CN206954238U - Secondary suspension device, bogie and rail vehicle - Google Patents
Secondary suspension device, bogie and rail vehicle Download PDFInfo
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- CN206954238U CN206954238U CN201720856951.8U CN201720856951U CN206954238U CN 206954238 U CN206954238 U CN 206954238U CN 201720856951 U CN201720856951 U CN 201720856951U CN 206954238 U CN206954238 U CN 206954238U
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- supporting plate
- steel pipe
- suspension device
- secondary suspension
- bogie
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Abstract
The utility model provides a kind of secondary suspension device, bogie and rail vehicle, wherein, secondary suspension device includes：Blade assemblies, including：Two supporting plate beams, steel pipe and pull bar, two supporting plate Liangping between-line spacings are set, and bottom of the front-end and back-end of supporting plate beam respectively with a pull bar is rotatably connected, the top of pull bar is used to be rotatably connected with the curb girder of framework, and the both ends of steel pipe are respectively welded on two supporting plate beams；Two spring assemblies, spring assembly include spring and protecting seat, and the lower surface of spring is fixed in the mating groove at the top of protecting seat, and the bottom of protecting seat is welded on the upper surface of supporting plate beam.The stress part of protecting seat and supporting plate beam weld can be transferred to steel pipe and supporting plate beam weld by secondary suspension device, bogie and rail vehicle provided by the utility model; so as to reduce the stress concentration of protecting seat and supporting plate beam weld; improve the life-span of secondary suspension device, and then improve the life-span of bogie and rail vehicle.
Description
Technical field
It the utility model is related to rail vehicle technical field, more particularly to a kind of secondary suspension device, bogie and track
Vehicle.
Background technology
With the raising of rail vehicle transport power, rail vehicle has turned into the main means of transport of cargo transport.In order to improve
The damping performance of freight railway vehicle, single stage suspension component and secondary suspension component, a system is set to hang generally in bogie
Hanging component is arranged on wheel pair between framework, and secondary suspension component is arranged between framework and vehicle body.
The secondary suspension component of prior art includes spring assembly, draw bar and supporting plate, and vehicle body is carried on spring assembly
Top；Supporting plate is steel plate, and the bottom of spring assembly is welded on the upper surface of supporting plate, and the bottom of draw bar, which is rotatably connected, is holding in the palm
On plate, the top of draw bar is rotatably connected architecturally, so that secondary suspension component is suspended on above framework.
But because supporting plate is platy structure, its commissure is the T-shaped weld seam of bilateral welding, after its stress, in spring
The bottom of device causes the life-span of secondary suspension component with easily occurring stress concentration at supporting plate solder joint and fatigue rupture
It is low.
Utility model content
The utility model provides a kind of secondary suspension device, bogie and rail vehicle, is hanged with solving the system of prior art two
The problem of bottom of hanging component spring assembly is destroyed with fatiguability at supporting plate solder joint.
The utility model provides a kind of secondary suspension device, including：Blade assemblies, including：Two supporting plate beams, steel pipe and
Pull bar, two supporting plate Liangping between-line spacings are set, and bottom of the front-end and back-end of supporting plate beam respectively with a pull bar rotatably connects
Connect, the top of pull bar is used to be rotatably connected with the curb girder of framework, and the both ends of steel pipe are respectively welded on two supporting plate beams；Two
Spring assembly, spring assembly include spring and protecting seat, and the lower surface of spring is fixed in the mating groove at the top of protecting seat, protection
The bottom of seat is welded on the upper surface of supporting plate beam.
Secondary suspension device as described above, wherein, supporting plate beam includes：Body；The bottom of protecting seat and the upper table of body
Face is welded, and the medial surface of body extends toward another supporting plate beam direction to be welded formed with connecting portion, steel pipe with connecting portion.
Secondary suspension device as described above, wherein, body be two, and the front end of one of body with another
The rear end of body welds together；Steel pipe is two and be arranged in parallel；The connecting portion that two steel pipes are formed with two bodies respectively
Welding.
Secondary suspension device as described above, wherein, the joint face of body and connecting portion is cambered surface.
Secondary suspension device as described above, wherein, connecting portion formed with circular hole, in steel pipe insertion circular hole and with circular hole
Hole wall welds together；Or connecting portion, formed with cylindrical bump, projection insertion steel pipe is interior and is welded on the tube wall of steel pipe
Together.
Secondary suspension device as described above, wherein, the rear and front end of supporting plate beam is respectively welded with a connector, connector
On be set in formed with round bar portion, the bottom of pull bar in round bar portion.
The utility model also provides a kind of bogie, including：Framework, braking flap seat and secondary suspension as described above dress
Put；Framework includes two curb girders and two crossbeams；Two curb girders be arranged in parallel, two crossbeams be set in parallel in two curb girders it
Between, and curb girder is set with beam vertical；The both ends of crossbeam are fixed with two curb girders respectively；The upward shape in the junction of curb girder and crossbeam
Into the suspension part having for being rotatablely connected with the pull bar of secondary suspension device；It is welded on crossbeam formed with pedestal, braking flap seat
On pedestal；The solder side of pedestal and braking flap seat is formed with for adjusting adjustment structure of the braking flap seat relative to crossbeam spacing.
Bogie as described above, wherein, adjustment structure is trapezoidal raised and trapezoidal recessed with the trapezoidal male cooperation
Groove；Or adjustment structure is the stepped raised and cascade groove with the stepped male cooperation.
Bogie as described above, wherein, trapezoidal raised or stepped projection is arranged on braking flap seat, accordingly, ladder
Connected in star or cascade groove are arranged on pedestal；Or trapezoidal groove or cascade groove are arranged on braking flap seat, phase
Answer, trapezoidal raised or stepped projection is arranged on pedestal.
The utility model also provides a kind of rail vehicle, including vehicle body and bogie as described above, bogie connection
On vehicle body.
Secondary suspension device, bogie and rail vehicle provided by the utility model, by setting steel in blade assemblies
Pipe and two supporting plate beams, the both ends of steel pipe are respectively welded on two supporting plate beams, and the protecting seat of spring assembly is welded on supporting plate beam
Upper surface on, the stress part of protecting seat and supporting plate beam weld is transferred to steel pipe and supporting plate beam weld, so as to drop
The stress concentration of minimum living guard housing and supporting plate beam weld, improve the life-span of secondary suspension device, and then improve bogie and track
The life-span of vehicle.Meanwhile the steel plate of prior art is replaced to mitigate the weight of secondary suspension device with steel pipe.
Brief description of the drawings
Fig. 1 is the utility model secondary suspension device overall structure diagram；
Fig. 2 is the structural representation of supporting plate beam in Fig. 1；
Fig. 3 is the connection diagram of protecting seat, supporting plate beam and steel pipe in Fig. 1；
Fig. 4 is the connection diagram of supporting plate beam and pull bar in Fig. 1；
Fig. 5 is the front view of the utility model bogie；
Fig. 6 is the top view of the utility model bogie；
Fig. 7 is the structural representation of framework in Fig. 5；
Fig. 8 is the structural representation that flap seat is braked in Fig. 7；
Fig. 9 is the structural representation that structure is adjusted in Fig. 8.
Description of reference numerals：
1：Secondary suspension device； 11：Blade assemblies；
111：Supporting plate beam； 1111：Body；
1112：Connecting portion； 1113：Connector；
1115：Round bar portion； 1116：Cambered surface；
112：Steel pipe； 12：Spring assembly；
121：Spring； 122：Protecting seat；
13：Pull bar； 131：Connecting hole；
2：Framework； 21：Curb girder；
211：Suspension part； 22：Crossbeam；
221：Pedestal； 23：Brake flap seat；
24：Adjust structure； 241：Stepped projection；
242：Cascade groove； 3：Brake apparatus；
4：Brake disc.
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, it should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, and the utility model is not limited to following specific realities
Apply mode.
Fig. 1 is the utility model secondary suspension device overall structure diagram；Fig. 2 is the structural representation of supporting plate beam in Fig. 1
Figure；Fig. 3 is the connection diagram of protecting seat, supporting plate beam and steel pipe in Fig. 1；Fig. 4 is the connection signal of supporting plate beam and pull bar in Fig. 1
Figure.
Incorporated by reference to Fig. 1 to Fig. 4, the present embodiment provides a kind of secondary suspension device 1, including：Blade assemblies 11, including：Two
Individual supporting plate beam 111, steel pipe 112 and pull bar 13, two parallel intervals of supporting plate beam 111 are set, and the front end of supporting plate beam 111 is with after
The bottom respectively with a pull bar 13 is held to be rotatably connected, the top of pull bar 13 is used to be rotatably connected with the curb girder of framework, steel
The both ends of pipe 112 are respectively welded on two supporting plate beams 111；Two spring assemblies 12, spring assembly 12 include spring 121 and protected
Guard housing 122, the lower surface of spring 121 are fixed in the mating groove at the top of protecting seat 122, and the bottom of protecting seat 122 is welded on support
The upper surface of plate-girder 111.
Specifically, secondary suspension device 1 can include blade assemblies 11 and spring assembly 12, and spring assembly 12 can include
Protecting seat 122 and the spring 121 being fastened in the mating groove of protecting seat 122, the top of spring 121 can be with bearing track vehicle
Vehicle body；Blade assemblies 11 can include two supporting plate beams 111 be arrangeding in parallel and both ends are respectively welded on two supporting plate beams 111
Steel pipe 112, protecting seat 122 is welded on the upper surface of supporting plate beam 111, so that spring assembly 12 is fixed in blade assemblies 11；
In addition, the both ends of each supporting plate beam 111 have been rotatably coupled pull bar 13 respectively, top of the pull bar 13 away from supporting plate beam 111 with
The curb girder of framework is rotatably connected, and secondary suspension device 1 is suspended between framework and vehicle body.
The value volume and range of product of spring 121 can be configured according to actual conditions in spring assembly 12, it is preferable that every group of bullet
Spring component 12 can include 2 springs 121, and spring 121 can be steel spring.Further, each spring 122 can include interior
Coil spring and cycle spring, to strengthen the bearing capacity of secondary suspension device 1.
The mode that is connected together of spring 121 and protecting seat 122 can have it is a variety of, such as formed with boss on protecting seat 122,
Boss can be stretched into inside spring 121, in another example could be formed with mating groove on protecting seat 122, the outer ring of spring 121 is fastened on
In mating groove, it is not specifically limited herein.
Parts of the supporting plate beam 111 as direct bearing spring component 12 in blade assemblies 11, its shape and size can be with
It is configured according to actual conditions, it is preferable that supporting plate beam 111 can be block structure, and its length can be more than protecting seat 122
Length, to increase loaded area, reduce stress concentration.In addition, supporting plate beam 111 can use the metal material of prior art by normal
The processing method seen is process, such as it can be fixedly connected with mode by welding etc. by several parts and be formed by connecting, again
Such as it can also pass through the methods of casting and be integrally machined shaping, be not specifically limited herein.
Parts of the steel pipe 112 as two supporting plate beams 111 of connection, it is directly welded at supporting plate beam 111 and deviates from protecting seat
122 bottom, it can also be welded on two relative sides of supporting plate beam 111, be not specifically limited herein.In addition, steel pipe 112
Quantity can be configured according to actual loading situation, the cross section of steel pipe 112 can be the specific shapes such as square or triangle
Shape, it is not specifically limited herein.Preferably, steel pipe 112 can be that cross section is circular tubular structure, and it can mitigate two systems
The weight of suspension arrangement 1, and strengthen its bending strength.
Major part of the pull bar 13 as connection secondary suspension device 1 and framework, its shape and size can be according to reality
Stressing conditions are configured.The rotation connection mode of the bottom of pull bar 13 and supporting plate beam 111 can have a variety of, such as supporting plate beam
111 both ends could be formed with articulated section, and pull bar 13 can be hinged by bearing pin and articulated section；In another example can on supporting plate beam 111
Flange could be formed with the side formed with mounting hole, the bottom of pull bar 13, flange, which can be stretched into mounting hole, rotatably to be connected
Connect.
When secondary suspension device 1 carries, active force is simultaneously delivered to support by the forced compression of spring 121 by protecting seat 122
Board component 11, supporting plate beam 111 as the part being directly connected with spring assembly 12, the commissure of itself and protecting seat 122 bear compared with
Big stress and it is easiest to stress concentration occur and destroy, but because steel pipe 112 is welded on supporting plate beam 111, its weld seam is
Butt weld, can be with transfer part protecting seat 122 and the stress of the commissure of supporting plate beam 111, so as to avoid protecting seat 122 and supporting plate
The commissure of beam 111 produces stress concentration and destroyed.
The secondary suspension device that the present embodiment provides, by setting steel pipe and two supporting plate beams, steel pipe in blade assemblies
Both ends be respectively welded on two supporting plate beams, the protecting seat of spring assembly is welded on the upper surface of supporting plate beam, will protection
The stress part of seat and supporting plate beam weld is transferred to steel pipe and supporting plate beam weld, is welded so as to reduce protecting seat with supporting plate beam
The stress concentration at place, improve the life-span of secondary suspension device, meanwhile, the steel plate for replacing prior art with steel pipe can also mitigate two systems
The weight of suspension arrangement.
In another embodiment, supporting plate beam 111 includes：Body 1111；The bottom of protecting seat 122 is upper with body 1111
Surface soldered, the medial surface of body 1111 extend formed with connecting portion 1112 toward another direction of supporting plate beam 111, steel pipe 112 with
Connecting portion 1112 welds.
Specifically, supporting plate beam 111 can include the body 1111 being connected with steel pipe 112, and the inner side of body 1111 faces out
Formed with the connecting portion 1112 welded with steel pipe 112.The shape and quantity of body 1111 can be configured according to actual conditions,
It is not specifically limited herein.The shape of connecting portion 1112 can also be configured according to actual conditions, it is preferable that connecting portion 1112
Can be column, steel pipe 112 can be welded on the end face of connecting portion 1112.The connected mode of connecting portion 1112 and body 1111 can
It is a variety of to have, it is preferable that connecting portion 1112 can be integrally cast with body 1111, connected with reducing the methods of machining
Stress concentration caused by place.Connecting portion 1112 can be in order to the welding of steel pipe 112 and supporting plate beam 111, and can reduce weld
Stress concentration.
In the present embodiment, in order to strengthen load performance, body 1111 can be two, and before one of body 1111
The rear end with another body 1111 is held to weld together；Steel pipe 112 is two and be arranged in parallel；Two steel pipes 112 respectively with
The connecting portion 1112 that two bodies 1111 are formed welds.
It should be noted that the direction that " front end ", " rear end " represent in the present embodiment is the left and right directions in accompanying drawing.Specifically
Ground, supporting plate beam 111 can include two bodies 1111, and the front end of a body 1111 and the rear end of another body 1111 are welded
Together.Meanwhile blade assemblies 11 can be provided with two steel pipes 112, two steel pipes 112 be arranged in parallel, and steel pipe 112 is distinguished
Welded with the connecting portion 1112 in two bodies 1111.
Preferably, the weld seam of protecting seat 122 and body 1111 can avoid the weld seam between two bodies 1111, so as to protect
Guard housing 122 and the stress of the commissure of supporting plate beam 111 can also partly be transferred to the commissure between two bodies 1111, further
Reduce the stress concentration of protecting seat 122 and the weld of supporting plate beam 111.Two steel pipes 112, which can also be arranged in parallel, strengthens its load
Performance.
Further, can be by body 1111 in order to avoid there is stress concentration between body 1111 and connecting portion 1112
Cambered surface 1116 is arranged to the joint face of connecting portion 1112.Cambered surface 1116 can be to realize that body 1111 and connecting portion 1112 are smooth
The joint face of transition, its size can be configured according to actual conditions, be not specifically limited herein.
As a kind of achievable mode, connecting portion 1112 formed with circular hole, steel pipe 112 insert in circular hole and with circular hole
Hole wall welds together；Or connecting portion 1112 is formed with cylindrical bump, in projection insertion steel pipe 112 and with steel pipe 112
Tube wall welds together.
Specifically, in order to increase the load performance of connecting portion 1112 and the weld of steel pipe 112, connecting portion 1112 can be formed
There is the circular hole that internal diameter is slightly larger than the external diameter of steel pipe 112, steel pipe 112 may be inserted into circular hole and be welded with hole wall；Or connecting portion
1112 can also be slightly less than the cylindrical bump of the internal diameter of steel pipe 112 formed with external diameter, and steel pipe 112 can be enclosed on cylindrical bump
Outside simultaneously welds together with it.
On the basis of above-described embodiment, the rear and front end of supporting plate beam 111 is respectively welded with a connector 1113, connector
It is set on 1113 formed with round bar portion 1115, the bottom of pull bar 13 in round bar portion 1115.
Specifically, supporting plate beam 111 can be welded by two bodies 1111 and two connectors 1113, two connectors
1113 can be respectively welded at the both ends for the parts that two bodies 1111 form.Preferably, protecting seat 122 and body 1111
Weld seam can avoid the weld seam between two bodies 1111, body 1111 and connector 1113, by protecting seat 122 and body
1111 stress is distributed to above-mentioned multiple weld seams, so as to reduce the stress concentration between protecting seat 122 and supporting plate beam 111.
Connecting hole 131 can also be could be formed with formed with round bar portion 1115, the bottom of pull bar 13 on connector 1113, even
Connecing hole 131 can be set in outside round bar portion 1115, to realize being rotatably connected for pull bar 13 and supporting plate beam 111, and simplify processing
Process.
Fig. 5 is the front view of the utility model bogie；Fig. 6 is the top view of the utility model bogie；Fig. 7 is Fig. 5
The structural representation of middle framework；Fig. 8 is the structural representation that flap seat is braked in Fig. 7.
Incorporated by reference to Fig. 5 to Fig. 8, the present embodiment also provides a kind of bogie, including：Framework 2, braking flap seat 23 and two system
Suspension arrangement 1；Framework 2 includes two curb girders 21 and two crossbeams 22；Two curb girders 21 are be arranged in parallel, and two crossbeams 22 are parallel to be set
Put between two curb girders 21, and curb girder 21 is vertically arranged with crossbeam 22；The both ends of crossbeam 22 are fixed with two curb girders 21 respectively；
The junction of curb girder 21 and crossbeam 22 is upwardly formed for the suspension part with the rotation connection of the pull bar 13 of secondary suspension device 1
211；It is welded on crossbeam 22 formed with pedestal 221, braking flap seat 23 on pedestal 221；The welding of pedestal 221 and braking flap seat 23
Face is formed with for adjusting adjustment structure 24 of the braking flap seat 23 relative to the spacing of crossbeam 22.
Specifically, in the present embodiment, the 26S Proteasome Structure and Function of secondary suspension device 1 is same as the previously described embodiments, herein no longer
Repeat.Bogie can include framework 2,22 groups of the crossbeam that framework 2 is be arranged in parallel by two curb girders be arrangeding in parallel 21 and two
Into the both ends of two crossbeams 22 are respectively welded on two curb girders 21, part of two curb girders 21 between two crossbeams 22
Can be to lower recess, two sides can also be formed with suspension part 211 on 21, and the top of pull bar 13 of secondary suspension device 1 can
Rotationally it is connected on suspension part 211, so that the both ends of secondary suspension device 1 are suspended on above the depression of curb girder 21.
The mode of being rotatably connected of pull bar 13 and suspension part 211 can have a variety of, it is preferable that suspension part 211 can be formed
There are two side walls being oppositely arranged, the top of pull bar 13 is between two side, and formed with through hole, the top of pull bar 13 in side wall
Formed with cylindrical hole, bearing pin can pass through through hole and cylindrical hole to realize connection.
In addition, the braking flap seat 23 for installing brake apparatus 3 is additionally provided with framework 2, formed with pedestal on crossbeam 22
221, braking flap seat 23 is welded on side of the pedestal 221 away from crossbeam 22.Preferably, braking flap seat 23 can be parallel with curb girder 21
Set, to facilitate the installation of brake apparatus 3.In order to adapt to different brake apparatus 3, braking can between flap seat 23 and pedestal 221
Formed with adjustment structure 24, to brake the distance between flap seat 23 and crossbeam 22 with adjustment, and then cause brake apparatus 3 and braking
Disk 4 can cooperate.
The bogie that the present embodiment provides, by setting steel pipe and two supporting plates in the blade assemblies of secondary suspension device
Beam, the both ends of steel pipe are respectively welded on two supporting plate beams, and the protecting seat of spring assembly is welded on the upper surface of supporting plate beam, with
The stress part of protecting seat and supporting plate beam weld is transferred to steel pipe and supporting plate beam weld, so as to reduce protecting seat and supporting plate
The stress concentration of beam weld, improve the life-span of secondary suspension device, and then improve the life-span of bogie.Meanwhile by making
Adjustment structure is formed between the solder side of dynamic flap seat and framework, the distance between flap seat and truck transom are braked with adjustment, realized
The cooperation of brake apparatus and brake disc, there is provided the versatility of bogie.
Fig. 9 is the structural representation that structure is adjusted in Fig. 8.Adjust structure 24 can be trapezoidal raised (not shown) and with
The trapezoidal groove (not shown) of the trapezoidal male cooperation；Or as shown in figure 9, adjustment structure 24 can be stepped raised 241
And the cascade groove 242 with stepped raised 241 cooperation.
Specifically, the achievable mode of adjustment structure 24 can have a variety of, for example, adjustment structure 24 can be trapezoidal projection
And trapezoidal groove.For the ease of adjustment, trapezoidal raised and trapezoidal groove can first reserve certain processing capacity when processing.It is actual
, can be trapezoidal raised to reduce by trapezoidal raised removal part according to the distance between brake apparatus 3 and brake disc 4 during adjustment
Highly, or deepen trapezoidal groove depth.For stepped raised 241 and cascade groove 242, can also first reserve necessarily
Processing capacity.During adjustment, top or one or several ladders in side can be removed to reach the purpose of adjustment spacing.Trapezoidal projection,
Trapezoidal groove, stepped raised 241 and the size of cascade groove 242 can be configured according to actual conditions, stepped
The ladder quantity of projection 241 and cascade groove 242 can be configured according to actual conditions, be not specifically limited herein.
It is trapezoidal raised or stepped in order to realize adjustment braking flap seat 23 and the purpose of the distance of crossbeam 22 in the present embodiment
Projection 241 can be arranged on braking flap seat 23, and accordingly, trapezoidal groove or cascade groove 242 can be arranged in pedestal
On 221；It is accordingly, trapezoidal raised or stepped convex or trapezoidal groove or cascade groove 242 are arranged on braking flap seat 23
241 are played to be arranged on pedestal 221.
The present embodiment also provides a kind of rail vehicle, including vehicle body and bogie as described above, bogie are connected to
On vehicle body.
Specifically, vehicle body can be the body structure of the wild trajectory vehicle of prior art, be not specifically limited herein.This
The 26S Proteasome Structure and Function of bogie is same as the previously described embodiments in embodiment, will not be repeated here.
The rail vehicle that the present embodiment provides in the blade assemblies of the secondary suspension device of bogie by setting steel pipe
With two supporting plate beams, the both ends of steel pipe are respectively welded on two supporting plate beams, and the protecting seat of spring assembly is welded on supporting plate beam
On upper surface, the stress part of protecting seat and supporting plate beam weld is transferred to steel pipe and supporting plate beam weld, so as to reduce
The stress concentration of protecting seat and supporting plate beam weld, improve the life-span of secondary suspension device, and then improve the life-span of rail vehicle.
Meanwhile by forming adjustment structure between the braking flap seat of bogie and the solder side of framework, with adjustment braking flap seat and structure
The distance between frame crossbeam, realize the cooperation of brake apparatus and brake disc, there is provided the versatility of bogie, reduce railcar
Cost.
The terms such as " installation ", " connection " are broadly understood, for example, " connection " can be fixedly connected or can
Dismantling connection, or be integrally connected.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
Concrete meaning of the language in the utility model.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
- A kind of 1. secondary suspension device, it is characterised in that including：Blade assemblies, including：Two supporting plate beams, steel pipe and pull bar, described two supporting plate Liangpings between-line spacing is set, and the support Bottom of the front-end and back-end of plate-girder respectively with a pull bar is rotatably connected, and the top of the pull bar is used for and framework Curb girder is rotatably connected, and the both ends of the steel pipe are respectively welded on two supporting plate beams；Two spring assemblies, the spring assembly include spring and protecting seat, and the lower surface of the spring is fixed on the protection In the mating groove at seat top, the bottom of the protecting seat is welded on the upper surface of the supporting plate beam.
- 2. secondary suspension device according to claim 1, it is characterised in that the supporting plate beam includes：Body；The protection The bottom of seat is welded with the upper surface of the body, and the medial surface of the body extends to be formed toward supporting plate beam direction another described There is connecting portion, the steel pipe welds with the connecting portion.
- 3. secondary suspension device according to claim 2, it is characterised in thatThe body is two, and the front end of one of them body and the rear end of body another described weld together；The steel pipe is two and be arranged in parallel；The connecting portion welding that two steel pipes are formed with two bodies respectively.
- 4. secondary suspension device according to claim 2, it is characterised in that the joint face of the body and the connecting portion For cambered surface.
- 5. secondary suspension device according to claim 4, it is characterised in that the connecting portion is formed with circular hole, the steel Pipe is inserted in the circular hole and welded together with the hole wall of the circular hole；OrFor the connecting portion formed with cylindrical bump, the raised insertion steel pipe is interior and is welded on the tube wall of the steel pipe Together.
- 6. according to the secondary suspension device described in claim any one of 1-5, it is characterised in that the rear and front end of the supporting plate beam A connector is respectively welded with, is set on the connector formed with round bar portion, the bottom of the pull bar in the round bar portion.
- A kind of 7. bogie, it is characterised in that including：Framework, braking flap seat and as described in claim any one of 1-6 two It is suspension arrangement；The framework includes two curb girders and two crossbeams；Described two curb girders be arranged in parallel, and two crossbeams be arranged in parallel Between two curb girders, and the curb girder is set with the beam vertical；The both ends of the crossbeam respectively with described in two Curb girder is fixed；The junction of the curb girder and the crossbeam is upwardly formed for the pull bar with the secondary suspension device The suspension part of rotation connection；It is welded on the crossbeam formed with pedestal, the braking flap seat on the pedestal；The pedestal and the braking flap seat Solder side formed with for adjust it is described braking flap seat relative to the crossbeam spacing adjustment structure.
- 8. bogie according to claim 7, it is characterised in thatThe adjustment structure is the trapezoidal raised and trapezoidal groove with the trapezoidal male cooperation；OrThe adjustment structure is the stepped raised and cascade groove with the stepped male cooperation.
- 9. bogie according to claim 8, it is characterised in thatDescribed trapezoidal raised or described stepped projection is arranged on the braking flap seat, accordingly, the trapezoidal groove or institute Cascade groove is stated to be arranged on the pedestal；OrThe trapezoidal groove or the cascade groove are arranged on the braking flap seat, accordingly, the trapezoidal raised or rank Scalariform projection is arranged on the pedestal.
- 10. a kind of rail vehicle, it is characterised in that the bogie including vehicle body and as described in claim any one of 7-9, institute Bogie is stated to be connected on the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720856951.8U CN206954238U (en) | 2017-07-14 | 2017-07-14 | Secondary suspension device, bogie and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720856951.8U CN206954238U (en) | 2017-07-14 | 2017-07-14 | Secondary suspension device, bogie and rail vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN206954238U true CN206954238U (en) | 2018-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720856951.8U Active CN206954238U (en) | 2017-07-14 | 2017-07-14 | Secondary suspension device, bogie and rail vehicle |
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| Country | Link |
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| CN (1) | CN206954238U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020103016A1 (en) * | 2018-11-19 | 2020-05-28 | 中车唐山机车车辆有限公司 | Bogie and rail vehicle |
-
2017
- 2017-07-14 CN CN201720856951.8U patent/CN206954238U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020103016A1 (en) * | 2018-11-19 | 2020-05-28 | 中车唐山机车车辆有限公司 | Bogie and rail vehicle |
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