CN109058388B - Main reducer of drive axle - Google Patents
Main reducer of drive axle Download PDFInfo
- Publication number
- CN109058388B CN109058388B CN201811160585.8A CN201811160585A CN109058388B CN 109058388 B CN109058388 B CN 109058388B CN 201811160585 A CN201811160585 A CN 201811160585A CN 109058388 B CN109058388 B CN 109058388B
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- CN
- China
- Prior art keywords
- main
- teeth
- disc
- auxiliary
- bevel gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000007790 scraping Methods 0.000 claims description 8
- 238000005299 abrasion Methods 0.000 abstract description 11
- 230000002035 prolonged effect Effects 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 65
- 239000010687 lubricating oil Substances 0.000 description 12
- 238000005192 partition Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000012208 gear oil Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H1/222—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with non-parallel axes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
- F16H57/0404—Lubricant filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0493—Gearings with spur or bevel gears
- F16H57/0495—Gearings with spur or bevel gears with fixed gear ratio
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a main speed reducer of a drive axle, which comprises an axle housing, a main bevel gear, main disc teeth, auxiliary disc teeth and auxiliary bevel gears, wherein the main bevel gear is rotatably connected with the axle housing through a bearing, the main bevel gear is provided with a key slot connected with a transmission shaft, the main disc teeth and the auxiliary disc teeth are rotatably connected with the axle housing through a bearing and are opposite in tooth surface, the main bevel gear simultaneously drives the main disc teeth and the auxiliary disc teeth to rotate in opposite directions, and the auxiliary bevel gears are uniformly distributed around the main disc teeth and are rotatably connected with the axle housing through the bearing, and are simultaneously meshed with the main disc teeth and the auxiliary disc teeth. The invention provides a main speed reducer of a drive axle, which is characterized in that auxiliary disc teeth, auxiliary bevel gears and main disc teeth form a closed loop, so that the main disc teeth are uniformly stressed, the number of contacted teeth is increased, the abrasion and extreme pressure are reduced, and the service life of the main disc teeth is prolonged.
Description
Technical Field
The invention relates to the technical field of drive axles, in particular to a main speed reducer of a drive axle.
Background
A final drive (final reduction drive) is a mechanism that can vary torque and rotational speed within a drive axle. The basic function is to increase torque from the transmission or universal drive while reducing rotational speed and changing the direction of torque transfer. The main speed reducer consists of a main bevel gear and a disk gear, the bevel gear is meshed with the disk gear, power is output from the bevel gear through the disk gear, torque is transmitted only by the meshing position of the bevel gear and the disk gear, and the meshing position is arranged on the side surface of the disk gear, so that the disk gear is subjected to bending force, abrasion of the disk gear is easily increased, and the disk gear is deformed. In addition, the number of teeth of the bevel gear and the disk gear is small, the load force born between the gear teeth is large, abrasion is increased, gear oil is easy to become black, deteriorate and become oily sludge, scorched smell is generated, and each part cannot be lubricated and maintained in an optimal state, so that the service life is shortened.
Disclosure of Invention
Aiming at the prior art, the invention aims to provide the main speed reducer of the drive axle, which has the advantages that the auxiliary disc teeth, the auxiliary bevel gears and the main disc teeth form a closed loop, so that the stress of the main disc teeth is uniform, the number of contacted teeth is increased, the abrasion and the extreme pressure are reduced, and the service life of the main disc teeth is prolonged.
The technical scheme of the invention is realized as follows:
The utility model provides a main reducer of transaxle, includes axle housing, main bevel gear, main dish tooth, auxiliary disc tooth and auxiliary bevel gear, main bevel gear pass through the bearing with the axle housing rotatable coupling, main bevel gear is equipped with the keyway of being connected with the transmission shaft, main dish tooth with the auxiliary disc tooth passes through the bearing with the axle housing rotatable coupling and the flank of tooth is relative, main bevel gear drives simultaneously main dish tooth, auxiliary disc tooth rotate along opposite direction, auxiliary bevel gear equipartition is in around the main dish tooth and through the bearing with the axle housing rotatable coupling, auxiliary bevel gear simultaneously with main dish tooth, auxiliary disc tooth meshing.
Further, the key groove is a conical key groove.
Further, the bearing is a combined bearing.
Further, the axle housing is provided with a flange, the flange is provided with a through hole, the rotating shaft of the main bevel gear is connected with the transmission shaft after penetrating out of the flange, and the flange is provided with a nut.
Further, still include first oil box, second oil box and first brush dish, first oil box, second oil box are located the bottom of axle housing, be equipped with the brush hair on the first brush dish, first brush dish rotatable coupling is in the first oil box, the second oil box with the bottom intercommunication of first oil box, be equipped with the filter screen in the second oil box, the second oil box be equipped with the first scraper blade of the brush hair contact of first brush dish, the brush hair of first brush dish with the main dish tooth contacts, the main dish tooth drives first brush dish rotates.
Further, still include third oil box and second brush dish, the third oil box is located the bottom of axle housing, the third oil box with the bottom intercommunication of second oil box, the rotatable connection of second brush dish is in the third oil box, the brush hair of second brush dish with the auxiliary disc tooth contacts, the auxiliary disc tooth drives the second brush dish rotates, the third oil box be equipped with the second scraper blade of the brush hair contact of second brush dish.
Further, the first oil box, the second oil box and the third oil box are sequentially connected, the first oil box and the second oil box are separated by a first partition board, and the second oil box and the third oil box are separated by a second partition board.
The invention has the beneficial effects that:
The main bevel gear drives the main disc teeth and the auxiliary disc teeth to rotate in opposite directions, the auxiliary bevel gear is meshed with the main disc teeth and the auxiliary disc teeth simultaneously, and in the driving process, the main bevel gear drives the auxiliary disc teeth, and then the main disc teeth are driven by the auxiliary bevel gear, so that the main disc teeth are balanced in stress, difficult to generate bending force, difficult to deform and small in abrasion, and the service life of the main disc teeth is prolonged. The number of teeth of the main disk teeth is increased, the load force born between the teeth is reduced, abrasion is reduced, gear oil is not easy to turn black, deteriorate, become oil sludge and generate burnt smell, and the best lubrication and maintenance state is maintained. Under the same conditions, the service life of the main disk teeth is prolonged, the moment which can be borne is larger, and the special-tonnage hydraulic lifting device can be used for customers with very large tonnage requirements such as military use, civil use, special vehicles, fire engines and the like.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only preferred embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a final drive of a drive axle according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a first oil tank, a second oil tank and a third oil tank according to embodiment 2 of the present invention;
In the figure, a bridge shell 1, a main bevel gear 2, a main disc gear 3, a secondary disc gear 4, a secondary bevel gear 5, a flange 6, a nut 7, a first oil box 8, a second oil box 9, a first brush disc 10, a second scraper 11, a filter screen 12, a first scraper 13, a third oil box 14, a second brush disc 15, a first partition 16, a second partition 17, a differential 18 and a half shaft 19.
Detailed Description
For a better understanding of the technical content of the present invention, specific examples are provided below and the present invention is further described with reference to the accompanying drawings.
Example 1
Referring to fig. 1, a main reducer of a drive axle comprises an axle housing 1, a main bevel gear 2, a main disc gear 3, an auxiliary disc gear 4 and an auxiliary bevel gear 5, wherein the axle housing 1 is connected with a frame, the main bevel gear 2 is rotatably connected with the axle housing 1 through a bearing, a rotating shaft of the main bevel gear 2 penetrates out of the axle housing 1 and is connected with a transmission shaft, the transmission shaft transmits torque output by an engine of a vehicle to the main bevel gear 2, the main bevel gear 2 is provided with a key slot connected with the transmission shaft, the transmission shaft is inserted into the key slot of the main bevel gear 2, the main bevel gear 2 is driven to rotate when the transmission shaft rotates, the main disc gear 3 and the auxiliary bevel gear 4 are rotatably connected with the axle housing 1 through a bearing and are opposite, the main bevel gear 2 and the auxiliary bevel gear 5 are conveniently and simultaneously driven to rotate along opposite directions, the main bevel gear 3 and the auxiliary bevel gear 4 are simultaneously driven to rotate along opposite directions, the main bevel gear 3 is rotatably connected with the axle housing 1 through the bearing, and the auxiliary bevel gear 5 are uniformly distributed on the main bevel gear 3 and the auxiliary bevel gear 4. In the driving process, the main bevel gear 2 drives the auxiliary disc teeth 4, and the auxiliary disc teeth 4 drive the main disc teeth 3 through the auxiliary bevel gear 5, so that the main disc teeth 3 are balanced in stress, bending force is not easy to generate, the main disc teeth 3 are not easy to deform, the abrasion is small, and the service life of the main disc teeth 3 is prolonged. The number of teeth of the main disk teeth 3 is increased, the load force born between the teeth is reduced, the abrasion is reduced, the gear oil is not easy to turn black, deteriorate, become oily sludge and generate burnt smell, and the best lubrication and maintenance state is maintained. Under the same conditions, the service life of the main disc teeth 3 is prolonged, the moment which can be borne is larger, and the special-tonnage hydraulic lifting device can be used for customers with very large tonnage requirements such as military, civil, special vehicles, fire engines and the like.
Specifically, the key groove is a conical key groove. Specifically, the key groove is positioned on the rotating shaft of the main bevel gear 2, so that the radial torsion and radial shearing force born by the key groove are reduced, and the main bevel gear 2 is prevented from loosening and swinging due to abrasion of the key groove. The loose swing of the main bevel gear 2 can cause loosening and falling of the nut 7 of the transmission gear, so that the loose swing gap of the main bevel gear 2 is enlarged, the main bevel gear 2 swings left and right and moves up and down, the fit gap between the main bevel gear 2 and the main disc teeth 3 is further caused, and abrasion of parts is accelerated. The adoption of the conical key slot can avoid the problems, and greatly improve the service lives of the main conical gear 2 and the main disc teeth 3.
Specifically, the bearing is a combined bearing. The abrasion and the scattering of the bearing under the axial stress and the radial stress are avoided, and the service life of the part is prolonged.
Specifically, the axle housing 1 is provided with a flange 6, the flange 6 is provided with a through hole, the rotating shaft of the main bevel gear 2 is connected with the transmission shaft after penetrating out from the flange 6, and the flange 6 is provided with a nut 7. The axial impact resistance is improved, the main bevel gear 2 and the main disc teeth 3 are protected, the fit clearance between the main bevel gear 2 and the main disc teeth 3 is not easy to change in use, and the service life of parts is prolonged.
Example 2
Referring to fig. 1 to 2, this embodiment is different from embodiment 1 in that it further includes a first oil box 8, a second oil box 9, and a first brush disc 10, where the first oil box 8 and the second oil box 9 are disposed at the bottom of the axle housing 1, bristles are disposed on the first brush disc 10, lubricating oil is disposed in the first oil box 8, a part of the first brush disc 10 is immersed in the lubricating oil, the first brush disc 10 is rotatably connected in the first oil box 8, the second oil box 9 is communicated with the bottom of the first oil box 8, a filter screen 12 is disposed in the second oil box 9, the second oil box 9 is disposed with a first scraper 13 contacting with the bristles of the first brush disc 10, the bristles of the first brush disc 10 contact with the main disc teeth 3, and the main disc teeth 3 drive the first brush disc 10 to rotate. When the main disc teeth 3 rotate, the main disc teeth 3 drive the first brush disc 10 to rotate, and the first brush disc 10 sticks lubricating oil on the main disc teeth 3 when rotating, so that the lubricating effect of the main disc teeth 3 is improved, and dirt on the main disc teeth 3 is cleaned. The cleaning brush contacts with the first scraping plate 13 on the second oil box 9 when rotating, the first scraping plate 13 scrapes dirt and residual lubricating oil on the cleaning brush, the scraped lubricating oil and dirt fall into the second oil box 9 along with the first scraping plate 13, and the lubricating oil in the second oil box 9 is filtered by the filter screen 12 and recycled. Preferably, the bottom of the first oil box 8 is communicated with the axle housing 1, a filter screen is arranged at the bottom of the first oil box 8, lubricating oil on the axle housing 1 flows into the first oil box 8, and the lubricating oil entering the first oil box 8 is recycled after being filtered again.
Specifically, the novel brush comprises a first oil box 14 and a first brush disc 15, wherein the first oil box 14 is arranged at the bottom of the axle housing 1, the first oil box 14 is communicated with the bottom of the first oil box 9, the first brush disc 15 is rotatably connected in the first oil box 14, bristles of the first brush disc 15 are contacted with the auxiliary disc teeth 4, the auxiliary disc teeth 4 drive the first brush disc to rotate, and the first oil box 14 is provided with a first scraping plate 11 contacted with bristles of the first brush disc 15. Similarly, when the auxiliary disc teeth 4 rotate, the auxiliary disc teeth 4 drive the second brush disc 15 to rotate, and lubricating oil is stuck to the auxiliary disc teeth 4 when the second brush disc rotates, so that the lubricating effect of the auxiliary disc teeth 4 is improved, and dirt on the auxiliary disc teeth 4 is cleaned. The cleaning brush contacts with the second scraping plate 11 on the third oil box 14 when rotating, the second scraping plate 11 scrapes dirt and residual lubricating oil on the cleaning brush, the scraped lubricating oil and dirt fall into the second oil box 9 along with the second scraping plate 11, and the lubricating oil in the second oil box 9 is filtered by the filter screen 12 and recycled.
Specifically, the first oil box 8, the second oil box 9 and the third oil box 14 are sequentially connected, the first oil box 8 and the second oil box 9 are separated by a first partition plate 16, and the second oil box 9 and the third oil box 14 are separated by a second partition plate 17. The first oil box 8, the second oil box 9 and the third oil box 14 are compact in structure and firm in connection.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (5)
1. The main speed reducer of the drive axle is characterized by comprising an axle housing, a main bevel gear, main disc teeth, auxiliary disc teeth and auxiliary bevel gears, wherein the main bevel gear is rotatably connected with the axle housing through a bearing, the main bevel gear is provided with a key slot connected with a transmission shaft, the main disc teeth and the auxiliary disc teeth are rotatably connected with the axle housing through a bearing and are opposite in tooth surface, the main bevel gear simultaneously drives the main disc teeth and the auxiliary disc teeth to rotate along opposite directions, and the auxiliary bevel gears are uniformly distributed around the main disc teeth and are rotatably connected with the axle housing through the bearing, and the auxiliary bevel gears are simultaneously meshed with the main disc teeth and the auxiliary disc teeth; the key groove is a conical key groove; the bearing is a combined bearing.
2. A final drive of a drive axle as claimed in claim 1, characterized in that the axle housing is provided with a flange provided with a through hole, the rotation shaft of the final bevel gear is connected to the drive shaft after passing out of the flange, and the flange is provided with a nut.
3. The main reducer of a drive axle according to claim 1, further comprising a first oil box, a second oil box and a first brush disc, wherein the first oil box and the second oil box are arranged at the bottom of the axle housing, bristles are arranged on the first brush disc, the first brush disc is rotatably connected in the first oil box, the second oil box is communicated with the bottom of the first oil box, a filter screen is arranged in the second oil box, the second oil box is provided with a first scraping plate contacted with the bristles of the first brush disc, the bristles of the first brush disc are contacted with teeth of the main disc, and the teeth of the main disc drive the first brush disc to rotate.
4. A final drive for a drive axle as set forth in claim 3 further comprising a third oil reservoir disposed at the bottom of said axle housing and a second brush plate in communication with the bottom of said second oil reservoir, said second brush plate being rotatably connected within said third oil reservoir, the bristles of said second brush plate being in contact with said auxiliary teeth, said auxiliary teeth driving said second brush plate to rotate, said third oil reservoir being provided with a second scraper in contact with the bristles of said second brush plate.
5. The final drive of a transaxle of claim 4 wherein the first, second and third oil tanks are connected in sequence, the first and second oil tanks being separated by a first separator, the second and third oil tanks being separated by a second separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811160585.8A CN109058388B (en) | 2018-09-30 | 2018-09-30 | Main reducer of drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811160585.8A CN109058388B (en) | 2018-09-30 | 2018-09-30 | Main reducer of drive axle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109058388A CN109058388A (en) | 2018-12-21 |
| CN109058388B true CN109058388B (en) | 2024-06-11 |
Family
ID=64767413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811160585.8A Active CN109058388B (en) | 2018-09-30 | 2018-09-30 | Main reducer of drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109058388B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202012009415U1 (en) * | 2011-09-29 | 2012-11-09 | Siemens Aktiengesellschaft | industrial gear |
| EP2944448A1 (en) * | 2014-05-13 | 2015-11-18 | Coperion GmbH | Gearbox assembly for a twin screw extruder and treatment plant with a twin screw extruder and such a gear assembly and method for commissioning such a treatment plant |
| CN205918844U (en) * | 2016-08-24 | 2017-02-01 | 石家庄市藁城区飞宏机械有限公司 | Quick -witted gearbox of reel formula sprinkling irrigation |
| CN107893832A (en) * | 2017-11-10 | 2018-04-10 | 四川达宇特种车辆制造厂 | A kind of miniature turbo oar engine high-speed overload power dividing type retarder system |
| CN207893098U (en) * | 2018-02-01 | 2018-09-21 | 佛山市富捷机电设备有限公司 | A kind of Combined chain wheel |
| CN208397229U (en) * | 2018-09-30 | 2019-01-18 | 韦天一 | A kind of main reducing gear of drive axle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3104043B1 (en) * | 2015-06-12 | 2021-08-18 | Meritor Heavy Vehicle Systems Cameri SpA | Bevel gear wheel end assembly |
-
2018
- 2018-09-30 CN CN201811160585.8A patent/CN109058388B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202012009415U1 (en) * | 2011-09-29 | 2012-11-09 | Siemens Aktiengesellschaft | industrial gear |
| EP2944448A1 (en) * | 2014-05-13 | 2015-11-18 | Coperion GmbH | Gearbox assembly for a twin screw extruder and treatment plant with a twin screw extruder and such a gear assembly and method for commissioning such a treatment plant |
| CN205918844U (en) * | 2016-08-24 | 2017-02-01 | 石家庄市藁城区飞宏机械有限公司 | Quick -witted gearbox of reel formula sprinkling irrigation |
| CN107893832A (en) * | 2017-11-10 | 2018-04-10 | 四川达宇特种车辆制造厂 | A kind of miniature turbo oar engine high-speed overload power dividing type retarder system |
| CN207893098U (en) * | 2018-02-01 | 2018-09-21 | 佛山市富捷机电设备有限公司 | A kind of Combined chain wheel |
| CN208397229U (en) * | 2018-09-30 | 2019-01-18 | 韦天一 | A kind of main reducing gear of drive axle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109058388A (en) | 2018-12-21 |
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