CN203395150U - Transmission with detachable main gear box and auxiliary gear box - Google Patents
Transmission with detachable main gear box and auxiliary gear box Download PDFInfo
- Publication number
- CN203395150U CN203395150U CN201320368903.6U CN201320368903U CN203395150U CN 203395150 U CN203395150 U CN 203395150U CN 201320368903 U CN201320368903 U CN 201320368903U CN 203395150 U CN203395150 U CN 203395150U
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- China
- Prior art keywords
- gear
- main
- gear box
- axles
- speed changer
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Abstract
The utility model discloses a transmission with detachable main and auxiliary gear boxes. The transmission comprises the main gear box and the auxiliary gear box, wherein the main gear box comprises a main box body and a main box output shaft, the auxiliary gear box comprises an auxiliary box body, a planetary gear train, a gear ring support and a first lock ring synchronizer. According to the utility model, the auxiliary gear box can be integrally dismounted from the main gear box, only the main gear box is used for transmission under the condition that a large output torque is not required, so that an application range is wider; the structure of the auxiliary gear box is modularized and standardized, so that production efficiency of the transmission is improved, and the transmission is convenient for replacement and maintenance; during transmission of the main gear box, a duplicate gear can axially move along an input shaft under the push of the axial force, the gear axially moves to automatically remove a back lash caused by a manufacturing error during engagement so as to be beneficial for reducing engagement noise, and meanwhile, a load balance of shift gears on two intermediate shafts is automatically adjusted, the lock ring synchronizer is matched to the shift gears, so that shift operation is light and is free from abnormal sound.
Description
Technical field
The utility model relates to a kind of speed changer, particularly a kind of speed changer with odd-side.
Background technique
For meeting the needs of large output torque, some speed changers are with auxiliary transmission.Tradition is with the speed changer of odd-side, and its main tank and odd-side are generally the monolithic constructions can not be split, monolithic construction make the assembling of speed changer and maintenance convenient not, and aborning, odd-side can not standardization and modularization, is unfavorable for enhancing productivity.And existing main-gear box is the speed changer of two jack shafts, the floating type mounting structure of the general employing of main tank output shaft of its main-gear box, main tank output shaft rotary vibration is larger, and gear tooth noise is larger, and gear wear is very fast.
Model utility content
The problems such as in view of this, the purpose of this utility model is to provide the detachable speed changer of a kind of major-minor case, and the existing odd-side existing with odd-side speed changer can not be split to solve, speed changer engagement noise is large and gear wear is fast.
The speed changer that the utility model major-minor case is detachable, comprise main-gear box and auxiliary transmission, described main-gear box comprises main box body and main tank output shaft, described auxiliary transmission comprises auxiliary housing, planetary gears, gear ring support and the first lock ring type synchronizer, described main box body is fixedly connected with auxiliary housing detachable, the sun gear fixed cover of described planetary gears is on main tank output shaft, the planet carrier of described planetary gears is arranged on auxiliary housing by bearing, described planet carrier is the output shaft of auxiliary transmission, described gear ring support by bearing fixing sleeve on planet carrier, and engagement in gear ring support and planetary gear ring, the synchronous gear seat fixed cover of described the first lock ring type synchronizer is on gear ring support, and the low-grade synchronous conical hub fixed cover of the first lock ring type synchronizer is on planet carrier.
Further, described main-gear box also comprises the input shaft being arranged on main box body, a middle axle and middle two axles, and described input shaft and main tank output shaft are coaxial, and described centre one axle and middle two axles are arranged in parallel in respectively main tank output shaft both sides;
Described main-gear box also comprises and the input shaft duplicate gear of secure fit in a circumferential direction, and the first gear and dual gear in described duplicate gear are the helical gear that rotation direction is contrary;
On one axle of described centre, be provided with and its first constant mesh gear of secure fit in a circumferential direction, the first gear engagement in the first constant mesh gear and duplicate gear, is also provided with at least one power shift gear on one axle of described centre;
On two axles of described centre, be provided with and its second constant mesh gear of secure fit in a circumferential direction, the dual gear engagement in the second constant mesh gear and duplicate gear, is also provided with at least one power shift gear on two axles of described centre;
Described duplicate gear and input shaft are slidably matched in the axial direction, described the first constant mesh gear and middle axle secure fit and described the second constant mesh gear and middle two axles secure fit in the axial direction in the axial direction, or described duplicate gear and input shaft secure fit, described the first constant mesh gear and a middle axle are slidably matched and described the second constant mesh gear and middle two axles are slidably matched in the axial direction in the axial direction in the axial direction;
On described main tank output shaft, be provided with the second lock ring type synchronizer coordinating with power shift gear on a middle axle and middle two axles.
Further, described duplicate gear and input shaft pass through spline fitted.
Further, described duplicate gear is herringbone gear.
Further, described centre one axle and the power shift gear on it are by spline fitted, and described centre two axles and the power shift gear on it also pass through spline fitted.
Further, described main tank output shaft one end by the first rolling bearing be fixed on main box body, the other end is fixed on the end of input shaft by the second rolling bearing.
Further, the end of described planet carrier is provided with flange.
The beneficial effects of the utility model:
1, the detachable speed changer of the utility model major-minor case, its auxiliary transmission can whole be pulled down from main-gear box, makes like this in large output torque situation, the auxiliary transmission of speed changer to be pulled down not needing, only with main-gear box, carry out transmission, speed changer Applicable scope is wider; The structure of the auxiliary transmission in production process in this speed changer can realize modularization and standardization, can improve the manufacturing efficiency of speed changer, is also convenient to the maintain and replace of speed changer.
2, the detachable speed changer of the utility model major-minor case, odd-side adopts planetary gear reducing mechanism, and velocity ratio is large, and output torque is large.
3, the detachable speed changer of the utility model major-minor case, its main-gear box utilizes duplicate gear and the first constant mesh gear and the engagement of the second constant mesh gear, during engagement, duplicate gear or the first constant mesh gear and the second constant mesh gear can move vertically under the promotion of axial force, gear moves axially the back lash causing because of foozle when automatically eliminating engagement, be conducive to reduce engagement noise, can automatically regulate each power shift gear counterweight balance on two jack shafts simultaneously; Main tank output shaft all adopts lock ring type synchronizer to coordinate with power shift gear, shift gears light, flexible, quick, have no abnormal sound, can first separation put into gear and put in place.
Accompanying drawing explanation
Fig. 1 is the structural representation of the detachable speed changer of the utility model major-minor case.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in the figure, the speed changer that the present embodiment major-minor case is detachable, comprise main-gear box and auxiliary transmission, described main-gear box comprises main box body 1 and main tank output shaft 2, described auxiliary transmission comprises auxiliary housing 3, planetary gears, gear ring support 4 and the first lock ring type synchronizer, described main box body 1 is fixedly connected with auxiliary housing 3 detachables, sun gear 5 fixed covers of described planetary gears are on main tank output shaft 2, the planet carrier 6 of described planetary gears is arranged on auxiliary housing 3 by bearing, the output shaft that described planet carrier 6 is auxiliary transmission, described gear ring support 4 by bearing fixing sleeve on planet carrier 6, and gear ring support 4 and the interior engagement of planetary gear ring 7, synchronous gear seat 8 fixed covers of described the first lock ring type synchronizer are on gear ring support 4, and low-grade synchronous conical hub 9 fixed covers of the first lock ring type synchronizer are on planet carrier 6.In concrete enforcement, synchronous gear seat 8 and gear ring support 4 are by spline fitted, and described low-grade synchronous conical hub 9 and planet carrier 6, also by spline fitted, adopt spline joint easy accessibility and load-carrying properties good.
During the transmission of this speed changer, main tank output shaft 2 arrives sun gear 5 by transmission of power, sun gear 5 by transmission of power to planet wheel, planet wheel is directly passed to planet carrier 6 by a power part, planet wheel by another part transmission of power to gear ring 7, gear ring 7 is given the second lock ring type synchronizer by transmission of power, the second lock ring type synchronizer again by transmission of power to planet carrier, last power is through planet carrier 6 outputs.
In the present embodiment, auxiliary transmission can whole be pulled down from main-gear box, making so is not needing in large output torque situation, auxiliary transmission can be pulled down, only with main-gear box, carry out transmission, speed changer Applicable scope is wider, and in production process, the structure of auxiliary transmission can modularization and standardization, can improve the manufacturing efficiency of speed changer, also be convenient to the maintain and replace of speed changer.
As the improvement to this enforcement, described main-gear box also comprises the input shaft 10 being arranged on main box body 1, a middle axle 11 and middle two axles 12, described input shaft 10 and main tank output shaft 2 are coaxial, and described centre one axle 11 and middle two axles 12 are arranged in parallel in respectively the both sides of main tank output shaft 2;
Described main-gear box also comprises and input shaft 10 duplicate gear 13 of secure fit in a circumferential direction, and the first gear and dual gear in described duplicate gear 13 are the helical gear that rotation direction is contrary;
On one axle 11 of described centre, be provided with and its first gear engagement in the first constant mesh gear 14, the first constant mesh gears 14 and the duplicate gear 13 of secure fit in a circumferential direction, on one axle 11 of described centre, be also provided with at least one power shift gear 15;
On two axles 12 of described centre, be provided with and its dual gear engagement in the second constant mesh gear 16, the second constant mesh gears 16 and the duplicate gear 13 of secure fit in a circumferential direction, on two axles 12 of described centre, be also provided with at least one power shift gear 15;
Described duplicate gear 13 is slidably matched in the axial direction with input shaft 10, described the first constant mesh gear 14 and a middle axle 11 secure fit and described the second constant mesh gear 16 and middle two axles 12 secure fit in the axial direction in the axial direction;
On described main tank output shaft 2, be provided with the second lock ring type synchronizer 17 coordinating with power shift gear 15 on a middle axle 11 and middle two axles 12.
In the present embodiment, the power shift gear 15 on a middle axle 11 and middle two axles 12 is 5, and certainly in different mode of executions, power shift gear quantity can be adjusted according to specific needs.
During the transmission of this speed changer, main-gear box medium power drive path is: power is from input shaft 10 inputs, through the first constant mesh gear 14 and the second constant mesh gear 16, be delivered to a middle axle 11 and middle two axles 12 respectively again, through power shift gear 15, be delivered to the second lock ring type synchronizer 17 respectively again, finally by 2 outputs of main tank output shaft.
The speed changer that the utility model major-minor case is detachable, it utilizes duplicate gear 13 and the first constant mesh gear 14 and the second constant mesh gear 16 engagements, during engagement, duplicate gear 13 can move vertically under the promotion of axial force, gear moves axially the back lash causing because of foozle when automatically eliminating engagement, be conducive to reduce engagement noise, can automatically regulate each power shift gear counterweight balance on two jack shafts simultaneously; And main tank output shaft 2 all adopts lock ring type synchronizers to coordinate with power shift gear 15, shift gears light, flexible, quick, have no abnormal sound, can first separation put into gear and put in place.
Certainly in different mode of executions, employing duplicate gear 13 and input shaft 10 in the axial direction secure fit, described the first constant mesh gear 14 are slidably matched in the axial direction with a middle axle 11 and described the second constant mesh gear 16 and the structural type that middle two axles 12 are slidably matched in the axial direction, also can reach the object of this enforcement.
As the improvement to this enforcement, described duplicate gear 13 and input shaft 10, by spline fitted, adopt spline fitted, and duplicate gear 13 can axially be free to slide along input shaft 10, and are convenient to gear assembling, and gear load-carrying properties are better.。
As the improvement to this enforcement, described duplicate gear 13 is herringbone gear, and gear is monolithic construction, and intensity is good.
As the improvement to this enforcement, described centre one axle 11 passes through spline fitted with the power shift gear 15 on it, and described centre two axles 12 also pass through spline fitted with the power shift gear 15 on it, by spline joint, and gear easy accessibility, and joint bearing strength is good.
As the improvement to this enforcement, described main tank output shaft 2 one end by the first rolling bearing 18 be fixed on main box body 1, the other end is fixed on input shaft 10 end by the second rolling bearing 19, main tank output shaft 2 is upwards all fixedly installed in axial and footpath, main tank output shaft 2 does not float, can reduce the vibration of main tank output shaft in rotary course, reduce engagement noise.
As the improvement to this enforcement, the end of described planet carrier 6 is provided with flange 20, by flange plate 20, can be connected with load easily, makes power output.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (7)
1. the speed changer that major-minor case is detachable, comprise main-gear box and auxiliary transmission, it is characterized in that: described main-gear box comprises main box body and main tank output shaft, described auxiliary transmission comprises auxiliary housing, planetary gears, gear ring support and the first lock ring type synchronizer, described main box body is fixedly connected with auxiliary housing detachable, the sun gear fixed cover of described planetary gears is on main tank output shaft, the planet carrier of described planetary gears is arranged on auxiliary housing by bearing, described planet carrier is the output shaft of auxiliary transmission, described gear ring support by bearing fixing sleeve on planet carrier, and engagement in gear ring support and planetary gear ring, the synchronous gear seat fixed cover of described the first lock ring type synchronizer is on gear ring support, and the low-grade synchronous conical hub fixed cover of the first lock ring type synchronizer is on planet carrier.
2. the detachable speed changer of major-minor case according to claim 1, it is characterized in that: described main-gear box also comprises the input shaft being arranged on main box body, a middle axle and middle two axles, described input shaft and main tank output shaft are coaxial, and described centre one axle and middle two axles are arranged in parallel in respectively main tank output shaft both sides;
Described main-gear box also comprises and the input shaft duplicate gear of secure fit in a circumferential direction, and the first gear and dual gear in described duplicate gear are the helical gear that rotation direction is contrary;
On one axle of described centre, be provided with and its first constant mesh gear of secure fit in a circumferential direction, the first gear engagement in the first constant mesh gear and duplicate gear, is also provided with at least one power shift gear on one axle of described centre;
On two axles of described centre, be provided with and its second constant mesh gear of secure fit in a circumferential direction, the dual gear engagement in the second constant mesh gear and duplicate gear, is also provided with at least one power shift gear on two axles of described centre;
Described duplicate gear and input shaft are slidably matched in the axial direction, described the first constant mesh gear and middle axle secure fit and described the second constant mesh gear and middle two axles secure fit in the axial direction in the axial direction, or described duplicate gear and input shaft secure fit, described the first constant mesh gear and a middle axle are slidably matched and described the second constant mesh gear and middle two axles are slidably matched in the axial direction in the axial direction in the axial direction;
On described main tank output shaft, be provided with the second lock ring type synchronizer coordinating with power shift gear on a middle axle and middle two axles.
3. the detachable speed changer of major-minor case according to claim 2, is characterized in that: described duplicate gear and input shaft pass through spline fitted.
4. the detachable speed changer of major-minor case according to claim 2, is characterized in that: described duplicate gear is herringbone gear.
5. the detachable speed changer of major-minor case according to claim 2, is characterized in that: described centre one axle and the power shift gear on it are by spline fitted, and described centre two axles and the power shift gear on it also pass through spline fitted.
6. the detachable speed changer of major-minor case according to claim 2, is characterized in that: described main tank output shaft one end by the first rolling bearing be fixed on main box body, the other end is fixed on the end of input shaft by the second rolling bearing.
7. according to arbitrary described detachable speed changer of major-minor case in claim 1-6, it is characterized in that: the end of described planet carrier is provided with flange.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320368903.6U CN203395150U (en) | 2013-06-25 | 2013-06-25 | Transmission with detachable main gear box and auxiliary gear box |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320368903.6U CN203395150U (en) | 2013-06-25 | 2013-06-25 | Transmission with detachable main gear box and auxiliary gear box |
Publications (1)
Publication Number | Publication Date |
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CN203395150U true CN203395150U (en) | 2014-01-15 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201320368903.6U Expired - Fee Related CN203395150U (en) | 2013-06-25 | 2013-06-25 | Transmission with detachable main gear box and auxiliary gear box |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104373562A (en) * | 2014-11-24 | 2015-02-25 | 中国地质大学(武汉) | Lubricating planet wheel gearbox secondary box |
CN104500705A (en) * | 2014-11-24 | 2015-04-08 | 中国地质大学(武汉) | Sub-gearbox for planetary gear train of transmission |
WO2016055378A3 (en) * | 2014-10-06 | 2016-08-25 | Sandvik Intellectual Property Ab | Cutting apparatus using a plurality of drive motors |
CN109185434A (en) * | 2018-11-19 | 2019-01-11 | 襄阳市中康汽车配件有限公司 | A kind of gear box casing and gearbox |
CN109964031A (en) * | 2016-11-18 | 2019-07-02 | 卡塞尔大学 | Transmission mechanism for wind energy plant |
-
2013
- 2013-06-25 CN CN201320368903.6U patent/CN203395150U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016055378A3 (en) * | 2014-10-06 | 2016-08-25 | Sandvik Intellectual Property Ab | Cutting apparatus using a plurality of drive motors |
US10683751B2 (en) | 2014-10-06 | 2020-06-16 | Sandvik Intellectual Property Ab | Cutting apparatus |
CN104373562A (en) * | 2014-11-24 | 2015-02-25 | 中国地质大学(武汉) | Lubricating planet wheel gearbox secondary box |
CN104500705A (en) * | 2014-11-24 | 2015-04-08 | 中国地质大学(武汉) | Sub-gearbox for planetary gear train of transmission |
CN109964031A (en) * | 2016-11-18 | 2019-07-02 | 卡塞尔大学 | Transmission mechanism for wind energy plant |
CN109964031B (en) * | 2016-11-18 | 2020-10-30 | 卡塞尔大学 | Drive for a wind turbine |
CN109185434A (en) * | 2018-11-19 | 2019-01-11 | 襄阳市中康汽车配件有限公司 | A kind of gear box casing and gearbox |
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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: 20140115 Termination date: 20160625 |