CN203488639U - Flexible pin shaft and planetary gear uniform load device - Google Patents
Flexible pin shaft and planetary gear uniform load device Download PDFInfo
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- CN203488639U CN203488639U CN201320555920.0U CN201320555920U CN203488639U CN 203488639 U CN203488639 U CN 203488639U CN 201320555920 U CN201320555920 U CN 201320555920U CN 203488639 U CN203488639 U CN 203488639U
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- circular groove
- pin shaft
- flexible pin
- planetary gear
- squirrel
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Abstract
The utility model provides a flexible pin shaft. The flexible pin shaft comprises a body, a first annular groove and a second annular groove, a mounting portion is formed in the axial middle of the body, the first annular groove is axially located on one side of the mounting portion and formed on the body, and the second annular groove is axially located on the other side of the mounting portion and formed on the body. By means of the first annular groove and the second annular groove formed on two sides of the mounting portion on the body, a planetary gear train transmission device is deformed at positions of the first annular groove and the second annular groove through the flexible pin shaft during usage, the deformation of a squirrel-cage planet carrier can be compensated, so that large bending or tilting of the mounting portion can not occur, a planetary gear is prevented from meshing unbalance loading, and finally, load distribution of the planetary gear can be improved. The utility model further provides a planetary gear uniform load device which can effectively improve the load distribution of the planetary gear.
Description
Technical field
The utility model relates to a kind of flexible pin shaft and planetary pinion load-balancing device, relates in particular to a kind of flexible pin shaft using in planetary gear train drive device and planetary pinion load-balancing device, belongs to gear transmission technology field.
Background technique
Many weeks, in gear transmission technology field, because planetary gear train drive device has, transmission velocity ratio is large, volume is little, bearing capacity high, is therefore widely applied in life and industrial production.
Planetary gear train drive device is normally arranged on a plurality of planetary pinions on squirrel-cage planet carrier.Planetary gear train drive device is in when work, and planetary load distribution is mainly to control by the gap of manufacturing tolerances and component, thus realize all planetary pinions contact points place stressed evenly.
But because planetary gear train drive device is when reality is used, the distortion that can twist of its squirrel-cage planet carrier, thereby make a plurality of planetary pinions at contact points place unbalance stress, and then make planetary pinion that engagement unbalance loading phenomenon occur, and finally cause indivedual planet wheels that the situation that planetary gear lost efficacy occurs because load is excessive.
Model utility content
For above-mentioned deficiency of the prior art, the purpose of this utility model is to provide a kind of flexible pin shaft, and it can effectively improve planetary load and distribute.
The purpose of this utility model is also to provide a kind of planetary pinion load-balancing device, and it can effectively improve planetary load and distribute.
A kind of flexible pin shaft that the utility model provides, comprising:
Body, described body middle part is vertically formed with assembly department;
Be positioned at vertically a side of described assembly department and be formed at the first circular groove on described body;
And be positioned at vertically the opposite side of described assembly department and be formed at the second circular groove on described body.
Optionally, described the first circular groove is unequal with the distance that described the second circular groove arrives between described body center line vertically to the distance between described body center line vertically.
Optionally, described the first circular groove width is vertically greater than or less than described the second circular groove width vertically.
Optionally, described the first circular groove width is vertically greater than or less than described the second circular groove width vertically.
Optionally, described body is formed with the first joint in the one end near described the first circular groove vertically;
Described body is formed with the second joint in the one end near described the second circular groove vertically.
Optionally, described the first joint and described the second joint are all formed with the tapped hole for being connected and fixed with squirrel-cage planet carrier.
A kind of planetary pinion load-balancing device that the utility model provides, comprises squirrel-cage planet carrier, the sun gear and the planetary pinion that are connected with described squirrel-cage planet carrier, and ring gear;
Described planetary pinion is arranged on described squirrel-cage planet carrier by the flexible pin shaft described in above-mentioned any one.
Optionally, described planetary pinion is connected with described flexible pin shaft by least two planetary gear bearings.
Optionally, a plurality of described planetary gear bearing is arranged side by side vertically on described assembly department.
Compared with prior art, the flexible pin shaft that the utility model provides, its both sides by the assembly department on body form the first circular groove and the second circular groove.Make planetary gear train drive device in use, by flexible pin shaft, at the first circular groove and the second circular groove place, deform, in order to compensate the amount of deformation of squirrel-cage planet carrier, thereby guarantee that larger crooked or inclination can not occur assembly department, and then avoid planetary pinion that engagement unbalance loading occurs, finally improve planetary load and distribute.
In further technological scheme, by the mal-distribution on body center line vertically by the first circular groove and the second circular groove, thereby guarantee that the first circular groove and the second circular groove meet the compensation of the squirrel-cage planet carrier deformation that two ends occur vertically separately, and then further guarantee that larger crooked or inclination can not occur assembly department.
In further technological scheme, unequal by the width of the first circular groove and the width of the second circular groove, thereby further guarantee that the first circular groove and the second circular groove meet the compensation of the squirrel-cage planet carrier deformation that two ends occur vertically separately, and then further guarantee that larger crooked or inclination can not occur assembly department.
In further technological scheme, unequal by the degree of depth of the first circular groove and the degree of depth of the second circular groove, thereby further guarantee that the first circular groove and the second circular groove meet the compensation of the squirrel-cage planet carrier deformation that two ends occur vertically separately, and then further guarantee that larger crooked or inclination can not occur assembly department.
In further technological scheme, by the first joint and the second joint forming on body, be connected and fixed with squirrel-cage planet carrier, thus the stability of the installation of assurance flexible pin shaft.
In further technological scheme, flexible pin shaft and squirrel-cage planet carrier bolt are fixed, and are convenient to install.
Compared with prior art, the planetary pinion load-balancing device that the utility model provides, it is arranged on planetary pinion on planetary gear train drive device by flexible pin shaft, and forms the first circular groove and the second circular groove by the both sides of the assembly department on body.Make planetary gear train drive device in use, by flexible pin shaft, at the first circular groove and the second circular groove place, deform, in order to compensate the amount of deformation of squirrel-cage planet carrier, thereby guarantee that larger crooked or inclination can not occur assembly department, and then avoid planetary pinion that engagement unbalance loading occurs, finally improve planetary load and distribute.
In further technological scheme, flexible shaft is to being connected with planetary pinion by a plurality of planetary gear bearings, thereby guarantee the stability of the mounting structure of planetary pinion on assembly department, utilize a plurality of planet pins to honour assembly department and further play position-limiting action, thereby guarantee that larger crooked or inclination can not occur assembly department, and then avoid planetary pinion that engagement unbalance loading occurs, finally improve planetary load and distribute.
Above-mentioned technical characteristics can various applicable modes combine or be substituted by equivalent technical characteristics, as long as can reach the purpose of this utility model.
Accompanying drawing explanation
Hereinafter by based on only for the embodiment of indefiniteness and with reference to accompanying drawing, the utility model being described in more detail.Wherein:
The structural representation of the flexible pin shaft that Fig. 1 provides for the utility model embodiment one;
The structural representation of the planetary pinion load-balancing device that Fig. 2 provides for the utility model embodiment two.
Accompanying drawing explanation:
1-body;
11-assembly department, 12-the first circular groove, 13-the second circular groove, 14-the first joint, 15-the second joint;
2-squirrel-cage planet carrier; 3-sun gear; 4-planetary pinion; 5-planetary gear bearing; 6-ring gear.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearer; to the technical solution of the utility model be carried out to clear, complete description below; embodiment based in the utility model; those of ordinary skills are resulting all other mode of executions under the prerequisite of not making creative work, all belong to the scope that the utility model is protected.
Embodiment one:
As shown in Figure 1, the flexible pin shaft providing in the present embodiment, comprising: body 1, and body 1 middle part is vertically formed with assembly department 11; Be positioned at vertically a side of assembly department 11 and be formed at the first circular groove 12 on body 1; And be positioned at vertically the opposite side of assembly department 11 and be formed at the second circular groove 13 on body 1.
During use, planetary pinion is arranged on squirrel-cage planet carrier by flexible pin shaft and is assembled into a complete planetary gear train drive device.When this planetary gear train drive device is normally worked, along with the distortion that twists of squirrel-cage planet carrier, flexible pin shaft is subject to load simultaneously.And the first circular groove 12 that flexible pin shaft arranges with it by oneself and the second circular groove 13 are for himself providing amount of deformation, thereby utilize the amount of deformation in the first circular groove 12 and the second circular groove 13 places generation to compensate the amount of deformation that squirrel-cage planet carrier twists, and then translation only occurs in the position of 11 places of the assembly department on assurance flexible pin shaft when not being subject to load, and can not occur larger crooked or tilt.And finally guaranteed all to obtain and contact preferably between planetary pinion and ring gear and sun gear, and then avoided planetary pinion to occur to mesh unbalance loading, effectively improved planetary load distribution.
In the present embodiment, the first circular groove 12 is unequal to the distance between body 1 center line vertically to the distance between body 1 center line vertically and the second circular groove 13.It is by the first circular groove 12 and the mal-distribution of the second circular groove 13 on body 1 center line vertically, thereby guarantee that the first circular groove 12 and the second circular groove 13 meet the compensation of the squirrel-cage planet carrier deformation that two ends occur vertically separately, make the amount of deformation of the first circular groove 12 and the second circular groove 13 more accurate, and then further guarantee that larger crooked or inclination can not occur assembly department 11.
In the present embodiment, the first circular groove 12 width is vertically greater than or less than the second circular groove 13 width vertically.It is unequal by the width of the first circular groove 12 and the width of the second circular groove 13, thereby further guarantee that the first circular groove 12 and the second circular groove 13 meet the compensation of the squirrel-cage planet carrier deformation that two ends occur vertically separately, make the amount of deformation of the first circular groove 12 and the second circular groove 13 more accurate, and then further guarantee that larger crooked or inclination can not occur assembly department 11.
In the present embodiment, the first circular groove 12 width is vertically greater than or less than the second circular groove 13 width vertically.It is unequal by the degree of depth of the first circular groove 12 and the degree of depth of the second circular groove 13, thereby further guarantee that the first circular groove 12 and the second circular groove 13 meet the compensation of the squirrel-cage planet carrier deformation that two ends occur vertically separately, make the amount of deformation of the first circular groove 12 and the second circular groove 13 more accurate, and then further guarantee that larger crooked or inclination can not occur assembly department 11.
Wherein, the first circular groove 12 all needs to draw by accepting analytical calculation to the distance between body 1 center line vertically, the first circular groove 12 width and the first circular groove 12 degree of depth radially vertically, thereby when guaranteeing to meet the amount of deformation of compensation squirrel-cage planet carrier, guarantee that assembly department 11 larger bending can not occur or tilts.The second circular groove 13 is same as described above to drawing of width vertically of the distance between body 1 center line vertically, the second circular groove 13 and the second circular groove 13 degree of depth radially, does not repeat them here.
In the present embodiment, at body 1, in the one end near the first circular groove 12, be formed with the first joint 14 vertically; At body 1, in the one end near the second circular groove 13, be formed with the second joint 15 vertically.
During use, the two ends of flexible pin shaft are connected and fixed with squirrel-cage planet carrier by the first joint 14 and the second joint 15 respectively, thereby have guaranteed the stability of the installation of flexible pin shaft.
In the present embodiment, the first joint 14 and the second joint 15 are all formed with the tapped hole for being connected and fixed with squirrel-cage planet carrier.The first joint 14 on flexible pin shaft and the second joint 15 are all fixed with squirrel-cage planet carrier bolt, are more convenient to install and use.
Embodiment two:
As shown in Figure 2, a kind of planetary pinion load-balancing device that the present embodiment provides, comprises squirrel-cage planet carrier 2, the sun gear 3 being connected with squirrel-cage planet carrier 2 and planetary pinion 4, and ring gear 6; Planetary pinion 4 is arranged on squirrel-cage planet carrier 2 by the flexible pin shaft in above-described embodiment one.
During use, this planetary pinion load-balancing device is when normal work, and along with squirrel-cage planet carrier 2 distortion that twists, while flexible pin shaft is subject to load.And the first circular groove 12 that flexible pin shaft arranges with it by oneself and the second circular groove 13 are for himself providing amount of deformation, thereby utilize the amount of deformation in the first circular groove 12 and the second circular groove 13 places generation to compensate the amount of deformation that squirrel-cage planet carrier 2 twists, and then translation only occurs in the position of 11 places of the assembly department on assurance flexible pin shaft when not being subject to load, and can not occur larger crooked or tilt.And finally guaranteed all to obtain and contact preferably between planetary pinion 4 and ring gear 6 and sun gear 3, and then avoided planetary pinion 4 to occur to mesh unbalance loadings, effectively improved the load distribution of planetary pinion 4.
In the present embodiment, planetary pinion 4 is connected with flexible pin shaft by least two planetary gear bearings 5.And a plurality of planetary gear bearings 5 are arranged side by side vertically on assembly department 11.
Flexible shaft is to being connected with planetary pinion 4 by a plurality of planetary gear bearings 5, thereby guarantee the stability of the mounting structure of planetary pinion 4 on assembly department 11, utilize 5 pairs of assembly departments 11 of a plurality of planetary gear bearings further to play position-limiting action, thereby guarantee that larger crooked or inclination can not occur assembly department 11, and then avoid planetary pinion 4 that engagement unbalance loading occurs, the load of finally improving planetary pinion 4 distributes.
Finally it should be noted that: above mode of execution and embodiment only, in order to the technical solution of the utility model to be described, are not intended to limit; Although the utility model is had been described in detail with reference to aforementioned embodiments and embodiment, those of ordinary skill in the art is to be understood that: its technological scheme that still can record aforementioned embodiments or embodiment is modified, or part technical characteristics is wherein equal to replacement; And these modifications or replacement do not make essence disengaging the utility model mode of execution of appropriate technical solution or the spirit and scope of embodiment's technological scheme.
Claims (9)
1. a flexible pin shaft, is characterized in that, comprising:
Body, described body middle part is vertically formed with assembly department;
Be positioned at vertically a side of described assembly department and be formed at the first circular groove on described body;
And be positioned at vertically the opposite side of described assembly department and be formed at the second circular groove on described body.
2. flexible pin shaft according to claim 1, is characterized in that, described the first circular groove is unequal to the distance between described body center line vertically to the distance between described body center line vertically and described the second circular groove.
3. flexible pin shaft according to claim 1 and 2, is characterized in that, described the first circular groove width is vertically greater than or less than described the second circular groove width vertically.
4. flexible pin shaft according to claim 1 and 2, is characterized in that, described the first circular groove degree of depth is radially greater than or less than described the second circular groove degree of depth radially.
5. flexible pin shaft according to claim 1 and 2, is characterized in that, described body is formed with the first joint in the one end near described the first circular groove vertically;
Described body is formed with the second joint in the one end near described the second circular groove vertically.
6. flexible pin shaft according to claim 5, is characterized in that, described the first joint and described the second joint are all formed with the tapped hole for being connected and fixed with squirrel-cage planet carrier.
7. a planetary pinion load-balancing device, is characterized in that, comprises squirrel-cage planet carrier, the sun gear and the planetary pinion that are connected with described squirrel-cage planet carrier, and ring gear;
Described planetary pinion is arranged on described squirrel-cage planet carrier by the flexible pin shaft described in any one in the claims 1 to 6.
8. planetary pinion load-balancing device according to claim 7, is characterized in that, described planetary pinion is connected with described flexible pin shaft by least two planetary gear bearings.
9. planetary pinion load-balancing device according to claim 8, is characterized in that, a plurality of described planetary gear bearings are arranged side by side vertically on described assembly department.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320555920.0U CN203488639U (en) | 2013-09-06 | 2013-09-06 | Flexible pin shaft and planetary gear uniform load device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320555920.0U CN203488639U (en) | 2013-09-06 | 2013-09-06 | Flexible pin shaft and planetary gear uniform load device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203488639U true CN203488639U (en) | 2014-03-19 |
Family
ID=50259475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320555920.0U Expired - Lifetime CN203488639U (en) | 2013-09-06 | 2013-09-06 | Flexible pin shaft and planetary gear uniform load device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203488639U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065649A (en) * | 2015-07-15 | 2015-11-18 | 湖南南方宇航高精传动有限公司 | Flexible hinge pin lubrication oil path structure |
| CN108980169A (en) * | 2018-07-25 | 2018-12-11 | 湖南南方宇航高精传动有限公司 | Elastic pin shaft, the component of axle sleeve Novel connection type and preparation method and gear-box |
| CN111094794A (en) * | 2017-09-12 | 2020-05-01 | 赛峰传输系统 | Journal shaft and gear train of plain bearing |
-
2013
- 2013-09-06 CN CN201320555920.0U patent/CN203488639U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065649A (en) * | 2015-07-15 | 2015-11-18 | 湖南南方宇航高精传动有限公司 | Flexible hinge pin lubrication oil path structure |
| CN111094794A (en) * | 2017-09-12 | 2020-05-01 | 赛峰传输系统 | Journal shaft and gear train of plain bearing |
| CN111094794B (en) * | 2017-09-12 | 2023-01-03 | 赛峰传输系统 | Pivot and gear train for plain bearing |
| CN108980169A (en) * | 2018-07-25 | 2018-12-11 | 湖南南方宇航高精传动有限公司 | Elastic pin shaft, the component of axle sleeve Novel connection type and preparation method and gear-box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151028 Address after: Dong Jia Duan high-tech park in Hunan province 412002 Zhuzhou city Lusong District Patentee after: NFAIC HIGH PRECISION TRANSMISSION Co.,Ltd. Address before: Dong Jia Duan high-tech park in Hunan province 412002 Zhuzhou city Lusong District Patentee before: ZHUZHOU GAOJING TRANSMISSION TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140319 |