CN109204346A - For the lower articulated mounting of rail vehicle and with its rail vehicle - Google Patents
For the lower articulated mounting of rail vehicle and with its rail vehicle Download PDFInfo
- Publication number
- CN109204346A CN109204346A CN201710525295.8A CN201710525295A CN109204346A CN 109204346 A CN109204346 A CN 109204346A CN 201710525295 A CN201710525295 A CN 201710525295A CN 109204346 A CN109204346 A CN 109204346A
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- CN
- China
- Prior art keywords
- bearing
- articulated mounting
- rail vehicle
- lower articulated
- fixing seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
Abstract
The invention discloses a kind of lower articulated mounting for rail vehicle and with its rail vehicle, lower articulated mounting includes: fixing seat；Bearing block, bearing block are extend into fixing seat；Fitted bearing, fitted bearing and bearing block cooperate to be located in bearing block；Jackshaft, jackshaft includes two hollow connectors, two connectors are arranged setting on the axial direction of fitted bearing, it is equipped with through hole on the end face toward each other of two connectors and is equipped with pilot hole on end face away from each other, each connector cooperates with fitted bearing and fixing seat respectively；Fastening assembly, fastening assembly are each passed through two through holes and with two connector cooperations two connectors to be located in fixing seat.Lower articulated mounting of the invention, can reduce the quality of jackshaft, be conducive to the whole lightweight of lower articulated mounting, while can reduce manufacturing cost, convenient for lower articulated mounting is opened and inspect, replaced and repaired.
Description
Technical field
The present invention relates to technical field of rail traffic more particularly to a kind of lower articulated mounting for rail vehicle and have
Its rail vehicle.
Background technique
The lower articulated mounting quality of the relevant technologies is big, is unfavorable for the lightweight of single unit system, while manufacturing cost is high, tears open
Inspection, replacement and maintenance are inconvenient.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of use
In the lower articulated mounting of rail vehicle, the quality of jackshaft can reduce, be conducive to the whole lightweight of lower articulated mounting, simultaneously
Manufacturing cost can be reduced, convenient for lower articulated mounting is opened and inspect, replaced and repaired.
The present invention also proposes a kind of rail vehicle, including above-mentioned lower articulated mounting.
Lower articulated mounting according to an embodiment of the present invention for rail vehicle, the rail vehicle include multiple car bodies,
The lower articulated mounting includes: fixing seat, and the fixing seat is connected with one in two adjacent car bodies；Bearing block,
The bearing block is connected with another in two adjacent car bodies, and the bearing block is extend into the fixing seat；Match
Sympodium is held, and the fitted bearing and the bearing block cooperate to be located in the bearing block；Jackshaft, the jackshaft include two
A hollow connector, described two connectors are arranged setting on the axial direction of the fitted bearing, described two connections
It is equipped with through hole on the end face toward each other of body and is equipped with pilot hole, each connector on end face away from each other
Cooperate respectively with the fitted bearing and the fixing seat；Fastening assembly, the fastening assembly be each passed through two described in run through
Hole and with described two connectors cooperate with by described two connectors positioning on the fixing seat.
Lower articulated mounting according to an embodiment of the present invention, by making jackshaft include two hollow connectors, setting two
The specific structure of a connector and mutual fit system, setting connector cooperate with fitted bearing and fixing seat respectively,
So as to reduce the quality of jackshaft, be conducive to the whole lightweight of lower articulated mounting, while manufacturing cost can be reduced, just
It opened and inspect, replaced and is repaired in lower articulated mounting.
According to some embodiments of the present invention, the opposing end surface of the fixing seat is equipped with mating groove, described two companies
Junctor is respectively equipped with the first raised line extending into the mating groove.To make the fit system of each connector and fixing seat
Simply, it while is securely positioned in jackshaft in fixing seat, can be improved the stability and reliability of lower articulated mounting.
Specifically, the fitted bearing includes: bearing inner race, and the bearing inner race housing is on the jackshaft；Bearing
Outer ring, the bearing outer ring are engaged with the bearing block, and the bearing outer ring housing is on the bearing inner race, the axis
It is free to rotate to hold the relatively described bearing outer ring of inner ring；Wearing layer, the wearing layer are located at the bearing inner race and the bearing
Between outer ring and it is attached on the inner wall of the bearing outer ring；Multiple sealing rings, each sealing ring housing is in the bearing
On outer ring and it is fixed on the bearing inner race.To be conducive to the service life for improving fitted bearing, guarantee lower articulated mounting
Reliability, make lower articulated mounting open and inspect, replace and repair it is more convenient.
Specifically, the bearing block includes: pedestal, and the pedestal is equipped with multiple first fixation holes；First lug boss, institute
It states the first lug boss and sets on the base and be equipped in first lug boss mounting hole for installing the fitted bearing,
The inner wall of the mounting hole is equipped with the second raised line of annular, and a side end face of first lug boss, which is equipped with, surrounds the peace
The card slot of hole setting is filled, the card slot is connected to the mounting hole, and the fitted bearing is located at second raised line and the card
Between slot；Circlip, the circlip and the card slot are interference fitted and a part of the circlip is only against institute
It states on the end face of fitted bearing.Connected so as to which fastening assembly is passed through multiple first fixation holes with fixing pedestal and car body
It connects, and then makes bearing block and car body stable connection, connection type is simple, while being easily installed and dismantling.In addition guarantee fitted shaft
It holds and is firmly located in bearing block, avoid fitted bearing and bearing block to be detached to a certain extent and cooperate, and then improve lower hinge
The reliability of connection device.
Specifically, the fixing seat includes: substrate, and the substrate is equipped with multiple second fixation holes；Two second protrusions
Portion, described two second lug bosses interval are set on the substrate, the bearing block extend into described two second lug bosses it
Between, each second lug boss is equipped with the axis hole for cooperating with the jackshaft.So as to which fastening assembly is passed through
Multiple second fixation holes make fixing seat and car body stable connection so that substrate to be fixedly connected with the vehicle body, and connection type is simple,
It is easily installed and dismantles simultaneously.Simultaneously it is found that each connector passes through axis hole to cooperate with fixing seat, fit system is simple.
According to some embodiments of the present invention, each connector includes the first linkage section and the second linkage section, described
The diameter of first linkage section is less than the diameter of second linkage section, and the inner wall of first linkage section and the fitted bearing is matched
It closes, second linkage section and the fixing seat cooperate.And can guarantee the relative position of fitted bearing Yu each connector, it mentions
The reliability of relative superiority or inferiority articulated mounting.
Optionally, the fitted bearing is self-lubricating plain radial bearing.To make fixing seat and bearing block can be opposite
The range of rotation is bigger, improves the flexibility of fitted bearing, improves the application range of lower articulated mounting.
Further, the open at one end of each connector is to limit the pilot hole.So as to further
The quality for reducing jackshaft makes the entirety more lightweight of lower articulated mounting, reduces the manufacturing cost of lower articulated mounting.
Specifically, the fastening assembly includes screw bolt and nut.It follows that the structure of fastening assembly is simple, it is at low cost,
Performance is stablized, to advantageously reduce the manufacturing cost of lower articulated mounting, improves the reliability of lower articulated mounting.
Rail vehicle according to an embodiment of the present invention, including car body and lower hinged dress according to the above embodiment of the present invention
It sets.
Rail vehicle according to an embodiment of the present invention, by the way that lower articulated mounting according to the above embodiment of the present invention is arranged,
So as to reduce the quality of jackshaft, is conducive to the whole lightweight of lower articulated mounting, reduces manufacturing cost, convenient for lower hinge
Connection device is opened and inspect, replaced and is repaired.Most longitudinal force and cross force can be transmitted simultaneously, and then transports rail vehicle
Row is safe and reliable, meets the demands such as big load, track route sweep is small, the gradient is big.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the schematic diagram of lower articulated mounting according to an embodiment of the present invention；
Fig. 2 is the sectional view in the direction A-A in Fig. 1；
Fig. 3 is the schematic diagram of connector according to an embodiment of the present invention；
Fig. 4 is the schematic diagram of bearing block according to an embodiment of the present invention；
Fig. 5 is the schematic diagram of fixing seat according to an embodiment of the present invention.
Appended drawing reference:
Lower articulated mounting 100；
Fixing seat 1；Substrate 11；Second fixation hole 111；Second lug boss 12；Mating groove 121；Axis hole 122；
Bearing block 2；Pedestal 21；First fixation hole 211；First lug boss 22；Mounting hole 221；Second raised line 222；
Card slot 223；
Fitted bearing 3；Bearing inner race 31；Bearing outer ring 32；Wearing layer 33；Sealing ring 34；
Jackshaft 4；Connector 41；Pilot hole 411；Through hole 412；First raised line 413；Straightway 413a；
Segmental arc 413b；First linkage section 414；Second linkage section 415；
Fastening assembly 5；Bolt 51；Nut 52；
Fastener 6.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "bottom", "inner",
The orientation or positional relationship of the instructions such as "outside", " axial direction " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.In addition, defining the spy of " first ", " second "
Sign can explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated,
The meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The lower articulated mounting 100 according to an embodiment of the present invention for rail vehicle, track are described below with reference to Fig. 1-Fig. 5
Vehicle (not shown go out) includes multiple car bodies (not shown go out).
As Figure 1-Figure 5, lower articulated mounting 100 according to an embodiment of the present invention, comprising: fixing seat 1, is matched at bearing block 2
Sympodium holds 3, jackshaft 4 and fastening assembly 5.
Fixing seat 1 is connected with one in two adjacent car bodies, another in bearing block 2 and two adjacent car bodies
It is connected, bearing block 2 is extend into fixing seat 1, and fitted bearing 3 and bearing block 2 cooperate to be located in bearing block 2.
Jackshaft 4 includes two hollow connectors 41, and two connectors 41 are arranged on the axial direction of fitted bearing 3
It is arranged, through hole 412 is equipped on the end face toward each other of two connectors 41 and is equipped with dress on end face away from each other
Distribution 411, each connector 41 cooperate with fitted bearing 3 and fixing seat 1 respectively.It follows that jackshaft 4 passes through the cooperation
Bearing 3 and cooperate with fixing seat 1, and then can realize being connected for fixing seat 1 and bearing block 2, two adjacent car bodies can be realized
Between connection.The structure setting of two hollow connectors 41 simultaneously, can reduce the quality of jackshaft 4, and then be conducive to
The whole lightweight of lower articulated mounting 100.The manufacturing cost of lower articulated mounting 100 can be reduced simultaneously.
Fastening assembly 5 is each passed through two through holes 412 and with two cooperations of connector 41 to determine two connectors 41
Position is in fixing seat 1.It follows that fastening assembly 5 extend into each connector by the pilot hole 411 on each connector 41
In 41, then fastening assembly 5 passes through two through holes 412 so that two 41 secure fits of connector, and then makes two connectors
Mode is fastenedly connected simply, reliably between 41, while convenient for lower articulated mounting 100 is opened and inspect, replaced and repaired.Simultaneously
It is found that two connectors 41 can be located in fixing seat 1 under the action of fastening assembly 5 relatively solid to limit jackshaft 4
The movement of reservation 1 to allow lower articulated mounting 100 connecting two adjacent rigidity of vehicle body, and then makes two
Car body can relatively rotate in a certain range under the action of lower articulated mounting 100.
The lower articulated mounting 100 of the embodiment of the present invention can rail vehicle run when, transmit most longitudinal force and
Cross force, and then keep rail vehicle safe and reliable to operation, big load, the track route sweep for meeting rail vehicle be small, slope
Spend the demands such as big.
Lower articulated mounting 100 according to an embodiment of the present invention, by making jackshaft 4 include two hollow connectors 41,
The specific structure and mutual fit system of two connectors 41 be set, setting connector 41 respectively with fitted bearing 3 and
Fixing seat 1 cooperates, and so as to reduce the quality of jackshaft 4, is conducive to the whole lightweight of lower articulated mounting 100, while can
To reduce manufacturing cost, convenient for lower articulated mounting 100 is opened and inspect, replaced and is repaired.
As shown in Fig. 2, Fig. 3 and Fig. 5, according to some embodiments of the present invention, the opposing end surface of fixing seat 1 is equipped with cooperation
Groove 121, two connectors 41 are respectively equipped with the first raised line 413 extending into mating groove 121.To make each connector
41 is simple with the fit system of fixing seat 1, while is securely positioned in jackshaft 4 in fixing seat 1, can be improved lower hinged dress
Set 100 stability and reliability.
Specifically, as shown in Figures 2 and 3, the periphery wall of the first raised line 413 includes straightway 413a and segmental arc 413b,
First raised line 413 cooperates with mating groove 121 the first raised line 413 to be located in mating groove 121.In avoiding
Between the relatively fixed seat 1 of axis 4 rotate, further guarantee that jackshaft 4 can be securely positioned in fixing seat 1, further
Improve the stability and reliability of lower articulated mounting 100 in ground.
As shown in Fig. 2, according to some embodiments of the present invention, fitted bearing 3 include: bearing inner race 31, bearing outer ring 32,
Wearing layer 33 and multiple sealing rings 34.
Specifically, 31 housing of bearing inner race is on jackshaft 4, and bearing outer ring 32 is engaged with bearing block 2, bearing outer ring
For 32 housings on bearing inner race 31, bearing inner race 31 is free to rotate with respect to bearing outer ring 32.Wearing layer 33 is located at bearing inner race
Between 31 and bearing outer ring 32 and it is attached on the inner wall of bearing outer ring 32.To make fixing seat 1 and bearing block 2 can be in certain model
It relatively rotates in enclosing, i.e., two adjacent car bodies can relatively rotate in a certain range, ensure that lower articulated mounting
100 reliability.Simultaneously it is found that the setting of wearing layer 33 can be improved the wearability of fitted bearing 3, improve to a certain extent
The service life of fitted bearing 3.
Each 34 housing of sealing ring is on bearing outer ring 32 and is fixed on bearing inner race 31.So as to avoid dust,
The impurity such as clast enter in fitted bearing 3, prevent the outflow of lubrication oil in fitted bearing 3, make the leakproofness of fitted bearing 3 and prevent
Dirt is good, non-maintaining, improves lubricant effect.It can guarantee the normal rotation of fitted bearing 3 simultaneously, improve the spirit of fitted bearing 3
Activity, so as to extend the service life of fitted bearing 3.In rail vehicle operation, make an uproar caused by lower articulated mounting 100
Sound is small.
The fitted bearing 3 that the lower articulated mounting 100 of the embodiment of the present invention is arranged can individually set to avoid lower articulated mounting 100
Set sealing ring 34, thus make lower articulated mounting 100 open and inspect, replace and repair it is more convenient.
As shown in Figure 1, Figure 2 and Figure 4, according to some embodiments of the present invention, bearing block 2 includes the 21, first protrusion of pedestal
Portion 22 and circlip (not shown go out).
Pedestal 21 is equipped with multiple first fixation holes 211.So as to which fastener 6 is passed through multiple first fixation holes 211
Pedestal 21 to be fixedly connected with the vehicle body, and then make bearing block 2 and car body stable connection, connection type is simple, while convenient for peace
Assembly and disassembly.It is understood that the number of the first fixation hole 211 can be set according to actual needs, as long as guaranteeing bearing
Seat 2 is capable of fixing connection and stable connection with car body.
First lug boss 22 is located on pedestal 21 and is equipped with the mounting hole for installing fitted bearing 3 in the first lug boss 22
221, the inner wall of mounting hole 221 is equipped with the second raised line 222 of annular, and a side end face of the first lug boss 22 is equipped with around peace
The card slot 223 that hole 221 is arranged is filled, card slot 223 is connected to mounting hole 221, and fitted bearing 3 is located at the second raised line 222 and card slot 223
Between.Circlip and card slot 223 are interference fitted and a part of circlip is only against on the end face of fitted bearing 3.To
It can guarantee that fitted bearing 3 is firmly located in bearing block 2, avoid fitted bearing 3 to be detached from bearing block 2 to a certain extent and match
It closes, and then improves the reliability of lower articulated mounting 100.
As shown in Figure 1, Figure 2 and shown in Fig. 5, according to some embodiments of the present invention, fixing seat 1 includes substrate 11 and two second
Lug boss 12.
Substrate 11 is equipped with multiple second fixation holes 111.So as to which fastener 6 is passed through multiple second fixation holes 111
Substrate 11 to be fixedly connected with the vehicle body, and then make fixing seat 1 and car body stable connection, connection type is simple, while convenient for peace
Assembly and disassembly.It is understood that the number of the second fixation hole 111 can be set according to actual needs, as long as guaranteeing to fix
Seat 1 is capable of fixing connection and stable connection with car body.
Two the second lug boss 12 intervals are set on the substrate 11, and bearing block 2 is extend between two the second lug bosses 12.From
And rotation slot is defined between two the second lug bosses 12, so that bearing block 2 is rotated in rotation slot.
Each second lug boss 12 is equipped with the axis hole 122 for cooperating with jackshaft 4.It follows that each connector
41 pass through axis hole 122 to cooperate with fixing seat 1, and fit system is simple.
As shown in Figures 2 and 3, according to some embodiments of the present invention, each connector 41 includes 414 He of the first linkage section
Second linkage section 415, the diameter of the diameter of the first linkage section 414 less than the second linkage section 415, the first linkage section 414 and cooperation
The inner wall of bearing 3 cooperates, and the second linkage section 415 cooperates with fixing seat 1.So as to guarantee fitted bearing 3 and each connector
The reliability of lower articulated mounting 100 is improved in 41 relative position.
Optionally, the junction of the first linkage section 414 and the second linkage section 415 is equipped with chamfering.Consequently facilitating fitted bearing 3
With the assembly of each connector 41, the intensity of connector 41 is improved to a certain extent.Preferably, chamfering is 0.5 °.To make
The simple structure and convenient processing of connector 41.
Optionally, fitted bearing 3 is self-lubricating plain radial bearing.To make opposite can turning for fixing seat 1 and bearing block 2
Dynamic range is bigger, improves the flexibility of fitted bearing 3, improves the application range of lower articulated mounting 100.
Further, the open at one end of each connector 41 is to limit pilot hole 411.So as to further reduce
The quality of jackshaft 4 makes the entirety more lightweight of lower articulated mounting 100, reduces the manufacturing cost of lower articulated mounting 100.
Specifically, fastening assembly 5 includes bolt 51 and nut 52.It follows that the structure of fastening assembly 5 is simple, cost
Low, performance is stablized, to advantageously reduce the manufacturing cost of lower articulated mounting 100, improves the reliability of lower articulated mounting 100.
Optionally, two connectors 41 are spaced setting on the axial direction of fitted bearing 3.So as to further subtract
The quality of small jackshaft 4 makes the entirety more lightweight of lower articulated mounting 100.
Rail vehicle according to an embodiment of the present invention, including car body and lower articulated mounting according to the above embodiment of the present invention
100。
Rail vehicle according to an embodiment of the present invention, by the way that lower articulated mounting according to the above embodiment of the present invention is arranged
100, so as to reduce the quality of jackshaft 4, be conducive to the whole lightweight of lower articulated mounting 100, reduce manufacturing cost, just
It opened and inspect, replaced and is repaired in lower articulated mounting 100.Most longitudinal force and cross force can be transmitted simultaneously, in turn
Keep rail vehicle safe and reliable to operation, meets the demands such as big load, track route sweep is small, the gradient is big.
Below with reference to Fig. 1-Fig. 5 to the lower articulated mounting for rail vehicle accord to a specific embodiment of that present invention
100 structure is described in detail, and wherein rail vehicle includes multiple car bodies.It should be understood that following explanations is only
With exemplary, those of ordinary skill is after having read following technical proposals of the invention, it is clear that can be to technology therein
Scheme or some technical characteristics are combined or replace, modify, this also falls within protection scope of the presently claimed invention.
As Figure 1-Figure 5, lower articulated mounting 100 includes: fixing seat 1, bearing block 2, fitted bearing 3, jackshaft 4 and tight
Gu component 5.
Specifically, fixing seat 1 is connected with one in two adjacent car bodies, fixing seat 1 includes substrate 11 and two
Second lug boss 12.Substrate 11 is equipped with eight the second fixation holes 111, and fastener 6 is passed through eight the second fixation holes 111 to incite somebody to action
Substrate 11 is fixedly connected with the vehicle body.Two the second lug bosses 12 interval is set on the substrate 11, bearing block 2 extend into two it is second convex
It rises between portion 12.Each second lug boss 12 is equipped with the axis hole 122 for cooperating with jackshaft 4.
Bearing block 2 is connected with another in two adjacent car bodies, and bearing block 2 includes pedestal 21, the first lug boss 22
And circlip.Pedestal 21 is equipped with eight the first fixation holes 211, and fastener 6 is passed through eight the first fixation holes 211 with the bottom of by
Seat 21 is fixedly connected with the vehicle body.First lug boss 22 is located on pedestal 21 and is equipped in the first lug boss 22 for installing fitted shaft
3 mounting hole 221 is held, the inner wall of mounting hole 221 is equipped with the second raised line 222 of annular, a side end face of the first lug boss 22
It is equipped with the card slot 223 being arranged around mounting hole 221, card slot 223 is connected to mounting hole 221, and fitted bearing 3 is located at the second raised line
Between 222 and card slot 223.Circlip and card slot 223 are interference fitted and a part of circlip is only against fitted bearing 3
On end face.
Fitted bearing 3 and bearing block 2 cooperate to be located in bearing block 2, and fitted bearing 3 is self-lubricating plain radial bearing,
Specifically, fitted bearing 3 includes: bearing inner race 31, bearing outer ring 32, wearing layer 33 and two sealing rings 34.Wherein, in bearing
31 housings are enclosed on jackshaft 4, bearing outer ring 32 is engaged with bearing block 2,32 housing of bearing outer ring on bearing inner race 31,
Bearing inner race 31 is free to rotate with respect to bearing outer ring 32.Wearing layer 33 is between bearing inner race 31 and bearing outer ring 32 and attached
On the inner wall of bearing outer ring 32.Housing on bearing outer ring 32 and is fixed on bearing inner race 31 to each sealing ring 34 respectively
On.Two sealing rings 34 are separately fixed at the upper and lower ends of bearing inner race 31.
Jackshaft 4 includes two hollow connectors 41, and two connectors 41 are spaced on the axial direction of fitted bearing 3
Arrangement setting, through hole 412 is equipped on the end face toward each other of two connectors 41 and end face away from each other open wide with
Pilot hole 411 is limited, each connector 41 cooperates with fitted bearing 3 and fixing seat 1 respectively.
Each connector 41 includes the first linkage section 414 and the second linkage section 415, and the diameter of the first linkage section 414 is less than
The inner wall of the diameter of second linkage section 415, the first linkage section 414 and fitted bearing 3 cooperates, the second linkage section 415 and fixing seat 1
Cooperation.The junction of first linkage section 414 and the second linkage section 415 is equipped with chamfering, and chamfering is 0.5 °.
The opposing end surface of fixing seat 1 is equipped with mating groove 121, is respectively equipped with the first raised line 413 on two connectors 41,
The periphery wall of first raised line 413 includes straightway 413a and segmental arc 413b, the first raised line 413 and mating groove 121 cooperate with
It extend into mating groove 121 and is positioned.
Fastening assembly 5 include bolt 51 and nut 52, fastening assembly 5 be each passed through two through holes 412 and with two companies
Junctor 41 cooperates so that two connectors 41 to be located in fixing seat 1.That is, bolt 51 passes through on each connector 41
Pilot hole 411 is extend into each connector 41, and then nut 52 and bolt 51 are located at the cooperation of the part in connector 41 to incite somebody to action
Two connectors 41 are fixed in fixing seat 1.
Other of lower articulated mounting 100 according to an embodiment of the present invention are constituted and are operated for ordinary skill people
Member for be all it is known, be not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of lower articulated mounting for rail vehicle, the rail vehicle include multiple car bodies, which is characterized in that under described
Articulated mounting includes:
Fixing seat, the fixing seat are connected with one in two adjacent car bodies；
Bearing block, the bearing block are connected with another in two adjacent car bodies, and the bearing block extend into described
In fixing seat；
Fitted bearing, the fitted bearing and the bearing block cooperate to be located in the bearing block；
Jackshaft, the jackshaft include two hollow connectors, axial direction of described two connectors in the fitted bearing
It arranges and is arranged on direction, be equipped with through hole on the end face toward each other of described two connectors and in end face away from each other
It is equipped with pilot hole, each connector cooperates with the fitted bearing and the fixing seat respectively；
Fastening assembly, the fastening assembly are each passed through two through holes and cooperate with described two connectors with will be described
Two connector positioning are on the fixing seat.
2. the lower articulated mounting according to claim 1 for rail vehicle, which is characterized in that the fixing seat it is opposite
End face is equipped with mating groove, and described two connectors are respectively equipped with the first raised line extending into the mating groove.
3. the lower articulated mounting according to claim 1 for rail vehicle, which is characterized in that the fitted shaft is contracted
It includes:
Bearing inner race, the bearing inner race housing is on the jackshaft；
Bearing outer ring, the bearing outer ring are engaged with the bearing block, and the bearing outer ring housing is in the bearing inner race
On, the relatively described bearing outer ring of the bearing inner race is free to rotate；
Wearing layer, the wearing layer is between the bearing inner race and the bearing outer ring and is attached to the bearing outer ring
On inner wall；
Multiple sealing rings, each sealing ring housing is on the bearing outer ring and is fixed on the bearing inner race.
4. the lower articulated mounting according to claim 1 for rail vehicle, which is characterized in that the bearing block includes:
Pedestal, the pedestal are equipped with multiple first fixation holes；
First lug boss, first lug boss set on the base and are equipped in first lug boss described for installing
The mounting hole of fitted bearing, the inner wall of the mounting hole are equipped with the second raised line of annular, a side of first lug boss
Face is equipped with the card slot around mounting hole setting, and the card slot is connected to the mounting hole, and the fitted bearing is located at institute
It states between the second raised line and the card slot；
Circlip, the circlip is interference fitted with the card slot and a part of the circlip is only against described match
On the end face that sympodium is held.
5. the lower articulated mounting according to claim 1 for rail vehicle, which is characterized in that the fixing seat includes:
Substrate, the substrate are equipped with multiple second fixation holes；
Two the second lug bosses, described two second lug bosses interval are set on the substrate, and the bearing block extend into described
Between two the second lug bosses, each second lug boss is equipped with the axis hole for cooperating with the jackshaft.
6. the lower articulated mounting according to claim 1 for rail vehicle, which is characterized in that each connector packet
Including the first linkage section and the second linkage section, the diameter of first linkage section is less than the diameter of second linkage section, and described the
The inner wall of one linkage section and the fitted bearing cooperates, and second linkage section and the fixing seat cooperate.
7. the lower articulated mounting according to claim 1 for rail vehicle, which is characterized in that the fitted bearing is certainly
Lubricate plain radial bearing.
8. the lower articulated mounting according to claim 1 for rail vehicle, which is characterized in that each connector
Open at one end is to limit the pilot hole.
9. the lower articulated mounting according to claim 1 for rail vehicle, which is characterized in that the fastening assembly includes
Screw bolt and nut.
10. a kind of rail vehicle, which is characterized in that including car body and according to claim 1 to 9 lower hinged
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525295.8A CN109204346B (en) | 2017-06-30 | 2017-06-30 | Lower hinge device for railway vehicle and railway vehicle with lower hinge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525295.8A CN109204346B (en) | 2017-06-30 | 2017-06-30 | Lower hinge device for railway vehicle and railway vehicle with lower hinge device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109204346A true CN109204346A (en) | 2019-01-15 |
| CN109204346B CN109204346B (en) | 2020-11-20 |
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ID=64977227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710525295.8A Active CN109204346B (en) | 2017-06-30 | 2017-06-30 | Lower hinge device for railway vehicle and railway vehicle with lower hinge device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109204346B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2049274C1 (en) * | 1992-06-29 | 1995-11-27 | Алексей Андреевич Бутаков | Pivot |
| CN201009892Y (en) * | 2006-12-06 | 2008-01-23 | 湘潭电机股份有限公司 | Lower hinge device in low floor light railway vehicle hinge |
| CN201442584U (en) * | 2009-06-30 | 2010-04-28 | 中国北车集团大连机车研究所有限公司 | Elastic hinging device for hinging urban low-floor railway vehicles |
| CN201488553U (en) * | 2009-08-31 | 2010-05-26 | 宝山钢铁股份有限公司 | Turnover plate device for uniform distributing material of smelting furnace |
| CN101956757A (en) * | 2009-07-15 | 2011-01-26 | 鸿富锦精密工业（深圳）有限公司 | Hinging device |
| CN204801812U (en) * | 2015-07-27 | 2015-11-25 | 株洲九方制动设备有限公司 | Last articulated mounting of rail vehicle |
| CN204801815U (en) * | 2015-07-27 | 2015-11-25 | 株洲九方制动设备有限公司 | Articulated mounting under rail vehicle |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2049274C1 (en) * | 1992-06-29 | 1995-11-27 | Алексей Андреевич Бутаков | Pivot |
| CN201009892Y (en) * | 2006-12-06 | 2008-01-23 | 湘潭电机股份有限公司 | Lower hinge device in low floor light railway vehicle hinge |
| CN201442584U (en) * | 2009-06-30 | 2010-04-28 | 中国北车集团大连机车研究所有限公司 | Elastic hinging device for hinging urban low-floor railway vehicles |
| CN101956757A (en) * | 2009-07-15 | 2011-01-26 | 鸿富锦精密工业（深圳）有限公司 | Hinging device |
| CN201488553U (en) * | 2009-08-31 | 2010-05-26 | 宝山钢铁股份有限公司 | Turnover plate device for uniform distributing material of smelting furnace |
| CN204801812U (en) * | 2015-07-27 | 2015-11-25 | 株洲九方制动设备有限公司 | Last articulated mounting of rail vehicle |
| CN204801815U (en) * | 2015-07-27 | 2015-11-25 | 株洲九方制动设备有限公司 | Articulated mounting under rail vehicle |
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| Publication number | Publication date |
|---|---|
| CN109204346B (en) | 2020-11-20 |
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