CN203414042U - Gear backlash detection device - Google Patents
Gear backlash detection device Download PDFInfo
- Publication number
- CN203414042U CN203414042U CN201320465456.6U CN201320465456U CN203414042U CN 203414042 U CN203414042 U CN 203414042U CN 201320465456 U CN201320465456 U CN 201320465456U CN 203414042 U CN203414042 U CN 203414042U
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- gear
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Abstract
The utility model discloses a gear backlash detection device, relates to the field of detection equipment and provides the gear backlash detection device capable of detecting part quality and assembling quality of a wiper motor decelerator output shaft assembly. The gear backlash detection device comprises a gear fixing device, a pointer, an arced scale and a detected gear assembly having two gears which are mutually engaged, wherein one gear is fixed by the gear fixing device, the fixed gear and the other non-fixed gear are the fixed gear and the moving gear respectively, the pointer is connected with the moving gear, a distance from a pointer tip of the pointer to a circle center of the moving gear is greater than a circle radius of a tooth crest of the moving gear, an arc circle center of the arced scale is at the circle center of the moving gear, and the position of the arced scale corresponds to the pointer tip of the pointer. The gear backlash detection device is not only applicable to gear backlash detection of the wiper motor decelerator output shaft assembly, but also is applicable to backlash detection of other engaged gears.
Description
Technical field
The utility model relates to inspection machine field, relates in particular to a kind of gear backlash pick-up unit.
Background technology
At present, in the assembling of rain shaving electrical machine speed reduction unit, output shaft assembly pinion wheel is most important with band tooth connecting rod side play value, and it is being related to the effect that scrapes of wiper.
Output shaft assembly consists of pinion wheel, band tooth connecting rod, output shaft, centering block, trundle, wherein, is with tooth lever point riveting or revolves riveting between two centering blocks.Pinion wheel with tooth connecting rod side play value size by the quality of pinion gear teeth, with the quality of tooth link gear tooth and engagement, centering block centre distance, the press-fiting of pinion wheel and output shaft, with the some riveting of tooth connecting rod and centering block or to revolve riveter skill relevant, backlash values size is controlled difficulty.Adopt output shaft sideshake pick-up unit not only can control pivot angle quality, can also instruct above technological parameter to regulate, reduce loss due to spoiled work, improve the quality of products.
Utility model content
The technical problems to be solved in the utility model is: a kind of gear backlash pick-up unit that can detect rain shaving electrical machine reducer output shaft component part quality and assembly quality is provided.
For addressing the above problem the technical scheme of employing, be: gear backlash pick-up unit comprise gear fixing device, pointer, arc scale and detected have intermeshing two gears gear assembly; Gear fixing device is fixed a gear, and what be fixed is respectively fixed gear and free gear with loose gear; Pointer is connected with free gear, and the needle point of pointer to the distance in the free gear center of circle is greater than free gear radius of addendum; The center of circle of scale arc is positioned at free gear circle centre position, and position of rule is corresponding with pointer tip position.
Further: gear backlash pick-up unit comprises needle dial, be provided with the scale slot of arc on needle dial, scale can move along scale slot.
Further: gear assembly comprises output shaft, connecting rod and two centering blocks; On centering block, be provided with two mounting holes, two mounting hole spacing are corresponding with the centre distance of two gears, and two centering blocks lay respectively at gear Width both sides; Output shaft is connected and fixed gear and two centering blocks through one group of mounting hole, in another group mounting hole, connecting pin is set and connects free gear and two centering blocks; Free gear is partial gear, and connecting rod and free gear are made one.
Further: gear fixing device comprises position limited gear, holder and axial clamping device, on holder, be provided with fixed orifice, output shaft inserts fixed orifice, and position limited gear is fixedly connected with and is adjacent to fixed gear and prevents that fixed gear from rotating with holder, and axial clamping device is centering block fixedly.
The beneficial effects of the utility model are: swing free gear, the oscillating quantity of free gear is gear backlash, the needle point of pointer to the distance in the free gear center of circle is greater than free gear radius of addendum, pointer has amplified the oscillating quantity of free gear, make gear backlash be convenient to measure, by observing the reading on the scale that pointer is corresponding and doing to calculate and can measure gear backlash.Gear backlash has embodied rain shaving electrical machine reducer output shaft component part quality and assembly quality.Therefore the utility model can detect rain shaving electrical machine reducer output shaft component part quality and assembly quality, thereby instructs part to produce and Assembly of the parts operation.
Accompanying drawing explanation:
Fig. 1 is gear backlash pick-up unit vertical view;
Fig. 2 is gear backlash pick-up unit cut-open view;
In figure, be labeled as: gear assembly 1, pointer 2, scale 3, scale slot 4, needle dial 5, connecting rod 6, mounting hole 7, connecting pin 8, free gear 9, centering block 10, output shaft 11, fixed gear 12, position limited gear 13, holder 14, fixed orifice 15.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated.
For a kind of gear backlash pick-up unit that can detect rain shaving electrical machine reducer output shaft component part quality and assembly quality is provided, gear backlash pick-up unit comprise gear fixing device, pointer 2, arc scale 3 and detected have intermeshing two gears gear assembly 1; Gear fixing device is fixed a gear, and what be fixed is respectively fixed gear 12 and free gear 9 with loose gear; Pointer 2 is connected with free gear 9, and the needle point of pointer 2 to the distance in free gear 9 centers of circle is greater than free gear 9 radiuss of addendum; The center of circle of scale 3 arcs is positioned at free gear 9 circle centre positions, and scale 3 positions are corresponding with pointer 2 tip positions.Swing free gear 9, the oscillating quantity of free gear 9 is gear backlash, the needle point of pointer 2 to the distance in free gear 9 centers of circle is greater than free gear 9 radiuss of addendum, pointer 2 has amplified the oscillating quantity of free gear 9, make gear backlash be convenient to measure, by the reading on the scale 3 of observation pointer 2 correspondences work, calculate and can measure gear backlash.Gear backlash has embodied rain shaving electrical machine reducer output shaft component part quality and assembly quality.Therefore the utility model can detect rain shaving electrical machine reducer output shaft component part quality and assembly quality, thereby instructs part to produce and Assembly of the parts operation.The utility model not only can be used for rain shaving electrical machine reducer output shaft component gear sideshake and detects, and the sideshake that also can be used for other meshed gears detects.
Detect " 0 " position of the best alignment scale of pointer while starting, be convenient to reading.In order to facilitate " 0 " position of pointer alignment scale, gear backlash pick-up unit comprises needle dial 5, is provided with the scale slot 4 of arc on needle dial 5, and scale 3 can move along scale slot 4.For the center of circle of scale 3 overlaps with the center of circle of free gear 9 all the time, the center of circle of scale slot 4 also should overlap with the center of circle of free gear 9.
According to rain shaving electrical machine reducer output shaft modular construction, gear backlash pick-up unit concrete structure is as follows: gear assembly 1 comprises output shaft 11, connecting rod 6 and two centering blocks 10; On centering block 10, be provided with 7, two mounting hole 7 spacing of two mounting holes corresponding with the centre distance of two gears, two centering blocks 10 lay respectively at gear Width both sides; Output shaft 11 is connected and fixed gear 12 and two centering blocks 10 through one group of mounting hole 7, and the interior connecting pin 8 that arranges of another group mounting hole 7 connects free gear 9 and two centering blocks 10; Free gear 9 is partial gear, and connecting rod 6 is made one with free gear 9.
The concrete fixed form of fixed gear 12 has multiple, the utility model optimal way is: gear fixing device comprises position limited gear 13, holder 14 and axial clamping device, on holder 14, be provided with fixed orifice 15, output shaft 11 inserts fixed orifice 15, position limited gear 13 is fixedly connected with and is adjacent to fixed gear 12 with holder 14 and prevents that fixed gear 12 from rotating, and axial clamping device is centering block 10 fixedly.Gear fixing device need to limit following motion: whole motor reducer output shaft assembly along gear shaft to displacement, the rotation of fixed gear 12 and the swing of centering block 10.Corresponding position limited gear 13 has limited the rotation of fixed gear 12; Axially clamping device limited whole motor reducer output shaft assembly along gear shaft to displacement and the swing of centering block 10.Axially clamping device is exactly centering block 10 to be pressed to the device of holder 14.Axially clamping device can have multiple set-up mode, the most exactly double-screw bolt is set on holder 14, puts compressing tablet on double-screw bolt, and compressing tablet rides on centering block 10, with nut, along double-screw bolt, presses down compressing tablet, and compressing tablet pushes down centering block 10.
Claims (4)
1. gear backlash pick-up unit, is characterized in that: comprise gear fixing device, pointer (2), arc scale (3) and detected have intermeshing two gears gear assembly (1); Gear fixing device is fixed a gear, and what be fixed is respectively fixed gear (12) and free gear (9) with loose gear; Pointer (2) is connected with free gear (9), and the needle point of pointer (2) to the distance in free gear (9) center of circle is greater than free gear (9) radius of addendum; The center of circle of scale (3) arc is positioned at free gear (9) circle centre position, and scale (3) position is corresponding with pointer (2) tip position.
2. gear backlash pick-up unit according to claim 1, is characterized in that: comprise needle dial (5), be provided with the scale slot (4) of arc on needle dial (5), scale (3) can be mobile along scale slot (4).
3. according to the gear backlash pick-up unit described in claim 1 or 2 any one, it is characterized in that: gear assembly (1) comprises output shaft (11), connecting rod (6) and two centering blocks (10); On centering block (10), be provided with two mounting holes (7), two mounting holes (7) spacing is corresponding with the centre distance of two gears, and two centering blocks (10) lay respectively at gear Width both sides; Output shaft (11) is connected and fixed gear (12) and two centering blocks (10) through one group of mounting hole (7), in another group mounting hole (7), connecting pin (8) is set and connects free gear (9) and two centering blocks (10); Free gear (9) is partial gear, and connecting rod (6) is made one with free gear (9).
4. gear backlash pick-up unit according to claim 3, it is characterized in that: gear fixing device comprises position limited gear (13), holder (14) and axial clamping device, on holder (14), be provided with fixed orifice (15), output shaft (11) inserts fixed orifice (15), position limited gear (13) is fixedly connected with and is adjacent to fixed gear (12) with holder (14) and prevents that fixed gear (12) from rotating, and axial clamping device is centering block (10) fixedly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320465456.6U CN203414042U (en) | 2013-07-31 | 2013-07-31 | Gear backlash detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320465456.6U CN203414042U (en) | 2013-07-31 | 2013-07-31 | Gear backlash detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203414042U true CN203414042U (en) | 2014-01-29 |
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ID=49976926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320465456.6U Expired - Lifetime CN203414042U (en) | 2013-07-31 | 2013-07-31 | Gear backlash detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203414042U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289769A (en) * | 2016-09-30 | 2017-01-04 | 奇瑞汽车股份有限公司 | The test device of manual transmission gear backlash and method of testing thereof |
| CN108592845A (en) * | 2018-04-25 | 2018-09-28 | 河北工业大学 | A kind of adjustable experimental provision of gear tooth side gap |
| CN108955488A (en) * | 2018-05-28 | 2018-12-07 | 王清凤 | A kind of internal gear angle, the measuring device for connecting distance and tooth pitch |
-
2013
- 2013-07-31 CN CN201320465456.6U patent/CN203414042U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289769A (en) * | 2016-09-30 | 2017-01-04 | 奇瑞汽车股份有限公司 | The test device of manual transmission gear backlash and method of testing thereof |
| CN108592845A (en) * | 2018-04-25 | 2018-09-28 | 河北工业大学 | A kind of adjustable experimental provision of gear tooth side gap |
| CN108955488A (en) * | 2018-05-28 | 2018-12-07 | 王清凤 | A kind of internal gear angle, the measuring device for connecting distance and tooth pitch |
| CN108955488B (en) * | 2018-05-28 | 2020-07-10 | 浙江图元智能装备科技有限公司 | Measuring device for angle, connecting distance and tooth pitch of internal gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |
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| CX01 | Expiry of patent term |