CN204739199U - Can bear herringbone tooth wheel set of additional axial force - Google Patents
Can bear herringbone tooth wheel set of additional axial force Download PDFInfo
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- CN204739199U CN204739199U CN201520413631.6U CN201520413631U CN204739199U CN 204739199 U CN204739199 U CN 204739199U CN 201520413631 U CN201520413631 U CN 201520413631U CN 204739199 U CN204739199 U CN 204739199U
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- passive
- herringbone gear
- gear shaft
- herringbone
- hollow
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Abstract
The utility model relates to a can bear herringbone tooth wheel set of additional axial force, including initiative herringbone bear and passive herringbone tooth shaft, its characterized in that: passive herringbone tooth shaft be passive hollow herringbone tooth shaft, passive hollow herringbone tooth shaft passes through the bearing to be supported in the box, its output stretches out the box, the terminal surface of output is furnished with the output axle sleeve, the other end is arranged in the box, be furnished with slender axles in the passive hollow herringbone tooth shaft, the centre bore of passive hollow herringbone tooth shaft and the gland in close contact with of centre bore front end are inserted to the one end of slender axles, and the other end still exposes outside passive hollow herringbone tooth shaft, the slender axles tip by 4 angular contact ball bearing axial fixity on the bearing frame of box, the end of passive hollow herringbone tooth shaft centre bore is equipped with one section internal spline section, and the corresponding position of slender axles is equipped with the external splines section of one section matching, and they are connected through the inside and outside spline segment that corresponds.
Description
Technical field
The utility model relates to a kind of herringbone tooth wheel set and application thereof, especially a kind ofly bears the herringbone tooth wheel set of additional axial force and the application in gear-box thereof, belongs to mechanical field.
Background technique
Herringbone gear is when transmitting torque, and the axial force that two row gears produce after engagement is contrary to equal and opposite in direction, direction, and both sides gear axial force is cancelled out each other, and therefore passive herringbone gear shaft has the characteristic of self-centering.Owing to bearing axial force, therefore many times the Bearing configuration of passive herringbone gear shaft is all fairly simple.But also exactly due to this characteristic of herringbone gear shaft, while passive herringbone gear automatic centering, the bearing that result also on passive herringbone gear shaft can not bear axial force.But in production practices, load also can produce some additional axial forces, and this additional axial force very easily causes the damage of the bearing on passive herringbone gear shaft, these use during herringbone gear transmission to us and bring a lot of inconvenient factors.How overcoming these additional axial forces to the adverse effect of passive herringbone gear shaft, is the technical problem paid close attention in the industry, at present, to the scheme how solving problems, is not seen in report.
Model utility content
The purpose of this utility model is: the impact being easily subject to additional axial force for passive herringbone gear shaft during current herringbone gear transmission, the herringbone tooth on passive herringbone gear shaft is caused to damage, or the problem that spring bearing damages, provide a kind of and can bear the passive herringbone gear shaft of additional axial force and the application in gear-box thereof.
The purpose of this utility model is achieved in that a kind of herringbone tooth wheel set of bearing additional axial force, comprise initiatively herringbone gear and passive herringbone gear shaft, it is characterized in that: described passive herringbone gear shaft is passive hollow herringbone gear shaft, passive hollow herringbone gear shaft by bearings in casing, its output terminal stretches out casing, the end face of output terminal is furnished with output sleeve, and the other end is arranged in casing; Slender axles are furnished with in passive hollow herringbone gear shaft, the center hole of passive hollow herringbone gear shaft and the gland close contact of center hole front end are inserted in one end of slender axles, the other end still exposes to outside passive hollow herringbone gear shaft, and slender axles end is axially fixed on the bearing support of casing by 4 angular contact ball bearings; The end of the center hole of passive hollow herringbone gear shaft is provided with one section of internal spline section, and the corresponding position of slender axles is provided with the outer spline section of one section of coupling, and they are connected by corresponding interior outer spline section.
In the utility model, herringbone tooth wheel set comprises initiatively herringbone gear and the hollow herringbone gear shaft of array output, containing intermeshing two passive hollow herringbone gear shafts in the hollow herringbone gear shaft of array output, a passive hollow herringbone gear shaft is wherein only had to engage with active herringbone gear shaft.
In the utility model, initiatively herringbone gear is supported in casing by double-row conical bearing, and passive hollow herringbone gear shaft is supported in casing by roller bearing, and the passive herringbone gear shaft output terminal stretching out casing is provided with external splines.
The utility model has the advantage of: adopt hollow herringbone gear shaft owing to exporting herringbone gear shaft, export hollow herringbone gear shaft by bearings in casing, slender axles are connected with the inwall exporting hollow herringbone gear shaft by spline, one end and the gland close contact exporting hollow herringbone gear shaft center hole end of slender axles, the other end stretches out the hollow herringbone gear shaft center hole of output and is axially fixed on the bearing support of casing by 4 angular contact ball bearings, adopt the passive herringbone gear of this structure both can ensure the free floating of self, the additional axial force produced in use can also be delivered to casing by slender axles, passive herringbone gear shaft is avoided to be subject to the interference of additional axial force.Owing to containing intermeshing two hollow herringbone gear shafts of described output in the hollow herringbone gear shaft of array output, only have one to export hollow herringbone gear shaft to engage with input herringbone gear shaft, the pair of output of the hollow herringbone gear shaft of array output can drive the top and bottom rolls of milling train respectively.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model implementation column.
Fig. 2 is a kind of gear box structure schematic diagram that the utility model builds.
Fig. 3 is the end-face structure schematic diagram of the output terminal of Fig. 2.
Fig. 4 is the I partial enlarged drawing of Fig. 2.
In figure: 1, active herringbone gear shaft, 2, passive hollow herringbone gear shaft, 3,4 angular contact ball bearings, 4, slender axles, 5, passive herringbone gear shaft, 6, gland, 7, output sleeve, 8, roller bearing, 9, double-row conical bearing, 10, casing, 11, internal spline section, 12, outer spline section.
Embodiment
Accompanying drawing discloses a kind of embodiment of the present utility model and the concrete structure containing gear-box of the present utility model without limitation, and below in conjunction with accompanying drawing, the utility model will be further described.
As seen from Figure 1: the utility model comprises initiatively herringbone gear 1 and passive herringbone gear shaft, wherein: described passive herringbone gear shaft is passive hollow herringbone gear shaft 2, passive hollow herringbone gear shaft 2 by bearings in casing 10, the output terminal of passive hollow herringbone gear shaft 2 stretches out casing 10, the end face of output terminal is furnished with output sleeve 7, passive hollow herringbone gear shaft 2 center hole front end is furnished with gland 6, and it is spacing that gland 6 is output axle sleeve 7.The other end of passive hollow herringbone gear shaft 2 is arranged in casing 10; Slender axles 4 are furnished with in passive hollow herringbone gear shaft 2, the center hole of passive hollow herringbone gear shaft 2 and gland 6 close contact of center hole front end are inserted in one end of slender axles 4, the other end still exposes to outside passive hollow herringbone gear shaft 2, slender axles 4 end by 4 angular contact ball bearing axles 3 on the bearing support being fixed on casing 10; The end of passive hollow herringbone gear shaft 2 center hole is provided with one section of internal spline, and the corresponding position of slender axles 4 is provided with the external splines of one section of coupling, and they are by corresponding inside and outside spline joint.
Another kind of mode of execution of the present utility model is: herringbone tooth wheel set can also comprise initiatively herringbone gear 1 and the hollow herringbone gear shaft of array output, containing intermeshing two passive hollow herringbone gear shafts 2 in the hollow herringbone gear shaft of array output, a passive hollow herringbone gear shaft 2 is wherein only had to engage with active herringbone gear shaft 1.
In the specific implementation: initiatively herringbone gear 1 can be supported in casing 10 by double-row conical bearing 9, passive hollow herringbone gear shaft 2 is supported in casing 10 by roller bearing 8, and passive herringbone gear shaft 2 output terminal stretching out casing 10 can be provided with external splines.
Fig. 2-Fig. 4 discloses the application of the utility model in gear-box, as seen from the figure, initiatively herringbone gear 1 is the actuation gear in gear-box on input shaft, passive herringbone gear shaft 2 is output shaft, input shaft is supported in casing 10 by double-row conical bearing 9, output shaft is by being supported in casing 10 by roller bearing 8, and the herringbone gear on input shaft and output shaft engages each other and forms herringbone tooth wheel set.
In the present embodiment, described combined gear pair comprises initiatively herringbone gear 1 and two hollow herringbone gear shafts of array output, and initiatively herringbone gear 1 engages with the passive hollow herringbone gear shaft 2 of in two hollow herringbone gear shafts of array output simultaneously.Described active herringbone gear 1 is the actuation gear on milling train gearbox input shaft, and the output terminal of a pair passive hollow herringbone gear shaft 2 of the hollow herringbone gear shaft of array output drives two groups of top and bottom rolls of milling train respectively by the external splines of end.
During concrete enforcement, herringbone tooth wheel set also comprises initiatively herringbone gear and one group of hollow herringbone gear shaft of array output, containing intermeshing two passive hollow herringbone gear shafts 2 in the hollow herringbone gear shaft of array output, only have a passive hollow herringbone gear shaft 2 to engage with initiatively herringbone gear shaft 1, the output terminal of a pair passive hollow herringbone gear shaft 2 of the hollow herringbone gear shaft of array output drives one group of group top and bottom rolls of milling train respectively by the external splines of end.
Claims (3)
1. one kind can be born the herringbone tooth wheel set of additional axial force, comprise initiatively herringbone gear and passive herringbone gear shaft, it is characterized in that: described passive herringbone gear shaft is passive hollow herringbone gear shaft, passive hollow herringbone gear shaft by bearings in casing, its output terminal stretches out casing, the end face of output terminal is furnished with output sleeve, and the other end is arranged in casing; Slender axles are furnished with in passive hollow herringbone gear shaft, the center hole of passive hollow herringbone gear shaft and the gland close contact of center hole front end are inserted in one end of slender axles, the other end still exposes to outside passive hollow herringbone gear shaft, and slender axles end is axially fixed on the bearing support of casing by 4 angular contact ball bearings; The end of passive hollow herringbone gear shaft center hole is provided with one section of internal spline section, and the corresponding position of slender axles is provided with the outer spline section of one section of coupling, and they are connected by corresponding interior outer spline section.
2. can bear the herringbone tooth wheel set of additional axial force according to claim 1, it is characterized in that, herringbone tooth wheel set comprises initiatively herringbone gear and the hollow herringbone gear shaft of array output, containing intermeshing two passive hollow herringbone gear shafts in the hollow herringbone gear shaft of array output, a passive hollow herringbone gear shaft is wherein only had to engage with active herringbone gear shaft.
3. the herringbone tooth wheel set of additional axial force can be born according to claim 1 or 2, it is characterized in that, initiatively herringbone gear is supported in casing by double-row conical bearing, passive hollow herringbone gear shaft is supported in casing by roller bearing, and the passive herringbone gear shaft output terminal stretching out casing is provided with external splines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520413631.6U CN204739199U (en) | 2015-06-16 | 2015-06-16 | Can bear herringbone tooth wheel set of additional axial force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520413631.6U CN204739199U (en) | 2015-06-16 | 2015-06-16 | Can bear herringbone tooth wheel set of additional axial force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204739199U true CN204739199U (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520413631.6U Active CN204739199U (en) | 2015-06-16 | 2015-06-16 | Can bear herringbone tooth wheel set of additional axial force |
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| Country | Link |
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| CN (1) | CN204739199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913029A (en) * | 2015-06-16 | 2015-09-16 | 南京高精齿轮集团有限公司 | Herringbone gear pair capable of bearing additional axial force and application of herringbone gear pair to gear box |
-
2015
- 2015-06-16 CN CN201520413631.6U patent/CN204739199U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913029A (en) * | 2015-06-16 | 2015-09-16 | 南京高精齿轮集团有限公司 | Herringbone gear pair capable of bearing additional axial force and application of herringbone gear pair to gear box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191015 Address after: 211103 No. 79 Jianheng Road, Jiangning District, Nanjing City, Jiangsu Province Co-patentee after: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd. Patentee after: Nanjing High Precision Gear Group Co., Ltd. Address before: Yuhuatai District of Nanjing City, Jiangsu province 210012 outside the Chinese small especially Jia Ao No. 3 Patentee before: Nanjing High Precision Gear Group Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200515 Address after: 211103 No. 79 Jianheng Road, Jiangning District, Nanjing City, Jiangsu Province Patentee after: NANJING HIGH-SPEED & ACCURATE GEAR GROUP Co.,Ltd. Address before: 211103 No. 79 Jianheng Road, Jiangning District, Nanjing City, Jiangsu Province Co-patentee before: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd. Patentee before: NANJING HIGH-SPEED & ACCURATE GEAR GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right |