CN103698135B - A kind of front damper of motorcycle Static load characteristics experimental rig - Google Patents
A kind of front damper of motorcycle Static load characteristics experimental rig Download PDFInfo
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- CN103698135B CN103698135B CN201310690375.0A CN201310690375A CN103698135B CN 103698135 B CN103698135 B CN 103698135B CN 201310690375 A CN201310690375 A CN 201310690375A CN 103698135 B CN103698135 B CN 103698135B
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Abstract
A kind of front damper of motorcycle Static load characteristics experimental rig, comprises separation up and down and off-axis is settled mutually upper clamping device and lower drive unit, and described upper clamping device comprises support, is connected with lower platform on support; On lower platform, be provided with successively track base from bottom to top, line slideway and the upper slide unit that can move left and right; Pin bearing one pin before and after the upper slide unit left side is connected with the installing plate of tiltably-mounted; The identical clamp mechanism of two covers that on installing plate lateral surface, coaxial line is isolated before and after being connected with; The adjustable supporting lever pin that front and back pins bearing two and the lower end on the right is provided with straight trough connects, and the upper end of adjustable pole and installing plate pin joint form " △ " shape supporting structure of adjustable interior angle size; Described lower drive unit comprises driving mechanism and the power sensor being connected with driving mechanism successively and application of force key seat, and power sensor upper surface is also connected with displacement transducer. The present invention is simple in structure, and mounted angle is easy to adjust, meets the damper Static load characteristics test requirements document of correlation standard.
Description
Technical field
The invention belongs to properties of product test and experimental technique field, relate to a kind of Static load characteristics experimental rig, especially relate to a kind of front damper of motorcycle Static load characteristics experimental rig.
Background technology
Damper is as the critical component in driving vehicle, and comfortableness, security and maneuverability to driving vehicle have important function. the object of Static load characteristics (StaticLoadCharacteristics) test is test damper other stiction except damping force, Static load characteristics comprises the stiction between the inner relative motion part of damper, the resistance of air chamber Volume Changes and owing to tilting to install the additional friction resistance etc. that (especially front damper) stress deformation produces, it is the dimensioned precision of damper inner body, geometrical precision, the rigidity of structure, the strength of materials, quality of fit, the comprehensive embodiment of the influence factors such as assembly quality, and directly related with wear resistance and the service life of damper. static load resistance is crossed senior general and has a strong impact on the service life of damper. the motorcycle output of China is sure to occupy the first in the world already, but mainly taking low side and middle and low-end market as main. , restricting product and improving quality and class owing to lacking means and the test method of quality testing as the damper of the important auxiliary equipment of motorcycle. the output of current domestic motorcycle is subject to big city and limits the compacting rubbing with Development of E-bike, be faced with difficult challenge and the opportunity that makes the transition, following motorcycle will be from the means of transport of riding instead of walk to amusement, leisure and motion transition, and this will the comfortableness to damper, security and proposes higher requirement service life.
People's Republic of China's automobile industry standard " motorcycle and trail bike damper " of implementing on September 1st, 2007 (QC/T62-2007) has substituted former " motorcycle vibration absorber technical conditions " (QC/T62-1993) and " motorcycle vibration absorber test method " (QC/T63-1993) two standards, QC/T62-2007 standard has increased 6 damper pilot projects newly, comprising stiction and Static load characteristics. In QC/T62-2007 version standard, stiction is defined as " damper mounting condition in accordance with regulations, to be not more than 0.005m/s speed, when relative motion is done at two ends, at the frictional resistance of midstroke generation ". Static load characteristics is defined as " damper stroke in accordance with regulations, to be not more than 0.0015m/s speed, when relative motion is done at two ends, its load and the relation curve of displacement ". No matter stiction test all needs to remove damping spring for front damper and rear shock absorber, vertically installs, and one end drives, and to specify the stiction value of an oscillation cycle of test trip record, and is defined as stiction with midstroke frictional force. During due to test, with very low speed drive damper one end, can get rid of the damping force being directly proportional to speed. Static load characteristics is tested except actuating speed is lower, because front wheel damper and rear wheel shock-absorbing device exist larger difference in physical dimension, bearing capacity, spring fitting mode etc., the mounted angle of front damper on motorcycle is significantly greater than rear shock absorber, physical dimension and stroke are longer, front damper load bearing requirements is obviously little than rear shock absorber, and the damping spring of front damper is generally built-in, inconvenience dismounting, and the damping spring of rear shock absorber is generally external, easily dismounting. Although standard (QC/T62-2007) has proposed pilot project and the conventional method of damper Static load characteristics, but in standard, clearly do not provide specific implementation method and the concrete installation requirement of the test of damper Static load characteristics, and these standard voluntary standards, current domestic motorcycle vibration absorber manufacturer not yet implements Static load characteristics pilot project. Therefore be necessary that establishing criteria designs the concrete test method and the experimental rig that meet standard-required, this pilot project implemented as early as possible, to improve quality and the class of China's motorcycle vibration absorber in damper manufacturing enterprise.
The damper testing stand that the damper testing stand that external famous testing machine manufacturer produces is sold as American MTS company, servo apply hydraulic pressure hydraulic oil cylinder driving, can carry out the test that damper shows the projects such as merit characteristic, stiction characteristic, spring static characteristic, there is certain versatility, but can not carry out Static load characteristics test, especially for the Static load characteristics of front damper, because installation form is different with sensing station, need install special clamping mechanism additional, the more difficult test that realizes damper Static load characteristics.
The damper performance comprehensive testing platform of developing on patent of invention " impact test method for restoration characteristics of motorcycle front suspension " basis (ZL200910031324.0), except carrying out the test of the dynamic restoration characteristics of front damper, also can test front damper Static load characteristics, but owing to adopting pulling drive mode, the dynamic change in damper compression and recuperation of stay cord and front damper mounted angle, produces certain influence to measuring accuracy.
The application will propose a kind of special theory structure that is applicable to the test method of front damper of motorcycle Static load characteristics and provides experimental rig, to promotion and implementation Static load characteristics, test provides guidance and foundation.
Summary of the invention
The present invention seeks to the test requirements document for damper Static load characteristics, propose a kind of front damper Static load characteristics experimental rig.
For reaching above-mentioned technical purpose, the technical solution adopted in the present invention is:
A kind of front damper of motorcycle Static load characteristics experimental rig, comprises separation up and down and off-axis is settled mutually upper clamping device and lower drive unit, and wherein said upper clamping device comprises support 14, is connected with adjustable lower platform 13 on described support 14; On described lower platform 13, be provided with successively track base 11 from bottom to top, line slideway 12 and can move left and right the upper slide unit 10 being connected with line slideway 12; The front and back on described upper slide unit 10 left sides are connected with respectively pin bearing one 10a, and the front and back on the right are connected with respectively pin bearing two 10b; Described pin bearing one 10a connects the installing plate 7 of tiltably-mounted by the pin-and-hole pin being provided with; The identical clamp mechanism 6 of two covers of isolation before and after the upper coaxial line of described installing plate 7 outside installed surface 7a is connected with; Described pin bearing two 10b are provided with adjustable pole 8 pin joints of one section of straight trough 8a by pin joint screw 9 and lower end, the upper end of described adjustable pole 8, by the pin-and-hole and described installing plate 7 pin joints that are provided with, forms " △ " shape supporting structure of adjustable interior angle size; Described lower drive unit comprises tache motorice upward, the driving mechanism 1 of vertically settling and successively with driving mechanism 1
The power sensor 3 that tache motorice is connected and for the application of force key seat 4 of pin joint front damper 5, described power sensor 3 upper surfaces also with mobile terminal upward, the displacement transducer 2 of vertically settling is connected.
Clamp mechanism 6 described above, for establishing round-meshed rectangular block shape body, is crossed center of circular hole and is axially dissectd into upper and lower two parts, and the semicircle orifice that dissects upper back and bottom is slightly less than semicircle, and top is provided with screw with bottom and is connected. In the circular hole of described clamp mechanism 6, be also provided with subdivision chuck 6a. Described clamp mechanism 6 is connected with installing plate 7, is to be provided with some groups of through holes or the segmentation straight trough hole for adjusting and change clamp mechanism 6 installation site on installing plate 7 at installing plate 7 installed surface 7a. Described some groups of through holes or segmentation straight trough hole are horizontal 2 Kong Weiyi groups side by side, and longitudinal arrangement is some groups.
Driving mechanism 1 described above is hydraulic servo oil cylinder or motor-driven speed reducing machinery transmission mechanism.
Pin joint screw 9 described above comprises one section of screw thread and one section of bearing pin, bearing pin section respectively with pin bearing two 10b on pin-and-hole, adjustable pole 8 lower ends pin-and-hole and straight trough 8a is sliding joins, by adjusting two adjustable poles 8 to suitable position and fastening pin joint screw 9, can make " △ " shape support reach required angle.
Line slideway 12 described above is to extend along left and right, 2 guide rails that front and back are parallel.
Between lower platform 13 described above and support 14, be also provided with position adjusting mechanism, on wherein said support 14, plane layout has about two the T-slot 14a that connect, the corresponding T-slot 14a of described lower platform 13 equalization is provided with some through holes, the adjusting that realizes lower platform 13 and support 14 positions, left and right by T-nut 15 be fixedly connected with.
Advantage and the beneficial effect of front damper of motorcycle Static load characteristics experimental rig of the present invention mainly contain:
1, can be adjusted 25-45 ° of scope by the mounted angle α of subjects front damper 5, in process of the test, α remains unchanged, if the F reaction force that front damper 5 applies power sensor 3 during for driving mechanism 1 vertical lifting (compression travel), it can be decomposed into component F vertically downwardyWith horizontal component Fx; The reaction force that when if F ' vertically declines (recovery stroke) for driving mechanism 1, front damper 5 applies power sensor 3, corresponding component is vertically downward Fy', horizontal component is Fx '. F-F ' is static load resistance; Along the component F of socket 5a vertical directionySin α and Fy' Sin α is respectively front damper 5 in compression and restores stroke suffered side force.
2, the present invention is according to (QC/T62-2007) newly-increased motorcycle vibration absorber " Static load characteristics test " pilot project of People's Republic of China's automobile industry standard " motorcycle and trail bike damper ", for front damper of motorcycle length dimension and length and the built-in feature of spring of distance of relative movement, a kind of Static load characteristics experimental rig identical with front damper actual installation inclination angle on motorcycle proposed.
3, the present invention has met the damper Static load characteristics test requirements document of correlation standard, have simple in structure, mounted angle is easy to adjust, adopt the vertical application of force in lower end, it is constant that application of force direction and damper mounted angle keep, and nature applies side force to damper, and test method is reasonable, start to obtain practical application, and there is the good prospect of applying.
Brief description of the drawings
Accompanying drawing 1 is experimental rig structure diagram of the present invention (compression travel);
Accompanying drawing 2 is experimental rig structure diagram of the present invention (recovery stroke);
Accompanying drawing 3 is experimental rig structure diagram of the present invention (after setting angle adjustment);
A-A cutaway view that accompanying drawing 4 is Fig. 1;
Accompanying drawing 5 is experimental rig Static load characteristics measured curve figure of the present invention.
In figure: 1, driving mechanism, 2, displacement transducer, 3, power sensor, 4, key seat is installed, 5, front damper, 5a, socket, 5b, piston tube, 6, clamp mechanism, 6a, subdivision chuck, 7, installing plate, 7a, installed surface, 8, adjustable pole, 8a, straight trough, 9, pin joint screw, 10, upper slide unit, 10a, pin bearing one, 10b, pin bearing two, 11, track base, 12, line slideway, 13, lower platform, 14, support, 14a, T-slot, 15, T-nut.
Detailed description of the invention
Taking the front damper of motorcycle Static load characteristics experimental rig of invention as embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is further described in detail below.
As shown in Figure 1, Figure 2 and Figure 3, for the experimental rig structure diagram of invention, Fig. 1 is compression travel, and Fig. 2 is for restoring stroke, Fig. 3 is that after setting angle is adjusted, it has been expressed front damper 5 is carried out to the test method of Static load characteristics test and the implementation structure principle of experimental rig. The Static load characteristics of front damper 5 is tested inclination angle in accordance with regulations and is installed, and does not need to remove spring, when test due to mounted angle α there is driving mechanism 1 vertical lift time front damper 5 has been applied to side force.
Front damper of motorcycle Static load characteristics experimental rig of the present invention, comprise separation up and down and off-axis is settled mutually upper clamping device and lower drive unit, wherein said upper clamping device comprises support 14, is connected with adjustable lower platform 13 on described support 14; On described lower platform 13, be provided with successively track base 11 from bottom to top, line slideway 12 and can move left and right the upper slide unit 10 being connected with line slideway 12; The front and back on described upper slide unit 10 left sides are connected with respectively pin bearing one 10a, and the front and back on the right are connected with respectively pin bearing two 10b; Described pin bearing one 10a connects the installing plate 7 of tiltably-mounted by the pin-and-hole pin being provided with; The identical clamp mechanism 6 of two covers of isolation before and after the upper coaxial line of described installing plate 7 outside installed surface 7a is connected with; Described pin bearing two 10b are provided with adjustable pole 8 pin joints of one section of straight trough 8a by pin joint screw 9 and lower end, the upper end of described adjustable pole 8, by the pin-and-hole and described installing plate 7 pin joints that are provided with, forms " △ " shape supporting structure of adjustable interior angle size; Described lower drive unit comprises that tache motorice upward, the driving mechanism 1 of vertically settling and the power sensor 3 being connected with driving mechanism 1 tache motorice successively and for the application of force key seat 4 of pin joint front damper 5, described power sensor 3 upper surfaces also with mobile terminal upward, the displacement transducer 2 of vertically settling is connected.
Driving mechanism 1 in experimental rig of the present invention provides the driving of low speed vertical up-or-down movement, and servo apply hydraulic pressure oil cylinder or motor-driven reduction of speed mechanical transmission mechanism are realized, and need meet the requirement of " to be not more than 0.0015m/s speed " of standard regulation. Therefore, driving mechanism 1 must be avoided occurring low speed jerking motion phenomenon, reaches the required low speed motion stability requirement of test. Displacement transducer 2 is connected with the motion parts of driving mechanism 1, synchronously moves up and down with driving mechanism 1, and process of the test real-time displacement signal is provided. Power sensor 3 lower ends are connected with driving mechanism 1, upper end is connected with application of force key seat 4, application of force key seat 4 is realized front damper 5 transmitting thrusts with the hole pin joint of front damper 5 socket 5a ends, power sensor 3 is experienced the force signal that is subject to of vertical direction in process of the test, and its power value along front damper 5 mounted angle α and the relation curve of displacement are Static load characteristics curve.
The damping spring of front damper 5 is placed in the inside of piston tube 5b, although Static load characteristics is not containing spring counter-force, but spring counter-force does not affect the test of Static load characteristics, consider that the cumbersome and disassembly process of dismounting damping spring easily makes front damper 5 internal hydraulic pressure oil be polluted, therefore while test, damping spring needn't be removed, but the maximum elastic force of damping spring should be able to be born while selecting the range of power sensor 3.
Clamp mechanism 6 is split type structure (referring to Fig. 4), between top and bottom, be provided with installation circular hole, in circular hole, be provided with subdivision chuck 6a, be arranged on the piston tube 5b in subdivision chuck 6a by screws clamp, the bottom of clamp mechanism 6 is connected with installing plate 7, can change the upper-lower position of clamp mechanism 6 at installing plate 7 by the some little spacing through hole or the straight trough hole that longitudinally arrange at installing plate 7 installed surface 7a, to adapt to the installation requirement of different size front damper.
Installing plate 7 two ends, two sides are relatively coaxial and be provided with positioning screw hole 7b with installed surface 7a parallel equidistant axis place (A and B), by pin joint screw 9 at axis A place and adjustable pole 8 upper end pin-and-hole pin joints, at the pin bearing one 10a pin joint of axis B place and upper slide unit 10 left end both sides. the straight trough 8a of adjustable pole 8 is by pin joint screw 9 and upper slide unit 10 right-hand member pin bearing two 10b pin joints fastening, pin joint screw 9 comprises one section of screw thread and one section of bearing pin, bearing pin section respectively with pin bearing one 10a on pin-and-hole, the pin-and-hole of adjustable pole 8 upper ends and straight trough 8a are sliding to be joined, make AC section to suitable distance fastening pin joint screw 9 by adjusting two adjustable poles 8, can make ∠ ABC reach required angle and make A, B, 3 of C form triangle rock-steady structure, in process of the test, can keep the enough rigidity of foundation structure of institute's clamping test specimen, and have simple in structure, adjust feature easily.
Due in Static load characteristics process of the test, the motion of driving mechanism 1 is vertically lifting, and the compression of front damper 5 and the force direction that is subject to that restores the power sensor 3 on direction and driving mechanism 1 exist invariable angle α, be therefore easy to the directed force F of the vertical direction that power sensor 5 is experiencedyConvert to along the power F of front damper 5 mounted angle α directions, i.e. F=Fy/ cos α. Equally, the vertical displacement of displacement transducer 2 can be transferred to front damper 5 socket 5a and the piston tube 5b relative displacement along mounted angle α direction, in Fig. 1, the F reaction force that front damper 5 applies power sensor 3 during for driving mechanism 1 vertical lifting (compression travel), it can be decomposed into component F vertically downwardyWith horizontal component Fx; In Fig. 2, the reaction force that when F ' vertically declines (recovery stroke) for driving mechanism 1, front damper 5 applies power sensor 3, corresponding component is vertically downward Fy', horizontal component is Fx '. F-F ' is static load resistance. Due to the existence of mounted angle α, in process of the test, along the component F of socket 5a vertical directionySin α and Fy' Sin α is respectively front damper 5 in compression and restores stroke suffered side force.
In Static load characteristics process of the test, the socket 5a of front damper 5 and piston tube 5b produce relative motion, and the point of application O of driving mechanism 1 is all the time by vertical direction lifting, therefore, between upper slide unit 10 and lower platform 13, be provided with two rectilinear motion pairs, realize moving horizontally of the upper slide unit 10 that produces due to driving mechanism 1 vertical lift by four track bases 11 that are installed on two line slideways 12 of lower platform 13 and are installed on upper slide unit 10, ensure that front damper 5 is in correct stress in process of the test. In the time that driving mechanism 1 rises (compression travel), upper slide unit 10 is followed and is moved to the left, and in the time that driving mechanism 1 declines (recovery stroke), upper slide unit 10 is followed and moved right. In addition, for needs are adjusted in the installation that meets different size front damper 5, between lower platform 13 and testing stand support 14, be provided with position adjusting mechanism, the left and right position adjustments that by arranging on support 14 two connect T-slot 14a and T-nut 15 and screw are realized lower platform 13 at some screw holes of lower platform 13 correspondence position settings and in by T-slot 14a is with fixing.
Front damper 5 is being carried out before Static load characteristics test, reply test specimen carries out correct installation, when test, the piston tube 5b of front damper 5 is by two identical clamp mechanism 6 and by subdivision chuck 6a, piston tube 5b is implemented to clamping, the effect of subdivision chuck 6a is the surface of damaging piston tube 5b while avoiding clamping, generally can adopt the flexible metal materials such as copper or aluminium matter to make. Before change damper specifications and models, due to length, piston tube 5b diameter, the mounting inclination angle degree difference of front damper, first should unclamp 6 pin joint screws 9 at A, B, C place, installing plate 7 be adjusted to the angle of regulation and screw successively C, A, the each pin joint screw 9 in B place along the relative slippage of bearing pin of pin joint screw 9 by the straight trough 8a on adjustable pole 8, by two cover clamp mechanism 6, piston tube 5b being tilted to install and clamp. Mounted angle α when front damper 5 is tested is identical with the inclination angle ∠ ABC of installing plate 7, the Inclination maneuver scope of installing plate 7 should meet the test requirements document of the front damper of all different model specifications, general inclination alpha changes in the scope of 25 °-45 °, and mounted angle when concrete front damper 5 is tested is identical with the actual installation inclination angle on motorcycle of drawing or technological document regulation. Fig. 3 for a change mounted angle (increase α) and change clamp mechanism 6(and move down) after experimental rig structural representation, the test original position of driving mechanism 1 is the free elongation state of front damper 5 or approaches free elongation state, when test specimen is installed, first, by the socket 5a of front damper 5 and installation key seat 4 pin joints, then clamped by clamp mechanism 6 by the free extended position of the piston tube 5b of front damper 5.
Fig. 5 is this experimental rig Static load characteristics measured curve figure, in process of the test, the corresponding relation curve that Static load characteristics test curve is surveyed for power sensor 3 and displacement transducer 2, abscissa is shift value, and ordinate is power value, and driving mechanism 1 rises and makes front damper 5 by compression, it is compression travel, driving mechanism 1 drops to front damper 5 and stretches recovery, restores stroke, and the relation curve obtaining is compression travel and the closed curve that restores stroke. The force-displacement relationship of compression travel is top curve in figure, and the force-displacement relationship curve that restores stroke is lower curve. Owing to not removing inner damping spring in the time front damper 5 being carried out to Static load characteristics test, 3 dynamometry values of power sensor have comprised the elastic force that inner damping spring compressive deformation produces, the static load resistance of certain point obtaining is this displacement place F-F ' value, the theoretical value of Static load characteristics is the Static load characteristics mean value of whole test trip, actual Static load characteristics is generally taking the Static load characteristics mean value of some travel point (as 30% of stroke, 50%, 70% 3 point) as measured value, specifically by drawing or technological document regulation. Because Static load characteristics is to record under extremely low speed, containing damping force, the impact of also having pruned spring force after F-F ', therefore Static load characteristics is comprehensive containing all static force outside damping and spring force not, is called again comprehensive counter-force. Initial by the origin of coordinates for the displacement-load relation curve that makes to record, automatically power sensor 3 is started to the starting force value (F of time impression in test by test program0) deduct and must be the closed curve of initial point, because damping spring is pitches, becomes rigidity bullet combination spring, in figure, rise and decline curve shows as non-linear. This experimental rig is in obtaining front damper 5 Static load characteristics, by calculating discrete displacement pointBe worth, can obtain the transfer curve of damping spring.
Claims (3)
1. a front damper of motorcycle Static load characteristics experimental rig, is characterized in that: comprise up and down and dividingFrom and upper clamping device and lower drive unit that mutually off-axis is settled, wherein said upper clamping device comprisesSupport (14), is connected with adjustable lower platform (13) on described support (14); Described lower platform (13)On be provided with successively track base (11) from bottom to top, line slideway (12) and with line slideway (12) can left and rightThe upper slide unit (10) of mobile link; The front and back on described upper slide unit (10) left side are connected with respectively pin bearing one(10a), the front and back on the right are connected with respectively pin bearing two (10b); Described pin bearing one (10a) is by establishingThe installing plate (7) of some pin-and-hole pin joint tiltably-mounteds; Described installing plate (7) outside installed surface (7a) is upper sameAxis is connected with the identical clamp mechanism (6) of two covers of separate front and back; Described pin bearing two (10b) passes through pinConnect adjustable pole (8) pin joint that screw (9) and lower end are provided with one section of straight trough (8a), described adjustable pole(8) upper end, by the pin-and-hole and described installing plate (7) pin joint that are provided with, forms " △ " of adjustable interior angle sizeShape supporting structure; Described lower drive unit comprises tache motorice upward, the driving mechanism (1) of vertically settling and complying withThe inferior power sensor (3) being connected with driving mechanism (1) tache motorice and for pin joint front damper (5)Application of force key seat (4), described power sensor (3) upper surface also with mobile terminal upward, the displacement of vertically settling passesSensor (2) is connected; Wherein, described clamp mechanism (6) is for establishing round-meshed rectangular block shape body, excessively roundHole central shaft is to dissecing into upper and lower two parts, and the semicircle orifice that dissects upper back and bottom is slightly less than semicircle, topBe provided with screw with bottom and be connected, in described circular hole, be also provided with subdivision chuck (6a); Described clamp mechanism (6)With being connected of installing plate (7), be to be provided with for adjusting and changing at installing plate (7) installed surface (7a)Clamp mechanism (6) is in some groups of through holes or the segmentation straight trough hole of the upper installation site of installing plate (7); DescribedBetween lower platform (13) and support (14), be also provided with position adjusting mechanism, wherein said support (14)Upper plane layout has about two T-slots (14a) that connect, the corresponding T-slot of described lower platform (13) (14a)Equalization is provided with some through holes, realizes lower platform (13) and support (14) left side by T-nut (15)The adjusting of right position be fixedly connected with; Described pin joint screw (9) comprises one section of screw thread and one section of bearing pin, bearing pinSection respectively with pin bearing two (10b) on pin-and-hole, pin-and-hole and the straight trough (8a) of adjustable pole (8) lower endSliding joining, by adjusting two adjustable poles (8) to suitable position fastening pin joint screw (9), can make " △ "Shape support reaches required angle; Described line slideway (12) is to extend along left and right, parallel 2 in front and backGuide rail.
2. front damper of motorcycle Static load characteristics experimental rig according to claim 1, its feature existsIn: described some groups of through holes or segmentation straight trough hole are horizontal 2 Kong Weiyi groups side by side, and longitudinal arrangement is someGroup.
3. front damper of motorcycle Static load characteristics experimental rig according to claim 1, its feature existsIn: described driving mechanism (1) is hydraulic servo oil cylinder or motor-driven speed reducing machinery transmission mechanism.
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| CN106370442B (en) * | 2016-08-16 | 2018-11-13 | 江苏科技大学 | A kind of motorcycle vibration absorber assembly performance detecting system and control method |
| CN107627236B (en) * | 2017-08-15 | 2023-07-18 | 中汽研汽车检验中心(宁波)有限公司 | Fixing device for testing mechanical resistance of light automobile |
| CN108152058B (en) * | 2017-12-05 | 2019-12-13 | 佛山市南海区昭星减震器有限公司 | Fatigue strength testing device for front shock absorber of motorcycle |
| CN118533509B (en) * | 2024-07-22 | 2024-09-24 | 江苏伊维尔医疗器械有限公司 | Climbing performance testing device of electric wheelchair |
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| 摩托车减震器性能评价与判定(2);刘爱红 等;《摩托车技术》;20080310;正文第27页，图7 * |
| 贺阳.摩托车减震器摩擦力构成分析(2).《摩托车技术》.2013, * |
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