CN100462247C - Mounting method of air suspension vehicle chassis and supporting rod thereof - Google Patents
Mounting method of air suspension vehicle chassis and supporting rod thereof Download PDFInfo
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- CN100462247C CN100462247C CNB2007100526106A CN200710052610A CN100462247C CN 100462247 C CN100462247 C CN 100462247C CN B2007100526106 A CNB2007100526106 A CN B2007100526106A CN 200710052610 A CN200710052610 A CN 200710052610A CN 100462247 C CN100462247 C CN 100462247C
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- strut bar
- shock absorber
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Abstract
The method for mounting chassis of air suspension vehicle and its support bar, install the support bar (11) between frame (2) and axle (6) or between shock absorber upper bracket (3) and shock absorber lower bracket (7) first, make frame (2) in the normal height range of going, when the whole car is assembled, after inflating gasbag (1), dismantle the support bar (11). The supporting rod (11) is simple in structure, convenient to use and high in universality. The air bag (1) does not bear tension force, does not need to be inflated, the chassis can be kept within a normal height range, and the air bag and other parts on the chassis are not easy to damage in the installation, storage and transportation processes. The method is simple and convenient, the process steps are compact and reasonable, the installation work efficiency and the installation quality are improved, the manpower and material resources can be greatly reduced, the rework rate and the part loss in the process of installing and transporting the chassis are reduced, and the production cost is saved. The mounting structure is suitable for mounting various air suspension type vehicle chassis.
Description
Technical field
The present invention relates to a kind of installation method of suspension device for vehicle.Also relate to a kind of load-carrying element.Be the installation method and the strut bar thereof of air suspension vehicle chassis specifically.
Background technology
Existing vehicle air suspension general main by lower bracket on stabilizer rod, stabilizer bar arm, shock absorber, the shock absorber (comprising the support of be with mounting hole and the support of being with bearing pin), propelling rod, track bar bracket, air bag base, air-bag support, highly control sensor etc. and form.In this type air suspension scheme, propelling rod bears vertical and horizontal power, and air-suspension bellows is arranged between vehicle frame and the vehicle bridge, mainly bears and transmit the load of gravity direction.There is following problem in this structure in fitting process: at first vehicle frame must be used the stand bed hedgehopping, then below parts such as vehicle bridge and air-suspension bellows are installed, air bag is unaerated still or underinflation after packing into.Stand takes up room bigger, the installation inconvenience, if at erecting yard to airbag aeration, chassis frame is raise, substitute stand.But because each parts and pipeline is still unassembled finishes on the chassis, assembling stage has inconvenience to airbag aeration on the chassis.At this moment will cause vehicle frame to sink greatly if remove stand, chassis frame can can't assemble because of terrain clearance is too small.Particularly also have following problem in the transport process of this structure after the assembling of chassis: the one, the load on the vertical direction of chassis is mainly by carrying of air bag internal damping piece and transmission, in vehicle chassis transhipment or transportation, when sling in the chassis, suspension centre can be through air bag and shock absorber pull-up vehicle bridge when vehicle frame rises usually on vehicle frame.Air bag and shock absorber all are pressure-containing members, are unfavorable for bearing the drop-down strength from vehicle bridge.If do not have safety method just may cause airbag cover and pneumatophore to break away from during lifting, promptly pull air bag.Necessary refitting this moment air bag, with respect to the packing state, the refitting air bag will bother manyly separately between vehicle frame that assembles and vehicle bridge, and the wasting manpower and material resources also may cause air bag rubber to ftracture simultaneously, and air bag is scrapped.The 2nd, deposit in the process on the chassis owing to there is not stand to support, air bag unaerated or underinflation, vehicle frame is pressed to vehicle bridge, the terrain clearance of chassis frame is far below design value, the time regular meeting damage other parts on the chassis such as shaft adapter etc. by pressure.
Summary of the invention
The objective of the invention is defective and deficiency, propose the installation method of the higher air suspension vehicle chassis of a kind of installation quality and work efficiency at existing chassis installation method.Its method is easy, and cost is low, can effectively avoid the damage that in installation and transportation the vehicle chassis parts is caused.
Another object of the present invention is at the inconvenience of existing chassis erecting device, and a kind of strut bar that is suitable for connecting vehicle frame and vehicle bridge is provided.It is simple in structure, operation and easy to adjust, and commonality is good.
First purpose of the present invention realizes in the following manner: the installation method of air suspension vehicle chassis, earlier between vehicle frame and vehicle bridge, strut bar is installed, adjust the bearing height of strut bar, vehicle frame is in the cruising altitude range, carry out the installation of miscellaneous part then, during to the car load assembling,, remove strut bar again to behind the airbag aeration.
The present invention can also further be installed in strut bar on shock absorber upper bracket and the shock absorber lower bracket, during to the car load assembling, to behind the airbag aeration, removes strut bar again, mounting dampers.
Second purpose of the present invention realizes in the following manner: strut bar is by the body of rod and screw at the captive nut at body of rod two ends and form, and body of rod two ends are connected with vehicle bridge with vehicle frame respectively through captive nut, perhaps are connected with the shock absorber lower bracket with the shock absorber upper bracket.
Second purpose of the present invention also can realize in the following manner: strut bar is made up of screwed pipe, the push rod and the captive nut that screw on the screwed pipe two ends, the two ends of push rod are shaped on screw thread, two push rods are connected with vehicle bridge with vehicle frame respectively, perhaps are connected with the shock absorber lower bracket with the shock absorber upper bracket.
The present invention can also the body of rod or push rod be provided with supporting plate.
The present invention further supporting plate is provided with the right angle otic placode, and the right angle otic placode is provided with pin-and-hole.
The present invention further screwed pipe is provided with handle.
Compared with prior art, the present invention has following tangible advantage: 1. at the vehicle chassis that adopts air suspension in fitting process, earlier between vehicle frame and vehicle bridge, strut bar is installed, need not air bag is inflated in advance, also need not to adopt stand or other chassis frame jacking measure, the chassis can be remained in the normal altitude range, reduced the inconvenience to pre-inflation of air bag or the operation of jack-up vehicle frame, also the installation for other parts on the chassis has brought convenience.2. in the hoisting process of vehicle chassis transhipment, air bag does not bear pulling force, the phenomenon that airbag cover and pneumatophore break away from can not occur, and need not air bag is taked other safety method yet.Vehicle chassis miscellaneous part on the chassis when depositing is not fragile yet.3. supporting bar structure is simple, and is easy to make, and support strength is higher, uses and adjusts fast, and installation length can be regulated, and can adapt to different vehicles, highly versatile, and cost is low, and strut bar assembles can pull down after finishing at car load and reuses.4. installation method is easy, adapt to the site environment that install on the chassis, adjustment to mounting process is less, processing step compactness, reasonable, installation efficiency and installation quality have been improved, reduce manpower and materials greatly, reduced the chassis installation, transported and deposit rework rate and parts corrupted in the process, saved productive costs.
Description of drawings
Fig. 1 a is the structural representation on existing a kind of air suspension chassis
Fig. 1 b is the structural representation on existing another kind of air suspension chassis
Fig. 2 is a kind of structural representation that adopts the inventive method used for installing air suspension chassis
Fig. 3 is the structural representation of strut bar 11 among Fig. 2
Fig. 4 is the scheme drawing of strut bar 11 another kind of structures
Among the figure: air bag 1, vehicle frame 2, shock absorber upper bracket 3, shock absorber 4, highly control sensor 5, vehicle bridge 6, shock absorber lower bracket 7, Panhard rod 8, V-type propelling rod 9, longitudinal rod 10, strut bar 11, the body of rod 12, captive nut 13, push rod 14, screwed pipe 15, handle 16, supporting plate 17 sells 18 on the shock absorber, shock absorber downside pin 19.
The specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments:
Referring to Fig. 1 a, Fig. 1 b, it is to adopt the stand pad to play vehicle frame 2 earlier that existing air suspension vehicle chassis is installed, below push vehicle bridge 6, Panhard rod 8 is installed between vehicle frame 2 and vehicle bridge 6 then, V-type propelling rod 9, longitudinal rod 10, air bag 1, are highly controlled parts such as sensor 5 and various pipelines at shock absorber 4.After finishing, the vehicle chassis lifting is transported to carries out the car load assembling on the car load assembling line again.
Referring to Fig. 2, Fig. 3, the installation method of air suspension vehicle chassis of the present invention is sling vehicle frame 2 earlier, vehicle frame 2 and below vehicle bridge 6 between strut bar 11 is installed, adjust the bearing height of strut bar 11, vehicle frame 2 is in the cruising altitude range, locking strut bar 11, carry out the installation of miscellaneous part then, during to the car load assembling, after air bag 1 inflation, remove strut bar 11 again.During installation, can utilize that existing hole fixes strut bar 11 on vehicle frame 2 and the vehicle bridge 6, fix strut bar 11 as using the hole that other parts are installed on vehicle frame 2 and the vehicle bridge 6.Also can on vehicle frame 2 and vehicle bridge 6, be used for fixing strut bar 11 in the manufacture craft hole.Consider the constructional feature on chassis, its preferred scheme is that strut bar 11 is installed on the hole of shock absorber upper bracket 3 and shock absorber lower bracket 7, during to the car load assembling, after air bag 1 inflation, removes strut bar 11 again, mounting dampers 4.
During installation, the vehicle frame 2 of slinging earlier, vehicle bridge 6 is placed the below of vehicle frame 2, unload the superolateral captive nut 13 in the body of rod 12 two ends, then the body of rod 12 two ends are passed the hole on vehicle frame 2 and the vehicle bridge 6 respectively, the perhaps hole on shock absorber upper bracket 3 and the shock absorber lower bracket 7, adjust the bearing height of strut bar 11 by the captive nut 13 that rotates the body of rod 12 inboards, the height of vehicle frame 2 is remained in the scope of cruising height, again the captive nut 13 that unloads is screwed on the body of rod 12, make captive nut 13 be clamped in vehicle frame 2 respectively, on the vehicle bridge 6 or shock absorber upper bracket 3, the plate face both sides of shock absorber lower bracket 7, the nut 13 that is locked, at this moment strut bar 11 just is connected as a single entity with vehicle frame and vehicle bridge 6.During to the car load assembling, after air bag 1 inflation, remove strut bar 11 and corresponding mounting dampers 4 again.When strut bar 11 is installed on vehicle frame 2 and vehicle bridge 6, the quantity of strut bar 11 should guarantee vehicle frame and 2 and vehicle bridge 6 bonded assemblys safe and reliable.When strut bar 11 was installed in the installation site of shock absorber 4, the quantity of every chassis upper support bar 11 was identical with shock absorber 4 quantity that should install.
Referring to Fig. 4, strut bar 11 of the present invention also can be made up of screwed pipe 15, the push rod 14 and the captive nut 13 that screw on screwed pipe 15 two ends, two push rods 14 are connected with vehicle bridge 6 with vehicle frame 2 respectively, perhaps are connected with hole on the shock absorber lower bracket 7 with shock absorber upper bracket 3.Push rod 14 is rod members that two ends all are shaped on screw thread, can be provided with supporting plate 17 at the middle part of push rod 14.The two ends that are push rod 14 are shaped on screw thread, and the middle part is provided with supporting plate 17.Supporting plate 17 can be made one with push rod 14, also can be the part that is socketed on the push rod 14.For adapting to the different structure form of damper bracket, on supporting plate 17, can also be provided with the right angle otic placode, the right angle otic placode is provided with pin-and-hole.This pin-and-hole can be corresponding with pin 18 on the horizontal shock absorber on the hanger formula damper bracket and shock absorber downside pin 19, and pin-and-hole is inserted in pin 18 and shock absorber downside pin 19 and locking on the shock absorber, and supporting plate 17 just can be connected with hanger formula damper bracket easily.
For ease of rotating screwed pipe 15, on screwed pipe 15, also can be provided with handle 16.As shown in Figure 4, when strut bar 11 is installed, should unload the captive nut 13 of lower push rod 14 ends earlier, then the head of two push rods 14 is passed the hole on shock absorber upper bracket 3 and the shock absorber lower bracket 7 respectively, by rotating screwed pipe 15 or handle 16, also rotatable push rod 14, make supporting plate 17 on two push rods 14 be adjacent to inboard respectively at shock absorber upper bracket 3 and shock absorber lower bracket 7, continue to adjust strut bar 11, prop up vehicle frame 2, the height of vehicle frame 2 is remained in the scope of cruising height, the captive nut 13 that unloads is screwed on push rod 14, like this, captive nut 13 is clamped in respectively on the plate face of shock absorber upper bracket 3 and shock absorber lower bracket 7 again, the nut 13 that is locked, at this moment strut bar 11 just is connected as a single entity with vehicle frame and vehicle bridge 6.If damper bracket is hanger formula structure, then the pin-and-hole of right angle otic placode on the supporting plate 17 can be inserted on the bumper on the upper and lower support 3,7 of shock absorber on the pin 18 and shock absorber downside pin 19 and locking, strut bar 11 and vehicle frame 2 and vehicle bridge 6 are connected as a single entity.During to the car load assembling, after air bag 1 inflation, remove strut bar 11 again, mounting dampers 4.
The body of rod 12 two ends among Fig. 3 can be provided with the supporting plate 17 of right angle otic placode equally, and to adapt to the fixed form of hanger formula damper bracket, installation method is the same.
Adopt the inventive method and strut bar thereof to carry out the test of used for installing air suspension vehicle chassis: to need not air bag 1 is put on the air, it is constant that the height of vehicle chassis remains at normal ride-height, for the installation of each parts provides rational space, easier for installation.In the transhipment on chassis with deposit in the process, the miscellaneous part on air bag 1 and the chassis is not fragile, and the rework rate of air bag 1 and the failure ratio of parts reduce to 1% and 1% respectively by former 40% and 20%, and work efficiency improves 15%, and productive costs reduces by 10%.
Claims (8)
1. the installation method of air suspension vehicle chassis, it is characterized in that: between vehicle frame (2) and vehicle bridge (6), strut bar (11) is installed earlier, adjust the bearing height of strut bar (11), vehicle frame (2) is in the cruising altitude range, between vehicle frame (2) and vehicle bridge (6), Panhard rod (8) is installed then, V-type propelling rod (9), longitudinal rod (10), air bag (1), shock absorber (4), highly control sensor (5) and various pipeline parts, after finishing, again the vehicle chassis lifting is transported to and carries out the car load assembling on the car load assembling line, during to the car load assembling, after air bag (1) inflation, remove strut bar (11) again.
2. the installation method of air suspension vehicle chassis according to claim 1, it is characterized in that: strut bar (11) is installed on shock absorber upper bracket (3) and the shock absorber lower bracket (7), during to the car load assembling, after air bag (1) inflation, remove strut bar (11) again, mounting dampers (4).
3. realize the strut bar in the installation method according to claim 1 for one kind, it is characterized in that: strut bar (11) is by the body of rod (12) and respectively be combined with at least two captive nuts (13) at the body of rod (12) two ends and form, one end of the described body of rod (12) is connected with vehicle frame (2) through captive nut (13), the other end is connected with vehicle bridge (6) through captive nut (13), the perhaps described body of rod (12) one ends are connected with shock absorber upper bracket (3) through captive nut (13), and the other end is connected with shock absorber lower bracket (7) through captive nut (13).
4. realize the strut bar in the installation method according to claim 1 for one kind, it is characterized in that: strut bar (11) is by screwed pipe (15), the push rod (14) and the captive nut (13) that screw on screwed pipe (15) two ends are formed, the two ends of push rod (14) are shaped on screw thread, push rod (14) on described screwed pipe (15) one ends is connected with vehicle frame (2) through captive nut (13), push rod (14) on described screwed pipe (15) other end is connected with vehicle bridge (6) through captive nut (13), push rod (14) on perhaps described screwed pipe (15) one ends is connected with shock absorber upper bracket (3) through captive nut (13), and the push rod (14) on described screwed pipe (15) other end is connected with shock absorber lower bracket (7) through captive nut (13).
5. strut bar according to claim 3 is characterized in that: the described body of rod (12) is provided with supporting plate (17).
6. strut bar according to claim 4 is characterized in that: described push rod (14) is provided with supporting plate (17).
7. according to claim 5 or 6 described strut bars, it is characterized in that: described supporting plate (17) is provided with the right angle otic placode, and the right angle otic placode is provided with pin-and-hole.
8. strut bar according to claim 4 is characterized in that: described screwed pipe (15) is provided with handle (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100526106A CN100462247C (en) | 2007-07-02 | 2007-07-02 | Mounting method of air suspension vehicle chassis and supporting rod thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100526106A CN100462247C (en) | 2007-07-02 | 2007-07-02 | Mounting method of air suspension vehicle chassis and supporting rod thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101077687A CN101077687A (en) | 2007-11-28 |
| CN100462247C true CN100462247C (en) | 2009-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100526106A Active CN100462247C (en) | 2007-07-02 | 2007-07-02 | Mounting method of air suspension vehicle chassis and supporting rod thereof |
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| Country | Link |
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| CN (1) | CN100462247C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103895730B (en) * | 2012-12-28 | 2016-08-10 | 上海申龙客车有限公司 | A kind of Low Floor City Bus chassis transfer tooling |
| CN106741310B (en) * | 2015-11-20 | 2019-11-22 | 北京宝沃汽车有限公司 | The assembly method and vehicle of vehicle rear axle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2126271U (en) * | 1992-06-05 | 1992-12-30 | 刘贤 | Form-bracing device for construtional work |
| CN2229373Y (en) * | 1995-06-26 | 1996-06-19 | 龚亚迪 | Floating bridge with air suspension |
| CN1207991A (en) * | 1997-08-08 | 1999-02-17 | 日野汽车工业株式会社 | Spring installation structure for air suspension of vehicle |
| JP2005212759A (en) * | 2004-02-02 | 2005-08-11 | Nissan Diesel Motor Co Ltd | Air spring mounting structure and its mounting method |
| CN2837128Y (en) * | 2005-04-27 | 2006-11-15 | 东风汽车悬架弹簧有限公司 | A front air suspension frame for coach chassis |
| CN2868741Y (en) * | 2005-09-22 | 2007-02-14 | 张海峰 | Vehicle air suspension-frame front air-bag support |
-
2007
- 2007-07-02 CN CNB2007100526106A patent/CN100462247C/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2126271U (en) * | 1992-06-05 | 1992-12-30 | 刘贤 | Form-bracing device for construtional work |
| CN2229373Y (en) * | 1995-06-26 | 1996-06-19 | 龚亚迪 | Floating bridge with air suspension |
| CN1207991A (en) * | 1997-08-08 | 1999-02-17 | 日野汽车工业株式会社 | Spring installation structure for air suspension of vehicle |
| JP2005212759A (en) * | 2004-02-02 | 2005-08-11 | Nissan Diesel Motor Co Ltd | Air spring mounting structure and its mounting method |
| CN2837128Y (en) * | 2005-04-27 | 2006-11-15 | 东风汽车悬架弹簧有限公司 | A front air suspension frame for coach chassis |
| CN2868741Y (en) * | 2005-09-22 | 2007-02-14 | 张海峰 | Vehicle air suspension-frame front air-bag support |
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| Publication number | Publication date |
|---|---|
| CN101077687A (en) | 2007-11-28 |
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Owner name: DONGFENG CAR CO. Free format text: FORMER OWNER: DONGFENG AUTOMOBILE CO., LTD. Effective date: 20130924 |
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Effective date of registration: 20130924 Address after: 430056 Wuhan economic and Technological Development Zone, Hubei Province, Dongfeng Road, No. 1, No. Patentee after: Dongfeng Motor Corporation Address before: 430056 Dongfeng Road, Wuhan Economic Development Zone, Hanyang District, Hubei, China, No. 10, No. Patentee before: DONGFENG MOTER Co.,Ltd. |