CN103792092B - The method of vehicle chassis test loading force - Google Patents
The method of vehicle chassis test loading force Download PDFInfo
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- CN103792092B CN103792092B CN201210418925.9A CN201210418925A CN103792092B CN 103792092 B CN103792092 B CN 103792092B CN 201210418925 A CN201210418925 A CN 201210418925A CN 103792092 B CN103792092 B CN 103792092B
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Abstract
The present invention provides a kind of method of vehicle chassis test loading force, one of them in two opposing application points of the first linear actuator is connected on the point of application on chassis to be tested, another application point is connected to fixing component, increases the stress on the described point of application by controlling the elongation of the first linear actuator.Said method, uses the first linear actuator to be connected with the chassis of test vehicle as force application part, by control the first linear actuator flexible just can easily controlled loading to the size of the load (namely active force) on chassis so that operate easier；It addition, employing aforesaid way, relatively prior art uses the form loading weight counterweight to load, and eliminates weight counterweight, accordingly also without the space of placement weight counterweight, therefore saves test site, improve utilization of area rate.
Description
Technical field
The present invention relates to vehicle chassis technical field of performance test, particularly relate to a kind of vehicle chassis test
Method with simulating vehicle load-carrying loading force.
Background technology
At present, vehicle is widely used in the transport of personnel, goods and materials, the comfortableness running vehicle and peace
The requirement of full property is more and more higher.Therefore, in vehicle research and development and production process, need to carry out accordingly
Test obtain corresponding performance parameter, to provide experimental data for improving vehicle performance, or be car
Whether meet respective performances index and basis for estimation is provided.In the various tests to vehicle, the most right
The test of chassis performance is an important test event.At present, when chassis is tested, typically
It is that test vehicle is placed on testboard, then uses the form loading weight counterweight on test vehicle
Load.Use aforesaid way, on the one hand need the dress using special equipment to carry out weight counterweight
Unload, on the other hand also need to bigger space and deposit weight counterweight, so cause testing loaded down with trivial details, behaviour
Make inconvenience, and take bigger test site.
Summary of the invention
Brief overview about the present invention given below, in order to some side about the present invention is provided
The basic comprehension in face.Should be appreciated that this general introduction is not that the exhaustive about the present invention is summarized.It
It is not intended to determine the key of the present invention or pith, is not the model of the intended limitation present invention
Enclose.Its purpose is only to provide some concept in simplified form, more detailed in this, as discuss after a while
The thin preamble described.
The present invention provides a kind of method of vehicle chassis test loading force, in order to solve in prior art
When testing chassis, the test caused is loaded down with trivial details, operation is inconvenient and takies the problem that test site is big.
The present invention provides a kind of method of vehicle chassis test loading force, by the first linear actuator
One of them in two opposing application points is connected on the point of application on chassis to be tested, another is made
It is connected to fixing component with point, correspondingly increases by controlling elongating or shortening of the first linear actuator
Big or reduce the stress on the described point of application.
The method of the vehicle chassis test loading force that the present invention provides, uses the first linear actuator to make
It is connected with the chassis of test vehicle for force application part, by controlling stretching just of the first linear actuator
Can easily controlled loading to the size of the load (namely active force) on chassis so that operation is compared
Easy；It addition, employing aforesaid way, relatively prior art uses the form loading weight counterweight to load,
Eliminate weight counterweight, accordingly also without the space of placement weight counterweight, therefore save test site,
Improve utilization of area rate.
Accompanying drawing explanation
Below with reference to the accompanying drawings illustrate embodiments of the invention, the present invention can be more readily understood that
Above and other objects, features and advantages.Parts in accompanying drawing are intended merely to illustrate that the present invention's is former
Reason.In the accompanying drawings, same or similar technical characteristic or parts will use same or similar accompanying drawing
Labelling represents.
Fig. 1 is for implementing the dress of the method for the vehicle chassis test loading force that the embodiment of the present invention provides
The front view put；
Fig. 2 is the A-A sectional view of Fig. 1；
Fig. 3 is the right view of Fig. 1；
Adopt during the method that Fig. 4 is the vehicle chassis test loading force of enforcement embodiment of the present invention offer
The use state diagram of device.
Description of reference numerals:
Force-applying piece fixing body-1；Force application rod assembly-2；Housing-3；
Adpting flange-4；Cover plate-5；Gripper shoe-6；
Support beam-7；Force transition piece-8；Force crossbeam-9；
Pull bar-10；Force functional hole-11；Reinforcing bar-12；
Force body installation cavity-13；Second linear actuator-14；Guide post-15；
Back axle-16；Testing stand-17；Groove-18；
First linear actuator-19.
Detailed description of the invention
Embodiments of the invention are described with reference to the accompanying drawings.An accompanying drawing or a kind of real in the present invention
Execute the element described in mode and feature can with in one or more other accompanying drawing or embodiment
The element and the feature that illustrate combine.It should be noted that, for purposes of clarity, accompanying drawing and explanation save
Omit unrelated to the invention, parts known to persons of ordinary skill in the art and the expression of process and retouched
State.
The embodiment of the present invention provides a kind of method of vehicle chassis test loading force, including: by first
One of them in two opposing application points of linear actuator is connected to the force on chassis to be tested
On point, another application point is connected to fixing component, by control the first linear actuator elongation or
Shorten and correspondingly increase or reduce the stress on the described point of application.
The method of the vehicle chassis test loading force of such scheme, uses the first linear actuator conduct
Force application part is connected with the chassis of test vehicle, just may be used by controlling the flexible of the first linear actuator
Easily controlled loading is to the size of the load (namely active force) on chassis so that operate simpler
Just；It addition, employing aforesaid way, relatively prior art uses the form loading weight counterweight to load,
Eliminate weight counterweight, accordingly also without the space of placement weight counterweight, therefore save test site,
Improve utilization of area rate.
Specifically, Fig. 1 is for implementing the side of the vehicle chassis test loading force that the embodiment of the present invention provides
The front view of the device of method；Fig. 2 is the A-A sectional view of Fig. 1；Fig. 3 is the right view of Fig. 1；
In actual use, enforcement said method can use but not use following structure, as shown in Figure 1-Figure 3,
When implementing the inventive method embodiment, the fixing component that first linear actuator 19 one end connects can
To be the earth, support or other components, employing force-applying piece fixing body 1 is as fixing component herein, its
Can be direct or indirect be fixedly attached to the earth.Wherein, in force-applying piece fixing body 1, there is force body
Installation cavity 13, slides in force-applying piece fixing body 1 and is provided with force transition piece 8；First linear actuator
19 are arranged in force body installation cavity 13, one end of the first linear actuator 19 force direction with execute
Power part fixing body 1 connects, the other end is connected with force transition piece 8；Connect on force transition piece 8 and have
Force application rod assembly 2, force application rod assembly 2 is positioned at the outside of force-applying piece fixing body 1, and is used for being connected to
On the point of application.By control the elongation of the first linear actuator 19 increase accordingly be applied to force
The size of the power on point, namely the size of load.
Further, based on above-described embodiment, when stating embodiment of the method on the implementation, in order to make force
Transition piece can bounce back automatically, reduces the stress of the point of application, pacifies in force body installation cavity 13
Having filled the second linear actuator 14, the second linear actuator 14 splits with the first straight line linear actuator
In the both sides of force transition piece 8, namely the second linear actuator 14 is connected to the first linear actuator
The lower section of 19, and the end that the first linear actuator 19 is close to each other with the second linear actuator 14
It is connected to the point of application, the first linear actuator by the force application rod assembly being connected with force transition piece 8
19 and second the end that mutually deviates from of linear actuator 14 be respectively connecting to fixing component；By controlling
First elongation controlling linear actuator, the contraction of corresponding control the second linear actuator 14 increases
Stress on the big point of application.Correspondingly, when the stress reduced on the point of application, then the first linear drives
Device 19 shrinks, and the second linear actuator 14 extends.
Further, based on above-described embodiment, outside force-applying piece fixing body 1, it is fixedly connected with support
Beam 7, can be processed by I-steel such as but not limited to support beam 7, wherein, and support beam 7
Short transverse is consistent with linear actuator force direction, sets between force-applying piece fixing body 1 and support beam 7
Being equipped with gripper shoe 6, one end of gripper shoe 6 is connected, separately by bolt is fixing with force-applying piece fixing body 1
One end is connected by bolt is fixing with support beam 7, and gripper shoe 6 is to support beam 7 and force-applying piece fixing body
Booster action is played in the connection of 1, prevents force-applying piece fixing body 1 from occurring rocking in support beam 7.Make
Used time, support beam 7 can be fixed on the pedestal of ground or test equipment.To be executed by support beam 7
Power part fixing body 1 is fixed on the pedestal of ground or test equipment as fixing component.
Further, based on above-described embodiment, in actual use, force-applying piece fixing body 1 can wrap
Including the housing 3 with opening, the opening part at housing 3 is bolted to connection a cover plate 5.
Further, based on above-described embodiment, in actual use, the sidewall of housing 3 is provided with
Groove 18, force transition piece 8 slides and is threaded onto in groove 18.Wherein, the height of groove 18 is big
In the thickness of force transition piece 8, so, force transition piece 8 can be along the height side of groove 18
To sliding, the motion of force transition piece 8 is driven by the first linear actuator 19.
Force transition piece 8 can be, but not limited to be tabular component or tubular element, in this embodiment, and force
Transition piece 8 is one section of square tube.
Further, based on above-described embodiment, in actual use, for the ease of housing 3 is carried out
Processing, and be beneficial to the first linear actuator 19 and/or the first linear actuator 19, then housing 3 are installed
Using cylindrical shell, the opening part at cylindrical shell has adpting flange 4, and cover plate 5 passes through spiral shell
Bolt is fixed on adpting flange 4.
Further, based on above-described embodiment, in actual use, in order to make force transition piece 8
Slip ratio relatively smooth out, then in force body installation cavity 13, be provided with the guiding being fixed on cover plate 5
Bar 15, guide post 15 extends along the first linear actuator 19 force direction, on force transition piece 8
It is provided with and guides, with guide post 15, the pilot hole coordinated.In this embodiment, two phases it are provided with altogether
The most parallel guide post 15, each guide post 15 is through in the force corresponding pilot hole of transition piece 8 respectively
Realize the guide function to force transition piece 8.
Further, based on above-described embodiment, in actual use, force application rod assembly 2 includes force
Crossbeam 9, is respectively connected with pull bar 10, one end of pull bar 10 and force horizontal stroke at the two ends of force crossbeam 9
Beam 9 is hinged, the other end is hinged with force transition piece 8.Wherein, force crossbeam 9 can arrange and executes
Power functional hole 11, can wear the component such as steel wire rope or reinforcing bar 12 in the functional hole 11 that exerts a force during use,
The chassis (such as back axle 16) of this force crossbeam 9 with test vehicle is linked together.
Further, based on above-described embodiment, in actual use, the first linear actuator 19 and
Second linear actuator 14 can be all in air spring, hydraulic cylinder, pneumatic cylinder and electric pushrod
Any one., illustrate as a example by air spring, by air spring being inflated or putting herein
Gas, controls being increased or decreased of air spring elastic force, and then realizes the flexible, accordingly of air spring
, the active force of air spring is applied to exert a force on transition piece 8, the most again by with force transition piece
On the chassis of the test vehicle of force application rod assembly 2 effect that 8 connect, it is achieved the loading to test vehicle.
The method using the vehicle chassis test loading force of such scheme, when actually used, such as figure
Shown in 4, vehicle is placed on testing stand 17, by being through the force functional hole 11 of force crossbeam 9
Interior reinforcing bar 12, by (the most straight for the chassis of vehicle chassis test loading force device and test vehicle
It is connected in succession on the back axle 16 of vehicle) it is connected.See also Fig. 2, to the first linear actuator 19
(for air spring) is inflated, along with the rising of air pressure, the length of the first linear actuator 19
Elongated, the first linear actuator 19 promotes force transition piece 8 to move downward that (indication is downward herein
Motion refers to by the motion to support beam side of the crossbeam side), force transition piece 8 drives again force application rod
Assembly 2 moves downward, and the force crossbeam 9 in force application rod assembly 2 is with by the drop-down vehicle of reinforcing bar 12
Chassis, to realize the loading to vehicle chassis, and by controlling the flexible of the first linear actuator 19
Amount carrys out the size of controlled loading amount.
Last it is noted that above example is only in order to illustrate technical scheme, rather than right
It limits；Although the present invention being described in detail with reference to previous embodiment, this area common
Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be repaiied by it
Change, or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, not
The essence making appropriate technical solution departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. the method for a vehicle chassis test loading force, it is characterised in that
One of them in two opposing application points of the first linear actuator is connected to be tested
On the point of application on chassis, another application point is connected to fixing component, by controlling the first linear drives
The elongation of device increases the stress on the described point of application；
The lower section of described first linear actuator connects has the second linear actuator, described first straight line to drive
Move the device end close to each other with described second linear actuator and be connected to by force application rod assembly described
The point of application, the end that described first linear actuator and described second linear actuator mutually deviate from is respectively
It is connected to fixing component；By controlling elongating or shortening of the first control linear actuator, corresponding control
Contraction or the elongation of making the second linear actuator correspondingly increase or reduce being subject on the described point of application
Power.
The method of vehicle chassis test loading force the most according to claim 1, its feature exists
In, described first linear actuator and described second linear actuator be air spring, hydraulic cylinder,
Any one in pneumatic cylinder and electric pushrod.
The method of vehicle chassis test loading force the most according to claim 1, its feature exists
In, described fixing component is force-applying piece fixing body, has force body and install in described force-applying piece fixing body
Chamber, described first linear actuator is arranged in described force body installation cavity, described first linear drives
One end of device is connected with described force-applying piece fixing body, and the other end of described first linear actuator is for even
It is connected to the described point of application.
The method of vehicle chassis test loading force the most according to claim 3, its feature exists
In, described force-applying piece fixing body includes the housing with opening, and the opening part at housing fixes connection one
Individual cover plate, the described first linear actuator end close to each other with described second linear actuator is connected
On same force transition piece, the sidewall of described housing being provided with groove, described force transition piece is sliding
Moving and be threaded onto in described groove, described force application rod assembly is connected with described force transition piece.
The method of vehicle chassis test loading force the most according to claim 4, its feature exists
In, described housing is cylindrical shell.
6., according to the method for the vehicle chassis test loading force described in claim 4 or 5, it is special
Levying and be, be provided with guide post in described force body installation cavity, described guide post is along described first straight line
Driver force direction extends, and described force transition piece is provided with guide with described guide post and coordinates
Pilot hole.
7. according to the method for the arbitrary described vehicle chassis test loading force of claim 2-4, its
Being characterised by, described force application rod assembly includes the crossbeam that exerts a force, and the two ends of described force crossbeam are respectively connected with
Pull bar, one end of described pull bar is connected with described force crossbeam, the other end connects with described force transition piece
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210418925.9A CN103792092B (en) | 2012-10-26 | 2012-10-26 | The method of vehicle chassis test loading force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210418925.9A CN103792092B (en) | 2012-10-26 | 2012-10-26 | The method of vehicle chassis test loading force |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103792092A CN103792092A (en) | 2014-05-14 |
| CN103792092B true CN103792092B (en) | 2016-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210418925.9A Active CN103792092B (en) | 2012-10-26 | 2012-10-26 | The method of vehicle chassis test loading force |
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| Country | Link |
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| CN (1) | CN103792092B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111735617A (en) * | 2020-06-03 | 2020-10-02 | 拾音汽车科技（上海）有限公司 | Chassis attachment point force test bench |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2743819Y (en) * | 2004-11-24 | 2005-11-30 | 上海大众汽车有限公司 | Automobile chassis road imitation tester |
| CN201083569Y (en) * | 2007-10-13 | 2008-07-09 | 周速帆 | Motorcar chassis dynamometer machine dedicated high pressure heavy loading rapid elevating aerostat |
| CN201600249U (en) * | 2009-11-26 | 2010-10-06 | 洛阳轴研科技股份有限公司 | Automotive suspension simulating tester |
| CN102539167A (en) * | 2010-12-07 | 2012-07-04 | 江苏明星减震器有限公司 | Performance test table for rear shock absorber |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4600934B2 (en) * | 2006-04-28 | 2010-12-22 | 株式会社エー・アンド・デイ | Chassis dynamometer |
| JP5179320B2 (en) * | 2008-11-06 | 2013-04-10 | 株式会社小野測器 | Vehicle fixing device |
-
2012
- 2012-10-26 CN CN201210418925.9A patent/CN103792092B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2743819Y (en) * | 2004-11-24 | 2005-11-30 | 上海大众汽车有限公司 | Automobile chassis road imitation tester |
| CN201083569Y (en) * | 2007-10-13 | 2008-07-09 | 周速帆 | Motorcar chassis dynamometer machine dedicated high pressure heavy loading rapid elevating aerostat |
| CN201600249U (en) * | 2009-11-26 | 2010-10-06 | 洛阳轴研科技股份有限公司 | Automotive suspension simulating tester |
| CN102539167A (en) * | 2010-12-07 | 2012-07-04 | 江苏明星减震器有限公司 | Performance test table for rear shock absorber |
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| Publication number | Publication date |
|---|---|
| CN103792092A (en) | 2014-05-14 |
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Address after: 101102, Tongzhou District Jinqiao Science and technology industrial base, Beijing, No. 20, King Sheng Street Applicant after: Beijing brocade test system Limited by Share Ltd Address before: 100000, Beijing, Tongzhou District, Majuqiao Sheng Wang street, No. 20 Applicant before: Beijing BBK Testing Systems Co., Ltd. |
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