CN103776629B - A kind of composite gear torsional rigidity measuring instrument - Google Patents
A kind of composite gear torsional rigidity measuring instrument Download PDFInfo
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- CN103776629B CN103776629B CN201410044997.0A CN201410044997A CN103776629B CN 103776629 B CN103776629 B CN 103776629B CN 201410044997 A CN201410044997 A CN 201410044997A CN 103776629 B CN103776629 B CN 103776629B
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Abstract
The present invention relates to a kind of composite gear torsional rigidity measuring instrument, comprise the flat board be fixed on experiment table, the composite gear be fixed on flat board, for driving torsion device and the deflection angle measuring device of the upper end gear opposing lower end gear deflection of composite gear, described deflection angle measuring device is for measuring the angle of the upper end gear torsional of composite gear.Make to be fixed on cogging of the composite gear on flat board by torsion device and lower gear deflects, and read windup-degree by angle measurement unit, moment of torsion during by reading corner and reversing composite gear can calculate the torsional rigidity of composite gear, to guarantee that the torsional rigidity of composite gear can be satisfied the demand, measure simple and fast, improve efficiency.
Description
Technical field
The present invention relates to surveying instrument technical field, be specifically related to a kind of composite gear torsional rigidity measuring instrument.
Background technology
In gear drive, due to the existence of backlash, always keep away when gear is positive and negative between unavoidable two engaging tooths and produce impact, for motor car engine and wheel box, this sound impacting generation is also the Main Noise Sources of automobile, and composite gear effectively can reduce backlash, impact when reducing positive and negative, reduce gear impact noise, but if the torsional rigidity between composite gear is selected improper, likely reduce the serviceable life of gear.Along with country is more and more higher by the requirement of noise to automobile, composite gear application in the car gets more and more, and array configuration is also diversified, at present also not for the instrument that composite gear torsional rigidity is measured.
Summary of the invention
The present invention, in order to overcome the deficiency of above technology, provides a kind of composite gear torsional rigidity measuring instrument measuring simple and fast.
The present invention overcomes the technical scheme that its technical matters adopts:
This composite gear torsional rigidity measuring instrument, comprise the flat board be fixed on experiment table, the composite gear be fixed on flat board, for driving torsion device and the deflection angle measuring device of the upper end gear opposing lower end gear deflection of composite gear, described deflection angle measuring device is for measuring the angle of the upper end gear torsional of composite gear.
Above-mentioned torsion device comprises the briquetting and driver plate that xsect is " T " font, some counter sinks are provided with in described briquetting, described flat board is provided with some internal thread holes, described briquetting is plugged in the circular hole in composite gear, the flange position of its upper end is pressed on composite gear, and screw in internal thread hole internal fixtion after inserting counter sink by bolt, middle part, described driver plate lower end is provided with counterbore, some bearing pins are along the circumferential direction provided with outside described counterbore, the internal diameter of described counterbore and the outside dimension of briquetting upper end flange match, when driver plate inserts briquetting upper end by counterbore, each bearing pin is plugged in the teeth groove of upper end gear of composite gear.
Above-mentioned angle measurement unit comprises the index dial, the pointer be bonded and fixed on the upper end gear of composite gear that are fixed on dull and stereotyped top, and the scale on index dial is pointed at the needle point position of described pointer.
Above-mentioned flat board is provided with some through holes, and described flat board is fixed on experiment table through through hole by threaded fastener.
Hexagon head is provided with directly over above-mentioned driver plate.
The quantity of above-mentioned pointer is 2-3.
The invention has the beneficial effects as follows: make to be fixed on cogging of the composite gear on flat board by torsion device and lower gear deflects, and read windup-degree by angle measurement unit, moment of torsion during by reading corner and reversing composite gear can calculate the torsional rigidity of composite gear, to guarantee that the torsional rigidity of composite gear can be satisfied the demand, measure simple and fast, improve efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation removing driver plate;
Fig. 3 is driver plate position cross-sectional view;
Fig. 4 is dull and stereotyped position plan structure schematic diagram;
Fig. 5 is briquetting portion structure schematic diagram;
In figure, 1. dull and stereotyped 4. index dial 5. pointer 6. briquetting 7. bolt 8. hexagon head 9. bearing pin 10. counterbore 11. through hole 12. internal thread hole 13. counter sinks of driver plate 2. composite gear 3..
Embodiment
Below in conjunction with accompanying drawing 1 to accompanying drawing 5, the present invention will be further described.
This composite gear torsional rigidity measuring instrument, comprise the flat board 3 be fixed on experiment table, the composite gear 2 be fixed on dull and stereotyped 3, for driving torsion device and the deflection angle measuring device of the upper end gear opposing lower end gear deflection of composite gear 2, deflection angle measuring device is for measuring the angle of the upper end gear torsional of composite gear 2.Make to be fixed on cogging of composite gear 2 on dull and stereotyped 3 by torsion device and lower gear deflects, and read windup-degree by angle measurement unit, moment of torsion during by reading corner and reversing composite gear 2 can calculate the torsional rigidity of composite gear, to guarantee that the torsional rigidity of composite gear can be satisfied the demand, measure simple and fast, improve efficiency.Be provided with some through holes 11 on dull and stereotyped 3, dull and stereotyped 3 can be fixed on experiment table through through hole 11 by threaded fastener, and fixing dismounting is simple and reliable, improves efficiency of assembling.
Torsion device comprises the briquetting 6 and driver plate 1 that xsect is " T " font, some counter sinks 13 are provided with in briquetting 6, some internal thread holes 12 are provided with on dull and stereotyped 3, briquetting 6 is plugged in the circular hole in composite gear 2, the flange position of its upper end is pressed on composite gear 2, and screw in internal thread hole 12 internal fixtion after inserting counter sink 13 by bolt 7, middle part, driver plate 1 lower end is provided with counterbore 10, some bearing pins 9 are along the circumferential direction provided with outside counterbore 10, the internal diameter of counterbore 10 and the outside dimension of briquetting 6 upper end flange match, when driver plate 1 inserts briquetting 6 upper end by counterbore 10, each bearing pin 9 is plugged in the teeth groove of upper end gear of composite gear 2, now rotating driver plate 1 rotates the upper end gear opposing lower end gear deflection that bearing pin 9 can be made to promote composite gear 2 relative to briquetting 6, simple to operate.Hexagon head 8 can be provided with directly over driver plate 1.Acted on hexagon head 8 by torque spanner or torsion machine and realize reversing driver plate 1, conveniently can read torque value by torque spanner or torsion machine, so that the torsional rigidity of quick calculation combination gear, improve efficiency.
Angle measurement unit comprises the index dial 4, the pointer 5 be bonded and fixed on the upper end gear of composite gear 2 that are fixed on above in the of dull and stereotyped 3, and the scale on index dial 4 is pointed at the needle point position of pointer 5.When rotating the upper end gear of composite gear 2, the pointer 5 be adhesively fixed on the gear of upper end rotates thereupon, therefore after rotating, the scale value pointed on index dial 4 is deflection angle, and reading angular is convenient and simple, is taken off by pointer 5 can treat that next time uses after measurement from upper end gear.The quantity of pointer 5 is 2-3, averages after reading deflection angle angle value by multiple pointer 5, pointer 5 reading numerical values can be avoided to produce the phenomenon of error, improve the accuracy measuring numerical value.
Claims (5)
1. a composite gear torsional rigidity measuring instrument, it is characterized in that: comprise the flat board (3) be fixed on experiment table, be fixed on the composite gear (2) on flat board (3), for driving torsion device and the deflection angle measuring device of the upper end gear opposing lower end gear deflection of composite gear (2), described deflection angle measuring device is for measuring the angle of the upper end gear torsional of composite gear (2), described torsion device comprises the briquetting (6) and driver plate (1) that xsect is " T " font, some counter sinks (13) are provided with in described briquetting (6), described flat board (3) is provided with some internal thread holes (12), described briquetting (6) is plugged in the circular hole in composite gear (2), the flange position of its upper end is pressed on composite gear (2), and screw in internal thread hole (12) internal fixtion afterwards by bolt (7) insertion counter sink (13), described driver plate (1) middle part, lower end is provided with counterbore (10), described counterbore (10) outside is along the circumferential direction provided with some bearing pins (9), the internal diameter of described counterbore (10) and the outside dimension of briquetting (6) upper end flange match, when driver plate (1) inserts briquetting (6) upper end by counterbore (10), each bearing pin (9) is plugged in the teeth groove of the upper end gear of composite gear (2).
2. composite gear torsional rigidity measuring instrument according to claim 1, it is characterized in that: described angle measurement unit comprises the index dial (4), the pointer (5) be bonded and fixed on the upper end gear of composite gear (2) that are fixed on flat board (3) top, the scale on index dial (4) is pointed at the needle point position of described pointer (5).
3. composite gear torsional rigidity measuring instrument according to claim 2, is characterized in that: described flat board (3) is provided with some through holes (11), and described flat board (3) is fixed on experiment table through through hole (11) by threaded fastener.
4. composite gear torsional rigidity measuring instrument according to claim 1, is characterized in that: be provided with hexagon head (8) directly over described driver plate (1).
5. composite gear torsional rigidity measuring instrument according to claim 2, is characterized in that: the quantity of described pointer (5) is 2-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410044997.0A CN103776629B (en) | 2014-02-07 | 2014-02-07 | A kind of composite gear torsional rigidity measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410044997.0A CN103776629B (en) | 2014-02-07 | 2014-02-07 | A kind of composite gear torsional rigidity measuring instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103776629A CN103776629A (en) | 2014-05-07 |
| CN103776629B true CN103776629B (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410044997.0A Active CN103776629B (en) | 2014-02-07 | 2014-02-07 | A kind of composite gear torsional rigidity measuring instrument |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108986603A (en) * | 2017-06-03 | 2018-12-11 | 西南大学 | A kind of instructional device that slab construction rigidity is tested automatically |
| CN111380682B (en) * | 2020-04-27 | 2021-11-30 | 南京高速齿轮制造有限公司 | Testing device and testing method for torsional rigidity of gear box |
| CN114273860A (en) * | 2021-12-24 | 2022-04-05 | 贵州精立航太科技有限公司 | Design, processing and control method of locking type damping washer |
Citations (4)
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|---|---|---|---|---|
| CN101246083A (en) * | 2008-03-24 | 2008-08-20 | 西安电子科技大学 | Method for measuring dynamic mesh stiffness of straight spur gear |
| CN102706557A (en) * | 2012-06-06 | 2012-10-03 | 西北工业大学 | Multifunctional gear transmission testboard |
| CN102777546A (en) * | 2012-07-27 | 2012-11-14 | 哈尔滨工业大学 | Short tube flexible gear harmonic reducer of rigid wheel tooth dip angle and transmission rigidity testing device thereof |
| CN202614526U (en) * | 2012-06-06 | 2012-12-19 | 西北工业大学 | Multifunctional gear transmission test bed |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0196526A (en) * | 1987-10-08 | 1989-04-14 | Honda Motor Co Ltd | Rotational rigidity evaluating device |
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2014
- 2014-02-07 CN CN201410044997.0A patent/CN103776629B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246083A (en) * | 2008-03-24 | 2008-08-20 | 西安电子科技大学 | Method for measuring dynamic mesh stiffness of straight spur gear |
| CN102706557A (en) * | 2012-06-06 | 2012-10-03 | 西北工业大学 | Multifunctional gear transmission testboard |
| CN202614526U (en) * | 2012-06-06 | 2012-12-19 | 西北工业大学 | Multifunctional gear transmission test bed |
| CN102777546A (en) * | 2012-07-27 | 2012-11-14 | 哈尔滨工业大学 | Short tube flexible gear harmonic reducer of rigid wheel tooth dip angle and transmission rigidity testing device thereof |
Non-Patent Citations (1)
| Title |
|---|
| 基于有限元的齿轮扭转刚度计算;李建宜等;《机械工程与自动化》;20060831(第4期);第46-47、50页 * |
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| CN103776629A (en) | 2014-05-07 |
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Effective date of registration: 20170602 Address after: 311232, No. 699, No. six, Red Thai farm, Xiaoshan economic and Technological Development Zone, Xiaoshan District, Hangzhou, Zhejiang Patentee after: China Zhongqi Group Hangzhou Engine Co.,Ltd Address before: 250002 Ji'nan, central city, Shandong hero hill road, No. 165 Patentee before: China National Heavy Duty Truck Group Jinan Power Co., Ltd. |
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