CN103759693A - Backlash detection mechanism - Google Patents
Backlash detection mechanism Download PDFInfo
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- CN103759693A CN103759693A CN201310655611.5A CN201310655611A CN103759693A CN 103759693 A CN103759693 A CN 103759693A CN 201310655611 A CN201310655611 A CN 201310655611A CN 103759693 A CN103759693 A CN 103759693A
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- 238000001514 detection method Methods 0.000 title abstract description 9
- 238000005259 measurement Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The invention discloses a backlash detection mechanism. The backlash detection mechanism is characterized by being provided with a friction wheel and a measuring wheel, wherein the outer circumferential surface of the friction wheel abuts against the outer circumferential surface of a driven gear of a main speed reducer, and the friction wheel can drive the driven gear of the main speed reducer to rotate back and forth in a frictional mode in a corner extent A of a backlash when a driving gear of the main speed reducer is locked; the outer circumferential surface of the measuring wheel abuts against the outer circumferential surface of the driven gear of the main speed reducer, the measuring wheel is used for measuring the value of the corner extent A, and the friction wheel, the measuring wheel and the driven gear of the main speed reducer are located in the same vertical plane. According to the backlash detection mechanism, the friction wheel serves as a driving wheel to drive the driven gear of the main speed reducer when the driving gear of the main speed reducer is locked, and the measuring wheel serves as a driven wheel to measure rotation of the driven wheel of the main speed reducer. In this way, automatic detection of the backlash is achieved, production efficiency on an assembly line is remarkably enhanced, and accuracy is improved.
Description
Technical field
The present invention relates to a kind of testing agency, more particularly especially a kind of backlash testing agency that is applied to detect main gearbox assembly main quilt tooth back lash.
Background technology
Main reducing gear of drive axle assembly is one of vehicle key parts, and its assembly quality directly affects running stability, noise, life-span and the energy consumption of automobile.The assembly quality of automobile main reducer is affected by two factors mainly, and one is the assembly quality of main tooth assembly in main reducing gear, and another is that in main reducing gear, whether active and passive gear meshes well.If the driving gear in main speed reducer of rear axle, driven gear be on-stream, there is no correct relative engagement, during main quilt tooth engaged transmission, can have larger impact noise.Therefore, accurately detecting backlash seems and is even more important.
At present, conventional backlash detection method has three kinds.The one, pressing lead wires method, on the flank of tooth of the facewidth, several galvanized wires of parallel placement, transmitting gear extruding galvanized wire, the gauge that galvanized wire is extruded rear thinnest part is backlash.The 2nd, signing method, is about to the clock gauge crown on by the flank of tooth of a tooth of dynamic bevel gear, and fixedly drive bevel gear, rotates by dynamic bevel gear, makes to be meshed and turn to opposite side to mesh from a side by tooth, and clock gauge reading difference is exactly backlash.The 3rd, direct clearance gauge is measured, and detects the flank of tooth minimum clearance when the position of engagement having assembled by clearance gauge, obtains the sideshake of gear pair.These are relatively simple, but all need manual operation artificial reading, and production efficiency is low, has personal error.
Summary of the invention
The present invention is for avoiding the existing weak point of above-mentioned prior art, provides a kind of backlash testing agency, to can quick and precisely detect main gearbox assembly backlash.
The present invention is that technical solution problem adopts following technical scheme:
The design feature of backlash of the present invention testing agency is: a friction pulley is set, outer circumference surface and main reducing gear with described friction pulley are inconsistent by the outer circumference surface of tooth, and can, when the main tooth of locking main reducing gear, in the mode rubbing, drive main reducing gear between the corner regions of backlash, in A, to be carried out back rotation by tooth; One measuring wheel is set, inconsistent by the outer circumference surface of tooth with outer circumference surface and the main reducing gear of described measuring wheel, detect A value between corner regions, described friction pulley, measuring wheel and main reducing gear are in same perpendicular by tooth.
The design feature of backlash of the present invention testing agency is also:
Friction wheel driving mechanism is set, friction wheel carrier to be set on by the support above tooth being positioned at main reducing gear, one end of friction pulley oscillating cylinder is connected by upper end bearing pin with friction wheel carrier, the other end is connected to the upper end of connecting rod by lower end bearing pin, friction pulley is fixed on the lower end of described connecting rod by screw and friction wheel axle, the axle head of described friction wheel axle by bearings on the bogie side frame connecting firmly with described friction wheel carrier;
Measuring wheel transmission and sensing mechanism are set, measurement wheel carrier to be set on by the support above tooth being positioned at main reducing gear, measuring wheel connects firmly the axle head in wheel axle, wheel axle is bearing in and is measured on wheel carrier by wheel axle bearing, between another axle head of described wheel axle and scrambler, Timing Belt is set, described scrambler is fixedly installed on to be measured on wheel carrier.
The design feature of backlash of the present invention testing agency is also: the first vertical slide rail and the second vertical slide rail are set respectively in the both sides of described support, described friction wheel carrier is bearing on the described first vertical slide rail, and can move up and down along the described first vertical slide rail; Described measurement wheel carrier is bearing on the described second vertical slide rail, and can move up and down along the described second vertical slide rail.
The design feature of backlash of the present invention testing agency is also: on described support, be provided for driving friction wheel carrier mobile friction wheel carrier driving cylinder on the described first vertical slide rail, and be provided for detecting friction pulley and main reducing gear by the friction pulley position transducer of distance between tooth; Be provided for drive measuring wheel carrier mobile measurement wheel carrier driving cylinder on the described second vertical slide rail, and be provided for detecting measuring wheel and main reducing gear by the measuring wheel position transducer of distance between tooth.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, the present invention is when the main tooth of locking main reducing gear, the friction pulley of take is driven by tooth main reducing gear as driving wheel, using measuring wheel as follower main reducing gear is detected by the rotation of tooth, realize the automatic detection of backlash, significantly improve the production efficiency on assembly line.
2, the present invention adopts high accuracy displacement sensor, significantly improves accuracy of detection.
3, the present invention adopts cylinder as power source, reduces labour intensity, reduces cost of labor.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is main TV structure schematic diagram of the present invention;
Fig. 3 is friction wheel driving mechanism structural representation in the present invention;
Fig. 4 arranges measuring wheel transmission and sensing mechanism structure schematic diagram in the present invention;
Number in the figure: 1 support; 2 measure wheel carrier drives cylinder; 3 measuring wheel position transducers; 4 measure wheel carrier; 5 measuring wheels; 6 wheel axle; 7 wheel axle bearings; 8 Timing Belts; 9 scramblers; 10 friction wheel carriers drive cylinder; 11 friction pulley position transducers; 12 friction wheel carriers; 13 friction pulley oscillating cylinders; 14 lower end bearing pins; 15 connecting rods; 16 friction pulleys; 17 friction wheel axles; 18 bogie side frames; 19 upper end bearing pins; 20 main reducing gears are by tooth.
Embodiment
Referring to Fig. 1, in the present embodiment, the version of backlash testing agency is: a friction pulley 16 is set, outer circumference surface and main reducing gear with friction pulley 16 are inconsistent by the outer circumference surface of tooth 20, and can, when the main tooth of locking main reducing gear, in the mode rubbing, drive main reducing gear between the corner regions of backlash, in A, to be carried out back rotation by tooth 20; One measuring wheel 5 is set, inconsistent by the outer circumference surface of tooth 20 with outer circumference surface and the main reducing gear of measuring wheel 5, detect A value between corner regions; Friction pulley 16, measuring wheel 5 and main reducing gear are set to be in same perpendicular by tooth 20.
Referring to Fig. 1, Fig. 2 and Fig. 3, friction wheel driving mechanism is set in the present embodiment, friction wheel carrier 12 to be set being positioned at main reducing gear on by the support 1 above tooth, one end of friction pulley oscillating cylinder 13 is connected by upper end bearing pin 19 with friction wheel carrier 12, the other end is connected to the upper end of connecting rod 15 by lower end bearing pin 14, friction pulley 16 is fixed on the lower end of connecting rod 15 by screw and friction wheel axle 17, the axle head of friction wheel axle 17 by bearings with the bogie side frame 18 that connects firmly of friction wheel carrier 12 on; Friction pulley oscillating cylinder 13 drive link 15 swing, and by connecting rod, drive the forward and reverse rotation of centering of friction pulley 16.
Referring to Fig. 1, Fig. 2 and Fig. 4, measuring wheel 5 transmissions and sensing mechanism are set, to arrange on by the support 1 above tooth and measure wheel carrier 4 being positioned at main reducing gear, measuring wheel 5 connects firmly the axle head in wheel axle 6, wheel axle 6 is bearing in and is measured on wheel carrier 4 by wheel axle bearing 7, between another axle head of wheel axle 6 and scrambler 9, Timing Belt 8 is set, scrambler 9 is fixedly installed on to be measured on wheel carrier 4.
As shown in Figure 1, in the present embodiment, corresponding structure setting also comprises: the first vertical slide rail and the second vertical slide rail are set respectively in the both sides of support 1, and friction wheel carrier 12 is bearing on the first vertical slide rail, and can move up and down along the first vertical slide rail; Measure wheel carrier 4 and be bearing on the second vertical slide rail, and can move up and down along the second vertical slide rail; On support 1, be provided for driving friction wheel carrier 12 mobile friction wheel carrier driving cylinder 10 on the first vertical slide rail, and be provided for detecting friction pulley 16 and main reducing gear by the friction pulley position transducer 11 of distance between tooth 20; Be provided for drive measuring wheel carrier 4 mobile measurement wheel carrier driving cylinder 2 on the second vertical slide rail, and be provided for detecting measuring wheel 5 and main reducing gear by the measuring wheel position transducer 3 of distance between tooth 20.
In order to guarantee non-interference between friction pulley and measuring wheel, can make again compact overall structure firm, the master of support 1 is set depending on being shaped as del as shown in Figure 2; Friction wheel carrier 12 and measurement wheel carrier 4 are positioned at the both sides of triangle support.
The course of work:
Because the main reducing gear of different product model is different by the height of tooth 20, first need to arrange according to the product type of main reducing gear the displacement of friction pulley position transducer 11 and measuring wheel position transducer 3, to guarantee that friction pulley 16 and measuring wheel 5 all can accurately arrive with main reducing gear by the inconsistent position of the cylindrical of tooth 20.
By main tooth latch mechanism, the main tooth of main reducing gear is locked, friction wheel carrier drives cylinder 10 and measurement wheel carrier to drive cylinder 2 actions to make respectively friction pulley and measuring wheel press down and puts in place; By friction pulley oscillating cylinder 13, drive friction pulley 16 repeatedly to swing again, with this, drive main reducing gear repeatedly to be swung by tooth 20; Scrambler 9 is detected and is obtained this swing situation by measuring wheel 5, then is converted and can be drawn backlash by routine.
After completing detection, friction wheel carrier drives cylinder 10 and measures wheel carrier and drives cylinder 2 to bounce back respectively, drives friction pulley and measuring wheel to depart from main reducing gear by tooth 20 up, waits for testing process next time.
Claims (4)
1.Yi Zhong backlash testing agency, it is characterized in that: a friction pulley (16) is set, outer circumference surface and main reducing gear with described friction pulley (16) are inconsistent by the outer circumference surface of tooth (20), and can, when the main tooth of locking main reducing gear, in the mode rubbing, drive main reducing gear between the corner regions of backlash, in A, to be carried out back rotation by tooth (20); One measuring wheel (5) is set, outer circumference surface and main reducing gear with described measuring wheel (5) are inconsistent by the outer circumference surface of tooth (20), detect A value between corner regions, described friction pulley (16), measuring wheel (5) are in same perpendicular by tooth (20) with main reducing gear.
2. backlash according to claim 1 testing agency, is characterized in that:
Friction wheel driving mechanism is set, friction wheel carrier (12) to be set being positioned at main reducing gear on by the support above tooth (1), one end of friction pulley oscillating cylinder (13) is connected by upper end bearing pin (19) with friction wheel carrier (12), the other end is connected to the upper end of connecting rod (15) by lower end bearing pin (14), friction pulley (16) is fixed on the lower end of described connecting rod (15) by screw and friction wheel axle (17), the axle head of described friction wheel axle (17) by bearings on the bogie side frame (18) connecting firmly with described friction wheel carrier (12);
Measuring wheel (5) transmission and sensing mechanism are set, to arrange on by the support above tooth (1) and measure wheel carrier (4) being positioned at main reducing gear, measuring wheel (5) connects firmly the axle head in wheel axle (6), wheel axle (6) is bearing in and is measured on wheel carrier (4) by wheel axle bearing (7), between another axle head of described wheel axle (6) and scrambler (9), Timing Belt (8) is set, described scrambler (9) is fixedly installed on to be measured on wheel carrier (4).
3. backlash according to claim 2 testing agency, it is characterized in that: the first vertical slide rail and the second vertical slide rail are set respectively in the both sides of described support (1), described friction wheel carrier (12) is bearing on the described first vertical slide rail, and can move up and down along the described first vertical slide rail; Described measurement wheel carrier (4) is bearing on the described second vertical slide rail, and can move up and down along the described second vertical slide rail.
4. backlash according to claim 3 testing agency, it is characterized in that: on described support (1), be provided for driving friction wheel carrier (12) mobile friction wheel carrier driving cylinder (10) on the described first vertical slide rail, and be provided for detecting friction pulley (16) and main reducing gear by the friction pulley position transducer (11) of distance between tooth (20); Be provided for drive measuring wheel carrier (4) mobile measurement wheel carrier driving cylinder (2) on the described second vertical slide rail, and be provided for detecting measuring wheel (5) and main reducing gear by the measuring wheel position transducer (3) of distance between tooth (20).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310655611.5A CN103759693A (en) | 2013-12-06 | 2013-12-06 | Backlash detection mechanism |
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| CN201310655611.5A CN103759693A (en) | 2013-12-06 | 2013-12-06 | Backlash detection mechanism |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515493A (en) * | 2014-11-27 | 2015-04-15 | 苏州紫金港智能制造装备有限公司 | Automatic radial run-out measuring device |
| CN106152914A (en) * | 2016-07-11 | 2016-11-23 | 安徽江淮汽车股份有限公司 | Backlash detection Apparatus and method for |
| CN107345802A (en) * | 2017-08-29 | 2017-11-14 | 华南理工大学 | The analytical equipment and method of a kind of planetary reduction gear gap dynamic characteristic |
| CN109341627A (en) * | 2018-10-23 | 2019-02-15 | 重庆理工大学 | A transmission gap measuring device |
| CN112013749A (en) * | 2019-05-30 | 2020-12-01 | 北京福田康明斯发动机有限公司 | Gear clearance measuring device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09178461A (en) * | 1995-12-27 | 1997-07-11 | Osaka Seimitsu Kikai Kk | Method of measuring tooth thickness of gear |
| CN101637835A (en) * | 2009-09-04 | 2010-02-03 | 宝钢集团苏州冶金机械厂 | Method for machining and detecting helical gear with key way |
| CN102426006A (en) * | 2011-12-08 | 2012-04-25 | 安徽巨一自动化装备有限公司 | Friction wheel type adjustment and measurement mechanism |
| CN102878919A (en) * | 2012-09-21 | 2013-01-16 | 浙江派尼尔机电有限公司 | Gear clearance detection device |
| CN203587087U (en) * | 2013-12-06 | 2014-05-07 | 安徽巨一自动化装备有限公司 | Tooth side gap detection mechanism |
-
2013
- 2013-12-06 CN CN201310655611.5A patent/CN103759693A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09178461A (en) * | 1995-12-27 | 1997-07-11 | Osaka Seimitsu Kikai Kk | Method of measuring tooth thickness of gear |
| CN101637835A (en) * | 2009-09-04 | 2010-02-03 | 宝钢集团苏州冶金机械厂 | Method for machining and detecting helical gear with key way |
| CN102426006A (en) * | 2011-12-08 | 2012-04-25 | 安徽巨一自动化装备有限公司 | Friction wheel type adjustment and measurement mechanism |
| CN102878919A (en) * | 2012-09-21 | 2013-01-16 | 浙江派尼尔机电有限公司 | Gear clearance detection device |
| CN203587087U (en) * | 2013-12-06 | 2014-05-07 | 安徽巨一自动化装备有限公司 | Tooth side gap detection mechanism |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515493A (en) * | 2014-11-27 | 2015-04-15 | 苏州紫金港智能制造装备有限公司 | Automatic radial run-out measuring device |
| CN104515493B (en) * | 2014-11-27 | 2017-02-22 | 苏州紫金港智能制造装备有限公司 | Automatic radial run-out measuring device |
| CN106152914A (en) * | 2016-07-11 | 2016-11-23 | 安徽江淮汽车股份有限公司 | Backlash detection Apparatus and method for |
| CN107345802A (en) * | 2017-08-29 | 2017-11-14 | 华南理工大学 | The analytical equipment and method of a kind of planetary reduction gear gap dynamic characteristic |
| CN109341627A (en) * | 2018-10-23 | 2019-02-15 | 重庆理工大学 | A transmission gap measuring device |
| CN112013749A (en) * | 2019-05-30 | 2020-12-01 | 北京福田康明斯发动机有限公司 | Gear clearance measuring device |
| CN112013749B (en) * | 2019-05-30 | 2022-02-01 | 北京福田康明斯发动机有限公司 | Gear clearance measuring device |
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