CN110321664B - Macpherson suspension wheel track change determination method and device - Google Patents
Macpherson suspension wheel track change determination method and device Download PDFInfo
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- CN110321664B CN110321664B CN201910673224.1A CN201910673224A CN110321664B CN 110321664 B CN110321664 B CN 110321664B CN 201910673224 A CN201910673224 A CN 201910673224A CN 110321664 B CN110321664 B CN 110321664B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/02—Dead axles, i.e. not transmitting torque
- B60B35/10—Dead axles, i.e. not transmitting torque adjustable for varying track
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/007—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces means for adjusting the wheel inclination
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/15—Vehicle, aircraft or watercraft design
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
Abstract
The invention provides a Macpherson suspension wheel track change determination method and a Macpherson suspension wheel track change determination device, which comprise the following steps: establishing a suspension structure model according to the parameters and the design principle of the Macpherson suspension, wherein the suspension structure model comprises a wheel, a hub seat, a vibration damping system, an upper ball pin, a ball pin support, a frame, a pin support, a pin, a lower guide arm and a lower ball pin; simplifying the suspension structure model to obtain a suspension principle model; simulating the state of the suspension principle model in no-load, and acquiring a no-load suspension principle model according to the position changes of the pin, the upper ball stud and the lower ball stud; according to the no-load suspension principle model, the wheel track change of the wheel and the inclination angle of the wheel are obtained, the offset of the wheel in different states of the Macpherson suspension can be visually displayed, and accurate basis and reference can be provided for production and manufacturing of automobiles.
Description
Technical Field
The invention relates to the field of automobile suspensions, in particular to a Macpherson suspension wheel track change determining method and device.
Background
In the field of automobile suspension, a wheel track change value is selected according to design theory and experience during design. The link between the actual track change and the suspension structural parameters cannot be determined and the track change value cannot be predicted.
In the prior art, a simulation method is usually adopted to simulate the relationship between the position size parameter of the main structure and the change of the wheel track, so that the change of the wheel track can be predicted, but the influence of the shape parameter of the suspension structure on the wheel track is not considered, so that the prediction accuracy of the change of the wheel track is poor.
Disclosure of Invention
In view of this, the invention aims to provide a method and a device for determining a change in a wheeltrack of a macpherson suspension, which can visually show the offset of a wheel of the macpherson suspension in different states, and can provide accurate basis and reference for the production and manufacturing of automobiles.
A first embodiment of the present invention provides a method for determining a change in a track width of a mcpherson suspension, including:
establishing a suspension structure model according to the parameters and the design principle of the Macpherson suspension, wherein the suspension structure model comprises a wheel, a hub seat, a vibration damping system, an upper ball pin, a ball pin support, a frame, a pin support, a pin, a lower guide arm and a lower ball pin;
simplifying the suspension structure model to obtain a suspension principle model;
simulating the state of the suspension principle model in no-load, and acquiring a no-load suspension principle model according to the position changes of the pin, the upper ball stud and the lower ball stud;
and acquiring the wheel track change of the wheel and the inclination angle of the wheel according to the no-load suspension principle model.
Preferably, the simulating the state of the suspension principle model during no-load operation obtains the no-load suspension principle model according to the position changes of the pin, the upper ball stud and the lower ball stud, and specifically includes: simulating the motion of the suspension principle model in the no-load state, acquiring a first position of the pin, a first position of the upper ball pin and a first position of the lower ball pin of the suspension principle model in the no-load state, and determining the no-load suspension principle model.
Preferably, the distance between the center point of the pin and the center point of the lower ball stud is fixed.
Preferably, the method further includes obtaining a variation of the damping system, specifically: and establishing a YOZ coordinate system under the suspension principle model, acquiring an included angle between the damping system and a Z axis, and acquiring the variation of the damping system according to the position variation and the included angle of the upper ball stud in the no-load operation simulated by the suspension principle model.
Preferably, the method further comprises the following steps: and simulating the state of the suspension principle model in overload, and acquiring the overload suspension principle model according to the position changes of the pin, the upper ball stud and the lower ball stud.
A second embodiment of the present invention provides a macpherson suspension track change determination device including:
the suspension structure model establishing unit is used for establishing a suspension structure model according to parameters and a design principle of a Macpherson suspension, wherein the suspension structure model comprises wheels, a hub seat, a damping system, an upper ball pin, a ball pin support, a frame, a pin support, a pin, a lower guide arm and a lower ball pin;
the suspension principle model establishing unit is used for simplifying the suspension structure model to obtain a suspension principle model;
the no-load suspension principle model establishing unit simulates the state of the suspension principle model in no-load, and acquires the no-load suspension principle model according to the position changes of the pin, the upper ball pin and the lower ball pin;
and the wheel change acquiring unit is used for acquiring the wheel track change of the wheel and the inclination angle of the wheel according to the no-load suspension principle model.
Preferably, the simulating the state of the suspension principle model in the no-load state obtains the no-load suspension principle model according to the position changes of the pin, the upper ball stud and the lower ball stud, and specifically includes: simulating the motion of the suspension principle model in the no-load state, acquiring a first position of the pin, a first position of the upper ball pin and a first position of the lower ball pin of the suspension principle model in the no-load state, and determining the no-load suspension principle model.
Preferably, the distance between the central point of the pin and the central point of the lower ball stud is fixed.
Preferably, the damping system further comprises a variation acquiring unit of the damping system, wherein the variation acquiring unit of the damping system is specifically configured to: and establishing a YOZ coordinate system under the suspension principle model, acquiring an included angle between the damping system and a Z axis, and acquiring the variation of the damping system according to the position variation and the included angle of the upper ball stud in the suspension principle model during the simulation of no-load operation.
Preferably, the system further comprises an overload suspension principle model acquisition unit, wherein the overload suspension principle model acquisition unit is specifically used for: and simulating the state of the suspension principle model during overload, and acquiring the overload suspension principle model according to the position changes of the pin, the upper ball stud and the lower ball stud.
According to the Macpherson suspension wheel track change determining method and device provided by the embodiment of the invention, the suspension structure model is established firstly, the suspension structure model is simplified to obtain the suspension principle model, the state of the suspension principle model in no-load is simulated to obtain the no-load suspension principle model, and the wheel track change and the inclination angle of the wheel are obtained according to the no-load suspension principle model, so that the wheel track change and the wheel offset of the Macpherson suspension in different states can be visually shown, and accurate basis and reference can be provided for the production and the manufacture of automobiles.
Drawings
FIG. 1 is a schematic flow chart of a method for determining a change in a wheel track of a MacPherson suspension according to a first embodiment of the present invention;
FIG. 2 is a schematic view showing a suspension structure model according to the first embodiment of the present invention;
FIG. 3 is a schematic view of a suspension principle model according to a first embodiment of the present invention;
FIG. 4 is a schematic diagram of a model of the idle suspension principle of the first embodiment of the present invention;
FIG. 5 is a schematic diagram of an overload suspension principle model according to the first embodiment of the present invention;
fig. 6 is a schematic structural view of a macpherson suspension track change determination device according to a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive efforts based on the embodiments of the present invention, are within the scope of protection of the present invention. Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
The invention provides a Macpherson suspension wheel track change determining method and device, which can visually show the wheel offset of a Macpherson suspension in different states and provide accurate basis and reference for the production and the manufacture of automobiles.
Referring to fig. 1, a first embodiment of the present invention provides a method for determining a track width variation of a macpherson suspension, including:
s101, establishing a suspension structure model according to parameters and a design principle of a Macpherson suspension, wherein the suspension structure model comprises a wheel 1, a hub seat 2, a damping system 3, an upper ball stud 4, a ball stud support 5, a frame 6, a stud support 7, a stud 8, a lower guide arm 9 and a lower ball stud 10, and is shown in FIG. 2;
s102, simplifying the suspension structure model to obtain a suspension principle model;
in the present embodiment, the suspension structure is simplified, and the structure in the suspension structure model is replaced by a simple line, and the structure comprises a wheel 1, a hub seat 2, a damping system 3, an upper ball stud 4, a ball stud support 5, a frame 6, a stud support 7, a stud 8, a lower guide arm 9 and a lower ball stud 10, as shown in fig. 3;
s103, simulating the state of the suspension principle model in the no-load state, and acquiring the no-load suspension principle model according to the position changes of the pin 8, the upper ball stud 4 and the lower ball stud 10, wherein the method specifically comprises the following steps: simulating the motion of the suspension principle model in the no-load state, as shown in fig. 4, obtaining a first position a1 of the pin, a first position C1 of the upper ball pin, and a first position B1 of the lower ball pin of the suspension principle model in the no-load state, and determining the no-load suspension principle model, where points a1, B1, and C1 are the central positions of the pin, the lower ball pin, and the upper ball pin in the no-load suspension principle model, where point A, B, C is the central positions of the pin, the lower ball pin, and the upper ball pin in the suspension principle model, and obtaining the no-load suspension principle model according to the position changes of the pin, the lower ball pin, and the upper ball pin in the no-load state.
And S104, acquiring the wheel tread change of the wheel and the inclination angle of the wheel according to the no-load suspension principle model.
Referring to fig. 4, in the present embodiment, the distance between the center point of the pin and the center point of the lower ball stud is fixed. The distance between the points a and B is equal to the distance between the points A1 and B1, that is, AB is A1B1, and the distance between the points B and C is changed, that is, the length of the damper spring in the damper system is changed.
In this embodiment, the method further includes obtaining a variation of the damping system, specifically: and establishing a YOZ coordinate system under the suspension principle model, acquiring an included angle between the damping system and a Z axis, and acquiring the variation of the damping system according to the position variation and the included angle of the upper ball stud in the suspension principle model during the simulation of no-load operation. It should be noted that a YOZ coordinate system is established in the suspension principle model diagram, and an included angle between the damping system and the Z axis and an included angle alpha between the BC and the Z axis are obtained 1 Wherein, the formula of the variation of the damping system 3 (i.e. the length variation of the damping spring) is:
B 1 C 1 -BC＝CC 1 /COSα 1
wherein, O is the central point of the wheel, O1 is the central point of the wheel after the idle load, determine the position of each component after the change of the upper state of the McPherson suspension, determine the idle load suspension principle model, and measure the change S of the wheel track and the offset alpha of the wheel according to the idle load suspension principle model 1 。
Referring to fig. 5, in the present embodiment, the method further includes: and simulating the state of the suspension principle model during overload, and acquiring the overload suspension principle model according to the position changes of the pin, the upper ball stud and the lower ball stud.
The following practical example illustrates the application of the present invention in the field of automobile suspensions.
Referring to fig. 6, a second embodiment of the present invention provides a macpherson suspension wheel track variation determining apparatus, including:
the suspension structure model establishing unit 201 is used for establishing a suspension structure model according to parameters and a design principle of a Macpherson suspension, wherein the suspension structure model comprises a wheel, a hub seat, a damping system, an upper ball stud, a ball stud support, a frame, a stud support, a stud, a lower guide arm and a lower ball stud;
a suspension principle model establishing unit 202, which simplifies the suspension structure model to obtain a suspension principle model;
the no-load suspension principle model establishing unit 203 simulates the state of the suspension principle model in no-load, and acquires the no-load suspension principle model according to the position changes of the pin, the upper ball pin and the lower ball pin;
the wheel change acquiring unit 204 acquires the track change of the wheel and the inclination angle of the wheel according to the no-load suspension principle model.
In this embodiment, the no-load suspension principle model establishing unit 203 is specifically configured to: simulating the motion of the suspension principle model in the no-load state, acquiring a first position of the pin, a first position of the upper ball pin and a first position of the lower ball pin of the suspension principle model in the no-load state, and determining the no-load suspension principle model.
In this embodiment, the distance between the center point of the pin and the center point of the lower ball stud is fixed.
In this embodiment, the damping system further includes a variation acquiring unit of the damping system, where the variation acquiring unit of the damping system is specifically configured to: and establishing a YOZ coordinate system under the suspension principle model, acquiring an included angle between the damping system and a Z axis, and acquiring the variation of the damping system according to the position variation and the included angle of the upper ball stud in the suspension principle model during the simulation of no-load operation.
In this embodiment, the system further includes an overload suspension principle model obtaining unit, where the overload suspension principle model obtaining unit is specifically configured to: and simulating the state of the suspension principle model in overload, and acquiring the overload suspension principle model according to the position changes of the pin, the upper ball stud and the lower ball stud.
A third embodiment of the present invention provides a macpherson suspension track change determination device including a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor. The processor implements the steps in any one of the above embodiments of the macpherson suspension wheel track variation determination method when executing the computer program, or implements the functions in the above embodiments of the apparatus when executing the computer program.
A fourth embodiment of the present invention provides a computer-readable storage medium including a stored computer program, such as a macpherson suspension track change determination program. Wherein, when the computer program runs, the device on which the computer readable storage medium is located is controlled to execute the macpherson suspension track change determination method described in the first embodiment.
According to the Macpherson suspension wheel track change determining method and device provided by the embodiment of the invention, the suspension structure model is established firstly, the suspension structure model is simplified to obtain the suspension principle model, the state of the suspension principle model in no-load is simulated to obtain the no-load suspension principle model, and the wheel track change and the inclination angle of the wheel are obtained according to the no-load suspension principle model, so that the wheel track change and the wheel offset of the Macpherson suspension in different states can be visually shown, and accurate basis and reference can be provided for the production and the manufacture of automobiles.
Illustratively, the computer programs described in the third and fourth embodiments of the present invention may be partitioned into one or more modules, which are stored in the memory and executed by the processor to implement the present invention. The one or more modules may be a series of computer program instruction segments capable of performing specific functions for describing the execution of the computer program in the implementation of a macpherson suspension track change determination device.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, the processor being the control center of the one McPherson suspension wheel track variation determination method, and various interfaces and lines connecting the various parts of the overall implementation McPherson suspension wheel track variation determination method.
The memory may be used to store the computer program and/or module, and the processor may implement the various functions of the macpherson suspension track change determination method by executing or executing the computer program and/or module stored in the memory, and calling up data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, a text conversion function, etc.), and the like; the storage data area may store data (such as audio data, text message data, etc.) created according to the use of the cellular phone, etc. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Wherein the module implementing a macpherson suspension track change determination device, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments described above may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer-readable medium may contain suitable additions or subtractions depending on the requirements of legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer-readable media may not include electrical carrier signals or telecommunication signals in accordance with legislation and patent practice.
It should be noted that the above-described embodiments of the apparatus are merely illustrative, where the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection therebetween, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement without inventive effort.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A Macpherson suspension wheel track change determination method is characterized by comprising the following steps:
establishing a suspension structure model according to the parameters and the design principle of the McPherson suspension, wherein the suspension structure model comprises wheels, a hub seat, a damping system, an upper ball pin, a ball pin support, a frame, a pin support, a pin, a lower guide arm and a lower ball pin;
simplifying the suspension structure model to obtain a suspension principle model;
simulating the state of the suspension principle model in the no-load state, and acquiring the no-load suspension principle model according to the position changes of the pin, the upper ball stud and the lower ball stud, wherein the state is specifically as follows: simulating the motion of the suspension principle model in the no-load state, acquiring a first position of the pin, a first position of the upper ball pin and a first position of the lower ball pin of the suspension principle model in the no-load state, and determining the no-load suspension principle model;
acquiring the wheel track change of the wheel and the inclination angle of the wheel according to the no-load suspension principle model;
still including acquireing shock mitigation system's variation specifically is: and establishing a YOZ coordinate system under the suspension principle model, acquiring an included angle between the damping system and a Z axis, and acquiring the variation of the damping system according to the position variation and the included angle of the upper ball stud in the no-load operation simulated by the suspension principle model.
2. The McPherson suspension track variation determining method according to claim 1, wherein a distance between a center point of the pin and a center point of the lower ball stud is fixed.
3. The McPherson suspension track variation determining method according to claim 1, further comprising: and simulating the state of the suspension principle model during overload, and acquiring the overload suspension principle model according to the position changes of the pin, the upper ball stud and the lower ball stud.
4. A macpherson suspension track change determination device, comprising:
the suspension structure model establishing unit is used for establishing a suspension structure model according to the parameters and the design principle of the Macpherson suspension, wherein the suspension structure model comprises wheels, a hub seat, a damping system, an upper ball stud, a ball stud support, a frame, a stud support, a stud, a lower guide arm and a lower ball stud;
the suspension principle model establishing unit is used for simplifying the suspension structure model to obtain a suspension principle model;
the no-load suspension principle model establishing unit is used for simulating the state of the suspension principle model in the no-load state, acquiring the no-load suspension principle model according to the position changes of the pin, the upper ball pin and the lower ball pin, and is specifically used for: simulating the motion of the suspension principle model in the no-load state, acquiring a first position of the pin, a first position of the upper ball pin and a first position of the lower ball pin of the suspension principle model in the no-load state, and determining the no-load suspension principle model;
the wheel change acquiring unit is used for acquiring the wheel track change of the wheel and the inclination angle of the wheel according to the no-load suspension principle model;
still include shock mitigation system's change acquisition unit, shock mitigation system's change acquisition unit specifically is used for: and establishing a YOZ coordinate system under the suspension principle model, acquiring an included angle between the damping system and a Z axis, and acquiring the variation of the damping system according to the position variation and the included angle of the upper ball stud in the no-load operation simulated by the suspension principle model.
5. The McPherson suspension track variation determining apparatus of claim 4, wherein a distance between a center point of said stud and a center point of said lower ball stud is fixed.
6. The McPherson suspension wheel track change determination device according to claim 4, further comprising an overload suspension principle model obtaining unit, wherein the overload suspension principle model obtaining unit is specifically configured to: and simulating the state of the suspension principle model during overload, and acquiring the overload suspension principle model according to the position changes of the pin, the upper ball stud and the lower ball stud.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012108768A (en) * | 2010-11-18 | 2012-06-07 | Toyota Motor Corp | Suspension behavior estimation method |
| CN104097477A (en) * | 2014-06-05 | 2014-10-15 | 厦门理工学院 | Length calculation method for upper guide arm and lower guide arm of double-cross-arm independent suspension |
| CN109145466A (en) * | 2018-08-28 | 2019-01-04 | 华南理工大学 | A kind of 1/4 car model modeling method based on McPherson suspension |
-
2019
- 2019-07-24 CN CN201910673224.1A patent/CN110321664B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012108768A (en) * | 2010-11-18 | 2012-06-07 | Toyota Motor Corp | Suspension behavior estimation method |
| CN104097477A (en) * | 2014-06-05 | 2014-10-15 | 厦门理工学院 | Length calculation method for upper guide arm and lower guide arm of double-cross-arm independent suspension |
| CN109145466A (en) * | 2018-08-28 | 2019-01-04 | 华南理工大学 | A kind of 1/4 car model modeling method based on McPherson suspension |
Non-Patent Citations (1)
| Title |
|---|
| 浅谈轻卡车型匹配前独立悬架系统的研究与运用;李林森;《汽车实用技术》;20131226(第12期);全文 * |
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