CN107246971A - A kind of suspension system test equipment - Google Patents
A kind of suspension system test equipment Download PDFInfo
- Publication number
- CN107246971A CN107246971A CN201710451196.XA CN201710451196A CN107246971A CN 107246971 A CN107246971 A CN 107246971A CN 201710451196 A CN201710451196 A CN 201710451196A CN 107246971 A CN107246971 A CN 107246971A
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- CN
- China
- Prior art keywords
- vehicle frame
- underframe
- suspension system
- center rest
- test equipment
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/04—Suspension or damping
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present invention relates to a kind of suspension system test equipment, including underframe, vehicle frame, exciting device and multigroup suspension cylinder；The exciting device and the suspension cylinder are mounted on the underframe and act on the vehicle frame；Also include center rest assembly, the center rest assembly includes the first installed part, the second installed part and anti-torsional stabilizer bar；First installed part is movably installed on the second installed part, and can be relative to second installed part direction movement along a straight line；First installed part is fixed on the underframe, and second installed part is installed on the vehicle frame by the first joint coupling；Also include an anti-torsional stabilizer bar, the anti-torsional stabilizer bar is installed on the vehicle frame by the second joint coupling, and then the anti-torsional stabilizer bar is articulated on underframe, the anti-torsional stabilizer bar is the telescopic bar of a length.
Description
Technical field
The invention belongs to vehicle equipment technical field, and in particular to a kind of suspension system test equipment.
Background technology
Suspension system is the general name of all force transmission connections between vehicle frame and vehicle bridge, plays buffering, damping, the work being oriented to
With.Suspension system has conclusive influence for the steering of vehicle, control stability, ride comfort and riding comfort etc.,
It is indispensable part in vehicle.As heavy construction, special vehicle are to requirements such as bearing capacity and cross-country abilitys
Constantly lifting, hydro pneumatic suspension meets the requirement of a variety of vehicles, therefore oil gas hanging with superior nonlinear characteristic and damping property
Frame system, as one of big key technology of multi-axle heavy type vehicle chassis two, is to ensure multi-shaft steering vehicle while having good behaviour
The important topic of handing stability and ride performance.
Research both at home and abroad on hydro pneumatic suspension is a lot, but is concentrated mainly on hydro-pneumatic suspension system to the influence of vehicle ride comfort
Research, the research influenceed for hydro-pneumatic suspension system on steering behaviour is on the low side, and for ride comfort and the synthesis of steering behaviour
Optimizing research is more short of.Therefore, comprehensive analyzing oil and gas suspension system to the ride comfort of vehicle, handling stability, the pendulum that contends with, anti-bow
The research for the characteristic influence such as facing upward is particularly important.
For the problem, inventor is public in open (bulletin) number CN105510059A invention patent application case
A kind of hydro pneumatic suspension test equipment, including underframe, some exciting devices, single bridge vehicle frame, vehicle frame connecting rod, lateral stability are opened
Bar, mounting rod and pneumatic cylinder；Some exciting devices are installed on underframe, and every two exciting device constitutes one group of vibrating shaft,
Some groups of vibrating shafts are spaced along the length direction of underframe, width of two exciting devices in every group of vibrating shaft along underframe
It is spaced apart；The rod end of each exciting device is hinged with a pneumatic cylinder, every group of vibrating shaft two pneumatic cylinders of correspondence, each
The upper end ball-and-socket hinge style connection of the two ends of single bridge vehicle frame pneumatic cylinder corresponding with one group of vibrating shaft respectively；The single bridge car of adjacent two
Between be connected with vehicle frame connecting rod；The wherein cylinder rod of an exciting device of every group of vibrating shaft and one end ball pivot of a QS
Formula is connected, and the other end of QS is connected with the lower end ball-and-socket hinge style of a mounting rod, and the upper end of mounting rod is installed on correspondence one
The middle part of single bridge vehicle frame.
However, this kind of hydro pneumatic suspension test equipment, is tested in inclination, pitching and the vertical property for carrying out suspension
During, the motion and stress that the center rest assembly of use can be to suspension cause certain interference, and vehicle frame turns
Dynamic center can be moved with the deformation of suspension cylinder, it is difficult to its position accurately be determined, so as to influence the inclination and pitching of suspension cylinder
The analysis of characteristic.
The content of the invention
The present invention is intended to provide a kind of suspension system test equipment, to solve existing Vehicular turn process hydro-pneumatic suspension system
The problem of simulation accuracy is low.
Concrete scheme is as follows：A kind of suspension system test equipment, including underframe, vehicle frame, exciting device and multigroup suspension
Cylinder；The exciting device and the suspension cylinder are mounted on the underframe and act on the vehicle frame；Also include center rest assembly, should
Center rest includes the first installed part, the second installed part and anti-torsional stabilizer bar；First installed part is movably installed in second
On installed part, and can be relative to second installed part direction movement along a straight line；First installed part is fixed on the underframe, and this
Two installed parts are installed on the vehicle frame by the first joint coupling；The anti-torsional stabilizer bar is installed by the second joint coupling
In on the vehicle frame, then the anti-torsional stabilizer bar is articulated on vehicle frame, and the anti-torsional stabilizer bar is the telescopic bar of a length.
Further, first, second installed part is located between the underframe and vehicle frame, and second installed part is a guiding
Stabiliser bar, first installed part is a center rest；The bottom of the center rest is fixed on the underframe, and top is inserted provided with one
Hole；One end of the guiding stabiliser bar is installed on vehicle frame by first joint coupling, and the other end is inserted in the jack, with
Form a cylindrical slid pair.
Further, the anti-torsional stabilizer bar is two, and second joint coupling is also two；The two anti-torsional stabilizers
Bar branch is located at the both sides of the center rest；In one end pivot joint of each anti-torsional stabilizer bar and the center rest, the other end
By 1, second joint coupling is installed on vehicle frame.
Further, first, second joint coupling is ball hinge connector.
Further, the anti-torsional stabilizer bar includes inner shaft lever and outer loop bar, and the inner shaft lever is inserted in the outer loop bar,
Set so that the length for realizing the anti-torsional stabilizer bar is scalable.
Further, each suspension cylinder of correspondence is equipped with a leading screw slide unit track on the underframe；The two ends of the suspension cylinder point
The leading screw slide unit track is not connected to on the vehicle frame, being hanged to be adjusted by the leading screw slide unit track by the 3rd joint coupling
The angle of cylinder axis direction and vertical direction is hung, and then analyzes the characteristic of different conditions lower suspension system.
Further, in addition to fixed support；Each exciting device correspondence is installed on the leading screw slide unit track, and
The rod end of each exciting device and the universal connection of the suspension cylinder, so that the suspension cylinder is installed on the silk by the exciting device
On thick stick slide unit track；The fixed support, and the support bracket fastened top are separately installed with remaining all leading screw slide unit track
Correspondence is universal to be connected with the suspension cylinder.
Further, every two exciting device constitutes one group of vibrating shaft, length direction interval of some groups of vibrating shafts along underframe
Arrangement；Two exciting devices in every group of vibrating shaft are spaced apart along the width of underframe, and located at the center rest assembly
Both sides.
Further, in addition to counterweight loading device, the counterweight loading device can be fixed on the different positions of vehicle frame by screw rod
Put, to simulate and test the characteristic of the pneumatic cylinder under the different situations such as vertical, pitching, inclination.
The present invention, sets a universal connection by the guiding stabiliser bar in center rest assembly and vehicle frame junction, leads
It can move up and down, so as to ensure that vehicle frame can be moved up and down, but can not be produced along guide pin bushing/jack of center rest to stabiliser bar
The movement of after before death and left and right；In addition, vehicle frame can be rolled and pitching around the ball pivot for being oriented to stabiliser bar and vehicle frame
Motion, so as to eliminate interference and vehicle body center of rotation that center rest assembly during vehicle frame inclination or pitching is caused to it
It is continually changing, the problems such as hardly possible is determined.
Brief description of the drawings
Fig. 1 shows front view of the embodiment of the present invention；
Fig. 2 shows side view of the embodiment of the present invention.
Embodiment
To further illustrate each embodiment, the present invention is provided with accompanying drawing.These accompanying drawings are the invention discloses the one of content
Point, it is mainly to illustrate embodiment, and can coordinate the associated description of specification to explain the operation principles of embodiment.Coordinate ginseng
These contents are examined, those of ordinary skill in the art will be understood that other possible embodiments and advantages of the present invention.In figure
Component be not necessarily to scale, and similar element numbers are conventionally used to indicate similar component.
In conjunction with the drawings and specific embodiments, the present invention is further described.
With reference to shown in Fig. 1 and Fig. 2, a kind of suspension system test equipment is this embodiment disclose, it includes underframe 1, vehicle frame
5th, center rest assembly 7, exciting device 4 and multigroup suspension cylinder 6, in this embodiment, suspension cylinder 6 has 6 groups, exciting device 4
For exciting oil cylinder, it has two groups.The vehicle frame 5 is located at the top of underframe 1, the center rest assembly 7, exciting device 4 and multigroup
Suspension cylinder 6 is located between vehicle frame 5 and underframe 1, and connects the vehicle frame 5 and underframe 1 respectively, realizes the installation of vehicle frame 5.
Specifically, underframe 1 is to be bolted the rectangular frame being built into by polylith I-steel, it is positioned over flatly
On face, the fixed support for whole experiment porch；The side each suspension cylinder 6 of correspondence on the underframe 1 close to vehicle frame 5 is equipped with
One leading screw slide unit track 2：The leading screw slide unit track 2 has 6 groups, and it is divided into two row, and the leading screw slide unit track 2 of each row is mutually flat
OK, the mirror image of two row leading screw slide unit track 2 is uniformly installed on underframe 1.
Two mirror images of exciting device 4 set to constitute one group of vibrating shaft, and two 4 point half of exciting devices are installed on and are located at
On the leading screw slide unit track 2 of the both sides of center rest assembly 7, and it can be moved along the leading screw slide unit track 2；Each exciting device 4
Top rod end and a universal connection of the suspension cylinder 6, and then realize the suspension cylinder 6 silk be installed on by the exciting device 4
On thick stick slide unit track 2 and regulation can be moved along the leading screw slide unit track 2.Specifically, the two ends of the suspension cylinder 6 are connected to
Three joint couplings 61, and be connected to by the 3rd joint coupling 61 on the leading screw slide unit track 2 and the vehicle frame 5, to pass through
The leading screw slide unit track 2 adjusts the angle of the axis direction of suspension cylinder 6 and vertical direction, and then analyzes different conditions lower suspension system
Characteristic.
To realize the levelling of all low sides of suspension cylinder 6, it is all remaining the leading screw slide unit track 2 of exciting device 4 is not installed, i.e.,
One and the isometric fixed support 3 of the exciting device 4 are separately installed with remaining four groups of leading screw slide unit track 2, then each this is consolidated
The top of fixed rack 3, which is corresponded to, universal is connected with the suspension cylinder 6.
It is understood that in this embodiment, exciting device axle has two groups, and in other embodiments, group
Vibrating shaft can also have multigroup, and it is spaced along the length direction of underframe；Two exciting devices in every group of vibrating shaft are the bottom of along
The width of frame is spaced apart, and located at the both sides of the center rest assembly 7；Likewise, exciting device can also directly pacify
Loaded on underframe, vehicle frame is equally may act on, exciting is realized.
In conjunction with Fig. 1 and Fig. 2, the center rest assembly 7 in the embodiment, include one be installed on underframe 1 and vehicle frame 5 it
Between cylindrical slid pair：Specifically, the center rest assembly 7 include as the first installed part center rest 71, be used as second
The guiding stabiliser bar 72 of installed part, while the opposite sides of center rest 71 further respectively has an anti-torsional stabilizer bar 8.
The center rest 71 and guiding stabiliser bar 72 are located between the underframe 1 and vehicle frame 5, and are respectively arranged in the underframe
1 with vehicle frame 5 on：The bottom of the center rest 71 is fixed on the underframe 1, and its top is protruded out towards vehicle frame 5, and top is offered
The jack of one insertion；One end of the guiding stabiliser bar 72 is installed on vehicle frame 5 by first joint coupling 721, the other end
Extend and be inserted in the jack on the top of center rest 71 towards center rest 71, to form a cylindrical slid pair, make stabilization
Guide rod 72 is moved relative to center rest 71 along the axis direction of jack.
One end of the anti-torsional stabilizer bar 8 is pivotally mounted on center rest 71, to be connected by the center rest 71
It is connected on underframe, then the other end is connected and installed on the vehicle frame 5 by the way that the second joint coupling 81 is universal.To realize optimization
Anti- torsion effect, the anti-torsional stabilizer bar 8 is two, and second joint coupling 81 is also two；The two anti-torsional stabilizer bars 8
Branch is located at the both sides of the center rest 71；One end of each anti-torsional stabilizer bar 8 is articulated on the center rest 71, another
End is installed on vehicle frame by second joint coupling 81.
The anti-torsional stabilizer bar 8 is the telescopic bar of a length；The anti-torsional stabilizer bar 8 includes inner shaft lever 82 and overcoat
Bar 83, the inner shaft lever 82 is inserted in the outer loop bar 83, is set so that the length for realizing the anti-torsional stabilizer bar 8 is scalable.
Wherein, in this embodiment, this first, second and the 3rd joint coupling 721,81,61 be ball pivot connection
Device；To realize the Inclination maneuver of vehicle frame 5, counterweight loading device 51 is additionally provided with the vehicle frame 5, the counterweight loading device 51 passes through spiral shell
Bar can be fixed on the diverse location of vehicle frame 5, to simulate and test the pneumatic cylinder under the different situations such as vertical, pitching, inclination
Characteristic.
The major advantage of the embodiment is：
In the embodiment, a ball pivot is set by the guiding stabiliser bar 72 in center rest assembly 7 and the junction of vehicle frame 5
Connector, be oriented to stabiliser bar 72 can be moved up and down along the through hole of center rest 71 so that ensure vehicle frame 5 can on move down
It is dynamic, but front and rear and left and right movement can not be produced；In addition, vehicle frame 5 can be around the ball pivot for being oriented to stabiliser bar 72 and vehicle frame 5
Connector is rolled and elevating movement, thus eliminate vehicle frame 5 roll or pitching during center rest assembly 7 it is caused
Interference and vehicle body center of rotation be continually changing, hardly possible determine the problems such as.
In order to prevent experimental bench is produced from being rotated around the vertical axis for being oriented to stabiliser bar 72, i.e. vehicle frame, on center rest assembly 7
A set of anti-torsional stabilizer bar 8 is further fixed on, is limited by the turning joint of anti-torsional stabilizer bar 8 and center rest 71 junction
The rotation of vehicle frame 5 processed in the horizontal plane.
Relative to early stage, vibration-exciting hydraulic cylinder is arranged on leading screw slide unit track 2 by scheme this programme, by rotating hand
Handle, drives leading screw to rotate, so that vibration-exciting hydraulic cylinder carries out left and right movement, so as to realize the tilt adjustment of suspension cylinder 6, has
Conveniently advantage.
Although specifically showing and describing the present invention with reference to preferred embodiment, those skilled in the art should be bright
In vain, do not departing from the spirit and scope of the present invention that appended claims are limited, in the form and details can be right
The present invention makes a variety of changes, and is protection scope of the present invention.
Claims (10)
1. a kind of suspension system test equipment, including underframe, vehicle frame, exciting device and multigroup suspension cylinder；The exciting device with
And the suspension cylinder is mounted on the underframe and acts on the vehicle frame；It is characterized in that：
Also include center rest assembly, the center rest assembly is installed on the underframe, and by the first joint coupling with being somebody's turn to do
The universal connection of vehicle frame；
The center rest assembly also includes an anti-torsional stabilizer bar, and the anti-torsional stabilizer bar is installed by the second joint coupling
In on the vehicle frame, then the anti-torsional stabilizer bar is articulated on underframe, and the anti-torsional stabilizer bar is the telescopic bar of a length.
2. suspension system test equipment according to claim 1, it is characterised in that：The center rest assembly includes the first peace
Piece installing and the second installed part；First installed part is movably installed on the second installed part, and can be with respect to the second installed part edge
One rectilinear direction is moved；First installed part is fixed on the underframe, and second installed part is pacified by first joint coupling
Loaded on the vehicle frame.
3. suspension system test equipment according to claim 2, it is characterised in that：First, second installed part is located at
Between the underframe and vehicle frame, second installed part is a guiding stabiliser bar, and first installed part is a center rest；
The bottom of the center rest is fixed on the underframe, and top is provided with a jack；One end of the guiding stabiliser bar by this
One joint coupling is installed on vehicle frame, and the other end is inserted in the jack, to form a cylindrical slid pair.
4. suspension system test equipment according to claim 3, it is characterised in that：The anti-torsional stabilizer bar is two, should
Second joint coupling is also two；
The two anti-torsional stabilizer bars are respectively arranged on the both sides of the center rest；One end pivot joint of each anti-torsional stabilizer bar is with being somebody's turn to do
On center rest, the other end is installed on vehicle frame by second joint coupling.
5. the suspension system test equipment according to claim 1 or 2 or 3 or 4, it is characterised in that：This is first, second universal
Connector is ball hinge connector.
6. the suspension system test equipment according to claim 1 or 2 or 3 or 4, it is characterised in that：The anti-torsional stabilizer bar
Including inner shaft lever and outer loop bar, the inner shaft lever is inserted in the outer loop bar, can be stretched with the length for realizing the anti-torsional stabilizer bar
Contracting is set.
7. the suspension system test equipment according to claim 1 or 2 or 3 or 4, it is characterised in that：Correspondence is every on the underframe
One suspension cylinder is equipped with a leading screw slide unit track；The two ends of the suspension cylinder are connected to the leading screw by the 3rd joint coupling respectively
Slide unit track is with the vehicle frame, to adjust the angle of suspension cylinder axis direction and vertical direction by the leading screw slide unit track, entering
And analyze the characteristic of different conditions lower suspension system.
8. suspension system test equipment according to claim 7, it is characterised in that：Also include fixed support；
Each exciting device correspondence is installed on the leading screw slide unit track, and the rod end of each exciting device with one this is outstanding
The universal connection of cylinder is hung, so that the suspension cylinder is installed on the leading screw slide unit track by the exciting device；
The fixed support, and the universal connection in the support bracket fastened top are separately installed with remaining all leading screw slide unit track
There is the corresponding suspension cylinder.
9. suspension system test equipment according to claim 8, it is characterised in that：Every two exciting device constitutes one group of exciting
Axle, some groups of vibrating shafts are spaced along the length direction of underframe；Width of two exciting devices along underframe in every group of vibrating shaft
Direction is spaced apart, and located at the both sides of the center rest assembly.
10. the suspension system test equipment according to claim 1 or 2 or 3 or 4, it is characterised in that：Also include with reloading
Device, the counterweight loading device can be fixed on vehicle frame diverse location by screw rod, to simulate and test in vertical, pitching, inclination
Etc. the characteristic of pneumatic cylinder under different situations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710451196.XA CN107246971A (en) | 2017-06-15 | 2017-06-15 | A kind of suspension system test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710451196.XA CN107246971A (en) | 2017-06-15 | 2017-06-15 | A kind of suspension system test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107246971A true CN107246971A (en) | 2017-10-13 |
Family
ID=60019265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710451196.XA Pending CN107246971A (en) | 2017-06-15 | 2017-06-15 | A kind of suspension system test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107246971A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019109324A1 (en) * | 2017-12-08 | 2019-06-13 | 集美大学 | Suspension system testing apparatus |
| CN110132580A (en) * | 2019-05-30 | 2019-08-16 | 中国人民解放军陆军军事交通学院 | A kind of car transmissions fault detection means |
| CN115979682A (en) * | 2023-03-21 | 2023-04-18 | 山东福阳液压科技有限公司 | Oil gas suspension test system |
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| JP2003302313A (en) * | 2002-04-10 | 2003-10-24 | Saginomiya Seisakusho Inc | Apparatus for loading spindle of vehicle with weight |
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| CN115979682A (en) * | 2023-03-21 | 2023-04-18 | 山东福阳液压科技有限公司 | Oil gas suspension test system |
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Application publication date: 20171013 |