CN105522919B - A kind of power transmission shaft of front-engine rear-drive automobile and the attachment structure of vehicle body - Google Patents
A kind of power transmission shaft of front-engine rear-drive automobile and the attachment structure of vehicle body Download PDFInfo
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- CN105522919B CN105522919B CN201610027623.7A CN201610027623A CN105522919B CN 105522919 B CN105522919 B CN 105522919B CN 201610027623 A CN201610027623 A CN 201610027623A CN 105522919 B CN105522919 B CN 105522919B
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- welding
- transmission shaft
- vehicle body
- crossbeam
- heavy platform
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/22—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft
- B60K17/24—Arrangements of mountings for shafting
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses the attachment structure of a kind of power transmission shaft of front-engine rear-drive automobile and vehicle body, including vehicle body main body connecting bracket and transmission shaft supporting frame, vehicle body main body connecting bracket is made up of crossbeam connector, left installation crossbeam and right installation beam welding；The bottom surface of left installation crossbeam is in two stage steps face, left mounting hole is offered on the second level step surface close to right-hand member and is welded with project-welding nut, the bottom surface of right installation crossbeam is in two stage steps face, offers right mounting hole on the second level step surface close to left end and is welded with project-welding nut；The left part of transmission shaft supporting frame offers left connecting hole, right part offers right connecting hole；Power transmission shaft is arranged in transmission shaft supporting frame by bushing, and transmission shaft supporting frame is by the cooperation of bolt and left connecting hole, left mounting hole, right connecting hole, right mounting hole, project-welding nut and in vehicle body main body connecting bracket.The attachment structure can realize body structure lightweight, while its intensity, rigidity requirement more easily reach.
Description
Technical field
The present invention relates to automotive body structure, and in particular to a kind of power transmission shaft of front-engine rear-drive automobile and the connection knot of vehicle body
Structure.
Background technology
The power transmission shaft of front-engine rear-drive automobile is the key structure that carry vehicle power transmission, while is also to influence vehicle
NTF（Noise transfer function）、VTF（Vibration transfer function）The dynamic economicses index such as equivalent comfort index and power transmission
Critical system structure, to meet the attachment structure of its performance requirement, power transmission shaft and vehicle body（That is the mounting structure of power transmission shaft）Often
It is heavy to be designed to comparison.
As shown in figure 1, the attachment structure of existing power transmission shaft and vehicle body, including vehicle body main body connecting bracket 1, power transmission shaft branch
Support 3 and vehicle body general assembly bracket assembly 4, vehicle body main body connecting bracket 1 are in U by the crossbeam connector 13 in " several " font, section
The right installation crossbeam 12 that left the installation crossbeam 11 and section of shape take the shape of the letter U is formed, and the bottom surface left part of left installation crossbeam 11 offers
Left crossbeam mounting hole, the right part of left installation crossbeam 11 and the left flange 131 of crossbeam connector 13 weld, right installation crossbeam 12
Left part and the right flange 132 of crossbeam connector 13 weld, and the bottom surface right part of right installation crossbeam 12 offers right crossbeam installation
Hole, transmission shaft supporting frame 3 are formed by welding by the upper supporting piece 31 in " Ω " shape and in the lower support element 32 of " Ω " shape, middle part shape
Into cylindrical cavity, the left part of transmission shaft supporting frame 3 offers the left mounting hole of support frame, is driven the right part of shaft supporting frame 3
The right mounting hole of support frame is offered, vehicle body general assembly bracket assembly 4 is by connection supporting plate 41 and is welded in connection supporting plate 41
Two brackets 42 are formed, and the left part of connection supporting plate 41 offers left connecting hole corresponding with left crossbeam mounting hole, connection branch
The right part of fagging 41 offers right connecting hole corresponding with right crossbeam mounting hole, is offered on the bracket 42 on the left side and support frame
Left tray hole corresponding to left mounting hole, right bracket hole corresponding with the right mounting hole of support frame is offered on the bracket 42 on the right.
During installation, power transmission shaft 2 passes through bushing 5（For hollow cylindrical rubber parts）Cylindrical chamber of the elastic conjunction in transmission shaft supporting frame 3
In vivo, be driven shaft supporting frame 3 by bolt and the left mounting hole of support frame, left tray hole and bolt and the right mounting hole of support frame,
The cooperation of right bracket hole and on the vehicle body general assembly bracket assembly 4, vehicle body general assembly bracket assembly 4 passes through bolt and left connection
Hole, left crossbeam mounting hole and bolt and right connecting hole, right crossbeam mounting hole cooperation and be arranged on vehicle body main body connecting bracket 1
On.There are the following problems for this attachment structure：（1）Power transmission shaft is arranged in transmission shaft supporting frame, and transmission shaft supporting frame is arranged on
On vehicle body general assembly bracket assembly, vehicle body general assembly bracket assembly is arranged in vehicle body main body connecting bracket, the pivot of power transmission shaft
Distant from car body, its intensity to attachment structure, rigidity property require higher；（2）Need total by vehicle body general assembly bracket
Into the connection that could realize power transmission shaft and vehicle body, vehicle body general assembly bracket assembly is complicated and heavy, and cost is higher, unfavorable
In realize body structure lightweight and integral vehicle cost control.
The content of the invention
It is an object of the invention to provide the attachment structure of a kind of power transmission shaft of front-engine rear-drive automobile and vehicle body, to realize vehicle body
It is structure lightened, while more easily reach its intensity, rigidity requirement.
The power transmission shaft of front-engine rear-drive automobile of the present invention and the attachment structure of vehicle body, including vehicle body main body connecting bracket
With transmission shaft supporting frame, the left installation that the vehicle body main body connecting bracket is taken the shape of the letter U by crossbeam connector, the section in " several " font
The right installation crossbeam that crossbeam and section take the shape of the letter U is formed, the right part of left installation crossbeam and the left flanging welded of crossbeam connector, right
The left part of crossbeam and the right flanging welded of crossbeam connector are installed, the transmission shaft supporting frame is by the upper supporting piece in " Ω " shape
It is formed by welding with the lower support element in " Ω " shape.The bottom surface of the left installation crossbeam is in upward two stage steps from left to right
Face, left mounting hole is offered on the second level step surface close to right-hand member, project-welding nut is welded with left mounting hole；The right peace
The bottom surface for filling crossbeam is in upward two stage steps face from right to left, and right installation is offered on the second level step surface close to left end
Hole, project-welding nut is welded with right mounting hole；The left part of the transmission shaft supporting frame offers a left side corresponding with left mounting hole
Connecting hole, right part offer right connecting hole corresponding with right mounting hole；Power transmission shaft is arranged on transmission shaft supporting frame by bushing
Interior, transmission shaft supporting frame passes through bolt and left connecting hole, left mounting hole, project-welding nut and bolt and right connecting hole, right installation
Hole, project-welding nut cooperation and in the vehicle body main body connecting bracket.
In order to reduce collision influence to caused by vehicle body, the crumple power of increase transmission shaft supporting frame, the power transmission shaft support
Left crumple hole, the right part that the left part of frame offers strip offer the right crumple hole of strip.
In order to increase the intensity of left installation crossbeam, the right-hand member of the second level step surface of the left installation crossbeam, which has, to be bent up
The left connection flange of folding, the top of the left connection flange and crossbeam connector are welded.
It is described it is left installation crossbeam first order step surface on offer left positioning hole, for it is left installation beam welding when determine
Position；It is described it is right installation crossbeam first order step surface on offer right positioning hole, for it is right installation beam welding when positioning.
The left end of the left installation crossbeam has the first left welding flange with the left longitudinal beam welding of vehicle body, left installation crossbeam
Top front and rear sides has the second left welding flange with left side floor plate weld, the right-hand member of two the second left welding flange
Left flanging welded of the portion all with crossbeam connector；The right-hand member of the right installation crossbeam has first right side with the welding of vehicle body right vertical beam
Flange is welded, there is the top front and rear sides of right installation crossbeam the second backhand welding with the welding of right floor panel to connect flange, two
Second backhand welding connects right flanging welded of the left part of flange all with crossbeam connector.
The first left heavy platform is provided with the left connection side of the upper supporting piece, the first left heavy platform is located at the right side of left connecting hole
Side, the first right heavy platform is provided with the right connection side of upper supporting piece, the first right heavy platform is located at the left side of right connecting hole, upper support
The front and rear sides of part has the first welding edge；It is provided with the left connection side of the lower support element corresponding with the first left heavy platform
Second left heavy platform, the second left heavy platform are located at the right side of left connecting hole, are provided with and first right side on the right connection side of lower support element
Second right heavy platform corresponding to heavy platform, the second right heavy platform be located at the left side of right connecting hole, the front and rear sides of lower support element with
Second welding edge corresponding to first welding edge；The heavy platform welding of described first left heavy platform and second left side, the first right heavy platform and second right side
Heavy platform welding, positioned at upper supporting piece first welding edge of the left connection in front and rear sides with left connection positioned at lower support element while
Second welding edge of front and rear sides is corresponding to be welded, the first welding edge and position positioned at the right connection side front and rear sides of upper supporting piece
In the corresponding welding of the second welding edge of the right connection side front and rear sides of lower support element.
The present invention compared with prior art, has the effect that：
（1）The structure of vehicle body main body connecting bracket and transmission shaft supporting frame is optimized, transmission shaft supporting frame is direct
In vehicle body main body connecting bracket, the direct assembling of power transmission shaft and main structure of vehicle body is realized, it is firm to improve mount point
Degree, is advantageous to vehicle NVH performance boosts；Simultaneously power transmission shaft pivot it is closer to the distance from car body, the intensity of attachment structure, just
Degree performance requirement more easily reachs.
（2）Reduce vehicle body general assembly bracket assembly this parts, simplify structure, alleviate weight, realize vehicle body
It is structure lightened, fuel economy is improved, while also reduce body structure cost.
Brief description of the drawings
Fig. 1 is the power transmission shaft of existing front-engine rear-drive automobile and the attachment structure schematic diagram of vehicle body.
Fig. 2 is the structural representation of the present invention.
Fig. 3 is the upward view of vehicle body main body connecting bracket.
Fig. 4 is the upward view of the position relationship of transmission shaft supporting frame and power transmission shaft.
Fig. 5 is the axonometric drawing of transmission shaft supporting frame and bushing.
Embodiment
The present invention is elaborated below in conjunction with the accompanying drawings.
The power transmission shaft of front-engine rear-drive automobile as shown in Figures 2 to 5 and the attachment structure of vehicle body, including the connection of vehicle body main body
Support 1 and transmission shaft supporting frame 3, vehicle body main body connecting bracket 1 are taken the shape of the letter U by crossbeam connector 13, the section in " several " font
The right installation crossbeam 12 that left installation crossbeam 11 and section take the shape of the letter U is formed.The left flange of " several " character form structure of crossbeam connector 13
The lateral surface of 131 lateral surface, the lateral surface at top 133 and right flange 132 welds with preceding floor tunnel.
The left end of left installation crossbeam 11 has the first left welding flange 114 with the left longitudinal beam welding of vehicle body, left installation crossbeam
11 top front and rear sides has the second left welding flange 115 with left side floor plate weld, two the second left welding flange
All welded with the medial surface of the left flange 131 of crossbeam connector 13 115 right part；The bottom surface of left installation crossbeam 11 is from left to right
In upward two stage steps face, φ 15mm left positioning hole 112 is offered on first order step surface, close to the second level of right-hand member
φ 11mm left mounting hole 111 is offered on step surface, M10 project-welding nut, second level step are welded with left mounting hole 111
The right-hand member in face has the left connection flange 113 being folded upward at, the left connection flange 113 and the top 133 of crossbeam connector 13
Medial surface welds.
There is the right-hand member of right installation crossbeam 12 the first backhand welding with the welding of vehicle body right vertical beam to connect flange 123, right installation crossbeam
There is 12 top front and rear sides the second backhand welding with the welding of right floor panel to connect flange 124, and two the second backhand weldings connect flange
All welded with the medial surface of the right flange 132 of crossbeam connector 13 124 left part；The bottom surface of right installation crossbeam 12 is from right to left
In upward two stage steps face, φ 15mm right positioning hole 122 is offered on first order step surface, close to the second level of left end
φ 11mm right mounting hole 121 is offered on step surface, M10 project-welding nuts are welded with right mounting hole 121.
Transmission shaft supporting frame 3 is formed by welding by the upper supporting piece 31 in " Ω " shape and in the lower support element 32 of " Ω " shape,
Middle part formed cylindrical cavity, transmission shaft supporting frame 3 left part offer strip left crumple hole 35 and with left mounting hole
The left connecting hole 33 of φ 11mm corresponding to 111, transmission shaft supporting frame 3 right part offer strip right crumple hole 36 and with
φ 11mm right connecting hole 34 corresponding to right mounting hole 121.
φ 20mm the first left heavy platform 311 is provided with the left connection side of upper supporting piece 31, the first left heavy platform 311 is located at
The right side of the left connecting hole 33 of upper supporting piece 31, φ 20mm the first right heavy platform is provided with the right connection side of upper supporting piece 31
312, the first right heavy platform 312 is located at the left side of the right connecting hole 34 of upper supporting piece 31, and the front and rear sides of upper supporting piece 31 has
First welding edge 313, three upper lightening holes 314 are offered on the semicircular structure of upper supporting piece 31.The left company of lower support element 32
φ 20mm corresponding with the first left heavy platform 311 the second left heavy platform 321 is provided with edge fit, under the second left heavy platform 321 is located at
The right side of the left connecting hole 33 of support member 32, it is provided with the right connection side of lower support element 32 corresponding with the first right heavy platform 312
The right heavy platform 322 of the second of φ 20mm, the second right heavy platform 322 are located at the left side of the right connecting hole 34 of lower support element 32, lower support
The front and rear sides of part 32 has and 313 corresponding second welding edge 323 of the first welding edge, the semicircular structure of lower support element 32
On offer three lower lightening holes 324.First left heavy platform 311 welds with the second left heavy platform 321, the first right heavy platform 312 and second
The heavy platform 322 in the right side welds, positioned at upper supporting piece 31 left connection side front and rear sides the first welding edge 313 with being located at lower support element
Second welding edge 323 of 32 left connection side front and rear sides is corresponding to be welded, positioned at the right connection side forward and backward two of upper supporting piece 31
The 323 corresponding welding of the second welding edge of right connection side front and rear sides of first welding edge 313 of side with being located at lower support element 32.
Power transmission shaft 2 is made up of power transmission shaft leading portion 21, power transmission shaft back segment 22 and universal joint 23, and power transmission shaft 2 passes through the mistake of bushing 5
It is full of and is assemblied in the cylindrical cavity of transmission shaft supporting frame 3, transmission shaft supporting frame 3 passes through bolt and left connecting hole 33, left installation
Hole 111, project-welding nut and bolt and right connecting hole 34, right mounting hole 121, project-welding nut cooperation and be arranged on vehicle body main body
In connecting bracket 1.
Claims (4)
1. a kind of power transmission shaft of front-engine rear-drive automobile and the attachment structure of vehicle body, including vehicle body main body connecting bracket（1）And transmission
Shaft supporting frame（3）, the vehicle body main body connecting bracket（1）By the crossbeam connector in " several " font（13）, the left side that takes the shape of the letter U of section
Crossbeam is installed（11）The right installation crossbeam to be taken the shape of the letter U with section（12）Form, the right part of left installation crossbeam and crossbeam connector
Left flange（131）Welding, the left part of right installation crossbeam and the right flange of crossbeam connector（132）Welding, the power transmission shaft branch
Support（3）By the upper supporting piece in " Ω " shape（31）With the lower support element in " Ω " shape（32）It is formed by welding；It is characterized in that：
The left installation crossbeam（11）Bottom surface be in upward two stage steps face from left to right, close to right-hand member second level step
Left mounting hole is offered on face（111）, left mounting hole（111）On be welded with project-welding nut, the left installation crossbeam（11）
The right-hand member in two stage steps face has the left connection flange being folded upward at（113）, the left connection flange（113）With crossbeam connector
（13）Top（133）Welding；The right installation crossbeam（12）Bottom surface be in from right to left upward two stage steps face, close
Right mounting hole is offered on the second level step surface of left end（121）, right mounting hole（121）On be welded with project-welding nut；The biography
Shafts support frame（3）Left part offer the left crumple hole of strip（35）And with left mounting hole（111）Corresponding left company
Connect hole（33）, right part offer the right crumple hole of strip（36）And with right mounting hole（121）Corresponding right connecting hole
（34）；Power transmission shaft（2）Pass through bushing（5）Installed in transmission shaft supporting frame（3）It is interior, it is driven shaft supporting frame（3）Pass through bolt and a left side
Connecting hole（33）, left mounting hole（111）, project-welding nut and bolt and right connecting hole（34）, right mounting hole（121）, projection welding spiral shell
Female cooperation and be arranged on vehicle body main body connecting bracket（1）On.
2. the power transmission shaft of front-engine rear-drive automobile according to claim 1 and the attachment structure of vehicle body, it is characterised in that：It is described
Left installation crossbeam（11）First order step surface on offer left positioning hole（112）, the right installation crossbeam（12）The first order
Right positioning hole is offered on step surface（122）.
3. the power transmission shaft of front-engine rear-drive automobile according to claim 2 and the attachment structure of vehicle body, it is characterised in that：
The left installation crossbeam（11）Left end there is the first left welding flange with the left longitudinal beam welding of vehicle body（114）, left installation
Crossbeam（11）Top front and rear sides there is the second left welding flange with left side floor plate weld（115）, two second left
Weld flange right part all with crossbeam connector（13）Left flange（131）Welding；
The right installation crossbeam（12）Right-hand member have with vehicle body right vertical beam welding the first backhand welding connect flange（123）, right installation
Crossbeam（12）Top front and rear sides have with right floor panel welding the second backhand welding connect flange（124）, two second right
Weld flange left part all with crossbeam connector（13）Right flange（132）Welding.
4. the power transmission shaft of front-engine rear-drive automobile according to claim 2 and the attachment structure of vehicle body, it is characterised in that：
The upper supporting piece（31）Left connection side on be provided with the first left heavy platform（311）, the first left heavy platform is located at left connection
Hole（33）Right side, upper supporting piece（31）Right connection side on be provided with the first right heavy platform（312）, the first right heavy platform is positioned at the right side
Connecting hole（34）Left side, upper supporting piece（31）Front and rear sides there is the first welding edge（313）；
The lower support element（32）Left connection side on be provided with and the first left heavy platform（311）Corresponding second left heavy platform（321）,
The second left heavy platform is located at left connecting hole（33）Right side, lower support element（32）Right connection side on be provided with and the first right heavy platform
（312）Corresponding second right heavy platform（322）, the second right heavy platform is located at right connecting hole（34）Left side, lower support element（32）'s
Front and rear sides has and the first welding edge（313）Corresponding second welding edge（323）；
Described first left heavy platform（311）With the second left heavy platform（321）Welding, the first right heavy platform（312）With the second right heavy platform（322）
Welding, positioned at upper supporting piece（31）Left connection side front and rear sides the first welding edge（313）With positioned at lower support element（32）'s
Second welding edge of left connection side front and rear sides（323）Corresponding welding, positioned at upper supporting piece（31）Right connection side forward and backward two
First welding edge of side（313）With positioned at lower support element（32）Right connection side front and rear sides the second welding edge（323）It is corresponding
Welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610027623.7A CN105522919B (en) | 2016-01-15 | 2016-01-15 | A kind of power transmission shaft of front-engine rear-drive automobile and the attachment structure of vehicle body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610027623.7A CN105522919B (en) | 2016-01-15 | 2016-01-15 | A kind of power transmission shaft of front-engine rear-drive automobile and the attachment structure of vehicle body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105522919A CN105522919A (en) | 2016-04-27 |
| CN105522919B true CN105522919B (en) | 2018-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610027623.7A Active CN105522919B (en) | 2016-01-15 | 2016-01-15 | A kind of power transmission shaft of front-engine rear-drive automobile and the attachment structure of vehicle body |
Country Status (1)
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| CN (1) | CN105522919B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776692B (en) * | 2022-04-29 | 2023-12-22 | 江铃汽车股份有限公司 | Detachable transmission shaft and design method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105522919A (en) | 2016-04-27 |
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