CN104960539B - A kind of rolling stock and its vehicle connecting device - Google Patents
A kind of rolling stock and its vehicle connecting device Download PDFInfo
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- CN104960539B CN104960539B CN201510455474.XA CN201510455474A CN104960539B CN 104960539 B CN104960539 B CN 104960539B CN 201510455474 A CN201510455474 A CN 201510455474A CN 104960539 B CN104960539 B CN 104960539B
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- bulb
- ball
- connecting device
- vehicle connecting
- socket
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G1/00—Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means
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- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a kind of rolling stock and its vehicle connecting device, including buttknuckle, recessed joint, buttknuckle and recessed joint one of both are provided with bulb, and the spherical surface of bulb is raised up or down, another one is provided with ball seat, and ball seat is machined with the ball-and-socket coordinated with bulb;Vehicle connecting device also includes the limiting component being limited in bulb in ball-and-socket;This paper vehicle connecting device tensile loads, compressive load, vertical load is transmitted by the spherical mating surfaces between bulb and ball-and-socket, the power transmission surface of i.e. spherical mating surface formation, the Area comparison of spherical mating surface is big, corresponding force loaded area is just than larger, uniform load is conducive to transmit, even and if vehicle connecting device is in than under larger corner state, sphere-contact also ensure that loading end has than larger contact area, avoid local load is excessive from bearing part phenomenon of rupture occur, ensure vehicle safety in operation and improve the service life of bearing part.
Description
Technical field
The present invention relates to vehicle interconnection technique field, more particularly to a kind of rolling stock and its vehicle connecting device.
Background technology
Vehicle connecting device is the important component of railway freight-car, and its main function is two train of vehicles adjacent before and after connection,
And transmit the active force between vehicle.It following present a kind of concrete form of typical vehicle connecting device of prior art.
Fig. 1 is refer to, Fig. 1 is the structural representation of prior art vehicle connecting device.
Vehicle connecting device in Fig. 1 can realize that adjacent two trains are supported on same bogie jointly, it is allowed to phase
There is certain corner in level and vertical direction between mutually, vehicle outer end is supported on independent bogie in a usual manner.
The vehicle connecting device includes the component of buttknuckle 1 ', recessed joint 2 ', fixed connection apparatus and dust cap 5 ', the component bag of buttknuckle 1 '
Include buttknuckle 1 ', ball bearing 3 ', race ring;Fixed connection apparatus include bolt 41 ', disc spring 42 ', voussoir 43 ', packing ring 44 ',
Nut 45 '.The two ends footstalk 31 ' of the trunnion axis of ball bearing 3 ' is fixed on recessed joint 2 ' by fixed connection apparatus, is realized convex
Joint 1 ' constitutes the connection with recessed joint 2 '.Voussoir 43 ' can eliminate the gap between buttknuckle 1 ', recessed joint 2 ', work as abrasion
After generation, when voussoir 43 ' falls, in the presence of the restoring force of disc spring 42 ', disc spring 42 ' will promote voussoir 43 ' to move downward, and make
The both sides of voussoir 43 ' extrude ball bearing 3 ' on buttknuckle 1 ' and recessed joint 2 ' all the time, so that by buttknuckle 1 ' and recessed
Gap between joint 2 ' is eliminated.
From the description of above structure as can be seen that vehicle connecting device of the prior art is because using ball bearing 3 ', therefore can
To realize level, vertical, lateral rotation, so that meeting two adjacent car bodies rotates demand.
Vehicle connecting device is primarily subjected to tensile load, compressive load, vertical load in use.When vehicle connection
Device bears tensile load, and the direction of transfer of power is:Buttknuckle 1 ' → ball bearing 3 ' → recessed joint 2 ';Work as vehicle connecting device
When bearing compressive load, the direction of transfer of power is in vehicle connecting device:Buttknuckle 1 ' → ball bearing 3 ' → voussoir 43 ' → recessed
Joint 2 ';When vehicle connecting device bears vertical load, the direction of transfer of power is in vehicle connecting device:Buttknuckle 1 ' → ball
Shape bearing 3 ' → recessed joint 2 '.
From the above, it can be seen that no matter vehicle connecting device bears the biography of the power on any load, buttknuckle 1 '
It is to be transferred to recessed joint 2 ' by ball bearing 3 ' to pass, specifically, is the footstalk 31 ' by the both ends of ball bearing 3 '
Transmission.
However, easily occurring the phenomenon of the fracture of footstalk 31 ' in the prior art vehicle connecting device course of work, have a strong impact on
The security of vehicle traveling.
Therefore, vehicle connecting device connection reliability in the prior art how is improved, is that those skilled in the art are urgently to be resolved hurrily
Technical problem.
The content of the invention
The purpose of the present invention is a kind of rolling stock of offer and its vehicle connecting device, the vehicle connecting device power transfer surface
Product is greatly improved reliability of the vehicle connecting device in power transmittance process than larger, further increases vehicle traveling
Security.
In order to solve the above technical problems, the present invention provides a kind of vehicle connecting device, including buttknuckle, recessed joint, it is described
Buttknuckle and the recessed joint one of both are provided with bulb, and the spherical surface of the bulb is raised up or down, another one
Ball seat is provided with, the ball seat is machined with the ball-and-socket coordinated with the bulb;The vehicle connecting device is also included the ball
Head is limited in the limiting component in the ball-and-socket.
When connecting two car bodies using the vehicle connecting device of said structure, because both buttknuckle herein and recessed joint are logical
Cross spherical mating surface between bulb and ball seat and constitute revolute pair, thus can realize a car body surround by the vertical curve of the centre of sphere each
The rotation in direction.Secondly, when vehicle connecting device is driven tensile load, tensile force is transferred to latter car body by previous car body,
The spherical mating surface that the tensile force of buttknuckle is cooperated by bulb and ball seat in vehicle connecting device is transferred to recessed joint, i.e.,
Power transmitting is:Buttknuckle → bulb, ball seat → recessed joint;Similarly, when vehicle connecting device actuator compression load, vertical load
During lotus, the spherical mating surface that the compression stress and vertical force of buttknuckle are cooperated by bulb and ball seat is transferred to recessed joint,
That is power transmitting be for:Buttknuckle → bulb, ball seat → recessed joint.
With in the prior art by footstalk transmit load compared with, this paper vehicle connecting devices tensile load, compressive load, hang down
Transmitted to load by the spherical mating surfaces between bulb and ball-and-socket, i.e., the power transmission table of spherical mating surface formation
Face, the Area comparison of spherical mating surface is big, and corresponding force loaded area just than larger, is conducive to uniform load to transmit, even and if
Vehicle connecting device is in than under larger corner state, sphere-contact herein also ensure that loading end has than larger
Contact area, it is to avoid local load is excessive to there is bearing part phenomenon of rupture, it is ensured that vehicle safety in operation and improve carrying
The service life of part, and then improve the service life of vehicle connecting device.
Optionally, the ball seat is located at the buttknuckle, and Open Side Down for the ball-and-socket, and the bulb is arranged at described recessed
Joint, and the bulb press-fits in the inside of the ball-and-socket.
Optionally, the bulb is more than 1/2nd of whole ball surface with the ball-and-socket matching surface, and when the ball
When head and ball-and-socket assembling, the ball-and-socket presses fit into the bulb from top to bottom.
Optionally, the outer surface of the inner surface of the ball-and-socket or the bulb provided with self-lubricating abrasion-proof material layer, it is described from
The sphere that the formation of lubricating and wear-resisting material layer coordinates with another one.
Optionally, the recessed joint and the bulb are split-type structural, and the connection end in the recessed joint is provided with peace
It behave affectedly, the cavity wall inner surface of the installation cavity offers mounting hole, and the bulb is positioned in the mounting hole;Also, it is described
Two relative mounting surface one of which of both installation cavity bottom wall and the bulb are provided with detent, and another one is provided with and institute
State the positioning convex that detent is engaged.
Optionally, the buttknuckle and the ball seat are split-type structural, the connection end that the buttknuckle stretches out backward
Mounting hole is provided with, the ball seat has the outer surface being engaged with the mounting hole, and the ball seat press-fits in the mounting hole
It is internal.
Optionally, the limiting component is the connection bearing pin for being horizontally set at the recessed joint, the connecting pin axle position in
After the ball-and-socket assembling of the top of the bulb, the bulb and the ball seat, the upper surface of the connection bearing pin and the ball seat
Between have predetermined gap, to limit the displacement that the buttknuckle is acted upwards.
Optionally, the limiting component also includes split pin, and the free end of the connection bearing pin is provided with radial direction through hole, institute
State the inside that split pin is arranged at the radial direction through hole.
Optionally, the upper surface of the ball seat is provided with taper surface, and the taper surface raises up, and the taper surface
The centre of sphere of summit and the ball seat be located at same vertical curve.
In addition, present invention also offers a kind of rolling stock, including bogie and the vehicle connection being fixed on bogie
Device, it is characterised in that the vehicle connecting device is the vehicle connecting device described in any of the above-described, the buttknuckle and institute
Stating the both ends in recessed joint, car body adjacent with front and rear two is fixedly connected respectively.
Because the rolling stock of the present invention includes the vehicle connecting device described in any of the above-described, therefore any of the above-described vehicle
Technique effect produced by attachment means is applied to the rolling stock of the present invention, and here is omitted.
Brief description of the drawings
Fig. 1 is the structural representation of prior art vehicle connecting device;
Fig. 2 is the structural representation of vehicle connecting device in an embodiment of the present invention;
Fig. 3 is the schematic top plan view of vehicle connecting device shown in Fig. 2;
Fig. 4 is the structural representation after ball seat is assembled with bulb;
Fig. 5 is the longitudinal sectional view of vehicle connecting device in another embodiment of the invention;
Fig. 6 press-fits the assembling schematic diagram in buttknuckle for ball seat in Fig. 5.
Wherein, the one-to-one relationship in Fig. 1 between component names and reference is as follows:
Buttknuckle 1 ', recessed joint 2 ', ball bearing 3 ', footstalk 31 ', bolt 41 ', disc spring 42 ', voussoir 43 ', packing ring 44 ',
Nut 45 ', dust cap 5 '
Wherein, one-to-one relationships of the Fig. 2 into Fig. 6 between component names and reference is as follows:
Buttknuckle 1, connection end 11, taper surface 11a, bulb 2, detent 21, recessed joint 3, positioning convex 31, ball seat
12nd, taper surface 12a, connection bearing pin 4, packing ring 5, split pin 6, centrepin 7, self-lubricating abrasion-proof material layer 8
Embodiment
The core of the present invention is a kind of rolling stock of offer and its vehicle connecting device, the vehicle connecting device power transfer surface
Product is greatly improved reliability of the vehicle connecting device in power transmittance process than larger, further increases vehicle traveling
Security.
Confirmed by numerous studies, the main cause of the phenomenon of rupture of footstalk 31 ' occurs in vehicle connecting device in the prior art
For:Load transmission is carried out by the matching surface between footstalk 31 ' and recessed joint 2 ' between recessed joint 2 ' and buttknuckle 1 '
Transmission, footstalk 31 ' is axially horizontally disposed, so the contact surface ratio between power transmittance process medial axis handle 31 ' and recessed joint 2 '
Smaller, when transmission is than larger power load, footstalk 31 ' is local because the pressure born is excessive, therefore easily fracture technique occurs and ask
Topic.
For above technical problem, this paper presents a solution, concrete scheme is seen description below in detail.
Herein by taking application of the vehicle connecting device in railway freight-car as an example, that is to say, that rolling stock is railway freight-car,
Technical scheme and technique effect is introduced, it will be understood by those skilled in the art that this paper technical schemes are in other railcars
Application in is also in this paper protection domain.
In order that those skilled in the art more fully understands technical scheme, it is below in conjunction with the accompanying drawings and specific real
Applying example, the present invention is described in further detail.
Fig. 2 to Fig. 4 is refer to, Fig. 2 is the structural representation of vehicle connecting device in an embodiment of the present invention;Fig. 3 is
The schematic top plan view of vehicle connecting device shown in Fig. 2;Fig. 4 is the structural representation after ball seat is assembled with bulb.
The invention provides a kind of vehicle connecting device, including buttknuckle 1, recessed joint 3, usually, the afterbody of buttknuckle 1
The central sill of previous car body in adjacent two car body is connected, the afterbody in recessed joint 3 connects the central sill of latter car body, it is necessary to illustrate,
Will be close to herein before headstock direction is defined as, it is corresponding be defined as close to tailstock direction after.Its concave joint 3, buttknuckle 1 and car
Body can be fixedly connected by welding manner.Buttknuckle 1 and recessed joint 3 after assembling are fixed on bogie jointly, generally
Mounting hole is additionally provided with installation accurate positioning, recessed joint, for centre of location pin 7, the cooperation position of bogie is also provided with
There is the mounting hole coordinated with centrepin 7.The connection end of buttknuckle can be provided with installation cavity, the peace for installation center pin 7
Fill the bottom wall that hole is located at installation cavity.
Buttknuckle 1 and the one of both of recessed joint 3 are provided with bulb 2 in the present invention, and the spherical surface of bulb 2 is up or down
Projection, another one is provided with the ball-and-socket for being machined with and coordinating with bulb 2 on ball seat 12, ball seat 12, that is to say, that bulb 2 can be set
Recessed joint 3 is placed in, buttknuckle 1 can also be arranged at.It should be noted that every herein refer to sphere, can be a ball
The part on the surface of body, is not necessarily referring to whole sphere, or whole sphere.In other words, sphere as described herein is broad sense
On sphere, can be whole sphere, can also only be a part for whole spherome surface, as long as the setting of sphere disclosure satisfy that
Buttknuckle 1 and the rotation demand of recessed joint 3 in the horizontal direction, lateral and vertical.
Horizontal direction as described herein is parallel car body direction, is laterally perpendicular to the side of horizontal direction in horizontal plane
To the left and right directions in i.e. Fig. 4, the vertical above-below direction in the direction of horizontal plane, i.e. Fig. 4.
Except above-mentioned points, limiting component is also further increased herein, and bulb 2 can be limited in ball-and-socket by limiting component
Portion, so as to ensure in power transmittance process, bulb 2 is deviate from from ball-and-socket.During according to two section connection body motions, allow relative fortune
The relative displacement of dynamic all directions can be realized by limiting component.
When connecting two car bodies using the vehicle connecting device of said structure, because of both buttknuckle 1 herein and recessed joint 3
Revolute pair is constituted by the spherical mating surface between bulb 2 and ball seat 12, therefore can realize that a car body is surrounded by the vertical of the centre of sphere
The rotation of line all directions.Secondly, when vehicle connecting device is driven tensile load, tensile force is transferred to latter by previous car body
The spherical mating surface that the tensile force of buttknuckle 1 is cooperated by bulb 2 and ball seat 12 in car body, vehicle connecting device is transferred to
Recessed joint 3, i.e. power transmitting is:1 → bulb of buttknuckle 2, ball seat 12 → recessed joint 3;Similarly, when vehicle connecting device is driven
When compressive load, vertical load, the compression stress and vertical force of buttknuckle 1 by bulb 2 and ball seat 12 cooperate it is spherical
Mating surface is transferred to recessed joint 3, i.e. power transmitting be for:1 → bulb of buttknuckle 2, ball seat 12 → recessed joint 3.
With in the prior art by footstalk transmit load compared with, this paper vehicle connecting devices tensile load, compressive load, hang down
Transmitted to load by the spherical mating surfaces between bulb 2 and ball-and-socket, i.e., the power transmission table of spherical mating surface formation
Face, the Area comparison of spherical mating surface is big, and corresponding force loaded area just than larger, is conducive to uniform load to transmit, even and if
Vehicle connecting device is in than under larger corner state, sphere-contact herein also ensure that loading end has than larger
Contact area, it is to avoid local load is excessive to there is bearing part phenomenon of rupture, it is ensured that vehicle safety in operation and improve carrying
The service life of part, and then improve the service life of vehicle connecting device.
Except above-mentioned points, bulb herein, ball seat can be molded using casting, forging, machining mode, cost ratio
It is relatively low, be easy to make.
Below herein with ball seat 12 be located at buttknuckle 1, bulb 2 be located at recessed joint 3 exemplified by, be further described technical scheme and
Technique effect.
Referring again to Fig. 2, in a kind of specific embodiment, ball seat 12 is arranged on buttknuckle 1, and Open Side Down for ball-and-socket,
Bulb 2 on recessed joint 3 is coordinated by the inner surface of press-loading process and ball-and-socket.Wherein, bulb 2 and recessed joint 3, ball seat 12 with it is convex
Joint 1 can be integral type structure, i.e., bulb 2, ball seat 12 are directly processed on recessed joint 3, buttknuckle 1;Bulb 2 and recessed joint
3rd, ball seat 12 and buttknuckle 1 can be Split type structure, i.e., bulb 2, ball seat 12 are individually processed, by the bulb 2 processed, ball seat 12
It is attached on recessed joint 3 and buttknuckle 1.
In order to increase the reliability that bulb 2 and ball-and-socket coordinate, bulb 2 is more than two points of whole ball surface with ball-and-socket matching surface
One of, that is to say, that the mating part that bulb 2 puts in ball-and-socket is more than hemisphere, i.e. more than half bulb 2 of ball-and-socket cladding.Such bulb 2
After press-fiting with ball-and-socket, level height of the lower surface of ball seat 12 less than ball-and-socket inner surface and the common centre of sphere in the outer surface of bulb 2.Please again
With reference to Fig. 4, the centre of sphere has height difference H with the lower surface of ball seat 12.And when bulb 2 and ball-and-socket are assembled, ball-and-socket is pressed from top to bottom
On bulb 2, the connected mode that this ball-and-socket is fitted on bulb 2 from top to bottom can be eliminated by the manufacturing, welding etc.
The error that packaging technology process is brought, is conducive to assembling.
After bulb 2 and ball-and-socket are used for a long time, both spheres that is engaged certainly exist a certain amount of wear extent, bulb 2
With ball-and-socket coordinate sphere abrasion may influence power transmission stability.Therefore following setting has also been carried out herein.
Further, in the various embodiments described above ball-and-socket inner surface or the outer surface of bulb 2 is provided with self-lubricating abrasion-proof material
Layer 8, self-lubricating abrasion-proof material layer 8 forms the sphere coordinated with another one.That is, the inner surface of ball-and-socket can set one layer
Self-lubricating abrasion-proof material layer 8, the outer surface of bulb 2 can also set one layer of self-lubricating abrasion-proof material layer 8, bulb 2 and setting ball
The ball seat 12 of nest can use Steel material, and self-lubricating abrasion-proof material layer 8 can have the characteristics that:Adhesion property is good, steel is rubbed
Wipe coefficient it is low, wear-resisting, with certain bearing capacity.
Self-lubricating abrasion-proof material layer 8 is so provided between ball-and-socket and bulb 2, self-lubricating abrasion-proof material layer 8 can not only
Flexibility when bulb 2 and ball-and-socket relative motion is improved, and the pivoting friction loss of bulb 2 or ball-and-socket can be reduced, is improved
The service life of bulb 2 and ball-and-socket.Also, because self-lubricating abrasion-proof material layer is 8 more resistant compared with ball seat 12, the material of bulb 2, therefore can be with
Extend the time between overhauls(TBO), reduce repair rate, be conducive to railway freight-car non-maintaining operation for a long time.
In addition, when the wear extent of self-lubricating abrasion-proof material layer 8, bulb 2 or ball-and-socket is more than preset value, will only can moisten certainly
Sliding one of wear-resistant material layer 8 and bulb 2 or ball-and-socket are changed, and save use cost.
In a kind of specific embodiment, the connecting portion in recessed joint 3 can be provided with installation cavity, the chamber of the installation cavity
Wall inner surface offers mounting hole, and the bulb 2 is positioned in the mounting hole;Wherein the set-up mode of mounting hole can have many
The mode of kind, as long as both reliable locations of bulb 2 and recessed joint 3 can be realized.
Also, two relative mounting surface one of which of both installation cavity bottom wall and bulb 2 are provided with detent, another one
It is provided with the positioning convex being engaged with detent.The bottom mounting surfaces that bulb 2 is given in Fig. 4, Fig. 4 be refer to provided with fixed
Position groove 21, installation cavity bottom wall sets the specific embodiment of positioning convex 31, and wherein detent, positioning convex can be annular
Structure, certain detent, positioning convex are not limited to loop configuration, or other structures, as long as bulb 2 can be realized
The positioning in installation cavity is installed on, the reliable delivery of power between the car body of normal vehicle operation two is met.
When bulb 2 is installed on inside installation cavity, ball can quickly be realized by the cooperation of detent and positioning convex
First 2 installation cavity position determination, improve installation effectiveness.
It is the vehicle connecting device of Split type structure, the connected mode of ball seat 12 and buttknuckle 1 for ball seat 12 and buttknuckle 1
There are diversified forms, both can be integral by press-fiting combination, for example:The connection end 11 that buttknuckle 1 stretches out backward can be with
Mounting hole is provided with, ball seat 12 has the outer surface being engaged with mounting hole, and ball seat 12 press-fits inside mounting hole.
Limiting component in the various embodiments described above can be the connection bearing pin 4 for being horizontally set at the recessed joint 3, for example when
The connection end in recessed joint 3 is provided with installation cavity, and connection bearing pin 4 is fastened transversely to the two side of installation cavity, it is necessary to illustrate, this
Direction in horizontal plane perpendicular to car body direction is defined as transverse direction by text.And the connection bearing pin 4 is located at the upper of the bulb 2
Side, preferably.The surface that bearing pin 4 is located at bulb 2 is connected, i.e., the axle of connection bearing pin 4 is passed through by the vertical curve of the centre of sphere of bulb 2
Line.After the ball-and-socket assembling of bulb 2 and the ball seat 12, have between the upper surface of the connection bearing pin 4 and the ball seat 12 pre-
Fixed gap, to limit the displacement that the buttknuckle 1 is acted upwards.Those skilled in that art can choose according to vehicle
The numerical value of suitable predetermined gap, normally drives safely as long as vehicle can be met, it is to avoid the disengaging of bulb 2 and ball-and-socket.
When the vehicle connecting device assembling in above-described embodiment, bulb 2 is first positioned to the installation of the recessed installation cavity of joint 3
Press-fit in hole, by ball seat 12 in the mounting hole of buttknuckle 1, then ball-and-socket is fitted on bulb 2 from top to bottom again, finally will
Connection bearing pin 4 is installed on recessed joint 3.
When bulb 2 and ball-and-socket are because being used for a long time with gap, when being easily separated from vehicle travel process, ball seat is arranged at
The connection bearing pin 4 of 12 tops can limit the up displacement of ball seat 12, it is to avoid ball seat 12 is completely disengaged from both bulbs 2, improve row
Car security.
Further, for the ease of connecting the installation of bearing pin 4, dismantling, limiting component can also include split pin 6, connection
The free end of bearing pin 4 is provided with radial direction through hole, and split pin 6 is arranged at the inside of radial direction through hole, it is to avoid connect bearing pin 4 from recessed joint
Depart from 3 mounting hole, and the fixed form is quick, simple.
In addition, can also increase packing ring 5 in limiting component, packing ring 5 is arranged between split pin 6 and recessed joint 3, it is to avoid opened
Mouthful pin 6 weares and teares recessed joint 3.
Lateral corner between two adjacent car bodies is bigger, and the stability of vehicle traveling is relatively poorer, but two adjacent car bodies
If between lateral corner it is too small, vehicle traveling flexibility will also decrease.In order to meet vehicle run stability and spirit
The Proper Match of activity, has also further carried out following setting herein.
Fig. 5 and Fig. 6 are refer to, Fig. 5 is the longitudinal sectional view of vehicle connecting device in another embodiment of the invention;Fig. 6
Press-fit the assembling schematic diagram in buttknuckle for ball seat in Fig. 5.
In another specific embodiment, the upper surface of ball seat 12 can be provided with taper surface 12a, taper surface 12a to
Upper projection, and taper surface 12a summit is located at same vertical curve with the centre of sphere of ball seat 12.It should be noted that institute herein
It can be circular conical surface to state taper surface 12a, or the taper surface being made up of multiple inclined-planes, i.e. taper surface are also sensu lato cone
Shape face.
When the lateral rotation angle of ball seat 12 is less than the angle of conical surface and horizontal direction, ball seat 12 can surround ball
First 2 normal rotation;But when the lateral rotation angle of ball seat 12 is equal to the angle of conical surface and horizontal direction, ball seat 12
Taper surface will be connected bearing pin 4, now because the taper surface of ball seat 12 with being connected bearing pin 4 against by limitation ball seat 12 continues lateral turn
Dynamic, i.e. the lateral rotation angular range of ball seat 12 is:0 degree to taper surface and horizontal plane angle.
The relative rotation angle that ball seat 12 and bulb 2 are limited in the embodiment is conducive to vehicle stabilization to travel.
Certainly, install ball seat 12 buttknuckle 1 connection end 11 can also respective design be taper surface 11a, with ball seat
12 taper surface 12a forms complete taper surface.
On the basis of above-mentioned vehicle connecting device, a kind of rolling stock, including bogie and fixation is also provided herein
In the vehicle connecting device on bogie, the vehicle connecting device is the vehicle connecting device described in any of the above-described embodiment,
Car body adjacent with front and rear two is fixedly connected respectively at the both ends in the buttknuckle 1 and the recessed joint 3.
A kind of rolling stock and its vehicle connecting device provided by the present invention are described in detail above.Herein
Apply specific case to be set forth the principle and embodiment of the present invention, the explanation of above example is only intended to help
Understand the method and its core concept of the present invention.It should be pointed out that for those skilled in the art, not taking off
On the premise of from the principle of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into this
In invention scope of the claims.
Claims (9)
1. a kind of vehicle connecting device, including buttknuckle (1), recessed joint (3), it is characterised in that the buttknuckle (1) and described
Recessed joint (3) one of both is provided with bulb, and the spherical surface of the bulb is raised up or down, and another one is provided with ball
Seat, the ball seat is machined with the ball-and-socket coordinated with the bulb;The vehicle connecting device also includes the bulb being limited in
Limiting component in the ball-and-socket;
The limiting component is the connection bearing pin (4) for being horizontally set at the recessed joint (3), and the connection bearing pin (4) is located at institute
The top of bulb is stated, after the ball-and-socket assembling of the bulb and the ball seat, the connection bearing pin (4) and the upper surface of the ball seat
Between have predetermined gap, to limit the displacement that the buttknuckle (1) is acted upwards.
2. vehicle connecting device as claimed in claim 1, it is characterised in that the ball seat is located at the buttknuckle (1), and institute
Stating ball-and-socket, Open Side Down, and the bulb is arranged at the recessed joint (3), and the bulb press-fits in the inside of the ball-and-socket.
3. vehicle connecting device as claimed in claim 2, it is characterised in that the bulb is more than with the ball-and-socket matching surface
/ 2nd of whole ball surface, and when the bulb and the ball-and-socket are assembled, the ball-and-socket is fitted in described from top to bottom
Bulb.
4. vehicle connecting device as claimed in claim 2, it is characterised in that the inner surface of the ball-and-socket or the bulb it is outer
Surface forms the sphere coordinated with another one provided with self-lubricating abrasion-proof material layer (8), the self-lubricating abrasion-proof material layer (8).
5. vehicle connecting device as claimed in claim 2, it is characterised in that the recessed joint (3) is split with the bulb
Formula structure, the connection end (11) of the recessed joint (3) is provided with installation cavity, and the cavity wall inner surface of the installation cavity offers peace
Hole is filled, the bulb is positioned in the mounting hole;Also, two relative installations of both the installation cavity bottom wall and the bulb
Face one of which is provided with detent, and another one is provided with the positioning convex being engaged with the detent.
6. vehicle connecting device as claimed in claim 2, it is characterised in that the buttknuckle (1) is split with the ball seat
Formula structure, the connection end (11) that the buttknuckle (1) is stretched out backward is provided with mounting hole, and the ball seat has to be installed with described
The outer surface that hole is engaged, the ball seat press-fits inside the mounting hole.
7. the vehicle connecting device as described in any one of claim 1 to 6, it is characterised in that the limiting component also includes opening
Mouth pin (6), the free end of the connection bearing pin (4) is provided with radial direction through hole, and the split pin (6) is arranged at the radial direction through hole
Inside.
8. the vehicle connecting device as described in any one of claim 1 to 6, it is characterised in that the upper surface of the ball seat is set
Have taper surface, the taper surface raises up, and the summit of the taper surface and the ball seat the centre of sphere be located at it is same vertical
Line.
9. a kind of rolling stock, including bogie and the vehicle connecting device being fixed on bogie, it is characterised in that the car
Attachment means are the two ends of the vehicle connecting device described in any one of claim 1 to 8, the buttknuckle and the recessed joint
Car body adjacent with front and rear two is fixedly connected respectively in portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510455474.XA CN104960539B (en) | 2015-07-29 | 2015-07-29 | A kind of rolling stock and its vehicle connecting device |
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CN201510455474.XA CN104960539B (en) | 2015-07-29 | 2015-07-29 | A kind of rolling stock and its vehicle connecting device |
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CN104960539A CN104960539A (en) | 2015-10-07 |
CN104960539B true CN104960539B (en) | 2017-08-25 |
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CN201510455474.XA Active CN104960539B (en) | 2015-07-29 | 2015-07-29 | A kind of rolling stock and its vehicle connecting device |
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CN105151073B (en) * | 2015-07-29 | 2017-11-10 | 中车齐齐哈尔车辆有限公司 | A kind of rolling stock and its vehicle connecting device |
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