CN103792056B - A kind of microcomputer controls automotive seat and jolts wriggling testing stand - Google Patents

A kind of microcomputer controls automotive seat and jolts wriggling testing stand Download PDF

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Publication number
CN103792056B
CN103792056B CN201410083545.3A CN201410083545A CN103792056B CN 103792056 B CN103792056 B CN 103792056B CN 201410083545 A CN201410083545 A CN 201410083545A CN 103792056 B CN103792056 B CN 103792056B
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CN
China
Prior art keywords
wriggling
seat
jolts
couples
longitudinal
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CN201410083545.3A
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Chinese (zh)
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CN103792056A (en
Inventor
郭孔辉
赵志文
纪云峰
冯俊
郑美玉
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吉林大学
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Priority to CN201410083545.3A priority Critical patent/CN103792056B/en
Publication of CN103792056A publication Critical patent/CN103792056A/en
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Publication of CN103792056B publication Critical patent/CN103792056B/en

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Abstract

The invention discloses a kind of microcomputer to control automotive seat and jolt wriggling testing stand and method, including body part, control system and host computer, described body part includes that two groups of wriggling modules, two groups of translation module and one group jolt and bottom support module, control system is by servo controller and connects the driver of wriggling servomotor, horizontal servomotor, servo longitudinal motor and hydraulic cylinder in body part respectively and constitutes, and servo controller connects the displacement in host computer and body part and angular transducer;The present invention can realize tested seat different frequency, the input of different amplitude waveform combination, preferably simulates the impact that seat is produced by actual road surface, provides foundation for evaluating seat quality;Present configuration is simple, highly versatile, the number of the seat that can test according to actual needs, the structure of Adjustment Tests platform.

Description

A kind of microcomputer controls automotive seat and jolts wriggling testing stand
Technical field
The invention belongs to automotive seat technical field of measurement and test, be specifically related to a kind of can be used for automotive seat jolt wriggling endurance quality test testing stand.
Background technology
Automotive seat jolts and in test of wriggling needs test specimen to be fixed on testing machine platform, adjusting the position of the false stern of simulation or false back of the body model makes sample H dot center line and simulation vacation stern or Jia Bei H dot center line align, under the frequency of 100 times/min, carry out cushion 100000 times, the vibration test of backrest 50000 times.Bump test, for the test road conditions such as simulated automotive impact shock in the process of moving, obtains the impact that seat is produced by actual road conditions, and wriggling is tested and is used for detecting Chain cushion soft and bears the creep properties after the compressing and rubbing against of constant weight for a long time.
Chinese patent application 201310263977.8 discloses a kind of automobile bumpiness wriggling durability-testing machines, but in actual use, it there is also following shortcoming: when carrying out seat bump test, be converted to move along a straight line by circular motion with crank mechanism, its precision is the highest, difficult in maintenance, inputted vibration waveform is single;Carry out seat wriggle test time, by the installation site of moved seat, H dot center line stern false with simulation or Jia Bei H dot center line are alignd, operation is complicated, wastes time and energy;Being arranged on cantilever by wriggling servomotor, when testing stand is not tested, need to live by they sup-port the quality of vermiculator, processing safety is poor;Experimental facilities can only carry out single seat test in most cases, when needing to carry out many seats or the cushion of single seat and backrest tests simultaneously simultaneously, it is impossible to expand testing stand simply, use inconvenience, without versatility;During test, it is impossible to measure and show dynamic sinkage and false stern or the change in displacement rule of false back of the body model of test stand cushion in real time, it is impossible to analyze in real time.
Summary of the invention
The present invention provides a kind of novel microcomputer to control automotive seat and jolts wriggling testing stand and test method, overcomes the above-mentioned deficiency in the presence of prior art, and makes it be applicable to the wriggling test of jolting of the automotive seat of different size, varying number.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is:
A kind of novel microcomputer controls automotive seat and jolts wriggling testing stand, including body part A, control system B and host computer C, body part A includes two groups of wriggling modules 1, two groups of translation module 2 and one group jolt and bottom support module 3, control system B is by servo controller and connects the wriggling servomotor 1-1 in body part A respectively, laterally servomotor 2-5, the driver of servo longitudinal motor 2-6 and hydraulic cylinder 3-8 is constituted, servo controller connects the wriggling displacement transducer 2-1 in host computer C and body part A, lateral 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.
nullDescribed wriggling module 1 includes wriggling servomotor 1-1、Wriggling bracing frame 1-2、Shaft coupling 1-3、Wriggling guide pillar 1-4、Auxiliary fixing plate 1-5、Fixing bolt 1-6、Wriggling sliding bearing 1-7、Vertical regulation parts 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 couples with the input of shaft coupling 1-3,The upper end of wriggling guide pillar 1-4 couples with the output of shaft coupling 1-3,Wriggling guide pillar 1-4 is coupled 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 fixing bolt 1-6,The lower end of wriggling guide pillar 1-4 couples vertical regulation parts 1-8,Vertical regulation parts 1-8 is slidably connected with wriggling mould 1-9 by spline 1-86.
nullDescribed vertical regulation parts 1-8 includes the most equipped upper mounting seat 1-81 and lower mounting seat 1-82,Upper mounting seat 1-81 is connected with wriggling guide pillar 1-4,Four peripheral wall surfaces of upper mounting seat 1-81 are provided with two to coaxial bolt hole,Four peripheral wall surfaces of lower mounting seat 1-82 are provided with the bar-shaped trough 1-83 of two pairs of vertical directions,Upper mounting seat 1-81 and lower mounting seat 1-82 fasten up and down,Upper mounting seat 1-81 and lower mounting seat 1-82 are coupled by upper fixing bolt 1-84 through bolt hole and the bar-shaped trough 1-83 on top,Upper mounting seat 1-81 and lower mounting seat 1-82 are coupled by the most fixing bolt 1-85 through bolt hole and the bar-shaped trough 1-83 of bottom,Unclamp fixing bolt 1-84 and lower fixing bolt 1-85,Upper mounting seat 1-81 can descend mounting seat 1-82 to slide up and down relatively,The end of lower mounting seat 1-82 is provided with spline 1-86,The spline fitted seat 1-91 of spline 1-86 and wriggling mould 1-9 couples.Before on-test, unclamp fixing bolt 1-84 and lower fixing bolt 1-85, lower mounting seat 1-82 is gone up mounting seat 1-81 relatively and moves to extreme higher position along bar-shaped trough 1-83, then upper fixing bolt 1-84 and lower fixing bolt 1-85 is locked, 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 to be moved by test seat 2-2 and wriggling mould 1-9 thereon to correct position to coordinate with spline 1-86, finally lower mounting seat 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, carry out test of wriggling;After having tested, lower mounting seat 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 changing or the dismounting of test seat 2-2 of wriggling mould 1-9.
Described wriggling mould 1-9 includes 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 in counterweight mounting bracket 1-92, spline fitted seat 1-91 coordinates with the spline 1-86 of vertical regulation parts 1-8, counterweight mounting bracket 1-92 couples with false stern or false back of the body model 1-94, counterweight 1-93 is arranged in counterweight mounting bracket 1-92, the quality of counterweight 1-93 can be regulated according to actual needs, false stern or false back of the body model 1-94 are designed according to SAE_J826 standard and make, on false stern or false back of the body model 1-94, wriggling angular transducer 1-95 is installed.
nullDescribed translation module 2 includes wriggling displacement transducer 2-1、Test seat 2-2、Test seat support 2-3、Seat installing 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 the amount of recess of test seat 2-2 cushion in real time,Test seat support 2-3 is arranged on seat installing plate 2-4,Seat installing plate 2-4 couples with the transverse slider 2-54 of transverse shifting platform 2-5,Transverse slider 2-54 matches with horizontal slide rail 2-56,Laterally the front end of servomotor 2-51 and horizontal shaft coupling 2-52 couples,Laterally the rear end of shaft coupling 2-52 couples 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 couples with transverse support 2-55,Laterally slide rail 2-56 couples with the longitudinal sliding block 2-64 vertically moving platform 2-6,Longitudinal sliding block 2-64 matches with longitudinal slide rail 2-66,Servo longitudinal motor 2-61 couples with the front end of longitudinal shaft coupling 2-62,The rear end of longitudinal shaft coupling 2-62 couples with longitudinal leadscrew 2-63,Longitudinal leadscrew 2-63 matches with longitudinal sliding block 2-64,The end of longitudinal leadscrew 2-63 couples with longitudinal bearing 2-65,Longitudinal slide rail 2-65 couples with pitch plate 3-1,Transverse shifting platform 2-5 is the horizontal and vertical horizontal vibration of motoring ring test seat together with vertically moving platform 2-6,Lateral displacement sensor 2-57 and length travel sensor 2-67 it is respectively equipped with on transverse slider 2-54 and longitudinal sliding block 2-64.
nullDescribed jolt and bottom support module 3 includes pitch plate 3-1、Jolt connection pole socket 3-2、Steady pin 3-3、Jolt connecting rod 3-4、Bottom support frame 3-5、Jolt sliding bearing 3-6、Jolt guide pillar 3-7、Hydraulic cylinder 3-8 and the displacement transducer 3-9 that jolts,Wherein said pitch plate 3-1 couples with the longitudinal slide rail 2-65 vertically moving platform 2-6,Pitch plate 3-1 has the connection pole socket 3-2 that jolts,Connecting rod 3-4 of jolting is connected pole socket 3-2 connection by steady pin 3-3 with jolting,Pitch plate 3-1 is arranged below four symmetrical guide pillar 3-7 that jolt,The guide pillar 3-7 that jolts is coupled with bottom support frame 3-5 by the sliding bearing 3-6 that jolts,Pitch plate 3-1 is moved 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 couples with connecting rod 3-4 of jolting,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 pitch plate 3-1,Measure the vertical deviation of pitch plate 3-1 in real time.
Alternatively, spline 1-86 can be selected for ball spline, and motion is more steadily reliable.
Preferably, jolt and the power source of bottom support module 3 is replaced by linear electric motors 3-10, now, relative motion between the mover 3-101 and stator 3-102 of linear electric motors 3-10, mover 3-301 couples with the guide pillar 3-7 that jolts, linear electric motors response is fast, and frequency is high, can preferably simulate the impact that seat is produced by actual road conditions.
Alternatively, wriggling module 1 and translation module 2 can be designed as one group, so when only testing to separate unit seat, it is to avoid the seat testing stand zero load vibration of opposite side, it is possible to decrease the cost of manufacture of equipment, save the energy.
Alternatively, wriggling module 1 and translation module 2 can be designed as three groups or more groups, so can give three simultaneously and do experiment with seat, improve operating efficiency.
A kind of novel microcomputer utilizing above-mentioned testing stand controls automotive seat and jolts wriggling test method, and it concretely comprises the following steps:
1, on host computer C, set the moving target instruction of jerky motion, peristaltic action, transverse horizontal action and vertical equity action;
2, on-test, four groups of actions perform side by side below;
null(1) jerky motion: the jerky motion that control system B receives from host computer C instructs,The piston rod driving hydraulic cylinder 3-8 drives pitch plate 3-1 along jolting sliding bearing 3-6 up-down vibration,The displacement transducer 3-9 that jolts measures the vertical deviation of pitch plate 3-1 in real time,When there is error with the vertical deviation of the pitch plate 3-1 of jerky motion command request in the vertical deviation of the pitch plate 3-1 recorded,The vertical deviation of pitch plate 3-1 is modified by control system B,Make the vertical deviation vertical deviation close to the pitch plate 3-1 required by jerky motion instruction of pitch plate 3-1,Thus realize testing pitching of seat 2-2,False stern or false back of the body model 1-94 on test seat 2-2 not only pitch with test stand cushion,Pitch relative to spline 1-86 also by spline fitted seat 1-91 simultaneously.
null(2) peristaltic action: the peristaltic action that control system B receives from host computer C instructs,Wriggling servomotor 1-1 is driven 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 regulation parts 1-8 to rotate,Vertical regulation parts 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,When there is error with the wriggling angle of the wriggling mould 1-9 of peristaltic action command request in the wriggling angle of the wriggling mould 1-9 recorded,The wriggling angle of wriggling mould 1-9 is modified by control system B,Make the wriggling angle wriggling angle close to the wriggling mould 1-9 required by peristaltic action instruction of wriggling mould 1-9,So that wriggling mould 1-9 simulates human body peristaltic action on test seat 2-2 accurately.
null(3) transverse horizontal action: control system B receives the transverse horizontal action command from host computer C,Horizontal servomotor 2-51 is driven 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 is by the nut drive transverse slider 2-54 transverse shifting on horizontal slide rail 2-56 being fixed together with transverse slider 2-54,Lateral displacement sensor 2-57 measures the lateral displacement of transverse slider 2-54 in real time,When there is error in the lateral displacement of the transverse slider 2-54 that the lateral displacement of the transverse slider 2-54 recorded requires with transverse horizontal action command,The lateral displacement of transverse slider 2-54 is modified by control system B,Make the lateral displacement lateral displacement close to the transverse slider 2-54 required by transverse horizontal action command of transverse slider 2-54,Thus accurately realize being arranged on the transverse slider 2-54 transverse horizontal action with upper-part.
null(4) vertical equity action: control system B receives the vertical equity action command from host computer C,Servo longitudinal motor 2-61 is driven to rotate,Servo longitudinal motor 2-61 drives longitudinal leadscrew 2-63 to rotate by longitudinal shaft coupling 2-62,Longitudinal leadscrew 2-63 is by nut drive longitudinal sliding block 2-64 the vertically moving on longitudinal slide rail 2-66 being fixed together with longitudinal sliding block 264,Length travel sensor 2-67 measures the length travel of longitudinal sliding block 2-64 in real time,When there is error in the length travel of the longitudinal sliding block 2-64 that the length travel of the longitudinal sliding block 2-64 recorded requires with vertical equity action command,The length travel of longitudinal sliding block 2-64 is modified by control system B,Make the length travel length travel close to the longitudinal sliding block 2-64 required by vertical equity action command of longitudinal sliding block 2-64,Thus accurately realize being arranged on the longitudinal sliding block 2-64 vertical equity action with upper-part.
3, off-test, wriggling displacement transducer 2-1 records the deflection of test seat 2-2 cushion, shows in real time and be stored on host computer C, carrying out subsequent experimental data process.
Advantages of the present invention and providing the benefit that:
Hydraulic cylinder or linear electric motors are used to do power source, control system is utilized to control hydraulic cylinder or linear electric motors and the vibration of wriggling servomotor, realize tested seat different frequency, the input of different amplitude waveform combination, preferably simulate the impact that seat is produced by actual road surface, provide foundation for evaluating seat quality;Present configuration is simple, highly versatile, the number of the seat that can test the most according to actual needs, the structure of Adjustment Tests platform, saves the energy, and easy and simple to handle, cost performance is higher.
Accompanying drawing explanation
Fig. 1 is the overall schematic of the present invention;
Fig. 2 is the front view of the present invention;
Fig. 3 is the side view (not including compacted movable supporting stent) of the present invention;
Fig. 4 is the top view (not including compacted movable supporting stent) of the present invention;
Fig. 5 is I partial enlarged drawing of Fig. 1;
Fig. 6 is vertical regulation parts and false stern or the structural representation of the false back of the body;
Fig. 7 is the structure chart of vertical regulation parts;
Wherein, Fig. 7 (a) is vertical regulation parts front view;Fig. 7 (b) is A-A profile in Fig. 7 (a);Fig. 7 (c) is vertical regulation component side view;Fig. 7 (d) is B-B profile in Fig. 7 (c);
Fig. 8 is the structure chart of wriggling mould;
Wherein, Fig. 8 (a) is the axial schematic diagram of wriggling mould;Fig. 8 (b) is the top view of wriggling mould;
Fig. 9 is the schematic diagram of translation module critical piece;
Figure 10 is to be the test method flow chart of the present invention;
Figure 11 be power source be 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 module, 3 jolt 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 fix bolt, 1-7 wriggling sliding bearing, 1-8 vertical regulation parts, 1-9 wriggling mould;
Bolt, 1-86 spline is fixed under mounting seat, 1-83 bar-shaped trough, 1-84 upper fixing bolt, 1-85 under the upper mounting seat of 1-81,1-82;
1-91 spline fitted seat, 1-92 counterweight mounting bracket, 1-93 counterweight, 1-94 vacation stern or the 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 seat installing 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 lateral displacement sensor;
2-61 servo longitudinal motor, 2-62 longitudinal direction shaft coupling, 2-63 longitudinal leadscrew, 2-64 longitudinal sliding block, 2-65 longitudinal direction bearing, 2-66 longitudinal direction slide rail, 2-67 length travel sensor;
3-1 pitch plate, 3-2 connection pole socket, 3-3 steady pin, 3-4 connecting rod, 3-5 bottom support frame, 3-6 jolt guide pillar, 3-8 hydraulic cylinder, the 3-9 of sliding bearing, 3-7 that jolt that jolt that jolt jolts displacement transducer, 3-10 linear electric motors, 3-101 mover, 3-102 stator
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in detail.
Fig. 1 is the overall schematic of the present invention, in conjunction with Fig. 2 to Fig. 3, the novel microcomputer of one of the visible present invention controls automotive seat and jolts wriggling testing stand, including body part A, control system B and host computer C, body part A includes two groups of wriggling modules 1, two groups of translation module 2 and one group jolt and bottom support module 3, control system B is by servo controller and connects the wriggling servomotor 1-1 in body part A respectively, laterally servomotor 2-5, the driver of servo longitudinal motor 2-6 and hydraulic cylinder 3-8 is constituted, servo controller connects the wriggling displacement transducer 2-1 in host computer C and body part A, lateral 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.
nullFig. 5 is I partial enlarged drawing of Fig. 1,Visible described wriggling module 1 includes wriggling servomotor 1-1、Wriggling bracing frame 1-2、Shaft coupling 1-3、Wriggling guide pillar 1-4、Auxiliary fixing plate 1-5、Fixing bolt 1-6、Wriggling sliding bearing 1-7、Vertical regulation parts 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 couples with the input of shaft coupling 1-3,The upper end of wriggling guide pillar 1-4 couples with the output of shaft coupling 1-3,Wriggling guide pillar 1-4 is coupled 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 fixing bolt 1-6,The lower end of wriggling guide pillar 1-4 couples vertical regulation parts 1-8,Vertical regulation parts 1-8 is slidably connected with wriggling mould 1-9 by spline 1-86.
Fig. 6 is vertical regulation parts and false stern or the structural representation of the false back of the body;nullDescribed vertical regulation parts 1-8 includes the most equipped upper mounting seat 1-81 and lower mounting seat 1-82,Upper mounting seat 1-81 is connected with wriggling guide pillar 1-4,Four peripheral wall surfaces of upper mounting seat 1-81 are provided with two to coaxial bolt hole,Four peripheral wall surfaces of lower mounting seat 1-82 are provided with the bar-shaped trough 1-83 of two pairs of vertical directions,Upper mounting seat 1-81 and lower mounting seat 1-82 fasten up and down,Upper mounting seat 1-81 and lower mounting seat 1-82 are coupled by upper fixing bolt 1-84 through bolt hole and the bar-shaped trough 1-83 on top,Upper mounting seat 1-81 and lower mounting seat 1-82 are coupled by the most fixing bolt 1-85 through bolt hole and the bar-shaped trough 1-83 of bottom,Unclamp fixing bolt 1-84 and lower fixing bolt 1-85,Upper mounting seat 1-81 can descend mounting seat 1-82 to slide up and down relatively,The end of lower mounting seat 1-82 is provided with spline 1-86,The spline fitted seat 1-91 of spline 1-86 and wriggling mould 1-9 couples.In conjunction with Fig. 7 (a) to Fig. 7 (d), detail view for vertical regulation parts 1-8, during test, unclamp fixing bolt 1-84 and lower fixing bolt 1-85, lower mounting seat 1-82 is gone up mounting seat 1-81 relatively and moves to extreme higher position along bar-shaped trough 1-83, then upper fixing bolt 1-84 and lower fixing bolt 1-85 is locked, 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 to be moved by test seat 2-2 and wriggling mould 1-9 thereon to correct position to coordinate with spline 1-86, finally lower mounting seat 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, carry out test of wriggling;After having tested, lower mounting seat 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 changing or the dismounting of test seat 2-2 of wriggling mould 1-9.
nullFig. 8 is the structure chart of wriggling mould,Visible described wriggling mould 1-9 includes 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 in counterweight mounting bracket 1-92,Spline fitted seat 1-91 coordinates with the spline 1-86 of vertical regulation parts 1-8,Counterweight mounting bracket 1-92 couples with false stern or false back of the body model 1-94,Counterweight 1-93 is arranged in counterweight mounting bracket 1-92,The quality of counterweight 1-93 can be regulated according to actual needs,False stern or false back of the body model 1-94 are designed according to SAE_J826 standard and make,On false stern or false back of the body model 1-94, wriggling angular transducer 1-95 is installed.
nullFig. 9 is the schematic diagram of translation module critical piece,Visible described translation module 2 includes wriggling displacement transducer 2-1、Test seat 2-2、Test seat support 2-3、Seat installing 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 the amount of recess of test seat 2-2 cushion in real time,Test seat support 2-3 is arranged on seat installing plate 2-4,Seat installing plate 2-4 couples with the transverse slider 2-54 of transverse shifting platform 2-5,Transverse slider 2-54 matches with horizontal slide rail 2-56,Laterally the front end of servomotor 2-51 and horizontal shaft coupling 2-52 couples,Laterally the rear end of shaft coupling 2-52 couples 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 couples with transverse support 2-55,Laterally slide rail 2-56 couples with the longitudinal sliding block 2-64 vertically moving platform 2-6,Longitudinal sliding block 2-64 matches with longitudinal slide rail 2-66,Servo longitudinal motor 2-61 couples with the front end of longitudinal shaft coupling 2-62,The rear end of longitudinal shaft coupling 2-62 couples with longitudinal leadscrew 2-63,Longitudinal leadscrew 2-63 matches with longitudinal sliding block 2-64,The end of longitudinal leadscrew 2-63 couples with longitudinal bearing 2-65,Longitudinal slide rail 2-65 couples with pitch plate 3-1,Transverse shifting platform 2-5 is the horizontal and vertical horizontal vibration of motoring ring test seat together with vertically moving platform 2-6,Lateral displacement sensor 2-57 and length travel sensor 2-67 it is respectively equipped with on transverse slider 2-54 and longitudinal sliding block 2-64.
nullDescribed jolt and bottom support module 3 includes pitch plate 3-1、Jolt connection pole socket 3-2、Steady pin 3-3、Jolt connecting rod 3-4、Bottom support frame 3-5、Jolt sliding bearing 3-6、Jolt guide pillar 3-7、Hydraulic cylinder 3-8 and the displacement transducer 3-9 that jolts,Wherein said pitch plate 3-1 couples with the longitudinal slide rail 2-65 vertically moving platform 2-6,Pitch plate 3-1 has the connection pole socket 3-2 that jolts,Connecting rod 3-4 of jolting is connected pole socket 3-2 connection by steady pin 3-3 with jolting,Pitch plate 3-1 is arranged below four symmetrical guide pillar 3-7 that jolt,The guide pillar 3-7 that jolts is coupled with bottom support frame 3-5 by the sliding bearing 3-6 that jolts,Pitch plate 3-1 is moved 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 couples with connecting rod 3-4 of jolting,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 pitch plate 3-1,Measure the vertical deviation of pitch plate 3-1 in real time.
Alternatively, spline 1-86 can be selected for ball spline, and motion is more steadily reliable.
Preferably, jolt and the power source of bottom support module 3 is replaced by linear electric motors 3-10, as shown in figure 11, now, relative motion between the mover 3-101 and stator 3-102 of linear electric motors 3-10, mover 3-301 couples with the guide pillar 3-7 that jolts, and linear electric motors response is fast, frequency is high, can preferably simulate the impact that seat is produced by actual road conditions.
Alternatively, wriggling module 1 and translation module 2 can be designed as one group, as shown in figure 12, so when only testing to separate unit seat, it is to avoid the seat testing stand zero load vibration of opposite side, it is possible to decrease the cost of manufacture of equipment, save the energy.
Alternatively, wriggling module 1 and translation module 2 can be designed as three groups or more groups, so can give three simultaneously and do experiment with seat, improve operating efficiency.Figure 13 show the embodiment schematic diagram of three pedestal chair tests.
A kind of novel microcomputer utilizing above-mentioned testing stand controls automotive seat and jolts wriggling test method, and in conjunction with the test method flow chart described in Figure 10, it concretely comprises the following steps:
1, on host computer C, set the moving target instruction of jerky motion, peristaltic action, transverse horizontal action and vertical equity action;
2, on-test, four groups of actions perform side by side below;
null(1) jerky motion: the jerky motion that control system B receives from host computer C instructs,The piston rod driving hydraulic cylinder 3-8 drives pitch plate 3-1 along jolting sliding bearing 3-6 up-down vibration,The displacement transducer 3-9 that jolts measures the vertical deviation of pitch plate 3-1 in real time,When there is error with the vertical deviation of the pitch plate 3-1 of jerky motion command request in the vertical deviation of the pitch plate 3-1 recorded,The vertical deviation of pitch plate 3-1 is modified by control system B,Make the vertical deviation vertical deviation close to the pitch plate 3-1 required by jerky motion instruction of pitch plate 3-1,Thus realize testing pitching of seat 2-2,False stern or false back of the body model 1-94 on test seat 2-2 not only pitch with test stand cushion,Pitch relative to spline 1-86 also by spline fitted seat 1-91 simultaneously.
null(2) peristaltic action: the peristaltic action that control system B receives from host computer C instructs,Wriggling servomotor 1-1 is driven 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 regulation parts 1-8 to rotate,Vertical regulation parts 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,When there is error with the wriggling angle of the wriggling mould 1-9 of peristaltic action command request in the wriggling angle of the wriggling mould 1-9 recorded,The wriggling angle of wriggling mould 1-9 is modified by control system B,Make the wriggling angle wriggling angle close to the wriggling mould 1-9 required by peristaltic action instruction of wriggling mould 1-9,So that wriggling mould 1-9 simulates human body peristaltic action on test seat 2-2 accurately.
null(3) transverse horizontal action: control system B receives the transverse horizontal action command from host computer C,Horizontal servomotor 2-51 is driven 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 is by the nut drive transverse slider 2-54 transverse shifting on horizontal slide rail 2-56 being fixed together with transverse slider 2-54,Lateral displacement sensor 2-57 measures the lateral displacement of transverse slider 2-54 in real time,When there is error in the lateral displacement of the transverse slider 2-54 that the lateral displacement of the transverse slider 2-54 recorded requires with transverse horizontal action command,The lateral displacement of transverse slider 2-54 is modified by control system B,Make the lateral displacement lateral displacement close to the transverse slider 2-54 required by transverse horizontal action command of transverse slider 2-54,Thus accurately realize being arranged on the transverse slider 2-54 transverse horizontal action with upper-part.
null(4) vertical equity action: control system B receives the vertical equity action command from host computer C,Servo longitudinal motor 2-61 is driven to rotate,Servo longitudinal motor 2-61 drives longitudinal leadscrew 2-63 to rotate by longitudinal shaft coupling 2-62,Longitudinal leadscrew 2-63 is by nut drive longitudinal sliding block 2-64 the vertically moving on longitudinal slide rail 2-66 being fixed together with longitudinal sliding block 264,Length travel sensor 2-67 measures the length travel of longitudinal sliding block 2-64 in real time,When there is error in the length travel of the longitudinal sliding block 2-64 that the length travel of the longitudinal sliding block 2-64 recorded requires with vertical equity action command,The length travel of longitudinal sliding block 2-64 is modified by control system B,Make the length travel length travel close to the longitudinal sliding block 2-64 required by vertical equity action command of longitudinal sliding block 2-64,Thus accurately realize being arranged on the longitudinal sliding block 2-64 vertical equity action with upper-part.
3, off-test, wriggling displacement transducer 2-1 records the deflection of test seat 2-2 cushion, shows in real time and be stored on host computer C, carrying out subsequent experimental data process.

Claims (7)

1. microcomputer controls automotive seat and jolts a wriggling testing stand, including body part (A), control system (B) and host computer (C), it is characterised in that:
Described body part (A) includes that two groups of wriggling modules (1), two groups of translation module (2) and one group jolt and bottom support module (3), control system (B) by servo controller and connects the wriggling servomotor (1-1) in body part (A), horizontal servo electricity respectively The driver of machine (2-5), servo longitudinal motor (2-6) and hydraulic cylinder (3-8) is constituted, and servo controller connects host computer (C) and machine Wriggling displacement transducer 2-1, lateral displacement sensor 2-57, length travel sensor 2-67 and position of jolting in body portion (A) Displacement sensor 3-9;
The translation module (2) of described body part (A) is arranged on wriggling module (1) below, jolts and bottom support module (3) is arranged In translation module (2) below;
Described wriggling module (1) includes wriggling servomotor (1-1), wriggling bracing frame (1-2), shaft coupling (1-3), wriggling guide pillar (1-4), auxiliary fixing plate (1-5), fixing bolt (1-6), wriggling sliding bearing (1-7), vertical regulation parts (1-8), spline (1-86) With wriggling mould (1-9), wherein, described wriggling servomotor (1-1) is fixed on wriggling bracing frame (1-2), wriggling servomotor (1-1) output shaft couples with the input of shaft coupling (1-3), and the upper end of wriggling guide pillar (1-4) joins with the output of shaft coupling (1-3) Connecing, wriggling guide pillar (1-4) is coupled with auxiliary fixing plate (1-5) by wriggling sliding bearing (1-7), and auxiliary fixing plate (1-5) is by fixing Bolt (1-6) is fixed on wriggling bracing frame (1-2), and the lower end of wriggling guide pillar (1-4) couples vertical regulation parts (1-8), vertical regulation Parts (1-8) are slidably connected with wriggling mould (1-9) by spline (1-86);
Described vertical regulation parts (1-8) include the most equipped upper mounting seat (1-81) and lower mounting seat (1-82), upper mounting seat (1-81) being connected with wriggling guide pillar (1-4), four peripheral wall surfaces of upper mounting seat (1-81) are provided with two to coaxial bolt hole, lower mounting seat (1-82) it is upper and lower that four peripheral wall surfaces are provided with the bar-shaped trough (1-83) of two pairs of vertical directions, upper mounting seat (1-81) and lower mounting seat (1-82) Fasten, upper fixing bolt (1-84) through the bolt hole on top and bar-shaped trough (1-83) by upper mounting seat (1-81) and lower mounting seat (1-82) Couple, lower fixing bolt (1-85) through the bolt hole of bottom and bar-shaped trough (1-83) by upper mounting seat (1-81) and lower mounting seat (1-82) Coupling, unclamp fixing bolt (1-84) and lower fixing bolt (1-85), upper mounting seat (1-81) can descend mounting seat (1-82) upper and lower relatively Sliding, the end of lower mounting seat (1-82) is provided with the spline fitted seat (1-91) of spline (1-86), spline (1-86) and wriggling mould (1-9) Couple.
A kind of microcomputer the most according to claim 1 controls automotive seat and jolts wriggling testing stand, it is characterised in that:
Described wriggling mould (1-9) include 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) On, spline fitted seat (1-91) coordinates with the spline (1-86) of vertical regulation parts (1-8), counterweight mounting bracket (1-92) and false stern or False back of the body model (1-94) couples, and counterweight (1-93) is arranged in counterweight mounting bracket (1-92), can regulate counterweight (1-93) according to actual needs Quality, false stern or false back of the body model (1-94) be designed according to S (A) E_J (826) standard and make, false stern or false back of the body model (1-94) On wriggling angular transducer (1-95) is installed.
A kind of microcomputer the most according to any one of claim 1 to 2 controls automotive seat and jolts wriggling testing stand, and it is special Levy and be:
Described spline (1-86) is ball spline.
A kind of microcomputer the most according to claim 1 controls automotive seat and jolts wriggling testing stand, it is characterised in that:
Described translation module (2) includes wriggling displacement transducer (2-1), test seat (2-2), test seat support (2-3), seat Installing plate (2-4), transverse shifting platform (2-5) and vertically move platform (2-6), wherein, described wriggling displacement transducer (2-1) Being 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), in real time Measuring the amount of recess of test seat (2-2) cushion, test seat support (2-3) is arranged on seat installing plate (2-4), seat installing plate (2-4) coupling 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) couples with the front end of horizontal shaft coupling (2-52), the rear end of horizontal shaft coupling (2-52) and horizontal leading screw (2-53) coupling, horizontal leading screw (2-53) matches with transverse slider (2-54), the end of horizontal leading screw (2-53) and transverse support (2-55) Coupling, horizontal slide rail (2-56) couples with the longitudinal sliding block (2-64) vertically moving platform (2-6), and longitudinal sliding block (2-64) is with the most sliding Rail (2-66) matches, and servo longitudinal motor (2-61) couples with the front end of longitudinal shaft coupling (2-62), after longitudinal shaft coupling (2-62) End couple with longitudinal leadscrew (2-63), longitudinal leadscrew (2-63) matches with longitudinal sliding block (2-64), the end of longitudinal leadscrew (2-63) and Longitudinal bearing (2-65) couples, and longitudinal slide rail (2-65) couples with pitch plate (3-1), transverse shifting platform (2-5) and vertically moving The horizontal and vertical horizontal vibration of platform (2-6) motoring ring test seat together, transverse slider (2-54) and longitudinal sliding block (2-64) are upper respectively It is provided with lateral displacement sensor (2-57) and length travel sensor (2-67).
A kind of microcomputer the most according to claim 1 controls automotive seat and jolts wriggling testing stand, it is characterised in that:
Described jolt and bottom support module (3) include pitch plate (3-1), connection pole socket (3-2) of jolting, steady pin (3-3), Connecting rod of jolting (3-4), bottom support frame (3-5), the sliding bearing that jolts (3-6), the guide pillar that jolts (3-7), hydraulic cylinder (3-8) and top Winnowing with a dustpan displacement transducer (3-9), wherein said pitch plate (3-1) couples with the longitudinal slide rail (2-65) vertically moving platform (2-6), Pitch plate (3-1) has connection pole socket (3-2) of jolting, and connecting rod of jolting (3-4) is connected pole socket by steady pin (3-3) with jolting (3-2) couple, pitch plate (3-1) four piece symmetrical jolt guide pillars (3-7) are arranged below, the guide pillar that jolts (3-7) by top Sliding bearing (3-6) of winnowing with a dustpan couples with bottom support frame (3-5), pitch plate (3-1) by the guide pillar that jolts (3-7) along jolting sliding bearing (3-6) moving up and down, the piston rod of power source hydraulic cylinder (3-8) directly couples with connecting rod of jolting (3-4), the displacement transducer that jolts (3-9) Being fixed on bottom support frame (3-5), the reference test bar of the displacement transducer that jolts (3-9) is arranged on pitch plate (3-1), surveys in real time The vertical deviation of amount pitch plate (3-1).
A kind of microcomputer the most according to claim 5 controls automotive seat and jolts wriggling testing stand, it is characterised in that:
Described jolt and the power source of bottom support module (3) is linear electric motors (3-10), the mover (3-101) of linear electric motors (3-10) And relative motion between stator (3-102), mover (3-301) couples with the guide pillar that jolts (3-7).
A kind of microcomputer the most according to claim 1 controls automotive seat and jolts wriggling testing stand, it is characterised in that:
Described wriggling module (1) and translation module (2) are designed as one group, three groups or more groups.
CN201410083545.3A 2014-03-08 2014-03-08 A kind of microcomputer controls automotive seat and jolts wriggling testing stand CN103792056B (en)

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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
CN109297661B (en) * 2018-09-27 2020-10-09 盐城同环机电科技有限公司 Durability test bed for automobile seat
CN111121883B (en) * 2020-02-26 2020-11-06 深圳市美信检测技术股份有限公司 Anti-vibration performance detection equipment

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JP2003240673A (en) * 2002-02-18 2003-08-27 Fujitsu Ltd Rotational vibration testing machine
AT8091U1 (en) * 2004-06-09 2006-01-15 Magna Steyr Fahrzeugtechnik Ag Device for simulating a side collision of a motor vehicle
KR100771826B1 (en) * 2005-08-31 2007-10-30 현대모비스 주식회사 airbag positioning device for a test of side impact of a vehicle
CN102156036B (en) * 2011-02-25 2012-07-25 哈尔滨三迪工控工程有限公司 Bump peristaltic test machine used for vehicle seat
CN103364165B (en) * 2013-06-27 2016-06-08 浙江龙生汽车部件股份有限公司 A kind of automotive seat jolts wriggling durability-testing machines

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