CN101819085A - Omnidirectional fatigue vibration test stand for automobile seats - Google Patents
Omnidirectional fatigue vibration test stand for automobile seats Download PDFInfo
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- CN101819085A CN101819085A CN 201010145918 CN201010145918A CN101819085A CN 101819085 A CN101819085 A CN 101819085A CN 201010145918 CN201010145918 CN 201010145918 CN 201010145918 A CN201010145918 A CN 201010145918A CN 101819085 A CN101819085 A CN 101819085A
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Abstract
The invention discloses an omnidirectional fatigue vibration test stand for automobile seats, comprising a chassis, a seat mounting platform, a horizontal vibration device, a vertical vibration device and a hip stimulator. In the invention, a horizontal and vertical compound vibration structure is adopted, respective independent driving mechanisms are arranged by combining the device stimulating plastic hips of drivers and passengers, and the vibration at single direction of seats can be realized according to demands so as to obtain single seat fatigue parameters; and compound external force vibration can be carried out by simultaneous driving of the driving mechanisms to carry out vibration test of sine wave so as to obtain the fatigue parameters of the seats during omnidirectional vibration. Due to few components, the test stand has simple structure, easy disassembly and assembly, convenient operation and manufacturing and use cost conservation.
Description
Technical field
The present invention relates to a kind of automotive seat pick-up unit, particularly a kind of omnidirectional fatigue vibration test stand for automobile seats.
Background technology
It is the important step that automobile component detects that automotive seat detects, and it is the process that simulation true environment detects that seat is loaded vibration detection, for automobile making provides real gross data.Vibration is the key factor that influences the automotive seat life-span, in the car running process, owing to automobile under the operating modes such as road reason and startup, brake will mainly produce the vibration that vertically reaches horizontal direction with respect to ground; Seat will produce same vibration on the automobile.Simultaneously, be sitting in the driver on the seat, also can produce compound external force effect to seat owing to seismic inertia.
In the prior art, have the testing table of the automotive seat vibration test requirement of satisfying analog composite external force, this testing table function is comparatively complete, can satisfy the detection needs; But many, the complex structure of existing analog composite external force automotive seat testing table annex, the cost height, precision is low, not easy care; And because the cost problem, be difficult in, apply in the small enterprise.And testing table simple in structure, that cost is low only can be realized the vibration of single direction, can not carry out compound vibration simultaneously, can't realize the analog composite external force vibration experiment that automotive seat needs.
Therefore, need a kind of automotive seat vibrating fatigue pick-up unit, can realize the vibration to the single direction of seat as required, also can carry out compound external force vibration, simple in structure, easy to operate, cost of manufacture is low.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of omnidirectional fatigue vibration test stand for automobile seats, can realize the vibration to the single direction of seat as required, also can carry out compound external force vibration, simple in structure, easy to operate, cost of manufacture is low.
Omnidirectional fatigue vibration test stand for automobile seats of the present invention comprises base, chair mounted platform, horizontal vibration device, vertical vibrating device and buttocks analogue means;
Described horizontal vibration device comprise by line slideway be arranged on the base horizontal planker and be used for the horizontal planker of driving along the reciprocating horizontal vibration motor of line slideway;
The vertical vibrating device comprises vertical vibrating motor and the guide rod that vertically is provided with, and described vertical vibrating motor housing is fixedly installed on the horizontal planker, and armature spindle drives the chair mounted platform and pumps;
The buttocks analogue means comprises bearing, rocking arm, false stern rotary electric machine and false stern, described bearing is fixedly installed on the base, described rocking arm is being hinged on the bearing in the mode single-degree-of-freedom of perpendicular swing, false stern rotary electric machine shell is fixedly installed on the rocking arm free end, rotor axial extends down the transmission false stern that is connected, the to be detected automotive seat of false stern on the chair mounted platform.
Further, described horizontal vibration motor drives horizontal planker along the line slideway to-and-fro movement by horizontal lead screw is secondary, and the screw mandrel of horizontal lead screw pair cooperates with the through-drive of horizontal vibration rotor, and the nut of horizontal lead screw pair is fixedly installed on the horizontal planker; The vertical vibrating motor drives the chair mounted platform by vertical screw pair and pumps, and vertically the screw mandrel of screw pair cooperates with the armature spindle transmission of vertical vibrating motor, and vertically the nut of screw pair is fixedlyed connected with the chair mounted platform;
Further, described guide rod is the polygon distribution at least three, and the lower end is fixedly installed on the horizontal planker, and the chair mounted platform is upwards passed in mode sliding back and forth in the upper end; The guide rod cylindrical is with stage clip, and horizontal planker upper surface is withstood in described stage clip lower end, and chair mounted platform lower surface is withstood in the upper end;
Further, along being set up in parallel three rocking arms on the direction perpendicular to rocking arm, each rocking arm end is provided with false stern rotary electric machine and false stern respectively to described bearing at surface level; The rocking arm that wherein is positioned at both sides is articulated in bearing by the rocker arm bracket corresponding with it respectively, and two rocker arm brackets are being arranged on the bearing along the mode of sliding on the direction perpendicular to rocking arm at surface level;
Further, described two rocker arm brackets drive along the bearing to-and-fro movement by screw body respectively, opposite in circumferencial direction secure fit and screw thread rotation direction between the screw mandrel of the screw body of described two rocker arm brackets, the screw mandrel of setting and arbitrary screw body is at the handle of circumferencial direction secure fit on the described bearing;
Further, described rocking arm is that fulcrum forms lever construction with the pin joint, and rocking arm is installed the gravitational torque of the gravitational torque of the false stern one end arm of force greater than the other end arm of force;
Further, described rocking arm is hinged on pin joint by the pole that fixedly installs downwards;
Further, the control circuit of described horizontal vibration motor, vertical vibrating motor and false stern rotary electric machine all is electrically connected with control box, and control box is arranged in the cavity of bearing bottom.
The invention has the beneficial effects as follows: omnidirectional fatigue vibration test stand for automobile seats of the present invention, the structure of employing level and vertical compound vibration, and in conjunction with the device of simulating the false stern of driver, and independent driving mechanisms is set separately, can realize vibration as required, to obtain the tired parameter of single seat to the single direction of seat; Also can drive simultaneously and carry out compound external force vibration, carry out sinusoidal wave vibration test, obtain the tired parameter under the comprehensive vibration of seat; The present invention is owing to having only few parts, and is simple in structure, and easy disassembling is easy to operate, saves and makes and use cost.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Fig. 1 is a structural representation of the present invention;
Fig. 2 be Fig. 1 along A to synoptic diagram.
Embodiment
Fig. 1 is a structural representation of the present invention, Fig. 2 be Fig. 1 along A to synoptic diagram, as shown in the figure: the omnidirectional fatigue vibration test stand for automobile seats of present embodiment comprises base 7, chair mounted platform 2, horizontal vibration device, vertical vibrating device and buttocks analogue means;
Described horizontal vibration device comprises by line slideway 11a and is arranged on the horizontal planker 11 on the base 7 and is used for the horizontal planker 11 of driving along the reciprocating horizontal vibration motor 8 of line slideway;
The vertical vibrating device comprises vertical vibrating motor 5 and the guide rod 13 that vertically is provided with, described vertical vibrating motor 5 shells are fixedly installed on the horizontal planker 11, as shown in the figure, vertical vibrating motor 5 shells are fixed on horizontal planker 11 bottoms, are rotatably assorted on the rotor axial of vertical vibrating motor 5 to pass horizontal planker 11 and drive chair mounted platform 2 to pump;
The buttocks analogue means comprises bearing 14, rocking arm 19, false stern rotary electric machine 21 and false stern 20, and described bearing 14 is fixedly installed on the base 7; Described rocking arm 19 is being hinged on the bearing 14 in the mode single-degree-of-freedom of perpendicular swing, as shown in the figure; rocking arm 19 is articulated in pin joint by jointed shaft 18; false stern rotary electric machine 21 shells are fixedly installed on rocking arm 19 free ends; false stern rotary electric machine 21 rotor axials extend down the transmission false stern 20 that is connected; as shown in the figure, false stern 20 connects false stern rotary electric machine 21 armature spindles by false stern connecting link 22; The to be detected automotive seat 1 of false stern 20 on the chair mounted platform 2.
In the present embodiment, described horizontal vibration motor 8 drives horizontal planker 11 along line slideway 11a to-and-fro movement by horizontal lead screw is secondary, and the screw mandrel 9 of horizontal lead screw pair cooperates with the 8 armature spindle transmissions of horizontal vibration motor, and as shown in the figure, screw mandrel 9 is horizontally disposed with; The nut 10 of horizontal lead screw pair is fixedly installed on the horizontal planker 11; Vertical vibrating motor 5 drives chair mounted platform 2 by vertical screw pair and pumps, vertically the screw mandrel 4 of screw pair cooperates with the armature spindle transmission of vertical vibrating motor 5, vertically the nut 3 of screw pair is fixedlyed connected with chair mounted platform 2, as shown in the figure, screw mandrel 4 extends upward, and nut 3 is fixedly installed on fixedlys connected with chair mounted platform 2 and the hollow sting lower end of downward extension; Adopt the secondary and vertical screw mandrel auxiliary structure of horizontal lead screw, simple and compact for structure, accurately transmission can be satisfied the accurate vibration test under the various amplitude requirement, and is beneficial to the collection of vibration data.
In the present embodiment, described guide rod 13 is the polygon distribution at least three, and the lower end is fixedly installed on the horizontal planker 11, and chair mounted platform 2 is upwards passed in mode sliding back and forth in the upper end, and it is four rectangular distributions that present embodiment adopts guide rod 13; Guide rod 13 cylindricals are with stage clip 12, and horizontal planker 11 upper surfaces are withstood in described stage clip 12 lower ends, and chair mounted platform 2 lower surfaces are withstood in the upper end; When the vertical vibration table top moved, the stationarity by the stage clip assurance that is provided with is moved reduced motion and impacts and noise.
In the present embodiment, along being set up in parallel three rocking arms (being respectively rocking arm 19, rocking arm 191 and rocking arm 192 among the figure) on the direction perpendicular to rocking arm 19, each rocking arm end is provided with false stern rotary electric machine 21 and false stern 20 respectively to described bearing 14 at surface level; The rocking arm (figure is respectively rocking arm 19 and rocking arm 192) that wherein is arranged in both sides is articulated in bearing 14 by the rocker arm bracket corresponding with it (figure is respectively rocker arm bracket 17 and rocker arm bracket 17a) respectively, as shown in the figure; rocking arm 19 is articulated in rocker arm bracket 17, rocking arm 192 is articulated in rocker arm bracket 17a; Rocker arm bracket 17 and rocker arm bracket 17a are being arranged on the bearing 14 along the mode of sliding on the direction perpendicular to rocking arm at surface level, as shown in the figure, be provided with on the bearing 14 along the horizontal chute of rocking arm; rocker arm bracket 17 and rocker arm bracket 17a upper end are provided with the horizontal direction boss; rocker arm bracket 17 and rocker arm bracket 17a embed chute in mode sliding back and forth downwards, and the boss of rocker arm bracket 17 and rocker arm bracket 17a is carried on a shoulder pole on bearing 14 by triangle slide rail 16 and triangle slide rail 16a; Three seats of three rocking arms applicable to routine are set, make the present invention have stronger versatility; Can reciprocatingly slide with respect to bearing owing to be positioned at the rocking arm of both sides, therefore, can simulate the influence that driver's move left and right produces seat; By regulating, can be applicable to the seat of different in width simultaneously, accurately the location increases versatility of the present invention.
In the present embodiment, described two rocker arm brackets (rocker arm bracket 17 and rocker arm bracket 17a) drive along bearing 14 to-and-fro movements by screw body respectively, opposite between the screw mandrel of the screw body of described two rocker arm brackets in circumferencial direction secure fit and screw thread rotation direction, as shown in the figure, screw mandrel 15 and screw mandrel 15a pass through flange 25 in the circumferencial direction secure fit, nut 23 is fixedly installed on the rocker arm bracket 17, screw mandrel 15 cooperates the formation screw body with nut 23, nut 23a is fixedly installed on the rocker arm bracket 17a, screw mandrel 15a cooperates another screw body of formation with nut 23a, wherein screw mandrel 15 is opposite with screw mandrel 15a screw thread rotation direction; The screw mandrel of setting and arbitrary screw body is at the handle 24 of circumferencial direction secure fit on the described bearing 14, and as shown in the figure, handle 24 and screw mandrel 15 are in the circumferencial direction secure fit; Can regulate the relative distance of the false stern in both sides more accurately, realize three seats of different spacing are detected.
In the present embodiment, described rocking arm (rocking arm 19, rocking arm 191 and rocking arm 192) is that fulcrum forms lever construction with the pin joint, and rocking arm is installed the gravitational torque of the gravitational torque of the false stern one end arm of force greater than the other end arm of force; Form certain counterweight by lever construction, make false stern act on the effect that seat more can be simulated true man.
In the present embodiment, described rocking arm (rocking arm 19, rocking arm 191 and rocking arm 192) is hinged on pin joint by the pole (being respectively pole 19a, pole 191a and pole 192a among the figure) that fixedly installs downwards; Be beneficial to the swing degree of freedom that increases rocking arm, move interference when preventing to experimentize.
In the present embodiment, the control circuit of described horizontal vibration motor 8, vertical vibrating motor 5 and false stern rotary electric machine 21 all is electrically connected with control box 6, and control box 6 is arranged in the cavity of bearing bottom.
The present invention in use, by the horizontal supporting plate of horizontal vibration motor-driven, drive the vertical vibrating device and drive chair mounted platform horizontal vibration, vertical vibrating driven by motor chair mounted platform carries out vertical vibrating on the basis of horizontal vibration simultaneously, simultaneously, driving false stern during the seat vertical vibrating is that the center of circle swings up and down with the pin joint, the impulsive force that driver on the simulation seat causes seat when vibration, simultaneously, it is the axle center rotation with the vertical axes that false stern rotary electric machine drives false stern, seat is produced the vibration friction of rotating swing back and forth; Thereby reach the vibration that the composite force when simulation is actual to be used causes.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (8)
1. an omnidirectional fatigue vibration test stand for automobile seats is characterized in that: comprise base, chair mounted platform, horizontal vibration device, vertical vibrating device and buttocks analogue means;
Described horizontal vibration device comprise by line slideway be arranged on the base horizontal planker and be used for the horizontal planker of driving along the reciprocating horizontal vibration motor of line slideway;
The vertical vibrating device comprises vertical vibrating motor and the guide rod that vertically is provided with, and described vertical vibrating motor housing is fixedly installed on the horizontal planker, and armature spindle drives the chair mounted platform and pumps;
The buttocks analogue means comprises bearing, rocking arm, false stern rotary electric machine and false stern, described bearing is fixedly installed on the base, described rocking arm is being hinged on the bearing in the mode single-degree-of-freedom of perpendicular swing, false stern rotary electric machine shell is fixedly installed on the rocking arm free end, rotor axial extends down the transmission false stern that is connected, the to be detected automotive seat of false stern on the chair mounted platform.
2. omnidirectional fatigue vibration test stand for automobile seats according to claim 1, it is characterized in that: described horizontal vibration motor drives horizontal planker along the line slideway to-and-fro movement by horizontal lead screw is secondary, the screw mandrel of horizontal lead screw pair cooperates with the through-drive of horizontal vibration rotor, and the nut of horizontal lead screw pair is fixedly installed on the horizontal planker; The vertical vibrating motor drives the chair mounted platform by vertical screw pair and pumps, and vertically the screw mandrel of screw pair cooperates with the armature spindle transmission of vertical vibrating motor, and vertically the nut of screw pair is fixedlyed connected with the chair mounted platform.
3. omnidirectional fatigue vibration test stand for automobile seats according to claim 2, it is characterized in that: described guide rod is the polygon distribution at least three, the lower end is fixedly installed on the horizontal planker, and the chair mounted platform is upwards passed in mode sliding back and forth in the upper end; The guide rod cylindrical is with stage clip, and horizontal planker upper surface is withstood in described stage clip lower end, and chair mounted platform lower surface is withstood in the upper end.
4. omnidirectional fatigue vibration test stand for automobile seats according to claim 3 is characterized in that: along being set up in parallel three rocking arms on the direction perpendicular to rocking arm, each rocking arm end is provided with false stern rotary electric machine and false stern respectively to described bearing at surface level; The rocking arm that wherein is positioned at both sides is articulated in bearing by the rocker arm bracket corresponding with it respectively, and two rocker arm brackets are being arranged on the bearing along the mode of sliding on the direction perpendicular to rocking arm at surface level.
5. omnidirectional fatigue vibration test stand for automobile seats according to claim 4, it is characterized in that: described two rocker arm brackets drive along the bearing to-and-fro movement by screw body respectively, opposite in circumferencial direction secure fit and screw thread rotation direction between the screw mandrel of the screw body of described two rocker arm brackets, the screw mandrel of setting and arbitrary screw body is at the handle of circumferencial direction secure fit on the described bearing.
6. omnidirectional fatigue vibration test stand for automobile seats according to claim 5 is characterized in that: described rocking arm is that fulcrum forms lever construction with the pin joint, and rocking arm is installed the gravitational torque of the gravitational torque of the false stern one end arm of force greater than the other end arm of force.
7. omnidirectional fatigue vibration test stand for automobile seats according to claim 6 is characterized in that: described rocking arm is hinged on pin joint by the pole that fixedly installs downwards.
8. omnidirectional fatigue vibration test stand for automobile seats according to claim 7, it is characterized in that: the control circuit of described horizontal vibration motor, vertical vibrating motor and false stern rotary electric machine all is electrically connected with control box, and control box is arranged in the cavity of bearing bottom.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101459187A CN101819085B (en) | 2010-04-13 | 2010-04-13 | Omnidirectional fatigue vibration test stand for automobile seats |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101459187A CN101819085B (en) | 2010-04-13 | 2010-04-13 | Omnidirectional fatigue vibration test stand for automobile seats |
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| CN101819085B CN101819085B (en) | 2012-05-23 |
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| CN102156036A (en) * | 2011-02-25 | 2011-08-17 | 哈尔滨三迪工控工程有限公司 | Bump peristaltic test machine used for vehicle seat |
| CN102288393A (en) * | 2011-04-26 | 2011-12-21 | 哈尔滨三迪工控工程有限公司 | Pneumatic servo type automobile part testing machine |
| CN102288393B (en) * | 2011-04-26 | 2013-01-16 | 哈尔滨三迪工控工程有限公司 | Pneumatic servo type automobile part testing machine |
| CN103134652A (en) * | 2011-12-01 | 2013-06-05 | 南京工程学院 | Three-way vibrating table |
| CN102589828A (en) * | 2012-02-13 | 2012-07-18 | 长春富维—江森自控汽车饰件系统有限公司 | Seat creep experiment platform |
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| CN102692304A (en) * | 2012-06-05 | 2012-09-26 | 奇瑞汽车股份有限公司 | Automotive seat test system and method thereof |
| CN103091188A (en) * | 2013-01-09 | 2013-05-08 | 青岛海迅达精密检测设备有限公司 | Testing machine for rotation of seat and reciprocating abrasion of trundle |
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| CN105424346A (en) * | 2015-12-15 | 2016-03-23 | 长春富维—江森自控汽车饰件系统有限公司 | Chair fatigue testing device |
| CN105954126A (en) * | 2016-04-27 | 2016-09-21 | 中国矿业大学(北京) | Bidirectional vibration table device |
| CN105954126B (en) * | 2016-04-27 | 2019-05-07 | 中国矿业大学(北京) | A kind of direction vibration platform device |
| CN106353104A (en) * | 2016-08-12 | 2017-01-25 | 武汉信测标准技术服务有限公司 | Seat sinking and relaxation test device |
| CN110361204A (en) * | 2019-08-13 | 2019-10-22 | 重庆丰川硬质合金有限责任公司 | A kind of automotive seat dynamometry experiment porch |
| CN110361204B (en) * | 2019-08-13 | 2021-10-15 | 重庆丰川硬质合金有限责任公司 | Car seat dynamometry experiment platform |
| CN111947867A (en) * | 2020-07-09 | 2020-11-17 | 东风汽车集团有限公司 | Vibration testing device for feet and seats of automobile passengers |
| CN112763175A (en) * | 2020-12-29 | 2021-05-07 | 广东粤船科技股份有限公司 | High-end equipment is made production and is used shock resistance test device |
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