CN115848548B - ISD multi-layer suspension supporting device for half vehicle - Google Patents
ISD multi-layer suspension supporting device for half vehicle Download PDFInfo
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- CN115848548B CN115848548B CN202211459208.0A CN202211459208A CN115848548B CN 115848548 B CN115848548 B CN 115848548B CN 202211459208 A CN202211459208 A CN 202211459208A CN 115848548 B CN115848548 B CN 115848548B
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- 239000000725 suspension Substances 0.000 title claims abstract description 42
- 238000013016 damping Methods 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 75
- 230000003287 optical effect Effects 0.000 claims description 50
- 239000010410 layer Substances 0.000 description 20
- 238000010586 diagram Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 239000002355 dual-layer Substances 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Abstract
The invention discloses an ISD multi-layer suspension supporting device for one half of a vehicle, which comprises a rotation supporting part and a translation supporting part; the rotation support part is connected with the vehicle body of the 1/2 vehicle and the translational support part and is used for realizing vibration transmission on the translational support part and providing the rotational freedom degree of the translational support part; the translational support portion is used for mounting springs, damping, inertial containers and providing translational degrees of freedom. The invention realizes that the ISD multi-layer suspension is applied to the 1/2 vehicle by skillfully designing the rotation support part and the translation support part, reserves the translation freedom degree of the ISD suspension, and reserves the rotation freedom degree of the 1/2 vehicle on the vibration reduction system. The supporting device fully uses the vibration damping characteristic of the ISD suspension, and is not interfered by the rotation freedom degree. The novel structure is suitable for any 1/2 vehicle, provides a new direction for the application of the ISD multi-layer suspension, is simple to install, reliable in principle and low in cost, and improves the vibration reduction performance of the 1/2 vehicle suspension.
Description
Technical Field
The invention relates to an ISD multi-layer suspension supporting device for one half vehicle, belonging to the field of suspension supporting.
Background
For any 1/2 vehicle model, in order to achieve the purpose of vibration reduction when the vehicle body is subjected to vibration from the ground, a vibration reduction structure needs to be installed at a position with larger vibration amplitude in the system. In the field of vibration damping of 1/2 vehicles, commonly installed vibration damping elements only comprise springs and damping, and rotational freedom degree existing in vibration damping caused by a vehicle body horizontal beam and a vehicle body inclined beam of the 1/2 vehicle in the vehicle body movement process is ignored. Based on the excellent vibration damping performance of the inertial container, an ISD suspension system consisting of the inertial container, a spring and damping is applied to various working conditions with vibration damping requirements. In a common ISD suspension structure, multiple layers of multiple elements have better damping performance. The use of single-layer ISD suspensions for 1/2 vehicles can be facilitated, but in the use of double-layer or multi-layer ISD suspensions, it is necessary to bear that each layer is in only one plane of motion relative to the other layers, and that there is only one degree of freedom inside the ISD suspension. And the position of the common 1/2 vehicle for installing the vibration reduction structure has one rotational degree of freedom, and the vibration reduction structure needs to bear the degree of freedom when working.
Disclosure of Invention
The invention provides an ISD multi-layer suspension supporting device of one half of a vehicle, which is used for a mechanism with 1/2 vehicle characteristics such as a motorcycle and the like and can be used for related experiments.
The technical scheme of the invention is as follows: an ISD multi-layer suspension supporting device of one half vehicle comprises a rotation supporting part 1 and a translation supporting part 2; the rotary support part 1 is connected with a vehicle body of a 1/2 vehicle and the translational support part 2, and is used for realizing vibration transmission on the translational support part 2 and providing the rotational freedom degree of the translational support part 2; the translational support portion 2 is used for mounting springs, damping, inertial containers and provides translational degrees of freedom.
The rotary support part 1 comprises an upper movable hinge 3 and a lower movable hinge 4; wherein, one end of the upper movable hinge 3 is connected with a vehicle body horizontal beam 13, and the other end of the upper movable hinge 3 is connected with one end of the translational support part 2; one end of the lower movable hinge 4 is connected with the vehicle body tilting beam 14, and the other end of the lower movable hinge 4 is connected with the other end of the translational support part 2.
The translation supporting part 2 comprises an optical axis 5, an upper fixed section bar 6, a middle floating section bar 7, a bottom floating section bar 8, a linear sliding bearing 9, an optical axis fixed support 10, a T-shaped bolt 11 and a fastening bolt 12; wherein the upper fixing section bar 6 is used for connecting the upper movable hinge 3 of the rotary supporting part 1 through a T-shaped bolt 11, the optical axis fixing support 10 is arranged on the upper fixing section bar 6 through the T-shaped bolt 11, and the optical axis fixing support 10 is fixed with one end of the fixed optical axis 5 through a tightening bolt 12; the linear sliding bearing 9 is arranged on the middle floating section bar 7 through a T-shaped bolt 11, and the linear sliding bearing 9 on the middle floating section bar 7 is arranged on the optical axis 5; a bottom floating profile 8 with a linear sliding bearing 9 fixed by a T-bolt 11 is mounted at the other end of the optical axis 5 and the other end of the optical axis 5 extends from the linear sliding bearing 9 on the bottom floating profile 8, the bottom floating profile 8 being mounted with a lower living hinge 4 of the rotation support portion 1 by the T-bolt 11.
The middle floating sectional materials 7 are positioned between the upper fixed sectional materials 6 and the bottom floating sectional materials 8 and are arranged in parallel, the number of the middle floating sectional materials 7 is one or more, the number of the upper fixed sectional materials 6 and the bottom floating sectional materials 8 is one, the length of the middle floating sectional materials 7 is smaller than or equal to that of the upper fixed sectional materials 6, the lengths of the upper fixed sectional materials 6 and the bottom floating sectional materials 8 are the same, and the left end face and the right end face of the upper fixed sectional materials 6 and the bottom floating sectional materials 8 are aligned; the optical axes 5 connecting the upper fixed profile 6, the middle floating profile 7 and the bottom floating profile 8 are arranged in parallel.
The plane of the upper fixing section bar 6 for installing the optical axis fixing support 10 and the plane of the middle floating section bar 7 and the plane of the bottom floating section bar 8 for installing the linear sliding bearing 9 are the same plane.
The end part of the optical axis 5 extending out of the linear sliding bearing 9 on the bottom floating profile 8 is provided with a limiting block.
The beneficial effects of the invention are as follows: the invention realizes that the ISD multi-layer suspension is applied to the 1/2 vehicle by skillfully designing the rotation support part and the translation support part, reserves the translation freedom degree of the ISD suspension, and reserves the rotation freedom degree of the 1/2 vehicle on the vibration reduction system. The supporting device fully uses the vibration damping characteristic of the ISD suspension, and is not interfered by the rotation freedom degree. The novel structure is suitable for any 1/2 vehicle, provides a new direction for the application of the ISD multi-layer suspension, is simple to install, reliable in principle and low in cost, and improves the vibration reduction performance of the 1/2 vehicle suspension.
Drawings
FIG. 1 is a schematic view of an alternative overall construction of the present invention;
FIG. 2 is a schematic view of the entire rotary support portion of the present invention;
FIG. 3 is an overall schematic view of a translational support portion of the present invention;
FIG. 4 is a simplified illustration of the installation of the upper living hinge and optical axis mount of the present invention;
FIG. 5 is a schematic view of a linear slide bearing installation of the present invention;
FIG. 6 is a schematic diagram of a mounting ISD dual layer suspension structure of the present invention;
FIG. 7 is a schematic view of the structure of FIG. 6 in accordance with the present invention;
FIG. 8 is a simplified illustration of the installation of the present invention on a 1/2 vehicle of FIG. 6;
FIG. 9 is a schematic diagram of the principles of the present invention;
FIG. 10 is a schematic diagram of a second embodiment of the present invention for mounting an ISD dual-layer suspension;
FIG. 11 is a schematic view of the structure of FIG. 10 in accordance with the present invention;
FIG. 12 is a schematic diagram III of a mounting ISD dual layer suspension of the present invention;
FIG. 13 is a schematic view of the structure of FIG. 12 in accordance with the invention;
FIG. 14 is a schematic view of the structure of an installed ISD trilayer suspension of the present invention;
FIG. 15 is a schematic view of the structure of FIG. 14 in accordance with the present invention;
the reference numerals in the figures are: the device comprises a 1-rotation supporting part, a 2-translation supporting part, a 3-upper movable hinge, a 4-lower movable hinge, a 5-optical axis, a 6-upper fixed profile, a 7-middle floating profile, an 8-bottom floating profile, a 9-linear sliding bearing, a 10-optical axis fixed support, 11-T-shaped bolts, 12-fastening bolts, 13-vehicle body horizontal beams, 14-vehicle body inclined beams, 15-first directions and 16-second directions;k、k1 represents a spring,c、c1 represents a damper,bIndicating inertial container；
Detailed Description
The invention will be further described with reference to the drawings and examples, but the invention is not limited to the scope.
Example 1: as shown in fig. 1-15, an ISD multi-layer suspension support device for one half vehicle comprises a rotation support part 1 and a translation support part 2; the rotary support part 1 is connected with a vehicle body of a 1/2 vehicle and the translational support part 2, and is used for realizing vibration transmission on the translational support part 2 and providing the rotational freedom degree of the translational support part 2; the translational support portion 2 is used for mounting springs, damping, inertial containers and provides translational degrees of freedom.
Further, the rotation support part 1 includes an upper movable hinge 3 and a lower movable hinge 4 as shown in fig. 2; wherein, one end of the upper movable hinge 3 is connected with a vehicle body horizontal beam 13, and the other end of the upper movable hinge 3 is connected with one end of the translational support part 2; one end of the lower movable hinge 4 is connected with the vehicle body tilting beam 14, and the other end of the lower movable hinge 4 is connected with the other end of the translational support part 2. The upper movable hinge 3 and the lower movable hinge 4 are fixed at reserved positions of the vehicle body horizontal beam and the inclined beam through the initial installation angle (the included angle between the vehicle body horizontal beam and the inclined beam when the 1/2 vehicle is stationary) of the vehicle body of the 1/2 vehicle, are connected with the vehicle body of the 1/2 vehicle and the translational support part 2, and retain the rotational freedom degree of the ISD suspension.
Further, as shown in fig. 3 to 5, the translational support portion 2 includes an optical axis 5, an upper fixed profile 6, a middle floating profile 7, a bottom floating profile 8, a linear sliding bearing 9, an optical axis fixing support 10, a T-bolt 11, and a fastening bolt 12; wherein the upper fixing section bar 6 is used for connecting the upper movable hinge 3 of the rotary supporting part 1 through a T-shaped bolt 11, the optical axis fixing support 10 is arranged on the upper fixing section bar 6 through the T-shaped bolt 11, and the optical axis fixing support 10 is fixed with one end of the fixed optical axis 5 through a tightening bolt 12; the linear sliding bearing 9 is arranged on the middle floating section bar 7 through a T-shaped bolt 11, and the linear sliding bearing 9 on the middle floating section bar 7 is arranged on the optical axis 5; a bottom floating profile 8 with a linear sliding bearing 9 fixed by a T-bolt 11 is mounted at the other end of the optical axis 5 and the other end of the optical axis 5 extends from the linear sliding bearing 9 on the bottom floating profile 8, the bottom floating profile 8 being mounted with a lower living hinge 4 of the rotation support portion 1 by the T-bolt 11. The number of the optical axes is equal to the number of the optical axis fixing supports 10, the number of the optical axes is equal to the number of the linear sliding bearings 9 on the bottom floating section bar 8, and the number of the optical axes is at least two.
Further, the middle floating sectional materials 7 are positioned between the upper fixed sectional materials 6 and the bottom floating sectional materials 8 and are arranged in parallel, the number of the middle floating sectional materials 7 is one or more, the number of the upper fixed sectional materials 6 and the bottom floating sectional materials 8 is one, the length of the middle floating sectional materials 7 is smaller than or equal to that of the upper fixed sectional materials 6, the lengths of the upper fixed sectional materials 6 and the bottom floating sectional materials 8 are the same, and the left end face and the right end face of the upper fixed sectional materials 6 and the bottom floating sectional materials 8 are aligned; the optical axes 5 connecting the upper fixed profile 6, the middle floating profile 7 and the bottom floating profile 8 are arranged in parallel.
Further, the surfaces of the upper fixing section bar 6 for installing the optical axis fixing support 10 and the surfaces of the middle floating section bar 7 and the bottom floating section bar 8 for installing the linear sliding bearing 9 are the same plane. By applying the technical scheme, the vibration reduction element can work in one plane, so that the vibration reduction element is more practical. Furthermore, the linear sliding bearing 9 and the optical axis fixing support 10 are selected to ensure that the optical axes are positioned on the same plane.
Further, the plane of the upper fixing section bar 6 for installing the optical axis fixing support 10 is adjacent to the plane of the upper fixing section bar 6 for installing the movable hinge 3; the plane of the bottom floating profile 8 for installing the linear sliding bearing 9 is adjacent to the plane of the bottom floating profile 8 for installing the lower movable hinge 4, and the plane of the upper fixed profile 6 for installing the upper movable hinge 3 is opposite to the plane of the bottom floating profile 8 for installing the lower movable hinge 4. By adopting the technical scheme, the ISD multi-layer suspension support device of one half of the vehicle can be conveniently connected with the vehicle body, and further, larger swinging freedom degree can be obtained.
Further, a stopper is provided at the end of the optical axis 5 extending from the linear slide bearing 9 on the bottom floating profile 8. The falling-off during the translational movement can be avoided, and the failure of the suspension supporting device is further avoided.
The technical scheme can be used for constructing an ISD multi-layer suspension supporting device of one half vehicle, wherein the left end and the right end of the upper end face of an upper fixed section bar 6 in the ISD multi-layer suspension supporting device of one half vehicle are used for being connected with an upper movable hinge 3 of a rotary supporting part 1 through T-shaped bolts 11, the left end and the right end of the lower end face of a bottom floating section bar 8 are used for being connected with a lower movable hinge 4 of the rotary supporting part 1 through T-shaped bolts 11, the front end face of the upper fixed section bar 6 is provided with an optical axis fixed support 10 at least at the left end and the right end, and the front end faces of a middle floating section bar 7 and the bottom floating section bar 8 are provided with linear sliding bearings 9 at least at the left end and the right end for mounting at least 2 optical axes. Further, an ISD double-layer suspension supporting device of a 1/2 vehicle in various mounting forms is shown in fig. 6, 10 and 12, and corresponding schematic diagrams of ISD structures are respectively given, as shown in fig. 7, 11 and 13. With the structure shown in fig. 6 and 7, the number of the middle floating sectional materials 7 is one, the number of the optical axes 5 is 3, the length of the middle floating sectional materials 7 is half of that of the upper fixed sectional materials 6, a damper is arranged between the middle floating sectional materials 7 and the upper fixed sectional materials 6, an inertial container is arranged between the middle floating sectional materials 7 and the bottom floating sectional materials 8, and a spring is arranged between the upper fixed sectional materials 6 and the bottom floating sectional materials 8; with the structure shown in fig. 10 and 11, the number of the middle floating sectional materials 7 is one, the number of the optical axes 5 is 2, the lengths of the upper fixed sectional materials 6, the middle floating sectional materials 7 and the bottom floating sectional materials 8 are the same, a damper and a spring are arranged between the middle floating sectional materials 7 and the upper fixed sectional materials 6, and an inertial container is arranged between the middle floating sectional materials 7 and the bottom floating sectional materials 8; with the structure shown in fig. 12 and 13, the number of the middle floating sectional materials 7 is one, the number of the optical axes 5 is 3, the length of the middle floating sectional materials 7 is half of that of the upper fixed sectional materials 6, dampers and springs are arranged between the middle floating sectional materials 7 and the upper fixed sectional materials 6, inertial containers are arranged between the middle floating sectional materials 7 and the bottom floating sectional materials 8, and springs are arranged between the upper fixed sectional materials 6 and the bottom floating sectional materials 8. As shown in fig. 14 and 15, the ISD three-layer suspension supporting device of the 1/2 vehicle with various installation forms is shown, the number of the middle floating sectional materials 7 is two, the number of the optical axes 5 is 3, the lengths of the first middle floating sectional material 7, the upper fixed sectional material 6 and the bottom floating sectional material 8 are the same, the length of the second middle floating sectional material 7 is half of that of the upper fixed sectional material 6, a spring and a damper are installed between the first middle floating sectional material 7 and the upper fixed sectional material 6, an inertial container is installed between the first middle floating sectional material 7 and the second middle floating sectional material 7, a damper is installed between the second middle floating sectional material 7 and the bottom floating sectional material 8, and a spring is installed between the first middle floating sectional material 7 and the bottom floating sectional material 8.
The number and length of the intermediate floating section bars 7 and the number of the optical axes 5 can be adaptively adjusted according to the requirements of the installed springs, damping and the positions and the number of inertial containers. In addition, the length of the optical axis 5 can be set according to the maximum displacement generated by the upper movable hinge 3 and the lower movable hinge 4 in the vibration process, and the diameter can be properly adjusted according to the applicable 1/2 vehicle integral framework; the upper fixing section bar 6 and the bottom floating section bar 8 do not exceed 1/2 of the transverse vehicle body width, and the middle floating section bar 7 can be provided with a length according to the ISD multi-layer suspension type, but does not exceed 1/2 of the transverse vehicle body width.
The working principle of the invention is as follows: when the 1/2 vehicle is vibrated, the degree of freedom in the system and the position of the vibration reduction structure, in which the included angle between the horizontal beam 13 and the inclined beam 14 of the vehicle body is reduced, are shown in fig. 9, and the horizontal beam 13 and the inclined beam 14 of the vehicle body on the 1/2 vehicle bring the degree of freedom in translation in the first direction 15 and the degree of freedom in rotation in the second direction 16 to the vibration reduction structure. In the vibration reduction process, the ISD double-layer suspension bears the rotation freedom degree of the second direction outwards and bears the translation freedom degree of the first direction inwards. The upper movable hinge and the lower movable hinge are used for reserving the rotation freedom degree in the second direction, redundant friction force generated by the vibration reduction element is prevented from being generated inside the ISD multi-layer suspension by the rotation freedom degree, and the lower movable hinge and the upper movable hinge are limited by the freedom degrees of the optical axis and the linear sliding bearing, so that the translation freedom degree of the ISD multi-layer suspension in the first direction in the structure is reserved. When the 1/2 vehicle is vibrated, the clamping angles of the horizontal beam and the inclined beam of the vehicle body are increased. Meanwhile, the structure diagram of the vehicle body of the 1/2 vehicle is simplified, and as shown in fig. 8, an alternative installation mode of the invention on the 1/2 vehicle is simply explained.
While the present invention has been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (4)
1. An ISD multi-layer suspension support device for one half vehicle, characterized by: comprises a rotary supporting part (1) and a translational supporting part (2); the rotary support part (1) is connected with the vehicle body of the 1/2 vehicle and the translational support part (2) and is used for realizing vibration transmission on the translational support part (2) and providing the rotational freedom degree of the translational support part (2); the translational support part (2) is used for installing springs, damping and inertial containers and providing translational degrees of freedom;
the rotary supporting part (1) comprises an upper movable hinge (3) and a lower movable hinge (4); one end of the upper movable hinge (3) is connected with a vehicle body horizontal beam (13), and the other end of the upper movable hinge (3) is connected with one end of the translational support part (2); one end of the lower movable hinge (4) is connected with a vehicle body tilting beam (14), and the other end of the lower movable hinge (4) is connected with the other end of the translational support part (2);
the translation supporting part (2) comprises an optical axis (5), an upper fixed section bar (6), a middle floating section bar (7), a bottom floating section bar (8), a linear sliding bearing (9), an optical axis fixed support (10), a T-shaped bolt (11) and a fastening bolt (12); the upper fixing section bar (6) is used for being connected with the upper movable hinge (3) of the rotary supporting part (1) through a T-shaped bolt (11), the optical axis fixing support (10) is arranged on the upper fixing section bar (6) through the T-shaped bolt (11), and the optical axis fixing support (10) is fixed with one end of the fixed optical axis (5) through a fastening bolt (12); the linear sliding bearing (9) is arranged on the middle floating section bar (7) through a T-shaped bolt (11), and the linear sliding bearing (9) on the middle floating section bar (7) is arranged on the optical axis (5); the bottom floating section bar (8) of the linear sliding bearing (9) is fixed at the other end of the optical axis (5) through a T-shaped bolt (11), the other end of the optical axis (5) extends out of the linear sliding bearing (9) on the bottom floating section bar (8), and the bottom floating section bar (8) is provided with the lower movable hinge (4) of the rotary supporting part (1) through the T-shaped bolt (11).
2. The ISD multi-layer suspension support device of one-half vehicle of claim 1 wherein: the middle floating sectional materials (7) are positioned between the upper fixed sectional materials (6) and the bottom floating sectional materials (8) and are arranged in parallel, the number of the middle floating sectional materials (7) is one or more, the number of the upper fixed sectional materials (6) and the bottom floating sectional materials (8) is one, the length of the middle floating sectional materials (7) is smaller than or equal to that of the upper fixed sectional materials (6), the lengths of the upper fixed sectional materials (6) and the bottom floating sectional materials (8) are the same, and the left end face and the right end face of the upper fixed sectional materials are aligned; the optical axes (5) of the upper fixing section bar (6), the middle floating section bar (7) and the bottom floating section bar (8) are connected in parallel.
3. The ISD multi-layer suspension support device of one-half vehicle of claim 1 wherein: the upper fixing section bar (6) is used for installing the plane of the optical axis fixing support (10), and the planes of the middle floating section bar (7) and the bottom floating section bar (8) for installing the linear sliding bearing (9) are the same plane.
4. The ISD multi-layer suspension support device of one-half vehicle of claim 1 wherein: the end part of the optical axis (5) extending out of the linear sliding bearing (9) on the bottom floating profile (8) is provided with a limiting block.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211459208.0A CN115848548B (en) | 2022-11-17 | 2022-11-17 | ISD multi-layer suspension supporting device for half vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211459208.0A CN115848548B (en) | 2022-11-17 | 2022-11-17 | ISD multi-layer suspension supporting device for half vehicle |
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| CN115848548B true CN115848548B (en) | 2024-04-05 |
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| 车辆ISD悬架系统的动力学分析及控制优化;孙万琪;中国优秀硕士学位论文全文数据库工程科技Ⅱ辑;20240115;C035-287 * |
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