and are respectively connected with the upper end and the lower end of the gear box hanging seats through;
the wheel pair comprises an axle and two wheels which are oppositely arranged at two ends of the axle;
the axle box comprises an integrally cast bearing accommodating barrel for accommodating a bearing and a pair of cantilever type mounting seats which are arranged in the middle of the front side and below the rear side of the outer peripheral surface of the bearing accommodating barrel by taking the vertical central plane of the bearing accommodating barrel as an interface, wherein one end of each mounting seat is in transition connection with the bearing accommodating barrel by an arc surface, and the other end of each mounting seat is a straight perforated mounting part as a free end; wherein,
an S-shaped plate positioned above the first bent plate is also arranged between the upper end of the motor hanging seat and the cross beam;
one end of a first inclined rib plate between the lower end of the motor hanging seat and the cross beam is connected to the inner side of the cross beam;
a bridge plate is arranged between the upper end of the gearbox hanging seat and the longitudinal beam;
noise reduction dampers are arranged on two inner side surfaces of the wheel;
and protruding reinforcing ribs are arranged on two opposite sides of the arc surface of the axle box, and the reinforcing ribs are tangentially connected to the outer peripheral surface of the bearing mounting cylinder in a mode that the arc radius R is 100-120 mm.
In the bogie for the subway car, rib plates for supporting the S-shaped plate are further respectively arranged between the two ends of the S-shaped plate and the two ends of the first bent plate.
In the bogie for the subway train, the bridge plate is a horizontal plate.
In the bogie for the subway car, a plurality of reinforcing plates for supporting the bridge plate are further arranged between the bridge plate and the cross beam and between the bridge plate and the second bent plate.
The bogie of the subway vehicle is characterized in that the outer side of the traction pull rod seat is an elongated shape connected to the outer side of the crossbeam.
According to the bogie of the subway train, the upper cover plate and the lower cover plate of the cross beam are thickened by 45% -55%, and the vertical plate of the cross beam is thickened by 20% -30%.
The bogie for a railcar described above, wherein the noise reduction damper is mounted at the rim between the inner rim and the hub of the wheel.
The wheel set used on the metro bogie is characterized in that the noise reduction damper is formed by overlapping a plurality of layers of metal plates and damping films, the plate connected with the wheel rim is an installation metal plate, other metal plates are tuning mass metal plates, the interlayer between the metal plates is the damping films, and the plurality of layers of metal plates and the damping films are riveted together by stainless steel rivets.
The bogie for the subway train is characterized in that the thickness of the reinforcing rib is 16-18 mm.
The bogie for a railcar described above, wherein the reinforcing bead extends to the flat mounting portion of the mounting seat and is open at the free end portion.
The utility model discloses a bogie for subway car's beneficial effect is:
1. the frame beam of the bogie is reinforced on the motor hanging seat and the gear box hanging seat, so that cracks are prevented from being generated in the operation process.
2. The primary suspension device adopts a conical metal rubber spring, so that the axle box can realize elastic positioning without clearance and abrasion in the longitudinal direction, the transverse direction and the vertical direction, and bear loads in three directions, and the primary suspension device has a simple structure and is convenient to maintain.
3. The inner side surface of the wheel is additionally provided with a wheel noise reduction damper. When the vehicle passes through a curve, the wheel noise reduction damper can eliminate high-frequency screaming sound generated by sideslip, extrusion and friction between wheel rails.
4. The axle box bearing adopts self-sealing double-row cylindrical roller bearing, can prolong the maintenance cycle of bearing.
5. The structure of the axle box body is optimized, the static strength and the fatigue strength of the axle box body are improved, and cracks are prevented from being generated in application.
6. The secondary suspension adopts an air spring, and can be beneficial to improving the stability and the reliability of the vehicle operation.
Drawings
Figure 1 is a front view of a bogie for a railcar according to the present invention;
fig. 2 is a top view of the bogie for a railcar of the present invention;
fig. 3 is a plan view of the frame for the bogie of the subway car of the present invention;
fig. 4 is a partial sectional view of the frame for a bogie of a subway car according to the present invention;
fig. 5 is a schematic structural diagram of a wheel set used on a bogie of a subway car according to the present invention;
FIG. 6 is a view from the direction A of FIG. 5;
FIG. 7 is an enlarged view of B in FIG. 5;
fig. 8 is a three-dimensional view of the axle box of the present invention for use on a railcar truck;
FIG. 9 is a front elevational view of the axle housing for a railcar truck according to the present invention;
fig. 10 is a plan view showing the structure of an axle box used for a railcar truck according to the present invention.
Detailed Description
Referring to fig. 1 and 2, the bogie for subway train of the present invention comprises a frame 1, a primary suspension device 2, an axle box 3, a secondary suspension device 4, a wheel set 5, a traction device 6, a foundation brake device 7, a gear coupling 8, a traction motor 9 and a gear reduction box 10, wherein,
the frame 1 comprises two side beams 11, two cross beams 12 and two longitudinal beams 13, wherein the two side beams 11 are arranged on the outer side of the whole bogie in parallel.
The cross members 12 are composed of upper and lower cover plates 121 and 122 and a vertical plate 123, which are disposed in parallel across the side members 11.
The two longitudinal beams 13 are arranged between the two cross beams 12 in parallel and are parallel to the two side beams 11.
A pair of motor mount 14 and a pair of gear box mount 15 are connected to the outer side of the cross member 12 in a center-to-center skew manner, and a pair of tie rod mount 16 is connected to the lower portion of the cross member 12 in a center-to-center skew manner. The beam 12 is connected to the upper and lower ends of the motor hanger 14 through the first bent plate 241 and the first rib plate 242, and an S-shaped plate 243 located above the first bent plate 241 is further disposed between the upper end of the motor hanger 14 and the beam 12. Ribs 244 for supporting the S-shaped plate 243 are further provided between both ends of the S-shaped plate 243 and both ends of the first bent plate 241, respectively. One end of the first inclined rib plate 242 is connected to the inner side of the cross beam 12 from the lower end of the motor hanger and is formed in a closed shape to increase the section height and the section moment of inertia. The thicknesses of the cross beam 12 and the side beam 11 are correspondingly strengthened, namely the thicknesses of the upper cover plate 121 and the lower cover plate 122 of the cross beam are changed from 8mm to 12mm, the thickness of the vertical plate 123 of the cross beam is changed from 8mm to 10mm, and the thickness of the lower cover plate of the side beam 11 is changed from 12mm to 16 mm. Thereby preventing the occurrence of cracks during operation.
The beam 12 is also connected with the upper end and the lower end of the gearbox hanging seat 15 through a second bent plate 251 and a second inclined rib plate 252 respectively, a horizontal bridging plate 351 is arranged between the upper end of the gearbox hanging seat 15 and the longitudinal beam 13, and a plurality of reinforcing plates 352 used for supporting the bridging plate 351 are arranged between the bridging plate 351 and the beam upper cover plate 121 as well as between the bridging plate 351 and the second bent plate 251 so as to increase the section height and section moment of inertia of the gearbox hanging seat 15 and reduce the stress value, so that the alternating vertical load born by the gearbox hanging seat 15 is increased from 22.4kN to 38 kN.
The outer plate 261 of the draft link housing 16 is attached to an extension of the outer side of the transom 12. Thereby increasing the strength of the seat 16.
Referring to fig. 5, 6 and 7, the wheel set 5 includes an axle 51 and two wheels 52 mounted at two opposite ends of the axle 51, wherein the two opposite inner sides of the wheels 52 are provided with noise reduction dampers 53, and the noise reduction dampers 53 are mounted on a rim 523 between an inner rim 521 and a hub 522 of the wheels 52.
The noise reduction damper 53 is formed by overlapping multiple layers of metal plates and damping films, the plate 530 connected with the wheel rim 523 is a mounting metal plate, the other metal plates 531 are tuning mass metal plates, the interlayer between the metal plates is the damping films 532, and the multiple layers of metal plates and the damping films are riveted together by stainless steel rivets.
When the wheel receives excitation such as collision, extrusion, friction in service, will be radial, transversely produce the vibration of each mode to outside radiation noise, the position that vibration amplitude is the biggest on the wheel is on the rim, in order to obtain best noise reduction effect, will guarantee the operation security again simultaneously, the utility model discloses an installation mode is to fall 8 and fall the attenuator symmetries of making an uproar and install evenly on the rim of the double-phase inside face of wheel, and every falls the attenuator of making an uproar and is connected with the rim 523 of wheel with three screw 54.
The noise reduction damper is additionally arranged on the wheel, so that high-frequency noise generated between wheel rails when a vehicle passes through a curve is effectively reduced.
Referring to fig. 8, 9 and 10, the axle housing 3 includes a bearing housing cylinder 31 and a pair of cantilever-type mounting seats 32, the pair of mounting seats 32 are disposed at the front middle portion and the rear lower portion of the outer circumferential surface 310 of the bearing housing cylinder 31 with the vertical center plane C-C of the bearing housing cylinder 31 as an interface, one end of the mounting seat 32 is in transition connection with the bearing housing cylinder 31 via an arc surface 312, the other end is a free end and is a straight installation portion 320 with holes, wherein, two opposite sides of the arc surface 312 are provided with protruding reinforcing ribs 120, and the reinforcing ribs 120 are tangentially connected to the outer circumferential surface 310 of the bearing housing cylinder 31 in a form of an arc radius R of 100-120 mm. The thickness H of the reinforcing ribs 120 is 16-18 mm.
The reinforcing bar 120 extends to the flat mounting portion 20 of the mounting socket 2 and is open at its free end with an opening angle alpha of 60 deg..
After the axle box is optimally designed, the strength analysis is carried out on the axle box according to EN13104 standard, the static strength and the fatigue strength of the axle box are proved to be improved, no crack phenomenon occurs after the fatigue test is carried out on the axle box, and the stress of the maximum stress section D-D of the axle box is reduced to 81.7MPa from the original 106MPa after the stress test is carried out on the axle box.
In addition, the bearing of the axle box 3 adopts a self-sealing double-row cylindrical roller bearing, so that the maintenance period of the bearing can be prolonged.
The primary suspension device 2 adopts a conical metal rubber spring, so that the axle box 3 can realize elastic positioning without gaps and abrasion in the longitudinal direction, the transverse direction and the vertical direction, and bear loads in three directions, and the primary suspension device is simple in structure and convenient to maintain.
The secondary suspension device 4 adopts an air spring, which is beneficial to improving the stability and the reliability of the vehicle operation.
The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.
Claims (10)
1. A bogie for a subway train comprises a frame, a primary suspension device, a wheel set, an axle box and a secondary suspension device, wherein,
the frame comprises two side beams, two cross beams which are parallelly arranged between the two side beams in a spanning mode and are composed of an upper cover plate, a lower cover plate and a vertical plate, and two longitudinal beams which are parallelly arranged between the two cross beams in a spanning mode, wherein the outer sides of the cross beams are connected with a pair of motor hanging seats and a pair of gear box hanging seats in a central oblique symmetry mode, the lower parts of the cross beams are connected with a pair of traction pull rod seats in a central oblique symmetry mode, and the cross beams are respectively connected with the upper end and the lower end of the motor hanging seats through a first bent plate and a first oblique rib plate and are respectively connected with the upper end and the lower end of the gear box hanging seats through;
the wheel pair comprises an axle and two wheels which are oppositely arranged at two ends of the axle;
the axle box comprises an integrally cast bearing accommodating barrel for accommodating a bearing and a pair of cantilever type mounting seats which are arranged in the middle of the front side and below the rear side of the outer peripheral surface of the bearing accommodating barrel by taking the vertical central plane of the bearing accommodating barrel as an interface, wherein one end of each mounting seat is in transition connection with the bearing accommodating barrel by an arc surface, and the other end of each mounting seat is a straight perforated mounting part as a free end; it is characterized in that the preparation method is characterized in that,
an S-shaped plate positioned above the first bent plate is also arranged between the upper end of the motor hanging seat and the cross beam;
one end of a first inclined rib plate between the lower end of the motor hanging seat and the cross beam is connected to the inner side of the cross beam;
a bridge plate is arranged between the upper end of the gearbox hanging seat and the longitudinal beam;
noise reduction dampers are arranged on two inner side surfaces of the wheel;
and protruding reinforcing ribs are arranged on two opposite sides of the arc surface of the axle box, and the reinforcing ribs are tangentially connected to the outer peripheral surface of the bearing mounting cylinder in a mode that the arc radius R is 100-120 mm.
2. The bogie of the subway car as claimed in claim 1, wherein ribbed plates for supporting the S-shaped plate are further respectively provided between both ends of the S-shaped plate and both ends of the first bent plate.
3. The bogie of claim 1, wherein the bridge deck is a horizontal plate.
4. A bogie as claimed in claim 3, wherein a plurality of reinforcing plates are provided between the bridging plate and the cross beam and between the bridging plate and the second bent plate for supporting the bridging plate.
5. The bogie for subway cars as claimed in claim 1, wherein said outside of said drawbar seat is elongated connected to the outside of the beam.
6. The bogie of the subway car as claimed in claim 1, wherein the upper and lower cover plates of the cross beam are thickened by 45% -55%, and the vertical plate of the cross beam is thickened by 20% -30%.
7. The bogie for a subway vehicle according to claim 1, wherein said noise reduction dampers are installed at a rim between an inner rim and a hub of a wheel.
8. The wheel set for a metro vehicle bogie as claimed in claim 1, wherein the noise reduction damper is formed by stacking a plurality of layers of metal plates and damping rubber sheets, the plate connected to the wheel rim is a mounting metal plate, the other metal plates are tuning mass metal plates, the interlayer between the metal plates is the damping rubber sheet, and the plurality of layers of metal plates and the damping rubber sheets are riveted together by stainless steel rivets.
9. The bogie for the subway car according to claim 1, wherein the thickness of said reinforcing bar is 16 to 18 mm.
10. The bogie according to claim 1, wherein the reinforcing bars extend to the flat mounting portion of the mounting seat and are open at the free end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200722747U CN201058609Y (en) | 2007-07-06 | 2007-07-06 | Bogie for subway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200722747U CN201058609Y (en) | 2007-07-06 | 2007-07-06 | Bogie for subway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201058609Y true CN201058609Y (en) | 2008-05-14 |
Family
ID=39407066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200722747U Expired - Fee Related CN201058609Y (en) | 2007-07-06 | 2007-07-06 | Bogie for subway vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN201058609Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102490747A (en) * | 2012-01-05 | 2012-06-13 | 南车株洲电力机车有限公司 | Light rail vehicle and power bogie thereof |
| CN102765402A (en) * | 2012-07-04 | 2012-11-07 | 唐山轨道客车有限责任公司 | Metro bogie |
| CN104108397A (en) * | 2014-04-02 | 2014-10-22 | 杭州俊士铁路设备有限公司 | Rail-bound electric scenic train driving system |
| CN108082197A (en) * | 2017-12-19 | 2018-05-29 | 中车株洲电力机车有限公司 | A kind of traction electric machine arrangement and suspended structure |
| WO2021017125A1 (en) * | 2019-07-31 | 2021-02-04 | 中车戚墅堰机车有限公司 | Locomotive four-axle bogie |
-
2007
- 2007-07-06 CN CNU2007200722747U patent/CN201058609Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102490747A (en) * | 2012-01-05 | 2012-06-13 | 南车株洲电力机车有限公司 | Light rail vehicle and power bogie thereof |
| CN102490747B (en) * | 2012-01-05 | 2015-05-20 | 南车株洲电力机车有限公司 | Light rail vehicle and power bogie thereof |
| CN102765402A (en) * | 2012-07-04 | 2012-11-07 | 唐山轨道客车有限责任公司 | Metro bogie |
| CN104108397A (en) * | 2014-04-02 | 2014-10-22 | 杭州俊士铁路设备有限公司 | Rail-bound electric scenic train driving system |
| CN104108397B (en) * | 2014-04-02 | 2016-05-25 | 杭州俊士铁路设备有限公司 | The electronic tourist train drive system of rail |
| CN108082197A (en) * | 2017-12-19 | 2018-05-29 | 中车株洲电力机车有限公司 | A kind of traction electric machine arrangement and suspended structure |
| CN108082197B (en) * | 2017-12-19 | 2019-07-09 | 中车株洲电力机车有限公司 | A kind of traction electric machine arrangement and suspended structure |
| WO2021017125A1 (en) * | 2019-07-31 | 2021-02-04 | 中车戚墅堰机车有限公司 | Locomotive four-axle bogie |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080514 Termination date: 20130706 |