CN103707717A - Steering drive axle used in rough terrain wheeled crane - Google Patents
Steering drive axle used in rough terrain wheeled crane Download PDFInfo
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- CN103707717A CN103707717A CN201410026586.9A CN201410026586A CN103707717A CN 103707717 A CN103707717 A CN 103707717A CN 201410026586 A CN201410026586 A CN 201410026586A CN 103707717 A CN103707717 A CN 103707717A
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Abstract
The invention relates to a steering drive axle used in a rough terrain wheeled crane. The steering drive axle comprises an axle shell assembly, a knuckle assembly, a hub and a planet speed reducer, an inter-wheel differential mechanism, a main speed reducer assembly, a left half-axle assembly and a right half-axle assembly, wherein a hydraulic parking brake caliper is arranged on a support shell of the main speed reducer assembly; a parking brake disc corresponding and matching with the hydraulic parking brake caliper is arranged on an input transmission flange of the main speed reducer assembly; parking brake or brake relieving is achieved through the parking brake disc and the hydraulic parking brake caliper under hydraulic control. The steering drive axle is large in output torque, high in bearing capability, good in rough terrain cross ability, large in brake torque and good in steering capability.
Description
Technical field
The present invention relates to automobile component, be specifically related to a kind of steering drive axle for rough terrain wheeled crane.
Background technology
Rough terrain wheeled crane is the swing arm rotary crane that utilizes the walking of rubber-tyred chassis.It is that hoist mechanism is arranged on to a kind of Full Rotary hoisting crane on the special chassis that scale-up version tire and wheel shaft form, its superstructure and crawler crane are basic identical, the stability of fuselage when guaranteeing installation exercise, hoisting crane is provided with four telescopic supporting legs.On smooth ground, can carry out little hoisting capacity lifting and hang thing low speed driving without supporting leg.Therefore, rough terrain wheeled crane need meet that axle capacity is strong, output torque is large, and deceleration and stopping performance is high; Can realize 4 * 4 and 4 * 2 and drive, good cross-country ability; Turn to flexibly, adapt to narrow and small place operation.
Summary of the invention
The object of this invention is to provide a kind of steering drive axle for rough terrain wheeled crane, its output torque is large, load-carrying capacity is strong, good cross-country ability, lock torque are large, and has good turning efficiency.
Steering drive axle for rough terrain wheeled crane of the present invention, comprise axle case assy, be located at knuckle assembly and wheel hub and the planetary reduction gear on axle case assy left end and right-hand member respectively, also comprise the inter-wheel differential, main gearbox assembly, left half axle assembly and the right axle shaft assembly that are located in axle case assy; Described main gearbox assembly and described inter-wheel differential are connected;
One end of described left half axle assembly and the left half axle gear of the inter-wheel differential in main gearbox assembly are connected, the other end of described left half axle assembly be located at the wheel hub of axle case assy left end and the sun wheel of planetary reduction gear is connected;
One end of described right axle shaft assembly and the right axle shaft gear of the inter-wheel differential in main gearbox assembly are connected, the other end of described right axle shaft assembly be located at the wheel hub of axle case assy right-hand member and the sun wheel of planetary reduction gear is connected;
The supporting shell of described main gearbox assembly is provided with hydraulic parking braking pincers, the input driving flange of described main gearbox assembly is provided with the braking during standstill dish with described hydraulic parking braking pincers corresponding matching, and this braking during standstill dish and hydraulic parking braking pincers are realized braking during standstill or brake off under fluid control.
Also comprise that one turns to straight tie rod assembly, this turns to one end of straight tie rod assembly to be connected with the anterior journal stirrup in a knuckle assembly, and this turns to the other end of straight tie rod assembly to be connected with the anterior journal stirrup in another knuckle assembly.
Described knuckle assembly is hinged by stub and axle case assy, described wheel hub is connected with knuckle assembly with planetary reduction gear, described wheel hub and planetary reduction gear are provided with the service brake dish with radiating groove, described knuckle assembly is provided with the hydraulic disc brake caliper with the described service brake dish corresponding matching with radiating groove, this hydraulic disc brake caliper with the service brake dish of radiating groove, under fluid control, realize service brake or brake off.
The driven gear of described main gearbox assembly is fixedly connected with inter-wheel differential by bolt, described main gearbox assembly driving gear is gear shaft structure, support by cylindrical roller bearing and two tapered roller bearings respectively its rear and front end, for the bearing seat of two tapered roller bearings is installed, by bolt, is fixedly connected with the supporting shell of main gearbox assembly; The rear end of described driving gear is provided with male splines and outside thread, the spline fitted on the lower end of described input driving flange and described driving gear, and fastening with jam nut.
Described left half axle assembly and right axle shaft assembly all adopt full-floating Hooke's joint vehicle wheel transmission structure.
Described wheel hub and planetary reduction gear adopt planetary gear speed-reduction drive mechanism.
On the supporting shell of described main gearbox assembly, be bolted an installation support plate, described hydraulic parking braking pincers are arranged on this installation support plate with bolt.
The described service brake dish with radiating groove is connected on wheel hub and planetary reduction gear by cone bolt.
On the journal stirrup of the rear portion of knuckle assembly, be provided with steering jack mounting hole, on the position after the middle part of described axle case assy is leaned on, be also provided with steering jack mounting hole.
Effective effect of the present invention:
(1) front-rear axle band hydraulic disc brake caliper, forward and backward bridge total braking force square reaches respectively 94000Nm, 47000 Nm, and easy to maintenance, propons carry input terminal hydraulic parking braking pincers, lock torque reaches 5022Nm, safe and reliable; This bridge has been given in these designs best intensity and service life.
(2) unique knuckle assembly and the articulated manner of axle case assy, adapt to the load change of cross-country road conditions;
(3) the skew bevel wheel auxiliary driving of high-bearing capacity, the transmittability of higher moment of torsion; The dual-ratio reduction bridge of wheel rim deceleration device, the ground Clearance of having strengthened car load, improved the rideability under bad working environments, strengthened the adaptive capacity to various road conditions; Large ratio coverage meets client's demand of specialty;
In sum, output torque of the present invention is large, load-carrying capacity is high, good cross-country ability, lock torque are large, and has good turning efficiency, and easily forms series of products.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the enlarged drawing of A portion in Fig. 2.
The specific embodiment
Now by reference to the accompanying drawings the present invention is described in further detail:
The steering drive axle for rough terrain wheeled crane as shown in Figure 1, Figure 2 and Figure 3, comprise axle case assy 1, be located at knuckle assembly 6 and wheel hub and the planetary reduction gear 8 on axle case assy 1 left end and right-hand member respectively, also comprise the inter-wheel differential, main gearbox assembly 2, left half axle assembly 4 and the right axle shaft assembly 16 that are located in axle case assy 1; Described main gearbox assembly 2 is connected with described inter-wheel differential;
One end of described left half axle assembly 4 is connected with the left half axle gear spline fitted of inter-wheel differential in main gearbox assembly 2, the other end of described left half axle assembly 4 be located at the wheel hub of axle case assy 1 left end and sun wheel 9 spline fitted of planetary reduction gear 8 are connected;
The right axle shaft gear spline of the inter-wheel differential in one end of described right axle shaft assembly 16 and main gearbox assembly 2 is connected, the other end of described right axle shaft assembly 16 be located at the wheel hub of axle case assy 1 right-hand member and sun wheel 9 spline fitted of planetary reduction gear 8 are connected;
Described knuckle assembly 6 is hinged by stub 5 and axle case assy 1, described stub 5 is bolted in knuckle assembly 6, described wheel hub is connected with knuckle assembly 6 with tapered roller bearing by spline with planetary reduction gear 8, on described wheel hub and planetary reduction gear 8, by cone bolt, the service brake dish 7 with radiating groove is installed, in described knuckle assembly 6, be provided with the hydraulic disc brake caliper 10 with described service brake dish 7 corresponding matching with radiating groove, this hydraulic disc brake caliper 10 with the service brake dish 7 of radiating groove, under fluid control, realize service brake or brake off,
Described main gearbox assembly 2 is the single reduction final drive of skew bevel wheel transmission, the driven gear 21 of described main gearbox assembly is fixedly connected with inter-wheel differential by bolt, described main gearbox assembly driving gear 20 is gear shaft structure, support by cylindrical roller bearing and two tapered roller bearings respectively its rear and front end, for the bearing seat 22 of two tapered roller bearings is installed, by bolt, is fixedly connected with the supporting shell 15 of main gearbox assembly 2; The rear end of described driving gear 20 is provided with male splines and outside thread, the spline fitted on the lower end of described input driving flange 13 and described driving gear 20, and fastening with jam nut 23.
On the supporting shell 15 of described main gearbox assembly 2, by support plate 12 is installed, hydraulic parking braking pincers 3 are installed, support plate 12 are installed and are fixed by bolts on the supporting shell 15 of main gearbox assembly 2, hydraulic parking braking pincers 3 are fixed by bolts to be installed on support plate 12; The input driving flange 13 of described main gearbox assembly 2 is provided with the braking during standstill dish 14 that clamps 3 corresponding matching with described hydraulic parking braking, and this braking during standstill dish 14 is realized braking during standstill or brake off with hydraulic parking braking pincers 3 under fluid control.
Also comprise that one turns to straight tie rod assembly 11, this turns to one end of straight tie rod assembly 11 to be connected with the anterior journal stirrup 17 in a knuckle assembly 6, and this turns to the other end of straight tie rod assembly 11 to be connected with the anterior journal stirrup 17 in another knuckle assembly 6.
On the rear portion of knuckle assembly 6 journal stirrup 18, be provided with steering jack mounting hole 19, on the position after the middle part of described axle case assy 1 is leaned on, be also provided with steering jack mounting hole 19.
Described left half axle assembly 4 and right axle shaft assembly 16 all adopt full-floating Hooke's joint wheel drive.Described wheel hub and planetary reduction gear 8 adopt planetary gear speed-reduction drive mechanism.Described axle case assy 1 adopts gravitational casting, has load-carrying capacity high, and lightweight feature.
Claims (9)
1. the steering drive axle for rough terrain wheeled crane, comprise axle case assy (1), be located at knuckle assembly (6) and wheel hub and the planetary reduction gear (8) on axle case assy (1) left end and right-hand member respectively, also comprise the inter-wheel differential, main gearbox assembly (2), left half axle assembly (4) and the right axle shaft assembly (16) that are located in axle case assy (1); Described main gearbox assembly (2) is connected with described inter-wheel differential;
One end of described left half axle assembly (4) and the left half axle gear of described inter-wheel differential are connected, the other end of described left half axle assembly (4) be located at the wheel hub of axle case assy (1) left end and the sun wheel (9) of planetary reduction gear (8) is connected;
One end of described right axle shaft assembly (16) and the right axle shaft gear of described inter-wheel differential are connected, the other end of described right axle shaft assembly (16) be located at the wheel hub of axle case assy (1) right-hand member and the sun wheel (9) of planetary reduction gear (8) is connected;
It is characterized in that:
The supporting shell (15) of described main gearbox assembly (2) is provided with hydraulic parking braking pincers (3), the input driving flange (13) of described main gearbox assembly (2) is provided with the braking during standstill dish (14) with described hydraulic parking braking pincers (3) corresponding matching, and this braking during standstill dish (14) is realized braking during standstill or brake off with hydraulic parking braking pincers (3) under fluid control.
2. the steering drive axle for rough terrain wheeled crane according to claim 1, it is characterized in that: also comprise that one turns to straight tie rod assembly (11), this turns to one end of straight tie rod assembly (11) to be connected with the anterior journal stirrup (17) in a knuckle assembly (6), and this turns to the other end of straight tie rod assembly (11) to be connected with the anterior journal stirrup (17) in another knuckle assembly (6).
3. the steering drive axle for rough terrain wheeled crane according to claim 1 and 2, it is characterized in that: described knuckle assembly (6) is hinged by stub (5) and axle case assy (1), described wheel hub is connected with knuckle assembly (6) with planetary reduction gear (8), described wheel hub and planetary reduction gear (8) are provided with the service brake dish (7) with radiating groove, described knuckle assembly (6) is provided with the hydraulic disc brake caliper (10) with described service brake dish (7) corresponding matching with radiating groove, this hydraulic disc brake caliper (10) with the service brake dish (7) of radiating groove, under fluid control, realize service brake or brake off.
4. the steering drive axle for rough terrain wheeled crane according to claim 1 and 2, it is characterized in that: described main gearbox assembly (2) is the single reduction final drive of skew bevel wheel transmission, the driven gear of described main gearbox assembly (21) is fixedly connected with inter-wheel differential by bolt, described main gearbox assembly driving gear (20) is gear shaft structure, support by cylindrical roller bearing and two tapered roller bearings respectively its rear and front end, for being installed, the bearing seat (22) of two tapered roller bearings is fixedly connected with the supporting shell (15) of main gearbox assembly (2) by bolt, the rear end of described driving gear (20) is provided with male splines and outside thread, the spline fitted on the lower end of described input driving flange (13) and described driving gear (20), and fastening with jam nut (23).
5. the steering drive axle for rough terrain wheeled crane according to claim 1 and 2, is characterized in that: described left half axle assembly (4) and right axle shaft assembly (16) all adopt full-floating Hooke's joint vehicle wheel transmission structure.
6. the steering drive axle for rough terrain wheeled crane according to claim 1 and 2, is characterized in that: described wheel hub and planetary reduction gear (8) adopt planetary gear speed-reduction drive mechanism.
7. the steering drive axle for rough terrain wheeled crane according to claim 1 and 2, it is characterized in that: on the supporting shell (15) of described main gearbox assembly (2), be bolted an installation support plate (12), described hydraulic parking braking pincers (3) are arranged on this installation support plate (12) with bolt.
8. the steering drive axle for rough terrain wheeled crane according to claim 3, is characterized in that: the described service brake dish (7) with radiating groove is connected on wheel hub and planetary reduction gear (8) by cone bolt.
9. the steering drive axle for rough terrain wheeled crane according to claim 1 and 2, it is characterized in that: on the rear portion journal stirrup (18) of knuckle assembly (6), be provided with steering jack mounting hole (19), on the position after the middle part of described axle case assy (1) is leaned on, be also provided with steering jack mounting hole (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410026586.9A CN103707717A (en) | 2014-01-21 | 2014-01-21 | Steering drive axle used in rough terrain wheeled crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410026586.9A CN103707717A (en) | 2014-01-21 | 2014-01-21 | Steering drive axle used in rough terrain wheeled crane |
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| Publication Number | Publication Date |
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| CN103707717A true CN103707717A (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410026586.9A Pending CN103707717A (en) | 2014-01-21 | 2014-01-21 | Steering drive axle used in rough terrain wheeled crane |
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| CN (1) | CN103707717A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020339A (en) * | 2015-07-31 | 2015-11-04 | 重庆大江工业有限责任公司 | Special vehicle fan transmission device |
| CN105270092A (en) * | 2015-10-23 | 2016-01-27 | 陕西东铭车辆系统股份有限公司 | Electric autombile driving axle with crank arm bearing beam structure |
| CN105291702A (en) * | 2015-11-19 | 2016-02-03 | 中国人民解放军空军勤务学院 | Airport lifting platform steering drive axle |
| CN106946160A (en) * | 2017-04-27 | 2017-07-14 | 浙江中建路桥设备有限公司 | A kind of drive wheel group of tire gantry crane |
| CN107914689A (en) * | 2017-11-08 | 2018-04-17 | 湖北航天技术研究院特种车辆技术中心 | A kind of parking braking system |
| CN108215696A (en) * | 2018-03-27 | 2018-06-29 | 四川川龙拖拉机制造有限公司 | A kind of levelling device, leveling steering and driving axle and tractor |
| CN109501782A (en) * | 2018-12-12 | 2019-03-22 | 三汽车制造有限公司 | The single brake type wheel undercarriage in left and right and unmanned platform truck |
| CN111716959A (en) * | 2020-06-29 | 2020-09-29 | 肥城市宇通机械有限公司 | Rear steering drive axle of cross-country forklift |
| CN113771554A (en) * | 2021-10-28 | 2021-12-10 | 江西江铃底盘股份有限公司 | Take drive axle assembly of main reducer parking structure |
| CN114228401A (en) * | 2021-12-14 | 2022-03-25 | 浙江林德车桥有限公司 | Steering drive axle for forklift |
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| CN2555176Y (en) * | 2002-07-31 | 2003-06-11 | 中国重型汽车集团有限公司 | Duplex axle for heavy lorry |
| CN201961101U (en) * | 2011-01-25 | 2011-09-07 | 青岛中瑞重工集团有限公司 | Drive rear axle for engineering machinery |
| CN202378642U (en) * | 2011-12-28 | 2012-08-15 | 中国重汽集团济南动力有限公司 | Single-stage speed reducing driving axle for light truck |
| CN202742990U (en) * | 2012-09-07 | 2013-02-20 | 重庆大江工业有限责任公司 | Heavy-duty car double-stage speed-reducing steering axle with hydraulic clamp disc brake |
| CN203681150U (en) * | 2014-01-21 | 2014-07-02 | 重庆大江工业有限责任公司 | Steering drive axle applied to rough terrain wheeled crane |
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2014
- 2014-01-21 CN CN201410026586.9A patent/CN103707717A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2555176Y (en) * | 2002-07-31 | 2003-06-11 | 中国重型汽车集团有限公司 | Duplex axle for heavy lorry |
| CN201961101U (en) * | 2011-01-25 | 2011-09-07 | 青岛中瑞重工集团有限公司 | Drive rear axle for engineering machinery |
| CN202378642U (en) * | 2011-12-28 | 2012-08-15 | 中国重汽集团济南动力有限公司 | Single-stage speed reducing driving axle for light truck |
| CN202742990U (en) * | 2012-09-07 | 2013-02-20 | 重庆大江工业有限责任公司 | Heavy-duty car double-stage speed-reducing steering axle with hydraulic clamp disc brake |
| CN203681150U (en) * | 2014-01-21 | 2014-07-02 | 重庆大江工业有限责任公司 | Steering drive axle applied to rough terrain wheeled crane |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020339A (en) * | 2015-07-31 | 2015-11-04 | 重庆大江工业有限责任公司 | Special vehicle fan transmission device |
| CN105020339B (en) * | 2015-07-31 | 2018-03-13 | 重庆大江工业有限责任公司 | Special vehicle fan transmission device |
| CN105270092A (en) * | 2015-10-23 | 2016-01-27 | 陕西东铭车辆系统股份有限公司 | Electric autombile driving axle with crank arm bearing beam structure |
| CN105291702A (en) * | 2015-11-19 | 2016-02-03 | 中国人民解放军空军勤务学院 | Airport lifting platform steering drive axle |
| CN106946160A (en) * | 2017-04-27 | 2017-07-14 | 浙江中建路桥设备有限公司 | A kind of drive wheel group of tire gantry crane |
| CN107914689A (en) * | 2017-11-08 | 2018-04-17 | 湖北航天技术研究院特种车辆技术中心 | A kind of parking braking system |
| CN108215696A (en) * | 2018-03-27 | 2018-06-29 | 四川川龙拖拉机制造有限公司 | A kind of levelling device, leveling steering and driving axle and tractor |
| CN108215696B (en) * | 2018-03-27 | 2023-12-15 | 四川川龙拖拉机制造有限公司 | Leveling device, leveling steering drive axle and tractor |
| CN109501782A (en) * | 2018-12-12 | 2019-03-22 | 三汽车制造有限公司 | The single brake type wheel undercarriage in left and right and unmanned platform truck |
| CN109501782B (en) * | 2018-12-12 | 2024-06-07 | 湖南省地面无人装备工程研究中心有限责任公司 | Left-right single-brake wheel type chassis and unmanned platform vehicle |
| CN111716959A (en) * | 2020-06-29 | 2020-09-29 | 肥城市宇通机械有限公司 | Rear steering drive axle of cross-country forklift |
| CN113771554A (en) * | 2021-10-28 | 2021-12-10 | 江西江铃底盘股份有限公司 | Take drive axle assembly of main reducer parking structure |
| CN114228401A (en) * | 2021-12-14 | 2022-03-25 | 浙江林德车桥有限公司 | Steering drive axle for forklift |
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Application publication date: 20140409 |
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