CN109506947A - Corner for automobile chair frame Stromeyer test equipment rotates loading device - Google Patents
Corner for automobile chair frame Stromeyer test equipment rotates loading device Download PDFInfo
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- CN109506947A CN109506947A CN201811248108.7A CN201811248108A CN109506947A CN 109506947 A CN109506947 A CN 109506947A CN 201811248108 A CN201811248108 A CN 201811248108A CN 109506947 A CN109506947 A CN 109506947A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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Abstract
The present invention relates to a kind of corners for automobile chair frame Stromeyer test equipment to rotate loading device, and test seat is fixedly connected by seat mounting platform to be mounted on above base, and the position-detection sensor is mounted on side above base by bracket；Adjustment mechanism is fixedly connected on the other side above base；Servo motor is installed on the mounting platform of adjustment mechanism, and electric servo is connect by retarder, Hooks coupling universal coupling, rotation handwheel with the angle adjustor tested on chair framework；Torque sensor is connected between retarder and Hooks coupling universal coupling, torque sensor is used for real-time detection load torque, the servo motor connects control system, it is required by control system according to the examination criteria of chair framework fatigue strength, control servo motor drives the angle adjustor rotation on chair framework by retarder, Hooks coupling universal coupling, rotation handwheel.The device is able to satisfy the testing requirements of the associated vehicle chair framework Stromeyer test standard of different type and different model size.
Description
Technical field
The present invention relates to a kind of testing equipments for automobile chair frame fatigue strength test, especially a kind of to be used for vapour
The corner (angle adjustor) of the Stromeyer test of all kinds of front-row seats of vehicle skeletons of turner industry rotates loading device.
Background technique
The safety of automotive seat is classified as one of most important index in automobile overall performance by Global Auto industry.Because of vapour
It is also protective device that vehicle seats, which are not only Riding Accommodation, guarantees that the safety of automotive seat is design and the weight for examining automotive seat
It works, and chair framework fatigue strength is the important factor in order in automotive seat safety and service life.Therefore, chair framework
Fatigue strength is necessary security performance Testing index during all kinds of automotive seats are manufactured, and is to guarantee properties of product, mention
High yield quality and the important means for examining product reliability, the seat of seating product either newly developed or produced on-site
Product all be unable to do without its Stromeyer test.Automobile chair frame Stromeyer test includes automobile chair frame in ordinance load
It is vapour with the Stromeyer test of the relative rotation for being carried out continuously up to ten thousand times under certain revolving speed between backrest and pelvis under effect
A necessary important detection test in vehicle seats fatigue test.
Automobile chair frame Stromeyer test is backrest frames to chair framework during production and application, sits pelvis
Whether the components such as frame, angle adjustor generate the situations such as the insufficient, deformation of intensity, seat integral solder intensity deficiency, skeleton and generate abnormal sound
Etc. failure conditions detected, to ensure the safety of automobile and its seat in the process of running, ensure driver and passenger the person and
Property safety, and technical parameter foundation is provided for auto parts and components Curve guide impeller, optimization structure.
Domestic Automotive Industry is fast-developing, and car ownership rises year by year, sets to the detection of automobile and its related components
It is standby to propose new higher requirement.It and is mostly currently on the market that structure is complicated, function about the detection device of automotive seat
Abundant, the higher testing equipment of technical requirements causes inconvenient engineers and technicians, adjustment and automatic compensation performance deficiency etc.
Problem.Automobile chair frame fatigue strength detection test field needs a kind of not only structure simple but also can sufficiently meet associated seat
The method and apparatus that testing standard requires, to reach seat detection test simplicity and have to different type difference size seat wide
The requirement of general adaptability.
Summary of the invention
The object of the invention is intended to provide a kind of corner rotation load for automobile chair frame Stromeyer test equipment
Device, the device include the control of corner (angle adjustor) rotation fatigue detecting and position adjustment structure, meet different type and difference
The testing requirements of the associated vehicle chair framework Stromeyer test standard of gauge size；And it can solve to close in prior art equipment
Chair framework is between the backrest and pelvis under ordinance load effect with certain revolving speed in automobile chair frame Stromeyer test
Under be carried out continuously the deficiencies of up to ten thousand time load of relative rotary motions back and forth control and position adjust problem, corner rotation load
Device can meet the requirement of associated vehicle seat testing standard, have the extensive adaptability to different type difference size seat.
To achieve the above object, the technical scheme is that a kind of set for automobile chair frame Stromeyer test
Standby corner rotates loading device, including base, bracket, seat mounting platform, position-detection sensor, test seat, rotation
Handwheel, Hooks coupling universal coupling, torque sensor, servo motor, retarder, adjustment mechanism, the test seat are installed by seat
Platform, which is fixedly connected, to be mounted on above base, and the position-detection sensor is mounted on side above base by bracket；Adjustment
Mechanism is fixedly connected on the other side above base；Servo motor is installed on the mounting platform of adjustment mechanism, and electric servo passes through
Retarder, Hooks coupling universal coupling, rotation handwheel are connect with the angle adjustor tested on chair framework；Between retarder and Hooks coupling universal coupling
It is connected with torque sensor, torque sensor is used for real-time detection load torque, and the servo motor connects control system, by controlling
System processed controls servo motor and passes through retarder, Hooks coupling universal coupling, turns according to the examination criteria requirement of chair framework fatigue strength
The angle adjustor rotation started on wheel drive chair framework, so that backrest frames be driven to make positive and negative reciprocal relative rotation fortune as required
It is dynamic.
The adjustment mechanism is made of longitudinal elevating mechanism and transverse moving mechanism, and the transverse moving mechanism is fixedly mounted
On longitudinal elevating mechanism.
It is described longitudinal direction elevating mechanism include basic platform, intermediate regulations device, longitudinally adjusted leverage, assistance platform, four groups subtract
Shake eyelid retractor.Connected between basic platform and assistance platform by longitudinally adjusted leverage, and longitudinally adjusted leverage by hinge with
Basic platform and assistance platform are hinged；Four groups of vibration reduction support devices are mounted between basic platform and assistance platform；Longitudinally adjusted bar
System is intermediate to be equipped with intermediate regulations device, and the rise and fall of assistance platform are driven by the positive and negative bidirectional rotation of intermediate regulations device.
The transverse moving mechanism include swallow-tail form sliding block, laterally adjust leverage, transverse shifting side plate, mounting platform, in
Between adjuster, lateral fixed side panel, transverse shifting sliding rail.Pass through transverse shifting side plate between transverse shifting sliding rail and mounting platform
It is connected with lateral fixed side panel, transverse shifting side plate upper end is fixedly connected with mounting platform, and lower end passes through swallow-tail form sliding block and cross
It is slidably connected to shifting sledge cooperation, lateral fixed side panel lower end is fixedly connected with transverse shifting sliding rail, upper end and mounting platform
It connects；By laterally adjusting leverage connection between transverse shifting side plate and lateral fixed side panel, leverage and cross are laterally adjusted
It is connected between mobile side plate, lateral fixed side panel using hinge arrangement；It laterally adjusts and is equipped with intermediate regulations device among leverage；It is logical
The positive and negative bidirectional rotation for crossing intermediate regulations device drives moving left and right for mounting platform.
The intermediate regulations device is made of left-handed screw, adjustable column, fastener, fastening screw, right handed screw, the adjusting
Column is equipped with one for installing the slotted hole of fastener, and shape is cylinder, and the adjustable column side is connected left by left hand thread
Screw rod is revolved, the other side is by right-handed thread right handed screw, and left-handed screw and right handed screw are respectively and in the slotted hole of adjustable column
Fastener connection, and by fastening screw locking；Rotate adjustable column, make left-handed screw and right handed screw at the same extend outwardly or
To contract.
The vibration reduction support device is by mounting base, adjusting nut, thrust ball bearing, support guide column, compressed spring, linear axis
Pressure block, linear bearing, stop sleeve form, and install support guide column above mounting base by adjusting nut, thrust ball bearing,
Support guide column connects stop sleeve, and the linear bearing briquetting of stop sleeve lower end by linear bearing briquetting, linear bearing
Compressed spring is connected between the upper surface of support guide column lower part.
The beneficial effects of the present invention are:
The device can solve advising in prior art equipment about chair framework in automobile chair frame Stromeyer test
Determine between backrest and pelvis under load effect with the load of relative rotary motion back and forth for being carried out continuously up to ten thousand times under certain revolving speed
The deficiencies of control and position adjust problem, corner rotation loading device can meet the requirement of associated vehicle seat testing standard, have
To the extensive adaptability of different type difference size seat.
The device not only can be adapted for the detection test of front-row seats of vehicle skeleton fatigue strength, be equally applicable to fold class
Fatigue life in equipment (such as: folding bicycle, folding bed, rumble seat) field tests, configure suitable connecting component and
Adjustment control parameter can be generalized to mostly in the Stromeyer test equipment of System of Rotating about Fixed Axis or rocking apparatus or component.
The corner rotates two dimensions in loading device as main adjustment direction and a dimension as secondary adjustment
Direction is applied in combination, and so that the application of device is can satisfy the test requirements document of different size seats or related components, reaches one
A ideal space test status requirement.The rotation loading device can be adapted for widely to neutral position adjustment and other
Simple support occasion.
Detailed description of the invention
Fig. 1 is that corner of the invention rotates loading device structural schematic diagram；
Fig. 2 is adjustment mechanism structural schematic diagram；
Fig. 3 is longitudinal (Z) elevating mechanism working state schematic representation；
Fig. 4 is lateral (X) mobile mechanism working state schematic representation；
Wherein: (a) working condition, (b) maximum amount of movement state；
Fig. 5 is two kinds of extreme working position schematic diagrames of longitudinal adjuster；
Wherein: state after (a) shrinking, state after (b) extending；
Fig. 6 is mounting platform structural schematic diagram；
Fig. 7 is transverse shifting skid rail structure diagram；
Wherein: (a) main view, (b) top view；
Fig. 8 is vibration reduction support device structural schematic diagram；
Fig. 9 is mounting base structural schematic diagram；
Wherein: (a) main view, (b) top view；
Figure 10 is adjusting nut structural schematic diagram；
Wherein: (a) main view, (b) top view；
Figure 11 is support guide rod structure schematic diagram；
Figure 12 is stop sleeve structural schematic diagram；
Figure 13 is four vibration reduction support device schematic view of the mounting position.
Specific embodiment
The invention will be further described with embodiment with reference to the accompanying drawing.
As shown in Figure 1, corner rotation loading device of the invention is mainly by base 1, bracket 2, seat mounting platform 3, position
Set detection sensor 4, test seat 5, rotation handwheel 6, Hooks coupling universal coupling 7, torque sensor 8, servo motor 9, retarder 10,
The composition such as adjustment mechanism 11.Several T-slots are distributed on base 1, the component for being fixedly installed on base.Seat mounting platform
3 are bolted and are mounted on the top of base 1.Test seat 5, which is bolted, is mounted on 3 top of seat mounting platform.Position
It sets detection sensor 4 and the side above of base 1 is mounted on by bracket 2.Adjustment mechanism 11, which is bolted, to be mounted on base 1
The face other side.Servo motor 9 is installed on the mounting platform of adjustment mechanism 11, and electric servo 9 passes through retarder 10, universal joint shaft
Device 7, rotation handwheel 6 are connect with test seat 5.Torque sensor 8 can show measurement motive torque.
It is required according to the examination criteria of chair framework fatigue strength, servo motor 9 is under the instruction of control system by subtracting
Fast device 10, Hooks coupling universal coupling 7, rotation handwheel 6 drive the angle adjustor rotation on chair framework, to drive backrest frames by certain
It is required that making positive and negative reciprocal relative rotary motion.The revolving speed of servo motor 9 is down to by retarder 10 meets turning for detection testing standard
Speed simultaneously increases output torque.Hooks coupling universal coupling 7 is for connecting retarder 8 and rotation handwheel 6.Torque sensor 8 for examining in real time
Survey load torque.
As shown in Fig. 2, adjustment mechanism 11 is made of longitudinal elevating mechanism and transverse moving mechanism.Transverse moving mechanism is fixed
It is mounted on longitudinal elevating mechanism.
As shown in figure 3, longitudinal (Z) elevating mechanism includes basic platform 11-1, longitudinal adjuster 11-2, longitudinally adjusted leverage
11-3, assistance platform 11-11, four groups of vibration reduction support device 11-12.By vertical between basic platform 11-1 and assistance platform 11-11
To adjustment leverage 11-3 connection, and longitudinally adjusted leverage 11-3 is cut with scissors by hinge and basic platform 11-1 and assistance platform 11-11
It connects.Four groups of vibration reduction support device 11-12 are mounted between basic platform 11-1 and assistance platform 11-11.Longitudinally adjusted leverage 11-3
Centre is equipped with longitudinal adjuster 11-2.
As shown in figure 4, transverse moving mechanism includes swallow-tail form sliding block 11-4, laterally adjusts leverage 11-5, transverse shifting side
Plate 11-6, mounting platform 11-7, transverse adjustment 11-8, lateral fixed side panel 11-9, transverse shifting sliding rail 11-10.Laterally move
By transverse shifting side plate 11-6 and lateral fixed side panel 11-9 connection between dynamic sliding rail 11-10 and mounting platform 11-7, laterally
The mobile upper end side plate 11-6 is fixedly connected with mounting platform 11-7, and lower end passes through swallow-tail form sliding block 11-4 and transverse shifting sliding rail
11-10 cooperation is slidably connected, and the lower end lateral fixed side panel 11-9 is fixedly connected with transverse shifting sliding rail 11-10, upper end and installation
Platform 11-7 is connected；Connected between transverse shifting side plate 11-6 and lateral fixed side panel 11-9 by laterally adjusting leverage 11-5
It connects, laterally adjusts and be equipped with transverse adjustment 11-8 among leverage 11-5.Laterally adjust leverage 11-5 and transverse shifting side plate 11-6,
Connection between lateral fixed side panel 11-9 uses hinge arrangement.Transverse moving mechanism working condition such as Fig. 4 (a), maximum amount of movement
As shown in Fig. 4 (b).
Corner rotates each component function of loading device and effect:
Adjustment mechanism 11 is the detection position needs that can satisfy the different different types of seat test specimens of size.Adjustment mechanism
It is divided into longitudinal direction (Z) elevating mechanism and laterally (X) mobile mechanism two parts, as shown in Figure 2.Longitudinal (Z) elevating mechanism is (such as Fig. 3 institute
Show) for adapting to the centre-height adjustment needs of corner rotation loading device and automobile chair frame angle adjustor, longitudinal (Z) lifting
Mechanism drives the rise and fall of assistance platform by the positive and negative bidirectional rotation of intermediate regulations device 2.Lateral (X) mobile mechanism is (such as
Shown in Fig. 4) moving left and right for mounting platform driven by the positive and negative bidirectional rotation of intermediate regulations device 8, adapt to corner rotation load
Device and the X of automobile chair frame angle adjustor are adjusted to position to be needed.
In adjustment mechanism 11 the characteristics of each components and effect:
1) basic platform-is for installing and supporting all parts；
2) longitudinal (Z) adjuster (as shown in Figure 5)-is by left-handed screw 21, adjustable column 22, fastener 23, fastening screw
24, right handed screw 25 etc. forms.Upper and lower position for adjusting longitudinal elevating mechanism is mobile.Adjustable column 22 is internal thread structure,
Side is left hand thread, and the other side is right-handed thread, and shape is cylinder.A slotted hole is provided with for installing fastener
23.22 side of adjustable column connects left-handed screw 21 by left hand thread, and the other side passes through right-handed thread right handed screw 25, and left-handed
Screw rod 21 and right handed screw 25 are connect with the fastener 23 in the slotted hole of adjustable column respectively, and are locked by fastening screw 24.
The fastening screw 24 on fastener 23 is unscrewed when work, rotates adjustable column 22, the two screw thread members difference being connect with adjustable column 22
It is internal screw thread matching with adjuster 22 for left-handed and right-handed thread.Screw thread club head is non-threaded round bar, is locked for fastener
Place.Adjustable column 22 is rotated when work, two screw thread members connecting with adjustable column 22 extend outwardly simultaneously, as Fig. 5 (b) or inside is received
Contracting, such as Fig. 5 (a), to drive the upper and lower position of longitudinal elevating mechanism mobile；
3) longitudinally adjusted leverage-, which is used to act synergistically with longitudinal adjuster, adjusts the lengthwise position of longitudinal moving mechanism.
4) swallow-tail form sliding block-is connect with transverse shifting side plate using screw, is placed in the dovetail groove of transverse shifting sliding rail
It is interior, sliding rail transverse shifting is laterally moved together with transverse shifting side plate.
5) leverage-is laterally adjusted to be installed in the vertical central plane of transverse shifting side plate and lateral fixed side panel, for
Transverse adjustment synergistic effect adjusts the lateral position of transverse moving mechanism.
6) transverse shifting side plate-, which follows, laterally adjusts leverage transverse shifting, and drives mounting platform transverse shifting.Laterally
Swallow-tail form sliding block is installed below mobile side plate.
7) installation region C is used to install servo motor (retarder), torque sensing mounting platform (as shown in Figure 6)-thereon
The components such as device；A is connect with transverse shifting side plate at circular hole, and B is connect with lateral fixed side panel at slotted hole, and the length of slotted hole is
For lateral adjustments distance；
8) transverse presentation that transverse adjustment-is used to adjust transverse moving mechanism sets movement.Its structure and longitudinal adjuster phase
Together；
9) lateral fixed side panel-is for the fixed non-moving side with limiting horizontal movement mechanism；
10) transverse shifting sliding rail (such as Fig. 7 (a), (b) shown)-transverse shifting sliding rail is oat tail groove structure, has movement
The characteristics of precision is high, rigidity is good, stability is good can have steady guiding and supporting role to mechanism.Transverse shifting sliding rail with
Assistance platform is connected with, and the bolt hole on transverse shifting sliding rail side is slotted hole, can make the arranged direction of sliding rail
It can make certain angle bias adjustment, along moving direction to adapt to the center of rotation axis and servo motor of seat test test specimen
The centering of the center of rotation axis of (retarder) needs；
11) assistance platform-is for installing and supporting transverse moving mechanism associated components；
12) vibration reduction support device (as shown in Figure 8)-support assistance platform, be installed on it each associated components, and reduce with
The vibration generated when rotating as caused by the factors such as installation error is reduced, the stationarity of test run is improved.
Vibration reduction support device 11-12 is by mounting base 31, adjusting nut 32, thrust ball bearing 33, support guide column 34, compression bullet
The composition such as spring 35, linear bearing briquetting 36, linear bearing 37, stop sleeve 38.Mounting base 31 above by adjusting nut 32, push away
Power ball bearing 33 installs support guide column 34, and support guide column 34 passes through linear bearing briquetting 36, the connection support of linear bearing 37
Sleeve 38, and compression is connected between 34 lower part upper surface of the linear bearing briquetting 36 of 38 lower end of stop sleeve and support guide column
Spring 35.
1) shock-absorbing support machine is mounted on basic platform by mounting base-, and is used to support guide post, compression bullet thereon
The components such as spring, are shown in Fig. 9 (a), (b)；
2) adjusting nut-is used to adjust the working condition and adjustment shock-absorbing support machine lengthwise position height of compressed spring, sees
Figure 10 (a), (b)；
3) thrust ball bearing-receiving axial force reduces the friction between adjusting nut and support guide column, is conveniently adjusted
The position of nut is adjusted.
4) support guide column-is used for the lengthwise position mobile guide of vibration reduction support device, sees Figure 11；
5) compressed spring-mainly plays absorbing buffer function.Basic platform is connected by adjustment leverage with assistance platform, adjusts
Longitudinal height of whole leverage is shorter than length of vibration reduction support device when non-loaded always, by adjusting adjusting nut, makes to compress
Spring is in compressive state always and keeps certain pretightning force, absorbing buffering and support.
6) linear bearing briquetting-is used for the fixation and positioning of linear bearing；
7) linear bearing-reduces friction for guiding support guide column steadily to move up and down；
8) stop sleeve-is used to install linear bearing and solidifies the longitudinal movement space of support guide column, sees Figure 12；
Vibration reduction support device working principle:
Longitudinal (Z-direction) position adjustment, vibration damping and support:
The diagonal symmetrical distribution (see Figure 13) of four groups of vibration reduction support device 11-12, longitudinally adjusted leverage are located in basic platform
Between position D.Adjusting nut lower end surface is located at the threaded portion lower end of mounting base at the beginning.
Longitudinal (Z-direction) elevating mechanism rises or falls, and to suitable height and position and locks by adjusting its longitudinal adjuster
Tightly；The adjusting nut in vibration reduction support device is adjusted, the compressed spring in vibration reduction support device is made to bear load and keeps centainly pre-
Pressure, while eliminating gap present in longitudinal elevating mechanism.Vibration reduction support device is in running order.
At work once there is corner rotation loading device and subjects are installed and the factors such as misalign and generate inclined
When carrying and vibrating, due to rigid far below vibration reduction support device in the integral rigidity of Z-direction using longitudinal (Z-direction) elevating mechanism in the design
Property structure design, therefore all longitudinal direction (Z-direction) elevating mechanisms are born at this time load and vibration or unbalance loading will be by vibration reduction supports
Compressed spring in device is born, and is realized good vibration damping and followed, so that corner rotation loading device is in good always
Working condition keeps the stability of load.
There is spring performance variation in the long-term use in compressed spring in order to prevent, and adjusting nut can be according to circumstances
It is adjusted amendment, improves or reduce the precompression of compressed spring.
The setting of four vibration reduction support devices can make the support of entire rotation angle rotation loading device more firm, thus
Improve the stability and reliability of corner rotation loading device work.
Setting linear bearing can guarantee the whole integraty good at work of eyelid retractor and followability, and reduce longitudinal direction
Working resistance when elevating mechanism adjusts.
Laterally the mobile mechanism position (X to) adjusts:
Laterally (X to) mobile mechanism by transverse shifting sliding rail, laterally adjust leverage, transverse adjustment, mounting platform, transverse direction
The compositions such as mobile side plate, swallow-tail form sliding block, lateral fixed side panel.At adjustment initial stage, lateral fixed side panel and assistance platform are kept
Connection, unclamp the connection spiral shell of lateral fixed side panel and mounting platform；Retain the connection spiral shell of transverse shifting side plate and mounting platform
Bolt fastening, adjusts transverse adjustment, drives transverse shifting side plate, swallow-tail form sliding block, mounting platform etc. to make by laterally adjusting leverage
Synchronizing moving；It laterally adjusts leverage and laterally moves sliding rail guide direction extension or retraction, the arranged direction of transverse shifting sliding rail
It can make small angle bias along moving direction to adjust to adapt to the axis runout of seat specimen test installation to suitable position
All connection bolts of transverse moving mechanism are locked afterwards.
It is provided with position detecting device on the relevant position of test seat, once device action is wrong or test seat goes out
Existing excessive deformation, such as the rotation angle of test seat exceed specification, will alarm immediately and provide the entire experimental rig of instruction and stop
Only work.Alarm signal is also provided when the certain position for there are personnel to enter in test area simultaneously, avoids test process by shadow
Ring or generate safety problem.
Corner rotates loading device working principle:
After seat installation to be tested is fixed, laterally (X) mobile mechanism carries out the initial adjustment of position and central axis, reaches specified
Longitudinal direction (Z) adjuster behind position in adjustment mechanism, longitudinal elevating mechanism rise or fall, and adjust to suitable position and longitudinally adjust
Save device locking.The adjuster and transverse shifting sliding rail in transverse moving mechanism are adjusted again, make turning for corner rotation loading device
Dynamic center is corresponding with the center of angle adjustor in test seat, and locks related fixing bolt.Corner rotates loading device Y-direction
Operating position directly adjusts determination when being mounted in engine base platform by the device.
The servo motor of corner rotation loading device is passed by retarder, shaft coupling, torque under the instruction of control system
The components such as sensor apply torque and are measured in real time to test seat load torque.Servo motor driving test seat is according to examination
It tests program to require to complete to provide reciprocal positive and negative rotation movement under certain revolving speed, until reaching the cycle-index of test requirements document.By
It is different from the rigidity of longitudinal elevating mechanism in vibration reduction support device, at work once there is corner rotation loading device and test pair
As install the factors such as misalign and generate unbalance loading and vibration when, all longitudinal direction (Z-direction) elevating mechanisms are born at this time load with
Vibration or unbalance loading will be born by the compressed spring in vibration reduction support device, and are realized good vibration damping and followed, so that corner rotates
Loading device is in good working order always, keeps the stability of load.
Corner of the invention rotates loading device feature:
1) the position adjustment in X, Y, Z three-dimensional coordinate direction may be implemented in corner rotation loading device；
2) fast, easily position adjusting, the movement of Control experiment seat may be implemented in corner rotation loading device, and has foot
Enough position adjustment ranges are to adapt to the test space needs of the various sizes of vehicle seat fatigue intensity of different type；
3) the longitudinally, laterally adjuster used can make the position of adjustment accurate for threaded adjustment structure；
4) it is downward to be able to bear as the connection between longitudinally guiding column and adjusting nut using thrust ball bearing for adjustment device
Axial force, reduce the friction between adjusting nut and support guide column, and the position of adjusting nut is facilitated to adjust.
5) longitudinal elevating mechanism is combined using the structure of different rigidity, at work once there is corner rotation loading device
With subjects installation the factors such as misalign and unbalance loading and vibration when, all longitudinal direction (Z-direction) elevating mechanisms are born at this time load
Lotus and vibration or unbalance loading will be born by the compressed spring in vibration reduction support device, and are realized good vibration damping and followed, so that corner
Rotation loading device is in good working order always, keeps the stability of load.
6) arranged direction of transverse shifting sliding rail can make certain angle bias adjustment along moving direction, be tried with adequacy test
The installation centering of part is eccentric, to realize adjustment of the transverse moving mechanism in position and direction；
7) transverse shifting leverage is located in the vertical central plane of transverse shifting side plate and lateral fixed side panel, and one end (right side) is solid
Fixed, the other end (left side) drives the realization of transverse shifting side plate to move in parallel, to guarantee the accuracy of adjustment position.
8) four vibration reduction support device combinations are designed, keep the support for entirely rotating loading system more firm, to improve
Corner rotates the Stability and dependability of loading device work；
9) setting of linear bearing can guarantee good followability at work and reduce longitudinal in vibration reduction support device
Working resistance when elevating mechanism adjusts；
10) it is provided with position detecting device on the relevant position of test seat, once device action is wrong or test stand
There is excessive deformation in chair, and alarming immediately and providing the entire experimental rig of instruction stops working；There are personnel to enter test area simultaneously
Alarm signal is also provided when interior certain position, test process is avoided to be affected or generate safety problem, a tractor serves several purposes.
11) using the components such as servo motor, shaft coupling, retarder, torque sensor, platform, adjustment mechanism composition
Corner rotates loading device, can complete backrest and pelvis under ordinance load effect according to control instruction during the test
Between with the control of being carried out continuously under certain revolving speed up to ten thousand times reciprocal relative rotary motions and position adjustment, meet different type
And the testing requirements of the associated vehicle chair framework Stromeyer test standard of different model size.
12) other subjects in addition to automotive seat can be completed.
Claims (7)
1. a kind of corner for automobile chair frame Stromeyer test equipment rotates loading device, including base, bracket, seat
Chair mounting platform, test seat, rotation handwheel, Hooks coupling universal coupling, torque sensor, servo motor, subtracts position-detection sensor
Fast device, adjustment mechanism, it is characterised in that: the test seat is fixedly connected by seat mounting platform to be mounted on above base,
The position-detection sensor is mounted on side above base by bracket；Adjustment mechanism is fixedly connected on another above base
Side；Servo motor is installed on the mounting platform of adjustment mechanism, and electric servo passes through retarder, Hooks coupling universal coupling, rotation handwheel
It is connect with the angle adjustor on test chair framework；Torque sensor, torque sensing are connected between retarder and Hooks coupling universal coupling
Device is used for real-time detection load torque, and the servo motor connects control system, strong according to chair framework fatigue by control system
The examination criteria requirement of degree, control servo motor drive the tune on chair framework by retarder, Hooks coupling universal coupling, rotation handwheel
Angle device rotation, so that backrest frames be driven to make positive and negative reciprocal relative rotary motion as required.
2. the corner according to claim 1 for automobile chair frame Stromeyer test equipment rotates loading device,
It is characterized by: the adjustment mechanism is made of longitudinal elevating mechanism and transverse moving mechanism, the transverse moving mechanism is fixed
It is mounted on longitudinal elevating mechanism.
3. the corner according to claim 2 for automobile chair frame Stromeyer test equipment rotates loading device,
It is characterized by: the longitudinal direction elevating mechanism includes basic platform, intermediate regulations device, longitudinally adjusted leverage, assistance platform, four groups
Vibration reduction support device is connected between the basic platform and assistance platform by longitudinally adjusted leverage, and longitudinally adjusted leverage passes through
Hinge and basic platform and assistance platform are hinged；Four groups of vibration reduction support devices are mounted between basic platform and assistance platform；It is longitudinal
It adjusts and is equipped with intermediate regulations device among leverage, drive the rising of assistance platform under by the positive and negative bidirectional rotation of intermediate regulations device
Drop.
4. the corner according to claim 3 for automobile chair frame Stromeyer test equipment rotates loading device,
It is characterized by: the vibration reduction support device is by mounting base, adjusting nut, thrust ball bearing, support guide column, compressed spring, straight
Spool pressure block, linear bearing, stop sleeve form, and lead above mounting base by adjusting nut, thrust ball bearing installation support
Xiang Zhu, support guide column connect stop sleeve, and the linear bearing of stop sleeve lower end by linear bearing briquetting, linear bearing
Compressed spring is connected between briquetting and support guide column lower part upper surface.
5. the corner according to claim 3 for automobile chair frame Stromeyer test equipment rotates loading device,
It is characterized by: the diagonal symmetrical distribution of four groups of vibration reduction support devices, longitudinally adjusted leverage are located at basic platform middle position.
6. the corner according to claim 2 for automobile chair frame Stromeyer test equipment rotates loading device,
It is characterized by: the transverse moving mechanism include swallow-tail form sliding block, laterally adjust leverage, transverse shifting side plate, mounting platform,
Intermediate regulations device, lateral fixed side panel, transverse shifting sliding rail, by laterally moving between the transverse shifting sliding rail and mounting platform
Dynamic side plate is connected with lateral fixed side panel, and transverse shifting side plate upper end is fixedly connected with mounting platform, and lower end is sliding by swallow-tail form
Block is slidably connected with the cooperation of transverse shifting sliding rail, and lateral fixed side panel lower end is fixedly connected with transverse shifting sliding rail, upper end and peace
Assembling platform connects；By laterally adjusting leverage connection between transverse shifting side plate and lateral fixed side panel, bar is laterally adjusted
It is connected between system and transverse shifting side plate, lateral fixed side panel using hinge arrangement；It laterally adjusts and is equipped with middle tone among leverage
Save device；Moving left and right for mounting platform is driven by the positive and negative bidirectional rotation of intermediate regulations device.
7. for the corner rotation load dress of automobile chair frame Stromeyer test equipment according to claim 3 or 6
It sets, it is characterised in that: the intermediate regulations device is made of left-handed screw, adjustable column, fastener, fastening screw, right handed screw, institute
Adjustable column is stated equipped with one for installing the slotted hole of fastener, shape is cylinder, and the adjustable column side passes through left hand thread
Connect left-handed screw, the other side by right-handed thread right handed screw, and left-handed screw and right handed screw respectively with the length of adjustable column
Fastener connection in circular hole, and locked by fastening screw；Adjustable column is rotated, keeps left-handed screw and right handed screw outside simultaneously
Extend or to contract.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811248108.7A CN109506947B (en) | 2018-10-25 | 2018-10-25 | Corner rotation loading device for fatigue strength test equipment of automobile seat framework |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811248108.7A CN109506947B (en) | 2018-10-25 | 2018-10-25 | Corner rotation loading device for fatigue strength test equipment of automobile seat framework |
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| Publication Number | Publication Date |
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| CN109506947A true CN109506947A (en) | 2019-03-22 |
| CN109506947B CN109506947B (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811248108.7A Active CN109506947B (en) | 2018-10-25 | 2018-10-25 | Corner rotation loading device for fatigue strength test equipment of automobile seat framework |
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| CN113173227A (en) * | 2021-04-30 | 2021-07-27 | 中船黄埔文冲船舶有限公司 | Installation method and test method of turnover bed |
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| CN109506947B (en) | 2021-05-11 |
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