CN112730220A - Seat surface friction force testing device and testing method - Google Patents
Seat surface friction force testing device and testing method Download PDFInfo
- Publication number
- CN112730220A CN112730220A CN202011518298.7A CN202011518298A CN112730220A CN 112730220 A CN112730220 A CN 112730220A CN 202011518298 A CN202011518298 A CN 202011518298A CN 112730220 A CN112730220 A CN 112730220A
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- seat
- dynamometer
- surface friction
- testing
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- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 4
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 238000002474 experimental method Methods 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000011156 evaluation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
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- Analytical Chemistry (AREA)
- Automation & Control Theory (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a device and a method for testing the surface friction force of a seat, which are characterized in that: the device comprises a lower fixing seat, wherein a dynamometer is movably connected onto the lower fixing seat, and weights placed on the surface of a seat are connected onto the dynamometer. The seat surface friction force testing device and the testing method have the advantages of simple structure, convenience in measurement, good applicability, strong practicability and good application prospect.
Description
Technical Field
The invention belongs to the technical field of automobile seats, and particularly relates to a device and a method for testing the surface friction force of a seat.
Background
At present, the evaluation of the comfort of the seat generally adopts subjective evaluation, and dynamic evaluation and static evaluation are combined, but the subjective evaluation has great difference.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a seat surface friction force testing device and a testing method which are simple in structure, convenient to measure and good in applicability.
In order to achieve the purpose, the invention adopts the technical scheme that: the provided seat surface friction force testing device is characterized in that: the device comprises a lower fixing seat, wherein a dynamometer is movably connected onto the lower fixing seat, and weights placed on the surface of a seat are connected onto the dynamometer.
In order to make the technical scheme more detailed and concrete, the invention also provides the following further preferable technical scheme to obtain satisfactory practical effect:
the lower fixing seat is provided with a supporting rod, and the dynamometer can be adjusted up and down along the supporting rod.
The support rod is provided with an adjusting seat, and the adjusting seat is installed on the support rod through a fixing screw.
The dynamometer is arranged in the mounting groove of the adjusting seat, and a fixing screw for fixing the dynamometer is arranged on the side wall of the adjusting seat.
And a nylon base plate is arranged on the side wall in the mounting groove, which is opposite to the dynamometer.
The lower fixing seat is provided with a slide rail, and the lower end of the supporting rod is provided with a slide seat which is connected with the slide rail in a matching manner.
The sliding seat is provided with a driving motor, one side of the sliding rail is provided with a rack arranged along the moving direction, and the output end of the driving motor is provided with a gear meshed with the rack.
A test method adopting the seat surface friction force test device comprises the following steps: fixing the lower fixing seat on the experiment table; and then placing the weight on the surface of the tested seat, moving the dynamometer to drive the weight to move along the surface of the seat, and recording a peak value displayed on the dynamometer.
Before testing, the height of the dynamometer is adjusted to keep the dynamometer and the weight on the seat on the same horizontal plane.
And starting the driving motor to drive the sliding seat and the side force instrument connected to the sliding seat to move along the direction of the sliding rail.
Compared with the prior art, the invention has the following advantages: the seat surface friction force testing device and the testing method have the advantages of simple structure, convenience in measurement, good applicability, strong practicability and good application prospect.
Drawings
The contents of the drawings and the reference numerals in the drawings of the present specification will be briefly described as follows:
FIG. 1 is a schematic structural diagram of a seat surface friction force testing device according to the present invention;
FIG. 2 is a schematic structural diagram of a seat surface friction force testing device according to the present invention;
labeled as: 1. the device comprises a lower fixing plate, 2, a sliding rail, 3, a sliding seat, 4, a driving motor, 5, a rack, 6, a supporting rod, 7, an adjusting seat, 8, a fixing screw, 9, a nylon base plate, 10, a dynamometer, 11 and a weight.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
The seat surface friction force testing device comprises a lower fixing seat 1, a dynamometer 10 is movably connected to the lower fixing seat 1, and a weight 11 placed on the surface of a seat is connected to the dynamometer 10. The testing device is simple in structure, convenient for force measuring operation, capable of selecting different weights to measure force according to conditions and better in applicability.
In the invention, the lower fixed seat 1 is provided with the support rod 6, and the dynamometer 10 can be adjusted up and down along the support rod 6. The adjustment of the height of the force measuring instrument 10 is convenient for different seats to be tested, and the force measuring instrument 10 and weights placed on the surface of the seat can be kept at the same position height through height adjustment, so that the measuring accuracy is ensured, and the testing device is better in applicability.
In the invention, the supporting rod 6 is provided with the adjusting seat 7, the adjusting seat 7 is arranged on the supporting rod 6 through the fixing screw 8, when the device is used, the adjusting seat 7 can be moved by unscrewing the fixing screw 8, so that the height position of the adjusting seat is at the same position height as that of the weight 11, and then the fixing screw 8 is fastened, so that the position fixation is realized, and the test can be carried out.
In the invention, as shown in fig. 2, the dynamometer 10 is arranged in the mounting groove of the adjusting seat 7, the side wall of the adjusting seat 7 is provided with a fixing screw 8 for fixing the dynamometer, and the dynamometer 10 is placed in the mounting groove and then fixed by screwing the fixing screw 8.
In the invention, the nylon backing plate 9 is arranged on the side wall opposite to the force measuring instrument 10 in the mounting groove, so that the force measuring instrument 10 is prevented from being abraded, the force measuring instrument is protected, and the mounting stability is enhanced.
In the invention, as shown in fig. 1 and 2, a sliding rail 2 is arranged on a lower fixed seat 1, and a sliding seat 3 which is connected to the sliding rail 2 in a matching way is arranged at the lower end of a supporting rod 6. The slide seat 3 is provided with a driving motor 4, one side of the slide rail 2 is provided with a rack 5 arranged along the moving direction, and the output end of the driving motor 4 is provided with a gear meshed with the rack 5. During testing, the driving motor 4 is started, the gear rotates to be meshed with the rack 5, the rack 5 is fixed, the sliding seat 3 and the sliding rail 2 are driven to move relatively at the moment, the force measuring instrument 10 and the weight 11 are driven to move relative to the seat, and therefore friction force generated by the action of a certain mass of articles on the surface of the seat is measured.
The invention provides a test method adopting the seat surface friction force test device, which comprises the following steps: fixing the lower fixed seat 1 on an experiment table; the weight 11 is then placed on the seat surface under test and the load cell 10 is moved to move the weight 11 along the seat surface and record the peak value displayed on the load cell. Before testing, the load cell 10 was adjusted to a height that was level with the weight on the seat. And starting the driving motor 4 to drive the sliding seat 3 and the side force meter 10 connected to the sliding seat 3 to move along the direction of the sliding rail 2.
The invention aims to provide a simple, flexible and changeable movable seat friction force detection device. In the invention, a lower fixed seat 1 is fixed on a test table board to provide support for a slide rail 2, a weight 11 is placed on the surface of a tested seat, a dynamometer 10 is adjusted in height through a support rod 6 and an adjusting seat 7 to enable the height to be consistent with the weight 11, a fixing bolt 8 is used for rotating to abut against a nylon cushion plate 9, the dynamometer 10 is fixed on the adjusting seat 7, and the adjusting seat 7 is fixed on the support rod 6 through the fixing bolt 8. The driving motor 4 and the gear are fixed on a motor support by using a fixing bolt, the motor support is fixed on the sliding seat 3, and the rack 5 is fixed on the lower fixing seat 1.
Through the measuring device, the gear is meshed with the rack 5 to drive the sliding seat 3 to move back and forth, the weight 10 is hung on the hook of the dynamometer 10, and when the sliding seat 3 moves back and forth, the numerical value displayed by the dynamometer 10 is the numerical value required to be tested in the test. The measuring equipment is simple and portable, simple and convenient to install, and firm and reliable in fixation. The friction force of different seat surfaces can be tested during the analysis of the standard.
The measuring equipment assembly is mainly suitable for a seat assembly, and comprises the following steps of firstly, placing the equipment assembly on a test table surface, and locking and fixing a lower fixing seat 1; the weight 11 is then placed on the surface of the seat under test, the load cell 10 is adjusted to remain at the same level as the weight 11, the drive motor 4 is started, and the peak value displayed on the load cell 10 is recorded.
The seat surface friction force testing device is simple and convenient in measuring mechanism, easy to disassemble and assemble, convenient to carry, convenient to measure and high in adaptability. The invention can test the seat cushion friction force of the seat. The friction force testing device is indirectly fixed on the sliding seat structure through the supporting rod structure, and height adjustment and front-back movement can be achieved. The motor is adopted to drive the gear, the gear is meshed with the rack to serve as a drive, the weights with certain weight and size specifications arranged on the surface of the seat are pulled, the force value generated by friction between the weights and the surface of the seat cushion is measured through the tester, and the force is measured.
The seat surface friction force testing device and the testing method have the advantages of simple structure, convenience in measurement, good applicability, strong practicability and good application prospect.
The invention has been described above with reference to the accompanying drawings, but the invention is not limited to the above-described embodiments, and it is within the scope of the invention to use various insubstantial modifications of the inventive concept and solutions or to apply them directly to other applications.
Claims (10)
1. The utility model provides a seat surface friction testing arrangement which characterized in that: the device comprises a lower fixing seat, wherein a dynamometer is movably connected onto the lower fixing seat, and weights placed on the surface of a seat are connected onto the dynamometer.
2. The seat surface friction test apparatus of claim 1, wherein: the lower fixing seat is provided with a supporting rod, and the dynamometer can be adjusted up and down along the supporting rod.
3. The seat surface friction test apparatus of claim 2, wherein: the support rod is provided with an adjusting seat, and the adjusting seat is installed on the support rod through a fixing screw.
4. The seat surface friction test apparatus of claim 3, wherein: the dynamometer is arranged in the mounting groove of the adjusting seat, and a fixing screw for fixing the dynamometer is arranged on the side wall of the adjusting seat.
5. The seat surface friction test apparatus of claim 4, wherein: and a nylon base plate is arranged on the side wall in the mounting groove, which is opposite to the dynamometer.
6. The seat surface friction force testing apparatus according to any one of claims 2 to 5, wherein: the lower fixing seat is provided with a slide rail, and the lower end of the supporting rod is provided with a slide seat which is connected with the slide rail in a matching manner.
7. The seat surface friction test apparatus of claim 6, wherein: the sliding seat is provided with a driving motor, one side of the sliding rail is provided with a rack arranged along the moving direction, and the output end of the driving motor is provided with a gear meshed with the rack.
8. A test method using the seat surface friction test apparatus according to any one of claims 1 to 7, characterized in that: fixing the lower fixing seat on the experiment table; and then placing the weight on the surface of the tested seat, moving the dynamometer to drive the weight to move along the surface of the seat, and recording a peak value displayed on the dynamometer.
9. The method for testing a frictional force testing device for a seat surface according to claim 8, wherein: before testing, the height of the dynamometer is adjusted to keep the dynamometer and the weight on the seat on the same horizontal plane.
10. The method for testing a frictional force testing device for a seat surface according to claim 9, wherein: and starting the driving motor to drive the sliding seat and the side force instrument connected to the sliding seat to move along the direction of the sliding rail.
Priority Applications (1)
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CN202011518298.7A CN112730220A (en) | 2020-12-21 | 2020-12-21 | Seat surface friction force testing device and testing method |
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CN202011518298.7A CN112730220A (en) | 2020-12-21 | 2020-12-21 | Seat surface friction force testing device and testing method |
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Citations (13)
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JP2006071557A (en) * | 2004-09-03 | 2006-03-16 | Jtekt Corp | Friction testing method and device |
CN101551315A (en) * | 2009-05-14 | 2009-10-07 | 上海交通大学 | Dual purpose friction testing arrangement |
CN102590077A (en) * | 2012-02-02 | 2012-07-18 | 东华大学 | Skin/textile biologic friction dynamic measurement device |
CN202421042U (en) * | 2011-12-09 | 2012-09-05 | 浙江吉利汽车研究院有限公司 | Device for testing friction coefficient of automobile seat cushion |
CN202886219U (en) * | 2012-10-12 | 2013-04-17 | 东莞钜升塑胶电子制品有限公司 | Wear-resisting tester |
CN104535492A (en) * | 2015-01-16 | 2015-04-22 | 金陵科技学院 | Garment material surface physical characteristic detecting robot and intelligent detection method thereof |
CN205981959U (en) * | 2016-08-03 | 2017-02-22 | 武汉信测标准技术服务有限公司 | Seat face cover friction test platform |
CN206248526U (en) * | 2016-12-16 | 2017-06-13 | 北京金风科创风电设备有限公司 | Friction coefficient measuring apparatus |
CN207248714U (en) * | 2017-09-05 | 2018-04-17 | 武汉博达鸿盛塑料有限公司 | A kind of friction coefficient instrument for being used to produce polyethylene weight coating volume |
CN208607103U (en) * | 2018-08-30 | 2019-03-15 | 江苏亚标检测技术服务有限公司 | A kind of automobile cushion rub resistance detection device |
CN209745784U (en) * | 2019-04-25 | 2019-12-06 | 惠州市富文户外制品有限公司 | Detection device for detecting friction performance of child car seat cushion |
CN110631989A (en) * | 2019-10-23 | 2019-12-31 | 哈尔滨理工大学 | Horizontal friction and wear testing machine for detecting surface of cylindrical microstructure |
CN112033893A (en) * | 2020-05-28 | 2020-12-04 | 北京机械设备研究所 | Friction coefficient measuring device and measuring method |
-
2020
- 2020-12-21 CN CN202011518298.7A patent/CN112730220A/en active Pending
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006071557A (en) * | 2004-09-03 | 2006-03-16 | Jtekt Corp | Friction testing method and device |
CN101551315A (en) * | 2009-05-14 | 2009-10-07 | 上海交通大学 | Dual purpose friction testing arrangement |
CN202421042U (en) * | 2011-12-09 | 2012-09-05 | 浙江吉利汽车研究院有限公司 | Device for testing friction coefficient of automobile seat cushion |
CN102590077A (en) * | 2012-02-02 | 2012-07-18 | 东华大学 | Skin/textile biologic friction dynamic measurement device |
CN202886219U (en) * | 2012-10-12 | 2013-04-17 | 东莞钜升塑胶电子制品有限公司 | Wear-resisting tester |
CN104535492A (en) * | 2015-01-16 | 2015-04-22 | 金陵科技学院 | Garment material surface physical characteristic detecting robot and intelligent detection method thereof |
CN205981959U (en) * | 2016-08-03 | 2017-02-22 | 武汉信测标准技术服务有限公司 | Seat face cover friction test platform |
CN206248526U (en) * | 2016-12-16 | 2017-06-13 | 北京金风科创风电设备有限公司 | Friction coefficient measuring apparatus |
CN207248714U (en) * | 2017-09-05 | 2018-04-17 | 武汉博达鸿盛塑料有限公司 | A kind of friction coefficient instrument for being used to produce polyethylene weight coating volume |
CN208607103U (en) * | 2018-08-30 | 2019-03-15 | 江苏亚标检测技术服务有限公司 | A kind of automobile cushion rub resistance detection device |
CN209745784U (en) * | 2019-04-25 | 2019-12-06 | 惠州市富文户外制品有限公司 | Detection device for detecting friction performance of child car seat cushion |
CN110631989A (en) * | 2019-10-23 | 2019-12-31 | 哈尔滨理工大学 | Horizontal friction and wear testing machine for detecting surface of cylindrical microstructure |
CN112033893A (en) * | 2020-05-28 | 2020-12-04 | 北京机械设备研究所 | Friction coefficient measuring device and measuring method |
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