CN205298476U - Axle gear box - Google Patents
Axle gear box Download PDFInfo
- Publication number
- CN205298476U CN205298476U CN201520965463.1U CN201520965463U CN205298476U CN 205298476 U CN205298476 U CN 205298476U CN 201520965463 U CN201520965463 U CN 201520965463U CN 205298476 U CN205298476 U CN 205298476U
- Authority
- CN
- China
- Prior art keywords
- box
- gear
- casing
- oil pump
- driving shaft
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses an axle gear box, box include the box and descend the box, upward are equipped with aerater, the internal dipstick that is provided with of nowel on the box, be provided with first transmission shaft and secondary drive axle on the box, the bevel gear of first transmission shaft and the meshing of the bevel gear quadrature of secondary drive axle, first transmission shaft and secondary drive axle are fixed on the box through the bearing frame, and the bottom of box is equipped with the gear oil pump, and the input shaft of gear oil pump passes through drive gear and the meshing of the epaxial output gear of secondary drive. The utility model discloses an axle gear box has good mechanical properties, can realize the multistage transmission of power, and lubricating system's gear oil pump passes through the drive of secondary drive axle simultaneously, and the lubrication was descended better, was difficult for appearing the error.
Description
Technical field
This utility model relates to power transmission device, is specifically related to a kind of axle gear box.
Background technology
Existing intercity EMUs gearbox lubrication adopts splash lubrication mode, namely takes on the inwall of little gear and gear-box by the lubricating oil of storage bottom the turning handle gear-box of driven gear, again through the special oil circuit arranged, bearing is lubricated.
Driven gear bearing inner ring is directly installed on axletree by interference fit, outer ring directly coordinates with gear housing, namely bearing block is arranged on gear housing, owing to gear housing is made up of upper box, lower box two parts, flask joint passes through driven gear bearing block, slight play between flask joint in the mismachining tolerance of gear-box, rigging error and vehicle operation, all can reduce the life-span of driven gear bearing, and the serious bearing that even can make breaks down. Additionally, owing to intercity EMUs running velocity is higher, the rotating speed of box bearing and gear also significantly improves, cause that the air pressure within gear-box is higher, the situation that oil return is not smooth can be there is, occurring thus having permeability phenomenon between the outer end cap and casing of driven gear both sides, permeability can cause driven gear bearing insufficient lubrication. Meanwhile, in gear-box assembling process, the adjustment of driven gear bearing axial gap is to be realized by match grinding sealing member, and this gap adjusts mode and causes gear-box packaging technology complexity, inefficiency.
Meanwhile, existing axle gear box adopts the parallel kind of drive mostly so that the efficiency ratio of transmission is not easily controlled, and safety problem also easily occurs when running up. The lubricating system of existing gear-box is separate with power transmission shaft, and the mist of oil that lubricating oil is formed is directly discharged in air mostly, simultaneously that the process of mist of oil is also incorrect.
Utility model content
The purpose of this utility model is to provide a kind of axle gear box.
For reaching above-mentioned purpose, an embodiment of the present utility model provides a kind of axle gear box, including casing, casing includes upper box and lower box, upper box is provided with for realizing the breather of gas exchange inside and outside casing, is provided with the dipstick for detecting box bottom oil mass height in lower box;
Casing is provided with the first power transmission shaft and second driving shaft, the engagement orthogonal with the bevel gear of second driving shaft of the bevel gear of the first power transmission shaft;First power transmission shaft and second driving shaft are fixed on casing by bearing block, and the bottom of casing is provided with gear oil pump, and the power shaft of gear oil pump is engaged with the output gear on second driving shaft by travelling gear.
Preferably, casing is provided with torque arm seat and is equipped with torque arm assembly.
Preferably, gear oil pump is two-way gear oil pump.
Preferably, the power shaft centrage of gear oil pump and the distance of second driving shaft centrage are 191mm.
Preferably, the central axis of the first power transmission shaft and second driving shaft.
Preferably, casing adopts ZG230��450 cast to form, and casing wall thickness is 12mm.
Preferably, the first power transmission shaft is 36:22 with the gear ratio of second driving shaft.
Preferably, casing is of a size of long 955 �� wide by 787 �� high 796.
Preferably, breather includes shell and is arranged on the inner shell of enclosure, and the bottom of inner shell is provided with air inlet pipe, and the internal cavity of inner shell is provided with the lower camber side plate of a concave downward, the lowest point of lower camber side plate is provided with drip hole, and lower camber side plate is provided with pore near the region of inner shell inwall; Lower camber side plate is provided with screen cloth, and screen cloth is provided with cambered plate, and the middle part of upper cambered plate is provided with gas outlet; Being provided with rotor plate between described air inlet pipe and lower camber side plate, the two ends of described rotor plate are rotating to be embedded in inner shell inwall; Both sides, middle part on described rotor plate are equipped with blade, and blade is arc shaped blade, and the radius of blade is gradually reduced in the middle part of the center alignment rotor plate of rotor plate.
Axle gear box of the present utility model, has good mechanical performance, it is possible to achieve the multistage transmission of power, and the gear oil pump of lubricating system is driven by second driving shaft simultaneously, and lubrication was descended better, error not easily occurred. Meanwhile, this utility model is provided with good breather, it is possible to many mist of oils carry out good process.
Accompanying drawing explanation
Fig. 1 is a side view of the present utility model;
Fig. 2 is another side view of this utility model;
Fig. 3 is the structural representation of this utility model breather;
Fig. 4 is box inner structure schematic diagram.
Wherein, 1, upper box; 2, lower box; 3, breather; 4, dipstick; 5, the first power transmission shaft; 6, second driving shaft; 7, gear oil pump; 8, torque arm seat; 9, torque arm assembly; 51, bevel gear; 61, bevel gear; 62, travelling gear; 31, shell; 32, inner shell; 33, envelope emits; 34, air inlet pipe; 36, drip hole; 37, pore; 38, screen cloth; 39, upper cambered plate; 310, gas outlet; 311, sponge; 312, ventilation mouth; 313, desiccant; 314, rotor plate.
Detailed description of the invention
This utility model provides a kind of axle gear box, and including casing, casing includes upper box 1 and lower box 2, together with upper box 1 can be bolted to connection with lower box 2, forms the internal casing with bigger cavity.
Upper box 1 is provided with the breather 3 for realizing gas exchange inside and outside casing, is provided with the dipstick 4 for detecting box bottom oil mass height in lower box 2.
Casing is provided with the first power transmission shaft 5 and second driving shaft 6, the engagement orthogonal with the bevel gear 61 of second driving shaft 6 of the bevel gear 51 of the first power transmission shaft 5, the i.e. central axis of the first power transmission shaft 5 and second driving shaft 6, by the cooperation of bevel gear, the radial direction power that first power transmission shaft 5 inputs can be transformed into the axial power of second driving shaft 6 so that the installation direction of second driving shaft 6 and the first power transmission shaft 5 is vertical.First power transmission shaft 5 and second driving shaft 6 may be mounted at the faying face institute of upper box 1 and lower box 2 in the plane, and the gear ratio of the first power transmission shaft 5 and second driving shaft 6 is 36:22.
It is freely rotatable that first power transmission shaft 5 and second driving shaft 6 are fixed on casing by bearing block to realize in casing, the bottom of casing is provided with gear oil pump 7, the power shaft of gear oil pump 7 is engaged with the output gear on second driving shaft 6 by travelling gear 62 so that can be lubricated by driven gear oil pump 7 when second driving shaft 6 rotates.
In optimal enforcement example of the present utility model, casing is provided with torque arm seat 8 and is equipped with torque arm assembly 9. Gear oil pump is two-way gear oil pump; The power shaft centrage of gear oil pump and the distance of second driving shaft centrage are 191mm. Casing adopts ZG230��450 cast to form, and casing wall thickness is 12mm; Casing is of a size of long 955 �� wide by 787 �� high 796.
Breather 3 of the present utility model includes shell 31 and is arranged on the inner shell 32 within shell 31, the bottom of inner shell 32 is provided with air inlet pipe 34, the internal cavity of inner shell 32 is provided with the lower camber side plate of a concave downward, the lowest point of lower camber side plate is provided with drip hole 36, and lower camber side plate is provided with pore 37 near the region of inner shell 32 inwall; Lower camber side plate is provided with screen cloth 38, and screen cloth 38 is provided with cambered plate 39, and the middle part of upper cambered plate 39 is provided with gas outlet 310; Being provided with rotor plate 314 between air inlet pipe 34 and lower camber side plate, the two ends of rotor plate 314 are rotating to be embedded in inner shell 32 inwall; Both sides, middle part on rotor plate 314 are equipped with blade, and blade is arc shaped blade, and the radius of blade is gradually reduced in the middle part of the center alignment rotor plate of rotor plate.
The top end of shell 31 and inner shell 32 is provided with gas channel and sealing cap 33, has cavity between shell 31 and inner shell 32, is provided with desiccant 313 in cavity, and bottom is provided with sponge 311 and ventilation mouth 312. The fogging oil formed in casing is after the pore of lower camber side plate processes, keep away formation oil film at lower camber side plate, and then flowed out by drip hole along radian, the fogging oil do not removed completely through on cambered plate process after, another cambered surface processes, and then forms lower of oil film. Fogging oil by two contrary cambered plates, is automatically processed by this utility model by fogging oil. Blade is arc shaped blade, and the surface of arc shaped blade is pore region, is drip hole 36 position directly over the middle part of rotor plate. Mist of oil, after entering inner shell 32, enters pore region under the drain of arc shaped blade, also extends the walking path of mist of oil so that it can preferentially enter pore simultaneously.
Claims (8)
1. an axle gear box, including casing, described casing includes upper box and lower box, it is characterised in that:
Described upper box is provided with for realizing the breather of gas exchange inside and outside casing, is provided with the dipstick for detecting box bottom oil mass height in described lower box;
Described casing is provided with the first power transmission shaft and second driving shaft, the engagement orthogonal with the bevel gear of second driving shaft of the bevel gear of described first power transmission shaft; Described first power transmission shaft and second driving shaft are fixed on casing by bearing block, and the bottom of described casing is provided with gear oil pump, and the power shaft of described gear oil pump is engaged with the output gear on described second driving shaft by travelling gear.
2. axle gear box as claimed in claim 1, it is characterised in that: described casing is provided with torque arm seat and is equipped with torque arm assembly.
3. axle gear box as claimed in claim 1, it is characterised in that: described gear oil pump is two-way gear oil pump.
4. axle gear box as claimed in claim 1, it is characterised in that: the power shaft centrage of described gear oil pump and the distance of second driving shaft centrage are 191mm.
5. axle gear box as claimed in claim 1, it is characterised in that: the central axis of described first power transmission shaft and second driving shaft.
6. axle gear box as claimed in claim 1, it is characterised in that: described casing adopts ZG230��450 cast to form, and casing wall thickness is 12mm.
7. axle gear box as claimed in claim 1, it is characterised in that: the gear ratio of described first power transmission shaft and second driving shaft is 36:22.
8. axle gear box as claimed in claim 1, it is characterised in that: described casing is of a size of long 955 �� wide by 787 �� high 796.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520965463.1U CN205298476U (en) | 2015-11-30 | 2015-11-30 | Axle gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520965463.1U CN205298476U (en) | 2015-11-30 | 2015-11-30 | Axle gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205298476U true CN205298476U (en) | 2016-06-08 |
Family
ID=56462713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520965463.1U Expired - Fee Related CN205298476U (en) | 2015-11-30 | 2015-11-30 | Axle gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205298476U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299189A (en) * | 2015-11-30 | 2016-02-03 | 资阳南车传动有限公司 | Axle gear box |
-
2015
- 2015-11-30 CN CN201520965463.1U patent/CN205298476U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299189A (en) * | 2015-11-30 | 2016-02-03 | 资阳南车传动有限公司 | Axle gear box |
| CN105299189B (en) * | 2015-11-30 | 2017-09-15 | 资阳中车传动有限公司 | A kind of axle gear box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180213 Address after: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No. Patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Address before: 641303 Ziyang City, Yanjiang Province Linjiang Town, the town of Spring Street, No. 68, attached to No. 1, No. Patentee before: CRRC ZIYANG TRANSMISSION Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20211130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |