CN103792056A - Novel microcomputer control type car seat bump and creep test bench and method - Google Patents
Novel microcomputer control type car seat bump and creep test bench and method Download PDFInfo
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- CN103792056A CN103792056A CN201410083545.3A CN201410083545A CN103792056A CN 103792056 A CN103792056 A CN 103792056A CN 201410083545 A CN201410083545 A CN 201410083545A CN 103792056 A CN103792056 A CN 103792056A
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Abstract
The invention discloses a novel microcomputer control type car seat bump and creep test bench and method. The novel microcomputer control type car seat bump and creep test bench comprises a machine body part, a control system and an upper computer, wherein the machine body part comprises two sets of creep modules, two sets of horizontal-moving modules and a set of bump and bottom supporting module, the control system is composed of a servo controller, a creep servo motor, a transverse servo motor, a longitudinal servo motor and an actuator of a hydraulic cylinder, the creep servo motor, the transverse servo motor and the longitudinal servo motor are connected to the interior of the machine body part, and the servo controller is connected with the upper computer and a displacement and angle sensor which is arranged in the machine body part. By the adoption of the novel microcomputer control type car seat bump and creep test bench and method, input of combination of waveforms with different frequencies and different amplitudes of a seat to be tested can be achieved, influence of an actual road surface on the seat can be better simulated, and a basis is provided for evaluation of the quality of the seat. The novel microcomputer control type car seat bump and creep test bench is simple in structure and high in universality, the structure of the test bench can be adjusted according to the number of seat needing to be tested actually.
Description
Technical field
The invention belongs to automotive seat technical field of measurement and test, be specifically related to a kind of jolt testing table of wriggling endurance quality test of automotive seat that can be used for.
Background technology
Automotive seat jolt and wriggle test in need test specimen to be fixed on testing machine platform, the position of adjusting the false stern of simulation or false back of the body model makes sample H dot center line align with the false stern of simulation or Jia Bei H dot center line, under the frequency of 100 times/min, the vibration test that carry out cushion 100000 times, backrest are 50000 times.Bump test is for test road conditions such as simulated automotive impact shocks in the process of moving, obtain the impact that actual road conditions produce seat, extruding and the friction creep properties afterwards of constant weight born in the test of wriggling for a long time for detection of Chain cushion soft.
Chinese patent application 201310263977.8 discloses a kind of automobile bumpiness wriggling durability-testing machines, but in actual use, also there is following shortcoming in it: while carrying out seat bump test, circular motion is converted to rectilinear motion with crank mechanism, its precision is not high, difficult in maintenance, inputted vibration waveform is single; Carry out seat and wriggle while test, by the installation site of moved seat, H dot center line is alignd with the false stern of simulation or Jia Bei H dot center line, complicated operation, wastes time and energy; Wriggling servomotor is arranged on cantilever, in the time that testing table is not tested, need to lives by they sup-port the quality of vermiculator, processing safety is poor; In the most of situation of experimental facilities, can only carry out single seat test, when need to carry out the cushion of many seats or single seat and backrest while testing simultaneously simultaneously, can not expand testing table simply, use inconvenience, without versatility; When test, the change in displacement rule of dynamic sinkage and false stern or the false back of the body model of test stand cushion can not be measured in real time and show, real-time analysis can not be carried out.
Summary of the invention
The invention provides a kind of novel microcomputer control automotive seat jolt wriggling testing table and test method, overcome existing above-mentioned deficiency in prior art, and make the test of wriggling of jolting of its automotive seat that is applicable to different size, varying number.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of novel microcomputer control automotive seat wriggling testing table that jolts, comprise body part A, control system B and host computer C, body part A comprises two groups of wriggling modules 1, two groups of translation modules 2 and one group jolt and bottom support module 3, control system B by servo controller and respectively junctor body divide the 1-1 of the wriggling servomotor in A, laterally servomotor 2-5, the driver of servo longitudinal motor 2-6 and hydraulic cylinder 3-8 forms, servo controller connects the wriggling displacement transducer 2-1 in host computer C and body part A, transversal displacement sensor 2-57, length travel sensor 2-67 and the displacement transducer 3-9 that jolts.
The translation module 2 of described body part A is arranged on below wriggling module 1, jolts and bottom support module 3 is arranged on below translation module 2.
Described wriggling module 1 comprises wriggling servomotor 1-1, wriggling bracing frame 1-2, shaft coupling 1-3, wriggling guide pillar 1-4, auxiliary fixing plate 1-5, set bolt 1-6, wriggling sliding bearing 1-7, vertical adjustment member 1-8, spline 1-86 and wriggling mould 1-9, wherein, described wriggling servomotor 1-1 is fixed on wriggling bracing frame 1-2, the output shaft of wriggling servomotor 1-1 connects with the input end of shaft coupling 1-3, the upper end of wriggling guide pillar 1-4 connects with the output terminal of shaft coupling 1-3, wriggling guide pillar 1-4 connects with auxiliary fixing plate 1-5 by wriggling sliding bearing 1-7, auxiliary fixing plate 1-5 is fixed on wriggling bracing frame 1-2 by set bolt 1-6, the lower end of wriggling guide pillar 1-4 connects vertical adjustment member 1-8, vertical adjustment member 1-8 is slidably connected by spline 1-86 and wriggling mould 1-9.
Described vertical adjustment member 1-8 comprises mutually equipped upper mount pad 1-81 and lower mount pad 1-82, upper mount pad 1-81 and wriggling guide pillar 1-4 are connected, the surrounding wall of upper mount pad 1-81 is provided with two pairs of coaxial bolts hole, the surrounding wall of lower mount pad 1-82 is provided with the bar-shaped trough 1-83 of two pairs of vertical directions, upper mount pad 1-81 and lower mount pad 1-82 fasten up and down, upper set bolt 1-84 connects upper mount pad 1-81 and lower mount pad 1-82 through bolt hole and the bar-shaped trough 1-83 on top, lower set bolt 1-85 connects upper mount pad 1-81 and lower mount pad 1-82 through bolt hole and the bar-shaped trough 1-83 of bottom, unclamp set bolt 1-84 and lower set bolt 1-85, upper mount pad 1-81 can descend mount pad 1-82 to slide up and down relatively, the end of lower mount pad 1-82 is provided with spline 1-86, spline 1-86 connects with the spline fitted seat 1-91 of wriggling mould 1-9.Before on-test, unclamp set bolt 1-84 and lower set bolt 1-85, lower mount pad 1-82 is gone up to mount pad 1-81 relatively and move to extreme higher position along bar-shaped trough 1-83, then by upper set bolt 1-84 and lower set bolt 1-85 locking, after the H dot center line of false stern or false back of the body model 1-94 is alignd with the H dot center line of test seat 2-2, utilize translation module 2 by test seat 2-2 and on wriggling mould 1-9 move to correct position and coordinate with spline 1-86, finally lower mount pad 1-82 is moved down along bar-shaped trough, spline 1-86 is inserted in the spline fitted seat 1-91 of wriggling mould 1-9, the test of wriggling, after having tested, lower mount pad 1-82 is moved upwards up to extreme higher position along bar-shaped trough, makes spline 1-86 depart from spline fitted seat 1-91, facilitate the replacing of wriggling mould 1-9 or the dismounting of test seat 2-2.
Described wriggling mould 1-9 comprises spline fitted seat 1-91, counterweight mounting bracket 1-92, counterweight 1-93, false stern or false back of the body model 1-94 and wriggling angular transducer 1-95, wherein, spline fitted seat 1-91 is fixed on counterweight mounting bracket 1-92, spline fitted seat 1-91 coordinates with the spline 1-86 of vertical adjustment member 1-8, counterweight mounting bracket 1-92 connects with false stern or false back of the body model 1-94, counterweight 1-93 is arranged on counterweight mounting bracket 1-92, can regulate according to actual needs the quality of counterweight 1-93, false stern or false back of the body model 1-94 carry out designing and making according to SAE_J826 standard, on false stern or false back of the body model 1-94, wriggling angular transducer 1-95 is installed.
Described translation module 2 comprises wriggling displacement transducer 2-1, test seat 2-2, test seat support 2-3, chair mounted plate 2-4, transverse shifting platform 2-5 and vertically move platform 2-6, wherein, described wriggling displacement transducer 2-1 is arranged on the cushion of test seat 2-2, the reference test bar of wriggling displacement transducer 2-1 is arranged on wriggling mould 1-9, measure in real time the amount of recess of test seat 2-2 cushion, test seat support 2-3 is arranged on chair mounted plate 2-4, chair mounted plate 2-4 connects with the transverse slider 2-54 of transverse shifting platform 2-5, transverse slider 2-54 matches with horizontal slide rail 2-56, laterally servomotor 2-51 connects with the front end of horizontal shaft coupling 2-52, laterally the rear end of shaft coupling 2-52 connects with horizontal leading screw 2-53, laterally leading screw 2-53 matches with transverse slider 2-54, laterally the end of leading screw 2-53 connects with transverse support 2-55, laterally slide rail 2-56 connects with the longitudinal sliding block 2-64 that vertically moves platform 2-6, longitudinal sliding block 2-64 matches with longitudinal slide rail 2-66, servo longitudinal motor 2-61 connects with the front end of longitudinal shaft coupling 2-62, longitudinally the rear end of shaft coupling 2-62 connects with longitudinal leadscrew 2-63, longitudinal leadscrew 2-63 matches with longitudinal sliding block 2-64, the end of longitudinal leadscrew 2-63 connects with longitudinal bearing 2-65, longitudinally slide rail 2-65 connects with the oscillating plate 3-1 that jolts, the horizontal and vertical horizontal vibration of transverse shifting platform 2-5 motoring ring test seat together with vertically moving platform 2-6, on transverse slider 2-54 and longitudinal sliding block 2-64, be respectively equipped with transversal displacement sensor 2-57 and length travel sensor 2-67.
Described jolt and bottom support module 3 comprises the oscillating plate 3-1 that jolts, jolt and connect pole socket 3-2, fixed pin 3-3, connecting link 3-4 jolts, bottom support frame 3-5, sliding bearing 3-6 jolts, guide pillar 3-7 jolts, hydraulic cylinder 3-8 and the displacement transducer 3-9 that jolts, the wherein said oscillating plate 3-1 that jolts connects with the longitudinal slide rail 2-65 that vertically moves platform 2-6, the oscillating plate 3-1 that jolts has to jolt and connects pole socket 3-2, jolt connecting link 3-4 by fixed pin 3-3 with jolt be connected pole socket 3-2 connect, jolt below oscillating plate 3-1 and be provided with four symmetrical guide pillar 3-7 that jolt, the guide pillar 3-7 that jolts connects with bottom support frame 3-5 by the sliding bearing 3-6 that jolts, the oscillating plate 3-1 that jolts moves up and down along the sliding bearing 3-6 that jolts by the guide pillar 3-7 that jolts, the piston rod of power source hydraulic cylinder 3-8 directly connects with the connecting link 3-4 that jolts, the displacement transducer 3-9 that jolts is fixed on bottom support frame 3-5, the reference test bar of displacement transducer 3-9 of jolting is arranged on and jolts on oscillating plate 3-1, measure in real time the vertical deviation of the oscillating plate 3-1 that jolts.
Alternatively, spline 1-86 can select ball spline, and motion is more steadily reliable.
Preferably, jolt and the power source of bottom support module 3 replaceable be linear electric motors 3-10, now, relative motion between the mover 3-101 of linear electric motors 3-10 and stator 3-102, mover 3-301 connects with the guide pillar 3-7 that jolts, linear electric motors response is fast, and frequency is high, can simulate better the impact that actual road conditions produce seat.
Alternatively, peaceful wriggling module 1 shifting formwork piece 2 can be designed to one group, in the time only need testing to separate unit seat, avoid the unloaded vibration of seat testing table of opposite side like this, can reduce the cost of manufacture of equipment, save the energy.
Alternatively, peaceful wriggling module 1 shifting formwork piece 2 can be designed to three groups or more groups, can do experiment to more than three seat so simultaneously, increase work efficiency.
Utilize the novel microcomputer control automotive seat of the above-mentioned testing table wriggling test method of jolting, its concrete steps are:
1, on host computer C, set the moving target instruction of the action of jolting, peristaltic action, transverse horizontal action and vertical equity action;
2, on-test, below four groups of actions carry out side by side;
(1) action: the control system B that jolts receives from the action command that jolts of host computer C, drive the piston rod of hydraulic cylinder 3-8 to drive the oscillating plate 3-1 that jolts along jolting sliding bearing 3-6 up-down vibration, the displacement transducer 3-9 that jolts measures the vertical deviation of the oscillating plate 3-1 that jolts in real time, while there is error in the vertical deviation of the oscillating plate 3-1 that jolts requiring when the vertical deviation of the oscillating plate 3-1 that jolts recording and the action command that jolts, control system B revises the vertical deviation of the oscillating plate 3-1 that jolts, the vertical deviation of oscillating plate 3-1 of making to jolt approaches the vertical deviation of the desired oscillating plate 3-1 that jolts of action command that jolts, thereby realize pitching of test seat 2-2, false stern on test seat 2-2 or false back of the body model 1-94 not only pitch with test stand cushion, also pitch by the relative spline 1-86 of spline fitted seat 1-91 simultaneously.
(2) peristaltic action: control system B receives the peristaltic action instruction from host computer C, drive wriggling servomotor 1-1 to rotate, wriggling servomotor 1-1 drives wriggling guide pillar 1-4 to rotate by shaft coupling 1-3, wriggling guide pillar 1-4 drives vertical adjustment member 1-8 to rotate, vertical adjustment member 1-8 drives wriggling mould 1-9 to rotate by spline 1-86, wriggling angular transducer 1-95 measures the wriggling angle of wriggling mould 1-9 in real time, in the time there is error in the wriggling angle of the wriggling angle of the wriggling mould 1-9 recording and the wriggling mould 1-9 of peristaltic action command request, control system B revises the wriggling angle of wriggling mould 1-9, the wriggling angle of mould 1-9 of making to wriggle approaches the wriggling angle of the desired wriggling mould of peristaltic action instruction 1-9, thereby the mould 1-9 that makes to wriggle simulates the peristaltic action of human body on test seat 2-2 accurately.
(3) transverse horizontal action: control system B receives the transverse horizontal action command from host computer C, drive horizontal servomotor 2-51 to rotate, laterally servomotor 2-51 drives horizontal leading screw 2-53 to rotate by horizontal shaft coupling 2-52, laterally leading screw 2-53 drives the transverse shifting of transverse slider 2-54 on horizontal slide rail 2-56 by the nut being fixed together with transverse slider 2-54, transversal displacement sensor 2-57 measures the transversal displacement of transverse slider 2-54 in real time, while there is error in the transversal displacement of the transverse slider 2-54 requiring when transversal displacement and the transverse horizontal action command of the transverse slider 2-54 recording, control system B revises the transversal displacement of transverse slider 2-54, make the transversal displacement of transverse slider 2-54 approach the transversal displacement of the desired transverse slider 2-54 of transverse horizontal action command, be arranged on the transverse horizontal action of transverse slider 2-54 with upper-part thereby accurately realize.
(4) vertical equity action: control system B receives the vertical equity action command from host computer C, drive servo longitudinal motor 2-61 to rotate, servo longitudinal motor 2-61 drives longitudinal leadscrew 2-63 to rotate by longitudinal shaft coupling 2-62, longitudinal leadscrew 2-63 drives longitudinal sliding block 2-64 vertically moving on longitudinal slide rail 2-66 by the nut being fixed together with longitudinal sliding block 264, the length travel that length travel sensor 2-67 measures longitudinal sliding block 2-64 in real time, while there is error in the length travel of the longitudinal sliding block 2-64 requiring when length travel and the vertical equity action command of the longitudinal sliding block 2-64 recording, control system B revises the length travel of longitudinal sliding block 2-64, make the length travel of longitudinal sliding block 2-64 approach the length travel of the desired longitudinal sliding block 2-64 of vertical equity action command, be arranged on the vertical equity action of longitudinal sliding block 2-64 with upper-part thereby accurately realize.
3, off-test, wriggling displacement transducer 2-1 records the deflection of test seat 2-2 cushion, shows in real time and is stored in host computer C above, carries out subsequent experimental data processing.
Advantage of the present invention and beneficial effect are:
Adopt hydraulic cylinder or linear electric motors to do power source, utilize the vibration of control system control hydraulic cylinder or linear electric motors and wriggling servomotor, realize the input of tested seat different frequency, different amplitude waveform combination, the impact that better the actual road surface of simulation produces seat, provides foundation for evaluating seat quality; The present invention is simple in structure, highly versatile, and the number of the seat that can test according to actual needs easily, the structure of adjustment testing table, saves the energy, and easy and simple to handle, cost performance is higher.
Accompanying drawing explanation
Fig. 1 is overall schematic of the present invention;
Fig. 2 is front elevation of the present invention;
Fig. 3 is side view of the present invention (not comprising wriggling supporting bracket);
Fig. 4 is vertical view of the present invention (not comprising wriggling supporting bracket);
Fig. 5 is the I partial enlarged drawing of Fig. 1;
Fig. 6 is the structural representation of vertical adjustment member and false stern or the false back of the body;
Fig. 7 is the structural drawing of vertical adjustment member;
Wherein, Fig. 7 (a) is vertical adjustment member front elevation; Fig. 7 (b) is A-A sectional view in Fig. 7 (a); Fig. 7 (c) is vertical adjustment member side view; Fig. 7 (d) is B-B sectional view in Fig. 7 (c);
Fig. 8 is the structural drawing of wriggling mould;
Wherein, Fig. 8 (a) is the axial schematic diagram of wriggling mould; Fig. 8 (b) is the vertical view of wriggling mould;
Fig. 9 is the schematic diagram of translation module critical piece;
Figure 10 is for being test method process flow diagram of the present invention;
Figure 11 is that power source is the embodiment schematic diagram of linear electric motors;
Figure 12 is the embodiment schematic diagram of separate unit seat test;
Figure 13 is the embodiment schematic diagram of three pedestal chair tests.
In figure:
A body part, B control system, C host computer;
1 wriggling module, 2 translation modules, 3 are jolted and bottom support module;
1-1 wriggling servomotor, 1-2 wriggling bracing frame, 1-3 shaft coupling, 1-4 wriggling guide pillar, 1-5 auxiliary fixing plate, 1-6 set bolt, 1-7 wriggling sliding bearing, the vertical adjustment member of 1-8,1-9 wriggling mould;
Set bolt under mount pad, 1-83 bar-shaped trough, the upper set bolt of 1-84,1-85 under the upper mount pad of 1-81,1-82,1-86 spline;
1-91 spline fitted seat, 1-92 counterweight mounting bracket, 1-93 counterweight, the false stern of 1-94 or false back of the body model, 1-95 wriggling angular transducer;
2-1 wriggling displacement transducer, 2-2 test seat, 2-3 test seat support, 2-4 chair mounted plate, 2-5 transverse shifting platform, 2-6 vertically move platform;
The horizontal servomotor of 2-51, the horizontal shaft coupling of 2-52, the horizontal leading screw of 2-53,2-54 transverse slider, 2-55 transverse support, the horizontal slide rail of 2-56,2-57 transversal displacement sensor;
2-61 servo longitudinal motor, the longitudinal shaft coupling of 2-62,2-63 longitudinal leadscrew, 2-64 longitudinal sliding block, the longitudinal bearing of 2-65, the longitudinal slide rail of 2-66,2-67 length travel sensor;
Jolt oscillating plate, 3-2 of 3-1 jolts and connects pole socket, 3-3 fixed pin, 3-4 jolt connecting link, 3-5 bottom support frame, 3-6 jolt sliding bearing, 3-7 jolt guide pillar, 3-8 hydraulic cylinder, 3-9 jolt displacement transducer, 3-10 linear electric motors, 3-101 mover, 3-102 stator
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Fig. 1 is overall schematic of the present invention, in conjunction with Fig. 2 to Fig. 3, the novel microcomputer control of the visible one of the present invention automotive seat wriggling testing table that jolts, comprise body part A, control system B and host computer C, body part A comprises two groups of wriggling modules 1, two groups of translation modules 2 and one group jolt and bottom support module 3, control system B by servo controller and respectively junctor body divide the 1-1 of the wriggling servomotor in A, laterally servomotor 2-5, the driver of servo longitudinal motor 2-6 and hydraulic cylinder 3-8 forms, servo controller connects the wriggling displacement transducer 2-1 in host computer C and body part A, transversal displacement sensor 2-57, length travel sensor 2-67 and the displacement transducer 3-9 that jolts.
The translation module 2 of described body part A is arranged on below wriggling module 1, jolts and bottom support module 3 is arranged on below translation module 2.
Fig. 5 is the I partial enlarged drawing of Fig. 1, visible described wriggling module 1 comprises wriggling servomotor 1-1, wriggling bracing frame 1-2, shaft coupling 1-3, wriggling guide pillar 1-4, auxiliary fixing plate 1-5, set bolt 1-6, wriggling sliding bearing 1-7, vertical adjustment member 1-8, spline 1-86 and wriggling mould 1-9, wherein, described wriggling servomotor 1-1 is fixed on wriggling bracing frame 1-2, the output shaft of wriggling servomotor 1-1 connects with the input end of shaft coupling 1-3, the upper end of wriggling guide pillar 1-4 connects with the output terminal of shaft coupling 1-3, wriggling guide pillar 1-4 connects with auxiliary fixing plate 1-5 by wriggling sliding bearing 1-7, auxiliary fixing plate 1-5 is fixed on wriggling bracing frame 1-2 by set bolt 1-6, the lower end of wriggling guide pillar 1-4 connects vertical adjustment member 1-8, vertical adjustment member 1-8 is slidably connected by spline 1-86 and wriggling mould 1-9.
Fig. 6 is the structural representation of vertical adjustment member and false stern or the false back of the body, described vertical adjustment member 1-8 comprises mutually equipped upper mount pad 1-81 and lower mount pad 1-82, upper mount pad 1-81 and wriggling guide pillar 1-4 are connected, the surrounding wall of upper mount pad 1-81 is provided with two pairs of coaxial bolts hole, the surrounding wall of lower mount pad 1-82 is provided with the bar-shaped trough 1-83 of two pairs of vertical directions, upper mount pad 1-81 and lower mount pad 1-82 fasten up and down, upper set bolt 1-84 connects upper mount pad 1-81 and lower mount pad 1-82 through bolt hole and the bar-shaped trough 1-83 on top, lower set bolt 1-85 connects upper mount pad 1-81 and lower mount pad 1-82 through bolt hole and the bar-shaped trough 1-83 of bottom, unclamp set bolt 1-84 and lower set bolt 1-85, upper mount pad 1-81 can descend mount pad 1-82 to slide up and down relatively, the end of lower mount pad 1-82 is provided with spline 1-86, spline 1-86 connects with the spline fitted seat 1-91 of wriggling mould 1-9.In conjunction with Fig. 8 (a) to Fig. 8 (d), for the detail view of vertical adjustment member 1-8, when test, unclamp set bolt 1-84 and lower set bolt 1-85, lower mount pad 1-82 is gone up to mount pad 1-81 relatively and move to extreme higher position along bar-shaped trough 1-83, then by upper set bolt 1-84 and lower set bolt 1-85 locking, after the H dot center line of false stern or false back of the body model 1-94 is alignd with the H dot center line of test seat 2-2, utilize translation module 2 by test seat 2-2 and on wriggling mould 1-9 move to correct position and coordinate with spline 1-86, finally lower mount pad 1-82 is moved down along bar-shaped trough, spline 1-86 is inserted in the spline fitted seat 1-91 of wriggling mould 1-9, the test of wriggling, after having tested, lower mount pad 1-82 is moved upwards up to extreme higher position along bar-shaped trough, makes spline 1-86 depart from spline fitted seat 1-91, facilitate the replacing of wriggling mould 1-9 or the dismounting of test seat 2-2.
Fig. 8 is the structural drawing of wriggling mould, visible described wriggling mould 1-9 comprises spline fitted seat 1-91, counterweight mounting bracket 1-92, counterweight 1-93, false stern or false back of the body model 1-94 and wriggling angular transducer 1-95, wherein, spline fitted seat 1-91 is fixed on counterweight mounting bracket 1-92, spline fitted seat 1-91 coordinates with the spline 1-86 of vertical adjustment member 1-8, counterweight mounting bracket 1-92 connects with false stern or false back of the body model 1-94, counterweight 1-93 is arranged on counterweight mounting bracket 1-92, can regulate according to actual needs the quality of counterweight 1-93, false stern or false back of the body model 1-94 carry out designing and making according to SAE_J826 standard, on false stern or false back of the body model 1-94, wriggling angular transducer 1-95 is installed.
Fig. 9 is the schematic diagram of translation module critical piece, visible described translation module 2 comprises wriggling displacement transducer 2-1, test seat 2-2, test seat support 2-3, chair mounted plate 2-4, transverse shifting platform 2-5 and vertically move platform 2-6, wherein, described wriggling displacement transducer 2-1 is arranged on the cushion of test seat 2-2, the reference test bar of wriggling displacement transducer 2-1 is arranged on wriggling mould 1-9, measure in real time the amount of recess of test seat 2-2 cushion, test seat support 2-3 is arranged on chair mounted plate 2-4, chair mounted plate 2-4 connects with the transverse slider 2-54 of transverse shifting platform 2-5, transverse slider 2-54 matches with horizontal slide rail 2-56, laterally servomotor 2-51 connects with the front end of horizontal shaft coupling 2-52, laterally the rear end of shaft coupling 2-52 connects with horizontal leading screw 2-53, laterally leading screw 2-53 matches with transverse slider 2-54, laterally the end of leading screw 2-53 connects with transverse support 2-55, laterally slide rail 2-56 connects with the longitudinal sliding block 2-64 that vertically moves platform 2-6, longitudinal sliding block 2-64 matches with longitudinal slide rail 2-66, servo longitudinal motor 2-61 connects with the front end of longitudinal shaft coupling 2-62, longitudinally the rear end of shaft coupling 2-62 connects with longitudinal leadscrew 2-63, longitudinal leadscrew 2-63 matches with longitudinal sliding block 2-64, the end of longitudinal leadscrew 2-63 connects with longitudinal bearing 2-65, longitudinally slide rail 2-65 connects with the oscillating plate 3-1 that jolts, the horizontal and vertical horizontal vibration of transverse shifting platform 2-5 motoring ring test seat together with vertically moving platform 2-6, on transverse slider 2-54 and longitudinal sliding block 2-64, be respectively equipped with transversal displacement sensor 2-57 and length travel sensor 2-67.
Described jolt and bottom support module 3 comprises the oscillating plate 3-1 that jolts, jolt and connect pole socket 3-2, fixed pin 3-3, connecting link 3-4 jolts, bottom support frame 3-5, sliding bearing 3-6 jolts, guide pillar 3-7 jolts, hydraulic cylinder 3-8 and the displacement transducer 3-9 that jolts, the wherein said oscillating plate 3-1 that jolts connects with the longitudinal slide rail 2-65 that vertically moves platform 2-6, the oscillating plate 3-1 that jolts has to jolt and connects pole socket 3-2, jolt connecting link 3-4 by fixed pin 3-3 with jolt be connected pole socket 3-2 connect, jolt below oscillating plate 3-1 and be provided with four symmetrical guide pillar 3-7 that jolt, the guide pillar 3-7 that jolts connects with bottom support frame 3-5 by the sliding bearing 3-6 that jolts, the oscillating plate 3-1 that jolts moves up and down along the sliding bearing 3-6 that jolts by the guide pillar 3-7 that jolts, the piston rod of power source hydraulic cylinder 3-8 directly connects with the connecting link 3-4 that jolts, the displacement transducer 3-9 that jolts is fixed on bottom support frame 3-5, the reference test bar of displacement transducer 3-9 of jolting is arranged on and jolts on oscillating plate 3-1, measure in real time the vertical deviation of the oscillating plate 3-1 that jolts.
Alternatively, spline 1-86 can select ball spline, and motion is more steadily reliable.
Preferably, jolt and the power source of bottom support module 3 replaceable be linear electric motors 3-10, as shown in figure 11, now, relative motion between the mover 3-101 of linear electric motors 3-10 and stator 3-102, mover 3-301 connects with the guide pillar 3-7 that jolts, and linear electric motors response is fast, frequency is high, can simulate better the impact that actual road conditions produce seat.
Alternatively, peaceful wriggling module 1 shifting formwork piece 2 can be designed to one group, as shown in figure 12, in the time only need testing to separate unit seat, avoid the unloaded vibration of seat testing table of opposite side like this, can reduce the cost of manufacture of equipment, save the energy.
Alternatively, peaceful wriggling module 1 shifting formwork piece 2 can be designed to three groups or more groups, can do experiment to more than three seat so simultaneously, increase work efficiency.Figure 13 shows that the embodiment schematic diagram of three pedestal chair tests.
Utilize the novel microcomputer control automotive seat of the above-mentioned testing table wriggling test method of jolting, in conjunction with the test method process flow diagram described in Figure 10, its concrete steps are:
1, on host computer C, set the moving target instruction of the action of jolting, peristaltic action, transverse horizontal action and vertical equity action;
2, on-test, below four groups of actions carry out side by side;
(1) action: the control system B that jolts receives from the action command that jolts of host computer C, drive the piston rod of hydraulic cylinder 3-8 to drive the oscillating plate 3-1 that jolts along jolting sliding bearing 3-6 up-down vibration, the displacement transducer 3-9 that jolts measures the vertical deviation of the oscillating plate 3-1 that jolts in real time, while there is error in the vertical deviation of the oscillating plate 3-1 that jolts requiring when the vertical deviation of the oscillating plate 3-1 that jolts recording and the action command that jolts, control system B revises the vertical deviation of the oscillating plate 3-1 that jolts, the vertical deviation of oscillating plate 3-1 of making to jolt approaches the vertical deviation of the desired oscillating plate 3-1 that jolts of action command that jolts, thereby realize pitching of test seat 2-2, false stern on test seat 2-2 or false back of the body model 1-94 not only pitch with test stand cushion, also pitch by the relative spline 1-86 of spline fitted seat 1-91 simultaneously.
(2) peristaltic action: control system B receives the peristaltic action instruction from host computer C, drive wriggling servomotor 1-1 to rotate, wriggling servomotor 1-1 drives wriggling guide pillar 1-4 to rotate by shaft coupling 1-3, wriggling guide pillar 1-4 drives vertical adjustment member 1-8 to rotate, vertical adjustment member 1-8 drives wriggling mould 1-9 to rotate by spline 1-86, wriggling angular transducer 1-95 measures the wriggling angle of wriggling mould 1-9 in real time, in the time there is error in the wriggling angle of the wriggling angle of the wriggling mould 1-9 recording and the wriggling mould 1-9 of peristaltic action command request, control system B revises the wriggling angle of wriggling mould 1-9, the wriggling angle of mould 1-9 of making to wriggle approaches the wriggling angle of the desired wriggling mould of peristaltic action instruction 1-9, thereby the mould 1-9 that makes to wriggle simulates the peristaltic action of human body on test seat 2-2 accurately.
(3) transverse horizontal action: control system B receives the transverse horizontal action command from host computer C, drive horizontal servomotor 2-51 to rotate, laterally servomotor 2-51 drives horizontal leading screw 2-53 to rotate by horizontal shaft coupling 2-52, laterally leading screw 2-53 drives the transverse shifting of transverse slider 2-54 on horizontal slide rail 2-56 by the nut being fixed together with transverse slider 2-54, transversal displacement sensor 2-57 measures the transversal displacement of transverse slider 2-54 in real time, while there is error in the transversal displacement of the transverse slider 2-54 requiring when transversal displacement and the transverse horizontal action command of the transverse slider 2-54 recording, control system B revises the transversal displacement of transverse slider 2-54, make the transversal displacement of transverse slider 2-54 approach the transversal displacement of the desired transverse slider 2-54 of transverse horizontal action command, be arranged on the transverse horizontal action of transverse slider 2-54 with upper-part thereby accurately realize.
(4) vertical equity action: control system B receives the vertical equity action command from host computer C, drive servo longitudinal motor 2-61 to rotate, servo longitudinal motor 2-61 drives longitudinal leadscrew 2-63 to rotate by longitudinal shaft coupling 2-62, longitudinal leadscrew 2-63 drives longitudinal sliding block 2-64 vertically moving on longitudinal slide rail 2-66 by the nut being fixed together with longitudinal sliding block 264, the length travel that length travel sensor 2-67 measures longitudinal sliding block 2-64 in real time, while there is error in the length travel of the longitudinal sliding block 2-64 requiring when length travel and the vertical equity action command of the longitudinal sliding block 2-64 recording, control system B revises the length travel of longitudinal sliding block 2-64, make the length travel of longitudinal sliding block 2-64 approach the length travel of the desired longitudinal sliding block 2-64 of vertical equity action command, be arranged on the vertical equity action of longitudinal sliding block 2-64 with upper-part thereby accurately realize.
3, off-test, wriggling displacement transducer 2-1 records the deflection of test seat 2-2 cushion, shows in real time and is stored in host computer C above, carries out subsequent experimental data processing.
Claims (10)
1. the novel microcomputer control automotive seat wriggling testing table that jolts, comprises body part (A), control system (B) and host computer (C), it is characterized in that:
Described body part (A) comprises two groups of wriggling modules (1), two groups of translation modules (2) and one group jolt and bottom support module (3), control system (B) by servo controller and respectively junctor body divide the wriggling servomotor in (A) (1-1), laterally servomotor (2-5), the driver of servo longitudinal motor (2-6) and hydraulic cylinder (3-8) forms, servo controller connects the wriggling displacement transducer 2-1 in host computer (C) and body part (A), transversal displacement sensor 2-57, length travel sensor 2-67 and the displacement transducer 3-9 that jolts,
The translation module (2) of described body part (A) is arranged on wriggling module (1) below, jolts and bottom support module (3) is arranged on translation module (2) below.
2. the novel microcomputer control of the one according to claim 1 automotive seat wriggling testing table that jolts, is characterized in that:
Described wriggling module (1) comprises wriggling servomotor (1-1), wriggling bracing frame (1-2), shaft coupling (1-3), wriggling guide pillar (1-4), auxiliary fixing plate (1-5), set bolt (1-6), wriggling sliding bearing (1-7), vertical adjustment member (1-8), spline (1-86) and wriggling mould (1-9), wherein, described wriggling servomotor (1-1) is fixed on wriggling bracing frame (1-2), the output shaft of wriggling servomotor (1-1) connects with the input end of shaft coupling (1-3), the upper end of wriggling guide pillar (1-4) connects with the output terminal of shaft coupling (1-3), wriggling guide pillar (1-4) connects with auxiliary fixing plate (1-5) by wriggling sliding bearing (1-7), auxiliary fixing plate (1-5) is fixed on wriggling bracing frame (1-2) by set bolt (1-6), the lower end of wriggling guide pillar (1-4) connects vertical adjustment member (1-8), vertical adjustment member (1-8) is slidably connected by spline (1-86) and wriggling mould (1-9).
3. the novel microcomputer control of the one according to claim 2 automotive seat wriggling testing table that jolts, is characterized in that:
Described vertical adjustment member (1-8) comprises mutually equipped upper mount pad (1-81) and lower mount pad (1-82), upper mount pad (1-81) is connected with wriggling guide pillar (1-4), the surrounding wall of upper mount pad (1-81) is provided with two pairs of coaxial bolts hole, the surrounding wall of lower mount pad (1-82) is provided with the bar-shaped trough (1-83) of two pairs of vertical directions, upper mount pad (1-81) and lower mount pad (1-82) fasten up and down, upper set bolt (1-84) connects upper mount pad (1-81) and lower mount pad (1-82) through bolt hole and the bar-shaped trough (1-83) on top, lower set bolt (1-85) connects upper mount pad (1-81) and lower mount pad (1-82) through bolt hole and the bar-shaped trough (1-83) of bottom, unclamp set bolt (1-84) and lower set bolt (1-85), upper mount pad (1-81) can descend mount pad (1-82) to slide up and down relatively, the end of lower mount pad (1-82) is provided with spline (1-86), spline (1-86) connects with the spline fitted seat (1-91) of wriggling mould (1-9).
4. the novel microcomputer control of the one according to claim 2 automotive seat wriggling testing table that jolts, is characterized in that:
Described wriggling mould (1-9) comprises spline fitted seat (1-91), counterweight mounting bracket (1-92), counterweight (1-93), false stern or false back of the body model (1-94) and wriggling angular transducer (1-95), wherein, spline fitted seat (1-91) is fixed on counterweight mounting bracket (1-92), spline fitted seat (1-91) coordinates with the spline (1-86) of vertical adjustment member (1-8), counterweight mounting bracket (1-92) connects with false stern or false back of the body model (1-94), counterweight (1-93) is arranged on counterweight mounting bracket (1-92), can regulate according to actual needs the quality of counterweight (1-93), false stern or false back of the body model (1-94) are according to S(A) E_J(826) standard carries out designing and making, on false stern or false back of the body model (1-94), wriggling angular transducer (1-95) is installed.
5. according to the novel microcomputer control of the one described in any one in claim 2 to the 4 automotive seat wriggling testing table that jolts, it is characterized in that:
Described spline (1-86) is ball spline.
6. the novel microcomputer control of the one according to claim 1 automotive seat wriggling testing table that jolts, is characterized in that:
Described translation module (2) comprises wriggling displacement transducer (2-1), test seat (2-2), test seat support (2-3), chair mounted plate (2-4), transverse shifting platform (2-5) and vertically move platform (2-6), wherein, described wriggling displacement transducer (2-1) is arranged on the cushion of test seat (2-2), the reference test bar of wriggling displacement transducer (2-1) is arranged on wriggling mould (1-9), measure in real time the amount of recess of test seat (2-2) cushion, test seat support (2-3) is arranged on chair mounted plate (2-4), chair mounted plate (2-4) connects with the transverse slider (2-54) of transverse shifting platform (2-5), transverse slider (2-54) matches with horizontal slide rail (2-56), laterally servomotor (2-51) connects with the front end of horizontal shaft coupling (2-52), laterally the rear end of shaft coupling (2-52) connects with horizontal leading screw (2-53), laterally leading screw (2-53) matches with transverse slider (2-54), laterally the end of leading screw (2-53) connects with transverse support (2-55), laterally slide rail (2-56) connects with the longitudinal sliding block (2-64) that vertically moves platform (2-6), longitudinal sliding block (2-64) matches with longitudinal slide rail (2-66), servo longitudinal motor (2-61) connects with the front end of longitudinal shaft coupling (2-62), longitudinally the rear end of shaft coupling (2-62) connects with longitudinal leadscrew (2-63), longitudinal leadscrew (2-63) matches with longitudinal sliding block (2-64), the end of longitudinal leadscrew (2-63) connects with longitudinal bearing (2-65), longitudinally slide rail (2-65) connects with the oscillating plate that jolts (3-1), transverse shifting platform (2-5) and vertically move platform (2-6) the horizontal and vertical horizontal vibration of motoring ring test seat together, on transverse slider (2-54) and longitudinal sliding block (2-64), be respectively equipped with transversal displacement sensor (2-57) and length travel sensor (2-67).
7. the novel microcomputer control of the one according to claim 1 automotive seat wriggling testing table that jolts, is characterized in that:
Described jolt and bottom support module (3) comprises the oscillating plate that jolts (3-1), jolt and connect pole socket (3-2), fixed pin (3-3), connecting link (3-4) jolts, bottom support frame (3-5), sliding bearing (3-6) jolts, guide pillar (3-7) jolts, hydraulic cylinder (3-8) and the displacement transducer that jolts (3-9), the wherein said oscillating plate that jolts (3-1) connects with the longitudinal slide rail (2-65) that vertically moves platform (2-6), the oscillating plate (3-1) that jolts has to jolt and connects pole socket (3-2), jolt connecting link (3-4) by fixed pin (3-3) with jolt be connected pole socket (3-2) connect, jolt below oscillating plate (3-1) and be provided with four symmetrical guide pillars that jolt (3-7), the guide pillar (3-7) that jolts connects with bottom support frame (3-5) by the sliding bearing that jolts (3-6), the oscillating plate (3-1) that jolts moves up and down along the sliding bearing (3-6) that jolts by the guide pillar that jolts (3-7), the piston rod of power source hydraulic cylinder (3-8) directly connects with the connecting link that jolts (3-4), the displacement transducer (3-9) that jolts is fixed on bottom support frame (3-5), the reference test bar of displacement transducer (3-9) of jolting is arranged on the oscillating plate that jolts (3-1), measure in real time the vertical deviation of oscillating plate (3-1) that jolt.
8. the novel microcomputer control of the one according to claim 7 automotive seat wriggling testing table that jolts, is characterized in that:
Described jolt and the power source of bottom support module (3) is linear electric motors (3-10), relative motion between the mover (3-101) of linear electric motors (3-10) and stator (3-102), mover (3-301) connects with the guide pillar that jolts (3-7).
9. the novel microcomputer control of the one according to claim 1 automotive seat wriggling testing table that jolts, is characterized in that:
The described peaceful shifting formwork piece of wriggling module (1) (2) is designed to one group, three groups or more groups.
10. the novel microcomputer control automotive seat wriggling test method of jolting, is characterized in that:
Utilize the above-mentioned novel microcomputer control automotive seat wriggling testing table that jolts, its concrete steps are:
One, in the upper moving target instruction of setting the action of jolting, peristaltic action, transverse horizontal action and vertical equity action of host computer (C);
Two, on-test, below four groups of actions carry out side by side;
(1) action of jolting: control system (B) receives the action command that jolts from host computer (C), drive the piston rod of hydraulic cylinder (3-8) to drive the oscillating plate (3-1) that jolts along jolting sliding bearing (3-6) up-down vibration, the displacement transducer (3-9) that jolts is measured the vertical deviation of oscillating plate (3-1) that jolt in real time, while there is error in the vertical deviation of the oscillating plate that jolts (3-1) requiring when the vertical deviation of the oscillating plate that jolts (3-1) recording and the action command that jolts, control system (B) is revised the vertical deviation of the oscillating plate that jolts (3-1), the vertical deviation of oscillating plate (3-1) of making to jolt approaches the vertical deviation of the desired oscillating plate that jolts of action command (3-1) that jolts, thereby realize pitching of test seat (2-2), false stern on test seat (2-2) or false back of the body model (1-94) not only pitch with test stand cushion, also pitch by the relative spline (1-86) of spline fitted seat (1-91) simultaneously,
(2) peristaltic action: control system (B) receives the peristaltic action instruction from host computer (C), drive wriggling servomotor (1-1) to rotate, wriggling servomotor (1-1) drives wriggling guide pillar (1-4) to rotate by shaft coupling (1-3), wriggling guide pillar (1-4) drives vertical adjustment member (1-8) to rotate, vertical adjustment member (1-8) drives wriggling mould (1-9) to rotate by spline (1-86), wriggling angular transducer (1-95) is measured the wriggling angle of wriggling mould (1-9) in real time, in the time there is error in the wriggling angle of the wriggling angle of the wriggling mould (1-9) recording and the wriggling mould (1-9) of peristaltic action command request, control system (B) is revised the wriggling angle of wriggling mould (1-9), the wriggling angle of mould (1-9) of making to wriggle approaches the wriggling angle of the desired wriggling mould of peristaltic action instruction (1-9), thereby the mould (1-9) that makes to wriggle is simulated the peristaltic action of human body on test seat (2-2) accurately,
(3) transverse horizontal action: control system (B) receives the transverse horizontal action command from host computer (C), drive horizontal servomotor (2-51) to rotate, laterally servomotor (2-51) drives horizontal leading screw (2-53) to rotate by horizontal shaft coupling (2-52), laterally leading screw (2-53) drives the transverse shifting of transverse slider (2-54) on horizontal slide rail (2-56) by the nut being fixed together with transverse slider (2-54), transversal displacement sensor (2-57) is measured the transversal displacement of transverse slider (2-54) in real time, in the time there is error in the transversal displacement of the transversal displacement of the transverse slider recording (2-54) and the transverse slider (2-54) of transverse horizontal action command requirement, control system (B) is revised the transversal displacement of transverse slider (2-54), make the transversal displacement of transverse slider (2-54) approach the transversal displacement of the desired transverse slider of transverse horizontal action command (2-54), be arranged on the transverse horizontal action of transverse slider (2-54) with upper-part thereby accurately realize,
(4) vertical equity action: control system (B) receives the vertical equity action command from host computer (C), drive servo longitudinal motor (2-61) to rotate, servo longitudinal motor (2-61) drives longitudinal leadscrew (2-63) to rotate by longitudinal shaft coupling (2-62), longitudinal leadscrew (2-63) drives longitudinal sliding block (2-64) vertically moving on longitudinal slide rail (2-66) by the nut being fixed together with longitudinal sliding block (264), the length travel that length travel sensor (2-67) is measured longitudinal sliding block (2-64) in real time, in the time there is error in the length travel of the length travel of the longitudinal sliding block recording (2-64) and the longitudinal sliding block (2-64) of vertical equity action command requirement, control system (B) is revised the length travel of longitudinal sliding block (2-64), make the length travel of longitudinal sliding block (2-64) approach the length travel of the desired longitudinal sliding block of vertical equity action command (2-64), be arranged on the vertical equity action of longitudinal sliding block (2-64) with upper-part thereby accurately realize,
Three, off-test, wriggling displacement transducer (2-1) records the deflection of test seat (2-2) cushion, shows in real time and is stored in host computer (C) above, carries out subsequent experimental data processing.
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| CN104502118A (en) * | 2014-11-26 | 2015-04-08 | 芜湖福马汽车零部件有限公司 | Jolty driving simulation device for automobile seat |
| CN105352689A (en) * | 2015-11-10 | 2016-02-24 | 广州广电计量检测无锡有限公司 | Engine wiring harness fatigue testing device for vehicle |
| CN105806630A (en) * | 2016-04-01 | 2016-07-27 | 哈尔滨三迪工控工程有限公司 | Automobile seat vertical loading testing machine |
| 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 |
| CN106840693A (en) * | 2016-12-30 | 2017-06-13 | 芜湖瑞泰汽车零部件有限公司 | Automotive seat testing stand |
| CN107061569A (en) * | 2017-03-22 | 2017-08-18 | 长春工业大学 | A kind of semi-automatic brake block detection platform |
| CN109297661A (en) * | 2018-09-27 | 2019-02-01 | 盐城同环机电科技有限公司 | A kind of automotive seat endurance test bed |
| CN111121883A (en) * | 2020-02-26 | 2020-05-08 | 象山侧风电子技术有限公司 | Anti-vibration performance detection equipment |
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