CN106314540A - Overall frame structure - Google Patents
Overall frame structure Download PDFInfo
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- CN106314540A CN106314540A CN201510334629.4A CN201510334629A CN106314540A CN 106314540 A CN106314540 A CN 106314540A CN 201510334629 A CN201510334629 A CN 201510334629A CN 106314540 A CN106314540 A CN 106314540A
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- cross beam
- longeron
- middle cross
- longitudinal beam
- tail end
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Abstract
The invention discloses an overall frame structure which comprises a front frame, a middle frame and a rear frame, wherein the height of the middle frame is lower than the height of the front frame and the height of the rear frame; the middle frame is located under a car body floor; the front frame comprises a left front longitudinal beam, a right front longitudinal beam and a front anti-collision beam; two ends of the front anti-collision beam are fixed to front ends of the left front longitudinal beam and the right front longitudinal beam respectively; the middle frame comprises a left middle longitudinal beam and a right middle longitudinal beam; a middle horizontal beam group is disposed vertically between the left middle longitudinal beam and the right middle longitudinal beam; the rear frame comprises a left rear longitudinal beam, a right rear longitudinal beam and a tail end beam; two ends of the tail end beam are connected to rear ends of the left rear longitudinal beam and the right rear longitudinal beam respectively; a rear horizontal beam group is vertically disposed between the left rear longitudinal beam and the right rear longitudinal beam; a tail end longitudinal beam is disposed between the rear horizontal beam group and the tail end beam; two ends of the left middle longitudinal beam are fixed to the left front longitudinal beam and the left rear longitudinal beam respectively; and two ends of the right middle longitudinal beam are fixed to the right front longitudinal beam and the right rear longitudinal beam respectively. The structure has the advantages that overall rigidity is enhanced; stability is high; collision force can be transmitted quickly; and comfort is high.
Description
Technical field
The present invention relates to the vehicle frame field of automobile, particularly to a kind of unitized frame knot
Structure.
Technical background
At present, body frame structure for automotive is mainly made up of with crossbeam longeron, on carry whole
The weight of individual upper vehicle body, under carry most chassis system, therefore, car
The structure of frame directly influences the performance of car load.And in prior art, front and rear part
Without complete body frame structure for automotive, poor dimensional stability, manufacture efficiency low, twisting property
Difference；And, front and back longeron does not overlaps, and for disrupted configuration, the transmission of power is discontinuous,
Easily forming sudden change, load-carrying reliability is poor.
Summary of the invention
The present invention is to solve deficiency of the prior art, it is provided that a kind of raising
Integral rigidity, stability is strong, it is possible to quickly transmit impact force, and comfortableness
Strong Integral frame structure.
The technical scheme of a kind of Integral frame structure of the present invention is:
A kind of Integral frame structure, including front frame, middle carriage and rear portion car
Frame, described middle carriage height is high less than described front frame and described rear frame
Degree, described middle carriage is positioned at below body platform, and described front frame includes a left side
Front longitudinal, front right longitudinal beam and front anti-collision beam, described front anti-collision beam two ends respectively with a left side
The front end of front longitudinal and front right longitudinal beam is fixed, and described middle carriage includes left longeron
With right longeron, in being vertically provided with between described left longeron and described right longeron
Crossbeam group, described rear frame includes left rear longitudinal beam, right floor side member and tail end beam,
The two ends of described tail end beam respectively with described left rear longitudinal beam and described right floor side member after
End is fixing, is vertically provided with rear cross beam between described left rear longitudinal beam and described right floor side member
Group, is provided with tail end longeron, a described left side between described rear cross beam group and described tail end beam
The two ends of middle longeron are fixed with left front girder and left rear longitudinal beam respectively, described right vertical
The two ends of beam are fixed with front right longitudinal beam and right floor side member respectively.
The technical scheme of a kind of Integral frame structure of the present invention it may also is that
Dividing plate and it is equipped with on the leading portion of described left longeron and described right longeron
One reinforcing plate, the stage casing of described left longeron and described right longeron is equipped with
Two reinforcing plates.
Described left longeron and the described leading portion of right longeron and the top in stage casing are all detained
It is provided with U-shaped cover plate.
Wherein the middle cross beam group includes described first middle cross beam body, horizontal in described second
Beam body, described 3rd middle cross beam body and described 4th middle cross beam body, described
First middle cross beam body, described second middle cross beam body, described 3rd middle cross beam are originally
Body and described 4th middle cross beam body is equally spaced is vertically set on described left longeron
And between described right longeron, described left longeron and described right longeron with institute
State the first middle cross beam body, described second middle cross beam body, described 3rd middle cross beam
Wall support reinforcing plate it is provided with inside the lap position of body and described 4th middle cross beam body.
Described first middle cross beam body, described second middle cross beam body, the described 3rd
It is equipped with middle cross beam reinforcing plate on middle cross beam body and described 4th middle cross beam body.
Described rear cross beam group includes at least two rear cross beam body, adjacent described after
Being provided with support stringer between cross-beam body, described tail end longeron is vertically set on described
Between the rear cross beam body of tail end beam and close described tail end beam.
Described tail end longeron at least two, described tail end longeron spaced set.
Described Guard Assy is circular arc, the two ends of described circular arc respectively with a described left side
Front longitudinal and front right longitudinal beam are fixed, and it is recessed that described Guard Assy surface is provided with backward,
Described recessed along described Guard Assy horizontal expansion.
Described left longeron front end is fixed with described left front girder by laser welding,
Described right longeron front end is fixed with described front right longitudinal beam by laser welding.
The rear of described front anti-collision beam is provided with lower camber beam.
A kind of Integral frame structure of the present invention, including front frame, middle carriage
And rear frame, described middle carriage height less than described front frame and described after
Portion's height of chassis above ground, described middle carriage is positioned at below body platform, described anterior car
Frame includes left front girder, front right longitudinal beam and front anti-collision beam, described front anti-collision beam two ends
Front end with left front girder and front right longitudinal beam is fixed respectively, and described middle carriage includes
Left longeron and right longeron, hang down between described left longeron and described right longeron
Directly be provided with middle cross beam group, described rear frame include left rear longitudinal beam, right floor side member and
Tail end beam, the two ends of described tail end beam respectively with described left rear longitudinal beam and the described right side after
The rear end of longeron is fixed, and vertically sets between described left rear longitudinal beam and described right floor side member
There is rear cross beam group, between described rear cross beam group and described tail end beam, be provided with tail end longeron,
The two ends of described left longeron are fixed with left front girder and left rear longitudinal beam respectively, described
The two ends of right longeron are fixed with front right longitudinal beam and right floor side member respectively.So, logical
Cross the connection between front frame, middle carriage and rear frame, constitute complete
Vehicle frame structure, improve entirety rigidity and intensity, and by central collision,
Side impact and after touch during, the impulsive force of collision can be outside along overall structure
Pass, to reach to have decomposed the effect of the impulsive force of the point of impingement.In central collision
Under operating mode, front anti-collision beam is collided power be passed along left and right front longitudinal and continue
Continuous back kick passs left and right middle longeron, left and right floor side member and middle cross beam group.
Impact force by overall structure shared, be dispersed to connected vehicle body each
Stressed member so that the deformation of whole crew module's framework is controlled, thus protects
The safety of occupant.Under side impact operating mode, both sides are collided power, and divide forward
Dissipating impact force, impact force passes to middle cross beam group, middle cross beam component has been carried on a shoulder pole suffered
The impact force arrived, is delivered separately to the left and right middle longeron being secured to, then by left,
Right longeron is passed ahead to left and right front longitudinal, and back kick is passed left and right
Floor side member, and then by overall structure shared impact force, reduce side impact
Momentum effect, it is ensured that the safety of occupant.Touching under operating mode after, tail end beam accepts to touch
Hit power, left and right floor side member can be delivered separately to and then pass to middle horizontal stroke again
Beam group, then middle cross beam group passes to left and right middle longeron, then by left and right middle longeron
It is passed ahead to left and right front longitudinal, or continues to front transfer, and then by whole
Body structure shared impact force, disperses the active force of rear collision and shares,
Reduce momentum effect, it is ensured that the safety of occupant.Further, middle carriage height is low
In described front frame and described rear frame, described middle carriage is positioned at vehicle body ground
Below plate, increase occupant space in height, improve occupant comfort.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of Integral frame structure of the present invention；
Fig. 2 is the left longeron of a kind of Integral frame structure of the present invention and right vertical
The enlarged drawing of beam；
Fig. 3 be a kind of Integral frame structure of the present invention Fig. 2 in the cuing open of slice location
View；
Fig. 4 is the front anti-collision beam cross section signal of a kind of Integral frame structure of the present invention
Figure；
Figure number explanation
1 ... front frame 2 ... middle carriage 3 ... rear frame 4 ... front crashproof
Beam 5 ... left front girder 6 ... front right longitudinal beam 7 ... left longeron 8 ... right vertical
Beam 9.1 ... the first middle cross beam body 9.2 ... the second middle cross beam body 9.3 ...
3rd middle cross beam body 9.4 ... the 4th middle cross beam body 10 ... left rear longitudinal beam
11 ... right floor side member 12 ... rear cross beam body 13 ... tail end beam 14 ... tail end is indulged
Beam 15 ... support stringer 16 ... lower camber beam 17 ... U-shaped cover plate 18 ... dividing plate
19 ... the first reinforcing plate 20 ... the second reinforcing plate 21 ... recessed 22 ... floor
Detailed description of the invention
Below in conjunction with specific embodiment, a kind of Integral frame structure of the present invention is carried out
Further illustrate.
As Figure 1-4, a kind of Integral frame structure, including front frame 1, in
Portion's vehicle frame 2 and rear frame 3, described middle carriage 2 height is less than described anterior car
Frame 1 and described rear frame 3 height, described middle carriage 2 is positioned at body platform
Below 22, described front frame 1 includes left front girder 5, front right longitudinal beam 6 and front
Collision prevention girders 4, described front anti-collision beam 4 two ends respectively with left front girder 5 and front right longitudinal beam
The front end of 6 is fixed, and described middle carriage 2 includes left longeron 7 and right longeron 8,
Middle cross beam group vertically it is provided with between described left longeron 7 and described right longeron 8,
Described rear frame 3 includes left rear longitudinal beam 10, right floor side member 11 and tail end beam 13,
The two ends of described tail end beam 13 are indulged with behind described left rear longitudinal beam 10 and the described right side respectively
The rear end of beam 11 is fixed, between described left rear longitudinal beam 10 and described right floor side member 11
Vertically it is provided with rear cross beam group, is provided with between described rear cross beam group and described tail end beam 13
Tail end longeron 14, the two ends of described left longeron 7 respectively with left front girder 5 and a left side
Floor side member 10 is fixed, the two ends of described right longeron 8 respectively with front right longitudinal beam 6 and
Right floor side member 11 is fixed.So, by front frame 1, middle carriage 2 and after
Connection between portion's vehicle frame 3, constitutes complete vehicle frame structure, improves whole
The rigidity of body and intensity, and by central collision, side impact and after touch during,
The impulsive force of collision outwards can pass along overall structure, to reach to decompose
The effect of the impulsive force of the point of impingement.Under the operating mode of central collision, front anti-collision beam 4 is subject to
To impact force and be passed along left and right front longitudinal and continue back kick and pass left and right
Middle longeron, left and right floor side member and middle cross beam group.Impact force is by overall structure altogether
With undertaking, it is dispersed to each stressed member of connected vehicle body so that whole
The deformation of crew module's framework is controlled, thus protects the safety of occupant.In side
Touching under operating mode, both sides are collided power, and disperse forward impact force, by impact force
Passing to middle cross beam group, middle cross beam component has carried on a shoulder pole suffered impact force, passes respectively
Pass the left and right middle longeron being secured to, then by left and right middle longeron to front transfer
To left and right front longitudinal, and back kick passs left and right floor side member, and then passes through
Overall structure shared impact force, reduces the momentum effect of side impact, it is ensured that take advantage of
The safety of member.Touching under operating mode after, tail end beam 13 accepts impact force, can be by its point
Supplementary biography is passed left and right floor side member and then passes to middle cross beam group again, then middle cross beam
Group passes to left and right middle longeron, then by left and right middle longeron be passed ahead to a left side,
Front right longitudinal beam, or continue to front transfer, and then by overall structure shared
Impact force, disperses the active force of rear collision and shares, and reduces impulse force and makees
With, it is ensured that the safety of occupant.Further, middle carriage 2 height is less than described front portion
Vehicle frame 1 and described rear frame 3, described middle carriage 2 is positioned at body platform 22
Lower section, increases occupant space in height, improves occupant comfort.
Seeing accompanying drawing 1-4, a kind of Integral frame structure of the present invention is above-mentioned technical side
On the basis of case, may is that described left longeron 7 and described right longeron 8
Dividing plate 18 and the first reinforcing plate 19, described left longeron 7 and institute it is equipped with on leading portion
State and on the stage casing of right longeron 8, be equipped with the second reinforcing plate 20.So, in collision
During leading portion impact big, rigid requirements is high, and left longeron 7 and described right
The leading portion of longeron 8 is left and right middle longeron, dividing plate, the first reinforcing plate and floor
Four-layer structure, stage casing is three layers of left and right middle longeron, the second reinforcing plate and floor
Structure, back segment is left and right middle longeron and the double-layer structure on floor, from four layers to three
Layer, to two-layer gradually smoothly transition, is preferably alleviated the collision impact to car body, is protected
Demonstrate,prove the safety of passenger inside the vehicle.Meanwhile, multiple structure is arranged in below floor 22,
Concede the space of bigger height for driver's cabin, improve the comfortableness driving occupant.Enter
The one preferred technical scheme of step may is that described left longeron 7 and described right vertical
The leading portion of beam 8 and the top in stage casing are all detained and are provided with U-shaped cover plate 17.So, left
Longeron 7 and the leading portion of right longeron 8 and region, stage casing are airtight cavity, effectively
Ground improves the intensity of left and right middle longeron, it is ensured that the safety of this position occupant.
Additionally, can also left longeron 7 and right longeron 8 be played strong in the fabrication process
Positive interaction, improves and manufactures dimensional accuracy.
Seeing accompanying drawing 1-4, a kind of Integral frame structure of the present invention is above-mentioned technical side
On the basis of case, may is that wherein the middle cross beam group includes described first middle cross beam originally
Body 9.1, described second middle cross beam body 9.2, described 3rd middle cross beam body 9.3 and
Described 4th middle cross beam body 9.4；Described first middle cross beam body 9.1, described
Horizontal stroke in two middle cross beam bodies 9.2, described 3rd middle cross beam body 9.3 and the described 4th
Beam body 9.4 is equally spaced is vertically set on described left longeron 7 and described right vertical
Between beam 8, described left longeron 7 and described right longeron 8 are with described first
Middle cross beam body, described second middle cross beam body, described 3rd middle cross beam body and
Wall support reinforcing plate it is provided with inside the lap position of described 4th middle cross beam body.So,
Multiple middle cross beam bodies being uniformly arranged the impulsive force of collision can be carried out transmission and
Sharing, reduce momentum effect, it is ensured that the safety of occupant, meanwhile, wall support is strengthened
The setting of plate improves the structural strength at lap position.Further preferred technology
Scheme may is that described first middle cross beam body 9.1, described second middle cross beam body
9.2, on described 3rd middle cross beam body 9.3 and described 4th middle cross beam body 9.4 all
It is provided with middle cross beam reinforcing plate.So, be positioned in the middle part of vehicle body the first middle cross beam body 9.1,
Described second middle cross beam body 9.2, described 3rd middle cross beam body 9.3 and described
The position of four middle cross beam bodies 9.4 is weakness zone, is susceptible to bending, and adds
The setting of strong plate prevents the generation of bending in collision process, improves car load simultaneously
Bending resistance.
Seeing accompanying drawing 1-4, a kind of Integral frame structure of the present invention is above-mentioned technical side
On the basis of case, may is that described rear cross beam group includes that at least two rear cross beam is originally
Body 12, is provided with support stringer 15, institute between adjacent described rear cross beam body 12
State tail end longeron 14 and be vertically set on described tail end beam 13 and close described tail end beam
Between the rear cross beam body 12 of 13.So, after touch during, rear cross beam body
Collision impact can be transmitted and share by 12, and support stringer is passed through in centre
The setting of 15, improves the coupling stiffness between rear cross beam body 12, and then improves
Resistance to collision, strengthens the protection to rear vehicle fuel system.Enter
The one preferred technical scheme of step may is that described tail end longeron 14 at least two,
Described tail end longeron 14 spaced set.So, tail end longeron 14 spacing about exists
220mm, equably by after touch impulsive force and spread out to whole vehicle body, it is right to strengthen
The protection of automotive fuel oil system.
Seeing accompanying drawing 1-4, a kind of Integral frame structure of the present invention is above-mentioned technical side
On the basis of case, may is that described Guard Assy is circular arc, described circular arc
Two ends are fixed with described left front girder 5 and front right longitudinal beam 6 respectively, described front crashproof
Bar surface is provided with recessed 21 backward, and described recessed 21 is horizontal along described Guard Assy
To extension.So, during by head-on crash, the front anti-collision beam 4 of circular arc is permissible
Effectively impulsive force is disperseed along circular arc two ends, and be delivered to left and right front longitudinal
Above effectively absorb impact energy.Additionally, the front anti-collision beam 4 of circular arc can be given
Electromotor reserves bigger safe distance, it is to avoid directly threaten when head-on crash
Electromotor.Recessed the 21 of front anti-collision beam 4 can provide more for energy transmission and pass
Defeated passage, improves front anti-collision beam 4 resistance to deformation and absorbs the ability of energy, entering
And improve the central collision performance of car load.
Seeing accompanying drawing 1-4, a kind of Integral frame structure of the present invention is above-mentioned technical side
On the basis of case, may is that described left longeron 7 front end by laser welding with
Described left front girder 5 is fixed, described right longeron 8 front end by laser welding with
Described front right longitudinal beam 6 is fixed.Because, left and right middle longeron and left and right front longitudinal
Connecting portion, be also main collision energy energy-absorbing position, so, by swash
The risk that when both weldings are decreased welding by light, solder joint failure is brought, it is ensured that occupant
The safety in cabin.
Seeing accompanying drawing 1-4, a kind of Integral frame structure of the present invention is above-mentioned technical side
On the basis of case, may is that the rear of described front anti-collision beam 4 is provided with lower camber beam 16.
So, the setting of lower camber beam 16 strengthens the structure of front frame 1, before improve
The rigidity of portion's vehicle frame 1, reduces the impulsive force of central collision.
Above-mentioned only a kind of specific embodiment in the present invention is illustrated, but not
Can be every according to the design spirit institute in the present invention as protection scope of the present invention
The equivalence change made or modification, be all deemed to fall protection scope of the present invention.
Claims (10)
1. an Integral frame structure, it is characterised in that: include front frame,
Middle carriage and rear frame, described middle carriage height is less than described front frame
With described rear frame height, described middle carriage is positioned at below body platform, institute
State front frame and include left front girder, front right longitudinal beam and front anti-collision beam, described front anti-
Hit the front end respectively with left front girder and front right longitudinal beam, the beam two ends to fix, described middle part
Vehicle frame includes left longeron and right longeron, described left longeron and described right vertical
Vertically being provided with middle cross beam group between beam, described rear frame includes left rear longitudinal beam, the right side
Floor side member and tail end beam, the two ends of described tail end beam respectively with described left rear longitudinal beam and
The rear end of described right floor side member is fixed, described left rear longitudinal beam and described right floor side member it
Between be vertically provided with rear cross beam group, be provided with between described rear cross beam group and described tail end beam
Tail end longeron, the two ends of described left longeron respectively with left front girder and left rear longitudinal beam
Fixing, the two ends of described right longeron are fixed with front right longitudinal beam and right floor side member respectively.
A kind of Integral frame structure the most according to claim 1, its feature
Be: be equipped with on the leading portion of described left longeron and described right longeron dividing plate and
First reinforcing plate, the stage casing of described left longeron and described right longeron is equipped with
Second reinforcing plate.
A kind of Integral frame structure the most according to claim 2, its feature
It is: the top in described left longeron and the leading portion of described right longeron and stage casing is equal
Button is provided with U-shaped cover plate.
4. according to a kind of entirety described in claim 1-3 any one claim
Body frame structure for automotive, it is characterised in that: wherein the middle cross beam group includes described first middle cross beam
Body, described second middle cross beam body, described 3rd middle cross beam body and described
Four middle cross beam bodies, described first middle cross beam body, described second middle cross beam body,
Described 3rd middle cross beam body and described 4th middle cross beam body is equally spaced vertically sets
Put between described left longeron and described right longeron, described left longeron and institute
State right longeron with described first middle cross beam body, described second middle cross beam body,
Inside the lap position of described 3rd middle cross beam body and described 4th middle cross beam body
It is provided with wall support reinforcing plate.
A kind of Integral frame structure the most according to claim 4, its feature
Be: described first middle cross beam body, described second middle cross beam body, described
It is equipped with middle cross beam reinforcing plate on three middle cross beam bodies and described 4th middle cross beam body.
6. according to a kind of entirety described in claim 1-3 any one claim
Body frame structure for automotive, it is characterised in that: described rear cross beam group includes at least two rear cross beam
Body, is provided with support stringer, described tail end between adjacent described rear cross beam body
Longeron is vertically set on described tail end beam and the rear cross beam body near described tail end beam
Between.
A kind of Integral frame structure the most according to claim 6, its feature
It is: described tail end longeron at least two, described tail end longeron spaced set.
8. according to a kind of entirety described in claim 1-3 any one claim
Body frame structure for automotive, it is characterised in that: described Guard Assy is circular arc, described circular arc
Two ends fix with described left front girder and front right longitudinal beam respectively, described Guard Assy
It is recessed that surface is provided with backward, described recessed along described Guard Assy horizontal expansion.
9. according to a kind of entirety described in claim 1-3 any one claim
Body frame structure for automotive, it is characterised in that: described left longeron front end by laser welding with
Described left front girder is fixed, and laser welding is passed through with described in described right longeron front end
Front right longitudinal beam is fixed.
10. according to a kind of entirety described in claim 1-3 any one claim
Body frame structure for automotive, it is characterised in that: the rear of described front anti-collision beam is provided with lower camber beam.
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| CN201510334629.4A CN106314540B (en) | 2015-06-17 | 2015-06-17 | A kind of Integral frame structure |
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| CN201510334629.4A CN106314540B (en) | 2015-06-17 | 2015-06-17 | A kind of Integral frame structure |
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| CN106314540B CN106314540B (en) | 2019-06-11 |
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| CN109204568B (en) * | 2017-06-30 | 2021-11-12 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
| CN109204568A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Body structure and vehicle |
| CN109204523A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Body structure and vehicle |
| CN109204523B (en) * | 2017-06-30 | 2021-10-22 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
| CN109204509B (en) * | 2017-06-30 | 2021-11-12 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
| CN109204493A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Body structure and vehicle |
| CN109204493B (en) * | 2017-06-30 | 2021-12-07 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
| CN109204509A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Body structure and vehicle |
| CN109455226A (en) * | 2018-11-23 | 2019-03-12 | 北京宏瑞汽车科技股份有限公司 | A kind of pure electric vehicle body frame structure for automotive |
| CN109649495A (en) * | 2018-12-28 | 2019-04-19 | 陕西通家汽车股份有限公司 | Cabin crossbeam installation system in a kind of mini van |
| CN109649495B (en) * | 2018-12-28 | 2024-01-12 | 陕西通家汽车股份有限公司 | Cabin crossbeam installing system in minibus |
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| CN106314540B (en) | 2019-06-11 |
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