CN204679034U - The two-sided engagement pick-up unit of gravity self-adapting type non-circular gear error - Google Patents
The two-sided engagement pick-up unit of gravity self-adapting type non-circular gear error Download PDFInfo
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- CN204679034U CN204679034U CN201520170225.1U CN201520170225U CN204679034U CN 204679034 U CN204679034 U CN 204679034U CN 201520170225 U CN201520170225 U CN 201520170225U CN 204679034 U CN204679034 U CN 204679034U
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Abstract
The two-sided engagement pick-up unit of a kind of gravity self-adapting type non-circular gear error, comprises pedestal, non-circular gear loading platform and cylindrical gear loading platform.Pedestal and non-circular gear loading platform maintain static, and cylindrical gear loading platform moves along guide rod along with the change of the meshed center distance of two gear pairs.Utilize stepper motor to input as power, slowing down via worm and gear passes to main shaft by gyration.With angle sheave guiding is have the rope of weight to strain dynamic seat, keeps the two-sided engagement between detected element non-circular gear and standard component cylindrical gear with this, and structure is simple, reliably effectively.In testing process, two gear pairs engagement time centre distance variable quantity, two gears meshing time real-time corner can utilize grating sensor and scrambler survey record respectively, while not only achieving multiparameter detect but also improve detection efficiency.
Description
Technical field
The utility model belongs to instrumentation techniques field, is specifically related to the two-sided engagement pick-up unit of a kind of non-circular gear error.
Background technology
Along with the development of computer technology and the appearance of numerically-controlled machine, the design of non-circular gear and processing is made to become more and more easier, but non-circular gear error is detected and but rarely has research, the pick-up unit of non-circular gear is also few, do not have the pick-up unit of non-circular gear just cannot evaluate the quality of processing non-circular gear quality to the error evaluating non-circular gear, the backwardness of non-circular gear measurement means limits non-circular gear mechanism production in enormous quantities simultaneously, therefore develops the investigation and application that non-circular gear pick-up unit is conducive to promoting non-circular gear.
Domestic Tang Dewei proposes the one flank gearing of non-circular gear and two-sided engagement detection method, its principle is the scheme of change centre distance transmission utilizing master gear and cylindrical gear engagement, realizes error-detecting in conjunction with computing machine, grating measuring and Numeric Control Technology and control device.The stone of Beijing University of Technology shines the non-circular gear error single-flank measurement mechanism realization detection non-circular gear correlation parameter of invention.Its principle realizes interlock based on two motors and changes centre distance and reach two gear single-sided engagements, and such design is quite high to the requirement of control system, and the motor simultaneously linked also can produce error, and high being not easy of cost is promoted the use of.The non-circular gear tooth profile total deviation measurement mechanism of University Of Tianjin's invention is based on Polar Method, utilizes survey ball directly to measure flank profil.This kind of method needs the feature calculating sampled point before measuring, and the wearing and tearing of surveying ball in measuring process can affect the precision of measurement.
Summary of the invention
The utility model object is to provide the two-sided engagement pick-up unit of a kind of gravity self-adapting type non-circular gear error, can realize the automatic detection of non-circular gear, greatly increase the detection efficiency of non-circular gear.
For achieving the above object, the technical solution adopted in the utility model is:
Comprise pedestal, non-circular gear loading platform and cylindrical gear loading platform.Pedestal and non-circular gear loading platform maintain static, and cylindrical gear loading platform moves along guide rod along with the change of the meshed center distance of two gear pairs.
Described pedestal comprises housing, two guide rods, the grating sensors of a rectangle.Two parallel guide rods are arranged on pedestal by screw attachment; Linear bearing is arranged on guide rod, can slide along guide rod direction; The scale grating of grating sensor is arranged on pedestal by screw attachment.
Described non-circular gear loading platform comprises reservation, stepper motor, electric machine support, shaft coupling, endless screw support, worm screw, worm gear, the first axle, angle sheave, weight, rope, little round nut, the first scrambler, the first scrambler support.Electric machine support, endless screw support are arranged in reservation by screw attachment, first scrambler support is arranged on endless screw support by screw attachment, stepper motor screw is arranged on electric machine support, and motor shaft is connected with shaft coupling, and the other end of shaft coupling is connected with worm shaft.Worm screw is arranged on endless screw support, and on the same axis, worm screw is rotated with motor in synchrony for motor shaft, shaft coupling axle and worm shaft.First scrambler is arranged on the first scrambler support by screw.First axle is vertically arranged in reservation by high accuracy circular taper roller bearing.First axle is installed worm gear and non-circular gear, and compress with little round nut, the axle of the first scrambler is connected with the upper end of the first axle, can with the first axle synchronous axial system.Worm screw drives the rotation of non-circular gear and the first axle by friction force.Worm screw engages with the worm gear be arranged in the first axle and transmits motion.Angle sheave is arranged on two sides of reservation, and rope termination is connected with weight and is connected with cylindrical gear loading platform via angle sheave.
Described cylindrical gear loading platform comprises standard cylinder gear, the second axle, round nut, the second scrambler, the second scrambler support, dynamic seat.Second axle is vertically arranged on dynamic seat by high accuracy circular taper roller bearing, and can be that axis rotates with pedal line with bearing.The shaft shoulder that standard cylinder gear is arranged on the second axle compresses with round nut.Second scrambler support is arranged on dynamic seat by screw, and the second scrambler is arranged on the second scrambler support by screw attachment, and the axle of the second scrambler is connected with the upper end of the second axle, can with the second axle synchronous axial system.The read head part of grating sensor is arranged on the side of dynamic seat by screw.Reservation is arranged on pedestal by screw attachment, and dynamic seat is arranged on linear bearing by screw attachment, and can move along guide rod.The rope one end hanging with weight to be tied up on dynamic seat and is guided by the angle sheave be arranged in reservation, and the dynamic seat of traction moves along guide rod.
The beneficial effects of the utility model:
1, the utility model eliminates complicated control driving, utilizes stepper motor to input as power, and slowing down via worm and gear passes to main shaft by gyration, simple and reliable for structure.
2, with angle sheave guiding is have the rope of weight to strain dynamic seat, keeps the two-sided engagement between detected element non-circular gear and standard component cylindrical gear with this, and structure is simple, and method is reliably effective.
3, in testing process, two gear pairs engagement time centre distance variable quantity, two gears meshing time real-time corner can utilize grating sensor and scrambler survey record respectively, while not only achieving multiparameter detect but also improve detection efficiency.
Accompanying drawing explanation
Fig. 1 is the axle schematic side view such as structure of the present utility model.
Fig. 2 is structure front-view schematic diagram of the present utility model.
Fig. 3 is structure schematic top plan view of the present utility model.
Fig. 4 is that schematic diagram is looked on a structure left side of the present utility model.
Fig. 5 be worm screw of the present utility model connect with motor install, worm and wheel engages schematic top plan view.
Fig. 6 is that worm screw of the present utility model connects with motor and installs a left side and look schematic diagram.
In figure: I. pedestal, II. non-circular gear loading platform, III. cylindrical gear loading platform, 1. weight, 2. rope, 3. angle sheave, 4. stepper motor, 5. electric machine support, 6. shaft coupling, 7. endless screw support, 8. worm screw, 9. the first scrambler support, 10. the first scrambler, 11. little round nuts, 12. non-circular gears, 13. worm gears, 14. axles, 15. second scramblers, 16. round nuts, 17. second scrambler supports, 18. standard cylinder gears are standard component, 19. second axles, 20. guide rods, 21. grating sensors, 22. linear bearings.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described.
As Figure 1-Figure 4, pedestal I, non-circular gear loading platform II and cylindrical gear loading platform III is comprised.Pedestal I and non-circular gear loading platform II maintain static, and cylindrical gear loading platform III moves along guide rod 20 along with the change of the meshed center distance of two gear pairs.
Pedestal I comprises aluminium alloy cast housing, two guide rods 20, the grating sensors 21 of a rectangle.Two parallel guide rods are arranged on pedestal I by screw attachment; Linear bearing 22 is arranged on guide rod 20, can slide along guide rod 20 direction; The scale grating of grating sensor 21 is arranged on pedestal I by screw attachment.
Non-circular gear loading platform II comprises reservation, stepper motor 4, electric machine support 5, shaft coupling 6, endless screw support 7, worm screw 8, worm gear 13, first axle 14, angle sheave 3, weight 1, rope 2, little round nut 11, first scrambler 10, first scrambler support 9.As shown in Figure 5, electric machine support 5, endless screw support 7 are arranged in reservation by screw attachment, first scrambler support 9 is arranged on endless screw support 7 by screw attachment, stepper motor 4 screw is arranged on electric machine support 5, motor shaft is connected with shaft coupling 6, and the other end of shaft coupling 6 is connected with worm shaft.Worm screw 8 is arranged on endless screw support 7, and on the same axis, worm screw 8 is rotated with motor in synchrony for motor shaft, shaft coupling axle and worm shaft.First scrambler 10 is arranged on the first scrambler support 9 by screw.First axle 14 is vertically arranged in reservation by high accuracy circular taper roller bearing.First axle 14 is installed worm gear 13 and non-circular gear 12, and compress with little round nut 11, the axle of the first scrambler 10 is connected with the upper end of the first axle 14, can with the first axle 14 synchronous axial system.Worm screw 8 drives the rotation of non-circular gear 12 and the first axle 14 by friction force.Worm screw 8 engages with the worm gear 13 be arranged in the first axle 14 and transmits motion.Angle sheave 3 is arranged on two sides of reservation, and rope 2 termination is connected with weight 1 and is connected with cylindrical gear loading platform III via angle sheave 3.The transmission process that this part realizes is: the gyration of stepper motor main shaft passes to worm screw 8 by shaft coupling, and the gyration of worm screw 8 is by passing to worm gear 13 with engaging of worm gear 13.Worm gear 13 drives the axle synchronous axial system of the first axle 14, non-circular gear 12 and the first scrambler 10 by friction force.Meanwhile, the non-circular gear 12 of rotation engages with standard cylinder gear 18, drives standard cylinder gear 18 to rotate.
Cylindrical gear loading platform III comprises standard cylinder gear 18, second axle 19, round nut 16, second scrambler 15, second scrambler support 17, dynamic seat, linear bearing 22.Second axle 19 is vertically arranged on dynamic seat by high accuracy circular taper roller bearing, and can be that axis rotates with pedal line with bearing.The shaft shoulder that standard cylinder gear 18 is arranged on the second axle 19 compresses with round nut 16.Second scrambler support 17 is arranged on dynamic seat by screw, and the second scrambler 15 is arranged on the second scrambler support 17 by screw attachment, and the axle of the second scrambler 10 is connected with the upper end of the second axle 19, can with the second axle 19 synchronous axial system.The read head part of grating sensor 21 is arranged on the side of dynamic seat by screw.Reservation is arranged on pedestal by screw attachment, and dynamic seat is arranged on linear bearing 22 by screw attachment, and can move along guide rod 20.Rope 2 one end hanging with weight 1 to be tied up on dynamic seat and is guided by the angle sheave be arranged in reservation, the dynamic seat of traction moves along guide rod 20, there is when engaging a constant power to make it to keep engaging contact condition to realize non-circular gear 12 and standard cylinder gear 18, reaching the effect of two-sided engagement.
The course of work of the present utility model is as follows:
Motor 4 is connected with shaft coupling 6, and power is input to worm screw 8, realizes the gyration of worm screw.Worm screw 8 engages with worm gear 13 and drives worm gear 13 to rotate, and worm gear 13 drives the axle of the first axle 14, non-circular gear 12, little round nut 11 and the first scrambler 10 to be that gyration is done in axle center with pedal line.The corner information of the first scrambler 10 real time record non-circular gear 12.Engagement force constant between standard cylinder gear 18 and non-circular gear 12 is provided by the gravity of the weight 1 tied up on rope 2, therefore non-circular gear 12 drives standard cylinder gear 18 integral cycle rotating.Two gears of this gear pair are standard cylinder gear 18 and non-circular gear 12 respectively, are become centre distance transmission when engaging, the real-time variation of centre distance when utilizing grating sensor 20 to record two gears meshing.The standard cylinder gear 18 rotated drives the axle synchronous axial system of the second axle 19, round nut 16, second scrambler 15, the real-time parameter of the second scrambler 15 record standard cylindrical gear 18 corner.First scrambler 10 being recorded the parameter that the information of non-circular gear 12 corner parameter, the information of the second scrambler 15 record standard cylindrical gear 18 corner parameter and grating sensor 21 record the centre distance of two gears meshing imports in computing machine, can analyze transmission ratio function error, the pitch line error of non-circular gear and every error of gear.
Claims (1)
1. the two-sided engagement pick-up unit of gravity self-adapting type non-circular gear error, is characterized in that: comprise pedestal (I), non-circular gear loading platform (II) and cylindrical gear loading platform (III); Pedestal (I) and non-circular gear loading platform (II) maintain static, and cylindrical gear loading platform (III) is mobile along guide rod (20) along with the change of the meshed center distance of two gear pairs;
Described pedestal (I) comprises the housing of a rectangle, two guide rods (20), grating sensor (21); Two parallel guide rods (20) are arranged on pedestal (I) by screw attachment; Linear bearing (22) is arranged on guide rod (20), can slide along guide rod (20) direction; The scale grating of grating sensor (21) is arranged on pedestal (I) by screw attachment;
Described non-circular gear loading platform (II) comprises reservation, stepper motor (4), electric machine support (5), shaft coupling (6), endless screw support (7), worm screw (8), worm gear (13), the first axle (14), angle sheave (3), weight (1), rope (2), little round nut (11), the first scrambler (10), the first scrambler support (9); Electric machine support (5), endless screw support (7) are arranged in reservation by screw attachment, first scrambler support (9) is arranged on endless screw support (7) by screw attachment, stepper motor (4) screw is arranged on electric machine support (5), motor shaft is connected with shaft coupling (6), and the other end of shaft coupling (6) is connected with worm shaft; Worm screw (8) is arranged on endless screw support (7), and on the same axis, worm screw (8) is rotated with motor in synchrony for motor shaft, shaft coupling axle and worm shaft; First scrambler (10) is arranged on the first scrambler support (9) by screw; First axle (14) is vertically arranged in reservation by high accuracy circular taper roller bearing; First axle (14) is installed worm gear (13) and non-circular gear (12), and compress with little round nut (11), the axle of the first scrambler (10) is connected with the upper end of the first axle (14), can with the first axle (14) synchronous axial system; Worm screw (8) drives the rotation of non-circular gear (12) and the first axle (14) by friction force; Worm screw (8) engages with the worm gear (13) be arranged in the first axle (14) and transmits motion; Angle sheave (3) is arranged on two sides of reservation, and rope (2) termination is connected with weight (1) and is connected with cylindrical gear loading platform (III) via angle sheave (3);
Described cylindrical gear loading platform (III) comprises standard cylinder gear (18), the second axle (19), round nut (16), the second scrambler (15), the second scrambler support (17), dynamic seat, linear bearing (22); Second axle (19) is vertically arranged on dynamic seat by high accuracy circular taper roller bearing, and can be that axis rotates with pedal line with bearing; The shaft shoulder that standard cylinder gear (18) is arranged on the second axle (19) compresses with round nut (16); Second scrambler support (17) is arranged on dynamic seat by screw, second scrambler (15) is arranged on the second scrambler support (17) by screw attachment, the axle of the second scrambler (15) is connected with the upper end of the second axle (19), can with the second axle (19) synchronous axial system; The read head part of grating sensor (21) is arranged on the side of dynamic seat by screw; Reservation is arranged on pedestal by screw attachment, and dynamic seat is arranged on linear bearing (22) by screw attachment, and can be mobile along guide rod (20); Rope (2) one end hanging with weight (1) to be tied up on dynamic seat and is guided by the angle sheave be arranged in reservation, and the dynamic seat of traction is mobile along guide rod (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520170225.1U CN204679034U (en) | 2015-03-25 | 2015-03-25 | The two-sided engagement pick-up unit of gravity self-adapting type non-circular gear error |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520170225.1U CN204679034U (en) | 2015-03-25 | 2015-03-25 | The two-sided engagement pick-up unit of gravity self-adapting type non-circular gear error |
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| Publication Number | Publication Date |
|---|---|
| CN204679034U true CN204679034U (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520170225.1U Expired - Fee Related CN204679034U (en) | 2015-03-25 | 2015-03-25 | The two-sided engagement pick-up unit of gravity self-adapting type non-circular gear error |
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| CN (1) | CN204679034U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289087A (en) * | 2016-10-12 | 2017-01-04 | 哈尔滨精达机械发展有限公司 | A kind of gear two-sided engages measuring instrument and eliminates the method that master gear used by it introduces error |
| CN106345697A (en) * | 2016-11-02 | 2017-01-25 | 哈尔滨精达机械发展有限公司 | Novel semiautomatic multi-station gear sorting machine measured and assembled by taking double-sided meshing of gears, and operating method of sorting machine |
| CN108827627A (en) * | 2018-05-28 | 2018-11-16 | 河北工业大学 | A kind of gear mesh force detection device |
| CN110864658A (en) * | 2019-11-25 | 2020-03-06 | 南靖长青精密丝杆制造有限公司 | New energy automobile energy storage ware nut gear profile of tooth check out test set |
| CN112902849A (en) * | 2021-01-20 | 2021-06-04 | 北京工业大学 | Measure vice double-tooth error's of worm gear structure |
-
2015
- 2015-03-25 CN CN201520170225.1U patent/CN204679034U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289087A (en) * | 2016-10-12 | 2017-01-04 | 哈尔滨精达机械发展有限公司 | A kind of gear two-sided engages measuring instrument and eliminates the method that master gear used by it introduces error |
| CN106289087B (en) * | 2016-10-12 | 2018-11-20 | 哈尔滨精达机械发展有限公司 | A method of it eliminating gear two-sided engagement measuring instrument Plays gear and introduces error |
| CN106345697A (en) * | 2016-11-02 | 2017-01-25 | 哈尔滨精达机械发展有限公司 | Novel semiautomatic multi-station gear sorting machine measured and assembled by taking double-sided meshing of gears, and operating method of sorting machine |
| CN106345697B (en) * | 2016-11-02 | 2019-05-07 | 哈尔滨精达机械发展有限公司 | It is a kind of to engage the New semi automatic multistation gear sorting machine and its operating method that measurement is set up with gear two-sided |
| CN108827627A (en) * | 2018-05-28 | 2018-11-16 | 河北工业大学 | A kind of gear mesh force detection device |
| CN110864658A (en) * | 2019-11-25 | 2020-03-06 | 南靖长青精密丝杆制造有限公司 | New energy automobile energy storage ware nut gear profile of tooth check out test set |
| CN110864658B (en) * | 2019-11-25 | 2021-10-26 | 义乌市长新传动科技有限公司 | New energy automobile energy accumulator nut gear tooth shape detection method |
| CN112902849A (en) * | 2021-01-20 | 2021-06-04 | 北京工业大学 | Measure vice double-tooth error's of worm gear structure |
| CN112902849B (en) * | 2021-01-20 | 2022-04-19 | 北京工业大学 | Measure vice double-tooth error's of worm gear structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20160325 |