CN205118137U - Gear transmission mechanism - Google Patents
Gear transmission mechanism Download PDFInfo
- Publication number
- CN205118137U CN205118137U CN201520859637.6U CN201520859637U CN205118137U CN 205118137 U CN205118137 U CN 205118137U CN 201520859637 U CN201520859637 U CN 201520859637U CN 205118137 U CN205118137 U CN 205118137U
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- gear
- tooth
- herringbone
- teeth
- wheel body
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Abstract
The utility model discloses a gear transmission mechanism, set up just intermeshing's herringbone flank of tooth gear and herringbone tooth roller gear including axis mutually perpendicular, herringbone flank of tooth gear includes disc wheel body and the gear shaft of locating disc wheel body intermediate position department, a side surface of disc wheel body is equipped with the first herringbone tooth that the center of using the gear shaft distributes as the annular in the centre of a circle, be provided with the second herringbone tooth on herringbone tooth roller gear's the outer circumference of wheel body, first herringbone tooth is the lambdoid first dextrorotation teeth of a cogwheel by the butt joint and the first levogyration teeth of a cogwheel are formed, the second herringbone tooth is the lambdoid second levogyration teeth of a cogwheel by the butt joint and the second dextrorotation teeth of a cogwheel are constituteed, the second levogyration teeth of a cogwheel and first dextrorotation wheel gear mesh, the second dextrorotation teeth of a cogwheel and first levogyration wheel gear mesh. The utility model has the advantages of simple structure, novel in design reasonable, bearing capacity is big, and meshing performance is good, and the transmission is steady, the noise is little, and the practicality is strong, excellent in use effect.
Description
Technical field
The utility model belongs to gear transmission technology field, is specifically related to a kind of gear drive.
Background technique
Face gear has lot of advantages as a kind of Novel transmission, as high in contact ratio, bearing capacity is high, in branched power transmission, shunting precision is high.In view of its transmission advantage, be applied to Helicopter Main transmission system the earliest, along with the progress of manufacturing technology, face gear transmission is also applied to some extent at the transmission field such as vehicle, wind-powered electricity generation.
Face gear transmission is the kind of drive that a kind of cylindrical gears is meshed with bevel gear, and what first enter practical stage is straight-sided flank gear transmission, i.e. the engagement transmission mechanism that forms of straight toothed spur gear and face gear.In order to develop the face gear transmission mechanism of function admirable further, or being convenient to the processing of face gear, having occurred mainly containing some novel face gear transmission mechanisms:
(1) pitch face gear drive: the pitch face gear drive as shown in Figure 1 for being researched and developed by people such as the Litvin of Chicago University, the Heath of Boeing.Compared to straight-sided flank gear, application pitch face gear can significantly improve the power to weight ratio of transmission system, and noise-decreasing, alleviates vibration, reduces costs.
(2) arc tooth surface gear drive: publication number is that the patent of invention of CN101225878A discloses a kind of arc tooth surface gear pair and processing method thereof, this arc tooth surface gear pair contains mutually due to the gear teeth of steamboat and bull wheel, has point cantact characteristic, bearing capacity is large, transmission efficiency is high advantage.Publication number is that the patent of invention of US2013/0042711A1 discloses a kind of oblique arc tooth surface gear drive, as shown in Figure 2, this gear mechanism can realize bidirectional rotation and two-way translation, and the transmission of the power that can realize between oblique axis or speed.
(3) Conical face gear transmission mechanism: publication number is that the patent of invention of US005941124A discloses Conical face gear transmission mechanism and manufacture method thereof and application example.As shown in Figure 3, in this mechanism, involute helicoid constitutes little form of gear tooth, and face tooth-formation of gear is defined by conjugate principle.This mechanism allows transmitting large torque under high-speed drive condition, can be used for Helicopter Transmission System.
(4) Coniface face gear transmission mechanism: the gloomy company of Green can adopt universal cutter and phoenix lathe to realize to make the processing of face gear, have studied the method with facing tool working surface gear, and the face gear that the method is processed is called Coniface face gear.Its patent publication No. is US20120099939A1.
(5) other are the tooth surface design of the gear transmission engagement of improvement face and load-carrying properties: publication number is that the patent of invention of CN101725671A discloses a kind of face gear transmission mechanism with high contact ratio, this face gear mechanism has the advantages that dynamic characteristic is good, loading capability is high, and contact ratio is more than or equal to 2.Publication number is that the patent of invention of US005845533A discloses the gear transmission of a kind of correction of the flank shape face, has carried out correction of the flank shape to the flank profil of its hobboing cutter, and changes the amount of feed along axis of workpiece of cutter, to realize axial modification; The enforcement object of this patent is: by simple and cheap tolerance means, enables engineer select the backlash of best bearing mode, and this gap is not by the impact of steamboat axial position; The gear-driven installation in simplification face, makes steamboat axial position to engagement without any impact.
From the content that these patents above-mentioned are discussed, its target pursues the premium properties such as bearing capacity is larger, meshing performance is more excellent, easily manufactured, stable drive, noise are little.
But the face gear of the above-mentioned type there are the following problems: be there is to contact ratio is little, bearing capacity is not high feature, be attended by noise and vibration in traditional straight-tooth, Coniface face gear; For helical teeth, Conical face gear, owing to introducing helix angle, will weaken in the gear transmission of face, steamboat is without this advantage of axial force; Above all kinds of gear transmissions all need to be designed to point cantact mesh form (avoid alignment error, EDGE CONTACT that supporting deformation causes, or the gear teeth such as can not to contact at the adverse effect), can not effectively utilize its facewidth to carry.
Model utility content
Technical problem to be solved in the utility model is that, for above-mentioned deficiency of the prior art, provide a kind of gear drive, its structure is simple, rationally novel in design, bearing capacity is large, and meshing performance is good, stable drive, noise are little, practical, and using effect is good.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of gear drive, it is characterized in that: comprise axis and mutually vertically arrange and intermeshing herringbone flank of tooth gear and herringbone tooth cylindrical gears, described herringbone flank of tooth gear comprises disc wheel body and is located at the gear shaft of disc wheel body middle position, one side surface of described disc wheel body is provided with the first herringbone tooth of the center of the gear shaft annular spread that is the center of circle, the wheel body excircle of described herringbone tooth cylindrical gears is provided with the second herringbone tooth, described first herringbone tooth forms in the lambdoid first dextrorotation gear teeth and the first left-handed gear teeth by docking, described second herringbone tooth forms in the lambdoid second left-handed gear teeth and the second dextrorotation gear teeth by docking, the described second left-handed gear teeth are meshed with the first dextrorotation gear teeth, the described second dextrorotation gear teeth are meshed with the first left-handed gear teeth.
Above-mentioned a kind of gear drive, is characterized in that: the quantity of described first herringbone tooth is 6 ~ 15 times of the quantity of the second herringbone tooth.
The utility model compared with prior art has the following advantages:
1, structure of the present utility model is simple, rationally novel in design.
2, the utility model has the symmetrical gear teeth, and bidentate carries, and add the effective facewidth of face gear, eliminate the axial force of herringbone tooth cylindrical gears, bearing capacity significantly increases.
3, herringbone tooth cylindrical gears of the present utility model can automatic axial centering, and effect of load balancing mechanism is good.
4, transmission of power of the present utility model is smooth-going, and noise is low.
5, of the present utility model practical, using effect is good, is convenient to promote the use of.
In sum, structure of the present utility model is simple, rationally novel in design, and bearing capacity is large, and meshing performance is good, and stable drive, noise are little, practical, and using effect is good.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of pitch face gear drive.
Fig. 2 is the structural representation of oblique arc tooth surface gear drive.
Fig. 3 is the structural representation of Conical face gear transmission mechanism.
Fig. 4 is structural representation of the present utility model.
Fig. 5 is the structural representation of the utility model first herringbone tooth.
Fig. 6 is the structural representation of the utility model second herringbone tooth.
Fig. 7 is the structural representation for processing Gear Milling device of the present utility model.
Description of reference numerals:
1-herringbone flank of tooth gear; 2-herringbone tooth cylindrical gears; 3-the first herringbone tooth;
4-the second herringbone tooth; 5-the second left-handed gear teeth; 6-the second dextrorotation gear teeth;
7-the first dextrorotation gear teeth; 8-the first left-handed gear teeth; 9-disc wheel body;
10-axis hole prolonged section; 11-herringbone flank of tooth gear mounting shaft; 12-finger cutter;
13-the first rotating disk; 14-the second rotating disk; 15-Z-direction motion guide rail;
16-Y-direction moving slide block; 17-X is to motion guide rail; 18-X is to moving slide block;
19-milling cutter installation shaft; 20-frame.
Embodiment
As Fig. 4, shown in Fig. 5 and Fig. 6, gear drive of the present utility model, comprise axis mutually vertically to arrange and intermeshing herringbone flank of tooth gear 1 and herringbone tooth cylindrical gears 2, described herringbone flank of tooth gear 1 comprises disc wheel body 9 and is located at the gear shaft 10 of disc wheel body 9 middle position, one side surface of described disc wheel body 9 is provided with the first herringbone tooth 3 of the center of gear shaft 10 annular spread that is the center of circle, the wheel body excircle of described herringbone tooth cylindrical gears 2 is provided with the second herringbone tooth 4, described first herringbone tooth 3 is that the lambdoid first dextrorotation gear teeth 7 and the first left-handed gear teeth 8 form by docking, described second herringbone tooth 4 is that the lambdoid second left-handed gear teeth 5 and the second dextrorotation gear teeth 6 form by docking, the described second left-handed gear teeth 5 are meshed with the first dextrorotation gear teeth 7, the described second dextrorotation gear teeth 6 are meshed with the first left-handed gear teeth 8.
As shown in Figure 4, in the present embodiment, the quantity of described first herringbone tooth 3 is 6 ~ 15 times of the quantity of the second herringbone tooth 4.
The method of Gear Milling is carried out to the first herringbone tooth of herringbone flank of tooth gear in the utility model, comprises the following steps:
Step one, structure Gear Milling device: as shown in Figure 7, described Gear Milling device comprises herringbone flank of tooth gear mounting shaft 11, finger cutter 12, milling cutter installation shaft 19 and milling cutter motion, is fixedly connected with herringbone flank of tooth gear mounting shaft 11 for the disc wheel body 9 processing herringbone flank of tooth gear 1, the second rotating disk 14 that described milling cutter motion comprises the first rotating disk 13 and is rotationally connected with the first rotating disk 13, and Z-direction moving slide block 15, Y-direction moving slide block 16, X is to motion guide rail 17 and X to moving slide block 18, described Z-direction moving slide block 15 embeds and is arranged in the second rotating disk 14 and the motion can done in the second rotating disk 14 in Z-direction, described Y-direction moving slide block 16 is slidably connected in the Y-axis direction with Z-direction moving slide block 15, described X is fixedly connected with to motion guide rail 17 with Y-direction moving slide block 16, described X is slidably connected to motion guide rail 17 to moving slide block 18 in the X-axis direction with X, described finger cutter 12 is fixedly connected with milling cutter installation shaft 19, described milling cutter installation shaft 19 is rotatably connected on X on moving slide block 18,
In the present embodiment, the cutting edge shape of described finger cutter 12 is identical with the normal direction transversal shape of herringbone tooth cylindrical gears 2 flank profil.
During concrete enforcement, herringbone flank of tooth gear mounting shaft 11 and milling cutter installation shaft 19 all adopt driven by motor to rotate, first rotating disk 13 is rotatably connected in frame 20, described Z-direction moving slide block 15 is driven the motion done in the first rotating disk 13 in Z-direction by lead screw pair, described Y-direction moving slide block 16 to be sleeved on Z-direction moving slide block 15 and can be driven by lead screw pair and slides in the Y-axis direction, and described X is sleeved on X on motion guide rail 17 to moving slide block 18 and can be driven by lead screw pair and slide in the X-axis direction.
Step 2, employing Gear Milling device roughing first herringbone tooth 3: the second rotating disk 14 on disc wheel body 9 rotate, and Z-direction moving slide block 15 moves in the Z-axis direction, and the corner ξ of the second rotating disk 14
ss=P ξ is met with the displacement S of Z-direction moving slide block 15
s, P is the lead of screw of herringbone tooth cylindrical gears 2, at the synthesis helical tooth of the second rotating disk 14 and Z-direction moving slide block 15 under the driving of feed movement, finger cutter 12 to be spinned feed movement at teeth directional; Meanwhile, X drives finger cutter 12 to slide along X to motion guide rail 17 to moving slide block 18, makes finger cutter 12 on disc wheel body 9, do the feed movement in flank profil direction; Meanwhile, dish type wheel body 9 rotates with live axle 11, finger cutter 12 rotates under the driving of the first rotating disk 13, and the motion of live axle 11 and the first rotating disk 13 constitutes the gear motion of finger cutter 12 and the first herringbone tooth 3 will processed on disc wheel body 9, the corner φ of live axle 11
1with the corner φ of the first rotating disk 13
bmeet φ
1=φ
bn
2/ N
1, N
2be the number of teeth of the second herringbone tooth 4, N
1it is the number of teeth of the first herringbone tooth 3; Meanwhile, finger cutter 12 rotates with milling cutter installation shaft 19; Being used for rough lumber goes out the first herringbone tooth 3 that whole depth is 2.25m; M is the modulus of herringbone flank of tooth gear 1;
Step 3, the first herringbone tooth 3 fine finishing correction of the flank shape: the second rotating disk 14 rotates, and Z-direction moving slide block 15 moves in the Z-axis direction, and the corner ξ of the second rotating disk 14
ss=P ξ is met with the displacement S of Z-direction moving slide block 15
s, at the synthesis helical tooth of the second rotating disk 14 and Z-direction moving slide block 15 under the driving of feed movement, finger cutter 12 to be spinned feed movement at teeth directional; Meanwhile, X drives finger cutter 12 to slide along X to motion guide rail 17 to moving slide block 18, makes finger cutter 12 on disc wheel body 9, do feeding and the correction of the flank shape campaign in flank profil direction; Meanwhile, dish type wheel body 9 rotates with live axle 11, finger cutter 12 rotates under the driving of the first rotating disk 13, and the motion of live axle 11 and the first rotating disk 13 constitutes the gear motion of finger cutter 12 and the first herringbone tooth 3 will processed on disc wheel body 9, the corner φ of live axle 11
1with the corner φ of the first rotating disk 13
bmeet φ
1=φ
bn
2/ N
1; Meanwhile, finger cutter 12 rotates with milling cutter installation shaft 19, and being used for essence, to cut out whole depth be 2.25m+aS
2the first herringbone tooth 3; Wherein, a is teeth directional parabola profile modifying parameters, is used for controlling teeth directional depth of cut, and concrete value is 0.00001 ~ 0.0001.By having carried out fine finishing correction of the flank shape to the first herringbone tooth, can according to the needs of meshing performance, the position in the first herringbone tooth contact path of making rational planning for.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.
Claims (2)
1. a gear drive, it is characterized in that: comprise axis and mutually vertically arrange and intermeshing herringbone flank of tooth gear (1) and herringbone tooth cylindrical gears (2), described herringbone flank of tooth gear (1) comprises disc wheel body (9) and is located at the gear shaft (10) of disc wheel body (9) middle position, it is first herringbone tooth (3) of the annular spread in the center of circle that one side surface of described disc wheel body (9) is provided with the center of gear shaft (10), the wheel body excircle of described herringbone tooth cylindrical gears (2) is provided with the second herringbone tooth (4), described first herringbone tooth (3) is that the lambdoid first dextrorotation gear teeth (7) and the first left-handed gear teeth (8) form by docking, described second herringbone tooth (4) is that the lambdoid second left-handed gear teeth (5) and the second dextrorotation gear teeth (6) form by docking, the described second left-handed gear teeth (5) are meshed with the first dextrorotation gear teeth (7), the described second dextrorotation gear teeth (6) are meshed with the first left-handed gear teeth (8).
2. according to a kind of gear drive according to claim 1, it is characterized in that: the quantity of described first herringbone tooth (3) is 6 ~ 15 times of the quantity of the second herringbone tooth (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520859637.6U CN205118137U (en) | 2015-10-31 | 2015-10-31 | Gear transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520859637.6U CN205118137U (en) | 2015-10-31 | 2015-10-31 | Gear transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205118137U true CN205118137U (en) | 2016-03-30 |
Family
ID=55573752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520859637.6U Expired - Fee Related CN205118137U (en) | 2015-10-31 | 2015-10-31 | Gear transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205118137U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333064A (en) * | 2015-10-31 | 2016-02-17 | 西安科技大学 | Herringbone tooth surface gear transmission mechanism and tooth milling method for herringbone tooth surface gear of herringbone tooth surface gear transmission mechanism |
| CN109538700A (en) * | 2019-01-18 | 2019-03-29 | 天津工业大学 | A kind of high-performance curved tooth planetary reduction gear |
| TWI659165B (en) * | 2018-08-09 | 2019-05-11 | 正修學校財團法人正修科技大學 | Method for manufacturing point contact sinusoidal gear transmission mechanism with preset second-order or fourth-order transmission error |
-
2015
- 2015-10-31 CN CN201520859637.6U patent/CN205118137U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333064A (en) * | 2015-10-31 | 2016-02-17 | 西安科技大学 | Herringbone tooth surface gear transmission mechanism and tooth milling method for herringbone tooth surface gear of herringbone tooth surface gear transmission mechanism |
| CN105333064B (en) * | 2015-10-31 | 2018-09-18 | 西安科技大学 | The Gear Milling method of double helical tooth face gear transmission mechanism and its herringbone flank of tooth gear |
| TWI659165B (en) * | 2018-08-09 | 2019-05-11 | 正修學校財團法人正修科技大學 | Method for manufacturing point contact sinusoidal gear transmission mechanism with preset second-order or fourth-order transmission error |
| CN109538700A (en) * | 2019-01-18 | 2019-03-29 | 天津工业大学 | A kind of high-performance curved tooth planetary reduction gear |
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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: 20160330 Termination date: 20161031 |