CN208585249U - Rail truck, hitch and its coupler body - Google Patents
Rail truck, hitch and its coupler body Download PDFInfo
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- CN208585249U CN208585249U CN201821029251.2U CN201821029251U CN208585249U CN 208585249 U CN208585249 U CN 208585249U CN 201821029251 U CN201821029251 U CN 201821029251U CN 208585249 U CN208585249 U CN 208585249U
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Abstract
The utility model discloses a kind of rail truck, hitch and its coupler bodies, coupler body includes upper traction table, lower traction table, lock chamber and pin hole, the pulling face of the upper traction table and/or lower traction table is divided into contact zone and yielding area along close to the direction of the lock chamber, the extended surface of one end close to the lock chamber of the contact zone is the face M2, then the side close to the pin hole made a concession area and be located at the face M2.It is arranged such, distance of the cooperation contact carrying position away from lock chamber and locking face of coupler body and hook bolt increases, and then the cooperation contact carrying position of coupler body and hook bolt is far from structure sudden change region, to reduce the traction table stress level up and down of coupler body and hook bolt, breakage problem occurs to early in the traction table for avoiding coupler body and hook bolt, the service life of coupler body and hook bolt is extended, while reducing the maintenance cost of hitch.
Description
Technical field
The utility model relates to railway traffic technical fields, more specifically to a kind of rail truck, hitch and its hook
Body.
Background technique
Hitch be rail truck it is most basic be also one of most important component, the both ends of vehicle are installed on, for connecting
Connect adjacent two section vehicles and transmitting train longitudinal force.The type of hitch is more, but most widely used hitch is articulated type
Hitch, as shown in Figure 1, articulated type hitch includes that coupler body 03, hook bolt 01, hook lock, hook bolt push away the components such as iron, coupler knuckle pin 02, hook
Tongue 01 can rotate the opening and closing for realizing hitch around coupler knuckle pin 02.Main carrying position inside hitch is the traction table and hook of hook bolt 01
The traction table of body 03.As shown in Fig. 2, two hitches even hang the connection for realizing two adjacent section vehicles.
It is occurred mainly under stretching operating condition currently, fracture occurs for hitch, the main carrying position of hitch is leading for hook bolt 01
Draw the traction table of platform Yu coupler body 03.Shown in Fig. 3-4, there is upper traction table, lower traction table and locking face 01b in hook bolt 01.Such as Fig. 5-6
It is shown, there is traction table, lower traction table and lock chamber 03c on coupler body.As shown in fig. 7, being led in hook bolt when hook bolt and coupler body cooperate
The upper traction table 03a for drawing platform 01a and coupler body offsets, and the lower traction table 01d of hook bolt and the lower traction table 03e of coupler body offset, in turn
The upper pulling face 01c of hook bolt is contacted and is offseted with the upper pulling face 03b of coupler body, is led under the lower pulling face 01e and coupler body of hook bolt
Draw face 03e to contact and offset, to realize carrying.When the locking face 01b on hook lock and hook bolt 01 is contacted, hook lock can limit hook bolt
01 prevents it from rotating around coupler knuckle pin 02 so that hitch is in the lock state, the hook bolt 01 after hook lock is moved in lock chamber 03c
It rotates around coupler knuckle pin 02 so that hitch is in the unlocked state.
The upper traction table 03a and lower traction table 03e that can be seen that coupler body from Fig. 5-Fig. 6 are closer away from lock chamber 03c.Hook bolt 01
After being cooperatively connected with coupler body 03, under the contact area and hook bolt of the upper traction 03a platform of the upper traction table 01a and coupler body of hook bolt
The edge of the close lock chamber 03c of the contact area of the lower traction table 03d of traction table 01d and coupler body, structure have obvious mutation, cause
Stress of the traction table up and down of coupler body close to the root of locking face is more concentrated, and easily generates the root of the traction table up and down of coupler body disconnected
It splits, reduces the service life of coupler body, increase the replacement and the cost of overhaul of hitch, influence the operational safety of train.
It is current ability in conclusion how effectively to extend the service life of coupler body and reduce the maintenance cost of hitch
Field technique personnel's urgent problem.
Utility model content
In view of this, first of the utility model is designed to provide a kind of coupler body, the structure design of the coupler body can be with
Effectively extend the service life of coupler body and reduce the maintenance cost of hitch, second purpose of the utility model is to provide one kind
Hitch including above-mentioned coupler body and the rail truck including above-mentioned hitch.
In order to reach above-mentioned first purpose, the utility model is provided the following technical solutions:
A kind of coupler body, including upper traction table, lower traction table, lock chamber and pin hole, the upper traction table and/or lower traction table
Pulling face is divided into contact zone and yielding area, one end close to the lock chamber of the contact zone along close to the direction of the lock chamber
Extended surface be the face M2, then the side made a concession area and be located at the close pin hole in the face M2.
Preferably, in above-mentioned coupler body, connection and second end of the first end for making a concession area with the contact zone are far from institute
Contact zone is stated, which is the first extending direction and the coupler body along left side to right side and perpendicular to the direction of the pin hole axis
Front side be used for hook bolt cooperate, it is described make a concession area first end to second end along the extended distance of first extending direction
For L2,60mm > L2 > 10mm.
Preferably, in above-mentioned coupler body, the contact zone is curved surface.
Preferably, in above-mentioned coupler body, the contact zone is cambered surface, and its direction protrusion for being directed away from the pin hole.
Preferably, in above-mentioned coupler body, the area of making a concession is specially to be set to leading for the upper traction table and/or lower traction table
Draw the inner wall of the groove on face.
Preferably, in above-mentioned coupler body, the yielding area is curved surface.
Preferably, in above-mentioned coupler body, the pulling face of the upper traction table and lower traction table is each along close to the lock chamber
Direction is divided into contact zone and makes a concession area, and the extended surface of one end close to the lock chamber of the contact zone is the face M2, then described to move back
Area is allowed to be located at the side close to the pin hole in the face M2；
The yielding area of the upper traction table and the yielding area of the lower traction table are symmetrical arranged.
Preferably, vertical plane or edge in above-mentioned coupler body, along the section of the upper shock testing machine shock surface perpendicular to the coupler body
Obtain the upper shock testing machine perpendicular to the vertical plane cutting of section of upper guard pin flange pulling face of the coupler body hook bolt and impact
The section J of the section I in face and the upper guard pin flange shock surface, the minimum horizontal distance between the section I and section J are f,
And 15mm≤f≤30mm；And/or
Along the vertical plane of the section of the lower shock testing machine shock surface perpendicular to the coupler body or along perpendicular under the coupler body
The vertical plane cutting of the section of the guard pin flange pulling face hook bolt obtain the lower shock testing machine shock surface section K and the lower shield
Sell the section M of flange shock surface, minimum horizontal distance between the section K and section M is g, and 15mm≤g≤30mm.
Preferably, in above-mentioned coupler body, along the vertical plane of the section perpendicular to the pin hole inner wall or along perpendicular to institute
It states the vertical plane cutting of the section of the guard pin flange pulling face hook bolt and obtains the section N and the upper guard pin of the pin hole inner wall
The section O of flange shock surface, minimum horizontal distance between the section N and section O are h, and 15mm≤h≤30mm；With/
Or,
Along the vertical plane of the section perpendicular to the pin hole inner wall or along perpendicular to the lower guard pin flange pulling face
The vertical plane cutting of the section hook bolt obtain the section P of the pin hole inner wall and the section Q of the lower guard pin flange shock surface,
Minimum horizontal distance between the section P and section Q is i, and 15mm≤i≤30mm.
A kind of hitch, including hook bolt and coupler body, the coupler body are the coupler body as described in any one of above-mentioned.
A kind of rail truck, including hitch, the hitch are hitch as described above.
When cooperating using coupler body provided by the utility model and hook bolt, the pulling face of the upper traction table of coupler body and hook bolt it is upper
The traction face contact of traction table offsets, the traction face contact phase of the lower traction table of the pulling face and hook bolt of the lower traction table of coupler body
It supports, and the traction table of coupler body is located at the side of the close pin hole of the traction table of hook bolt.Due to coupler body upper traction table and/or under
It is provided on traction table and makes a concession area, and make a concession the side that area is located at the close pin hole of contact zone extended surface, therefore the utility model
Yielding area when the coupler body and hook bolt that embodiment provides cooperate, on the upper traction table of coupler body and/or the pulling face on lower traction table
Between the pulling face on the traction table of hook bolt there is gap cannot contact, while the upper traction table and/or lower traction table of coupler body
On pulling face on contact zone and hook bolt traction table on pulling face be bonded to each other contact and the two and do not have gap.
So set, being located at contact zone close to the side of lock chamber and between yielding area and the traction table of hook bolt due to making a concession area
It with gap and does not contact, therefore increases the upper traction table and/or lower traction table and the traction table contact area of hook bolt of coupler body
Distance of the edge away from lock chamber, so that distance of the cooperation contact carrying position away from lock chamber and locking face of coupler body and hook bolt increases, in turn
The cooperation contact carrying position of coupler body and hook bolt is far from structure sudden change region, to reduce the traction up and down of coupler body and hook bolt
Breakage problem occurs to early in platform stress level, the traction table for avoiding coupler body and hook bolt, extends the use longevity of coupler body and hook bolt
Life, while reducing the maintenance cost of hitch.
In order to reach above-mentioned second purpose, the utility model additionally provides a kind of hitch and rail truck, the hitch packet
Hook bolt and coupler body are included, wherein coupler body is coupler body described in any of the above embodiments, which includes above-mentioned hitch, therefore the hitch
Should also have corresponding technical effect with rail truck.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of single hitch in the prior art；
Fig. 2 is that two hitches are in schematic diagram when connecting extension state in the prior art；
Fig. 3 is the top view of hook bolt in the prior art；
Fig. 4 is the bottom view of hook bolt in the prior art；
Fig. 5 is the cross-sectional view of coupler body in the prior art；
Fig. 6 is another cross-sectional view of coupler body in the prior art；
It is the cross-sectional view of hook bolt in the prior art and coupler body cooperation in Fig. 7；
Fig. 8 is a kind of cross-sectional view of the coupler body provided in the utility model embodiment；
Fig. 9 is another cross-sectional view of the coupler body provided in the utility model embodiment；
Figure 10 is the cross-sectional view of contact zone position provided by the embodiment of the utility model；
Figure 11 is the cross-sectional view for the coupler body that another embodiment of the utility model provides；
Figure 12 is another cross-sectional view for the coupler body that another embodiment of the utility model provides；
Figure 13 is cross-sectional view of the coupler body that provides of another embodiment of the utility model along vertical plane cutting；
Figure 14 is the cross-sectional view of the hook bolt that another embodiment of the utility model provides and coupler body cooperation.
In figures 1-7:
It is led under 01- hook bolt, the upper traction table of 01a- hook bolt, 01b- locking face, the upper pulling face of 01c- hook bolt, 01d- hook bolt
Draw the upper traction of platform, the lower pulling face of 01e- hook bolt, 02- coupler knuckle pin, 03- coupler body, the upper traction table of 03a- coupler body, 03b- coupler body
The lower pulling face of chamber, the lower traction table of 03d- coupler body, 03e- coupler body is locked in face, 03c-；
In Fig. 8-Figure 14:
The upper traction table of 201- coupler body, the upper shock surface of 202- coupler body, the upper guard pin flange of 203- coupler body, 205- coupler body
Lower traction table, the contact zone 211a-, 211b- make a concession area, the pin hole of 204- coupler body, the lower traction table of 205- coupler body, 206- coupler body
Lower shock surface, the lower guard pin flange of 207- coupler body, 209- lock chamber；
Upper traction table, 102- neck, the lower traction table of 108- hook bolt, 116- coupler knuckle pin of 101- hook bolt.
Specific embodiment
First of the utility model is designed to provide a kind of coupler body, and the structure design of the coupler body can effectively extend
The service life of coupler body and the maintenance cost for reducing hitch, it includes above-mentioned hook that second purpose of the utility model, which is to provide a kind of,
The hitch of body and rail truck including above-mentioned hitch.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", " left side " and " right side "
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, and being merely for convenience of description, this is practical new
Type and simplified description, rather than the position of indication or suggestion meaning or element must have particular orientation, with specific orientation structure
At and operation, therefore should not be understood as the limitation of the utility model.In addition, term " first ", " second " are used for description purposes only,
It is not understood to indicate or imply relative importance.
Please refer to Fig. 8-Figure 10, coupler body provided by the embodiment of the utility model include upper traction table 201, lower traction table 205,
Chamber 209 and pin hole 204 are locked, wherein lock chamber 209 is for accommodating hook lock so that hook bolt can be around the rotation of coupler knuckle pin 116, pin hole 204
For passing through coupler knuckle pin 116.Focus on, the pulling face of upper traction table 201 and/or lower traction table 205 is along moving closer to lock
The direction of chamber 209 is divided into relief area 211a and makes a concession area 211b, i.e., at least one in upper traction table 201 and lower traction table 205
A pulling face is divided into relief area 211a and makes a concession area 211b, and makes a concession area 211b than relief area 211a closer to lock
Chamber 209 is divided into relief area 211a along the direction for moving closer to lock chamber 209 that is, on pulling face and makes a concession area 211b.
In addition, the extended surface of one end of the close lock chamber 209 of relief area 211a is the face M2, then makes a concession area 211b and be located at M2
The side of the close pin hole 204 in face.If the first end of relief area 211a is connect with area 211b is made a concession, the above-mentioned face M2 is as non-
The extended surface of the first end of contact zone 211a, and area 211b is made a concession between the face M2 and pin hole 204.When above-mentioned coupler body is in
When normal operating condition, the section in the face M2, the section of relief area 211a and the yielding area that are obtained along horizontal plane cutting coupler body
The section of 211b, the section in the face M2 are the extended line in the section of relief area 211a, and the section for making a concession area 211b is located at the face M2
Between section and the section of pin hole 204.
It should be noted that above-mentioned pin hole 204 and pin hole 204 and lock chamber on lock chamber 209 and coupler body in the prior art
209 is identical, and pin hole 204 is located at the front side of coupler body, and the front side of coupler body is used to cooperate with hook bolt.
When cooperating using coupler body provided by the embodiment of the utility model and hook bolt, the pulling face of the upper traction table 201 of coupler body
It offsets with the traction face contact of the upper traction table 101 of hook bolt, the pulling face of the lower traction table 205 of coupler body and the lower traction table of hook bolt
108 traction face contact offsets, and the traction table of coupler body is located at the side of the close pin hole 204 of the traction table of hook bolt.Due to
It is provided on the upper traction table 201 and/or lower traction table 205 of coupler body and makes a concession area 211b, and made a concession area 211b and be located at relief area
The side of the close pin hole 204 of 211a extended surface, therefore when coupler body provided by the embodiment of the utility model and hook bolt cooperation, coupler body
Upper traction table 201 and/or lower traction table 205 on pulling face on the traction table for making a concession area 211b and hook bolt on pulling face
Between there is gap cannot contact, while non-on the upper traction table 201 of coupler body and/or the pulling face on lower traction table 205 connects
Pulling face on touching area 211a and the traction table of hook bolt is bonded to each other contact and the two does not have gap.
So set, being located at side and yielding area 211b of the relief area 211a close to lock chamber 209 due to making a concession area 211b
There is gap between the traction table of hook bolt and do not contact, therefore increase the upper traction table 201 and/or lower traction table 205 of coupler body
With the edge of the traction table contact area of hook bolt away from locking at a distance from chamber 209, so that the cooperation contact carrying position of coupler body and hook bolt
Distance away from lock chamber 209 and locking face increases, and then the cooperation contact carrying position of coupler body and hook bolt is far from structure sudden change region,
To reduce the traction table stress level up and down of coupler body and hook bolt, fracture is occurred to early in the traction table for avoiding coupler body and hook bolt
Problem, extends the service life of coupler body and hook bolt, while reducing the maintenance cost of hitch.
In one embodiment, it makes a concession first end and the relief area 211a connection of area 211b and second end is separate contacts
Area, i.e. yielding area 211b along being respectively first end and second end close to the both ends in direction of lock chamber 209, wherein first end with it is non-
Contact zone 211a connection, second end is than first end far from relief area 211a.The front side of the coupler body is used to cooperate with hook bolt, the hook
The rear side of body is used to be cooperatively connected with vehicle, when which is in normal operating condition, the left side of left and right side and vehicle
Consistent with right side, i.e., the coupler body is vertical along the direction in left side to right side and the direction of vehicle driving.Wherein, the coupler body is along a left side
The first end of area 211b is made a concession to second end along the in side to right side and be the first extending direction perpendicular to the direction of pin hole axis
The extended distance of one extending direction is L2,60mm > L2 > 10mm.It so ensure that the cooperation contact carrying position of coupler body and hook bolt
It sets the distance away from lock chamber 209 to be greater than 10mm and be less than 60mm, for example can be 12mm, 15mm etc., and then effectively reduce coupler body
The stress of traction table.Specifically, make a concession area 211b first end different location along the first extending direction to second end not
Extended distance with position is L2.
Certainly, according to the actual situation make a concession area 211b first end to second end along the extended distance of the first extending direction
L2 can also be other values, be not limited thereto.
It misplaces when coupler body cooperates with hook bolt in order to prevent, relief area 211a can be curved surface, and similarly hook bolt is led
The region drawn on the pulling face of platform with contact zone cooperation is also curved surface.It so can prevent coupler body from mutually sliding with hook bolt, occur
Offset dislocation.
In addition, relief area 211a may be cambered surface.Specifically, and relief area 211a can be directed away from pin hole
204 direction protrusion, certain relief area 211a can also be not limited thereto towards close to the direction of pin hole 204 protrusion.
Relief area 211a can also be other types of curved surface, such as spherical surface part or relief area 211a also
It can be plane.
Preferably, making a concession area 211b can be specially the pulling face for being set to traction table 201 and/or lower traction table 205
On groove inner wall.Groove directly so is opened up on the pulling face of upper traction table 201 and/or lower traction table 205, is grasped
It is simpler convenient to make.
In another embodiment, make a concession area 211b can be curved surface, due to make a concession area 211b not with the traction of hook bolt
Platform contact, therefore make a concession area 211b and can have any shape, as long as guaranteeing that coupler body and hook bolt cooperation retreat and allow area 211b and hook bolt
Traction table between have gap.
Certainly, making a concession area 211b can be cambered surface or plane, be not limited thereto.
In a preferred embodiment, the pulling face of the upper traction table 201 of coupler body and lower traction table 205 is each along close to lock chamber
209 direction is divided into relief area 211a and makes a concession area 211b, i.e., has relief area on coupler body on the pulling face of traction table 201
211a and yielding area 211b, while also there is on the pulling face of traction table 205 relief area 211a and yielding area 211b under coupler body.
It is of course also possible to which only there is on the pulling face of traction table 201 on coupler body relief area 211a and make a concession area 211b, and led under coupler body
Draw on the pulling face of platform 205 and does not have relief area 211a and yielding area 211b.Alternatively, only under coupler body traction table 205 traction
There is relief area 211a on face and make a concession area 211b, and do not have relief area on coupler body on the pulling face of traction table 201
211a and yielding area 211b.
When the upper traction table 201 of coupler body and the pulling face of lower traction table 205 are non-each along being divided into close to the direction of lock chamber 209
Contact zone 211a and when making a concession area 211b, the yielding area 211b for making a concession area 211b and lower traction table 205 of upper traction table 201 can be with
Shape is identical or shape is different.Wherein, in the yielding area 211b for making a concession area 211b and lower traction table 205 of upper traction table 201
One be curved surface and another be plane, specifically can the above traction table 201 yielding area 211b be cambered surface, lower traction table 205
Yielding area 211b be plane, be not limited thereto.
Alternatively, when the upper traction table 201 of coupler body and the pulling face of lower traction table 205 are each along close to the direction of lock chamber 209
When being divided into relief area 211a and making a concession area 211b, the yielding area of yielding the area 211b and lower traction table 205 of upper traction table 201
211b can be symmetrical arranged, and specifically the yielding area 211b of upper traction table 201 and the yielding area 211b of lower traction table 205 can edges
Horizontal plane be symmetrical arranged, be not limited thereto.
The coupler body that the utility model is implemented to improve includes upper guard pin flange 203, upper shock testing machine, upper traction table 201, lower guard pin
Flange 207, lower shock testing machine, lower traction table 205 and pin hole 204, wherein pin hole 204 is used for across coupler knuckle pin.Hook bolt is matched with coupler body
After the company of conjunction hangs, the neck 102 of hook bolt is located between the upper traction table 201 of coupler body and lower traction table 205, the upper guard pin flange of hook bolt
Carrying, the pulling face of the lower guard pin flange of hook bolt are realized in the pulling face cooperation of the upper guard pin flange 203 of 203 pulling face and coupler body
Carrying is realized in pulling face cooperation with the lower guard pin flange 207 of coupler body；Meanwhile hook bolt upper shock testing machine shock surface and coupler body it is upper
Carrying is realized in the cooperation of shock testing machine shock surface, and the lower shock testing machine shock surface cooperation of the lower shock testing machine shock surface and coupler body of hook bolt, which is realized, holds
It carries；Carrying, the lower traction of hook bolt are realized in 201 pulling face of the upper traction table cooperation of 101 pulling face of upper traction table and coupler body of hook bolt
Carrying is realized in the cooperation of 205 pulling face of lower traction table of 108 pulling face of platform and coupler body.
Focus on, along the vertical plane of the section perpendicular to upper shock testing machine shock surface or along perpendicular to upper guard pin flange
The vertical plane cutting of the section of the 203 pulling faces coupler body obtains section I and the impact of upper guard pin flange 203 of shock testing machine shock surface
The section J in face, minimum horizontal distance between section I and section J are f, and 15mm≤f≤30mm.That is the upper shock testing machine of coupler body
The i.e. upper shock surface 202 of shock surface is curved surface, and the vertical plane vertical with the section of upper shock testing machine shock surface of coupler body is the 5th vertical
Face, and the section of above-mentioned upper shock testing machine shock surface can be the section of any position on upper shock testing machine shock surface.Upper guard pin flange
203 pulling faces be curved surface, the vertical plane vertical with the section of upper 203 pulling face of guard pin flange be the 6th vertical plane, and it is above-mentioned on
The section of 203 pulling face of guard pin flange can be the section of any position on upper 203 pulling face of guard pin flange.It is vertical along the 5th
Face or the 6th vertical plane cutting coupler body obtain the section I of shock testing machine shock surface and the section of upper 203 shock surface of guard pin flange
J, i.e. the 5th vertical plane intersect with upper 203 pulling face of guard pin flange and upper shock testing machine shock surface, vertical along the 5th to realize
The section I of shock testing machine shock surface and the section J of upper 203 shock surface of guard pin flange can be obtained when the face cutting coupler body simultaneously.
Similarly, the 6th vertical plane intersects with upper 203 pulling face of guard pin flange and upper shock testing machine shock surface, perpendicular along the 6th to realize
The section I of shock testing machine shock surface and the section of upper 203 shock surface of guard pin flange can be obtained when facing the cutting coupler body directly simultaneously
J。
Minimum horizontal distance between above-mentioned section I and section J is f, and 15mm≤f≤30mm.Above-mentioned minimum level away from
From the minimum value on specially section I in the horizontal distance of the section J of multiple positions extremely.Section I and section J is lines.
In addition, along the vertical plane of the section perpendicular to lower shock testing machine shock surface or along perpendicular to lower guard pin flange 207
The vertical plane cutting of the section of the pulling face coupler body obtains the section K and lower 207 shock surface of guard pin flange of lower shock testing machine shock surface
Section M, minimum horizontal distance between section K and section M is g, and 15mm≤g≤30mm.That is the lower shock testing machine punching of coupler body
Hitting face and descending shock surface 206 is curved surface, and the vertical plane vertical with the section of lower shock testing machine shock surface of coupler body is the 7th vertical plane,
And the section of above-mentioned lower shock testing machine shock surface can hit the section of any position on platform shock surface for undershoot.Lower guard pin flange 207
Pulling face is curved surface, and the vertical plane vertical with the section of lower 207 pulling face of guard pin flange is the 8th vertical plane, and above-mentioned lower guard pin
The section of 207 pulling face of flange can be the section of any position on lower 207 pulling face of guard pin flange.Along the 7th vertical plane or
The 8th vertical plane cutting coupler body obtains the section K of lower shock testing machine shock surface and the section M of lower 207 shock surface of guard pin flange, i.e.,
7th vertical plane intersects with lower 207 pulling face of guard pin flange and lower shock testing machine shock surface, is cutd open with realizing along the 7th vertical plane
The section K of lower shock testing machine shock surface and the section M of lower 207 shock surface of guard pin flange can be obtained when cutting the coupler body simultaneously.Equally
Ground, the 8th vertical plane intersect with lower 207 pulling face of guard pin flange and lower shock testing machine shock surface, to realize along the 8th vertical plane
The section K of lower shock testing machine shock surface and the section M of lower 207 shock surface of guard pin flange can be obtained when the cutting coupler body simultaneously.
Minimum horizontal distance between above-mentioned section K and section M is g, and 15mm≤g≤30mm.Above-mentioned minimum level away from
From the minimum value on specially section K in the horizontal distance of the section M of multiple positions extremely.Section K and section M is lines.
In coupler body provided by the embodiment of the utility model, by adjusting the shock testing machine and guard pin flaunching structure of coupler body, make hook
The shock testing machine and guard pin flange distance value of body are 15-30mm, improve the structural strength of coupler body guard pin flange, and make shock testing machine
It is increased at a distance from traction table, keeps shock testing machine excessively gentle with traction table, drop stress concentration, improved intensity, hook bolt is avoided to protect
Breakage problem occurs to early in transition region between pin flange, shock testing machine and traction table, and then extends the service life of hook bolt, reduces
The maintenance cost of hitch.
In above-mentioned coupler body, it is preferable that along the vertical plane of the section perpendicular to 204 inner wall of pin hole or along perpendicular to upper
The vertical plane cutting of the section of 203 pulling face of the guard pin flange coupler body obtain 204 inner wall of pin hole section N and upper guard pin flange
The section O of 203 shock surfaces, minimum horizontal distance between section N and section O are h, and 15mm≤h≤30mm.That is the present embodiment
204 inner wall of pin hole of middle coupler body is cylindrical surface, and the vertical plane vertical with the section of 204 inner wall of pin hole of coupler body is the 13rd vertical
Face, and the section of 204 inner wall of above-mentioned pin hole can be the section of any position on 204 inner wall of pin hole.Upper guard pin flange 203 is drawn
Face is curved surface, and the vertical plane vertical with the section of upper 203 pulling face of guard pin flange is the 14th vertical plane, and above-mentioned upper guard pin is prominent
The section of 203 pulling face of edge can be the section of any position on upper 203 pulling face of guard pin flange.Along the 13rd vertical plane or
The 14th vertical plane cutting coupler body obtains the section N of 204 inner wall of pin hole and the section O of upper 203 shock surface of guard pin flange, i.e., and
13 vertical planes intersect with upper 203 pulling face of guard pin flange and 204 inner wall of pin hole, to realize along the 13rd vertical plane cutting
The section N of 204 inner wall of pin hole and the section O of upper 203 shock surface of guard pin flange can be obtained when the coupler body simultaneously.Similarly,
13 vertical planes intersect with upper 203 pulling face of guard pin flange and 204 inner wall of pin hole, to realize along the 13rd vertical plane cutting
The section N of 204 inner wall of pin hole and the section O of upper 203 shock surface of guard pin flange can be obtained when the coupler body simultaneously.
Minimum horizontal distance between above-mentioned section N and section O is h, and 15mm≤h≤30mm.Above-mentioned minimum level away from
From the minimum value on specially section N in the horizontal distance of the section O of multiple positions extremely.Section N includes two lines item, section O
It is lines.
Furthermore it is also possible to along the vertical plane of the section perpendicular to 204 inner wall of pin hole or along perpendicular to lower guard pin flange
The vertical plane cutting of the section of the 207 pulling faces coupler body obtains the section P and lower 207 shock surface of guard pin flange of 204 inner wall of pin hole
Section Q, minimum horizontal distance between section P and section Q is i, and 15mm≤i≤30mm.I.e. in the present embodiment, coupler body
204 inner wall of pin hole is cylindrical surface, and the vertical plane vertical with the section of 204 inner wall of pin hole of coupler body is the 15th vertical plane, and on
The section for stating 204 inner wall of pin hole can be the section of any position on 204 inner wall of pin hole.Lower 207 pulling face of guard pin flange is song
Face, the vertical plane vertical with the section of lower 207 pulling face of guard pin flange are the 16th vertical plane, and above-mentioned lower guard pin flange 207
The section of pulling face can be the section of any position on lower 207 pulling face of guard pin flange.Along the 15th vertical plane or the tenth
The six vertical plane cutting coupler bodies obtain the section P of 204 inner wall of pin hole and the section Q of upper 203 shock surface of guard pin flange, i.e., and the ten five
Vertical plane intersects with lower 207 pulling face of guard pin flange and 204 inner wall of pin hole, to realize along the 15th vertical plane cutting hook
The section P of 204 inner wall of pin hole and the section Q of lower 207 shock surface of guard pin flange can be obtained when body simultaneously.Similarly, the ten six
Vertical plane intersects with lower 207 pulling face of guard pin flange and 204 inner wall of pin hole, to realize along the 16th vertical plane cutting hook
The section P of 204 inner wall of pin hole and the section Q of lower 207 shock surface of guard pin flange can be obtained when body simultaneously.
Minimum horizontal distance between above-mentioned section P and section Q is i, and 15mm≤i≤30mm.Above-mentioned minimum level away from
From the minimum value on specially section P in the horizontal distance of the section Q of multiple positions extremely.Section P includes two lines item, section Q
It is lines.
So set, making coupler body guard pin flaunching structure to 204 distance value 15-30mm of pin hole, guard pin flange is improved
Structural strength, and reduce shock testing machine compared with the existing technology at a distance from traction table, keep structure moderate, improves coupler body shield
Flange, the structural strength of traction table are sold, avoids that breakage problem occurs to early.
In another embodiment, the upper traction table 201 of coupler body and lower traction table 205 in the vertical direction minimum extend away from
From for j, then j >=120mm.In vertical direction between the point of i.e. upper 201 bottom of traction table and the point of lower 205 the top of traction table
On extended distance be j.So set, the structure for the coupler body that adjustment cooperates with hook bolt neck 102, makes hook bolt neck 102 in height
It is further increased in degree size, the stress level of hook bolt neck 102 can be reduced, improve the overall structural strength of hook bolt neck 102.
Preferably, upper 203 pulling face of guard pin flange of the upper shock testing machine shock surface of coupler body and coupler body can be cambered surface,
Upper 203 pulling face of guard pin flange of middle coupler body may include multiple cambered surfaces, and multiple cambered surfaces are not on same cylindrical surface.Equally
Ground, the lower shock testing machine shock surface of coupler body and lower 207 pulling face of guard pin flange of coupler body can be cambered surface, wherein the lower shield of coupler body
Selling 207 pulling face of flange may include multiple cambered surfaces, and multiple cambered surfaces are not on same cylindrical surface.
The coupler body provided in based on the above embodiment, the utility model additionally provide a kind of hitch, which includes hook bolt
And coupler body, wherein coupler body is coupler body described in any of the above-described embodiment.Since the hitch uses the coupler body in above-described embodiment,
So the beneficial effect of the hitch please refers to above-described embodiment.
In addition, present invention also provides a kind of rail trucks comprising above-mentioned hitch, therefore the beneficial effect of the rail truck
Fruit please refers to above-described embodiment.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of coupler body, including upper traction table (201), lower traction table (205), lock chamber (209) and pin hole (204), feature exists
In the pulling face of the upper traction table (201) and/or lower traction table (205) is divided into along close to the direction of lock chamber (209)
Contact zone (211a) and yielding area (211b), the extended surface of one end close to lock chamber (209) of the contact zone (211a)
For the face M2, then yielding area (211b) is located at the side close to the pin hole (204) in the face M2.
2. coupler body according to claim 1, which is characterized in that the first end for making a concession area (211b) and the contact zone
The connection of (211a) and second end is far from the contact zone (211a), the coupler body is along left side to right side and perpendicular to the pin hole
(204) direction of axis is used to cooperate with hook bolt for the front side of the first extending direction and the coupler body, yielding area (211b)
First end is L2,60mm > L2 > 10mm along the extended distance of first extending direction to second end.
3. coupler body according to claim 1, which is characterized in that the contact zone (211a) is curved surface.
4. coupler body according to claim 1, which is characterized in that the contact zone (211a) is cambered surface, and it is directed away from
The direction protrusion of the pin hole (204).
5. coupler body according to claim 1, which is characterized in that the yielding area (211b) is specially to be set on described to lead
Draw the inner wall of the groove on the pulling face of platform (201) and/or lower traction table (205).
6. coupler body according to claim 1, which is characterized in that the yielding area (211b) is curved surface.
7. coupler body according to claim 1, which is characterized in that along cutting for the upper shock testing machine shock surface perpendicular to the coupler body
The vertical plane in face is obtained along the coupler body perpendicular to the vertical plane cutting of section of upper guard pin flange (203) pulling face of the coupler body
To the section I of the upper shock testing machine shock surface and the section J, the section I and section of upper guard pin flange (203) shock surface
Minimum horizontal distance between J is f, and 15mm≤f≤30mm；And/or
Along the vertical plane of the section of the lower shock testing machine shock surface perpendicular to the coupler body or along the lower guard pin perpendicular to the coupler body
The vertical plane cutting of section of flange (207) pulling face coupler body obtain the lower shock testing machine shock surface section K and it is described under
The section M of guard pin flange (207) shock surface, minimum horizontal distance between the section K and section M are g, and 15mm≤g≤
30mm。
8. coupler body according to claim 7, which is characterized in that along the section perpendicular to the pin hole (204) inner wall
Vertical plane obtains the pin along the coupler body perpendicular to the vertical plane cutting of section of upper guard pin flange (203) pulling face
The section O of the section N of hole (204) inner wall and upper guard pin flange (203) shock surface, between the section N and section O most
Small horizontal distance is h, and 15mm≤h≤30mm；And/or
Along the vertical plane of the section perpendicular to the pin hole (204) inner wall or along perpendicular to the lower guard pin flange (207)
The vertical plane cutting of the section of the pulling face coupler body obtain the pin hole (204) inner wall section P and the lower guard pin flange
(207) the section Q of shock surface, minimum horizontal distance between the section P and section Q are i, and 15mm≤i≤30mm.
9. a kind of hitch, including hook bolt and coupler body, which is characterized in that the coupler body is as described in any one of claim 1-8
Coupler body.
10. a kind of rail truck, including hitch, which is characterized in that the hitch is hitch as claimed in claim 9.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821029251.2U CN208585249U (en) | 2018-06-29 | 2018-06-29 | Rail truck, hitch and its coupler body |
| US16/975,832 US11560161B2 (en) | 2018-06-29 | 2019-06-26 | Railway vehicle, coupler, and coupler body thereof |
| CA3089797A CA3089797C (en) | 2018-06-29 | 2019-06-26 | Railway vehicle, coupler, and coupler body thereof |
| PCT/CN2019/092974 WO2020001469A1 (en) | 2018-06-29 | 2019-06-26 | Railway vehicle, coupler, and coupler body thereof |
| BR112020016448-8A BR112020016448A2 (en) | 2018-06-29 | 2019-06-26 | RAIL VEHICLE, COUPLER AND COUPLER BODY OF THE SAME |
| AU2019296795A AU2019296795B2 (en) | 2018-06-29 | 2019-06-26 | Railway vehicle, coupler, and coupler body thereof |
| ZA2020/04950A ZA202004950B (en) | 2018-06-29 | 2020-08-11 | Railway vehicle, coupler, and coupler body thereof |
| AU2022203530A AU2022203530A1 (en) | 2018-06-29 | 2022-05-24 | Railway vehicle, coupler, and coupler body thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821029251.2U CN208585249U (en) | 2018-06-29 | 2018-06-29 | Rail truck, hitch and its coupler body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208585249U true CN208585249U (en) | 2019-03-08 |
Family
ID=65539210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821029251.2U Withdrawn - After Issue CN208585249U (en) | 2018-06-29 | 2018-06-29 | Rail truck, hitch and its coupler body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208585249U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528471A (en) * | 2018-06-29 | 2018-09-14 | 中车齐齐哈尔车辆有限公司 | Rail truck, hitch and its coupler body |
| WO2020001469A1 (en) * | 2018-06-29 | 2020-01-02 | 中车齐齐哈尔车辆有限公司 | Railway vehicle, coupler, and coupler body thereof |
| CN115465071A (en) * | 2022-09-26 | 2022-12-13 | 阿尔特汽车技术股份有限公司 | Connection structure and vehicle |
-
2018
- 2018-06-29 CN CN201821029251.2U patent/CN208585249U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528471A (en) * | 2018-06-29 | 2018-09-14 | 中车齐齐哈尔车辆有限公司 | Rail truck, hitch and its coupler body |
| WO2020001469A1 (en) * | 2018-06-29 | 2020-01-02 | 中车齐齐哈尔车辆有限公司 | Railway vehicle, coupler, and coupler body thereof |
| CN108528471B (en) * | 2018-06-29 | 2024-01-12 | 中车齐齐哈尔车辆有限公司 | Railway vehicle, coupler and coupler body thereof |
| CN115465071A (en) * | 2022-09-26 | 2022-12-13 | 阿尔特汽车技术股份有限公司 | Connection structure and vehicle |
| CN115465071B (en) * | 2022-09-26 | 2024-06-11 | 阿尔特汽车技术股份有限公司 | Connection structure and vehicle |
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