CN203681150U - Steering drive axle applied to rough terrain wheeled crane - Google Patents
Steering drive axle applied to rough terrain wheeled crane Download PDFInfo
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- CN203681150U CN203681150U CN201420036321.2U CN201420036321U CN203681150U CN 203681150 U CN203681150 U CN 203681150U CN 201420036321 U CN201420036321 U CN 201420036321U CN 203681150 U CN203681150 U CN 203681150U
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- rough terrain
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- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 abstract 4
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000013341 scale-up Methods 0.000 description 1
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Abstract
The utility model relates to a steering drive axle applied to a rough terrain wheeled crane. The steering drive axle comprises an axle case assembly, a knuckle assembly, hubs, a planetary reducer, differential between wheels, a main reducer assembly, a left half axle assembly and a right half axle assembly. A hydraulic parking brake caliper is arranged on a bearing shell of the main reducer assembly, an input transmission flange of the main reducer assembly is provided with a parking brake disc correspondingly matched with the hydraulic parking brake caliper, and the parking brake disc and the hydraulic parking brake caliper achieve parking brake or brake relief under the hydraulic control. The steering drive axle is large in output torque, high in bearing capacity, good in cross-country ability, large in brake torque, and good in steering performance.
Description
Technical field
The utility model relates to automobile component, is 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 the Full Rotary hoisting crane of one on the special chassis of scale-up version tire and wheel shaft composition, its superstructure and crawler crane are basic identical, the stability of fuselage when ensureing 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 purpose of this utility model is to provide a kind of steering drive axle for rough terrain wheeled crane, and 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 described in the utility model, 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;
The left half axle gear of the inter-wheel differential in one end and the main gearbox assembly of described left half axle assembly is 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;
The right axle shaft gear of the inter-wheel differential in one end and the main gearbox assembly of described right axle shaft assembly is 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, and this hydraulic disc brake caliper is realized service brake or brake off with the service brake dish with radiating groove under fluid control.
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, its rear and front end by cylindrical roller bearing and the supporting of two tapered roller bearings, is fixedly connected with the supporting shell of main gearbox assembly by bolt for the bearing seat that two tapered roller bearings are installed respectively; 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 utility model:
(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, adapts 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, improve the rideability under bad working environments, strengthen the adaptive capacity to various road conditions; Large ratio coverage meets client's demand of specialty;
In sum, output torque of the present utility model 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.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the enlarged drawing of A portion in Fig. 2.
Detailed description of the invention
Now by reference to the accompanying drawings the utility model 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 the 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 is realized service brake or brake off with the service brake dish 7 with radiating groove under fluid control,
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, its rear and front end by cylindrical roller bearing and the supporting of two tapered roller bearings, is fixedly connected with the supporting shell 15 of main gearbox assembly 2 by bolt for the bearing seat 22 that two tapered roller bearings are installed respectively; 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 under fluid control, realize service brake or brake off with the service brake dish (7) of radiating groove.
4. the steering drive axle for rough terrain wheeled crane according to claim 1 and 2, it is characterized in that: the single reduction final drive that described main gearbox assembly (2) is 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, its rear and front end is respectively by cylindrical roller bearing and the supporting of two tapered roller bearings, be fixedly connected with the supporting shell (15) of main gearbox assembly (2) by bolt for the bearing seat (22) that two tapered roller bearings are installed, 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 |
|---|---|---|---|
| CN201420036321.2U CN203681150U (en) | 2014-01-21 | 2014-01-21 | Steering drive axle applied to rough terrain wheeled crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420036321.2U CN203681150U (en) | 2014-01-21 | 2014-01-21 | Steering drive axle applied to rough terrain wheeled crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203681150U true CN203681150U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420036321.2U Expired - Lifetime CN203681150U (en) | 2014-01-21 | 2014-01-21 | Steering drive axle applied to rough terrain wheeled crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203681150U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707717A (en) * | 2014-01-21 | 2014-04-09 | 重庆大江工业有限责任公司 | Steering drive axle used in rough terrain wheeled crane |
| CN104163199A (en) * | 2014-08-14 | 2014-11-26 | 青州迈特车桥制造有限公司 | Hydraulic steering four-wheel drive axle of plant protection machine |
| 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 |
| CN108263209A (en) * | 2018-03-15 | 2018-07-10 | 泉州臻美智能科技有限公司 | Automobile front drive axle driving mechanism for anti-sideslip safe and stable automobile |
| CN112572374A (en) * | 2019-09-30 | 2021-03-30 | 北京中资燕京汽车有限公司 | Hub reduction gear assembly and wheel assembly |
-
2014
- 2014-01-21 CN CN201420036321.2U patent/CN203681150U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707717A (en) * | 2014-01-21 | 2014-04-09 | 重庆大江工业有限责任公司 | Steering drive axle used in rough terrain wheeled crane |
| CN104163199A (en) * | 2014-08-14 | 2014-11-26 | 青州迈特车桥制造有限公司 | Hydraulic steering four-wheel drive axle of plant protection machine |
| CN108263209A (en) * | 2018-03-15 | 2018-07-10 | 泉州臻美智能科技有限公司 | Automobile front drive axle driving mechanism for anti-sideslip safe and stable automobile |
| 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 |
| CN112572374A (en) * | 2019-09-30 | 2021-03-30 | 北京中资燕京汽车有限公司 | Hub reduction gear assembly and wheel assembly |
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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: 20190515 Address after: 401321 Fenghua Road, Yudong, Banan District, Chongqing, 901 Patentee after: CHONGQING DAJIANG AXLE Co.,Ltd. Address before: 401321 Dajiang Industrial Park, Yudong Town, Banan District, Chongqing Patentee before: CHONGQING DAJIANG INDUSTRY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
|
| CX01 | Expiry of patent term |