CN207747891U - A kind of middle transverse beam structure for train chair underframe - Google Patents
A kind of middle transverse beam structure for train chair underframe Download PDFInfo
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- CN207747891U CN207747891U CN201721850326.9U CN201721850326U CN207747891U CN 207747891 U CN207747891 U CN 207747891U CN 201721850326 U CN201721850326 U CN 201721850326U CN 207747891 U CN207747891 U CN 207747891U
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- fixed plate
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- raised line
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Abstract
The utility model discloses a kind of middle transverse beam structure for train chair underframe, middle transverse beam structure is equipped between overarm brace, middle transverse beam structure includes middle cross beam main body and is located at the fixed plate at middle cross beam main body both ends, fixed plate is equipped with mounting hole, by the rivet being arranged in mounting hole fixed plate is fixedly connected with overarm brace；The plate-like structure of middle cross beam main body, axis hole is equipped at the center of middle cross beam main body, and the bearing block for being surrounded by protrusion of axis hole is equipped with reinforcing rib between bearing block and fixed plate.It ensure that the intensity of connection by setting reinforcing rib, it is possible to reduce deformation caused by welding ensures that middle cross beam main body keeps certain intensity and rigidity during using and rotating, and reduces deformation and is damaged, extends the service life of entire middle cross beam main body.
Description
Technical field
The utility model relates generally to the technical field of train seat component, more particularly to a kind of to be used for train chair underframe
Middle transverse beam structure.
Background technology
Short ten years time, Chinese high ferro industry high speed development, nowadays revive number birth, high ferro raise speed once again to
350km/h, it is meant that China becomes fastest one of the country of whole world high ferro commercial operation.In order to comply with the high speed of high ferro
Change, light-weighted development trend, the requirement in terms of the loss of weight synergy of seat entirety can be promoted increasingly.
The mating seat chassis skeleton middle cross beam of existing EMU is made of bearing block and transverse tube welding manner, and again
It is welded as a whole by welding with chassis skeleton.The manufacture craft has the advantages such as high, the service life length of intensity, still
Manufacturing cost is very high and welding deformation is larger, a large amount of Welder's durations and not easy to control, needs machining equipment.The especially program
Be limited in loss of weight by reasons such as raw material and processing methods, drop originally and improve efficiency etc. has many deficiencies, while also depositing
In the problem that installation, dismounting are inconvenient.
Therefore how to make Undercarriage structure modularization, lightweight, improve production efficiency and reduce cost, be current this field skill
Art personnel's technical issues that need to address.
Invention content
The utility model is in view of the above-mentioned problems, provide a kind of middle transverse beam structure for train chair underframe, middle cross beam
Structure includes middle cross beam main body and is located at the fixed plate at middle cross beam main body both ends, makes middle cross beam not only by various reinforcement structures
Intensity increases, while easy for removal and installation, optimizes overall structure.
The purpose of this utility model can be realized by following technical proposals：A kind of middle cross for train chair underframe
Girder construction, seat chassis include frame structure made of being enclosed by overarm brace and longitudinal carrier, which is characterized in that overarm brace
Between be equipped with middle transverse beam structure, middle transverse beam structure includes middle cross beam main body and is located at the fixed plate at middle cross beam main body both ends, described
Fixed plate be equipped with mounting hole, by the rivet being arranged in mounting hole fixed plate is fixedly connected with overarm brace；In
Main body of cross-beam plate-like structure is equipped with axis hole, the bearing block for being surrounded by protrusion of axis hole, bearing at the center of middle cross beam main body
Reinforcing rib is equipped between seat and fixed plate.
Preferably, bearing raised line is distributed in the surrounding of the bearing block, and fixed plate is equipped with set corresponding with bearing raised line
The fixed plate raised line set, is connected between bearing raised line and fixed plate raised line by reinforcing plate；Being surrounded by for bearing block uniformly divides
The reinforcement block of cloth, the reinforcement block are triangular in shape.
Further, bearing block is surrounded by 4 bearing raised lines, and 4 bearing raised lines are distributed in the outer of bearing block in pairs
It encloses, being synthetic into one by two pieces of reinforcing plates between one group of two bearing raised line and corresponding one group of fixed plate raised line reinforces sky
Between, it is to be arranged in parallel between two pieces of adjacent reinforcing plates；It is in rectangular parallelepiped structure to reinforce space, and the bottom for reinforcing space is equipped with one group
A circular fixing piece, one end and the bearing raised line phase of stiffener is arranged in the infall of stiffener arranged in a crossed manner, stiffener
Even, the other end is connected with fixed plate raised line.
Further, the middle cross beam main body both ends are equipped with the rebound extended to both sides, fixed plate and middle cross beam master
It is connected by rebound between body；Rebound is L-shaped bending plate, and the bottom of rebound is matched with overarm brace.
Further, bearing raised line is identical as the height of fixed plate raised line, and the height of reinforcing plate is less than the height of bearing raised line
Degree.
The utility model has the advantage of：Raised bearing block, bearing block and fixed plate are equipped at the center of middle cross beam main body
Between be equipped with reinforcing rib, these reinforcing ribs ensure that the intensity of connection, it is possible to reduce deformation caused by welding ensures middle cross beam master
Body keeps certain intensity and rigidity during using and rotating, and reduces deformation and is damaged, extends entire middle cross beam master
The service life of body.
Meanwhile reinforcing rib described in the utility model includes reinforcing plate disposed in parallel, stiffener arranged in a crossed manner and edge
The reinforcement block of bearing block periphery setting, reinforcing rib here is divided into three kinds of forms and structure, each in different positions,
Three supports mutually, collective effect, maintains the stability and crushing resistance of entire middle transverse beam structure.
Further, since entire middle transverse beam structure is simple, convenient for manufacture, cost is saved, while being also beneficial to subsequent
Installation and maintenance, reduce the cost used.
Description of the drawings
Fig. 1 is the use state diagram of the utility model.
Fig. 2 is the dispersed structure schematic diagram of Fig. 1.
Fig. 3 is the enlarged structure schematic diagram in the portions A in Fig. 2.
Fig. 4 is the enlarged structure schematic diagram in the portions B in Fig. 2.
Fig. 5 is the structural schematic diagram of the utility model.
Fig. 6 is the rearview of Fig. 5.
Fig. 7 is the close-up schematic view of the utility model.
Fig. 8 is the another close-up schematic view of the utility model.
It is marked in figure as follows：
1 seat chassis, 2 overarm braces, 3 middle transverse beam structures；
31 main body of cross-beam, 32 fixed plates, 33 bearing blocks；
Block, 36 stiffeners, 37 bearing raised lines, 38 fixed plate raised lines are reinforced in 34 reinforcing plates, 35.
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.
A kind of middle transverse beam structure for train chair underframe described in the utility model, as shown in Figs 1-4, seat chassis
Including frame structure made of being enclosed by overarm brace and longitudinal carrier, difference with the prior art is, overarm brace it
Between be equipped with middle transverse beam structure, middle transverse beam structure includes middle cross beam main body and is located at the fixed plate at middle cross beam main body both ends, described
Fixed plate is equipped with mounting hole, by the rivet being arranged in mounting hole fixed plate is fixedly connected with overarm brace；Middle cross
Beam body plate-like structure is equipped with the axis hole through plate body, the axis for being surrounded by protrusion of axis hole at the center of middle cross beam main body
Bearing is equipped with reinforcing rib between bearing block and fixed plate.
These reinforcing ribs ensure that the intensity of connection, it is possible to reduce deformation caused by welding ensures that middle cross beam main body makes
With with rotation during keep certain intensity and rigidity, reduce deformation and impaired, extend making for entire middle cross beam main body
Use the service life.
Entire train chair underframe aluminum alloy die casting needs machine to add the pattern draft for removing bearing hole, technique phase after being made
, not only can be with proof strength, satisfaction use and test request to simple, but also whole chair weight can be mitigated.If maintenance process casting is sent out
Raw damage needs replacing, and it is relatively simple convenient to substitute.Chassis middle cross beam integral structure meets the requirement of engineering load bearing stength, optimization
Complex structure and technique made of chassis reduce the weight of integrated bottom frame, comply with the lightweight of EMU seat, modular industry
Development trend.
In one embodiment, referring specifically to Fig. 5-Fig. 8, the reinforcing rib includes reinforcing plate, reinforces block and reinforcement
Item；Bearing raised line is distributed in the surrounding of bearing block, and fixed plate is equipped with the fixed plate raised line being correspondingly arranged with bearing raised line, bearing
It is connected by reinforcing plate between raised line and fixed plate raised line；Bearing block is surrounded by equally distributed reinforcement block, described
It is triangular in shape to reinforce block, reinforcement block is right angled triangle, and a side at right angle and the outer ring of bearing block fit, another
Side fits with middle cross beam main body, these reinforce the stability that block strengthens bearing block so that bearing block is using process
Middle its rigidity of guarantee is indeformable.
Optionally, bearing block is surrounded by 4 bearing raised lines, and bearing raised line is sticked the peripheral surface with bearing block vertically, and 4
Root bearing raised line is symmetrically distributed in the periphery of bearing block in pairs, and one group of two bearing raised line and corresponding one group of fixed plate are convex
It is synthetic into a reinforcement space by two pieces of reinforcing plates between item, is to be arranged in parallel between two pieces of adjacent reinforcing plates；Reinforce
Space is in rectangular parallelepiped structure, and the bottom for reinforcing space is equipped with one group of stiffener arranged in a crossed manner, the infall setting one of stiffener
One end of a circular fixing piece, stiffener is connected with bearing raised line, and the other end is connected with fixed plate raised line.Here reinforcing rib
It is divided into three kinds of forms and structure, each in different positions, three supports mutually, collective effect, maintains entire middle cross beam
The stability and crushing resistance of structure.
Further, middle cross beam main body both ends are equipped with the rebound extended to both sides, between fixed plate and middle cross beam main body
It is connected by rebound；The L-shaped bending plate of rebound, the bottom of rebound are matched with overarm brace, are exactly specifically
When installation, overarm brace is fastened on rebound, and the bottom connection of overarm brace and rebound touches.Meanwhile bearing raised line with it is solid
The height of fixed board raised line is identical, and the height of reinforcing plate is less than the height of bearing raised line, is conducive to process and assemble in this way.
Since entire middle transverse beam structure is simple, convenient for manufacture, cost is saved, while being also beneficial to subsequent installation and dimension
Shield, reduces the cost used.
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 middle transverse beam structure for train chair underframe, seat chassis include enclosed by overarm brace and longitudinal carrier and
At frame structure, which is characterized in that between overarm brace be equipped with middle transverse beam structure, middle transverse beam structure include middle cross beam main body and
It is located at the fixed plate at middle cross beam main body both ends, the fixed plate is equipped with mounting hole, passes through the rivet being arranged in mounting hole
So that fixed plate is fixedly connected with overarm brace；
Middle cross beam main body plate-like structure is equipped with axis hole, the bearing for being surrounded by protrusion of axis hole at the center of middle cross beam main body
Seat is equipped with reinforcing rib between bearing block and fixed plate.
2. a kind of middle transverse beam structure for train chair underframe according to claim 1, which is characterized in that described adds
Strengthening tendons include reinforcing plate, reinforce block and stiffener；
Bearing raised line is distributed in the surrounding of the bearing block, and it is convex that fixed plate is equipped with the fixed plate being correspondingly arranged with bearing raised line
Item is connected between bearing raised line and fixed plate raised line by reinforcing plate；
Bearing block is surrounded by equally distributed reinforcement block, and the reinforcement block is triangular in shape.
3. a kind of middle transverse beam structure for train chair underframe according to claim 2, which is characterized in that bearing block four
Week is equipped with 4 bearing raised lines, and 4 bearing raised lines are distributed in the periphery of bearing block in pairs, one group of two bearing raised line with it is right
It is synthetic into a reinforcement space by two pieces of reinforcing plates between the one group of fixed plate raised line answered, between two pieces of adjacent reinforcing plates
To be arranged in parallel；
It is in rectangular parallelepiped structure to reinforce space, and the bottom for reinforcing space is equipped with one group of stiffener arranged in a crossed manner, the intersection of stiffener
One circular fixing piece of place's setting, one end of stiffener are connected with bearing raised line, and the other end is connected with fixed plate raised line.
4. a kind of middle transverse beam structure for train chair underframe according to claim 1, which is characterized in that in described
Main body of cross-beam both ends are equipped with the rebound extended to both sides, are connected by rebound between fixed plate and middle cross beam main body；
The L-shaped bending plate of rebound, the bottom of rebound are matched with overarm brace.
5. a kind of middle transverse beam structure for train chair underframe according to claim 3, which is characterized in that bearing raised line
Identical as the height of fixed plate raised line, the height of reinforcing plate is less than the height of bearing raised line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721850326.9U CN207747891U (en) | 2017-12-26 | 2017-12-26 | A kind of middle transverse beam structure for train chair underframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721850326.9U CN207747891U (en) | 2017-12-26 | 2017-12-26 | A kind of middle transverse beam structure for train chair underframe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207747891U true CN207747891U (en) | 2018-08-21 |
Family
ID=63150744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721850326.9U Active CN207747891U (en) | 2017-12-26 | 2017-12-26 | A kind of middle transverse beam structure for train chair underframe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207747891U (en) |
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2017
- 2017-12-26 CN CN201721850326.9U patent/CN207747891U/en active Active
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