CN108909391B - Main and auxiliary spring structure and suspension - Google Patents
Main and auxiliary spring structure and suspension Download PDFInfo
- Publication number
- CN108909391B CN108909391B CN201810664074.3A CN201810664074A CN108909391B CN 108909391 B CN108909391 B CN 108909391B CN 201810664074 A CN201810664074 A CN 201810664074A CN 108909391 B CN108909391 B CN 108909391B
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- spring
- main
- auxiliary
- auxiliary spring
- leaf spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/02—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
- B60G11/08—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only arranged substantially transverse to the longitudinal axis of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/02—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
- B60G11/10—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
- B60G11/113—Mountings on the axle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/11—Leaf spring
- B60G2202/114—Leaf spring transversally arranged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/121—Mounting of leaf springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention provides a main and auxiliary spring structure and a suspension, which relate to the technical field of suspension manufacturing, wherein the main and auxiliary spring structure comprises: wheel hub stand and horizontal leaf spring, be provided with elastic leaf spring mount pad on the wheel hub stand, pass through leaf spring middle part fixing base and connected with the frame in the middle of the horizontal leaf spring, the horizontal leaf spring tip passes through leaf spring tip fixing base and is connected with the leaf spring mount pad, be provided with vice spring on the frame, vice spring can with the contact of leaf spring mount pad. The main and auxiliary spring structure provided by the invention can reduce the height of the whole vehicle through the transverse plate spring and the auxiliary spring, and has the advantages of light weight of the vehicle, simple structure and the like, and the occupied suspension space is smaller than that of a single plate spring due to the adoption of the main and auxiliary spring structure.
Description
Technical Field
The invention relates to the technical field of suspension manufacturing, in particular to a main spring structure and an auxiliary spring structure and a suspension.
Background
The traditional commercial vehicle mainly adopts a longitudinally-arranged main and auxiliary leaf spring structure of a leaf spring, the main and auxiliary leaf springs adopt the leaf spring, and the latest technology adopts a composite material leaf spring. The quantity of traditional commercial car major-minor spring board reed is more, and a large amount of steel material leads to with high costs, and the space that the steel sheet occupy is big, the quality is heavier.
As the rear axle of most commercial vehicles is a drive axle, particularly a disconnected central electric drive axle and a transmission shaft in the latest technology, the rear axle has larger mass difference between no-load and full-load, so that the transverse space and the vertical space of a chassis of the drive axle are larger, and the comfort is not good. The conventional commercial vehicle adopts a plurality of plate springs, occupies larger suspension space and has larger whole vehicle weight.
The existing commercial vehicle adopts a plurality of plate springs, occupies larger suspension space and has the defect of larger weight of the whole vehicle.
Disclosure of Invention
The invention aims to provide a main spring structure and an auxiliary spring structure, which are used for solving the technical problems that the existing commercial vehicle adopts a plurality of plate springs, the occupied suspension space is large, and the weight of the whole vehicle is large.
It is another object of the present invention to provide a suspension including the main and auxiliary spring structures provided above.
In order to solve the technical problems, the invention adopts the following technical scheme; the invention provides a main and auxiliary spring structure, which comprises: wheel hub stand and horizontal leaf spring, be provided with elastic leaf spring mount pad on the wheel hub stand, pass through leaf spring middle part fixing base and connected with the frame in the middle of the horizontal leaf spring, the horizontal leaf spring tip passes through leaf spring tip fixing base and is connected with the leaf spring mount pad, be provided with vice spring on the frame, vice spring can with the contact of leaf spring mount pad.
The end part of the transverse plate spring in the main and auxiliary spring structure is connected with the plate spring mounting seat through the plate spring end part fixing seat, the auxiliary spring is arranged on the frame, the height of the whole vehicle can be reduced through the transverse plate spring and the auxiliary spring, the main and auxiliary spring structure is adopted, the occupied suspension space is smaller than that of a single plate spring, and the main and auxiliary spring structure has the advantages of light weight of the vehicle, simple structure and the like.
In any one of the above aspects, the auxiliary spring may be obliquely applied to the plate spring mounting seat. So that the reserved suspension space is larger.
In any of the above technical solutions, further, an angle between the auxiliary spring and the plate spring mounting seat is not greater than 45 °. Preferably, the angle of the secondary spring to the leaf spring mount is 30 °.
In any one of the above technical solutions, further, the plate spring mounting seat includes a bottom plate and a main body, the plate spring end fixing seat is connected to the bottom plate, the main body is provided with an inclined surface, and the auxiliary spring acts on the inclined surface.
In any of the above technical solutions, further, the leaf spring end fixing seat is fixed on the leaf spring mounting seat through a U-shaped bolt.
In any of the above technical solutions, further, a non-metallic spacer is disposed between the leaf spring mounting seat at the end of the leaf spring and the transverse leaf spring.
And a non-metal cushion block is arranged between the transverse plate spring and the plate spring mounting seat.
In any one of the above technical solutions, further, the auxiliary spring is disposed on the frame by a bolt.
In any of the above technical solutions, further, the hub pillar is provided with an upper arm spherical hinge hole and a lower arm spherical hinge hole, respectively.
In any of the above technical solutions, further, the plate spring mounting seat is disposed corresponding to the upper arm ball hinge hole.
The suspension provided by the second aspect of the present invention is provided with the main and auxiliary spring structures provided by the first aspect, so that all the beneficial effects of the main and auxiliary spring structures provided by the first aspect are achieved, and details are not repeated herein.
In the main and auxiliary spring structure provided by the invention, the main spring is a transverse plate spring, the rigidity characteristic curve of the auxiliary spring comprises the rigidity characteristic of the auxiliary spring and the rigidity characteristic of the limiting block, and the transverse plate spring is arranged above the rear axle, so that the arrangement of a driving half axle is facilitated. The middle part of the transverse plate spring is fixed with the frame through a plate spring middle fixing seat, and two ends of the transverse plate spring are supported on the plate spring end fixing seats of the hub upright post; the auxiliary spring is obliquely arranged, one end of the auxiliary spring is used for fixing the frame, and the other end of the auxiliary spring acts on the plate spring supporting plate, so that the height of the whole vehicle is reduced.
By adopting the technical scheme, the invention has the following beneficial effects:
the end part of the transverse plate spring in the main and auxiliary spring structure is connected with the plate spring mounting seat through the plate spring end part fixing seat, the auxiliary spring is arranged on the frame, the height of the whole vehicle can be reduced through the transverse plate spring and the auxiliary spring, the main and auxiliary spring structure is adopted, the occupied suspension space is smaller than that of a single plate spring, and the main and auxiliary spring structure has the advantages of light weight of the vehicle, simple structure and the like.
Further, the auxiliary spring acts obliquely on the leaf spring mount.
Further, the plate spring mounting seat comprises a bottom plate and a main body, the plate spring end fixing seat is connected with the bottom plate, an inclined surface is arranged on the main body, and the auxiliary spring acts on the inclined surface.
Further, the leaf spring end fixing seat is fixed on the leaf spring mounting seat through a U-shaped bolt.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic overall structure diagram of a main spring structure and an auxiliary spring structure according to an embodiment of the present invention;
fig. 2 is a partial exploded view of a main spring structure and an auxiliary spring structure according to an embodiment of the present invention.
Reference numerals:
1: a hub upright post; 2: a U-shaped bolt; 3: a plate spring support plate;
4: an auxiliary spring; 5: a fixed seat at the end part of the plate spring; 6: a plate spring middle fixing seat;
7: a transverse plate spring; 8: a plate spring mounting seat; 9: a non-metallic spacer block;
10: the upper arm is spherical and reamed.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be further explained with reference to specific embodiments.
Example one
Fig. 1 is a schematic overall structure diagram of a main spring structure and an auxiliary spring structure according to an embodiment of the present invention;
fig. 2 is a partial exploded view of a main spring structure and an auxiliary spring structure according to an embodiment of the present invention.
As shown in fig. 1 and 2, an embodiment of the first aspect of the present invention provides a main-auxiliary spring structure, including: wheel hub stand 1 and horizontal leaf spring 7, be provided with elastic leaf spring mount pad 8 on the wheel hub stand 1, pass through leaf spring middle part fixing base 6 and connected to the frame in the middle of the horizontal leaf spring 7, 7 tip of horizontal leaf spring pass through leaf spring tip fixing base 5 and are connected with leaf spring mount pad 8, be provided with vice spring 4 on the leaf spring mount pad 8, vice spring 4 with connected to the frame.
The plate spring mounting seat 8 is made of rubber or polyurethane, and the auxiliary spring 4 is also made of rubber or polyurethane.
The end part of a transverse plate spring 7 in the main and auxiliary spring structure is connected with a plate spring mounting seat 8 through a plate spring end part fixing seat 5, the auxiliary spring 4 is arranged on the frame, the height of the whole vehicle can be reduced through the transverse plate spring 7 and the auxiliary spring 4, the main and auxiliary spring structure is adopted, the occupied suspension space is smaller than that of a single plate spring, and the main and auxiliary spring structure has the advantages of light weight of the vehicle, simple structure and the like.
The single-plate transverse plate spring 7 is small in size, the structural size of the auxiliary spring 4 made of rubber is the same as that of a traditional suspension limiting block, extra space is not occupied, and the suspension space and the whole vehicle weight are reduced due to the single-plate transverse plate spring 7 and the auxiliary spring 4. The material of the transverse plate spring 7 can be steel or a composite material, and the composite material is a mixture of epoxy resin and glass fiber.
The transverse plate spring 7 is matched with the auxiliary spring 4 of rubber to replace thirty-four plate springs in the traditional multi-plate spring main and auxiliary spring rear suspension, or nearly ten plate springs in the few main and auxiliary spring rear suspension, so that the volume is small, and the weight is less than one tenth of the original weight. The arrangement is particularly suitable for independent suspension rear suspension.
The auxiliary spring 4 is of a hollow structure, is small in load and compression stroke, is small in rigidity, and is in an auxiliary spring action stage to provide an elastic element function. When the load is large and the compression stroke is large, the rigidity of the auxiliary spring 4 is large, and the auxiliary spring is in the action stage of the limiting block and provides a buffering and limiting function. An auxiliary spring 4 is arranged between the frame and the suspension, the size of the auxiliary spring is equivalent to that of a traditional buffer block, the auxiliary spring 4 is of a buffer block structure, and the front section of the rigidity curve of the auxiliary spring 4 of rubber is matched with the rigidity curve of the traditional auxiliary spring 4; after the suspension is compressed for a certain stroke, the rigidity curve of the rear end is matched with the rigidity curve of the traditional suspension limiting block, and the function of the main and auxiliary spring rear suspension is realized.
In any of the above solutions, further, the auxiliary spring 4 acts on the plate spring mounting seat 8 in an inclined contact manner. So that the reserved suspension space is larger.
In any of the above technical solutions, further, an angle between the auxiliary spring 4 and the plate spring mounting seat 8 is not greater than 45 °. Preferably, the angle of the auxiliary spring 4 to the leaf spring mounting 8 is 30 °.
In any of the above technical solutions, further, the plate spring mounting seat 8 includes a bottom plate and a main body, the plate spring end fixing seat 5 is connected to the bottom plate, an inclined surface is provided on the main body, and the auxiliary spring 4 acts on the inclined surface.
In any of the above technical solutions, further, the plate spring end fixing seat 5 is fixed on the plate spring mounting seat 8 through a U-shaped bolt 2. The U-shaped bolt 2 is adopted to provide larger longitudinal space for arrangement of the whole chassis.
In any of the above technical solutions, further, a non-metal cushion block 9 is disposed between the plate spring end portion plate spring mounting seat 8 and the transverse plate spring 7. And a nonmetal cushion block 9 is arranged between the transverse plate spring 7 and the plate spring mounting seat 8.
And nonmetal cushion blocks 9 are arranged between the transverse plate spring 7 and the frame and between the transverse plate spring and the plate spring middle fixing seat 6. The plate spring middle fixing seat 6 can be fixed on the frame through the U-shaped bolt 2, and the U-shaped bolt 2 is adopted to provide a larger longitudinal space for the arrangement of the whole vehicle chassis.
In any of the above technical solutions, further, the auxiliary spring 4 is disposed on the frame by a bolt.
The suspension provided by the second aspect of the present invention is provided with the main and auxiliary spring structures provided by the first aspect, so that all the beneficial effects of the main and auxiliary spring structures provided by the first aspect are achieved, and details are not repeated herein.
Example two
In any of the above technical solutions, further, the hub pillar 1 is provided with an upper arm spherical hinge hole 10 and a lower arm spherical hinge hole respectively.
In any of the above technical solutions, further, the plate spring mounting seat 8 is disposed corresponding to the upper arm ball-and-socket joint hole 10. The plate spring mounting seat 8 is arranged at a position close to the spherical hinge hole of the upper cross arm. The rest of the embodiments are the same as those of the first embodiment, and are not described herein again.
In the main and auxiliary spring structure provided by the invention, the main spring is a transverse plate spring 7, the rigidity characteristic curve of the auxiliary spring 4 comprises the rigidity characteristic of the auxiliary spring and the rigidity characteristic of a limiting block, and the transverse plate spring 7 is arranged above a rear axle, so that a driving half axle is favorably arranged. The middle part of a transverse plate spring 7 is fixed with the frame through a plate spring middle fixing seat 6, and two ends of the transverse plate spring 7 are supported on a plate spring end fixing seat 5 of the hub upright post 1; the auxiliary spring 4 is obliquely arranged, one end of the auxiliary spring is fixed on the frame, and the other end of the auxiliary spring acts on the plate spring supporting plate 3, so that the height of the whole vehicle is reduced.
In conclusion, the end part of the transverse plate spring 7 in the main and auxiliary spring structure provided by the invention is connected with the plate spring mounting seat 8 through the plate spring end fixing seat 5, the auxiliary spring 4 is arranged on the frame, the height of the whole vehicle can be reduced through the transverse plate spring 7 and the auxiliary spring 4, the main and auxiliary spring structure is adopted, the occupied suspension space is smaller than that of a single plate spring, and the main and auxiliary spring structure has the advantages of light weight of the vehicle, simple structure and the like.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention. Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Claims (8)
1. A main and auxiliary spring structure, comprising: the wheel hub vertical column is provided with an elastic plate spring mounting seat, the middle of the transverse plate spring is connected with the frame through a plate spring middle fixing seat, the end part of the transverse plate spring is connected with the plate spring mounting seat through a plate spring end fixing seat, and the frame is provided with an auxiliary spring which can be in contact with the plate spring mounting seat;
the auxiliary spring obliquely acts on the plate spring mounting seat, is made of rubber or polyurethane, is of a hollow structure and can be in an auxiliary spring action stage and a limiting block action stage;
the plate spring mounting seat comprises a bottom plate and a main body, wherein the fixed seat at the end part of the plate spring is connected with the bottom plate, an inclined plane is arranged on the main body, and the auxiliary spring acts on the inclined plane.
2. The primary and secondary spring structure of claim 1, wherein the secondary spring is at an angle of no more than 45 ° to the leaf spring mount.
3. The main and auxiliary spring structure of claim 1, wherein said leaf spring end mounts are secured to the leaf spring mounts by U-bolts.
4. The main and auxiliary spring structure of claim 3, wherein a non-metallic spacer is disposed between said leaf spring end leaf spring mount and said transverse leaf spring.
5. The main and auxiliary spring structure of claim 1, wherein the auxiliary spring is bolted to the vehicle frame.
6. The main and auxiliary spring structure of claim 1, wherein said hub pillar is provided with an upper arm ball-and-socket and a lower arm ball-and-socket respectively.
7. The main and auxiliary spring structure of claim 6, wherein said leaf spring mount is disposed in correspondence with said upper arm ball-reaming opening.
8. A suspension comprising a main and auxiliary spring structure according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810664074.3A CN108909391B (en) | 2018-06-25 | 2018-06-25 | Main and auxiliary spring structure and suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810664074.3A CN108909391B (en) | 2018-06-25 | 2018-06-25 | Main and auxiliary spring structure and suspension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108909391A CN108909391A (en) | 2018-11-30 |
| CN108909391B true CN108909391B (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810664074.3A Active CN108909391B (en) | 2018-06-25 | 2018-06-25 | Main and auxiliary spring structure and suspension |
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| Country | Link |
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| CN (1) | CN108909391B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161012B (en) * | 2020-08-21 | 2021-09-17 | 东风汽车底盘系统有限公司 | Composite plate spring with hollow structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3157395A (en) * | 1961-12-07 | 1964-11-17 | Ford Motor Co | Vehicle suspension construction |
| CN203142333U (en) * | 2013-01-24 | 2013-08-21 | 中国第一汽车股份有限公司 | Rubber auxiliary spring composite rear suspension system |
| CN104002632A (en) * | 2014-06-10 | 2014-08-27 | 安徽江淮汽车股份有限公司 | Vehicle and plate spring suspension assembly thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02102814A (en) * | 1988-10-11 | 1990-04-16 | Mazda Motor Corp | Stabilizer |
| CN201287599Y (en) * | 2008-09-26 | 2009-08-12 | 柳州五菱汽车工业有限公司 | Transverse band spring independent suspension steering bridge of automotive vehicle |
| DE102010031054A1 (en) * | 2010-07-07 | 2012-01-12 | Bayerische Motoren Werke Aktiengesellschaft | Dämpferbein-Achse of the single-jaw-type |
| CN203995534U (en) * | 2014-08-13 | 2014-12-10 | 辽宁曙光汽车集团股份有限公司 | The independent front suspension of horizontal non-metal leaf spring |
| CN206141257U (en) * | 2016-10-31 | 2017-05-03 | 北京宏瑞汽车科技股份有限公司 | Independent suspended structure of transverse leaf spring formula |
| CN106585312A (en) * | 2016-11-02 | 2017-04-26 | 北京宏瑞汽车科技股份有限公司 | Transverse plate spring type independent suspension structure |
-
2018
- 2018-06-25 CN CN201810664074.3A patent/CN108909391B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3157395A (en) * | 1961-12-07 | 1964-11-17 | Ford Motor Co | Vehicle suspension construction |
| CN203142333U (en) * | 2013-01-24 | 2013-08-21 | 中国第一汽车股份有限公司 | Rubber auxiliary spring composite rear suspension system |
| CN104002632A (en) * | 2014-06-10 | 2014-08-27 | 安徽江淮汽车股份有限公司 | Vehicle and plate spring suspension assembly thereof |
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| Publication number | Publication date |
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| CN108909391A (en) | 2018-11-30 |
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