CN202971858U - Combined-structure planet carrier - Google Patents
Combined-structure planet carrier Download PDFInfo
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- CN202971858U CN202971858U CN 201220732143 CN201220732143U CN202971858U CN 202971858 U CN202971858 U CN 202971858U CN 201220732143 CN201220732143 CN 201220732143 CN 201220732143 U CN201220732143 U CN 201220732143U CN 202971858 U CN202971858 U CN 202971858U
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- planet
- planet wheel
- shaped
- planet carrier
- axis hole
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Abstract
The utility model discloses a combined-structure planet carrier which comprises a planet carrier seat provided with a spline shaft hole in the center. A front view image of the planet carrier is of an equilateral triangle structure, corner arcs are arranged at all apex corners of the planet carrier, three through planet axle holes are manufactured in the planet carrier seat around the spline shaft hole in an equal-radian mode, the planet axle holes are arranged at the corresponding apex corner positions of the planet carrier seat, planet axles are detachably located and installed in the planet axle holes, cooling lubrication liquid runners are manufactured on the planet axles along the central axes in a through mode, at least one radial lubrication channel communicated with the cooling lubrication liquid runner and the peripheral surface of the planet axle is positioned on each planet axle, the planet axles and the planet carrier seat are fixedly assembled to form a planet carrier structure assembled by various chosen materials. The combined-structure planet carrier is simple in manufacture process, convenient to process, high in production efficiency, prone to volume production, low in machining heat treatment requirements and flexible in material choice and has the lubrication and radiation functions.
Description
Technical field
The utility model relates to mechanical transmissioning technology, especially the planetary carrier of oil hydraulic motor retarder, specifically a kind of planet carrier of composite structure.
Background technique
In prior art, the planet wheel shaft of oil hydraulic motor retarder planet carrier and planet stand are generally overall structure, and integrally-built planet carrier needs mold in the processing process.Moreover due to the planet wheel shaft of planet carrier directly and bearing fit, this just needs planet wheel shaft can carry very large load, so require the surface of planet wheel shaft must have the degree of depth of certain hardness and certain degree of hardness layer.But for integrally-built planet carrier because its requirement to machining and subsequent heat treatment is harsher, thereby manufacturing efficiency is low, and the product yield is difficult to improve, and once any one planet wheel shaft wearing and tearing whole scrapping, virtually increase user cost, lacked commutativity.
Summary of the invention
Technical problem to be solved in the utility model is for above-mentioned prior art present situation, and provides planet stand and planet wheel shaft can carry out the planet carrier of the adaptive a kind of composite structure of multiple choices in selection, processing, heat treatment.This planet carrier technique is simple, easy to manufacture, can realize volume production and have lubricated and heat sinking function.
the utility model solves the problems of the technologies described above the technological scheme that adopts: a kind of planet carrier of composite structure, comprise that the center is shaped with the planet stand of spline axis hole, the front view of planet stand is the equilateral triangle structure, and each drift angle of this planet stand all has the angle of smearing circular arc, the radians such as planet stand pressed on ring lap-ups key axis hole are shaped with three penetrating planet wheel axis holes, each planet wheel axis hole all is positioned at the corresponding drift angle of planet stand place, in the planet wheel axis hole, detachable location and installation has planet wheel shaft, planet wheel shaft connects along central axis and is shaped with the cooling-lubricant runner, and be shaped with the radially lubrication channel that is communicated with at least together cooling-lubricant runner and planet wheel shaft outer surface on this planet wheel shaft, the fixing assembling of planet wheel shaft and planet stand consists of the planet carrier structure that both has various material assembly selection.
For optimizing technique scheme, Adopts measure also comprises:
Above-mentioned planet wheel shaft comprises with the planet wheel axis hole locates the installation shaft part that is connected shaft part and coordinates with the bearing installation that installs cooperation, and intersegmental being formed with the front hole end surface of planet wheel axis hole of shaft part and coupling shaft is installed locates the spacing table top that coordinates, above-mentioned radially lubrication channel is communicated to the outer circumferential face that planet wheel shaft is installed shaft part.
Be shaped with the toroidal cavity with cooling-lubricant runner concentric on the end face of above-mentioned installation shaft part, and install to be shaped with together on the outer surface of shaft part and clamp with circlip the first back-up ring draw-in groove that coordinates.
The shaft axis of three above-mentioned planet wheel axis holes is on same circumference, the back side of planet stand is encircled each planet wheel axis hole and all is shaped with the location cavity, and the back side of planet stand is formed with the little shape boss around the spline axis hole, and the front-end face of planet stand is a plane.
The rear end of above-mentioned planet wheel axis hole is expanded system and is processed with the inclined-plane, location, and correspondingly the connection shaft part rear end of planet wheel shaft is shaped with and locates contour localization and coordinate the location claw that prevents that planet wheel shaft from rotating in a circumferential direction.
The connection shaft part outer circumferential face of above-mentioned planet wheel shaft is shaped with axially extended spline groove, correspondingly is shaped with the spline tooth that matches with this spline groove in the planet wheel axis hole.
The connection shaft part of above-mentioned planet wheel shaft is shaped with tail end, and the diameter of tail end is less than the diameter that connects shaft part, and is shaped with the second back-up ring draw-in groove on this tail end side face, and in the second back-up ring draw-in groove, card is furnished with check ring.
The front-end face of above-mentioned check ring matches with the location, bottom surface of location cavity.
On above-mentioned installation shaft part, axially-aligned is shaped with twice and is communicated to the radially lubrication channel that the shaft part outer surface is installed.
Compared with prior art, planet carrier of the present utility model is by the planet stand of Split type structure and the planet wheel shaft combination is equipped consists of, and Split type structure is not high to the machining heat treatment requirements, and very large flexibility is also arranged in selection in addition.Thereby up-to-standard rate is high in batch production, and manufacturing efficiency is high, easily realizes volume production.Also increase simultaneously the lubrication channel that lubricated and thermolysis have been arranged on the planet wheel shaft of Split type structure, further improved working life of the present utility model.Advantage of the present utility model and beneficial effect are:
1, Split type structure is without die sinking, the simple and low cost of manufacture of technique.
2, machining and heat treatment are more flexible, and surface quality is easy to hold.
3, batch production efficient is high, has reduced reject rate.
Description of drawings
Fig. 1 is the utility model embodiment's Facad structure schematic diagram;
Fig. 2 is one of combination assumption diagram of the utility model embodiment;
Fig. 3 be the utility model embodiment combination assumption diagram two;
Fig. 4 is the sectional structure chart of planet stand in Fig. 2;
Fig. 5 is the sectional structure chart of planet stand in Fig. 3;
Fig. 6 is the structural representation of planet wheel shaft in Fig. 2;
Fig. 7 is the structural representation of planet wheel shaft in Fig. 3.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 to 7 is structural representation of the present utility model.
reference character wherein is: check ring A, circumference L, planet stand 1, spline axis hole 1a, planet wheel axis hole 1b, location inclined-plane 1c, smear angle circular arc 11, location cavity 12, bottom surface 121, little shape boss 13, spline tooth 14, planet wheel shaft 2, cooling-lubricant runner 2a, lubrication channel 2b radially, shaft part 21 is installed, end face 21a, toroidal cavity 211, the first back-up ring draw-in groove 212, connect shaft part 22, spline groove 22a, location claw 221, spacing table top 23, tail end 24, the second back-up ring draw-in groove 241.
as extremely shown in Figure 7 in Fig. 1, the planet carrier of a kind of composite structure of the present utility model, comprise that the center is shaped with the planet stand 1 of spline axis hole 1a, wherein: the front view of planet stand 1 is the equilateral triangle structure, and each drift angle of this planet stand 1 all has the angle of smearing circular arc 11, the radians such as planet stand 1 pressed on ring lap-ups key axis hole 1a are shaped with three penetrating planet wheel axis hole 1b, each planet wheel axis hole 1b all is positioned at planet stand 1 corresponding drift angle place, in planet wheel axis hole 1b, detachable location and installation has planet wheel shaft 2, planet wheel shaft 2 connects along central axis and is shaped with cooling-lubricant runner 2a, and be shaped with the radially lubrication channel 2b that is communicated with at least together cooling-lubricant runner 2a and planet wheel shaft 2 outer surfaces on this planet wheel shaft 2, planet wheel shaft 2 and the fixing assembling of planet stand 1 consist of the planet carrier structure that both has various material assembly selection.The utility model is a kind of planet carrier that is applied on the oil hydraulic motor retarder, planet stand 1 and the planet wheel shaft 2 of such planet carrier in conventional art are integrated part, the planet carrier of integral piece is cast by die sinking and is formed, its production technology is that follow-up machining and heat treatment has brought a lot of difficulties, therefore manufacture cost is high, and manufacturing efficiency is low.The utility model is both constituted by planet stand 1 and planet wheel shaft 2, planet stand 1 and planet wheel shaft 2 just have very large flexibility on material is selected like this, planet wheel shaft 2 can select separately steel part or copper alloy made to form, also can select the heat treatment method different from planet stand 1, thereby hardness and the rigidity layer on planet wheel shaft 2 surfaces can be guaranteed well.Simultaneously planet wheel shaft 2 of the present utility model be shaped with respectively the cooling-lubricant runner 2a that is connected and radially lubrication channel 2b efficiently solve planet wheel shaft 2 surface radiatings and lubrication problem, thereby working life of also greatly having improved this product.Because the planet carrier of Split type structure is not high to the machining heat treatment requirements, the flexible selection of planet wheel shaft 2 and heat treatment have improved the up-to-standard rate in the product batch production and saved the cost of mold, thereby the utility model manufacturing process is simple, and is easy to process, manufacturing efficiency is high, easily realizes volume production.
embodiment one, in embodiment as Fig. 1, Fig. 2, Fig. 4 and shown in Figure 6, the planet carrier of a kind of composite structure of the present utility model is made of planet stand 1 and planet wheel shaft 2 assemblings of Split type structure, the front view of planet stand 1 is with the equilateral triangle structure of smearing angle circular arc 11, the center of planet stand 1 is shaped with the spline axis hole 1a equipped with the spline output shaft, the radians such as planet stand 1 pressed on ring lap-ups key axis hole 1a are shaped with three penetrating planet wheel axis hole 1b, the shaft axis of three planet wheel axis hole 1b on same circumference L and each planet wheel axis hole 1b all be positioned at planet stand 1 corresponding drift angle place.The back side of planet stand 1 is encircled each planet wheel axis hole 1b and all is shaped with location cavity 12, and the back side of planet stand 1 is formed with the little shape boss 13 around spline axis hole 1a, and the front-end face of planet stand 1 is a plane.Planet wheel shaft 2 comprises with planet wheel axis hole 1b location and installs being connected shaft part 22 and with bearing, the installation shaft part 21 that coordinates being installed of cooperation, and shaft part 21 is installed and is connected 22 of shaft parts and is formed with the front hole end surface of planet wheel axis hole 1b and locates the spacing table top 23 that coordinates.Planet wheel shaft 2 connects along central axis and is shaped with cooling-lubricant runner 2a, and on the installation shaft part 21 of planet wheel shaft 2, axially-aligned is shaped with twice and is communicated to the radially lubrication channel 2b that shaft part 21 outer surfaces are installed from cooling-lubricant runner 2a.Can find out from Fig. 2 and Fig. 6, the toroidal cavity 211 that is shaped with on the end face 21a of shaft part 21 with cooling-lubricant runner 2a concentric is installed, and install to be shaped with together on the outer surface of shaft part 21 and clamp with circlip the first back-up ring draw-in groove 212 that coordinates.
For the assembling speed that improves product is connected the soundness that is connected with planet wheel shaft 2 with the planet stand, in embodiment as shown in Figure 4 the rear end of planet wheel axis hole 1b expand system and be processed with location inclined-plane 1c, correspondingly connection shaft part 22 rear ends of planet wheel shaft 2 are shaped with and locate inclined-plane 1c location and coordinate the location claw 221 that prevents that planet wheel shaft 2 from rotating in a circumferential direction and coming off.
Embodiment two, in embodiment as Fig. 3, Fig. 5 and shown in Figure 7, the planet carrier of a kind of composite structure of the present utility model is made of with planet wheel shaft 2 assemblings the planet stand 1 of Split type structure, planet wheel shaft 2 is fixedly mounted on the planet wheel axis hole 1b that planet stand 1 is shaped with.Planet wheel shaft 2 comprises with planet wheel axis hole 1b location and installs being connected shaft part 22 and with bearing, the installation shaft part 21 that coordinates being installed of cooperation, and shaft part 21 is installed and is connected 22 of shaft parts and is formed with the front hole end surface of planet wheel axis hole 1b and locates the spacing table top 23 that coordinates.As Fig. 7 and shown in Figure 5, the outer circumferential face that connects shaft part 22 is shaped with axially extended spline groove 22a, correspondingly is shaped with the spline tooth 14 that matches with this spline groove 22a in planet wheel axis hole 1b.Planet wheel shaft 2 can guarantee the positioning action of planet wheel shaft 2 better by the cooperation of spline groove 22a and spline tooth 14, and the connection shaft part 22 of planet wheel shaft 2 is shaped with tail end 24, the diameter of tail end 24 is less than the diameter that connects shaft part 22, be shaped with the second back-up ring draw-in groove 241, the second interior cards of back-up ring draw-in groove 241 on these tail end 24 side faces and be furnished with check ring A.The interaction energy of check ring A prevents planet wheel shaft 2 axial motions.As can be seen from Figure 1, be shaped with three planet wheel axis hole 1b on planet stand 1 of the present utility model, each planet wheel axis hole 1b all is fitted with planet wheel shaft 2, in order to improve the working life of planet wheel shaft 2, planet wheel shaft 2 connects along central axis and is shaped with cooling-lubricant runner 2a, and on the installation shaft part 21 of planet wheel shaft 2, axially-aligned is shaped with twice and is communicated to the radially lubrication channel 2b that shaft part 21 outer surfaces are installed from cooling-lubricant runner 2a.The center of planet stand 1 of the present utility model is shaped with the spline axis hole 1a equipped with the spline output shaft, and three radians such as planet wheel axis hole 1b are looped around the surrounding of spline axis hole 1a, and the shaft axis of three planet wheel axis hole 1b is on same circumference L.The back side of planet stand 1 is encircled each planet wheel axis hole 1b and all is shaped with location cavity 12, and the back side of planet stand 1 is formed with the little shape boss 13 around spline axis hole 1a, and the front-end face of planet stand 1 is a plane.Check ring A just in time is arranged in location cavity 12, and the front-end face of check ring A matches with 121 location, bottom surface of location cavity 12.Other is all identical except the structure difference of the structure of the connection shaft part 22 of planet wheel shaft 2 and planet wheel axis hole 1b for the present embodiment.
The utility model discloses the planet carrier of two kinds of Split assembled structures, wherein, embodiment one has represented the advantage of Split type structure well, is one of effective method from producing simultaneously.Embodiment two compares the machining relative complex with embodiment one, but mounting or dismounting also are more prone to.Both are relative, and prior art is with the obvious advantage, and manufacturing efficiency is high, easily realizes volume production and has lubricating function, is suitable for all kinds of reducing gears and installs and uses.
Claims (9)
1. the planet carrier of a composite structure, comprise that the center is shaped with the planet stand (1) of spline axis hole (1a), it is characterized in that: the front view of described planet stand (1) is the equilateral triangle structure, and each drift angle of this planet stand (1) all has the angle of smearing circular arc (11), the radians such as described planet stand (1) pressed on ring lap-ups key axis hole (1a) are shaped with three penetrating planet wheel axis holes (1b), each described planet wheel axis hole (1b) all is positioned at the corresponding drift angle of planet stand (1) place, in described planet wheel axis hole (1b), detachable location and installation has planet wheel shaft (2), described planet wheel shaft (2) connects along central axis and is shaped with cooling-lubricant runner (2a), and be shaped with the radially lubrication channel (2b) that is communicated with at least together cooling-lubricant runner (2a) and planet wheel shaft (2) outer surface on this planet wheel shaft (2), the fixing assembling of described planet wheel shaft (2) and planet stand (1) consists of the planet carrier structure that both has various material assembly selection.
2. the planet carrier of a kind of composite structure according to claim 1, it is characterized in that: described planet wheel shaft (2) comprises with planet wheel axis hole (1b) locates the installation shaft part (21) that is connected shaft part (22) and coordinates with the bearing installation that installs cooperation, and described installation shaft part (21) locates with being connected to be formed with between shaft part (22) with the front hole end surface of planet wheel axis hole (1b) the spacing table top (23) that coordinates, described radially lubrication channel (2b) is communicated to the outer circumferential face that planet wheel shaft (2) is installed shaft part (21).
3. the planet carrier of a kind of composite structure according to claim 2, it is characterized in that: be shaped with the toroidal cavity (211) with cooling-lubricant runner (2a) concentric on the end face (21a) of described installation shaft part (21), and install to be shaped with together on the outer surface of shaft part (21) and clamp with circlip the first back-up ring draw-in groove (212) that coordinates.
4. the planet carrier of a kind of composite structure according to claim 3, it is characterized in that: the shaft axis of described three planet wheel axis holes (1b) is on same circumference (L), the back side of described planet stand (1) is encircled each planet wheel axis hole (1b) and all is shaped with location cavity (12), and the back side of planet stand (1) is formed with the little shape boss (13) around spline axis hole (1a), and the front-end face of planet stand (1) is a plane.
5. the planet carrier of a kind of composite structure according to claim 4, it is characterized in that: the rear end of described planet wheel axis hole (1b) is expanded system and is processed with inclined-plane (1c), location, and correspondingly connection shaft part (22) rear end of described planet wheel shaft (2) is shaped with and locates location, inclined-plane (1c) and coordinate the location claw (221) that prevents that planet wheel shaft (2) from rotating in a circumferential direction.
6. the planet carrier of a kind of composite structure according to claim 4, it is characterized in that: connection shaft part (22) outer circumferential face of described planet wheel shaft (2) is shaped with axially extended spline groove (22a), correspondingly is shaped with the spline tooth (14) that matches with this spline groove (22a) in described planet wheel axis hole (1b).
7. the planet carrier of a kind of composite structure according to claim 6, it is characterized in that: the connection shaft part (22) of described planet wheel shaft (2) is shaped with tail end (24), the diameter of described tail end (24) is less than the diameter that connects shaft part (22), and be shaped with the second back-up ring draw-in groove (241) on this tail end (24) side face, in described the second back-up ring draw-in groove (241), card is furnished with check ring (A).
8. the planet carrier of a kind of composite structure according to claim 7 is characterized in that: the front-end face of described check ring (A) matches with the location, bottom surface (121) of location cavity (12).
9. the planet carrier of according to claim 5 or 8 described a kind of composite structures is characterized in that: the upper axially-aligned of described installation shaft part (21) is shaped with twice and is communicated to the radially lubrication channel (2b) that shaft part (21) outer surface is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220732143 CN202971858U (en) | 2012-12-27 | 2012-12-27 | Combined-structure planet carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220732143 CN202971858U (en) | 2012-12-27 | 2012-12-27 | Combined-structure planet carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202971858U true CN202971858U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220732143 Expired - Lifetime CN202971858U (en) | 2012-12-27 | 2012-12-27 | Combined-structure planet carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202971858U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996781A (en) * | 2012-12-27 | 2013-03-27 | 宁波广天赛克思液压有限公司 | Planet carrier with combination structure |
| GB2523128B (en) * | 2014-02-13 | 2018-12-26 | Auger Torque Europe Ltd | Improvements in or relating to a secondary drive unit |
-
2012
- 2012-12-27 CN CN 201220732143 patent/CN202971858U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996781A (en) * | 2012-12-27 | 2013-03-27 | 宁波广天赛克思液压有限公司 | Planet carrier with combination structure |
| GB2523128B (en) * | 2014-02-13 | 2018-12-26 | Auger Torque Europe Ltd | Improvements in or relating to a secondary drive unit |
| US10295020B2 (en) | 2014-02-13 | 2019-05-21 | Auger Torque Europe Limited | Relating to a secondary drive unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Jiangbei District, Zhejiang city of Ningbo Province China 315021 Street No. 195 Patentee after: SKS HYDRAULIC TECHNOLOGY CO.,LTD. Address before: Jiangbei District, Zhejiang city of Ningbo Province China 315021 Street No. 195 Patentee before: NINGBO WIDE SKY SKS HYDRAULIC Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |
|
| CX01 | Expiry of patent term |