CN207157217U - Bogie of car draw-gear and vehicle - Google Patents
Bogie of car draw-gear and vehicle Download PDFInfo
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- CN207157217U CN207157217U CN201720915751.5U CN201720915751U CN207157217U CN 207157217 U CN207157217 U CN 207157217U CN 201720915751 U CN201720915751 U CN 201720915751U CN 207157217 U CN207157217 U CN 207157217U
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- centrepin
- central pin
- pin bush
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Abstract
The utility model, which provides a kind of bogie of car draw-gear and vehicle, bogie of car draw-gear, to be included：Centrepin, central pin bush；The centrepin includes：For connecting portion, the fixed part for being fixedly connected with the vehicle body combined with the central pin bush；Wherein, the connecting portion of the centrepin is cylinder；The central pin bush is hollow structure, and the hollow wall of the central pin bush is cylinder；The connecting portion of the centrepin penetrates the hollow wall of the central pin bush, so that the centrepin is combined with the central pin bush.Bogie of car draw-gear and vehicle provided by the utility model can under conditions of without using special dismounting frock simple realization centrepin and central pin bush separation, improve operating efficiency simultaneously save human cost.
Description
Technical field
It the utility model is related to bogie of car technology, more particularly to a kind of bogie of car draw-gear and vehicle.
Background technology
The bogie of car is one of important part of vehicle, and wherein bogie of car draw-gear by car body and turns to
Frame is fastenedly connected, and transmits the longitudinal force between car body and bogie.As shown in figure 1, draw-gear mainly includes：Centrepin
Set 1, centrepin 2 and draw beam 3.The upper end of centrepin 2 is connected with car body by fastener, and the lower end of centrepin 2 is inserted into pressure
Dress is arranged in the central pin bush 1 in draw beam 3, and draw beam 3 is connected by drawing pull bar with bogie frame.
As seen from Figure 1, the endoporus of the central pin bush 1 of draw-gear is in back taper, and centrepin 2 is inserted into central pin bush 1
Part be also in back taper.The pyramidal structure that central pin bush 1 and centrepin 2 are engaged so that centrepin 2 needs with central pin bush 1
It is interference fitted, so that both are close together, it is very close to each other between the two, so as to ensure central pin bush in vehicle travel process
1 and centrepin 2 will not separate.But this fit structure of central pin bush 1 and centrepin 2 can cause centrepin 2 and center again
There is the phenomenon of " Zo is lived " in guide 1, prevents centrepin 2 with central pin bush 1 from easily separating.Therefore maintenance when or other needs
, it is necessary to realize point of centrepin 2 and central pin bush 1 by special dismounting frock during the situation that car body is separated with bogie
From operation element amount is big.
Therefore, a kind of bogie of car draw-gear and vehicle are needed badly, can be in the condition without using special dismounting frock
The separation of lower simple realization centrepin and central pin bush, improve operating efficiency and save human cost simultaneously.
Utility model content
The utility model provides a kind of bogie of car draw-gear and vehicle, to solve prior art center pin and center
The problem of guide can not be separated easily, realization can simply make centrepin with conditions of without using special dismounting frock
The separation of heart guide, improve operating efficiency and save human cost simultaneously.
The utility model provides a kind of bogie of car draw-gear on one side, including：Centrepin, central pin bush；
The centrepin includes：For combined with the central pin bush connecting portion, consolidate for what is be fixedly connected with the vehicle body
Determine portion；Wherein, the connecting portion of the centrepin is cylinder；
The central pin bush is hollow structure, and the hollow wall of the central pin bush is cylinder；
The connecting portion of the centrepin penetrates the hollow wall of the central pin bush so that the centrepin with it is described
Central pin bush combines.
In an embodiment of the present utility model, the connecting portion of above-mentioned centrepin is described hollow interior with the central pin bush
Coordinate between wall for gap.
In an embodiment of the present utility model, above-mentioned bogie of car draw-gear also includes：For turn with car body
The draw beam connected to frame；The central pin bush includes：Inner sleeve, overcoat；
The inner sleeve includes the hollow wall, and the overcoat is set on the outer surface of the inner sleeve；
The draw beam is hollow structure, and the overcoat is arranged in the hollow structure of the draw beam, and is led with described
Draw beam interference fit.
In an embodiment of the present utility model, the gap that above-mentioned gap coordinates is less than or equal to 1mm.
In an embodiment of the present utility model, the inner sleeve of above-mentioned central pin bush, the overcoat are metal material.
In an embodiment of the present utility model, above-mentioned central pin bush also includes：First bushing；First bushing is set
Between the inner sleeve and the centrepin, first bushing is nylon bush.
In an embodiment of the present utility model, above-mentioned central pin bush also includes：Second bushing；Second bushing is set
Between the inner sleeve and the overcoat, second bushing is rubber bushing.
In an embodiment of the present utility model, the connecting portion and the fixed part of above-mentioned centrepin are formed in one
Device.
In an embodiment of the present utility model, it is provided between the connecting portion and the fixed part of above-mentioned centrepin
Locating ring, so that the central pin bush contradicts the locating ring after being socketed in the connecting portion of the centrepin.
In an embodiment of the present utility model, above-mentioned bogie of car draw-gear also includes：At least one transverse direction is stopped
Block seat, on the outer surface for the fixed part that the horizontal stopping seat is uniformly arranged on the centrepin.
The utility model provides a kind of vehicle on the other hand, including：Car body, bogie；
Above-mentioned vehicle also includes at least one above-mentioned bogie of car draw-gear, the bogie of car draw-gear
It is arranged between the car body and the bogie.
As shown from the above technical solution, bogie of car draw-gear provided by the utility model includes：Centrepin, center
Guide；The centrepin includes：For combined with the central pin bush connecting portion, the fixation for being fixedly connected with the vehicle body
Portion；Wherein, the connecting portion of the centrepin is cylinder；The central pin bush is hollow structure, and in the central pin bush
Empty inwall is cylinder；The connecting portion of the centrepin penetrates the hollow wall of the central pin bush, so that the center
Pin is combined with the central pin bush.Bogie of car draw-gear and vehicle provided by the utility model can be without using special
The separation of simple realization centrepin and central pin bush under conditions of disassembling fixture, improve operating efficiency and save human cost simultaneously.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are
Some embodiments of the utility model, for those of ordinary skill in the art, do not paying the premise of creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of bogie of car draw-gear of the prior art；
Fig. 2 is a kind of half-sectional view for bogie of car draw-gear that the embodiment of the utility model one provides；
Fig. 3 is the structural representation of the central pin bush shown in Fig. 2；
Fig. 4 is the structural representation of the centrepin shown in Fig. 2；
Fig. 5 is the structural representation of the draw beam shown in Fig. 2；
Fig. 6 is stereogram of the bogie of car draw-gear shown in Fig. 2 at another visual angle.
Description of reference numerals：
10：Bogie of car draw-gear
11：Centrepin；
111：Connecting portion；
112：Fixed part；
113：Car body mounting interface；
114：Horizontal stopping seat；
115：Locating ring；
116：Bottom plate mounting interface；
117：First dowel hole；
12：Central pin bush；
121：Inner sleeve；
122：Overcoat；
123：Second bushing；
13：Draw beam；
131：Draw bar mounting seat；
132：Lift backstop；
133：Transverse damper mounting seat；
134：Draw bar；
14：First bushing；
15：Centrepin bottom plate；
16：Bed bolt；
17：Pad；
18：Wear piece；
19：Alignment pin.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Embodiment one
The present embodiment provides a kind of bogie of car draw-gear, as shown in Fig. 2 bogie of car draw-gear 10 wraps
Include：Centrepin 11 and central pin bush 12.Centrepin 11 includes：For the connecting portion 111 that is combined with central pin bush 12 and for
The fixed part 112 that car body is fixedly connected.Central pin bush 12 is hollow structure, and the hollow wall of central pin bush 12 is cylinder.
Meanwhile the connecting portion 111 of centrepin 11 is also cylinder, the connecting portion 111 of centrepin 11 penetrates the hollow interior of central pin bush 12
Wall, so that centrepin 11 is combined with central pin bush 12.Specifically, the connecting portion 111 of centrepin 11 and central pin bush 12 is hollow
Coordinate between inwall for gap.For example, the gap that the gap coordinates can be less than or equal to 1mm.
, can be with by setting small gap between the connecting portion 111 of centrepin 11 and the hollow wall of central pin bush 12
The separation of simple realization centrepin 11 and central pin bush 12 under conditions of without using special dismounting frock, it is same to improve operating efficiency
Shi Jieyue human costs.Meanwhile steering resistance square between bogie and car body can be reduced, make to delay to wheel during vehicle pass-through curve
The eccentric wear of wheel rim.
As an alternative embodiment, the bogie of car draw-gear 10 that the present embodiment provides can also include：
The draw beam 13 being connected for the bogie with car body.Accordingly, central pin bush 12 can also include：Inner sleeve 121 and overcoat
122.Specifically, draw beam 13 is hollow structure, the overcoat 122 of central pin bush 12 is arranged in the hollow structure of draw beam 13,
And it is interference fitted with draw beam 13.The inner sleeve 121 of central pin bush 12 includes above-mentioned hollow wall, and overcoat 122 is set in inner sleeve 121
Outer surface on.
With actual scene for example：In vehicle assembling process, the fixed part 112 of centrepin 11 is consolidated with car body crossbeam
Fixed connection, while draw beam 13 is connected with bogie frame.Because draw beam 13 is hollow structure, can be set in hollow structure
It is equipped with central pin bush 12.The overcoat 122 of central pin bush 12 is arranged in the hollow structure of draw beam 13, and with the interference of draw beam 13
Coordinate.Meanwhile the hollow wall of the inner sleeve 121 of central pin bush 12 is cylinder, the cylindrical connecting portion 111 of centrepin 11 can
To penetrate the hollow wall of central pin bush 12, so that centrepin 11 is combined with central pin bush 12.
Pass through above-mentioned mating connection, it is possible to achieve the connection of car body and bogie.And central pin bush 12 is matched somebody with somebody with interference
The mode of conjunction is fixed in draw beam 13, central pin bush 12 is not come off from draw beam 13.
Because centrepin 11 and central pin bush 12 are all metal materials, the two can produce when being in contact because of rotation and rub
Wiping and noise.Therefore, metal material can occur when contacting with central pin bush 12 in order to avoid centrepin 11 to contact with metal material
Abnormal sound, as an alternative embodiment, the central pin bush 12 in the present embodiment can also include：First bushing 14.The
Between the inner sleeve 121 and centrepin 11 of one bushing, 14 centrally disposed guide 12.Specifically, the first bushing 14 can be any one
The high elastomeric material of kind wearability, such as the first bushing 14 can be nylon bush.
With actual scene for example：In vehicle assembling process, the fixed part 112 of centrepin 11 is consolidated with car body crossbeam
Fixed connection, while draw beam 13 is connected with bogie frame.Because draw beam 13 is hollow structure, can be set in hollow structure
It is equipped with central pin bush 12.The overcoat 122 of central pin bush 12 is arranged in the hollow structure of draw beam 13, and with the interference of draw beam 13
Coordinate.Meanwhile the hollow wall of the inner sleeve 121 of central pin bush 12 is cylinder, 14 centrally disposed guide 12 of the first bushing
In inner sleeve, and it is interference fitted with the inner sleeve 121 of central pin bush 12.The cylindrical connecting portion 111 of centrepin 11 can penetrate
One bushing 14, so that centrepin 11 is combined with central pin bush 12.
Further, as shown in figure 3, the central pin bush 12 in the present embodiment can also include：Second bushing 123.Second
Bushing 123 is arranged between inner sleeve 121 and overcoat 122, and the second bushing 123 can be the high elastomeric material of any elasticity,
Such as second bushing 123 can be rubber bushing, inner sleeve 121 is integrated with overcoat 122 by rubber bushing vulcanization.
With actual scene for example：In vehicle assembling process, the fixed part 112 of centrepin 11 is consolidated with car body crossbeam
Fixed connection, while draw beam 13 is connected with bogie frame.Because draw beam 13 is hollow structure, can be set in hollow structure
It is equipped with central pin bush 12.Central pin bush 12 includes inner sleeve 121 and overcoat 122, and inner sleeve 121 passes through rubber bushing sulphur with overcoat 122
Turn to one.The overcoat 122 of central pin bush 12 is arranged in the hollow structure of draw beam 13, and is interference fitted with draw beam 13.
Meanwhile the hollow wall of the inner sleeve 121 of central pin bush 12 is cylinder, the inner sleeve of 14 centrally disposed guide 12 of the first bushing
In 121, and it is interference fitted with the inner sleeve 121 of central pin bush 12.The cylindrical connecting portion 111 of centrepin 11 can penetrate first
Bushing 14, so that centrepin 11 is combined with central pin bush 12.
By setting rubber elastic material between the inner sleeve 121 of central pin bush 12 and overcoat 122, can accelerate in vehicle
During with slowing down, effectively avoid producing impact of collision between car body and bogie.
Further, as shown in figure 4, the connecting portion 111 of the centrepin 11 in the present embodiment is integrated into fixed part 112
The device of type.Multiple car body mounting interfaces 113 can be set on the top surface of the fixed part 112 of centrepin 11, top surface is installed into spiral shell
Bolt, which penetrates car body mounting interface 113, can realize being fastenedly connected for centrepin 11 and car body.Meanwhile the fixed part of centrepin 11
At least one horizontal stopping seat 114 can also be uniformly set on 112 outer surface, and horizontal stopping seat 114 extends outward one
Individual perpendicular, perpendicular can prop up the bogie of vehicle, and lateral displacement occurs with car body to limit bogie.
Meanwhile locating ring 115, locating ring 115 can also be set between the connecting portion 111 and fixed part 112 of centrepin 11
Diameter be more than centrepin 11 connecting portion 111 diameter so that after central pin bush 12 is socketed in the connecting portion 111 of centrepin 11
Contradict locating ring 115.Locating ring 115 can use the high elastomeric material of any wearability, for example, locating ring 115 can be with
For nylon ring.By setting locating ring 115, central pin bush 12 is set not produce upper and lower movement on centrepin 11, in enhancing
The steadiness that heart guide 12 is connected with centrepin 11.
As shown in Figure 1 and Figure 4, it is also provided with bottom plate in the lower surface of the cylinder of the connecting portion 111 of centrepin 11
Mounting interface 116, pad 17 is provided with bottom plate mounting interface 116.Bogie of car traction dress in corresponding the present embodiment
Putting 10 can also include：Centrepin bottom plate 15.Centrepin bottom plate 15 is alloy steel forging, and centrepin bottom plate 15 is arranged at draw beam
13 lower section, and through hole (not shown) is provided with centrepin bottom plate 15.Bed bolt 16 passes through centrepin bottom plate 15
Through hole, which penetrates, to be provided with the bottom plate mounting interface 116 of pad 17, so that centrepin bottom plate 15 and centrepin 11 are fastenedly connected.
Centrepin bottom plate 15 is fastenedly connected by bed bolt 16 and centrepin 11, can undertake the weight of draw beam 13.
Meanwhile when needing to be shipped whole car body, the overall lifting of vehicle can be realized by lifting centrepin bottom plate 15, carried
The high convenience of vehicle body transportation.
Further, when centrepin bottom plate 15 and draw beam 13 are metal material, draw beam 13 and centrepin bottom plate
Abrasion piece 18 can also be set between 15.It can be the good elastomeric material of any wearability to wear piece 18.For example, abrasion piece 18
Can be that nylon wears away piece.
By setting abrasion piece 18 effectively to avoid centrepin bottom plate 15 that Relative friction occurs between the two with draw beam 13
Abnormal sound caused by rotation.Meanwhile the thickness of piece 18 is worn by adjusting, it is ensured that the levelness of draw beam 13 is kept not
Become.For example, after wheel wear, the thickness of air spring can be adjusted, this is just to need to adjust according to increased air spring to grind
Piece thickness is consumed, so that it is guaranteed that the levelness of draw beam 13 keeps constant, draw beam 13 is normally connected with bogie.
As an alternative embodiment, it can also be set in the lower surface of the cylinder of the connecting portion 111 of centrepin 11
It is equipped with the first dowel hole 117.Accordingly, centrepin bottom plate 15 is additionally provided with the second dowel hole (not shown).Center
Alignment pin 19 is provided between pin 11 and centrepin bottom plate 15, the first dowel hole 117, the other end are inserted in one end of alignment pin 19
The second dowel hole is inserted, so that centrepin 11 is connected with centrepin bottom plate 15.
By between centrepin 11 and centrepin bottom plate 15 set alignment pin 19, can further improve centrepin 11 with
The tightness of centrepin bottom plate 15, prevent centrepin 11 from being relatively rotated with centrepin bottom plate 15.Alignment pin 19 simultaneously
Pre-determined bit effect is played, alignment pin 19 can be connected to centrepin 11 and centrepin bottom in advance before mounting base bolt 16
Between plate 15, so that the through hole of centrepin bottom plate 15 and the bottom plate mounting interface 116 of the lower surface of the cylinder of connecting portion 111
More accurately alignment, improve the precision that centrepin 11 is connected with centrepin bottom plate 15.
As another optional embodiment, as shown in figure 5, the draw beam 13 in the present embodiment specifically includes：Traction
Bar mounting seat 131, lifting backstop 132, transverse damper mounting seat 133.
Wherein, draw bar mounting seat 131 is arranged at the top of the outer wall of hollow structure, is connected for installing with bogie
Mechanism, to transmit the longitudinal traction brake force between bogie and car body.Specifically, the quantity of draw bar mounting seat 131 can
Think two, and the top of the two outer wall for being symmetricly set on hollow structure.
Lifting backstop 132 is arranged at the bottom of the outer wall of hollow structure, and lifting backstop 132 extends one to horizontal direction
Plane, so as to can be realized to the overall lifting of vehicle by lifting backstop 132.Specifically, the quantity of lifting backstop 132 can be with
For two, and the bottom of the two outer wall for being symmetricly set on hollow structure.
Transverse damper mounting seat 133 is arranged on the outer wall of hollow structure, for installing transverse damper, so that traction
Vibrations are reduced between beam 13 and the bogie being connected with draw beam 13, make vehicle operation more steady.
Further, as shown in fig. 6, in bogie of car draw-gear 10, the above-mentioned mechanism being connected with bogie
Can be：Draw bar 134.Draw bar 134 is connected in draw bar mounting seat 131, for being attached with bogie.By setting
Put draw bar 134 formed between draw beam 13 and bogie " Z " type connection, enhance draw beam 13 connected with bogie it is steady
It is qualitative.
The bogie of car draw-gear that the present embodiment provides includes：Centrepin, central pin bush；The centrepin includes：
For connecting portion, the fixed part for being fixedly connected with the vehicle body combined with the central pin bush；Wherein, the company of the centrepin
Socket part is cylinder；The central pin bush is hollow structure, and the hollow wall of the central pin bush is cylinder；The center
The connecting portion of pin penetrates the hollow wall of the central pin bush, so that the centrepin is combined with the central pin bush.This
Embodiment provide bogie of car draw-gear can under conditions of without using special dismounting frock simple realization centrepin
With the separation of central pin bush, improve operating efficiency and save human cost simultaneously.
Embodiment two
The present embodiment provides a kind of vehicle, and the vehicle includes：The bogie of car in car body, bogie and embodiment one is led
Leading-in device 10, bogie of car draw-gear 10 are arranged between car body and bogie.
Specifically, bogie of car draw-gear 10 can include：Centrepin 11 and central pin bush 12.Centrepin 11 wraps
Include：For the connecting portion 111 combined with central pin bush 12 and the fixed part 112 for being fixedly connected with the vehicle body.Central pin bush 12
For hollow structure, and the hollow wall of central pin bush 12 is cylinder.Meanwhile the connecting portion 111 of centrepin 11 is also cylinder,
The connecting portion 111 of centrepin 11 penetrates the hollow wall of central pin bush 12, so that centrepin 11 is combined with central pin bush 12.Specifically
, coordinate between the connecting portion 111 of centrepin 11 and the hollow wall of central pin bush 12 for gap.For example, the gap is matched somebody with somebody
The gap of conjunction can be less than or equal to 1mm.
, can be with by setting small gap between the connecting portion 111 of centrepin 11 and the hollow wall of central pin bush 12
The separation of simple realization centrepin 11 and central pin bush 12 under conditions of without using special dismounting frock, it is same to improve operating efficiency
Shi Jieyue human costs.Meanwhile steering resistance square between bogie and car body can be reduced, make to delay to wheel during vehicle pass-through curve
The eccentric wear of wheel rim.
The bogie of car draw-gear 10 that the present embodiment provides can also include：It is connected for the bogie with car body
Draw beam 13.Accordingly, central pin bush 12 can also include：Inner sleeve 121 and overcoat 122.Specifically, draw beam 13 is hollow knot
Structure, the overcoat 122 of central pin bush 12 are arranged in the hollow structure of draw beam 13, and are interference fitted with draw beam 13.Centrepin
The inner sleeve 121 of set 12 includes above-mentioned hollow wall, and overcoat 122 is set on the outer surface of inner sleeve 121.
With actual scene for example：In vehicle assembling process, the fixed part 112 of centrepin 11 is consolidated with car body crossbeam
Fixed connection, while draw beam 13 is connected with bogie frame.Because draw beam 13 is hollow structure, can be set in hollow structure
It is equipped with central pin bush 12.The overcoat 122 of central pin bush 12 is arranged in the hollow structure of draw beam 13, and with the interference of draw beam 13
Coordinate.Meanwhile the hollow wall of the inner sleeve 121 of central pin bush 12 is cylinder, the cylindrical connecting portion 111 of centrepin 11 can
To penetrate the hollow wall of central pin bush 12, so that centrepin 11 is combined with central pin bush 12.
Because centrepin 11 and central pin bush 12 are all metal materials, the two can produce when being in contact because of rotation and rub
Wiping and noise.Therefore, metal material can occur when contacting with central pin bush 12 in order to avoid centrepin 11 to contact with metal material
Abnormal sound, as an alternative embodiment, the central pin bush 12 in the present embodiment can also include：First bushing 14.The
Between the inner sleeve 121 and centrepin 11 of one bushing, 14 centrally disposed guide 12.Specifically, the first bushing 14 can be any one
The high elastomeric material of kind wearability, such as the first bushing 14 can be nylon bush.
With actual scene for example：In vehicle assembling process, the fixed part 112 of centrepin 11 is consolidated with car body crossbeam
Fixed connection, while draw beam 13 is connected with bogie frame.Because draw beam 13 is hollow structure, can be set in hollow structure
It is equipped with central pin bush 12.The overcoat 122 of central pin bush 12 is arranged in the hollow structure of draw beam 13, and with the interference of draw beam 13
Coordinate.Meanwhile the hollow wall of the inner sleeve 121 of central pin bush 12 is cylinder, 14 centrally disposed guide 12 of the first bushing
In inner sleeve, and it is interference fitted with the inner sleeve 121 of central pin bush 12.The cylindrical connecting portion 111 of centrepin 11 can penetrate
One bushing 14, so that centrepin 11 is combined with central pin bush 12.
Further, as shown in figure 3, the central pin bush 12 in the present embodiment can also include：Second bushing 123.Second
Bushing 123 is arranged between inner sleeve 121 and overcoat 122, and the second bushing 123 can be the high elastomeric material of any elasticity,
Such as second bushing 123 can be rubber bushing, inner sleeve 121 is integrated with overcoat 122 by rubber bushing vulcanization.
With actual scene for example：In vehicle assembling process, the fixed part 112 of centrepin 11 is consolidated with car body crossbeam
Fixed connection, while draw beam 13 is connected with bogie frame.Because draw beam 13 is hollow structure, can be set in hollow structure
It is equipped with central pin bush 12.Central pin bush 12 includes inner sleeve 121 and overcoat 122, and inner sleeve 121 passes through rubber bushing sulphur with overcoat 122
Turn to one.The overcoat 122 of central pin bush 12 is arranged in the hollow structure of draw beam 13, and is interference fitted with draw beam 13.
Meanwhile the hollow wall of the inner sleeve 121 of central pin bush 12 is cylinder, the inner sleeve of 14 centrally disposed guide 12 of the first bushing
In 121, and it is interference fitted with the inner sleeve 121 of central pin bush 12.The cylindrical connecting portion 111 of centrepin 11 can penetrate first
Bushing 14, so that centrepin 11 is combined with central pin bush 12.
Pass through above-mentioned mating connection, it is possible to achieve the connection of car body and bogie.And central pin bush 12 is matched somebody with somebody with interference
The mode of conjunction is fixed in draw beam 13, central pin bush 12 is not come off from draw beam 13.
The vehicle that the present embodiment provides includes car body, bogie and bogie of car draw-gear, bogie of car traction
Device is arranged between car body and bogie.Bogie of car draw-gear includes：Centrepin, central pin bush；The centrepin
Including：For connecting portion, the fixed part for being fixedly connected with the vehicle body combined with the central pin bush；Wherein, the center
The connecting portion of pin is cylinder；The central pin bush is hollow structure, and the hollow wall of the central pin bush is cylinder；Institute
The connecting portion for stating centrepin penetrates the hollow wall of the central pin bush, so that the centrepin and the centrepin noose
Close.The vehicle that the present embodiment provides can fill in the traction of the simple realization bogie of car under conditions of without using special dismounting frock
The separation of the centrepin and central pin bush put, improve operating efficiency and save human cost simultaneously.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The scope of scheme.
Claims (10)
- A kind of 1. bogie of car draw-gear, it is characterised in that including：Centrepin, central pin bush；The centrepin includes：For connecting portion, the fixed part for being fixedly connected with the vehicle body combined with the central pin bush； Wherein, the connecting portion of the centrepin is cylinder；The central pin bush is hollow structure, and the hollow wall of the central pin bush is cylinder；The connecting portion of the centrepin penetrates the hollow wall of the central pin bush, so that the centrepin and the center Guide combines.
- 2. draw-gear according to claim 1, it is characterised in that the connecting portion of the centrepin and the central pin bush The hollow wall between for gap coordinate.
- 3. draw-gear according to claim 1, it is characterised in that also include：It is connected for the bogie with car body Draw beam；The central pin bush includes：Inner sleeve, overcoat；The inner sleeve includes the hollow wall, and the overcoat is set on the outer surface of the inner sleeve；The draw beam is hollow structure, and the overcoat is arranged in the hollow structure of the draw beam, and with the draw beam Interference fit.
- 4. draw-gear according to claim 2, it is characterised in that the gap that the gap coordinates is less than or equal to 1mm.
- 5. draw-gear according to claim 3, it is characterised in that the inner sleeve of the central pin bush, the overcoat For metal material；The central pin bush also includes：First bushing；First bushing is arranged between the inner sleeve and the centrepin, institute It is nylon bush to state the first bushing.
- 6. draw-gear according to claim 5, it is characterised in that also include：Second bushing；Second bushing is set Between the inner sleeve and the overcoat, second bushing is rubber bushing.
- 7. draw-gear according to claim 1, it is characterised in that the connecting portion of the centrepin and the fixation The device that portion is formed in one.
- 8. draw-gear according to claim 1, it is characterised in that the connecting portion of the centrepin and the fixation Locating ring is provided between portion, so that the central pin bush props up the positioning after being socketed in the connecting portion of the centrepin Ring.
- 9. draw-gear according to claim 1, it is characterised in that also include：At least one horizontal stopping seat, the horizontal stroke It is uniformly arranged on to stopping seat on the outer surface of the fixed part of the centrepin.
- 10. a kind of vehicle, including：Car body, bogie；Characterized in that, also include any one of claim 1-9 claim institute The bogie of car draw-gear stated, the bogie of car draw-gear are arranged between the car body and the bogie.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720915751.5U CN207157217U (en) | 2017-07-26 | 2017-07-26 | Bogie of car draw-gear and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720915751.5U CN207157217U (en) | 2017-07-26 | 2017-07-26 | Bogie of car draw-gear and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN207157217U true CN207157217U (en) | 2018-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720915751.5U Active CN207157217U (en) | 2017-07-26 | 2017-07-26 | Bogie of car draw-gear and vehicle |
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| CN (1) | CN207157217U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108839526A (en) * | 2018-07-25 | 2018-11-20 | 天津电力机车有限公司 | Road rail vehicle traction and suspension arrangement |
| KR20220062705A (en) * | 2020-11-09 | 2022-05-17 | 현대로템 주식회사 | Lim Bogie frame for railway vehicles |
-
2017
- 2017-07-26 CN CN201720915751.5U patent/CN207157217U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108839526A (en) * | 2018-07-25 | 2018-11-20 | 天津电力机车有限公司 | Road rail vehicle traction and suspension arrangement |
| KR20220062705A (en) * | 2020-11-09 | 2022-05-17 | 현대로템 주식회사 | Lim Bogie frame for railway vehicles |
| KR102446524B1 (en) | 2020-11-09 | 2022-09-23 | 현대로템 주식회사 | Lim Bogie frame for railway vehicles |
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