CN106740962B

CN106740962B - A kind of 100% low-floor tramcar non-powered bogie frame

Info

Publication number: CN106740962B
Application number: CN201611188817.1A
Authority: CN
Inventors: 程娟娟; 舒斌; 张旭辉; 黄永强; 卢建军
Original assignee: Chengdu Xinzhu Road and Bridge Machinery Co Ltd
Current assignee: Chengdu Xinzhu Road and Bridge Machinery Co Ltd
Priority date: 2016-12-21
Filing date: 2016-12-21
Publication date: 2019-03-05
Anticipated expiration: 2036-12-21
Also published as: CN106740962A

Abstract

The invention discloses a kind of 100% low-floor tramcar non-powered bogie frames to be welded with drawing pull bar mounting base in cross rail outer including one piece of bottom plate and the crossbeam and two curb girders that are welded on bottom plate；Secondary spring seat, brake clip clamp block, magnetic rail brake device guide holder, single stage suspension device mounting seat, transverse direction and vertical damper mounting base are equipped on curb girder；4 groups of axlebox rod seats are equipped in curb girder lower end；4 lateral stopping seats are equipped on two side rail inner webs；Brake clamp draw-bar seat is additionally provided on curb girder.The present invention has the advantages that compact-sized, good appearance, reliable performance, can satisfy the installation interface requirement of 100% low-floor tramcar single stage suspension device, secondary suspension device, drawing pull bar, vertical and lateral backstop, vertical and lateral damper, braking system etc..Being structurally characterized in that for this framework is arranged symmetrically with the central point of framework, can be used with 180 ° of tunings.

Description

A kind of 100% low-floor tramcar non-powered bogie frame

Technical field

The present invention relates to tramcar field, especially a kind of 100% low-floor tramcar non-powered bogie frame.

Background technique

With being constantly progressive for science and technology, the continuous improvement of people's living standard, comfort level of the people to trip There is higher requirement.Reality is that the vehicle of traveling is more and more, and urban road the more is repaired the more close, and road surface the more is opened up the more wide, so And congestion in road phenomenon is still serious, the travel time of city dweller is continuously increased, and city face it is increasingly severe The pollution such as exhaust gas, noise.

The problems such as in order to alleviate urban traffic blocking and pollution, many cities are all to accelerate subway construction as alleviation city The major way of traffic congestion, however subway system there are costs of investment it is big, the construction period is long the problems such as.And the low-floor modern times have Rail electric car be it is a kind of between bus and subway in low capacity the vehicles, there is guidance urban development and alleviation The effect of urban traffic blocking, at the same time as the supplement of large conveying quantity rail traffic, extension, contact and transition and small and medium-sized cities master Dry mode of transportation, the affirmative with its convenience, comfort, aesthetics and the feature of environmental protection by citizen and government.

1. raceway surface is flushed with highway pavement, therefore will not constitute obstacle to other vehicles；

2. low-carbon environment-friendly, to city substantially without exhaust emission, noise is low, and energy consumption is only the 1/10 to 1/5 of bus, make Long with the service life, recoverable rate is high；

3. curve negotiation ability and climbing capacity are strong, track can be in urban district road surfacing, and compared with subway, construction investment is few (accounting for about 1/5), construction speed is fast, though cost is higher than fast public traffic system, freight volume is big and service level can achieve subway or Light rail standard；

4. injection volume and good operational stability, passenger's riding comfort is high, highly-safe；

5. low-floor designs, facilitates mobile in passenger car and quickly get on or off the bus, to the elderly, disabled person, children and weight bearing People's boarding bring great convenience；

Compare 70% low-floor tramcar, 100% low-floor tramcar car is without step, passenger passage side in the car Just, it is the main flow direction of current tramcar development, will has vast market prospect.

The main structure of 100% current low-floor tramcar bogie is substantially two curb girders and two crossbeams are all independent Widget, then they are linked together by weld seam；Brake clip clamp block and its attachment weld between framework are equal Compare more；Since bogie is the more complicated component of stress, it is easier that stress is caused to be concentrated if weld seam is excessive, from And lead to the failure of framework.

The 100% low-floor tramcar non-powered bogie frame is exactly to put forward under the background condition.

Summary of the invention

In order to overcome the disadvantages mentioned above of the prior art, the present invention provides a kind of 100% low-floor tramcar non-powered Bogie frame.

The technical solution adopted by the present invention to solve the technical problems is: a kind of 100% low-floor tramcar non-powered Bogie frame, including one piece of bottom plate and the crossbeam and two curb girders that are welded on bottom plate, the crossbeam is U-shaped bending plate under Box girder construction made of the weldering of cover board group, is welded with drawing pull bar mounting base in cross rail outer；The curb girder be upper and lower cover plates and Box beam made of the weldering of left and right web group, curb girder middle part are in lower spill, pass through crossbeam in the middle part of spill under two curb girders and connect；Every Recess is equipped with secondary spring seat under the middle part of root curb girder；Side rail outer is provided with brake clip clamp block；On side rail outer web Equipped with magnetic rail brake device guide holder；Single stage suspension device mounting seat is equipped on curb girder lower cover plate；It is equipped with laterally at curb girder both ends With vertical damper mounting base；4 groups of axlebox rod seats are equipped in curb girder lower end；4 cross are equipped on two side rail inner webs To stopping seat；Brake clamp draw-bar seat is additionally provided on curb girder.

Compared with prior art, the positive effect of the present invention is: with compact-sized, good appearance, reliable performance it is excellent Point can satisfy 100% low-floor tramcar single stage suspension device, secondary suspension device, drawing pull bar, vertical and transverse direction and stop The installation interface requirement of gear, vertical and lateral damper, braking system etc..The central point being structurally characterized in that with framework of this framework It is arranged symmetrically, can be used with 180 ° of tunings.

Detailed description of the invention

Examples of the present invention will be described by way of reference to the accompanying drawings, in which:

Fig. 1 is the structural schematic diagram of this bogie；

Fig. 2 is the structural schematic diagram of brake clip clamp block 5；

Fig. 3 is the structural schematic diagram of the unsplit bed(-)plate of non-dynamic framework；

Fig. 4 is the structural schematic diagram of the U-shaped bending crossbeam of non-dynamic framework.

Specific embodiment

A kind of 100% low-floor tramcar non-powered bogie frame, as shown in Figure 1, comprising: drawing pull bar mounting base 1, curb girder 2, crossbeam 3, secondary spring seat 4, brake clip clamp block 5, single stage suspension device mounting seat 6, magnetic rail brake device guide holder 7, Brake clamp draw-bar seat 8, axlebox rod seat 9, transverse direction and vertical damper mounting base 10, lateral stopping seat 11 etc., in which:

The overall architecture of this non-powered bogie is H-shaped, and bottom plate is one piece of whole plate, curb girder 2 and crossbeam 3 using welding Mode is fixed on bottom plate, and crossbeam is integrated by connecting method and side beam welding.

Curb girder 2 is box girder construction made of upper and lower cover plates and the weldering of left and right web group, is in lower spill, two curb girders in the middle part of curb girder It is connected in the middle part of lower spill by crossbeam 3, recess is equipped with secondary spring seat 4 under the middle part of every curb girder；

Brake clip clamp block 5 is welded by round tube and board, is welded in side rail outer, using the main mesh of circular tube structure Be quantity in order to reduce weld seam, to reduce region of stress concentration；

Side rail outer web is equipped with magnetic rail brake device guide holder 7；Curb girder lower cover plate is installed equipped with single stage suspension device Seat 6, curb girder both ends are equipped with lateral and vertical damper mounting base 10.Curb girder lower end is equipped with 4 groups of axlebox rod seats 9.In two curb girders Coxostermum is equipped with 4 lateral stopping seats 11.Brake clamp draw-bar seat 8 is additionally provided on curb girder；Wherein, each component is to use The mode of welding is together with side beam welding.

Box girder construction made of bending plate and lower cover board group weldering of the crossbeam for U-shaped, drawing pull bar mounting base 1 are welded on Cross rail outer.

This non-powered bogie frame has to the difference of existing similar non-powered bogie frame:

1. the brake clip clamp block 5 of framework is the welding structure of profile (round tube) and plate, as shown in Figure 2；Profile is effective Ground reduces the quantity of weld seam, to reduce region of stress concentration；And the brake clip clamp block of similar framework is then plate welding It forms or for casting, welding capacity is bigger or the period is longer.

2. the curb girder of framework is welded for plate, structure is simple, with short production cycle；And the curb girder of similar framework is plate Material and casting are welded, and structure is complicated, and the production cycle is long.

3. the crossbeam of framework and the bottom plate of curb girder are an entire plate, as shown in figure 3, reducing crossbeam and curb girder combination weldering The welding capacity connect, Reducing distortion amount and region of stress concentration；And similar framework is then the bottom plate that crossbeam and curb girder have oneself, from It is welded together again at after box-structure, welding capacity is big, and deformation and stress are bigger.

4. the crossbeam of framework is welded as box girder construction using U-shaped bending plate and bottom plate, as shown in figure 4, effectively subtracting The welding capacity of crossbeam is lacked, thus less region of stress concentration；And the crossbeam of similar framework is then that four blocks of plates are welded, Welding capacity is bigger, and deformation and stress are bigger.

5. the drawing pull bar mounting base 1 of framework, axlebox rod seat 9, transverse direction and vertical damper mounting base 10 are forging Part, and the drawing pull bar seat of similar framework and axlebox rod seat are casting, laterally and vertical damper holder is plate weldment, is shown The performance of right forging is more excellent.

6. the quality of framework is about 892kg, than the light weight of similar framework.

Claims

1. a kind of 100% low-floor tramcar non-powered bogie frame, it is characterised in that: including one piece of bottom plate and be welded on Crossbeam and two curb girders on bottom plate, the crossbeam is box girder construction made of U-shaped bending plate and the weldering of lower cover board group, in crossbeam Outside is welded with drawing pull bar mounting base；The curb girder is box beam made of upper and lower cover plates and the weldering of left and right web group, in curb girder Portion is in lower spill, is connected in the middle part of spill by crossbeam under two curb girders；Recess is equipped with secondary spring under the middle part of every curb girder Seat；Side rail outer is provided with brake clip clamp block；Magnetic rail brake device guide holder is equipped on side rail outer web；In curb girder lower cover Plate is equipped with single stage suspension device mounting seat；Lateral and vertical damper mounting base is equipped at curb girder both ends；It is set in curb girder lower end There are 4 groups of axlebox rod seats；4 lateral stopping seats are equipped on two side rail inner webs；Brake clamp is additionally provided on curb girder Draw-bar seat；The crossbeam is by connecting method and side beam welding on same bottom plate；The brake clip clamp block is by round tube and plate Part is welded.

2. a kind of 100% low-floor tramcar non-powered bogie frame according to claim 1, it is characterised in that: institute State secondary spring seat, brake clip clamp block, magnetic rail brake device guide holder, single stage suspension device mounting seat, transverse direction and vertical damper The mode that mounting base, axlebox rod seat, lateral stopping seat, brake clamp draw-bar seat are all made of welding is arranged on curb girder.

3. a kind of 100% low-floor tramcar non-powered bogie frame according to claim 1, it is characterised in that: set It sets crossbeam on bottom plate and two curb girders is integrally H-shaped.

4. a kind of 100% low-floor tramcar non-powered bogie frame according to claim 1, it is characterised in that: institute Stating curb girder is that plate is welded.

5. a kind of 100% low-floor tramcar non-powered bogie frame according to claim 1, it is characterised in that: institute Stating drawing pull bar mounting base, axlebox rod seat, transverse direction and vertical damper mounting base is forging.