CN208760632U - A kind of buffer on rail vehicle, bogie and rail vehicle truck - Google Patents
A kind of buffer on rail vehicle, bogie and rail vehicle truck Download PDFInfo
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- CN208760632U CN208760632U CN201820793351.6U CN201820793351U CN208760632U CN 208760632 U CN208760632 U CN 208760632U CN 201820793351 U CN201820793351 U CN 201820793351U CN 208760632 U CN208760632 U CN 208760632U
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Abstract
It includes: pedestal that the utility model, which provides a kind of rail vehicle, bogie and the buffer on rail vehicle truck, the buffer, accommodating cavity open at one end is formed on the pedestal, the pedestal is adapted to the bogie;First flexible piece and the second flexible piece, first flexible piece are set in the accommodating cavity, and are located at the downside of the first flexible piece, and second flexible piece is fixed on the top of accommodating cavity;De contact part, the de contact part is arranged on the second flexible piece, when the de contact part is by compressing force, it compresses second flexible piece in advance, when the second flexible piece is compressed into extreme position, the bottom of de contact part stops the top supported to first flexible piece and then compresses first flexible piece.The buffer has two-stage vibration-damping function, and vibration damping rigidity is high, good damping result, high reliablity;The truck damping performance is more preferable, and stability is higher;The rail vehicle stability is higher.
Description
Technical field
The utility model relates to the bufferings in rail vehicle technical field more particularly to a kind of rail vehicle truck
Device.
Background technique
With the development of economy and society, the horizontal continuous raising of people's lives, people are in trip to rail vehicle
The requirement of the speed of service and comfort is also in the continuous improvement.The continuous improvement of the rail vehicle speed of service is so that rail vehicle is transported
Generated vibration also corresponding aggravation when row.Just to the damping property of rail vehicle, more stringent requirements are proposed for this.Buffer
It is the important component on rail vehicle truck, is used to transmit lateral load between bogie and car body.And pass through cunning
Move and compensate longitudinal and vertical relevant action between bogie and car body, in cushioning rail vehicle operation in the gradient or
The inertia force generated when turn, and play the role of absorbing train vibration, the direct shadow of the performance of buffer to the percussion of car body
Ring the comfort even safety in operation of rail vehicle.
Buffer in the prior art can only realize level-one vibration damping, and vibration damping rigidity bottom, effectiveness in vibration suppression is poor, reliability compared with
It is low.
Utility model content
The utility model is intended to solve one of the above-mentioned problems of the prior art at least to a certain extent, is this this reality
It is to provide the buffer on the novel rail vehicle truck of one kind with first novel purpose.The buffer subtracts with two-stage
Vibration function, vibration damping rigidity is high, good damping result, high reliablity.
According to the buffer provided by the embodiment of the utility model on rail vehicle truck, the buffer packet
Include: pedestal is formed with accommodating cavity open at one end on the pedestal, and the pedestal is adapted to the bogie;First is soft
Property part and the second flexible piece, first flexible piece is set in the accommodating cavity, and is located at the downside of the first flexible piece, described
Second flexible piece is fixed on the top of accommodating cavity;De contact part, the de contact part are arranged on the second flexible piece, when
When the de contact part is by compressing force, second flexible piece is compressed in advance, when the second flexible piece is compressed into the limit
When position, the bottom of de contact part stops the top supported to first flexible piece and then compresses first flexible piece.
According to one embodiment provided by the utility model, the de contact part includes the portion that wears and is connected to described
Wear the stopper section in portion, the portion of wearing vertically is arranged on second flexible piece, the lower surface backstop of the stopper section in
The upper surface of second flexible piece.
According to one embodiment provided by the utility model, portion and the stopper section of wearing is set as cylinder, and wears portion
Cross section circumscribed circle diameter be less than stopper section cross section circumscribed circle diameter.
According to one embodiment provided by the utility model, portion and the stopper section of wearing is cylindrical body, and wears portion
Diameter is less than the diameter of stopper section.
According to one embodiment provided by the utility model, the portion of wearing is connected to the center of the stopper section.
According to one embodiment provided by the utility model, portion and the stopper section of wearing can be integrated formula structure.
According to one embodiment provided by the utility model, the pedestal includes bottom plate and sleeve, and the sleeve is fixed on
On the bottom plate and the bottom plate forms the accommodating cavity, wherein and first flexible piece is located in the sleeve, and described the
Two flexible pieces are fixed on the inner wall of the sleeve.
According to one embodiment provided by the utility model, first flexible piece includes the first fixed part and is connected to the
The bottom of the first compression unit on one fixed part, first fixed part is suitable for and the bottom wall of the accommodating cavity only supports, outside
Wall is suitable for and the inner sidewall of the accommodating cavity cooperates.
According to one embodiment provided by the utility model, first flexible piece be equipped with the first cavity, described first
Cavity penetrates the lower surface of first fixed part and by the following table of first fixed part towards the upper of first compression unit
Surface direction extends.
According to one embodiment provided by the utility model, the part that first cavity is located at first fixed part is
It is cylindric, it is round table-like positioned at the part of first compression unit.
According to one embodiment provided by the utility model, first fixed part is cylindrical body, and the first compression unit is circle
Platform, and the basal diameter of the rotary table is less than the diameter of the cylinder.
According to one embodiment provided by the utility model, second flexible piece includes the second fixed part and is connected to the
The lateral wall of the second compression unit on two fixed parts, second fixed part is fixed on the inner sidewall of the accommodating cavity, described
The upper surface of second compression unit is only butted on the de contact part.
According to one embodiment provided by the utility model, second flexible piece be equipped with the second cavity, described second
Cavity penetrates the lower surface of second fixed part and by the following table of second fixed part towards the upper of second compression unit
Surface direction extends.
According to one embodiment provided by the utility model, the part that second cavity is located at second fixed part is
It is cylindric, it is round table-like positioned at the part of second compression unit.
According to one embodiment provided by the utility model, it is additionally provided with first through hole on second flexible piece, described
One through-hole extends to its inside at the top of second compression unit and is connected to second cavity, and the de contact part is worn
In the first through hole.
According to one embodiment provided by the utility model, second fixed part is cylindrical body, and the second compression unit is circle
Platform, and the basal diameter of the rotary table is less than the diameter of the cylinder.
According to one embodiment provided by the utility model, first flexible piece and the second flexible piece are rubber parts.
According to one embodiment provided by the utility model, the bottom plate is equipped with bolt hole.
Second purpose of the utility model is to provide a kind of bogie, and the truck damping performance is more preferable, and stability is more
It is high.
According to bogie provided by the embodiment of the utility model, the bogie is equipped with any provided by the above embodiment
Buffer.
The third purpose of the utility model is to provide a kind of rail vehicle, and the rail vehicle stability is higher.
According to rail vehicle provided by the embodiment of the utility model, the rail vehicle is equipped with any above-described embodiment and mentions
The bogie of confession.
The beneficial effects of the utility model are: being used for rail vehicle truck according to provided by the embodiment of the utility model
Buffer, the buffer includes: pedestal, and accommodating cavity open at one end is formed on the pedestal, and the pedestal is suitable for
Connect the bogie;First flexible piece and the second flexible piece, first flexible piece is set in the accommodating cavity, and is located at
The downside of first flexible piece, second flexible piece are fixed on the top of accommodating cavity;De contact part, the de contact part
It is arranged on the second flexible piece, when the de contact part is by compressing force, compresses second flexible piece in advance, when
When two flexible pieces are compressed into extreme position, the bottom of de contact part is stopped the top supported to first flexible piece and then is compressed
First flexible piece.It is reserved centainly by the way that two flexible pieces are arranged in the accommodating cavity, and between two flexible pieces
Compression space, to realize the two-stage vibration-damping function of buffer so that the lateral cushion rigidity of the buffer is stronger, effectiveness in vibration suppression
More preferably.
Detailed description of the invention
Fig. 1 is the installation diagram of the buffer provided by the embodiment of the utility model.
Fig. 2 is the structure chart of the buffer provided by the embodiment of the utility model.
Fig. 3 is the sectional view of the first flexible piece of the buffer provided by the embodiment of the utility model.
Fig. 4 is the sectional view of the second flexible piece of the buffer provided by the embodiment of the utility model.
Fig. 5 is the sectional view of the de contact part of the buffer provided by the embodiment of the utility model.
Fig. 6 is the explosive view of the buffer provided by the embodiment of the utility model.
Fig. 7 is the structure chart of the bogie provided by the embodiment of the utility model.
Fig. 8 is a kind of structure chart of existing buffer provided by the embodiment of the utility model.
Fig. 9 is a kind of explosive view of existing buffer provided by the embodiment of the utility model.
Figure 10 is a kind of installation diagram of existing buffer provided by the embodiment of the utility model.
Figure 11 is the installation diagram of the existing buffer of another kind provided by the embodiment of the utility model.
Figure 12 is the structure chart of the existing buffer of another kind provided by the embodiment of the utility model.
Specific embodiment
The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below
In conjunction with accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific implementation described herein
Example is only used to explain the utility model, is not used to limit the utility model.
In the description of the present invention, it should be understood that term " on ", "lower", "left", "right" instruction orientation or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
This should not be understood as limiting the present invention.In addition, defining " first ", the feature of " second " can be expressed or imply
Ground includes one or more of the features;" multiple " refer to two or more.It needs in the description of the present invention,
It is noted that unless otherwise clearly defined and limited, term " setting ", " connection ", " connected " should broadly understood, tool
The set-up mode of body, connection type can be set as the case may be, be not particularly limited, for the ordinary skill people of this field
For member, its concrete meaning in the present invention can be understood as the case may be.
Buffer provided by the embodiment of the utility model is specifically described below with reference to Fig. 1-12 and is turned equipped with the buffer
To frame and rail vehicle.
As depicted in figs. 1 and 2, according to the buffer provided by the embodiment of the utility model on rail vehicle truck
100, the buffer 100 includes: pedestal 9, and accommodating cavity 13 open at one end is formed on the pedestal 9 with slow for accommodating
The subelement of device is rushed, the pedestal 9 is adapted to the bogie, and ordinary circumstance can be arranged several in the bottom of pedestal 9
Pedestal is fixed on bogie by bolt hole or through-hole by connectors such as spiral shell peg or pins;First flexible piece 10, described first
Flexible piece 10 can be fixed on the bottom of the accommodating cavity 13, be also possible to active state, in the accommodating cavity up and down
The bottom wall of movement, accommodating cavity 13 limits the vertical one degree of freedom of first flexible piece 10, so that the first flexible piece
10 can be realized the purpose of vibration damping by compression;Second flexible piece 11, second flexible piece 11 are fixed on accommodating cavity 13
Top, part is located in accommodating cavity 13, is partially exposed to accommodating cavity 13, the fixed part being fixed in accommodating cavity 13
Point can the freedom degree vertical to the second flexible piece 11 limit, allow the second flexible piece 11 by compression to realize subtract
The purpose of vibration, herein, the first flexible piece 10 are located at the downside of the second flexible piece 11, when the second flexible piece 11 is fixed, second
Gap can be equipped between flexible piece 11 and the first flexible piece 10 to realize the function of second level vibration damping, when the second flexible piece 11 is not solid
Periodically, it can be moved between the lower surface of the second flexible piece 11 and the bottom wall of accommodating cavity 13;De contact part 12, institute
It states de contact part 12 to be arranged on the second flexible piece 11, and its bottom can slightly be exposed to the bottom of the second flexible piece 11,
When the de contact part 12 is by compressing force, second flexible piece 11, when compressing force is smaller, second are compressed in advance
Flexible piece 11 can be directly realized by the purpose of vibration damping, be separation shape between the bottom of de contact part 12 and the first flexible piece 10
State;When excessive second flexible piece of compressing force is compressed into extreme position, the bottom of de contact part 12 is only supported to described first
The top of flexible piece 10 and then the effect for compressing the realization of the first flexible piece 10 second level vibration damping, such structure can increase slow
The vibration damping rigidity for rushing device 100, improves the stability of vibration damping, and reliability is higher.Herein, the extreme position refers to first
When flexible piece 10 is only against the bottom wall of accommodating cavity, the distance between upper surface and the lower surface of de contact part 12, specifically
Numerical value can specifically be set according to practical condition.
Herein, the compressible rigidity of the second flexible piece 11 can be lower than the compressible rigidity of the first flexible piece 10, so that
The vibration damping comfort for obtaining this buffer 100 is higher.
As shown in Figures 8 to 10, a kind of existing buffer is provided, which includes substrate 1, metal pedestal 2, flexible body
3 and metal plate 4.Metal pedestal 2 is fixed on substrate 1.Flexible body 3 is set in metal pedestal 2 and, flexibility fixed with metal pedestal 2
Body 3 has flexible body cavity 33, is embedded with metal plate 4 in flexible body cavity 33.Flexible body 3 includes the first flexible body 31 and second
Flexible body 32, the second flexible body 32 are set in metal pedestal 2 and are connected with the first flexible body 31, have the in the first flexible body 31
One flexible body cavity 311, has the second flexible body cavity 321 in the second flexible body 32, the first flexible body cavity 311 and second soft
Property body cavity 321 constitutes above-mentioned flexible body cavity 33.The buffer of this structure, metal plate 4 improve to a certain extent
The rigidity of flexible body 3, can also be improved reliability of the horizontal buffer in backstop, but the buffer of this structure, flexible body 3
It is set in metal pedestal 2, stability is too poor.It is compared to the buffer of the prior art, the utility model is provided
Buffer 100 be in the accommodating cavity 13 being contained in flexible piece on pedestal 9, stability is higher.
As depicted in figs. 11-12, another existing buffer is provided, mainly by installation planker 5, rubber stop 6, connection
Plate 7 and compression scotch 8 are constituted.Described installation 5 one end of planker is the oblate cylinder 5a being relatively large in diameter, and installs 5 other end of planker
It is the lesser slender cylinder 5b of diameter;The rubber stop 6 is a hollow cone, the elongated circle of the installation planker 5
Cylinder 5b is inserted into the small head end 6a of rubber stop 6, and the oblate cylinder 5a of installation planker 5 is close in the head end 6a small end face of rubber stop 6;
7 one side of connecting plate is used for connection body, is welded with annular ring 7a, the stub end of the rubber stop 6 on 7 another side of connecting plate
6b is placed in annular ring 7a, and the outer peripheral surface of 6 stub end 6b of rubber stop is close to the medial surface of annular ring 7a, 6 stub end 6b of rubber stop
End face be close to connecting plate 7;The center of the connecting plate 7 is equipped with mounting hole, and compression scotch 8 is securely fitted in the mounting hole
It is interior.The compression scotch 8 is equipped with a stopper section 8a compatible with the internal via shape of 6 stub end 6b of rubber stop, backstop
The central fovea of portion 8a is equipped with cavity 8b compatible with installation 5 slender cylinder 5b of planker;The stopper section 8a top sides edge is set
To be arc-shaped, the rubber stop 6 is head end 6a small interior equipped with concave arc shape slot 6c compatible with edge shape at the top of the 6a of stopper section.
The effect laterally buffered also may be implemented in the buffer of this structure to a certain extent, still, the buffer of this structure,
When the lateral cushion effect being subject to is larger, it is rigid contact that the inner wall of slender cylinder 5b and cavity 8b, which directly abut, by
Impact force it is larger, the stability of vibration damping is bad, and slender cylinder 5b is easy to damage failure.It is compared to the prior art
Buffer, buffer 100 provided by the utility model have two-stage vibration damping flexible piece, when by biggish cross force, still
Stable effectiveness in vibration suppression may be implemented.
As shown in figures 1 to 6, according to one embodiment provided by the utility model, the de contact part 12 includes wearing
It is described to wear portion 121 to be vertically arranged in described second soft if portion 121 and being connected to the stopper section 122 for wearing portion 121
On property part 11, the lower surface backstop of the stopper section 122 is in the upper surface of the second flexible piece 11.It wears portion 121 and is arranged in second
On flexible piece 11, bottom is exposed to the bottom of the second flexible piece 11, so that wearing when by biggish lateral cushion effect
The bottom in portion 121, which stops the top for supporting the first flexible piece 10 and then compresses the first flexible piece 10, achievees the purpose that second level vibration damping, backstop
The lower surface in portion 122 is connected to the upper surface of the second flexible piece 11, preferably to transmit lateral cushion effect, avoids the second flexible piece
11 direct contact forces are damaged.
According to one embodiment provided by the utility model, portion 121 and the stopper section 122 of wearing is set as cylinder, and
Wear the cross section in portion 121 circumscribed circle diameter be less than stopper section 122 cross section circumscribed circle diameter.121 He of portion will be worn
Stopper section 122 be set as cylinder can it is easy to process and assembly, reduce processing cost, wear the circumscribed circle of the cross section in portion 121
Diameter is less than the circumscribed circle diameter of the cross section of stopper section 122, can compression in order to stopper section 122 to the second flexible piece 11.
As shown in figure 5, circle is in portion 121 and the stopper section 122 of wearing according to one embodiment provided by the utility model
Cylinder, and the diameter for wearing portion 121 is less than the diameter of stopper section 122.Wearing portion 121 and stopper section 122 is that cylindrical body can be so as to
In processing and assembly, processing cost is reduced.
According to one embodiment provided by the utility model, the portion 121 that wears is connected in the stopper section 122
The heart, when so that stopper section 122 being only butted on the second flexible piece 11, the second flexible piece 11 is more uniformly stressed.
According to one embodiment provided by the utility model, portion 121 and the stopper section 122 of wearing can be integrated formula knot
Structure saves assembly cost to reduce assembly technology.Portion 121 and the stopper section 122 of wearing also can be set to split type structure,
The two is linked and packed by connector again integral.
As illustrated in fig. 1 and 2, according to one embodiment provided by the utility model, the pedestal 9 includes bottom plate 91 and sleeve
92, the sleeve 92 is fixed on the bottom plate 91 and the bottom plate 91 forms the accommodating cavity 13, wherein described first is soft
Property part 10 is located in the sleeve 92, and second flexible piece 11 is fixed on the inner wall of the sleeve 92.Such structure letter
It is single, it can be in order to being connected and fixed between entire buffer 100 and bogie, while it can be in order to by the first flexible piece 10 and the
Two flexible pieces 11 are fixed on pedestal 9.Herein, bottom plate 91 can be set to square plate, and sleeve 92 can be set to hollow cylinder
Shape cylinder.It can be welding between bottom plate 91 and sleeve 92, be also possible to other connection types, also can be set to integral type.
As shown in figure 3, first flexible piece 10 includes first fixed according to one embodiment provided by the utility model
Portion 101 and the first compression unit 102 being connected on the first fixed part 101, the bottom of first fixed part 101 is suitable for and institute
The bottom wall for stating accommodating cavity 13 only supports, to prevent the first flexible piece 10 to the movement of 9 bottom direction of pedestal to realize compression,
Lateral wall is suitable for and the inner sidewall of the accommodating cavity 13 cooperates.Herein, the lateral wall and accommodating cavity of the first fixed part 101
Be between 13 inside it is mobilizable, the lateral wall of the first fixed part 101 can also vulcanize the inside for being fixed to accommodating cavity 13
On wall, it can be not fixed between the bottom of the first fixed part 101 and the bottom wall of accommodating cavity 13.
As shown in figure 3, it is empty that first flexible piece 10 is equipped with first according to one embodiment provided by the utility model
Chamber 103, first cavity 103 penetrate the lower surface of first fixed part 101 and by the following tables of first fixed part 101
Upper surface direction towards first compression unit 102 extends, and first cavity 103 is located at first fixed part 101
Part be it is cylindric, positioned at the part of first compression unit 102 be it is round table-like.The setting of first cavity 103, can make
The decrement for obtaining the first flexible piece 10 is bigger, so that the stability of entire buffer 100 is higher.
As shown in figure 3, first fixed part 101 is cylindrical body according to one embodiment provided by the utility model, the
One compression unit 102 is rotary table, and the basal diameter of the rotary table is less than the diameter of the cylinder, correspondingly, accommodating cavity 13
It is set as cylindrical cavity.Such structure can make fixation of first flexible piece 10 in accommodating cavity 13 more just
Victory, while can guarantee that the compression of the first flexible piece 10 is smooth.
As shown in figure 4, second flexible piece 11 includes second fixed according to one embodiment provided by the utility model
Portion 111 and the second compression unit 112 being connected on the second fixed part 111, the lateral wall of second fixed part 111 are fixed on
The inner sidewall of the accommodating cavity 13 is to prevent the vertical play of the second flexible piece 11, the upper surface of second compression unit 112
Only it is butted on the de contact part 12.
As shown in figure 4, it is empty that second flexible piece 11 is equipped with second according to one embodiment provided by the utility model
Chamber 113, second cavity 113 penetrate the lower surface of second fixed part 111 and by the following tables of second fixed part 111
Upper surface direction towards second compression unit 112 extends, and second cavity 113 is located at second fixed part 111
Part be it is cylindric, positioned at the part of second compression unit 112 be it is round table-like.The setting of second cavity 113, can make
The decrement for obtaining the second flexible piece 11 is bigger, so that the stability of entire buffer 100 is higher.
As shown in figure 4, being additionally provided with first on second flexible piece 11 according to one embodiment provided by the utility model
Through-hole 114, in order to wearing for the de contact part 12, the first through hole 114 is from the top of second compression unit 112
It extends to its inside to be connected to second cavity 113, the de contact part 12 is arranged in the first through hole 114.
As shown in figure 4, second fixed part 111 is cylindrical body according to one embodiment provided by the utility model, the
Two compression units 112 are rotary table, and the basal diameter of the rotary table is less than the diameter of the cylinder, correspondingly, accommodating cavity 13
It is set as cylindrical cavity.Such structure can make fixation of second flexible piece 11 in accommodating cavity 13 more just
Victory, while can guarantee that the compression of the second flexible piece 10 is smooth.
According to one embodiment provided by the utility model, first flexible piece 10 and the second flexible piece 11 are rubber
Part.Rubber has preferably elasticity, and compressibility is strong, and at low cost, advantageously reduces the manufacturing cost of entire buffer 100, mentions
High applicability and stability.
According to one embodiment provided by the utility model, the bottom plate 91 is equipped with bolt hole 14.Bolt hole 14 is set
Bolt or pin shaft can directly be passed through in order to the connection and fixation between entire buffer 100 and bogie 1000 by setting
Buffer 100 is fixed on bogie 1000 by equal connectors.
Second purpose of the utility model is to provide a kind of bogie 1000, and 1000 damping property of bogie is more preferable,
Stability is higher.
As shown in fig. 6, the bogie is equipped with any above-mentioned reality according to bogie provided by the embodiment of the utility model
The buffer 100 of example offer is provided.Specifically, bogie is equipped with the suspension seat of honour 15 and lateral backstop mounting base 17, the seat of honour is hung
15 top is connect with car body, and backstop baffle 16, the de contact part 12 of buffer 100 are equipped on the side wall at the suspension seat of honour 15
Top be right against the surface of the backstop baffle 16, the bottom of the pedestal 9 of buffer 100 is installed on the backstop mounting base 17
On.When the secondary suspension spring lateral displacement of bogie 1000 is excessive (lateral displacement of car body is excessive), backstop baffle at this time
16 contact with the top of the de contact part 12 of buffer 100, prevent the further occurrence lateral displacement of secondary suspension spring, protect
Rail vehicle traveling comfort is demonstrate,proved.
The third purpose of the utility model is to provide a kind of rail vehicle, and the rail vehicle stability is higher.
According to rail vehicle provided by the embodiment of the utility model, the rail vehicle is equipped with any above-described embodiment and mentions
The bogie of confession.
According to the buffer 100 provided by the embodiment of the utility model on rail vehicle truck, the buffer
100 include: pedestal 9, and accommodating cavity 13 open at one end is formed on the pedestal 9, and the pedestal 9 is adapted to the steering
Frame;First flexible piece 10 and the second flexible piece 11, first flexible piece 10 are set in the accommodating cavity 13, and are located at the
The downside of one flexible piece 10, second flexible piece 11 are fixed on the top of accommodating cavity 13;De contact part 12, it is described to stop
Gear contact 12 is arranged on the second flexible piece 11, when the de contact part 12 is by compressing force, in advance described in compression
Second flexible piece 11, when the second flexible piece is compressed into extreme position, the bottom of de contact part 12 is only supported to described first
First flexible piece 10 is compressed in turn in the top of flexible piece 10.By the way that two flexible pieces are arranged in the accommodating cavity 13,
And certain compression space is reserved between two flexible pieces, to realize the two-stage vibration-damping function of buffer 100, so that the buffering
The lateral cushion rigidity of device 100 is stronger, and effectiveness in vibration suppression is more preferable.
Rail vehicle provided by the utility model can be railroad tracks vehicle or track vehicle, preferably rail
Road rail vehicle.Specifically, the track vehicle can for tramcar, light rail track vehicle, monorail track vehicle,
The various common track vehicles such as iron rail vehicle, high-speed railway rail vehicle, preferably Straddle type monorail rail vehicle, but not
It is confined to this.
In the description of the present invention, it should be understood that term " on ", "lower", "left", "right", " one end ", " in
Between ", " circumference ", " top ", " bottom end ", " left end ", the instructions such as " right end " orientation or positional relationship be based on the figure
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
In addition, term " first ", " another " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature." multiple ", " several " are meant that at least two in the description of the present invention,
Such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be
Mechanical connection is also possible to be electrically connected or can communicate each other;It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements be can be, unless otherwise restricted clearly.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the description of this specification, the description of reference term " one embodiment ", " example " etc. means to combine and be somebody's turn to do
Embodiment or example particular features, structures, materials, or characteristics described are contained at least one embodiment of the utility model
Or in example.In the present specification, the schematic representation of the above terms does not necessarily have to refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples with suitable
Mode combines.In addition, without conflicting with each other, those skilled in the art can be by difference described in this specification
The feature of embodiment or example and different embodiments or examples is combined.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (20)
1. a kind of buffer on rail vehicle truck, which is characterized in that the buffer includes:
Pedestal is formed with accommodating cavity open at one end on the pedestal, and the pedestal is adapted to the bogie;
First flexible piece and the second flexible piece, first flexible piece are set in the accommodating cavity, and are located at the first flexible piece
Downside, second flexible piece is fixed on the top of accommodating cavity;
De contact part, the de contact part are arranged on the second flexible piece, when the de contact part is by compressing force,
It compresses second flexible piece in advance, and when the second flexible piece is compressed into extreme position, the bottom of de contact part is only supported
First flexible piece is compressed in turn to the top of first flexible piece.
2. buffer according to claim 1, which is characterized in that the de contact part includes wearing portion and being connected to
The stopper section for wearing portion, the portion of wearing vertically are arranged on second flexible piece, and the lower surface of the stopper section is stopped
It is blocked in the upper surface of second flexible piece.
3. buffer according to claim 2, which is characterized in that portion and the stopper section of wearing is set as cylinder, and wears
If the circumscribed circle diameter of the cross section in portion is less than the circumscribed circle diameter of the cross section of stopper section.
4. buffer according to claim 3, which is characterized in that portion and the stopper section of wearing is cylindrical body, and is worn
The diameter in portion is less than the diameter of stopper section.
5. buffer according to claim 3 or 4, which is characterized in that the portion of wearing is connected in the stopper section
The heart.
6. buffer according to claim 5, which is characterized in that portion and the stopper section of wearing can be integrated formula structure.
7. buffer according to claim 1, which is characterized in that the pedestal includes bottom plate and sleeve, and the sleeve is solid
Due on the bottom plate and the bottom plate form the accommodating cavity, wherein first flexible piece is located in the sleeve, institute
The second flexible piece is stated to be fixed on the inner wall of the sleeve.
8. buffer according to claim 1, which is characterized in that first flexible piece includes the first fixed part and connection
It is suitable in the bottom of the first compression unit on the first fixed part, first fixed part and the bottom wall of the accommodating cavity only supports,
Lateral wall is suitable for and the inner sidewall of the accommodating cavity cooperates.
9. buffer according to claim 8, which is characterized in that first flexible piece is equipped with the first cavity, described
First cavity penetrates the lower surface of first fixed part and by the following table of first fixed part towards first compression unit
Upper surface direction extend.
10. buffer according to claim 9, which is characterized in that first cavity is located at first fixed part
Part is cylindric, is round table-like positioned at the part of first compression unit.
11. buffer according to claim 10, which is characterized in that first fixed part is cylindrical body, the first compression
Portion is rotary table, and the basal diameter of the rotary table is less than the diameter of the cylinder.
12. buffer according to claim 1, which is characterized in that second flexible piece includes the second fixed part and company
The lateral wall of the second compression unit being connected on the second fixed part, second fixed part is fixed on the inside of the accommodating cavity
The upper surface of wall, second compression unit is only butted on the de contact part.
13. buffer according to claim 12, which is characterized in that second flexible piece is equipped with the second cavity, institute
It states the second cavity and penetrates the lower surface of second fixed part and by the following table of second fixed part towards second compression
The upper surface direction in portion extends.
14. buffer according to claim 13, which is characterized in that second cavity is located at second fixed part
Part is cylindric, is round table-like positioned at the part of second compression unit.
15. buffer according to claim 14, which is characterized in that it is additionally provided with first through hole on second flexible piece,
The first through hole extends to its inside at the top of second compression unit and is connected to second cavity, the de contact
Part is arranged in the first through hole.
16. buffer according to claim 15, which is characterized in that second fixed part is cylindrical body, the second compression
Portion is rotary table, and the basal diameter of the rotary table is less than the diameter of the cylinder.
17. buffer according to claim 1, which is characterized in that first flexible piece and the second flexible piece are rubber
Part.
18. buffer according to claim 7, which is characterized in that the bottom plate is equipped with bolt hole.
19. a kind of bogie, which is characterized in that the bogie is equipped with any one of the claim 1-18 buffer.
20. a kind of rail vehicle, which is characterized in that the rail vehicle is equipped with bogie described in claim 19.
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CN201820793351.6U CN208760632U (en) | 2018-05-25 | 2018-05-25 | A kind of buffer on rail vehicle, bogie and rail vehicle truck |
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CN201820793351.6U CN208760632U (en) | 2018-05-25 | 2018-05-25 | A kind of buffer on rail vehicle, bogie and rail vehicle truck |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110816577A (en) * | 2019-11-11 | 2020-02-21 | 株洲时代新材料科技股份有限公司 | Method for improving overall performance of transverse stop of railway vehicle and transverse stop |
EP3816010A1 (en) * | 2019-10-31 | 2021-05-05 | Siemens Mobility Austria GmbH | Elastic element |
WO2023134316A1 (en) * | 2022-01-17 | 2023-07-20 | 中车青岛四方机车车辆股份有限公司 | Buffer stop |
-
2018
- 2018-05-25 CN CN201820793351.6U patent/CN208760632U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3816010A1 (en) * | 2019-10-31 | 2021-05-05 | Siemens Mobility Austria GmbH | Elastic element |
CN110816577A (en) * | 2019-11-11 | 2020-02-21 | 株洲时代新材料科技股份有限公司 | Method for improving overall performance of transverse stop of railway vehicle and transverse stop |
CN110816577B (en) * | 2019-11-11 | 2020-12-15 | 株洲时代瑞唯减振装备有限公司 | Method for improving overall performance of transverse stop of railway vehicle and transverse stop |
WO2023134316A1 (en) * | 2022-01-17 | 2023-07-20 | 中车青岛四方机车车辆股份有限公司 | Buffer stop |
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