CN202541308U - Drive axle of milling machine - Google Patents
Drive axle of milling machine Download PDFInfo
- Publication number
- CN202541308U CN202541308U CN 201220126856 CN201220126856U CN202541308U CN 202541308 U CN202541308 U CN 202541308U CN 201220126856 CN201220126856 CN 201220126856 CN 201220126856 U CN201220126856 U CN 201220126856U CN 202541308 U CN202541308 U CN 202541308U
- Authority
- CN
- China
- Prior art keywords
- bevel gear
- gear
- drive axle
- reducing mechanism
- spiral bevel
- 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
Images
Landscapes
- Braking Arrangements (AREA)
- Retarders (AREA)
Abstract
The utility model provides a drive axle of a milling machine. The drive axle mainly comprises two stages of reducing mechanisms, wherein the primary reducing mechanism is a main transmission spiral bevel gear reducing mechanism, and the secondary reducing mechanism is a wheel-side planet gear reducing mechanism; the main transmission spiral bevel gear reducing mechanism comprises a pair of spiral bevel gears and a differential assembly; a driving spiral bevel gear is connected in a central box by a bearing; a big spiral bevel gear is fixedly connected with the differential assembly; the differential assembly comprises bevel gears, a bevel gear shaft, half shaft gears and a differential shell; the bevel gears are radially positioned in the differential shell by the bevel gear shaft; the half shaft gears are connected on a half shaft by splines; a hydraulic brake device formed by wet paper-based friction plates and steel disc components is configured on the half shaft; push-pull rods are connected on knuckle kits; and the push-pull rods are connected with a self-provided horizontal integral hydraulic cylinder which can generate push-pull force by controlling the oil pressure difference of a steering cylinder. The drive axle has the characteristics of reasonable and compact structure, convenience and reliability in use, capability of effectively improving the steering passing ability and precision which are limited by the fields in a small range, stability and reliability in brake, great reduction of production cost, and the like.
Description
Technical field
The utility model relates to a kind of milling machine drive axle, belong to construction machinery and equipment road vehicles steering drive axle technical field.
Background technology
Present domestic milling machine drive axle is subject to cost and adopts split left and right formula hydraulic piston rod steering hardware mostly with technology, and the braking of pincers dish is adopted in service brake mostly.Adopted pioneering technologys such as horizontal integral type hydraulic ram and wet type service brake abroad since the eighties in last century, it is precisely reliable that horizontal integral type hydraulic ram makes that vehicle body turns to; Wet braking has then improved the safety performance and the operation comfort of main frame.But fail to be widely used in domestic construction machinery and equipment drive axle owing to the productive costs of horizontal integral type hydraulic ram and wet braking friction lining is too high always.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that prior art exists; And provide a kind of rational in infrastructure, compact; Easy to use, reliable; Can effectively improve receiving place restriction, among a small circle in, turn to crossing ability and precision, braking steadily not reliably, the drive axle of the milling machine that productive costs greatly reduces.
The purpose of the utility model is accomplished through following technical scheme, and it mainly is made up of double reduction mechanism, and wherein the first class reducer structure is a main gear screw bevel gear speed reduction gearing, and two reduction gear is wheel limit planetary gear reducing mechanism; Described main gear screw bevel gear speed reduction gearing comprises a pair of spiral bevel gear and differential assembly, and wherein initiatively spiral bevel gear is connected in the central bin through bearing, and a big spiral bevel gear is captiveed joint with differential assembly; Said differential assembly is made up of finishing bevel gear cuter, bevel gear shaft, axle side gear and differential casing, and finishing bevel gear cuter is radially positioned in the differential casing by bevel gear shaft, and axle side gear is connected with semiaxis through spline; The described limit planetary gear reducing mechanism of taking turns comprises: an internally toothed annulus is wrapped by being bolted to steering swivel, and hub is located by connecting on steering swivel through bearing and wraps, and planetary wheel carrier is captiveed joint with hub; Hot jacket has one group of planet wheel spindle on the said planetary wheel carrier, on the axle satellite gear is installed; Described semiaxis links to each other with sun wheel through a universal-joint, said sun wheel again with said satellite gear engaged transmission.
Dispose the hydraulic brake system that is made up of Wet-type paper friction lining and steel disc assembly in the described piston cylinder, wherein steel disc assembly and piston cylinder are connected fixingly by spline, and Wet-type paper friction lining and spline housing are captiveed joint with semiaxis through spline; One side of the relative axle housing of described hydraulic brake system is provided with the piston of band holddown spring, and this piston is connected with the piston cylinder that can be pressed into hydraulic oil from the outside.
Described steering swivel is wrapped and is connected with pull bar, and this pull bar can link to each other through the horizontal integral type hydraulic ram that carries that control turns to the oil cylinder oil pressure to produce push-pull effort with one.
The horizontal integral type hydraulic ram that the utility model adopted, steering angle is bigger, efficiently solves car load and turns to crossing ability and precision problem in receiving under the place restriction operating mode among a small circle; Adopt homemade Wet-type paper friction lining; Braking is steadily reliable, has very big advantage than the import friction lining in price, in the middle of braking position is transferred to by the wheel limit behind the main gear position; Reduce lock torque, improved the comfortable stationarity of operation; It has rational in infrastructure, compact, and is easy to use, reliable, can effectively improve to receive place restriction, among a small circle in, turn to crossing ability and precision, braking steadily not reliably, productive costs such as greatly reduces at characteristics.
Description of drawings
Fig. 1 is an example structure scheme drawing of the utility model;
Fig. 2 is the sectional structure scheme drawing at said one-level deceleration of the utility model and wet braking position;
Fig. 3 is the said sectional structure scheme drawing of taking turns limit double reduction and knuckle section of the utility model;
Fig. 4 is the sectional structure scheme drawing of the described hydraulic cylinder part of the utility model.
The specific embodiment
To combine accompanying drawing that the utility model is done shown in detailed introduction: Fig. 1-4 below; The utility model mainly is made up of double reduction mechanism; Wherein the first class reducer structure is a main gear screw bevel gear speed reduction gearing, and two reduction gear is wheel limit planetary gear reducing mechanism; Its described main gear screw bevel gear speed reduction gearing comprises a pair of spiral bevel gear and differential assembly, and wherein initiatively spiral bevel gear 13 is connected in the central bin 11 through bearing, and a big spiral bevel gear 12 is captiveed joint with differential assembly 8; Said differential assembly 8 is made up of finishing bevel gear cuter 9, bevel gear shaft 15, axle side gear 10 and differential casing 14, and finishing bevel gear cuter is radially positioned in the differential casing by bevel gear shaft, and axle side gear 10 is connected on the semiaxis 7 through spline; The described limit planetary gear reducing mechanism of taking turns comprises: an internally toothed annulus 23 is by being bolted on the steering swivel bag 17, and hub 18 is located by connecting on the steering swivel bag 17 through bearing 24, and planetary wheel carrier 19 is captiveed joint with hub 18; Hot jacket has one group of planet wheel spindle 21 on the said planetary wheel carrier, on the axle satellite gear 22 is installed; Described semiaxis 7 links to each other with sun wheel 20 through a universal-joint 16, and said sun wheel 20 links to each other with said satellite gear 22 again.
Dispose the hydraulic brake system that is made up of Wet-type paper friction lining and steel disc assembly 2 on the described semiaxis 7, wherein steel disc assembly 2 and piston cylinder 6 are connected fixingly by spline, and Wet-type paper friction lining and spline housing 5 are captiveed joint with semiaxis 7 through spline; One side of the relative axle housing 1 of described hydraulic brake system is provided with the piston 3 of band holddown spring 4, and this piston is connected with the piston cylinder that can be pressed into hydraulic oil from the outside.
Be connected with pull bar 25 on the described steering swivel bag 17, this pull bar 25 can link to each other through the horizontal integral type hydraulic ram that carries that control turns to the oil cylinder oil pressure to produce push-pull effort with one.
The utility model is abandoned original split left and right formula hydraulic piston rod steering hardware, adopts horizontal integral type hydraulic ram, uses a single-piece piston rod in the promptly whole hydraulic actuating cylinder; Two ends and piston rod attaching parts adopt the gimbal suspension pull bar; Make piston rod freely move reciprocatingly through the pressure reduction of piston rod left and right sides oil pressure in the control cylinder body, make that simultaneously the length at the identical locus inner piston rod of hydraulic cylinder can be able to lengthening, the piston rod stroke obtains strengthening; 43 ° of steering locking angle Du Keda; Both at home and abroad at present mostly attainable 28 ° of-32 ° of deflection angles have bigger increase, but actv. increases the steering angle of pontic in identical or littler vehicle installing space, adopts the same piston body of rod; Can improve greatly and turn to accurate stability, improve the crossing ability that turns to of car load.Drag is abandoned the caliper disc brake of original construction machinery and equipment drive axle; Adopt homemade Wet-type paper friction disc brake, main gear position in the middle of braking position trailing wheel limit is transferred to reduces lock torque; Improved the stationarity and the reliability of braking, operation comfort also is greatly improved simultaneously.Through analyzing the function that adopts horizontal integral type hydraulic ram and homemade Wet-type paper friction disc brake not only to possess domestic and international fluid-link steering and braking, productive costs also reduces greatly simultaneously.
Embodiment:
The utility model mainly can be applicable to 1 meter road surface cold milling and planing machine, adopts double reduction, and one-level is a main gear screw bevel gear speed reduction gearing, and secondary is wheel limit planetary gear reducing mechanism.Turn to function to adopt horizontal integral type hydraulic ram to realize that service brake is the Wet-type paper friction disc brake.
Shown in Figure 2, one-level is slowed down to the main gear screw bevel gear slows down, and mainly comprises a pair of spiral bevel gear and differential assembly, and wherein initiatively spiral bevel gear 13 is connected in the central bin 11 through bearing, and big spiral bevel gear 12 and differential assembly 8 are fixed by bolted connection; Said differential assembly is made up of finishing bevel gear cuter 9, bevel gear shaft 15, axle side gear 10 and differential casing 14, and finishing bevel gear cuter is radially positioned in the differential casing by bevel gear shaft.The groundwork process is: initiatively spiral bevel gear is connected through spline with complete machine gear box output end mouth; The transmission of power that the active spiral bevel gear is come the change speed gear box input during work is given big spiral bevel gear; This moment, big spiral bevel gear drove whole differential assembly motion; With transmission of power to axle side gear through on the spline bonded assembly semiaxis 7, one-level is slowed down to increase and is turned round completion;
Shown in Figure 3, double reduction is a planetary gear speed-reduction, and internally toothed annulus 23 is by being bolted on the steering swivel bag 17, and hub 18 is located by connecting on the steering swivel bag 17 through bearing 24, and planetary wheel carrier 19 is captiveed joint with hub; Hot jacket has one group of planet wheel spindle 21 on the said planetary wheel carrier, and satellite gear 22 is installed on the axle.The groundwork process does; Semiaxis 7 passes to sun wheel 20 with the power that the one-level deceleration passes over via universal-joint 16; Thereby sun wheel drives whole planetary wheel carrier for satellite gear and internally toothed annulus transmission of power again and hub rotates, and drives the complete machine walking, and double reduction increases turns round completion.
The drag of the said drive axle of the utility model is abandoned the caliper disc brake of original construction machinery and equipment drive axle; Adopt homemade Wet-type paper friction lining and 2 hydraulic brakings of steel disc assembly; Wherein steel disc is connected fixing with piston cylinder 6 by spline; Paper-base friction wafer and spline housing 5 are connected by spline, rotate with semiaxis 7 during work.When complete machine needs glancing impact; By external pressure hydraulic oil is pressed into the confined space between piston cylinder and the piston 3; Thereby promote the motion of piston and friction lining, produce friction force to reach braking effect because the obstruction of axle housing 1 is adjacent to friction lining rapidly, brake successfully after; Only need the take-off the brake device to make piston reset through the application force of spring 4, complete machine gets final product cruising.
The said drive axle of the utility model is the fluid-link steering drive axle; Realize steering procedure flexibly through carrying horizontal integral type hydraulic ram: turn to oil cylinder oil pressure difference to produce push-pull effort through control; Through two ends pull bar 25 steering effort is reached both end sides steering swivel bag 17; Make that be positioned at hub and the planetary wheel carrier assembly integral body that steering swivel wraps turns to, during Vehicular turn, universal-joint 16 can provide abundant steering angle.
Claims (3)
1. the drive axle of a milling machine, it mainly is made up of double reduction mechanism, and wherein the first class reducer structure is a main gear screw bevel gear speed reduction gearing, and two reduction gear is wheel limit planetary gear reducing mechanism; It is characterized in that described main gear screw bevel gear speed reduction gearing comprises a pair of spiral bevel gear and differential assembly; Wherein initiatively spiral bevel gear (13) is connected in the central bin (11) through bearing, and a big spiral bevel gear (12) is captiveed joint with differential assembly (8); Said differential assembly (8) is made up of finishing bevel gear cuter (9), bevel gear shaft (15), axle side gear (10) and differential casing (14); Finishing bevel gear cuter is radially positioned in the differential casing by bevel gear shaft, and axle side gear (10) is connected on the semiaxis (7) through spline; The described limit planetary gear reducing mechanism of taking turns comprises: an internally toothed annulus (23) is by being bolted on the steering swivel bag (17); Hub (18) is located by connecting on the steering swivel bag (17) through bearing (24), and planetary wheel carrier (19) is captiveed joint with hub (18); Hot jacket has one group of planet wheel spindle (21) on the said planetary wheel carrier, on the axle satellite gear (22) is installed; Described semiaxis (7) links to each other with sun wheel (20) through a universal-joint (16), and said sun wheel (20) links to each other with said satellite gear (22) again.
2. the drive axle of milling machine according to claim 1; It is characterized in that disposing on the described semiaxis (7) hydraulic brake system that constitutes by Wet-type paper friction lining and steel disc assembly (2); Wherein steel disc assembly (2) and piston cylinder (6) are connected fixingly by spline, and Wet-type paper friction lining and spline housing (5) are captiveed joint with semiaxis (7) through spline; One side of the relative axle housing of described hydraulic brake system (1) is provided with the piston (3) of band holddown spring (4), and this piston is connected with the piston cylinder that can be pressed into hydraulic oil from the outside.
3. the drive axle of milling machine according to claim 1; It is characterized in that being connected with on the described steering swivel bag (17) pull bar (25), this pull bar (25) can link to each other through the horizontal integral type hydraulic ram that carries that control turns to oil cylinder oil pressure difference to produce push-pull effort with one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220126856 CN202541308U (en) | 2012-03-30 | 2012-03-30 | Drive axle of milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220126856 CN202541308U (en) | 2012-03-30 | 2012-03-30 | Drive axle of milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202541308U true CN202541308U (en) | 2012-11-21 |
Family
ID=47161986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220126856 Expired - Fee Related CN202541308U (en) | 2012-03-30 | 2012-03-30 | Drive axle of milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202541308U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104442374A (en) * | 2014-11-18 | 2015-03-25 | 绍兴前进齿轮箱有限公司 | Steering drive axle for agricultural machine |
| CN105059113A (en) * | 2015-08-07 | 2015-11-18 | 无锡市悦丰化工有限公司 | Vehicle-bridge structure |
| CN105064192A (en) * | 2015-07-20 | 2015-11-18 | 沈阳化工大学 | Concrete-ground shoveling manipulator |
| CN107409784A (en) * | 2017-09-01 | 2017-12-01 | 郑州大学 | A kind of municipal greenbelt clipping device |
| CN111606253A (en) * | 2020-06-19 | 2020-09-01 | 苏州盛亿电机有限公司 | Dual-drive-wheel power device of electric carrier |
| CN111606254A (en) * | 2020-06-19 | 2020-09-01 | 苏州盛亿电机有限公司 | Double-driving wheel power device of electric carrier |
-
2012
- 2012-03-30 CN CN 201220126856 patent/CN202541308U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104442374A (en) * | 2014-11-18 | 2015-03-25 | 绍兴前进齿轮箱有限公司 | Steering drive axle for agricultural machine |
| CN105064192A (en) * | 2015-07-20 | 2015-11-18 | 沈阳化工大学 | Concrete-ground shoveling manipulator |
| CN105059113A (en) * | 2015-08-07 | 2015-11-18 | 无锡市悦丰化工有限公司 | Vehicle-bridge structure |
| CN107409784A (en) * | 2017-09-01 | 2017-12-01 | 郑州大学 | A kind of municipal greenbelt clipping device |
| CN107409784B (en) * | 2017-09-01 | 2023-11-21 | 南京沃谱瑞环境研究院有限公司 | Municipal afforestation area trimming means |
| CN111606253A (en) * | 2020-06-19 | 2020-09-01 | 苏州盛亿电机有限公司 | Dual-drive-wheel power device of electric carrier |
| CN111606254A (en) * | 2020-06-19 | 2020-09-01 | 苏州盛亿电机有限公司 | Double-driving wheel power device of electric carrier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101348075B (en) | Drive axle of motor drive | |
| CN202541308U (en) | Drive axle of milling machine | |
| CN106347091A (en) | Clutch control type electric drive axle | |
| CN102555773A (en) | Low-floor gate-type wheel-side motor rear axle for electric bus | |
| JP6526147B2 (en) | Power transmission device and vehicle including the same | |
| CN101858824A (en) | Shaft end type torque loader | |
| CN202703132U (en) | Rear drive axle assembly | |
| JP2019078367A (en) | Power transmission device, and vehicle including the same | |
| CN111152607A (en) | Motor transverse hydraulic flat-bed transport vehicle axle | |
| CN104776165A (en) | Electric motor type active stabilizer bar | |
| CN108591305B (en) | A kind of Electric Motor Wheel with pellet pressure structure brake | |
| CN104648139A (en) | Wet type brake driving axle with built-in limited slip differential | |
| CN102887060A (en) | Drive axle of articulated tractor | |
| CN105584359A (en) | Excavator steering drive axle | |
| CN106627536B (en) | Trailer axle system with hydraulic retarder | |
| CN201257895Y (en) | Motor-driven drive axle | |
| CN105150827A (en) | Electric wheel-side drive system | |
| CN202742990U (en) | Heavy-duty car double-stage speed-reducing steering axle with hydraulic clamp disc brake | |
| CN202579881U (en) | Engineering machinery drive axle | |
| CN104595424B (en) | Planetary gear side reducer assembly | |
| CN202413416U (en) | Integral gate type steering drive front axle assembly | |
| CN203472825U (en) | Wet-type braking driving axle | |
| CN205033933U (en) | Wheel limit power drive system | |
| CN203237040U (en) | Wet-type braking driving axle provided with swing support | |
| CN100516590C (en) | Gear box with built-in braking system |
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: 20121121 Termination date: 20210330 |