CN207747890U - A kind of Undercarriage structure for train - Google Patents
A kind of Undercarriage structure for train Download PDFInfo
- Publication number
- CN207747890U CN207747890U CN201721850295.7U CN201721850295U CN207747890U CN 207747890 U CN207747890 U CN 207747890U CN 201721850295 U CN201721850295 U CN 201721850295U CN 207747890 U CN207747890 U CN 207747890U
- Authority
- CN
- China
- Prior art keywords
- support arm
- welding
- extension
- underframe
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Connection Of Plates (AREA)
Abstract
The utility model discloses a kind of Undercarriage structure for train, and Undercarriage structure includes welding of underframe component and the chassis support arm structure being connected with welding of underframe component, is fixedly connected by riveted structure between welding of underframe component and chassis support arm structure;Welding of underframe component includes rack body and is located at the supporting rack of one side-lower of rack body, and the lower section of the rack body other side is equipped with chassis support arm structure;Chassis support arm structure includes branch arm body and is located at the support arm extension at branch arm body both ends, and support arm extension is equipped with groove.Chassis support arm structure encloses structure by half frame-type to be played the role of increasing underframe support intensity, while support arm extension is equipped with groove, is convenient for the rotation of Undercarriage structure.Undercarriage structure is made of die casting aluminum component, and technique is relatively easy, not only can be with proof strength, but also can mitigate the overall weight of Undercarriage structure, is readily transported and is loaded, reduces production cost, and promotion and application are conducive to.
Description
Technical field
The utility model relates generally to the technical field of train seat component, more particularly to a kind of chassis knot for train
Structure more particularly to a kind of riveted structure for train chair underframe skeleton.
Background technology
Currently, China's EMU is just welcoming the Chinese Industrial Standards (CIS) EMU epoch of comprehensive autonomous innovation, and the development of EMU
Trend is even more to multiply for high speed, lightweight, modularization, the motor vehicle seat component part important as high ferro inside, and delivery
The important component of visitor.
The mating seat chassis skeleton of existing EMU, critical piece are carbon steel square tube Combination Welding chassis, this chassis
Skeleton structure and manufacture craft are complicated.Personnel need to cut carbon steel square tube and be welded successively, to weld seam and degree of balance etc.
Quality management and control target call is stringent, and cumbersome technique increases man-hour process, and then improves seat cost of manufacture.And carbon steel side
The heavier mass of tubing matter, so under the premise of proof strength, it is imperative to import Novel lightweight material.Therefore how
Make Undercarriage structure modularization, lightweight, improves assembling, quality inspection and maintenance efficiency, be that current those skilled in the art need to solve
The technical issues of.
Utility model content
The utility model is in view of the above-mentioned problems, provide a kind of Undercarriage structure for train, by the way that welding of underframe is arranged
Component and chassis support arm structure, enhance integrally-built performance, while structure is more reasonable, are easily installed and dismantle.
The purpose of this utility model can be realized by following technical proposals:A kind of Undercarriage structure for train,
It is characterized in that, Undercarriage structure includes welding of underframe component and the chassis support arm structure being connected with welding of underframe component, welding of underframe
It is fixedly connected by riveted structure between component and chassis support arm structure;The welding of underframe component includes rack body
It is equipped with chassis support arm structure with the lower section of the supporting rack for being located at one side-lower of rack body, the rack body other side;The bottom
Frame support arm structure includes branch arm body and is located at the support arm extension at branch arm body both ends, and the support arm extension is equipped with recessed
Slot.
Preferably, two pieces support arm extension is arranged in parallel in the both ends of branch arm body, and support arm extension is in branch arm body
Intersect vertically and formed the frame structure of half enclosing;The centre of branch arm body is in hollow structure, and support arm is equipped in the hollow structure
Reinforcing rib;The middle part of support arm extension is in hollow structure, and extended reinforced rib, one end of support arm extension are equipped in the hollow structure
Equipped with fixed plate, the fixed plate is equipped with mounting hole, makes fixed plate and holder by the rivet being arranged in mounting hole
Weld assembly fixes welding.
Further, the middle part of support arm extension be equipped with U-shaped groove, groove it is opening up and with support arm extension
Upper side edge is connected, and the bottom of groove is equipped with reinforcing plate, and the reinforcing plate is triangular in shape, a side and the support arm master of reinforcing plate
Body is connected.
Further, the bottom of support arm extension is equipped with support leg, and support extension is set to the lower part of branch arm body, support
The junction of extension and branch arm body is equipped with rebound, and the rebound is hang plate, rebound and support extension
End forms the support member of supportive body lower part.
Further, welding of underframe component is in frame structure, and the middle part of welding of underframe component is equipped with mounting plate, on mounting plate
Slot is set equipped with seat shaft, the two sides of welding of underframe component are respectively equipped with outwardly extending strengthening portion, the strengthening portion
It is interior to be equipped with semilune groove body.
The utility model has the advantage of:Undercarriage structure consists of two parts, including welding of underframe component and with chassis weld
The lower end thereof of the connected chassis support arm structure of connected components, welding of underframe component is equipped with supporting rack, and the other end is equipped with chassis support arm
Structure, chassis support arm structure encloses structure by half frame-type to be played the role of increasing underframe support intensity, while support arm extension
It is equipped with groove, is convenient for the rotation of Undercarriage structure.
Meanwhile Undercarriage structure is made of die casting aluminum component, technique is relatively easy, not only can be with proof strength, but also can mitigate
The overall weight of Undercarriage structure is readily transported and loads, reduces production cost, is conducive to promotion and application.
It is attached, be ensure that fixed strong by the way of riveting between welding of underframe component and chassis support arm structure
Degree so that entire Undercarriage structure becomes an entirety, while being also convenient for chassis support arm structure damage in use and being convenient for replacing, favorably
In maintenance and safeguard.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the dispersed structure schematic diagram of the utility model.
Fig. 3 is the schematic diagram of chassis support arm structure described in the utility model.
Fig. 4 is the Topical Dispersion connection diagram of the chassis support arm structure and welding of underframe component of the utility model.
It is marked in figure as follows:
1 welding of underframe component, 2 rivets, 3 chassis support arm structures;
31 arm bodies, 32 support arm extensions, 33 grooves, 34 fixed plates.
Specific implementation mode
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing, those skilled in the art is made to become apparent from
How ground understanding puts into practice the utility model.Although describing the utility model in conjunction with its preferred embodiment, these
Embodiment only illustrates, rather than limits the scope of the utility model.
As shown in Figure 1, a kind of Undercarriage structure for train, difference with the prior art is, Undercarriage structure includes
Welding of underframe component and the chassis support arm structure being connected with welding of underframe component, between welding of underframe component and chassis support arm structure
Be fixedly connected by riveted structure, riveting method being capable of proof strength so that Undercarriage structure become one it is effective whole,
Integral strength enhances, and meets engineering and weighs integral wall requirement;The welding of underframe component includes rack body and is located at branch
The lower section of the supporting rack of one side-lower of frame body, the rack body other side is equipped with chassis support arm structure;The chassis support arm knot
Structure includes branch arm body and is located at the support arm extension at branch arm body both ends, and the support arm extension is equipped with groove.
Undercarriage structure consists of two parts, including welding of underframe component and the chassis support arm knot that is connected with welding of underframe component
The lower end thereof of structure, welding of underframe component is equipped with supporting rack, and the other end is equipped with chassis support arm structure, and chassis support arm structure passes through half
Frame-type encloses structure and plays the role of increasing underframe support intensity, while support arm extension is equipped with groove, is convenient for Undercarriage structure
Rotation.
In one embodiment, as shown in figure 3, two pieces support arm extension is arranged in parallel in the both ends of branch arm body, support arm
Extension and the perpendicular frame structure intersected and form half enclosing of branch arm body, this structure load performance is stronger, plays very
Good supporting role;The centre of branch arm body is in hollow structure, and support arm reinforcing rib is equipped in the hollow structure, and hollow structure is saved
Material, reinforcing rib in turn ensure intensity;The middle part of support arm extension is in hollow structure, is equipped with to extend in the hollow structure and reinforce
One end of muscle, support arm extension is equipped with fixed plate, and the fixed plate is equipped with mounting hole, passes through the riveting being arranged in mounting hole
Nail so that fixed plate fixes welding with holder weld assembly, be convenient for installing and dismounting, reduce installation and maintenance by this fixed form
Difficulty, and an entirety can be effectively become, strengthen the bearing strength of whole part.
Further, the middle part of support arm extension be equipped with U-shaped groove, groove it is opening up and with support arm extension
Upper side edge is connected, and groove forms effective rotation space here, can ensure the rotation of chassis, and the bottom of groove, which is equipped with, to be reinforced
Plate, the reinforcing plate is triangular in shape, and a side of reinforcing plate is connected with branch arm body, and reinforcing plate here further strengthens
The intensity of support arm extension ensures not easy to wear when in use.
Further, the bottom of support arm extension is equipped with support leg, and support extension is set to the lower part of branch arm body, support
The junction of extension and branch arm body is equipped with rebound, and the rebound is hang plate, rebound and support extension
End forms the support member of supportive body lower part.It rubs the bottom that the setting of support leg and support member reduces support arm extension
It wipes, extends its service life, while strengthening stable degree.
Welding of underframe component is in frame structure, and the middle part of welding of underframe component is equipped with mounting plate, and mounting plate is equipped with seat
Slot is arranged in shaft, while mounting plate also functions to the effect of reinforcer, ensure that the overall performance of frame, and the two of welding of underframe component
Side is respectively equipped with outwardly extending strengthening portion, and semilune groove body is equipped in the strengthening portion.
Specifically, support arm structure is equipped with mounting hole connection and hangs leg, and the work for playing and supporting whole chair weight that is connected with car body
With, and the design of support arm spill can increase the support strength of chassis, and position-limiting action is integrally played to seat.Support arm radian is joined
Pivoted frame revolution space is examined, seat is not influenced and rotates integrally function.Support arm, which is equipped with mounting hole, simultaneously can connect coaming plate, and play branch
Support acts on.It is relatively easy that die casting aluminum component is made technique, not only can be with proof strength, but also can mitigate whole chair weight.Support arm and welding
Component is connected using rivet mode, and both ends use four rivets respectively, ensures bonding strength.Simultaneously in maintenance process, support arm
It is damaged and needs replacing, it is relatively simple convenient to substitute.Chassis mounting arm association is structure-integrated, and it is strong to meet engineering load-bearing on the whole
Degree require, optimize chassis made of complex structure and technique, reduce the weight of integrated bottom frame, comply with the lightweight of EMU seat,
Modular industry development trend.
It should be pointed out that for the utility model through absolutely proving, can also have a variety of transformation and the implementation of remodeling
Scheme, it is not limited to the specific embodiment of the above embodiment.Above-described embodiment as just the utility model explanation, and
It is not limitations of the present invention.In short, the scope of protection of the utility model should be including those for ordinary skill
It obviously converts or substitutes and retrofit for personnel, and be determined by the appended claims.
Claims (5)
1. a kind of Undercarriage structure for train, which is characterized in that Undercarriage structure includes welding of underframe component and and welding of underframe
The connected chassis support arm structure of component, company is fixed between welding of underframe component and chassis support arm structure by riveted structure
It connects;
The welding of underframe component includes rack body and is located at the supporting rack of one side-lower of rack body, and rack body is another
The lower section of side is equipped with chassis support arm structure;
The chassis support arm structure includes branch arm body and is located at the support arm extension at branch arm body both ends, and the support arm prolongs
It stretches part and is equipped with groove.
2. a kind of Undercarriage structure for train according to claim 1, which is characterized in that two pieces support arm extension is parallel
It is set to the both ends of branch arm body, support arm extension and the perpendicular frame structure intersected and form half enclosing of branch arm body;
The centre of branch arm body is in hollow structure, and support arm reinforcing rib is equipped in the hollow structure;
The middle part of support arm extension is in hollow structure, is equipped with extended reinforced rib in the hollow structure, one end of support arm extension is set
There are fixed plate, the fixed plate to be equipped with mounting hole, by the rivet being arranged in mounting hole fixed plate is welded with holder
Connected components fix welding.
3. a kind of Undercarriage structure for train according to claim 2, which is characterized in that set in the middle part of support arm extension
There is a U-shaped groove, groove opening up and be connected with the upper side edge of support arm extension, the bottom of groove, which is equipped with, to be reinforced
Plate, the reinforcing plate is triangular in shape, and a side of reinforcing plate is connected with branch arm body.
4. a kind of Undercarriage structure for train according to claim 1, which is characterized in that the bottom of support arm extension is set
There are support leg, support extension to be set to the lower part of branch arm body, support extension and the junction of branch arm body are equipped with transition
Plate, the rebound are hang plate, the support member of rebound and the end formation supportive body lower part of support extension.
5. a kind of Undercarriage structure for train according to claim 1, which is characterized in that welding of underframe component is in frame
Structure, the middle part of welding of underframe component are equipped with mounting plate, and mounting plate is equipped with seat shaft and is arranged slot, and the two of welding of underframe component
Side is respectively equipped with outwardly extending strengthening portion, and semilune groove body is equipped in the strengthening portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721850295.7U CN207747890U (en) | 2017-12-26 | 2017-12-26 | A kind of Undercarriage structure for train |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721850295.7U CN207747890U (en) | 2017-12-26 | 2017-12-26 | A kind of Undercarriage structure for train |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207747890U true CN207747890U (en) | 2018-08-21 |
Family
ID=63149573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721850295.7U Active CN207747890U (en) | 2017-12-26 | 2017-12-26 | A kind of Undercarriage structure for train |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207747890U (en) |
-
2017
- 2017-12-26 CN CN201721850295.7U patent/CN207747890U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102923152A (en) | Light bogie welding framework and welding method thereof | |
CN103625499B (en) | A kind of framework of narrow-gauge train bogie | |
CN203920747U (en) | Hinged mount pad under a kind of 100% modern city tramway train | |
CN110723212A (en) | Preceding sub vehicle frame aluminum alloy installing support and vehicle | |
CN207747890U (en) | A kind of Undercarriage structure for train | |
CN207106606U (en) | A kind of steering gear bracket | |
CN206086882U (en) | Electric automobile sub vehicle frame | |
CN112721564A (en) | Light-weight balance shaft suspension | |
CN206367375U (en) | A kind of automobile and its engine-mounting bracket | |
CN207875392U (en) | A kind of gear box suspension structure | |
CN214028105U (en) | Promote automobile dynamic stiffness's drag arm mounting structure | |
CN205113290U (en) | Aluminum alloy semitrailer supports connecting device | |
CN203211388U (en) | Automobile vice frame assembly | |
CN206367374U (en) | A kind of engine-mounting bracket and a kind of automobile | |
CN211076055U (en) | Balanced suspension roof beam and frame | |
CN209650376U (en) | Al alloys andMg alloys fabricated structure subframe | |
CN208931056U (en) | A kind of automobile lower suspension arm assembly | |
CN110182014A (en) | A kind of balance shaft support of external coupling type | |
CN205818828U (en) | A kind of novel aluminum alloy automobile swing arm | |
CN206738414U (en) | A kind of multipurpose outward flange disk | |
CN206553050U (en) | A kind of stair step tripod assembly structure for welding collar bush | |
CN209381713U (en) | A kind of air suspension guiding arm support | |
CN206125211U (en) | Spare tyre hole and additional strengthening | |
CN221273206U (en) | Lower vehicle body and vehicle | |
CN205149979U (en) | Multi -functional beam assembly is used to passenger train |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |