CN105928682A - Endurance test apparatus capable of simulating human body entering into and getting out of automobile seat and test method - Google Patents
Endurance test apparatus capable of simulating human body entering into and getting out of automobile seat and test method Download PDFInfo
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- CN105928682A CN105928682A CN201610496520.5A CN201610496520A CN105928682A CN 105928682 A CN105928682 A CN 105928682A CN 201610496520 A CN201610496520 A CN 201610496520A CN 105928682 A CN105928682 A CN 105928682A
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- backrest
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides an endurance test apparatus capable of simulating a human body entering into and getting out of an automobile seat. The endurance test apparatus comprises a multi-shaft driver, and the tail end output shaft of the multi-shaft driver is connected with a flange connection frame, which is connected with a first force transducer. The first force transducer is connected with a seat cushion loading head, and the multi-shaft driver and the first force transducer are connected with a controller. The multi-shaft driver drives the seat cushion loading head to move, and multiple freedom degrees are provided. Various complex movement tracks can be simulated to simulate various tracks required by a test. The apparatus is high in universality, and can conduct various seat tests. A force transducer feeds back force signals on a real-time basis, and the multi-shaft driver records the self posture information on a real-time basis. A test process can be better monitored and reproduced, so that the accuracy of the test result and traceability of a test process can be guaranteed.
Description
Technical field
The present invention relates to auto parts and components field tests, particularly to a kind of for simulating human body turnover automotive seat, the device of test vehicle seat fatigue degree.
Background technology
Seat is an important component on automobile, and its riding comfort is closely related with the operation ease of driver and the ride experience of occupant.For seat comfort and the evaluation of reliability, the key components and parts related to is more, such as headrest, recliner, slide rail, back cushion, medicated cushion, handrail etc..Wherein, simulation human body in-out seat test carries out fabric wearability test to the seat of band surface cover and compares the test of other parts, and action is more complicated, and test difficulty is big.
The simulation human body turnover main three-dimensional dummy model using band surface cover of vehicle seat fatigue test carries out fabric wearability test to seat assembly, the applying working condition of simulation human body turnover automobile, should there is not fracture, conglomeration, decoherence and bottom drain in seat surface sleeve after test, not allowing damage occur, suture does not allow fracture etc..Owing to the space of different car loads is different, movement locus during actual passenger turnover car door is discrepant, and therefore different automobile types defines different three-dimensional dummy model movement locus, thus evaluates dependability more realistically.Meanwhile, the process of whole simulation human body turnover automotive seat typically should comprise translation and spinning movement, comprises the loading effect of power again, and requires that repetitive cycling action is more than 1.5 ten thousand times.Therefore, simulation human body turnover vehicle seat fatigue test device is accomplished by possessing higher control accuracy, preferably repeatability and versatility.At present, the equipment being applicable to simulate human body turnover vehicle seat fatigue test on the market is less, and tested seat is tested by most mode using the combination linkage of many cylinder.As Chinese utility model patent (patent No.: 201120221968.9) discloses a kind of chair fatigue test machine, it includes frame, it is connected with the top of frame by leading screw and is vertically movably arranged on the cylinder frame in frame, seat support tested cylinder and chair back tested cylinder are installed on cylinder frame, seat support tested cylinder is mounted vertically on cylinder frame, chair back tested cylinder is transversely mounted on cylinder frame, it is respectively mounted buffering foam-rubber cushion in seat support tested cylinder and chair back tested cylinder, installing electric control gear in frame, electric control gear is connected with seat support tested cylinder and chair back tested cylinder.This test device versatility is poor, can not meet the test demand of multiple different motion track.
Summary of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of control accuracy simulation human body turnover vehicle seat fatigue high, reproducible, highly versatile and tests device.
For achieving the above object and other relevant purposes, the present invention provides a kind of simulation human body turnover vehicle seat fatigue test device, it includes a multiaxis driver, the end output shaft of described multiaxis driver and a Flange joint frame connect, described Flange joint frame and the first force transducer connect, described first force transducer is connected with seat cushion loading head, and described multiaxis driver, the first force transducer and a controller connect.
Preferably, being additionally provided with a backrest loader on described Flange joint frame, described backrest loader is hinged with described Flange joint frame, and described backrest loader and the second force transducer connect, described second force transducer is connected with backrest loading head, and described second force transducer is connected with described controller.
Preferably, described Flange joint frame is provided with a groove, and it is hinged with described Flange joint frame that described backrest loader is positioned at described groove.
Preferably, described second force transducer is connected with described backrest loading head by oscillating bearing.
Preferably, described backrest loader is hydraulic cylinder, cylinder or electric cylinder.
Preferably, described multiaxis driver is one or six axle drivers, described six axle drivers include the first drive shaft that can horizontally rotate, it is articulated with the second drive shaft that the first drive shaft top rotates up and down for the center of circle with pin joint, it is articulated with the 3rd drive shaft that the second drive shaft rotates up and down for the center of circle with pin joint, being rotationally connected with the 3rd drive shaft can be around the 4th drive shaft rotated from axle, be articulated with the 5th drive shaft that the 4th drive shaft rotates with pin joint up and down for the center of circle and be rotationally connected with the 5th drive shaft can be around the 6th drive shaft rotated from axle, described Flange joint frame one end is fixing with the 6th drive shaft end face to be connected.
The invention also discloses a kind of method of testing simulating human body turnover vehicle seat fatigue test, it comprises the steps:
1) a seat cushion loading head and a backrest loading head are set, described seat cushion loading head, backrest loading head are all connected with force transducer, described seat cushion loading head and a multiaxis driver connect, described multiaxis driver can drive described seat cushion loading head to move back and forth in the horizontal direction, rotate, described backrest loading head and a backrest loader connect, and described backrest loader can swing back and forth in vertical direction；
2) arranging a controller, described controller is connected with described multiaxis driver, backrest loader and force transducer, and described controller can control described multiaxis driver, the work of backrest loader；
3) described seat cushion loading head, backrest loading head is made to be connected with buttocks, the back of dummy model respectively, require to control multiaxis driver and backrest loader action by controller according to simulation test, make seat cushion loading head, backrest loading head drive dummy model to move on automotive seat by the running orbit of test requirements document, the speed of service and loading force.
Preferably, described controller pressure signal and described multiaxis driver own location information, the pressure signal fed back by force transducer and the multiaxis driver own location information of force transducer feedback described in real time record can monitor and reappear whole process of the test.
As mentioned above, the simulation human body turnover vehicle seat fatigue test device of the present invention and method of testing have the advantages that the multiaxis driver drives seat cushion loading head that this simulation human body turnover vehicle seat fatigue test device and method of testing use moves, because having multiple degree of freedom, various Comlex-locus can be simulated, thus can simulate the track of various test requirements document, therefore this test device has preferable versatility, can carry out the various simulation test for seat, this analog also has higher control accuracy, reproducible advantage.Have again and use this test device by the force signal of force transducer Real-time Feedback and self posture information of multiaxis driver real time record, can monitor and reappear whole process of the test well, thus the accuracy of guarantee test result and the trackability of process of the test.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is structural representation during embodiment of the present invention use state.
Fig. 3 is embodiment of the present invention dummy model movement locus schematic diagram.
Element numbers illustrates: 1, multiaxis driver；1-1, the first drive shaft；1-2, the second drive shaft；1-3, the 3rd drive shaft；1-4, the 4th drive shaft；1-5 the 5th drive shaft；1-6 the 6th drive shaft；2, the first force transducer；3, Flange joint frame；4 medicated cushion loading heads；5, backrest loader；6, backrest loading head；7, oscillating bearing；8, base plate；9, dummy model；10 automotive seats；11, anchorage；12, the second force transducer；Four diverse location states of (a)-(d) dummy model.
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention being described below, those skilled in the art can be understood other advantages and effect of the present invention easily by the content disclosed by this specification.
Refer to Fig. 1 to Fig. 3.Notice, structure depicted in this specification institute accompanying drawings, ratio, size etc., the most only in order to coordinate the content disclosed in description, understand for those skilled in the art and read, it is not limited to the enforceable qualifications of the present invention, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, under not affecting effect that the present invention can be generated by and the purpose that can reach, all should still fall in the range of disclosed technology contents obtains and can contain.Simultaneously, in this specification cited as " on ", D score, "left", "right", the term of " middle " and " " etc., it is merely convenient to understanding of narration, and it is not used to limit the enforceable scope of the present invention, being altered or modified of its relativeness, changing under technology contents without essence, when being also considered as the enforceable category of the present invention.
As shown in Figure 1, the present invention provides a kind of simulation human body turnover vehicle seat fatigue test device, and it mainly includes multiaxis driver the 1, first force transducer 2, Flange joint frame 3, seat cushion loading head 4, backrest loader 5, backrest loading head 6 and the second force transducer 12.One end of Flange joint frame 3 is fixing with the end output shaft of multiaxis driver 1 to be connected, and the other end of Flange joint frame 3 and one end of the first force transducer 2 connect, and the other end of the first force transducer 2 is connected with seat cushion loading head 4.Multiaxis driver 1 can drive seat cushion loading head 4 to move rotation, movement locus during simulation human body turnover automotive seat, can pass through the loading force suffered by the first force transducer 2 Real-time Feedback seat simultaneously.
As a kind of preferred embodiment, multiaxis driver 1 selects six axle drivers, and this six axles driver includes the first drive shaft 1-1 that can horizontally rotate, the second drive shaft 1-2 that and top hinged with the first drive shaft 1-1 rotates up and down for the center of circle with this pin joint；The 3rd drive shaft 1-3 being hinged in the second drive shaft 1-2 and can rotate up and down with pin joint for the center of circle；Rotate be connected in the 3rd drive shaft and can be around the 4th drive shaft 1-4 rotated from axle, the 5th drive shaft 1-5 that is hinged in the 4th drive shaft 1-4 and rotate up and down with pin joint for the center of circle and be rotationally connected with the 5th drive shaft 1-5 can be around the 6th drive shaft 1-6 rotated from axle, one end of Flange joint frame 3 is fixing with the end face of the 6th drive shaft 1-6 to be connected.Use six axle drivers that seat cushion loading head 4 can be made to move along six-freedom degree in the horizontal plane, thus can simulate the movement locus of various complexity very easily, meet the requirement of various test.
In addition to the seat cushion on seat being simulated test by seat cushion loading head 4, this device is also provided with a backrest loading head 6, the backrest on seat can be simulated load test by back of the body loading head 6.Backrest loading head 6 is fixed on a backrest loader 5, is provided with the second force transducer 12 between backrest loader 5 and backrest loading head 6.Flange joint frame 3 is provided with a groove, and backrest loader 5 is through this groove hinged with Flange joint frame 3, and backrest loader 5 can swing back and forth in vertical direction.Second force transducer 12 is connected with backrest loading head 6 by oscillating bearing 7, and such second force transducer 12 can be automatically adjusted with the angle that backrest loader 5 swings, so that power measurement is more accurate.Backrest loader 5 can be selected for the one in hydraulic cylinder, cylinder or electric cylinder, in order to is controlled its loading force by controller.An angular transducer can be set in the position of backrest loading head 6, be measured the angle of backrest loading head 6 by angular transducer.Arrange a driving means to be connected with backrest loader 5 simultaneously, control, by driving means, the angle that backrest loader 5 swings.
Above-mentioned multiaxis driver 1, first force transducer 2, backrest loader 5 and the second force transducer 12 are all attached with a controller, multiaxis driver 1 can be controlled by this controller, the movement locus of backrest loader 5, movement velocity, loading force, and can Real-time Collection the first force transducer 2, second force transducer 12, the loading force signal of feedback, self posture information according to loading force signal and multiaxis driver 1, the angle signal of angular transducer feedback can monitoring test process well, and whole process of the test can be reappeared, thus the accuracy of guarantee test result and the trackability of process of the test.
The invention also discloses a kind of method of testing simulating human body turnover vehicle seat fatigue test, it comprises the steps: to arrange seat cushion loading head 4 and a backrest loading head 6, seat cushion loading head 4, backrest loading head 6 are all connected with force transducer, seat cushion loading head and a multiaxis driver 1 is made to connect, multiaxis driver 1 can drive seat cushion loading head 4 to move back and forth in the horizontal direction, rotate, backrest loading head 6 is connected with a backrest loader 5, and backrest loader 5 can swing back and forth in vertical direction.Arranging a controller, controller is connected with multiaxis driver 1, backrest loader 5 and force transducer, controls multiaxis driver, the work of backrest loader by controller.Seat cushion loading head 4, backrest loading head 6 is made to be connected with buttocks, the back of dummy model respectively, require to control multiaxis driver and backrest loader action by controller according to simulation test, make seat cushion loading head, backrest loading head drive dummy model to move on automotive seat by the running orbit of test requirements document, the speed of service and loading force.
As a kind of detailed description of the invention, as shown in Figure 2.In the present embodiment, multiaxis driver 1 selects universal six-joint robot as six axle drivers, and this six axles driver 1 is connected by screw and is directly fixedly mounted on base plate 8.Tested automotive seat 10 is fixedly mounted on base plate 8 by anchorage 11.Base plate 8 selects T-slot cast iron platform, is so easy to regulate seat 10 and the position of multiaxis driver 1.Selecting the pressure head that a three-dimensional dummy model 9 manufactures, this dummy model 9 is according to 50% dummy of SAE J826-2002.The foam of one layer of 12mm of pressure head bag and denim, be configured to suitable weight on pressure head, makes pressure head keep weight at 44.5kg.Medicated cushion loading head 4, backrest loading head 6 are connected with buttocks, the back fixation of dummy model (9) respectively.
Dummy model 9 movement locus of simulation human body turnover test is set by controller, as shown in Figure 3: in figure, a () is the initial position of dummy model 9, dummy model 9 centrage and tested automotive seat 10 centerlines 30 °, it is slid horizontally into tested automotive seat 10 and is absorbed in the medicated cushion limit wing and each about 25mm of the backrest limit wing, in-position (b), rotate 30 °, dummy model 9 centrage is made to align with tested automotive seat 10 centrage, i.e. position (c), then dummy model 9 is wriggled to position (d) loading 445N of wriggling medicated cushion and backrest；When exiting, dummy model 9 keeps loading 445N and unloads to position (c), and returns to initial position (a), and this test stops after carrying out 15000 times with the frequency cycle of 4.5 beats/min and resets.
The one of the simply simulation human body turnover vehicle seat fatigue testing experiment of movement locus shown in Fig. 3, for different tests, movement locus, movement velocity, time, loading force all can be different, and multiaxis driver and backrest loader can be configured by the design parameter of each test by controller.
The multiaxis driver drives seat cushion loading head that this simulation human body turnover vehicle seat fatigue test device and method of testing use moves, because having multiple degree of freedom, various Comlex-locus can be simulated, thus can simulate the track of various test requirements document, therefore this test device has preferable versatility, can carry out the various simulation test for seat, this analog also has higher control accuracy, reproducible advantage.Have again and use this test device by the force signal of force transducer Real-time Feedback and self posture information of multiaxis driver real time record, can monitor and reappear whole process of the test well, thus the accuracy of guarantee test result and the trackability of process of the test.So, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by any person skilled in the art.Therefore, art has all equivalence modification or changes that usually intellectual is completed under without departing from disclosed spirit and technological thought such as, must be contained by the claim of the present invention.
Claims (8)
1. a simulation human body turnover vehicle seat fatigue test device, it is characterized in that: it includes a multiaxis driver (1), the end output shaft of described multiaxis driver (1) and a Flange joint frame (3) connect, described Flange joint frame (3) is connected with the first force transducer (2), described first force transducer (2) is connected with seat cushion loading head (4), and described multiaxis driver (1), the first force transducer (2) are connected with a controller.
Simulation human body the most according to claim 1 turnover vehicle seat fatigue test device, it is characterized in that: on described Flange joint frame (3), be additionally provided with a backrest loader (5), described backrest loader (5) is hinged with described Flange joint frame (3), described backrest loader (5) is connected with the second force transducer (12), described second force transducer (12) is connected with backrest loading head (6), and described second force transducer (12) is connected with described controller.
Simulation human body the most according to claim 2 turnover vehicle seat fatigue test device, it is characterised in that: described Flange joint frame (3) is provided with a groove, and it is hinged with described Flange joint frame (3) that described backrest loader (5) is positioned at described groove.
Simulation human body the most according to claim 2 turnover vehicle seat fatigue test device, it is characterised in that: described second force transducer (12) is connected with described backrest loading head (6) by oscillating bearing (7).
Simulation human body the most according to claim 2 turnover vehicle seat fatigue test device, it is characterised in that: described backrest loader (5) is hydraulic cylinder, cylinder or electric cylinder.
nullSimulation human body the most according to claim 1 turnover vehicle seat fatigue test device，It is characterized in that: described multiaxis driver (1) is one or six axle drivers，Described six axle drivers (1) include the first drive shaft (1-1) that can horizontally rotate、It is articulated with the second drive shaft (1-2) that the first drive shaft (1-1) top rotates up and down for the center of circle with pin joint、It is articulated with the 3rd drive shaft (1-3) that the second drive shaft (1-2) rotates up and down for the center of circle with pin joint、Being rotationally connected with the 3rd drive shaft (1-3) can be around the 4th drive shaft (1-4) rotated from axle、Be articulated with the 5th drive shaft (1-5) that the 4th drive shaft (1-4) rotates with pin joint up and down for the center of circle and be rotationally connected with the 5th drive shaft (1-5) can be around the 6th drive shaft (1-6) rotated from axle，Described Flange joint frame (3) one end is fixing with the 6th drive shaft (1-6) end face to be connected.
7. a simulation human body turnover vehicle seat fatigue method of testing, it is characterised in that it comprises the steps:
(1) a seat cushion loading head and a backrest loading head are set, described seat cushion loading head, backrest loading head are all connected with force transducer, described seat cushion loading head and a multiaxis driver connect, described multiaxis driver can drive described seat cushion loading head to move back and forth in the horizontal direction, rotate, described backrest loading head and a backrest loader connect, and described backrest loader can swing back and forth in vertical direction；
(2) arranging a controller, described controller is connected with described multiaxis driver, backrest loader and force transducer, and described controller can control described multiaxis driver, the work of backrest loader；
(3) described seat cushion loading head, backrest loading head is made to be connected with buttocks, the back of dummy model respectively, require to control multiaxis driver and backrest loader action by controller according to simulation test, make seat cushion loading head, backrest loading head drive dummy model to move on automotive seat by the running orbit of test requirements document, the speed of service and loading force.
Simulation human body the most according to claim 7 turnover vehicle seat fatigue method of testing, it is characterized in that: described controller pressure signal and described multiaxis driver own location information, the pressure signal fed back by force transducer and the multiaxis driver own location information of force transducer feedback described in real time record can monitor and reappear whole process of the test.
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| CN201610496520.5A CN105928682A (en) | 2016-06-30 | 2016-06-30 | Endurance test apparatus capable of simulating human body entering into and getting out of automobile seat and test method |
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| CN201610496520.5A CN105928682A (en) | 2016-06-30 | 2016-06-30 | Endurance test apparatus capable of simulating human body entering into and getting out of automobile seat and test method |
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Cited By (7)
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| CN106680013A (en) * | 2017-02-28 | 2017-05-17 | 武汉延锋时代检测技术服务有限公司 | Test device and test method for seat durability |
| CN107063600A (en) * | 2017-04-24 | 2017-08-18 | 苏州瑞美科材料科技有限公司 | A kind of automotive seat pressure test device |
| CN108061662A (en) * | 2017-11-30 | 2018-05-22 | 南京汽车集团有限公司 | Commercial vehicle seat test system and test method |
| CN111323236A (en) * | 2018-12-13 | 2020-06-23 | 上海机动车检测认证技术研究中心有限公司 | Automatic photographing method and device for robot |
| CN111896829A (en) * | 2020-07-31 | 2020-11-06 | 上海荣泰健康科技股份有限公司 | Tool for testing service life of massage machine core and debugging method thereof |
| CN111947867A (en) * | 2020-07-09 | 2020-11-17 | 东风汽车集团有限公司 | Vibration testing device for feet and seats of automobile passengers |
| CN113945389A (en) * | 2021-09-08 | 2022-01-18 | 东风汽车集团股份有限公司 | Seat cushion side wing wrinkle verification method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106680013A (en) * | 2017-02-28 | 2017-05-17 | 武汉延锋时代检测技术服务有限公司 | Test device and test method for seat durability |
| CN107063600A (en) * | 2017-04-24 | 2017-08-18 | 苏州瑞美科材料科技有限公司 | A kind of automotive seat pressure test device |
| CN108061662A (en) * | 2017-11-30 | 2018-05-22 | 南京汽车集团有限公司 | Commercial vehicle seat test system and test method |
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| CN111947867B (en) * | 2020-07-09 | 2021-07-06 | 东风汽车集团有限公司 | Vibration testing device for feet and seats of automobile passengers |
| CN111896829A (en) * | 2020-07-31 | 2020-11-06 | 上海荣泰健康科技股份有限公司 | Tool for testing service life of massage machine core and debugging method thereof |
| CN111896829B (en) * | 2020-07-31 | 2023-05-05 | 上海荣泰健康科技股份有限公司 | Service life testing tool for massage machine core and debugging method thereof |
| CN113945389A (en) * | 2021-09-08 | 2022-01-18 | 东风汽车集团股份有限公司 | Seat cushion side wing wrinkle verification method |
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Application publication date: 20160907 |