CN106143514A - A kind of depressed center car for city railway vehicle maintenance - Google Patents
A kind of depressed center car for city railway vehicle maintenance Download PDFInfo
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- CN106143514A CN106143514A CN201610730747.1A CN201610730747A CN106143514A CN 106143514 A CN106143514 A CN 106143514A CN 201610730747 A CN201610730747 A CN 201610730747A CN 106143514 A CN106143514 A CN 106143514A
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- underframe
- railway vehicle
- sash
- vehicle maintenance
- floor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D3/00—Wagons or vans
- B61D3/16—Wagons or vans adapted for carrying special loads
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a kind of depressed center car for city railway vehicle maintenance, relate to rail technical field of vehicle, including underframe, wind brake unit, hand brake device, electrical installation, coupler and draft gear and bogie, the electrical installation being located at underframe end includes illumination component and power supply thereof；Underframe includes end carriage, sleeper beam, draw beam, sash, floor, lower cover and plural lid, the draw beam of hilt type hollow frame structure includes the pars intermedia that the dove-tail form outer end being connected with coupler and draft gear is connected and the bending part being connected with sash with sleeper beam, the lower surface of pars intermedia is higher than outer end and the lower surface of bending part, and the internal all perpendicular separations of sleeper beam, draw beam and sash are provided with web.The present invention has the features such as simple in construction, easy to use, bearing capacity is big, bulk strength is high, the suitability is strong, it is applicable on standard gauge railway run, it is mainly used in underground railway track line maintenance, loads goods and mainly safeguard the equipment used by underground railway track circuit.
Description
Technical field
The present invention relates to railroad vehicle technical field, particularly relate to a kind of concave bottom for city railway vehicle maintenance and put down
Car.
Background technology
Along with the quickening of the urbanization process of countries in the world, urban population increase the pressure brought to urban transportation day by day
Obviousization, thus subway becomes the new channel alleviating urban traffic pressure.Development ground is all being done one's utmost in each big or middle city, the world at present
Ferrum traffic.Along with a large amount of uses of subway, the maintenance, repair vehicle of daily circuit is consequently increased.
At present, the application of depressed center car is more extensive, owing to depressed center car is the floor using concave bottom part
Carrying, by reducing height of floor from rail top, after realizing goods entrucking, height is without departing from gauge.But, current depressed center car
Not suitable with all model city railway vehicles.Therefore, for this situation, research one meet subway line safeguard with
The transporting equipment of maintenance has become as problem demanding prompt solution.
Summary of the invention
The technical problem to be solved be to provide a kind of simple and compact for structure, easy to operate, bearing capacity is big
For the depressed center car of city railway vehicle maintenance, it is mainly used in subway, the maintenance of urban rail special vehicle transport and maintenance.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of depressed center car for city railway vehicle maintenance, including underframe, wind brake unit, hand brake device, electrical equipment dress
Put, coupler and draft gear and bogie, described electrical installation is arranged on underframe end, described electrical installation include illumination component and
Its power supply；Described underframe includes end carriage, sleeper beam, draw beam, sash, floor, lower cover and plural lid, described traction
Beam is vertically arranged with sleeper beam and forms, with sash, the frame structure that all steel welds, and described floor is arranged on the upper surface of sash, institute
Stating lower cover and be arranged on the lower surface of draw beam, sleeper beam and sash, described end carriage is arranged on the two ends of floor and lower cover；Described
Draw beam is the hollow frame structure of hilt type, and described draw beam includes outer end and the sleeper beam being connected with coupler and draft gear
The pars intermedia connected and the bending part being connected with sash, the lower surface of described pars intermedia is higher than outer end and the lower end of bending part
Face, described outer end be dove-tail form and in set outer big in little hitch swing space；Inside sleeper beam, draw beam and sash the most vertical
Directly it is interval with strengthening web.
Preferably, the hitch of described coupler and draft gear is Schaku35 type hitch, and the installation center height H of hitch is
770mm, the hitch being connected with draw beam is connected end and is arranged in the dove-tail form outer end of draw beam.
Preferably, described underframe is that longitudinal bending, middle part are less than the concave bottom frame structure of fold angle type without central sill at two ends；Described
In the middle part of underframe loading end upwards for the first time bending α dihedral become transition domatic, transition is domatic is transitioned into two ends through second time bending again
Lobe, transition domatic with underframe in the middle part of loading end and two ends lobe be arc transition.
Preferably, in the middle part of described underframe, loading end and domatic 15 angle α of transition are 50-60 °；Described width over side sills B is
2500mm, floor length L of middle part loading end is 12350mm, and the floor distance rail height H ＇ of middle part loading end is 650mm,
Load-carrying is 25t.
Preferably, the floor width of described underframe is more than lower section lower cover width.
Preferably, described underframe material is 09CuPCrNi-A weathering steel.
Preferably, described bogie is Zhuan K2 bogie, and the bolster of bogie, side frame material are B level cast steel or B+ level
Cast steel, the wheel diameter D of bogie is 850mm
Preferably, described wind brake unit includes 120 type control valves, a diameter of 305 mm spinning seal type brake cylinders, ST2-250
The two-way hem shoe gap automatic regulator of type, the main pipe pressure of wind brake unit meets 500 kPa and 600 kPa, uses braiding system
Dynamic hose assembly, Ao-shellfish magnesium iron lining, composite brake shoe with great friction coefficient, rustless steel braking accessory and piping；Described hand braking
Device is to be prevented from the NSW type hand brake that hand braking chain comes off.
Preferably, described lid is 4, is all bolted on floor, can overhaul lower section by middle part lid
Wind brake unit, set storage space in the lid of two ends.
Preferably, described underframe both sides are provided with longitudinal web, and longitudinal web and two ends end carriage are equipped with rope hook and rope bolt.
Use and have the beneficial effects that produced by technique scheme: the subway depressed center car that the present invention provides has structure
The features such as simply, easy to use, bearing capacity big, and bulk strength is high, the suitability is strong.The underframe of the present invention uses all steel welding
Totally-enclosed frame structure, advantageously reduces light weight, improves vehicle transport ability；Advantageously reduce vehicle loading end height,
Make full use of gauge space to transport, on the premise of proof strength and rigidity, simplify manufacturing process, improve product matter
Amount；The loading end two ends, middle part of underframe are domatic and two ends lobe arc transition through transition, in the situation that recessed length over end sills is certain
Under, it is possible to increase the length of loading end, bending part uses arc transition, and stress distribution is uniform, is conducive to improving car body strength；Underframe
Use the weathering steel of atmospheric corrosion resistance as carbody carrying structure, extend time between overhauls(TBO) and the service life of vehicle, improve
Vehicle utilization rate；The electric lighting device of underframe end, facilitates vehicle on subway line or the needs worked at night；Hitch
Buffer unit have employed the Schaku 35 type hitch of advanced person, is having transmission train longitudinal force concurrently and is reducing the merit of longitudinal impact force
While energy, reduce the company between vehicle and hang gap, improve the impact of collision problem of city rail vehicle；Select Zhuan K2 bogie,
Make vehicle have preferably and overhaul performance, application safety and reliability.The present invention is applicable on standard gauge railway run,
Being mainly used in underground railway track line maintenance, daily loading goods mainly safeguards the equipment used by underground railway track circuit, and vehicle carries
Weighing 25 t, axle weighs 16 t, and conduct oneself with dignity 25 t, maximum operational speed 80 km/h.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the left view of Fig. 1；
Fig. 4 is the structural representation of underframe in Fig. 1
Fig. 5 is the top view of Fig. 4；
Fig. 6 is the structural representation of draw beam in Fig. 4；
Fig. 7 is the top view of Fig. 6；
Fig. 8 is the A-A sectional drawing in Fig. 5；
In figure: 1-underframe, 2-wind brake unit, 3-hand brake device, 4-electrical installation, 5-coupler and draft gear, 6-bogie,
7-illumination component, 8-end carriage, 9-sleeper beam, 10-draw beam, 11-sash, 12-floor, 13-lower cover, 14-lid, 15-transition
Domatic, 16-strengthening web, 101-outer end, 102-pars intermedia, 103-bending part.
Detailed description of the invention
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
A kind of depressed center car for city railway vehicle maintenance as shown in figures 1-8, including underframe 1, wind brake unit
2, hand brake device 3, electrical installation 4, coupler and draft gear 5 and bogie 6, described electrical installation 4 is arranged on underframe 1 end,
Described electrical installation 4 includes illumination component 7 and power supply thereof, the needs meeting on subway line or working at night；Described underframe 1
Including end carriage 8, sleeper beam 9, draw beam 10, sash 11, floor 12, lower cover 13 and plural lid 14, described draw beam
10 are vertically arranged with sleeper beam 9 and form, with sash 11, the frame structure that all steel welds；Described sleeper beam 9, draw beam 10 and sash 11
Internal all perpendicular separations are provided with strengthening web 16, while reducing light weight, it is ensured that the strength and stiffness of car body；Described
Floor 12 is weldingly fixed on the upper surface of sash 11, and described lower cover 13 is weldingly fixed on draw beam 10, sleeper beam 9 and sash 11
Lower surface, described end carriage 8 is weldingly fixed on floor 12 and the two ends of lower cover 13；Described draw beam 10 is the hollow frame of hilt type
Shelf structure, described draw beam 10 includes the pars intermedia 102 that the outer end 101 being connected with coupler and draft gear 5 is connected with sleeper beam 9
And the bending part 103 being connected with sash 11, the lower surface of described pars intermedia 102 is higher than outer end 101 and the lower end of bending part 103
Face, described outer end 101 be dove-tail form and in set outer big in little hitch swing space, with the most external import railcar
Hitch used matches.This underframe uses full-closed structure, and PROCESS FOR TREATMENT is reasonable, and take full advantage of in bounds is limited
Space, also ensure that strength and stiffness simultaneously, substantially can reach in whole lifetime.
Further, in order to suitable with foreign vehicle, the hitch of described coupler and draft gear 5 is Schaku35 type car
Hook, the installation center height H of hitch is 770mm, and the hitch being connected with draw beam 10 is connected end and is arranged on the dove-tail form of draw beam 10
In outer end 101, to ensure that hitch has in enough swing spaces, the draw beam of this hilt type and Schaku35 type hitch
Heart height matches.The tight-lock coupler damping device selecting Schaku35 type hitch is one of city railway vehicle critical piece,
It plays and connects each vehicle and be allowed to keep the effect of certain distance.Meanwhile, also have transmission train longitudinal force concurrently and reduce longitudinally
The function of impulsive force, can reduce the company between vehicle and hang gap, improve the impact of collision problem of city rail vehicle.
As a kind of preferred structure, described underframe 1 be the concave bottom frame of fold angle type without central sill that longitudinal bending, middle part are less than two ends
Shelf structure；In the middle part of described underframe 1 loading end upwards for the first time bending α dihedral become transition domatic 15, α angle can 50-60 ° it
Between, transition domatic 15 is transitioned into two ends lobe through second time bending again, transition domatic 15 and the middle part loading end and two of underframe 1
End lobe is arc transition.In the case of length over end sills is certain, it is possible to increase the length of loading end, transported goods is put
Entering the middle part loading end of underframe 1, it is possible to be substantially reduced the center of gravity of car body, dynamic performance is ideal, is especially suitable for high speed goods
Fortune；Transition domatic 15 uses arc transition with the middle part loading end of underframe 1 and the bending of two ends lobe, and stress distribution can be made equal
Even, be conducive to improving car body strength.The underframe of this concave bottom structure takes full advantage of on vehicle gauge of the locomotive and middle part loading end
Space, portion, in limited space, obtains bigger rigidity with lighter deadweight.
Wherein, sash 11 is become by longitudinal web, transversal web and dividing plate assembly welding, with floor, lower cover, reinforcing plate assembly welding knot
Synthesis sash；Sleeper beam 9 and draw beam 10 are tied by double web box variable cross-sections of the assembly weldings such as upper and lower cover plate, web, dividing plate respectively
Structure, draw beam 10 is welded and fixed with sleeper beam 9 and sash 11 respectively, makes underframe 1 form the frame structure of all steel welding, is conducive to fall
Low light weight, improves vehicle transport ability.
Equally, in order to meet foreign customers demand, described underframe 1 width B is 2500mm, and the floor 12 of middle part loading end is long
Degree L is 12350mm, and the floor 12 of middle part loading end is 650mm apart from rail height H ＇, and load-carrying is 25t, and axle weighs 16 t, deadweight
25 t.It addition, the gauge of bogie be 1435mm, wheelspan be 1750mm, it is possible on standard gauge railway run.Underframe 1
Upper plane is 1200mm to the distance of rail, and the floor 12 of middle part loading end is 650mm apart from rail height H ＇, and this concave bottom is tied
The underframe of structure can be substantially reduced the center of gravity of car body, underframe total length 20000mm, and floor 12 length L of middle part loading end is
12350mm, can make full use of floor upper space charging appliance, improves transport capacity.
Described bogie 6 uses the Zhuan K2 bogie of maturation, and the bolster of bogie 6, side frame material are B level cast steel or B+
Level cast steel, the wheel diameter D of bogie 6 is 850mm, makes vehicle have preferably and overhauls performance, application safety and reliability,
Ensure that vehicle mass, facilitate car inspection and repair and maintenance.
In order to widen the floor width on underframe 1, avoid lower cover 13 below underframe to interfere with wheel, when design simultaneously
By floor 12 width of underframe 1 more than lower section lower cover 13 width.In like manner, the curb girder height of draw beam side is less than traction deck-molding
Degree, during to avoid heavy duty, curb girder interferes in smallest curve radius with bogie.
It addition, described underframe 1 material is 09CuPCrNi-A weathering steel, uses weather resisting steel, improve corrosion resistance
Can, reduce the maintenance cost of vehicle, extend time between overhauls(TBO) and the service life of vehicle, improve vehicle utilization rate.
Using domestic 70 t level rail wagon brake systems, described wind brake unit 2 includes 120 type control valves, a diameter of
305 mm spinning seal type brake cylinders, the two-way hem shoe gap automatic regulator of ST2-250 type, these parts all can select as required
Purchasing, the two-way hem shoe gap automatic regulator of ST2-250 type selects the two-way hem shoe gap automatic regulator of ST2-250 type improved,
The main pipe pressure of wind brake unit meets 500 kPa and 600 kPa, use braiding brake hose assemblies, Ao-shellfish magnesium iron lining,
Composite brake shoe with great friction coefficient, rustless steel braking accessory and piping；Described hand brake device 3 comes off for being prevented from hand braking chain
NSW type hand brake.The key fitment of the present invention all uses current 70 t level general purpose freight car technology advanced, ripe, reliable,
Convenient scene uses, safeguards and overhaul.
Lid 14 on described floor is 4, and each lid is all bolted on floor 12 by M16, and lid sets
With handles, it is easy to open, the wind brake unit 2 of lower section can be overhauled by middle part lid 14, set storing in two ends lid 14 empty
Between, can be by the tool storage of brakes regular maintenance and maintenance below lid in storage space.
The fixing equipment transported and maintenance tool for convenience, described underframe 1 both sides are provided with longitudinal web, longitudinal web
And on two ends end carriage 8, it is equipped with rope hook and rope bolt, can be used for the needs that equipment binding is reinforced.
In sum, the present invention provide subway depressed center car have simple in construction, easy to use, bearing capacity is big, whole
The features such as body intensity is high, the suitability is strong, the underframe of all steel welded closure formula frame structure of employing advantageously reduces vehicle's center of gravity
And deadweight, advantageously reducing vehicle loading end height, middle part loading end and two ends lobe utilize the transition of wide-angle domatic also
Arc transition, can expand the bearing space on top, floor, improves vehicle transport ability；The dove-tail form outer end of hilt type draw beam
Match with coupler and draft gear, meet the demand of external imported vehicle, the illuminations such as illuminating lamp are installed at underframe end simultaneously
Element is to adapt to subway transport working environment.The present invention is conducive to Simplified flowsheet, convenient manufacture, improves product quality, has more
Good maintenance performance, application safety and reliability.The present invention is applicable on standard gauge railway run, and is mainly used in subway
Track circuit keeps in repair, and daily loading goods mainly safeguards the equipment used by underground railway track circuit, and vehicle load 25 t, axle weighs 16
T, conduct oneself with dignity 25 t, maximum operational speed 80 km/h.
Principle and the embodiment of the present invention are set forth by specific case used herein, saying of above example
Bright method and the core concept thereof being only intended to help to understand the present invention.It should be pointed out that, the ordinary skill for the art
For personnel, under the premise without departing from the principles of the invention, it is also possible to the present invention is carried out some improvement and modification, these improve
Also fall in the protection domain of the claims in the present invention with modifying.
Claims (10)
1. the depressed center car for city railway vehicle maintenance, it is characterised in that: include underframe (1), wind brake unit
(2), hand brake device (3), electrical installation (4), coupler and draft gear (5) and bogie (6), described electrical installation (4) setting
In underframe (1) end, described electrical installation (4) includes illumination component (7) and power supply thereof；Described underframe (1) include end carriage (8),
Sleeper beam (9), draw beam (10), sash (11), floor (12), lower cover (13) and plural lid (14), described traction
Beam (10) is vertically arranged with sleeper beam (9) and forms, with sash (11), the frame structure that all steel welds, and described floor (12) are arranged on
The upper surface of sash (11), described lower cover (13) is arranged on draw beam (10), sleeper beam (9) and the lower surface of sash (11), institute
State end carriage (8) and be arranged on floor (12) and the two ends of lower cover (13)；Described draw beam (10) is the hollow frame knot of hilt type
Structure, described draw beam (10) includes the pars intermedia that the outer end (101) being connected with coupler and draft gear (5) is connected with sleeper beam (9)
(102) bending part (103) and with sash (11) being connected, the lower surface of described pars intermedia (102) is higher than outer end (101) and folding
The lower surface of turn of bilge (103), described outer end (101) be dove-tail form and in set outer big in little hitch swing space；Described pillow
The internal all perpendicular separations of beam (9), draw beam (10) and sash (11) are provided with strengthening web (16).
A kind of depressed center car for city railway vehicle maintenance the most according to claim 1, it is characterised in that: described car
The hitch of hook buffer unit (5) is Schaku35 type hitch, and the installation center height H of hitch is 770mm, is connected with draw beam (10)
Hitch connect end and be arranged in the dove-tail form outer end (101) of draw beam (10).
A kind of depressed center car for city railway vehicle maintenance the most according to claim 1, it is characterised in that: the described end
Frame (1) is that longitudinal bending, middle part are less than the concave bottom frame structure of fold angle type without central sill at two ends；Described underframe (1) middle part loading end
Upwards bending α dihedral becomes transition domatic (15), transition domatic (15) to be transitioned into two ends lobe through second time bending more for the first time,
Transition domatic (15) is arc transition with middle part loading end and the two ends lobe of underframe (1).
A kind of depressed center car for city railway vehicle maintenance the most according to claim 3, it is characterised in that: the described end
Frame (1) middle part loading end is 50-60 ° with transition domatic (15) angle α；Described underframe (1) width B is 2500mm, and middle part carries
Floor (12) length L in face is 12350mm, and floor (12) the distance rail height H ＇ of middle part loading end is 650mm, and load-carrying is
25t。
A kind of depressed center car for city railway vehicle maintenance the most according to claim 1, it is characterised in that: the described end
Floor (12) width of frame (1) is more than lower section lower cover (13) width.
A kind of depressed center car for city railway vehicle maintenance the most according to claim 1, it is characterised in that: the described end
Frame (1) material is 09CuPCrNi-A weathering steel.
A kind of depressed center car for city railway vehicle maintenance the most according to claim 1, it is characterised in that: described turn
Being Zhuan K2 bogie to frame (6), the bolster of bogie (6), side frame material are B level cast steel or B+ level cast steel, bogie (6)
Wheel diameter D is 850mm.
A kind of depressed center car for city railway vehicle maintenance the most according to claim 1, it is characterised in that: described wind
Brake unit (2) includes 120 type control valves, a diameter of 305 mm spinning seal type brake cylinders, the two-way brake clearance of ST2-250 type
Automatic regulator, the main pipe pressure of wind brake unit (2) meets 500 kPa and 600 kPa, use braiding brake hose assemblies,
Ao-shellfish magnesium iron lining, composite brake shoe with great friction coefficient, rustless steel braking accessory and piping；Described hand brake device (3) is energy
Enough prevent the NSW type hand brake that hand braking chain comes off.
A kind of depressed center car for city railway vehicle maintenance the most according to claim 1, it is characterised in that: described mouth
Lid (14) is 4, is all bolted on floor (12), can be overhauled the wind braking dress of lower section by middle part lid (14)
Putting (2), two ends lid sets storage space in (14).
A kind of depressed center car for city railway vehicle maintenance the most according to claim 1, it is characterised in that: described
Underframe (1) both sides are provided with longitudinal web, and longitudinal web and two ends end carriage (8) are equipped with rope hook and rope bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610730747.1A CN106143514B (en) | 2016-08-26 | 2016-08-26 | A kind of depressed center car for city railway vehicle maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610730747.1A CN106143514B (en) | 2016-08-26 | 2016-08-26 | A kind of depressed center car for city railway vehicle maintenance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106143514A true CN106143514A (en) | 2016-11-23 |
| CN106143514B CN106143514B (en) | 2018-01-16 |
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ID=57343488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610730747.1A Active CN106143514B (en) | 2016-08-26 | 2016-08-26 | A kind of depressed center car for city railway vehicle maintenance |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107745719A (en) * | 2017-10-30 | 2018-03-02 | 中车唐山机车车辆有限公司 | Track vehicle body structure |
| CN110304088A (en) * | 2019-07-01 | 2019-10-08 | 中车长江车辆有限公司 | A kind of railway freight-car and its chassis assembly |
| CN111959548A (en) * | 2020-09-01 | 2020-11-20 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle and chassis transition structure for connecting high-low floor thereof |
-
2016
- 2016-08-26 CN CN201610730747.1A patent/CN106143514B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107745719A (en) * | 2017-10-30 | 2018-03-02 | 中车唐山机车车辆有限公司 | Track vehicle body structure |
| CN107745719B (en) * | 2017-10-30 | 2019-09-24 | 中车唐山机车车辆有限公司 | Track vehicle body structure |
| CN110304088A (en) * | 2019-07-01 | 2019-10-08 | 中车长江车辆有限公司 | A kind of railway freight-car and its chassis assembly |
| CN111959548A (en) * | 2020-09-01 | 2020-11-20 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle and chassis transition structure for connecting high-low floor thereof |
| CN111959548B (en) * | 2020-09-01 | 2022-01-25 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle and chassis transition structure for connecting high-low floor thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106143514B (en) | 2018-01-16 |
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