CN109489965A - Endurance test machine for motor vehicles inside gadget - Google Patents
Endurance test machine for motor vehicles inside gadget Download PDFInfo
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- CN109489965A CN109489965A CN201811631923.1A CN201811631923A CN109489965A CN 109489965 A CN109489965 A CN 109489965A CN 201811631923 A CN201811631923 A CN 201811631923A CN 109489965 A CN109489965 A CN 109489965A
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- 238000009661 fatigue test Methods 0.000 description 6
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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
- G01M13/00—Testing of machine parts
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Abstract
The present invention relates to a kind of endurance test machines for motor vehicles inside gadget, in which: bottom plate has T-slot sliding rail, there is the column of T-slot sliding rail in the setting of bottom plate one end two sides.T-slot sliding rail moved cross beam, connecting test operating head among crossbeam are installed between two column tops；Two column lower part connecting bottom boards.Backplate surface is arranged several T-slot sliding rails and dismountable tester fixture, tester fixture can position along the x axis adjust and be fixed on position needed for bottom plate.Test operation head is connect by transaxle with sensor one end equipped with vertical push-and-pull servo straight line electric cylinders, the lifting rod head end of test operation head.Control system controls test operation head and is fixed on the progress testing fatigue of the tester on bottom plate to tested object fixture.The present invention can between automobile interior product connector or assembly being dismounted for multiple times, repeatedly folding etc. carry out strength test, realize the mechanized operation of vehicle interior part testing fatigue.
Description
Technical field
The present invention relates to the mechanical meaurement devices of motor vehicles inside gadget, in particular to a kind of for testing in motor vehicles
The endurance test machine of gadget fatigue conditions.
Background technique
Motor vehicles such as internal decoration of car product, including ceiling, luggage case hat rack, luggage case spare tire cover plate etc., mostly
Need to install the components such as plastic part, metalwork.Mounting means has Automatic manual transmission, welding, riveting, suture, gluing etc..These groups
Piece installing or connector belong to functor mostly, because being often subject to external force, it requires that it firmly installs and has longer
Service life.Therefore, each car manufacturing enterprise, the world for interior products connector or assembly installation fastness or use the longevity
Life has higher requirement, especially in simulation high temperature and humidity or low temperature etc. than testing through repeatedly round-trip, still under relatively severe condition
It is so able to maintain certain strength, has thus formulated corresponding standard and test method.
Existing similar technical products have electronics strength machine, rigidity test machine and the multifunctional powerful for thread gluing connector
Test machine, due to being unable to satisfy test requirements document, being now described as follows in the prevalence of certain problem and disadvantage.
1, electronics strength machine
Currently, generally using electronics strength machine to the strength test of internal decoration of car product both at home and abroad, it is used to be directed to various materials
Expect the mechanical properties such as to test stretching, compression, be bent, shear, tear, remove.Its disadvantage are as follows:
(1) reciprocal fatigue test can not be done back and forth, unidirectional experiment can only be done；
(2) sample requirement is punched or cuts into defined size and tested, and thus destroys the complete of internal decoration of car product
Whole property, and it is not able to satisfy the requirement of experimental standard；
(3) regulation can only be tested at normal temperature, can not be tested in climate box；
(4) it cannot achieve test of the internal decoration of car product in the case where simulating loading condition.
2, rigidity test machine
Currently, there is the rigidity test machine rigidly tested for automotive interior product in third party laboratory (such as easy horse) both at home and abroad, it should
Rigidity test machine size is larger, and general requirement of experiment is the designated position transported vehicle body before rigidity test machine, will be to be measured
Automotive upholstery is mounted on vehicle body, simulates practical entrucking situation, carries out rigid test.The disadvantage is that:
(1) reciprocal fatigue test can not be done back and forth, unidirectional experiment can only be done；
(2) it although entrucking test can be simulated, since test machine size is larger, can not be tested in climate box；
(3) test machine price is higher, up to more than 100 ten thousand yuan.
3, the multifunctional powerful test machine (patent No.: ZL201210583623.7) of thread gluing connector
The multifunctional powerful test machine of the thread gluing connector can test between thread gluing connector used in automotive upholstery and automobile interior decoration
Removing between two assemblies such as shears, pulls at the strength, also belongs to a kind of test mechanical of fatigue test.Its disadvantage are as follows:
(1) servo straight line cylinder is vertically pulled used by, can only be tested in normal temperature environment, can not be tested in climate box,
The reason is that: consistency of the air pressure under high/low temperature condition is difficult to ensure, causes test number error larger.
(2) sample requirement is punched or cuts into defined size and tested, and thus destroys internal decoration of car product
Integrality, and be not able to satisfy the requirement of experimental standard；
(3) it cannot achieve test of the internal decoration of car product in the case where simulating loading condition.
The testing fatigue of internal decoration of car product belongs to non-standard test, is tested according to the requirement of each main engine plants,
So without standard instrument and tooling.Endurance is tested, still rests on simple manual operation level at present, especially
It is under high temperature and humidity and cryogenic conditions, experimental situation inclement condition, seriously affects the physical and mental health of experimental implementation person, and every
The consistency of secondary experiment is poor.Sample requires to cut into fritter sample just mostly can be carried out test, destroy internal decoration of car production
The integrality of product, this is just unsatisfactory for the requirement of experimental standard.
The testing fatigue of the internal decoration of car product of each main engine plants, it is desirable that under the conditions of high temperature and humidity, room temperature and three kinds of low temperature,
Do the fatigue test of experimental standard stipulated number to sample, after experiment neutralizes experiment, assess the sample whether have it is different
It rings, abrasion, fracture, the assembly visions such as gap and variation acoustically generate.It is main since endurance test is only with manual fold
Machine factory does not provide that this just misses car to each dismounting power or opening and closing forces of sample during entire test
The mechanization test item of interior products in process of production is unfavorable for improving product quality.
In view of this, field technical staff makes great efforts to research and develop a kind of endurance test dress for motor vehicles inside gadget
It sets, to realize that the testing fatigue to internal decoration of car product carries out mechanized operation, and requires advantage of lower cost, testing must be quasi-
Really.
Summary of the invention
The task of the present invention is a kind of endurance test machine for motor vehicles inside gadget is provided, it can be to automobile interior
Being dismounted for multiple times between product connector or assembly, folding carries out testing fatigue repeatedly, can also test vehicle interior products
Removing between connector or assembly is pulled, is sheared, the mechanical properties such as torque, is realized and is surveyed to the fatigue of vehicle interior part
Examination carries out mechanized operation, and advantage of lower cost, and test accuracy is high.
Technical solution of the invention is as follows:
A kind of endurance test machine for motor vehicles inside gadget, it includes bottom plate, column, crossbeam, connecting plate, test operation
Head, electric cylinders, tester fixture and control system；
The bottom plate is the fixation bottom plate with T-slot sliding rail, and column, setting on the inside of column is arranged in fixed bottom plate one end two sides
T-slot sliding rail；T-slot sliding rail moved cross beam is installed between two column tops, T-slot sliding rail moved cross beam both ends and column it
Between be connected by circular adjusting plate and the second connecting plate, surveyed among T-slot sliding rail moved cross beam by the connection of the first connecting plate
Try operating head；Two column lower parts pass through third connecting plate respectively and semicircle adjustable plate is connected and fixed bottom plate；
The dismountable tester fixture of several T-slot sliding rails and a row or more is arranged in the fixed backplate surface, and every row installs number
A tester fixture, tester fixture pass through hexagon socket head cap screw and the T-type sliding of the fixation bottom plate in fixed bottom plate T-slot sliding rail
Nut realizes that position along the x axis is adjusted and is fixed on the required position of fixed bottom plate；
The test operation head is equipped with vertical push-and-pull servo straight line electric cylinders, transaxle and sensor, the elevating lever of test operation head
Head end is connect by transaxle with sensor one end, and the sensor other end is linked to be one through the first screw and nut and test operation head
Body；
The control system includes controller and control program, and under control of the control system, test operation head is for tested
Object fixture is fixed on the tester on fixed bottom plate and carries out testing fatigue.
First connecting plate is equipped with the hexagon socket head cap screw and T-type sliding nut of the first connecting plate, the T on the first connecting plate
Type sliding nut slides in the T-slot sliding rail of T-slot sliding rail moved cross beam, while driving test operation head along T-slot sliding rail
Moved cross beam slidably reciprocates.
The circular adjusting plate is equipped with the hexagon socket head cap screw of circular adjusting plate, and the hexagon socket head cap screw of circular adjusting plate is in circle
Rotation in the arc groove of adjustable plate, while driving T-slot sliding rail moved cross beam and being fixed as one with T-slot sliding rail moved cross beam
Test operation head rotate together.
Second connecting plate be equipped with the second connecting plate hexagon socket head cap screw and T-type sliding nut, the second connecting plate it is interior
Side is connect with circular adjusting plate, and the outside of the second connecting plate is connect with column, and the T-type sliding nut of the second connecting plate is in column
It is slided in T-slot sliding rail, while T-slot sliding rail moved cross beam being driven to slide up and down along column.
The third connecting plate fixed equipped with dormant bolt and T-type sliding nut with column and with semicircle adjustable plate phase
Connection.
The semicircle adjustable plate is equipped with the hexagon socket head cap screw of semicircle adjustable plate, the hexagon socket head cap screw of semicircle adjustable plate
It is rotated in the arc groove of semicircle adjustable plate, while the column connecting with semicircle adjustable plate being driven to rotate together.
The semicircle adjustable plate is equipped with the hexagon socket head cap screw and T-nut for adjusting bottom back-and-forth motion.
Backplanes support foot is fixed there are four setting in the bottom of the fixed bottom plate.
Endurance test machine for motor vehicles inside gadget of the invention is a kind of connection for automobile interior product
Mechanical testing instrument and a kind of strength machine that test car is tested with the endurance between various connectors between part, especially needle
To between internal decoration of car product connector or assembly being dismounted for multiple times, repeatedly folding etc. carry out strength test.Cooperate different
Measuring head is operated, the removing that can also be tested between internal decoration of car product connector or assembly is pulled, sheared, the power such as torque
Learn performance.
Endurance Measurer for motor vehicles inside gadget of the invention has the advantage that
1, it can be tested under the conditions of high temperature and humidity, room temperature and three kinds of low temperature.
2, reciprocal fatigue test can be done back and forth, and power/time can be recorded in real time, deformation/time, displacement/time, answered
The X/Y axial coordinate test curve figure such as power/time, strain/time, power/deformation, power/displacement, stress/strain, tracking rectification test
Each dismounting power of sample or the variation tendency of opening and closing forces in the process, convenient for analyzing and assessing the service life of product.
3, compared with manual operation, the consistency tested every time is good: i.e. to the power and constant airspeed of sample application.
4, sample remains the integrality of sample, meets experimental standard requirement without cutting into fritter sample.
5, it can be adjusted in two angles and three directions, it is flexible and changeable, it can satisfy the simulation entrucking of different postures
Test.
6, it voluntarily researches and develops, test machine low cost, it is only necessary to ten thousand yuan of 2-3.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of endurance test machine for motor vehicles inside gadget of the invention.
Fig. 2 is the horizontal status diagram of test machine shown in Fig. 1.
Fig. 3 is the vertically-arranged status diagram of test machine shown in Fig. 1.
Fig. 4 is the test operation header structure schematic diagram of test machine.
Fig. 5 is the structural schematic diagram of test machine column.
Fig. 6 is the structural schematic diagram for testing machine bottom board.
Fig. 7 is the schematic diagram that test machine makees endurance test to car runk spare tire cover plate plastic handles spring.
Fig. 8 is that test machine makees endurance test schematic diagram to the folding of car runk spare tire cover plate plastic handles.
Fig. 9 is schematic diagram of the test machine to car runk hat rack being dismounted for multiple times durability test.
Appended drawing reference:
1 is vertical push-and-pull servo straight line electric cylinders, and 2 be the first connecting plate, and 3 be transaxle, and 4 be sensor, and 5 be the first screw and spiral shell
Mother, 6 be the hexagon socket head cap screw and T-type sliding nut of the first connecting plate, and 7 be column, and 8 be T-slot sliding rail moved cross beam, and 9 be circle
Shape adjustable plate, 10 be the second connecting plate, and 11 be third connecting plate, and 12 slide spiral shell for the hexagon socket head cap screw and T-type of the second connecting plate
Mother, 13 be the hexagon socket head cap screw of circular adjusting plate, and 14 be the dormant bolt and T-type sliding nut of third connecting plate, and 15 is with T
The fixation bottom plate of shape slot sliding rail, 16 be semicircle adjustable plate, and 17 be dismountable tester fixture, and 18 be fixed backplanes support
Foot, 19 be the hexagon socket head cap screw and T-type sliding nut of fixed bottom plate, and 20 be the hexagon socket head cap screw of semicircle adjustable plate, and 21 be tune
The hexagon socket head cap screw and T-nut that bottom is moved forward and backward are saved, 22 be tester.
Specific embodiment
It elaborates with reference to the accompanying drawings and examples to the present invention.
Referring to Fig. 1 to Fig. 6, the present invention provides a kind of endurance test machine for motor vehicles inside gadget, it mainly by
Bottom plate, column, crossbeam, connecting plate, test operation head, electric cylinders, tester fixture and control system composition.
Bottom plate is the fixation bottom plate 15 with T-slot sliding rail, fixed 15 one end two sides of bottom plate setting column 7, in column 7
T-slot sliding rail is arranged in side.T-slot sliding rail moved cross beam 8,8 liang of T-slot sliding rail moved cross beam are installed between two 7 tops of column
End with pass through circular adjusting plate 9 and the second connecting plate 10 between column 7 and be connected, by the among T-slot sliding rail moved cross beam 8
One connecting plate, 2 connecting test operating head.Two 7 lower parts of column pass through third connecting plate 11 respectively and semicircle adjustable plate 16 connects
Fixed bottom plate 15.
The dismountable tester fixture 17 of several T-slot sliding rails and a row or more, every row's dress is arranged in fixed 15 surface of bottom plate
If several tester fixtures 17, tester fixture 17 is the tester movable stationary fixture of dismountable two kinds of models.Tester
Fixture 17 passes through the hexagon socket head cap screw of the fixation bottom plate in fixed bottom plate 15T shape slot sliding rail and T-type sliding nut 19 is realized along X-axis
The position in direction adjusts and is fixed on the required position of fixed bottom plate 15.
Test operation head is equipped with vertical push-and-pull servo straight line electric cylinders 1, transaxle 3 and sensor 4, the lifting of test operation head
Rod head end is connect by transaxle 3 with 4 one end of sensor, and 4 other end of sensor is through the first screw and nut 5 and test operation head
It is connected.
As shown in fig. 1, hexagon socket head cap screw and T-type sliding nut 6 of first connecting plate 2 equipped with the first connecting plate, first
T-type sliding nut on connecting plate 2 slides in the T-slot sliding rail of T-slot sliding rail moved cross beam 8, while driving test operation
Head slidably reciprocates along T-slot sliding rail moved cross beam 8.
Circular adjusting plate 9 is equipped with the hexagon socket head cap screw 13 of circular adjusting plate, and the hexagon socket head cap screw 13 of circular adjusting plate is in circle
Rotation in the arc groove of shape adjustable plate 9, while driving T-slot sliding rail moved cross beam 8 and being fixed with T-slot sliding rail moved cross beam 8
The test operation head being integrated rotates together.
Second connecting plate 10 is equipped with the hexagon socket head cap screw and T-type sliding nut 12 of the second connecting plate, the second connecting plate 10
Inside is connect with circular adjusting plate 9, and the outside of the second connecting plate 10 is connect with column 7, the T-type sliding nut of the second connecting plate 10
It is slided in the T-slot sliding rail of column 7, while T-slot sliding rail moved cross beam 8 being driven to slide up and down along column 7.
Third connecting plate 11 is equipped with dormant bolt and T-type sliding nut 14, with it is fixed with column 7 and with semicircle adjustable plate
16 are connected.
Semicircle adjustable plate 16 is equipped with the hexagon socket head cap screw 20 of semicircle adjustable plate, the hexagon socket head cap screw of semicircle adjustable plate
20 rotate in the arc groove of semicircle adjustable plate 16, while the column 7 connecting with semicircle adjustable plate 16 being driven to rotate together.
Semicircle adjustable plate 16 also sets up the hexagon socket head cap screw and T-nut 21 of adjustable bottom back-and-forth motion.
The bottom of fixed bottom plate 15 disposes four fixed backplanes support feet 18.
The control system of endurance test machine for motor vehicles inside gadget of the invention includes controller and control journey
Sequence, under control of the control system, test operation head is for the test that is fixed on fixed bottom plate 15 by tester fixture 17
Object 22 carries out testing fatigue.
As shown in Fig. 1, Fig. 4, Fig. 5 and Fig. 6, the endurance test machine for motor vehicles inside gadget of the invention is in reality
It can be by control test component (see figure 4), adjusting tester test orientation component (Fig. 5), fixed tester component (figure in manufacture
6) it forms.
The linear type lift cylinders of test component are controlled using vertical push-and-pull servo straight line electric cylinders 1, connecting component includes the
One connecting plate 2, transaxle 3, sensor 4, the first screw and nut 5, the first connecting plate 2 is with there are four hexagon socket head cap screws and four
T-type sliding nut 6.
Vertical push-and-pull servo straight line electric cylinders 1 are fixed on T-slot sliding rail moved cross beam 8 by the first connecting plate 2, are vertically pushed away
The lifting rod head end of servo actuator is drawn to connect by transaxle 3 with 4 one end of sensor, the other end of sensor 4 is through the first spiral shell
Nail and nut 5 are connected with test operation head.
The rated output power for controlling the vertical push-and-pull servo straight line electric cylinders 1 of test component is 1KN, and effective traverse is
300mm.It is 0 ~ 1KN with the vertical virtual value for pushing and pulling the sensor 4 that servo straight line electric cylinders 1 match, with vertical push-and-pull servo direct
T-type sliding nut 6 on the first connected connecting plate 2 of line electric cylinders 1 can slide in the T-slot sliding rail in moved cross beam 8, simultaneously
Control test component is driven to slidably reciprocate along moved cross beam 8, effective travel is 0 ~ 800mm.
Adjust tester test orientation component and be with T-slot sliding rail two root posts 7 and one with T-slot sliding rail
Moved cross beam 8 formed I-shaped component based on, connecting component is by two pieces of circular adjusting plates, 9, two pieces of second connecting plates
10 and two pieces of third connecting plates 11 form.Second connecting plate 10 is with there are four hexagon socket head cap screws and four T-type sliding nuts 12.Circle
Shape adjustable plate 9 is with there are four hexagon socket head cap screws 13.Third connecting plate 11 is with there are four dormant bolts and four T-type sliding nuts
14。
The both ends of moved cross beam 8 respectively pass through one piece of circular adjusting plate 9 and one piece of second connecting plate 10 is respectively and vertically fixed at
In two root posts 7, the bottom end of two root posts 7 passes through one piece of third connecting plate 11 and one piece of semicircle adjustable plate 16 respectively and fixes
Bottom plate 15 is connected.
The moved cross beam 8 and column 7 for adjusting tester test orientation component are made of the industrial aluminum profile of 6060 Europe superscripts,
8 length of moved cross beam is 900mm, and 7 length of column is 1500mm, and two connect respectively with 8 both ends of moved cross beam are round to be adjusted
Hexagon socket head cap screw 13 in plate 9 can rotate in the arc groove of circular adjusting plate 9, while drive moved cross beam 8 and and movable transverse
The control test component that beam 8 is fixed as one rotates together, and the adjustable extent of rotational angle is 0 ~ 120 °.Respectively with activity
The T-type sliding nut 12 on the second connecting plate 10 that 8 both ends of crossbeam are connected by angle adjustment plate can be simultaneously in two root posts 7
It is slided in T-slot sliding rail, while moved cross beam 8 being driven to slide up and down along column 7, effective travel is 0 ~ 1200mm.Two vertical
The bottom of column 7 passes through third connecting plate 11 respectively and is connected on semicircle adjustable plate 16, and the adjustable angle adjusting range of X-axis is
0~180°。
Fixed tester component is based on the fixation bottom plate 15 with T-slot sliding rail, and connecting component includes two
Semicircle adjustable plate 16, dismountable tester fixture 17, four fixed backplanes support feet 18, several hexagon socket head cap screws and same
Equal number of T-type sliding nuts 19, there are three hexagon socket head cap screw 20, adjusting moves two each bands of semicircle adjustable plate 16 before and after bottom
Hexagon socket head cap screw and four T-nuts 21 there are four dynamic.
Its facial two sides for being parallel to X-axis of fixed bottom plate 15 pass through one piece of semicircle adjustable plate 16 respectively and one piece of third connects
Fishplate bar 11 is connected with column 7, and the position of two root posts 7 simultaneously along the x axis adjusts and two root posts 7 are fixed on fixation
On the required position of bottom plate 15.Tester fixture 17 is a kind of dismountable tester movable stationary fixture, fixed 15 face of bottom plate
The T-type sliding nut 19 that the tester fixture 17 in portion passes through in the T-slot sliding rail of fixed bottom plate 15 realizes position along the x axis
It adjusts and is fixed on the required position of fixed bottom plate 15.Backplanes support foot 18 is fixed there are four setting in the bottom of fixed bottom plate 15.
The fixation bottom plate 15 of fixed tester component is made of the industrial aluminum profile of 30150 Europe superscripts, having a size of 1000mm
×900mm×30mm.The hexagon socket head cap screw 20 in two pieces of semicircle adjustable plates 16 connecting respectively with fixed bottom plate 15 can be half
Rotation in the arc groove of circular adjusting plate 16, while the two root posts 7 connecting with semicircle adjustable plate 16 being driven to rotate together,
Rotational angle adjustable extent is 0 ~ 180 °.The angle of regulation range of the two root posts 7 and X-axis that connect with fixed bottom plate 15 is 0 ~
180 °, effective travel along the x axis is 0 ~ 860mm.The bottom of two root posts 7 passes through third connecting plate 11 respectively and is connected to
On semicircle adjustable plate 16, adjustable angle adjusting range is 0 ~ 180 °.The setting of tester fixture 17 is on fixed bottom plate 15, quantity
It is 2 ~ 16.There are four T-type sliding nuts 19 for installation in every T-slot sliding rail of fixed bottom plate 15.
Endurance test machine for motor vehicles inside gadget of the invention makes following test by test request:
Referring to Fig. 7, the test of car runk spare tire cover plate plastic handles spring endurance.
Experiment condition: under normal temperature condition, 1000 times.
Requirement of experiment: after experiment neutralizes experiment, abnormal sound, abrasion, fracture, assembly visions such as gap and acoustically are not allow for
Variation generate.
It by the total member A of tested luggage case spare tire cover plate after 180 DEG C of fold at hinge, lies on fixed bottom plate 15, uses
The total member A of tested luggage case spare tire cover plate after fold is fixed on fixed bottom plate 15 by tester fixture 17, passes through the first spiral shell
Sensor 4 is mounted on test operation head by nail and nut 5.By vertically pushing and pulling servo straight line electric cylinders 1, test operation is driven
Head, forward travel, the movable plastic part on handle to press the total member A of tested luggage case spare tire cover plate, when pressure on top surface reaches
When 40N, stop pressing, after 1s, by vertically pushing and pulling servo straight line electric cylinders 1, drives test operation head, back shrinkage movement is arrived
Up to after the position of setting, stop.After the completion of the above movement repeats 1000 times, after experiment neutralizes experiment, assessing the sample is
It is no to there is abnormal sound, abrasion, fracture, the assembly visions such as gap and variation acoustically to generate.Stress-time the curve recorded
Figure, for client tracking rectification test during each dismounting power of sample or the variation tendency of opening and closing forces, with analysis and
Assess the service life of product.
Referring to Fig. 8, car runk spare tire cover plate plastic handles open and close endurance test.
The endurance test machine for being used for motor vehicles inside gadget of the invention is transferred in Climatic Effects case, is tried
It tests.
Experiment condition: successively by -20 DEG C (100 times) → 60 DEG C (100 times) → 38 DEG C/95% with respect to (100 times) → 20 DEG C
(700 times) amount to 1000 folding endurance tests.
Requirement of experiment: after experiment neutralizes experiment, abnormal sound, abrasion, fracture, assembly visions such as gap and acoustically are not allow for
Variation generate.
The total member A a line of tested luggage case spare tire cover plate is fixed on fixed bottom plate 15 with tester fixture 17, so
One end of test operation head is mounted on sensor 4 by the first screw and nut 5 afterwards, the other end is connected to tested luggage
On the handle of the total member A of case spare tire cover plate, before experiment starts, the total member A of luggage case spare tire cover plate is tested on fixed bottom plate 15
In horizontal positioned state.
By vertically pushing and pulling servo straight line electric cylinders 1, test operation head is driven, the tested total member of luggage case spare tire cover plate is hauled
Together, contractile motion, because bearing the effect of the total member A self gravity of spare tire cover plate, handle is opened certain angle to the handle of A
Degree.After reaching preset position, stop, the face which be lifted the tested total member A of luggage case spare tire cover plate with
The fixed angle at 45 ° of bottom plate 15.Then, vertical push-and-pull servo straight line electric cylinders 1, forward travel, until spare tire cover plate is total are driven then
Until member A recovery is laid flat, i.e., pulling force becomes zero stop motion.The above movement repeats defined number.After experiment neutralizes experiment,
Assess whether the sample has abnormal sound, abrasion, fracture, the assembly visions such as gap and variation acoustically to generate.It is recorded
Stress-displacement curve graph, for each dismounting power of sample or the change of opening and closing forces during client tracking rectification test
Change trend, to analyze and assess the service life of product.
Referring to Fig. 9, car runk hat rack being dismounted for multiple times durability test.
The endurance test machine for being used for motor vehicles inside gadget of the invention is transferred in Climatic Effects case, entire car
Also in Climatic Effects case, the two sides of tested luggage case hat rack B are fixed in car runk vehicle body by plastic part,
It is tested.
Experiment condition: 1. under normal temperature state, 600 dismounting；2.+80 DEG C, 200 dismounting；3. -30 DEG C, 200 dismounting.
Amount to 1000 dismounting durability tests.
Requirement of experiment: after experiment neutralizes experiment, abnormal sound, abrasion, fracture, assembly visions such as gap and acoustically are not allow for
Variation generate.
One end of test operation head is mounted on sensor 4 by the first screw and nut 5, the other end is for fixing
Tested luggage case hat rack B is connected, by vertically pushing and pulling servo straight line electric cylinders 1, test operation head is driven, hauls tested luggage case
Together, tested luggage case hat rack B is dismantled from coachbuilt body, reaches preset position hat rack B by contractile motion
Afterwards, then stop motion, then drives vertical push-and-pull servo straight line electric cylinders 1, forward travel, again by tested luggage case hat rack B
It is installed on coachbuilt body, that is, after reaching preset position, stop motion.The above movement repeats defined number.Experiment
After neutralizing experiment, assess whether the sample has abnormal sound, abrasion, fracture, the assembly visions such as gap and variation acoustically to produce
It is raw.Stress-displacement the curve graph recorded, for client tracking rectification test during sample each dismounting power or
The variation tendency of opening and closing forces, to analyze and assess the service life of product.
In conclusion the endurance test machine for motor vehicles inside gadget of the invention can connect for internal decoration of car product
Being dismounted for multiple times between fitting or assembly, folding etc. carries out strength test repeatedly, cooperates different operation measuring heads, can be with
Removing between test internal decoration of car product connector or assembly is pulled, is sheared, the mechanical properties such as torque.
Endurance test function for motor vehicles inside gadget of the invention is in three kinds of high temperature and humidity, room temperature and low temperature items
It is tested under part；Reciprocal fatigue test can be done back and forth；Compared with manual operation, the consistency tested every time is good, to sample
The power and constant airspeed of application；Sample remains the integrality of sample, meets experiment without cutting into fritter sample
Standard requirements；It can be adjusted in two angles and three directions, flexible and changeable, the simulation entrucking that can satisfy different postures is surveyed
Examination；Test machine is voluntarily researched and developed, low cost.
Certainly, those skilled in the art in the art are it should be appreciated that above-described embodiment is intended merely to illustrate this hair
It is bright, and be not used as limitation of the invention, if in spirit of the invention, to the variation of above-described embodiment,
Modification etc. will all be fallen within the scope of the claims.
Claims (8)
1. a kind of endurance test machine for motor vehicles inside gadget, it is characterised in that: it includes bottom plate, column, crossbeam, company
Fishplate bar, test operation head, electric cylinders, tester fixture and control system；
The bottom plate is the fixation bottom plate (15) with T-slot sliding rail, fixed bottom plate (15) one end two sides setting column (7),
T-slot sliding rail is set on the inside of column (7)；T-slot sliding rail moved cross beam (8) are installed between two column (7) tops, T-slot is sliding
It is connected between rail moved cross beam (8) both ends and column (7) by circular adjusting plate (9) and the second connecting plate (10), T-slot is sliding
Pass through the first connecting plate (2) connecting test operating head among rail moved cross beam (8)；Two column (7) lower parts pass through third respectively
Connecting plate (11) and semicircle adjustable plate (16) are connected and fixed bottom plate (15)；
The dismountable tester fixture (17) of several T-slot sliding rails and a row or more is arranged in fixed bottom plate (15) surface, often
Row installs several tester fixtures (17), and tester fixture (17) passes through the fixation bottom plate in fixed bottom plate (15) T-slot sliding rail
Hexagon socket head cap screw and T-type sliding nut (19) realize that position along the x axis adjusts and is fixed on the institute of fixed bottom plate (15)
It needs on position；
The test operation head is equipped with vertical push-and-pull servo straight line electric cylinders (1), transaxle (3) and sensor (4), test operation head
Lifting rod head end connect with sensor (4) one end by transaxle (3), sensor (4) other end is through the first screw and nut
(5) it is connected with test operation head；
The control system includes controller and control program, and under control of the control system, test operation head is for tested
Object fixture (17) is fixed on the tester (22) on fixed bottom plate (15) and carries out testing fatigue.
2. the endurance test machine according to claim 1 for motor vehicles inside gadget, it is characterised in that: described first
Connecting plate (2) is equipped with the hexagon socket head cap screw and T-type sliding nut (6) of the first connecting plate, the T-type sliding on the first connecting plate (2)
Nut slides in the T-slot sliding rail of T-slot sliding rail moved cross beam (8), while driving test operation head along T-slot sliding rail activity
Crossbeam (8) slidably reciprocates.
3. the endurance test machine according to claim 1 for motor vehicles inside gadget, it is characterised in that: the circle
Adjustable plate (9) is equipped with the hexagon socket head cap screw (13) of circular adjusting plate, and the hexagon socket head cap screw (13) of circular adjusting plate is adjusted in circle
Rotation in the arc groove of plate (9), while driving T-slot sliding rail moved cross beam (8) and being fixed with T-slot sliding rail moved cross beam (8)
The test operation head being integrated rotates together.
4. the endurance test machine according to claim 1 for motor vehicles inside gadget, it is characterised in that: described second
Connecting plate (10) be equipped with the second connecting plate hexagon socket head cap screw and T-type sliding nut (12), the inside of the second connecting plate (10) with
Circular adjusting plate (9) connection, the outside of the second connecting plate (10) are connect with column (7), and the T-type of the second connecting plate (10) slides spiral shell
Mother slides in the T-slot sliding rail of column (7), while T-slot sliding rail moved cross beam (8) being driven to slide up and down along column (7).
5. the endurance test machine according to claim 1 for motor vehicles inside gadget, it is characterised in that: the third
Connecting plate (11) equipped with dormant bolt and T-type sliding nut (14) with it is fixed with column (7) and with semicircle adjustable plate (16) phase
Connection.
6. the endurance test machine according to claim 1 for motor vehicles inside gadget, it is characterised in that: the semicircle
Shape adjustable plate (16) is equipped with the hexagon socket head cap screw (20) of semicircle adjustable plate, and the hexagon socket head cap screw (20) of semicircle adjustable plate is half
Rotation in the arc groove of circular adjusting plate (16), while the column (7) connecting with semicircle adjustable plate (16) being driven to rotate together.
7. the endurance test machine according to claim 1 for motor vehicles inside gadget, it is characterised in that: the semicircle
Shape adjustable plate (16) is equipped with the hexagon socket head cap screw and T-nut (21) for adjusting bottom back-and-forth motion.
8. the endurance test machine according to claim 1 for motor vehicles inside gadget, it is characterised in that: the fixation
Backplanes support foot (18) are fixed there are four setting in the bottom of bottom plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811631923.1A CN109489965B (en) | 2018-12-29 | 2018-12-29 | Fatigue resistance testing machine for automotive vehicle interior trim parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811631923.1A CN109489965B (en) | 2018-12-29 | 2018-12-29 | Fatigue resistance testing machine for automotive vehicle interior trim parts |
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| CN109489965A true CN109489965A (en) | 2019-03-19 |
| CN109489965B CN109489965B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811631923.1A Active CN109489965B (en) | 2018-12-29 | 2018-12-29 | Fatigue resistance testing machine for automotive vehicle interior trim parts |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447385A (en) * | 2021-05-31 | 2021-09-28 | 宁波拓普汽车电子有限公司 | Automobile spare tire cover simulation test device |
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| KR19980033702U (en) * | 1996-12-09 | 1998-09-05 | 박병재 | Fatigue Endurance Tester of Seat Back Frame |
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| CN113447385A (en) * | 2021-05-31 | 2021-09-28 | 宁波拓普汽车电子有限公司 | Automobile spare tire cover simulation test device |
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|---|---|
| CN109489965B (en) | 2024-01-30 |
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