CN110966909A - Gap testing device and method for automobile seat framework assembly - Google Patents
Gap testing device and method for automobile seat framework assembly Download PDFInfo
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- CN110966909A CN110966909A CN201911337513.0A CN201911337513A CN110966909A CN 110966909 A CN110966909 A CN 110966909A CN 201911337513 A CN201911337513 A CN 201911337513A CN 110966909 A CN110966909 A CN 110966909A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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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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- 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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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a gap testing device and a testing method for an automobile seat framework assembly. The testing device has the advantages of simple structure, low cost, strong universality, easy operation, convenient maintenance and high reliability, and the testing method meets the standard requirement.
Description
Technical Field
The invention belongs to the technical field of automobile part testing, and particularly relates to a gap testing device and a gap testing method for an automobile seat framework assembly.
Background
Nowadays, automobiles become vehicles required by people in daily life gradually, a seat is taken as one of safety parts of the automobiles, a framework assembly of the seat comprises a cushion frame assembly and a backrest frame assembly, the performance of the seat plays an important role in the safety of basic parts of the automobile, the seat can well buffer the automobile when the automobile is impacted, the two parts are separately designed in the seat, a certain posture of a passenger is generally kept by the collision, and other safety parts (such as a safety belt, a safety airbag and the like) can fully play a protection function. The automobile seat framework backrest frame assembly comprises angle adjuster upper side plates on two sides, and the upper part of the angle adjuster upper side plates has great influence on the driving smoothness, riding comfort and safety of an automobile, such as a backrest connecting pipe, a side supporting steel wire, a backrest spring and the like, so that the design of the automobile seat framework is more and more emphasized by people.
The seat frame, the angle adjuster, the slide rail assembly and the cushion frame assembly are main components of the automobile seat assembly, different test standards and verification standards are provided in domestic related host factories, and the seat frame assembly performance is combined to be subjected to transverse and longitudinal load loading tests under normal temperature use conditions.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a gap testing device and a gap testing method for an automobile seat frame assembly, and aims to facilitate the test of the seat frame assembly under the condition of applying transverse and longitudinal loading force.
In order to achieve the purpose, the invention adopts the technical scheme that:
a gap testing device of an automobile seat framework assembly comprises a testing platform, a transverse and longitudinal push-pull testing mechanism and a displacement testing mechanism, wherein the transverse and longitudinal push-pull testing mechanism is used for applying transverse and longitudinal push-pull forces to a backrest frame assembly in the seat framework assembly, the displacement testing mechanism is arranged on the testing platform and is used for testing deformation displacement after the transverse and longitudinal push-pull backrest frame assembly, and the seat framework assembly is arranged on the testing platform.
The transverse and longitudinal push-pull test mechanism comprises a first push-pull dynamometer and a second push-pull dynamometer, wherein the first push-pull dynamometer is used for applying transverse push-pull force to one end of the top of the backrest frame assembly for testing, and the second push-pull dynamometer is used for applying longitudinal push-pull force to the middle of the top of the backrest frame assembly for testing.
The displacement testing mechanism comprises a transverse mounting frame, a longitudinal mounting frame, a first digital display dial indicator and a second digital display dial indicator, wherein the transverse mounting frame, the longitudinal mounting frame, the first digital display dial indicator and the second digital display dial indicator are arranged on the transverse mounting frame, the testing end of the first digital display dial indicator abuts against the top of the backrest frame assembly and is far away from one end applying transverse push-pull force, the testing end of the first digital display dial indicator is in the stress direction same as the acting force direction applying transverse push-pull force, the testing end of the second digital display dial indicator abuts against one side, deviating from the top of the backrest frame assembly, applying longitudinal push-pull force, of the second digital display dial indicator, and the testing end of the second digital display dial indicator is.
The horizontal mounting frame and the vertical mounting frame are detachably connected with the upper surface of the test platform.
And the test platform is provided with an adjusting and mounting mechanism for adjusting the mounting positions of the automobile seat framework assembly and the displacement test mechanism.
The adjusting and mounting structure comprises a plurality of groups of positioning mounting holes and fixing parts which are arranged on the surface of the test platform, the automobile seat framework assembly is arranged on the slide rail assembly, and the slide rail assembly is matched with the positioning mounting holes through the fixing parts to adjust the mounting position.
The fixed part comprises a plurality of slide rail fixing brackets.
The test method of the gap test device of the automobile seat framework assembly comprises the following steps:
step one, mounting an automobile seat framework assembly on a test platform;
step two, mounting a transverse mounting bracket and a longitudinal mounting bracket on a test platform, mounting a first digital display dial indicator for measuring transverse displacement on the transverse mounting bracket, and mounting a second digital display dial indicator for measuring longitudinal displacement on the longitudinal mounting bracket;
thirdly, applying transverse push-pull force to one end of the top of the backrest frame assembly through the first push-pull dynamometer to test the tensile force, and testing corresponding transverse displacement through the first digital display dial indicator;
and step four, applying longitudinal push-pull force to the middle of the top of the backrest frame assembly through a second push-pull dynamometer to test the tensile force, and simultaneously testing the corresponding longitudinal displacement by a second digital display dial indicator.
And in the first step, the backrest framework assembly is adjusted for 3-5 times after the automobile seat framework assembly is installed so as to adjust the backrest angle.
And in the second step, after the transverse and longitudinal mounting bracket is mounted, the relative test positions of the first digital display dial indicator and the second digital display dial indicator with the seat frame are adjusted, and then the first digital display dial indicator and the second digital display dial indicator are adjusted to return to zero.
The invention has the beneficial effects that: the testing device has the advantages of simple structure, low cost, strong universality, easy operation, convenient maintenance and high reliability, and the testing method meets the standard requirement. The invention can meet the requirement of normal temperature test, and the test device has the advantages of settable test period, frequency and times and flexible movement. Meanwhile, the design ideas of generalization and platform are taken as guidance, so that the test cost is reduced, and the applicability of the system is improved.
Drawings
The description includes the following figures, the contents shown are respectively:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the lateral and longitudinal test force application directions of the seat frame assembly of the present invention.
Labeled as:
1. the test platform comprises a test platform body, a seat framework assembly, a backrest framework assembly, a first push-pull dynamometer, a second push-pull dynamometer, a transverse mounting frame, a longitudinal mounting frame, a first digital display dial indicator, a second digital display dial indicator, a positioning mounting hole, a sliding rail assembly, a sliding rail fixing support and a second digital display dial indicator, wherein the first push-pull dynamometer is arranged on the backrest framework assembly, the second push-pull dynamometer is arranged on the backrest framework assembly, the first push-pull dynamometer is arranged on the backrest framework assembly.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.
As shown in fig. 1 to 2, a clearance testing device for an automobile seat frame assembly includes a testing platform 1, a transverse and longitudinal push-pull testing mechanism for applying transverse and longitudinal push-pull forces to a backrest frame assembly in the seat frame assembly 2, and a displacement testing mechanism disposed on the testing platform 1 for testing a deformation displacement after the transverse and longitudinal push-pull of the backrest frame assembly, wherein the seat frame assembly is disposed on the testing platform 1. Among this clearance measuring device, car seat skeleton assembly installs on test platform, can test the size of applying the loading force to seat skeleton assembly through horizontal vertical push-and-pull accredited testing organization, simultaneously, because under horizontal vertical push-and-pull effect, seat skeleton assembly takes place the deformation displacement, tests through displacement accredited testing organization.
The transverse and longitudinal push-pull test mechanism comprises a first push-pull dynamometer 4 for applying transverse push-pull force to one end of the top of the backrest frame assembly 3 for testing and a second push-pull dynamometer 5 for applying longitudinal push-pull force to the middle of the top of the backrest frame assembly for testing. Specifically, the first push-pull dynamometer and the second push-pull dynamometer are not fixedly connected with the backrest frame assembly, and when a load force needs to be applied to the transverse direction or the longitudinal direction, the corresponding push-pull dynamometer can be connected to the corresponding side or middle of the top of the backrest frame assembly.
The displacement testing mechanism comprises a transverse mounting frame 6 arranged on the testing platform 1, a longitudinal mounting frame 7, a first digital display dial indicator 8 arranged on the transverse mounting frame and a second digital display dial indicator 9 arranged on the longitudinal mounting frame, wherein a testing end of the first digital display dial indicator 8 is abutted against the top of the backrest frame assembly and is far away from one end applying transverse push-pull force, the stress direction of the testing end of the first digital display dial indicator 8 is the same as the direction of acting force applying transverse push-pull force, the testing end of the second digital display dial indicator 9 is abutted against the middle part of the top of the backrest frame assembly and deviates from one side applying longitudinal push-pull force, and the stress direction of the testing end of the second digital display dial indicator is the same as the direction of acting force applying. Specifically, the first push-pull dynamometer and the first digital display dial indicator are respectively positioned at two sides of the seat frame assembly, and when the first push-pull dynamometer acts on one corresponding end of the top of the backrest frame assembly for testing, the first digital display dial indicator positioned at the other corresponding end can test the corresponding deformation displacement; in the same way, the second push-pull dynamometer and the second digital display dial indicator are respectively positioned at two sides of the middle part of the top end of the seat frame assembly, and when the second push-pull dynamometer is used for testing at one side of the corresponding middle part of the top of the backrest frame assembly, the second digital display dial indicator positioned at the corresponding other side can test the corresponding deformation displacement.
In order to facilitate the installation and the disassembly, the transverse mounting frame 6 and the longitudinal mounting frame 7 are detachably connected with the upper surface of the test platform.
In order to facilitate the flexible movement of the seat framework assembly for testing, an adjusting and mounting mechanism for adjusting the mounting positions of the automobile seat framework assembly 2 and the displacement testing mechanism is arranged on the testing platform 1. The adjusting and mounting structure comprises a plurality of groups of positioning and mounting holes 10 and fixing parts which are arranged on the surface of the test platform 1, the automobile seat framework assembly 2 is arranged on a slide rail assembly 11, and the slide rail assembly is matched with the positioning and mounting holes 10 through the fixing parts to adjust the mounting position. The fixed component includes a plurality of rail mounting brackets 12. The slide rail fixed support is used as a seat framework assembly base. Specifically, as shown in fig. 1, a plurality of groups of positioning and mounting holes are uniformly distributed on the testing platform, and preferably, the positioning and mounting holes are distributed over the upper surface of the testing platform, and each row of the positioning and mounting holes are parallel to each other. After the automobile seat framework assembly is arranged at a proper position, the sliding rail fixing support is fixedly connected with the testing platform through a fastener (such as a fastening bolt), and the transverse mounting frame and the longitudinal mounting frame are correspondingly installed at proper positions, so that the testing end of the first digital display dial indicator props against the top of the back frame assembly and is far away from one end applying transverse push-pull force, and the testing end of the second digital display dial indicator props against the middle of the top of the back frame assembly and is far away from one side applying longitudinal push-pull force. And then, a load force is applied transversely and longitudinally to test, namely, the whole test part is tested through a load loading part (a push-pull dynamometer), and the output gap is changed to a digital display dial indicator.
The testing method of the gap testing device adopting the automobile seat framework assembly comprises the following steps:
step one, mounting an automobile seat framework assembly on a test platform;
step two, mounting a transverse mounting bracket and a longitudinal mounting bracket on a test platform, mounting a first digital display dial indicator for measuring transverse displacement on the transverse mounting bracket, and mounting a second digital display dial indicator for measuring longitudinal displacement on the longitudinal mounting bracket;
thirdly, applying transverse push-pull force to one end of the top of the backrest frame assembly through the first push-pull dynamometer to test the tensile force, and testing corresponding transverse displacement through the first digital display dial indicator;
and step four, applying longitudinal push-pull force to the middle of the top of the backrest frame assembly through a second push-pull dynamometer to test the tensile force, and simultaneously testing the corresponding longitudinal displacement by a second digital display dial indicator.
Specifically, the test method comprises the following steps:
a. leveling a simulation vehicle bottom plate platform and removing surface dust and impurities;
b. mounting a slide rail fixing support on a test platform;
c. mounting the seat framework assembly on a simulation base of a slide rail fixing support; checking the connection state between the seat and each slide rail fixing bracket (the fixing parts are connected and fastened without looseness);
d. adjusting the backrest framework of the seat framework assembly in the whole adjusting area for 3-5 times, and adjusting the backrest to enable the backrest angle to be equal to the design angle;
e. mounting the transverse and longitudinal mounting frames on a test platform, and adjusting to a proper load test position;
f. fixing the two digital display dial indicators on the transverse and longitudinal mounting frames respectively, adjusting the relative test positions of the two digital display dial indicators and the seat framework to ensure that the corresponding test ends of the two digital display dial indicators respectively abut against the test positions, and adjusting the two digital display dial indicators to return to zero;
g. checking the two push-pull dynamometers and adjusting the dynamometers to a zero state;
h. the first push-pull dynamometer carries out loading according to the transverse direction respectively, each test is simulated and tested for 3 times, and numerical values are recorded respectively;
i. the second push-pull dynamometer is loaded respectively according to the longitudinal direction, each test is simulated and tested for 3 times, and numerical values are recorded respectively; whether the design requirements are met is determined through testing the numerical values.
Wherein, the longitudinal dial indicator does not need to be installed during the transverse gap test; the transverse dial indicator does not need to be installed during the longitudinal clearance test.
The automobile seat framework assembly is fixedly installed and adjusted to a standard position, a force measuring device applies load force to a measured piece according to standard requirements, changes of a seat back before and after continuous loading are measured, and the function of subjective gap change is required to be performed before, after, or around the continuous loading. The upper part of the device is provided with a transverse load and a longitudinal load for generating a transverse and longitudinal load loading function, so that the device simulates the forward, backward, leftward and rightward shaking in the driving process of an automobile.
The testing device is simple in structure, low in cost, high in universality, easy to operate, convenient to maintain and high in reliability, and the testing method meets the standard requirement. The test device can meet the requirements of normal-temperature test, and the test device has the advantages of setting of test period, frequency and times and flexible movement. The design ideas of generalization and platform are taken as guidance, the test cost is reduced, and the applicability of the system is improved.
The invention is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the invention are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.
Claims (10)
1. The clearance testing device for the automobile seat framework assembly is characterized by comprising a testing platform, a transverse and longitudinal push-pull testing mechanism and a displacement testing mechanism, wherein the transverse and longitudinal push-pull testing mechanism is used for applying transverse and longitudinal push-pull forces to a backrest frame assembly in the seat framework assembly, the displacement testing mechanism is arranged on the testing platform and is used for testing deformation displacement after the transverse and longitudinal push-pull backrest frame assembly is pushed and pulled, and the seat framework assembly is arranged on the testing platform.
2. The apparatus for testing the gap of a vehicle seat frame assembly of claim 1, wherein the lateral/longitudinal push-pull test mechanism comprises a first push-pull dynamometer for applying a lateral push-pull force to one end of the top portion of the back frame assembly and a second push-pull dynamometer for applying a longitudinal push-pull force to the middle of the top portion of the back frame assembly.
3. The gap testing device for the automobile seat framework assembly according to claim 1, wherein the displacement testing mechanism comprises a transverse mounting frame, a longitudinal mounting frame, a first digital display dial indicator and a second digital display dial indicator, the transverse mounting frame, the longitudinal mounting frame, the first digital display dial indicator and the second digital display dial indicator are arranged on the transverse mounting frame, the testing end of the first digital display dial indicator abuts against one end, far away from the end applying the transverse push-pull force, of the top of the backrest frame assembly, the force direction of the testing end of the first digital display dial indicator is the same as the direction of an acting force applying the transverse push-pull force, the testing end of the second digital display dial indicator abuts against one side, far away from the top of the backrest frame assembly, of the middle part applying the longitudinal push-pull force, and the force direction of the testing end of.
4. The apparatus of claim 3, wherein the transverse and longitudinal mounts are removably attached to the upper surface of the test platform.
5. The device for testing the clearance of the automobile seat frame assembly according to claim 1, wherein the testing platform is provided with an adjusting and mounting mechanism for adjusting the mounting positions of the automobile seat frame assembly and the displacement testing mechanism.
6. The device for testing the clearance of the automobile seat frame assembly according to claim 5, wherein the adjusting and mounting structure comprises a plurality of sets of positioning and mounting holes and fixing parts, the positioning and mounting holes and the fixing parts are arranged on the surface of the testing platform, the automobile seat frame assembly is arranged on the slide rail assembly, and the slide rail assembly adjusts the mounting position by the matching of the fixing parts and the positioning and mounting holes.
7. The device for testing the clearance of the vehicle seat frame assembly according to claim 6, wherein the fixing member includes a plurality of rail fixing brackets.
8. A test method of a gap testing apparatus of a vehicle seat frame assembly according to any one of claims 1 to 7, comprising the steps of:
step one, mounting an automobile seat framework assembly on a test platform;
step two, mounting a transverse mounting bracket and a longitudinal mounting bracket on a test platform, mounting a first digital display dial indicator for measuring transverse displacement on the transverse mounting bracket, and mounting a second digital display dial indicator for measuring longitudinal displacement on the longitudinal mounting bracket;
thirdly, applying transverse push-pull force to one end of the top of the backrest frame assembly through the first push-pull dynamometer to test the tensile force, and testing corresponding transverse displacement through the first digital display dial indicator;
and step four, applying longitudinal push-pull force to the middle of the top of the backrest frame assembly through a second push-pull dynamometer to test the tensile force, and simultaneously testing the corresponding longitudinal displacement by a second digital display dial indicator.
9. The method for testing a gap testing device of a vehicle seat frame assembly according to claim 8, wherein in the first step, the backrest frame assembly is adjusted 3-5 times after the vehicle seat frame assembly is installed so as to adjust the backrest angle.
10. The test method of the gap test device for the automobile seat frame assembly according to claim 8, wherein in the second step, after the transverse and longitudinal mounting brackets are mounted, the relative test positions of the first digital display dial indicator and the second digital display dial indicator with the seat frame are adjusted, and after the relative test positions are adjusted, the first digital display dial indicator and the second digital display dial indicator are adjusted to return to zero.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911337513.0A CN110966909A (en) | 2019-12-23 | 2019-12-23 | Gap testing device and method for automobile seat framework assembly |
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| CN201911337513.0A CN110966909A (en) | 2019-12-23 | 2019-12-23 | Gap testing device and method for automobile seat framework assembly |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111735698A (en) * | 2020-07-14 | 2020-10-02 | 沈阳建筑大学 | A multifunctional assembled environmental load multi-field coupling action test device |
| CN113251938A (en) * | 2021-06-11 | 2021-08-13 | 上海希翎智能科技有限公司 | Automatic measuring equipment for automobile seat framework movable gap |
| CN113848082A (en) * | 2021-11-30 | 2021-12-28 | 三迪(常州)智能装备有限公司 | Seat shaking amount detection equipment |
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Application publication date: 20200407 |