CN204506394U - The two rear-axle balance suspension assembly of a kind of root van - Google Patents
The two rear-axle balance suspension assembly of a kind of root van Download PDFInfo
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- CN204506394U CN204506394U CN201520071878.4U CN201520071878U CN204506394U CN 204506394 U CN204506394 U CN 204506394U CN 201520071878 U CN201520071878 U CN 201520071878U CN 204506394 U CN204506394 U CN 204506394U
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Abstract
The utility model provides the technical scheme of the two rear-axle balance suspension assembly of a kind of root van, the program comprises middle axle assembly, back axle assembly and balance axle bed, described balance axle bed is fixed with variation rigidity steel spring by " U " type bolt, this variation rigidity steel spring comprises one group of main spring and one group of auxiliary spring, described auxiliary spring is fixed on directly over described main spring, the two ends of described main spring lay respectively in the limiting slide seat of middle axle assembly and the limiting slide seat of back axle assembly, the length of described auxiliary spring is less than the length of described main spring, the two ends of described auxiliary spring respectively with the limiting slide seat of middle axle assembly, certain distance is had between the limiting slide seat of back axle assembly.Main spring and auxiliary spring two groups of leaf springs are superimposed by the program, when car load is less than certain design load, auxiliary spring does not contact with main spring, when car load is increased to certain specific load, auxiliary spring starts to contact with main spring, and actv. solves the problem of linear single rigidity leaf spring ride comfort, traveling comfort difference.
Description
Technical field
The utility model relates to the two rear-axle balance suspension assembly of a kind of root van.
Background technology
Along with the raising of China's expanding economy and living standards of the people, the automobile of load-carrying goods carrying vehicle and special purpose is had higher requirement to ride comfort, traveling comfort, the existing pair of many employing of rear-axle balance suspension elastic element linearly waits stiffness steel plate spring, the ride comfort of this type of leaf spring under different loads operating mode, traveling comfort difference are comparatively large, and the ride comfort especially under the operating modes such as zero load, semi-load, traveling comfort are poor.This is the weak point existing for prior art.
Summary of the invention
Technical problem to be solved in the utility model, be exactly for the deficiency existing for prior art, and the technical scheme of the two rear-axle balance suspension assembly of a kind of root van is provided, main spring and auxiliary spring two groups of leaf springs are superimposed by the program, when car load is less than certain design load, auxiliary spring does not contact with main spring, when car load is increased to certain specific load, auxiliary spring starts to contact with main spring, and actv. solves the problem of linear single rigidity leaf spring ride comfort, traveling comfort difference.
This programme is achieved by the following technical measures: the two rear-axle balance suspension assembly of a kind of root van, it is characterized in that: comprise middle axle assembly, back axle assembly and balance axle bed, the lower end of described middle axle assembly, the lower end of back axle assembly is connected by lower thrust rod with the lower end of balance axle bed respectively, described balance axle bed is fixed with variation rigidity steel spring by " U " type bolt, this variation rigidity steel spring comprises one group of main spring and one group of auxiliary spring, described auxiliary spring is fixed on directly over described main spring, the two ends of described main spring lay respectively in the limiting slide seat of middle axle assembly and the limiting slide seat of back axle assembly, the length of described auxiliary spring is less than the length of described main spring, the two ends of described auxiliary spring respectively with the limiting slide seat of middle axle assembly, certain distance is had between the limiting slide seat of back axle assembly.
Further improvement of the utility model also has, and is provided with panel spring hold-down plate between described auxiliary spring and " U " type bolt.
Further improvement of the utility model also has, and be fixed by bolt between described main spring and auxiliary spring, this bolt is positioned at the central authorities of main spring and auxiliary spring.
Further improvement of the utility model also has, and described " U " type bolt has two.
Further improvement of the utility model also has, and described main spring has three at least, and described auxiliary spring has two panels at least.
Further improvement of the utility model also has, and described main spring has three, and described auxiliary spring has two panels.
The beneficial effect of this programme can be learnt according to describing of such scheme, auxiliary spring is the unloaded or main spring contact of manned (being less than certain design load) Shi Buyu at vehicle, now the rigidity of balance suspension is the rigidity of main spring, when car load is increased to certain design load (being fully loaded with), auxiliary spring starts to contact with main spring, now, the rigidity of balance suspension is the rigidity sum of main spring and auxiliary spring, main spring and auxiliary spring carry jointly, and actv. solves in prior art the problem of ride comfort under the operating mode being suspended in different loads, traveling comfort difference.
As can be seen here, the utility model compared with prior art, has substantive distinguishing features and progress, and its beneficial effect implemented also is apparent.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model detailed description of the invention.
Fig. 2 is the structural representation of variation rigidity steel spring of the present utility model when vehicle is unloaded.
Fig. 3 is the structural representation of variation rigidity steel spring of the present utility model at vehicle at full load.
In figure, 1 is vehicle frame, and 2 is variation rigidity steel spring, and 2-1 is auxiliary spring, and 2-2 is main spring, and 3 is " U " type bolt, and 4 is panel spring hold-down plate, and 5 is balance axle bed, and 6 is middle axle assembly, and 7 is back axle assembly, and 8 is lower thrust rod, and 9 is bolt.
Detailed description of the invention
For the technical characterstic of this programme can be clearly demonstrated, below by a detailed description of the invention, and in conjunction with its accompanying drawing, this programme is set forth.
Can be found out by accompanying drawing, the two rear-axle balance suspension assembly of a kind of root van, comprise middle axle assembly 6, back axle assembly 7 and balance axle bed 5, the lower end of described middle axle assembly 6, the lower end of back axle assembly 7 are connected by lower thrust rod 8 with the lower end of balance axle bed 5 respectively, and lower thrust rod 8 and upper thrust rod (not shown in FIG.) form four-bar linkage.
By two on described balance axle bed 5 " U " type bolt 3 is fixed with variation rigidity steel spring 2, this variation rigidity steel spring 2 comprises one group of main spring 2-2 and group auxiliary spring 2-1, described auxiliary spring 2-1 is fixed on directly over described main spring 2-2, the two ends of described main spring 2-2 lay respectively in the limiting slide seat of middle axle assembly 6 and the limiting slide seat of back axle assembly 7, the length of described auxiliary spring 2-1 is less than the length of described main spring 2-2, the two ends of described auxiliary spring 2-1 respectively and the limiting slide seat of middle axle assembly 6, back axle assembly 7 limiting slide seat between have certain distance.Described auxiliary spring 2-1 and " U " be provided with panel spring hold-down plate 4 between type bolt 3.Be fixed by bolt 9 between described main spring 2-2 and auxiliary spring 2-1, this bolt 9 is positioned at the central authorities of main spring 2-2 and auxiliary spring 2-1.Described main spring 2-2 has three at least, and described auxiliary spring 2-1 has two panels at least, has three main spring 2-2 and two panels auxiliary spring 2-1 in the utility model.
As shown in Figure 2, auxiliary spring 2-1 contacts in vehicle zero load or the main spring 2-2 of manned (being less than certain design load) Shi Buyu, now the rigidity of balance suspension is the rigidity of main spring 2-2, as shown in Figure 3, when car load is increased to certain design load (being fully loaded with), auxiliary spring 2-1 starts to contact with main spring 2-2, now, the rigidity of balance suspension is the rigidity sum of main spring 2-2 and auxiliary spring 2-1, and main spring 2-2 and auxiliary spring 2-1 carries jointly.The utility model all has suitable suspension offset frequency at main spring 2-2 independent role and major and minor spring 2-1 combined action, and the program effectively can solve the problem of linear single rigidity leaf spring ride comfort, traveling comfort difference.
During installation, first middle axle assembly 6 and back axle assembly 7 are placed on desired location, then by the limiting slide seat of axle assembly 6 in the main spring 2-2 two ends insertion of variation rigidity steel spring 2 and the limiting slide seat of back axle assembly 7, with " U-shaped " bolt 3 and panel spring hold-down plate 4, variation rigidity steel spring 2 is fixed on balance axle bed 5, finally installs propelling rod (not shown in FIG.) and lower thrust rod 8.
By reference to the accompanying drawings the detailed description of the invention of utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (6)
1. the two rear-axle balance suspension assembly of root van, it is characterized in that: comprise middle axle assembly, back axle assembly and balance axle bed, the lower end of described middle axle assembly, the lower end of back axle assembly is connected by lower thrust rod with the lower end of balance axle bed respectively, it is characterized in that: described balance axle bed is fixed with variation rigidity steel spring by " U " type bolt, this variation rigidity steel spring comprises one group of main spring and one group of auxiliary spring, described auxiliary spring is fixed on directly over described main spring, the two ends of described main spring lay respectively in the limiting slide seat of middle axle assembly and the limiting slide seat of back axle assembly, the length of described auxiliary spring is less than the length of described main spring.
2. the two rear-axle balance suspension assembly of root van according to claim 1, is characterized in that: be provided with panel spring hold-down plate between described auxiliary spring and " U " type bolt.
3. the two rear-axle balance suspension assembly of root van according to claim 1 and 2, is characterized in that: be fixed by bolt between described main spring and auxiliary spring, this bolt is positioned at the central authorities of main spring and auxiliary spring.
4. the two rear-axle balance suspension assembly of root van according to claim 1, is characterized in that: described " U " type bolt has two.
5. the two rear-axle balance suspension assembly of root van according to claim 1, is characterized in that: described main spring has three at least, and described auxiliary spring has two panels at least.
6. the two rear-axle balance suspension assembly of root van according to claim 5, is characterized in that: described main spring has three, and described auxiliary spring has two panels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520071878.4U CN204506394U (en) | 2015-02-02 | 2015-02-02 | The two rear-axle balance suspension assembly of a kind of root van |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520071878.4U CN204506394U (en) | 2015-02-02 | 2015-02-02 | The two rear-axle balance suspension assembly of a kind of root van |
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| Publication Number | Publication Date |
|---|---|
| CN204506394U true CN204506394U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520071878.4U Active CN204506394U (en) | 2015-02-02 | 2015-02-02 | The two rear-axle balance suspension assembly of a kind of root van |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321700A (en) * | 2016-11-18 | 2017-01-11 | 中国重汽集团济南动力有限公司 | Hanging elastic element for heavy all-wheel drive off-road vehicle and design method of element |
| CN106777790A (en) * | 2017-01-12 | 2017-05-31 | 山东理工大学 | The simulation calculation method of the non-offset frequency formula progressive rate rigidity of plate spring characteristic of the main spring formula of two-stage |
| CN106777796A (en) * | 2017-01-12 | 2017-05-31 | 山东理工大学 | The matching process of vehicle suspension high intensity three-level gradual change leaf spring rigidity at different levels and contact load |
| CN113997740A (en) * | 2021-10-12 | 2022-02-01 | 中国重汽集团济南动力有限公司 | Multistage variable-rigidity balanced suspension |
-
2015
- 2015-02-02 CN CN201520071878.4U patent/CN204506394U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321700A (en) * | 2016-11-18 | 2017-01-11 | 中国重汽集团济南动力有限公司 | Hanging elastic element for heavy all-wheel drive off-road vehicle and design method of element |
| CN106321700B (en) * | 2016-11-18 | 2018-05-01 | 中国重汽集团济南动力有限公司 | A kind of heavy full design method for driving offroad vehicle suspension spring |
| CN106777790A (en) * | 2017-01-12 | 2017-05-31 | 山东理工大学 | The simulation calculation method of the non-offset frequency formula progressive rate rigidity of plate spring characteristic of the main spring formula of two-stage |
| CN106777796A (en) * | 2017-01-12 | 2017-05-31 | 山东理工大学 | The matching process of vehicle suspension high intensity three-level gradual change leaf spring rigidity at different levels and contact load |
| CN106777796B (en) * | 2017-01-12 | 2019-09-03 | 山东理工大学 | The matching process of vehicle suspension three-level gradual change leaf spring rigidity and contact load at different levels |
| CN113997740A (en) * | 2021-10-12 | 2022-02-01 | 中国重汽集团济南动力有限公司 | Multistage variable-rigidity balanced suspension |
| CN113997740B (en) * | 2021-10-12 | 2024-01-23 | 中国重汽集团济南动力有限公司 | Multistage rigidity-variable balance suspension |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230420 Address after: No. 583, Jiyan Road, Huaiyin District, Jinan City, Shandong Province, 250000 Patentee after: China National Heavy Duty Truck Group Ji'nan Special Vehicle Co.,Ltd. Address before: 250002, hero mountain road, Shizhong District, Shandong, Ji'nan 165 Patentee before: China National Heavy Duty Truck Group Jinan Power Co.,Ltd. |