CN203047405U - Air damping automobile cab rear suspension device - Google Patents
Air damping automobile cab rear suspension device Download PDFInfo
- Publication number
- CN203047405U CN203047405U CN 201220709642 CN201220709642U CN203047405U CN 203047405 U CN203047405 U CN 203047405U CN 201220709642 CN201220709642 CN 201220709642 CN 201220709642 U CN201220709642 U CN 201220709642U CN 203047405 U CN203047405 U CN 203047405U
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- CN
- China
- Prior art keywords
- levelling valve
- bracket assembly
- support
- suspension device
- rear suspension
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000000725 suspension Substances 0.000 title claims abstract description 23
- 238000013016 damping Methods 0.000 title claims description 16
- 230000035939 shock Effects 0.000 claims abstract description 30
- 239000006096 absorbing agent Substances 0.000 claims abstract description 28
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 18
- 244000261422 Lysimachia clethroides Species 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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- Body Structure For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The rear suspension device comprises an air spring shock absorber, a height valve, an upper support assembly, a lower support assembly, a rear cross beam and a transverse shock absorber, wherein the upper support assembly comprises an upper connecting support, a hydraulic lock and a middle connecting support, the top end of the upper connecting support is connected with the bottom of a cab, the bottom end of the upper connecting support is connected with a frame after passing through the middle of the hydraulic lock, the middle connecting support, the air spring shock absorber and the lower support assembly in sequence, the joint of the top of the lower support assembly and the rear cross beam is connected with the side wall surface of the middle connecting support after passing through a height valve mounting support, the height valve, a height valve adjusting rod and a connecting rod support in sequence, the side wing end of the middle connecting support is connected with the top end of the transverse shock absorber, and the bottom end of the transverse shock. The design has the advantages that the regulation and control effect of the height valve is good, the occupied area is small, the lateral buffering performance is good, and the vibration transmitted from the frame to the cab is easy to attenuate.
Description
Technical field
The utility model relates to a kind of shock attenuation unit for automobile, relates in particular to a kind of air vibration damping automobile cab rear suspension device, is applicable to that specifically decay is delivered to vibration on the operator's compartment from vehicle frame, and strengthens the regulating effect of levelling valve.
Background technology
The automobile cab rear suspension device is a kind of device that operator's compartment and vehicle frame are floated and be connected, and has the better damping function, can decay to be delivered to vibration on the operator's compartment from vehicle frame.Traditional rear suspension device that is used for connecting automobile cab and vehicle frame comprises shock absorber, levelling valve and air bag; Wherein, shock absorber is only installed in vertical direction, side direction generally then adopts rubber-bushed connecting panel or pull bar as the guiding constraint element, this kind arranges and easily causes the cushion characteristic of automobile cab side direction relatively poor, not only can destroy the ride comfort of operator's compartment, damage the healthy of chaufeur, and it is inharmonious to cause moving, and reduces vertical cushion characteristic; In addition, the nearly shock absorber of traditional levelling valve top (being the operator's compartment bottom) arranges, coupled levelling valve adjust bar then is connected with the load bearing seat that is positioned at the levelling valve below, during use, the levelling valve adjust bar passes to levelling valve with the height change of its reflection, make inflation or venting action to change the air bag height by levelling valve again, thereby keep air bag, the normal height of shock absorber, but the height that the levelling valve adjust bar is regulated in the prior art is the operator's compartment bottom, distance between the vehicle frame, distance is bigger, easily prolong the reaction time of height regulating rod, thereby reduce the regulating effect of levelling valve, and cause the volume of height regulating rod bigger, and increased the area occupied of levelling valve assembly, be not easy to install and use.
The Chinese patent Granted publication number is CN201205932Y, and Granted publication day is that the utility model patent on March 11st, 2009 discloses a kind of superimposed trailer gooseneck towing pin assembly that has vibration-damping function, and the load bearing seat front portion is provided with the air bag assembly in this utility model; The load bearing seat front part sides is provided with shock absorber; The load bearing seat middle part is the bump rubber bearing; Bump rubber is arranged on the superimposed trailer gooseneck; Bump rubber is corresponding and gapped with the bump rubber support position; Levelling valve is fixed on the superimposed trailer gooseneck, and height regulating rod is fixed on the load bearing seat; Towing pin is secured on the traction pin plate on the load bearing seat in advance.Though this utility model can be with the impact-attenuating that comes from the road surface in certain limit, it still has following defective:
At first, levelling valve is fixed on the superimposed trailer gooseneck in this utility model, height regulating rod is fixed on the load bearing seat, the distance of height regulating rod reflection is the distance between operator's compartment bottom, the vehicle frame, and distance is bigger, not only influences the reaction time of height regulating rod, easily reduce the regulating effect of levelling valve, and cause the volume of height regulating rod bigger, and increased the area occupied of levelling valve assembly, be not easy to install and use;
Secondly, only be provided with shock absorber in this utility model in the vertical direction, in side direction shock absorber is not set then, this kind design easily causes the cushion characteristic of automobile cab side direction relatively poor, not only can destroy the ride comfort of operator's compartment, damage the healthy of chaufeur, and it is inharmonious to cause moving, and reduces vertical cushion characteristic.
Summary of the invention
The purpose of this utility model is to overcome that the regulating effect of the levelling valve that exists in the prior art is relatively poor, area occupied is big, relatively poor defective and the problem of side direction cushion characteristic, provides a kind of regulating effect of levelling valve better, area occupied is less, side direction cushion characteristic air vibration damping automobile cab rear suspension device preferably.
For realizing above purpose, technical solution of the present utility model is: a kind of air vibration damping automobile cab rear suspension device, comprise air bellow shock absorber and levelling valve, the top of described air bellow shock absorber is connected with the bottom of operator's compartment, the bottom is connected with vehicle frame, and an end of described levelling valve is provided with air bag mouth, source of the gas mouth, and the other end is provided with levelling valve yaw bar, described air bag mouth communicates with air bag, and the source of the gas mouth communicates with source of the gas;
Described rear suspension device also comprises upper bracket assembly, lower bracket assembly and after cross member; The top of described upper bracket assembly is connected with the bottom of operator's compartment, the bottom of upper bracket assembly is connected with the top of air bellow shock absorber, the bottom of this air bellow shock absorber is connected with the middle part of lower bracket assembly, the bottom of lower bracket assembly is connected with vehicle frame, the top of lower bracket assembly is connected with the inwall of after cross member one end, the outer wall of after cross member one end is connected with an end of levelling valve, and the levelling valve yaw bar of the other end setting of levelling valve is connected with the upper bracket assembly by the levelling valve adjust bar.
One end of described levelling valve is connected by the outer wall of levelling valve mounting bracket with after cross member one end, and described levelling valve adjust bar is connected with the upper bracket assembly by connecting rod rack.
Described levelling valve adjust bar comprises connecting rod and ball pivot; The bottom of described connecting rod is connected with levelling valve yaw bar, and the top of connecting rod is connected with an end of ball pivot, and the other end of ball pivot is connected with the upper bracket assembly through connecting rod rack.
The bottom of described connecting rod is hinged mutually by bearing pin and levelling valve yaw bar, and the top of connecting rod is connected with the threaded one end of ball pivot.
Described upper bracket assembly comprise connect support, hydraulic lock with in be connected support, the described top that connects support of going up is connected with the bottom of operator's compartment, the bottom of last connection support is connected with the middle top that is connected support through hydraulic lock, the middle support bottom that connects is connected with the top of air bellow shock absorber, and the side wall surface of middle connection support is connected with the levelling valve adjust bar through connecting rod rack.
Described rear suspension device also comprises lateral damper, and the top of described lateral damper is connected with the middle flank end that is connected support, and the bottom of lateral damper is connected with the middle part of after cross member.
Compared with prior art, the beneficial effects of the utility model are:
1, set up the upper bracket assembly in a kind of air vibration damping of the utility model automobile cab rear suspension device, lower bracket assembly and after cross member, from top to bottom be followed successively by: the bottom of operator's compartment, the upper bracket assembly, the air bellow shock absorber, the lower bracket assembly, vehicle frame, wherein, lower bracket assembly top, the junction of after cross member is connected with levelling valve, the levelling valve adjust bar is connected with the upper bracket assembly, at this moment, the distance of levelling valve adjust bar reflection is upper bracket assembly bottom, distance between the lower bracket assembly top, operator's compartment bottom with the prior art reflection, distance between the vehicle frame is compared, reduce greatly, reaction time not only can be shortened, react more timely, thereby improve regulating effect, and shortened the length of parts, reduced the area occupied of levelling valve assembly, be convenient to install and use.Therefore, the utility model not only regulating effect of levelling valve is better, and area occupied less, be convenient to install and use.
2; also comprise lateral damper in a kind of air vibration damping of the utility model automobile cab rear suspension device; the top of described lateral damper is connected with the middle flank end that is connected support; the bottom of lateral damper is connected with the middle part of after cross member; during use; the lateral damper that increases can significantly reduce the rigidity of structure on the side direction; thereby improve the buffering effect that operator's compartment impacts side direction; not only can eliminate the lateral impact sense; promote the ride comfort of operator's compartment; be conducive to protect the healthy of chaufeur; and can improve the harmony of system motion, can not reduce vertical cushion characteristic.Therefore, the cushion characteristic of the utility model side direction is better.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of levelling valve adjust bar among Fig. 1.
Among the figure: air bellow shock absorber 1, levelling valve 2, levelling valve yaw bar 21, levelling valve adjust bar 22, connecting rod 221, ball pivot 222, levelling valve mounting bracket 23, connecting rod rack 24, upper bracket assembly 3, on connect support 31, hydraulic lock 32, middle connection support 33, flank end 331, side wall surface 332, lower bracket assembly 4, after cross member 5, lateral damper 6.
The specific embodiment
Below in conjunction with description of drawings and the specific embodiment the utility model is described in further detail.
Referring to figure 1 – Fig. 2, a kind of air vibration damping automobile cab rear suspension device, comprise air bellow shock absorber 1 and levelling valve 2, the top of described air bellow shock absorber 1 is connected with the bottom of operator's compartment, the bottom is connected with vehicle frame, and an end of described levelling valve 2 is provided with air bag mouth, source of the gas mouth, and the other end is provided with levelling valve yaw bar 21, described air bag mouth communicates with air bag, and the source of the gas mouth communicates with source of the gas;
Described rear suspension device also comprises upper bracket assembly 3, lower bracket assembly 4 and after cross member 5; The top of described upper bracket assembly 3 is connected with the bottom of operator's compartment, the bottom of upper bracket assembly 3 is connected with the top of air bellow shock absorber 1, the bottom of this air bellow shock absorber 1 is connected with the middle part of lower bracket assembly 4, the bottom of lower bracket assembly 4 is connected with vehicle frame, the top of lower bracket assembly 4 is connected with the inwall of after cross member 5 one ends, the outer wall of after cross member 5 one ends is connected with an end of levelling valve 2, and the levelling valve yaw bar 21 of the other end setting of levelling valve 2 is connected with upper bracket assembly 3 by levelling valve adjust bar 22.
One end of described levelling valve 2 is connected by the outer wall of levelling valve mounting bracket 23 with after cross member 5 one ends, and described levelling valve adjust bar 22 is connected with upper bracket assembly 3 by connecting rod rack 24.
Described levelling valve adjust bar 22 comprises connecting rod 221 and ball pivot 222; The bottom of described connecting rod 221 is connected with levelling valve yaw bar 21, and the top of connecting rod 221 is connected with an end of ball pivot 222, and the other end of ball pivot 222 is connected with upper bracket assembly 3 through connecting rod rack 24.
The bottom of described connecting rod 221 is hinged mutually by bearing pin and levelling valve yaw bar 21, and the top of connecting rod 221 is connected with the threaded one end of ball pivot 222.
Described upper bracket assembly 3 comprise connect support 31, hydraulic lock 32 with in be connected support 33, the described top that connects support 31 of going up is connected with the bottom of operator's compartment, the bottom of last connection support 31 is connected with the middle top that is connected support 33 through hydraulic lock 32, the middle bottom that connects support 33 is connected with the top of air bellow shock absorber 1, and the side wall surface 332 of middle connection support 33 is connected with levelling valve adjust bar 22 through connecting rod rack 24.
Described rear suspension device also comprises lateral damper 6, and the top of described lateral damper 6 is connected with the middle flank end 331 that is connected support 33, and the bottom of lateral damper 6 is connected with the middle part of after cross member 5.
During use, when vehicle was subjected to impacting, the height between operator's compartment and the vehicle frame can change, and this changes directly by 22 reflections of levelling valve adjust bar:
When highly becoming big, levelling valve adjust bar 22 drives levelling valve yaw bars 21 and moves downward, levelling valve 2 action of exitting, and the air bag volume-diminished, thus reduce height between operator's compartment, the vehicle frame;
When highly diminishing, levelling valve adjust bar 22 drives levelling valve yaw bar 21 upward movements, and levelling valve 2 is inflated action, and the air bag volume increases, thereby increases the height between operator's compartment, the vehicle frame.
Among the design since levelling valve adjust bar 22 reflection only be distance between lower bracket assembly 4 tops, upper bracket assembly 3 bottoms, reflection distance than prior art is dwindled greatly, not only be convenient to improve the sensitieness of reaction, strengthen regulating effect, and reduced the length of levelling valve adjust bar 22, reduced the area occupied of levelling valve assembly, greatly reduced and install and the use difficulty.Especially when upper bracket assembly 3 comprise connect support 31, hydraulic lock 32 with in when being connected support 33, levelling valve adjust bar 22 reflection only be distance between lower bracket assembly 4 tops, the side wall surface 332, further dwindled the reflection distance, the regulating effect of levelling valve 2 is stronger.
In addition; the design also comprises lateral damper 6; the top of described lateral damper 6 is connected with the middle flank end 331 that is connected support 33; the bottom of lateral damper 6 is connected with the middle part of after cross member 5; the setting of this lateral damper 6 can significantly reduce the rigidity of structure on the side direction; thereby improve the buffering effect that operator's compartment impacts side direction; not only can eliminate the lateral impact sense; promote the ride comfort of operator's compartment; be conducive to protect the healthy of chaufeur; and can improve the harmony of system motion, can not reduce vertical cushion characteristic.
Therefore the utility model not only regulating effect of levelling valve is better, and area occupied is less, and the cushion characteristic of side direction is better, and easily decay is delivered to vibration on the operator's compartment from vehicle frame.
Claims (6)
1. air vibration damping automobile cab rear suspension device, comprise air bellow shock absorber (1) and levelling valve (2), the top of described air bellow shock absorber (1) is connected with the bottom of operator's compartment, the bottom is connected with vehicle frame, one end of described levelling valve (2) is provided with air bag mouth, source of the gas mouth, and the other end is provided with levelling valve yaw bar (21), and described air bag mouth communicates with air bag, the source of the gas mouth communicates with source of the gas, it is characterized in that:
Described rear suspension device also comprises upper bracket assembly (3), lower bracket assembly (4) and after cross member (5); The top of described upper bracket assembly (3) is connected with the bottom of operator's compartment, the bottom of upper bracket assembly (3) is connected with the top of air bellow shock absorber (1), the bottom of this air bellow shock absorber (1) is connected with the middle part of lower bracket assembly (4), the bottom of lower bracket assembly (4) is connected with vehicle frame, the top of lower bracket assembly (4) is connected with the inwall of after cross member (5) one ends, the outer wall of after cross member (5) one ends is connected with an end of levelling valve (2), and the levelling valve yaw bar (21) that the other end of levelling valve (2) arranges is connected with upper bracket assembly (3) by levelling valve adjust bar (22).
2. a kind of air vibration damping automobile cab rear suspension device according to claim 1, it is characterized in that: an end of described levelling valve (2) is connected by the outer wall of levelling valve mounting bracket (23) with after cross member (5) one ends, and described levelling valve adjust bar (22) is connected with upper bracket assembly (3) by connecting rod rack (24).
3. a kind of air vibration damping automobile cab rear suspension device according to claim 2 is characterized in that: described levelling valve adjust bar (22) comprises connecting rod (221) and ball pivot (222); The bottom of described connecting rod (221) is connected with levelling valve yaw bar (21), and the top of connecting rod (221) is connected with an end of ball pivot (222), and the other end of ball pivot (222) is connected with upper bracket assembly (3) through connecting rod rack (24).
4. a kind of air vibration damping automobile cab rear suspension device according to claim 3, it is characterized in that: the bottom of described connecting rod (221) is hinged mutually by bearing pin and levelling valve yaw bar (21), and the top of connecting rod (221) is connected with the threaded one end of ball pivot (222).
5. a kind of air vibration damping automobile cab rear suspension device according to claim 2, it is characterized in that: described upper bracket assembly (3) comprises connection support (31), hydraulic lock (32) with in be connected support (33), the described top that connects support (31) of going up is connected with the bottom of operator's compartment, the bottom of last connection support (31) is connected with the middle top that is connected support (33) through hydraulic lock (32), the middle bottom that connects support (33) is connected with the top of air bellow shock absorber (1), and the side wall surface (332) of middle connection support (33) is connected with levelling valve adjust bar (22) through connecting rod rack (24).
6. a kind of air vibration damping automobile cab rear suspension device according to claim 5, it is characterized in that: described rear suspension device also comprises lateral damper (6), the top of described lateral damper (6) is connected with the middle flank end (331) that is connected support (33), and the bottom of lateral damper (6) is connected with the middle part of after cross member (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220709642 CN203047405U (en) | 2012-12-20 | 2012-12-20 | Air damping automobile cab rear suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220709642 CN203047405U (en) | 2012-12-20 | 2012-12-20 | Air damping automobile cab rear suspension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203047405U true CN203047405U (en) | 2013-07-10 |
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ID=48730389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220709642 Expired - Lifetime CN203047405U (en) | 2012-12-20 | 2012-12-20 | Air damping automobile cab rear suspension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203047405U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105667608A (en) * | 2016-01-05 | 2016-06-15 | 武汉理工大学 | Two-way damping type cab rear suspension device |
| CN106740956A (en) * | 2016-12-15 | 2017-05-31 | 中车长春轨道客车股份有限公司 | The single rail bogie central mounting device of sleeper beam is contacted with aluminium alloy |
| CN107499396A (en) * | 2017-08-30 | 2017-12-22 | 东风商用车有限公司 | A kind of rear-suspending suspension beam assembly |
| CN107499397A (en) * | 2017-08-30 | 2017-12-22 | 东风商用车有限公司 | One kind can reset rear-suspending system |
| CN107571923A (en) * | 2017-08-30 | 2018-01-12 | 东风商用车有限公司 | Lower carriage assembly is used in a kind of car suspension |
| CN114701576A (en) * | 2022-04-02 | 2022-07-05 | 中国重汽集团济南动力有限公司 | Cab rear suspension air spring vibration damper |
-
2012
- 2012-12-20 CN CN 201220709642 patent/CN203047405U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105667608A (en) * | 2016-01-05 | 2016-06-15 | 武汉理工大学 | Two-way damping type cab rear suspension device |
| CN106740956A (en) * | 2016-12-15 | 2017-05-31 | 中车长春轨道客车股份有限公司 | The single rail bogie central mounting device of sleeper beam is contacted with aluminium alloy |
| CN107499396A (en) * | 2017-08-30 | 2017-12-22 | 东风商用车有限公司 | A kind of rear-suspending suspension beam assembly |
| CN107499397A (en) * | 2017-08-30 | 2017-12-22 | 东风商用车有限公司 | One kind can reset rear-suspending system |
| CN107571923A (en) * | 2017-08-30 | 2018-01-12 | 东风商用车有限公司 | Lower carriage assembly is used in a kind of car suspension |
| CN107571923B (en) * | 2017-08-30 | 2023-05-30 | 东风商用车有限公司 | Lower support assembly for vehicle suspension |
| CN107499397B (en) * | 2017-08-30 | 2023-10-20 | 东风商用车有限公司 | Resettable rear suspension system |
| CN114701576A (en) * | 2022-04-02 | 2022-07-05 | 中国重汽集团济南动力有限公司 | Cab rear suspension air spring vibration damper |
| CN114701576B (en) * | 2022-04-02 | 2023-10-27 | 中国重汽集团济南动力有限公司 | Rear suspension air spring vibration damper for cab |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGFENG COMMERCIAL VEHICLE CO., LTD. Free format text: FORMER OWNER: DONGFENG AUTOMOBILE CO., LTD. Effective date: 20130922 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430056 WUHAN, HUBEI PROVINCE TO: 442001 SHIYAN, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130922 Address after: 442001 Shiyan City, Hubei province city Zhangwan District Road No. 2 Patentee after: DONGFENG TRUCKS Co.,Ltd. Address before: 430056 Dongfeng Road, Wuhan Economic Development Zone, Hanyang District, Hubei, China, No. 10, No. Patentee before: DONGFENG MOTER Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |