CN203567470U - Large-tonnage heavy type automobile steering driving axle - Google Patents
Large-tonnage heavy type automobile steering driving axle Download PDFInfo
- Publication number
- CN203567470U CN203567470U CN201320765509.6U CN201320765509U CN203567470U CN 203567470 U CN203567470 U CN 203567470U CN 201320765509 U CN201320765509 U CN 201320765509U CN 203567470 U CN203567470 U CN 203567470U
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- axle
- assembly
- parking brake
- bevel gear
- automobile steering
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Abstract
The utility model relates to a large-tonnage heavy type automobile steering driving axle. The automobile steering driving axle has the advantages that the structure is compact, the transmission ratio is high, the bearing capability is high, the integration is high, and the automobile steering driving axle is matched with automobiles different in wheel distances and suspension structures. The automobile steering driving axle comprises an axle casing assembly, a main speed reducer assembly and wheel rim assemblies, wherein the main speed reducer assembly is arranged in the middle part of the axle casing assembly, the wheel rim assemblies are arranged at the two ends of the axle casing assembly, the axle casing assembly comprises four steel plates and a back cover, the four steel plates are respectively welded together to form an axle casing body, the cross section of the axle casing body is provided with a rectangular cavity, the back cover is fixedly arranged at the back side of the axle casing body, the main speed reducer assembly comprises a main speed reducer casing, an input flange, a driving bevel gear, a driven bevel gear, a differential mechanism assembly, a parking brake, a brake mounting bracket and a parking brake disc, the parking brake disc is fixedly arranged on the flange end surface of the input flange, and an outer flange of the parking brake disc is arranged between two friction sheets of the parking brake.
Description
Technical field
The utility model relates to a kind of improvement of drive axle structure, particularly a kind of large-tonnage heavy motor vehicle steering drive axle.
Background technology
At present, domestic heavy motor vehicle, special purpose vehicle steering drive axle, variation is frequent, load-carrying capacity is strong and attached attaching parts (steering jack support, rotary angle transmitter support etc.) is many to require large, the whole bridge parameter of bridge overall ratio (wheelspan, center of suspension distance etc.), the change of axle housing mould is frequent, cost is higher, when production cycle length and general layout, easily interferes.
Utility model content
For deficiency of the prior art, the utility model provides a kind of novel steering drive axle, and its compact conformation, transmitting ratio is large, bearing capacity is strong, and integrated level is high, can mate the vehicle of different wheelspan and suspension frame structure.
In order to address the above problem, this kind of large-tonnage heavy motor vehicle steering drive axle, comprises axle case assy, is arranged on the main gearbox assembly at axle case assy middle part, and the wheel limit assembly that is arranged on axle case assy two ends,
This axle case assy comprises: four block plates and a bonnet, and four block plates are welded together to form respectively axle housing, and this axle housing cross section forms rectangular enclosure, and bonnet is fixed on this axle housing back side;
This main gearbox assembly comprises: final drive casing, input flange, drive bevel gear, by dynamic bevel gear, differential assembly, Parking Brake, drg mounting bracket and braking during standstill dish; Braking during standstill dish is fixed on the end face of flange of input flange, and the outer ring flange of this braking during standstill dish is arranged between two friction linings of Parking Brake, and this Parking Brake connects aerofoil by it and is connected with drg mounting bracket; Above this final drive casing, be provided with mounting hole, bottom surface is provided with differential bearing erecting bed, is provided with two lubriplates between the mounting hole of this reducing gearbox and differential bearing erecting bed; This lubriplate is splayed and its lateral surface undulate from top to bottom.
Preferably, described Parking Brake mounting bracket comprises: for the connecting portion that is connected with final drive casing and support portion for being connected with Parking Brake, a plurality of through holes on this connecting portion and the through hole on bevel housing top are bolted, the both sides of this support portion have extended L-type connecting arm, and the top of this connecting arm is provided with at least two-layer joint face.
Preferably, described this taken turns limit assembly and comprised: Hub assembly, double cardan universal joint axle, spindle nose, steering swivel, upper stub, lower stub, brake disc, Hub assembly comprise: wheel hub, wheel limit subtract shell, end cap and pinion carrier; Steering swivel is connected with lower stub by upper stub with yoke, and double cardan universal joint axle is by needle roller bearing support in the inner chamber of steering swivel and yoke, and brake disc is connected with wheel hub by bolt; This steering swivel and the moulding of spindle nose integrally casting; This wheel hub subtracts the moulding of shell integrally casting with wheel limit; This pinion carrier and the moulding of end cap integrally casting, end cap is connected with wheel hub by bolt.
Preferably, the thickness of described every block plate is 12～30mm; And be welded with servo cylinder support on the bridge tube of the Qiao Bao both sides of axle housing.
More preferably, described drive bevel gear and be double curved surface finishing bevel gear cuter by dynamic bevel gear, transmission velocity ratio scope 3.5～4.8; Described is 315mm by the reference diameter of dynamic bevel gear.
The beneficial effects of the utility model are:
1, by this axle housing is adopted to split-type design, can effectively reduce Drive axle housing productive costs, simplify axle housing and production process, by inside and outside many weld seams, strengthen the bulk strength of axle housing.
2, by the setting of multi-form reinforced rib is set in the final drive casing of main gearbox assembly, when strengthening reducing gearbox rigidity of support, improved the heat-sinking capability of main gearbox assembly.
3, by steering swivel and spindle nose, adopt integral structure, shorten integral installation length, and saved the tie bolt of spindle nose and steering swivel.Wheel hub subtracts shell with wheel limit and adopts integral structure, is conducive to improve whole bridge intensity.Pinion carrier and end cap adopt integral structure, have saved wheel limit end cap, and easy to maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of facing of motor turning drive axle in the utility model;
Fig. 2 is the plan structure schematic diagram of the motor turning drive axle in the utility model, and main gearbox assembly is wherein with Parking Brake;
Fig. 3 is the side-looking sectional structure schematic diagram of the motor turning drive axle in the utility model;
Fig. 4 is the sectional structure schematic diagram of the main gearbox assembly with Parking Brake in the utility model;
Fig. 5 is the structural representation of the Parking Brake support in the utility model;
Fig. 6 is the perspective view of the reducing gearbox in the main gearbox assembly in the utility model;
Fig. 7 is the sectional structure schematic diagram of the wheel limit assembly in the utility model;
Fig. 8 is the structural representation of the steering swivel with spindle nose in the utility model;
Fig. 9 is the structural representation that the band portion wheel limit in the utility model subtracts the wheel hub of shell;
Figure 10 is the perspective view of the end cap with pinion carrier in the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As depicted in figs. 1 and 2, the automobile-used large-tonnage steering drive axle of new special of the present utility model, can meet the severe applying working condition of some special purpose vehicle, comprising: axle case assy 2, be arranged on the main gearbox assembly 3 at axle case assy middle part, and the wheel limit assembly 1 that is arranged on axle case assy two ends.On this main gearbox assembly, be integrated with Parking Brake.
In conjunction with Fig. 2 and Fig. 3, this axle case assy adopts welding structure.Comprise: four block plates 21 and bonnet 22, four block plates are welded together to form respectively axle housing, this axle housing cross section forms rectangular enclosure, and bonnet is fixed on this axle housing back side.This bridge tube adopts square seam and yoke welding.The thickness of described every block plate is 12～30mm.And be welded with servo cylinder support 23 on the bridge tube of the Qiao Bao both sides of axle housing.By this axle housing is adopted to split-type design, can effectively reduce Drive axle housing productive costs, simplify axle housing and production process, by inside and outside many weld seams, strengthen the bulk strength of axle housing.
In conjunction with Fig. 4 and Fig. 5, this main gearbox assembly comprises: final drive casing 31, be arranged on drive bevel gear 33 in housing, by dynamic bevel gear 34, differential assembly 35, and be arranged on the input flange 38 on housing.This differential assembly 35 comprises satellite gear 36, center cross 37, axle side gear and differential gear box 39.Described drive bevel gear 33 is arranged on reducer shell top by a pair of taper roller, by dynamic bevel gear 34 and differential assembly 35, be bolted fixingly, differential assembly 35 is connected on the differential bearing erecting bed of final drive casing 31 by a pair of tapered roller bearing.Above this final drive casing, be provided with mounting hole 31a, bottom surface is provided with differential bearing erecting bed 311.Between the mounting hole 31a of this reducing gearbox and differential bearing erecting bed 311, be provided with two lubriplates 31.This lubriplate is splayed and its lateral surface undulate from top to bottom.On the outer wall of described reducing gearbox, and between its mounting hole 31a and bottom surface mounting flange, be provided with many first reinforced ribs.This main gearbox assembly also comprises Parking Brake 4, drg mounting bracket 36 and braking during standstill dish 37, braking during standstill dish 37 is fixed on the end face of flange of input flange 38, and the outer ring flange of this braking during standstill dish 37 is arranged between two friction linings of Parking Brake 35.
As shown in Figure 5, this kind of Parking Brake mounting bracket 36, it comprises: for the connecting portion 361 that is connected with bevel housing and support portion 362 for being connected with Parking Brake, interior circular shape on this connecting portion 361 is corresponding with the outer wall shape of bevel housing, hole by a plurality of through holes on this connecting portion 361 and bevel housing top is bolted, the both sides of this support portion 362 have extended L-type connecting arm, the top of this connecting arm is provided with at least two-layer joint face 363, Parking Brake 4 connects aerofoil by it and this joint face 363 is bolted.
In conjunction with Fig. 6 to Figure 10, this is taken turns limit assembly and comprises: Hub assembly, double cardan universal joint axle 11, spindle nose, steering swivel 16, upper stub 12, lower stub 13, brake disc 17, Hub assembly comprise: wheel hub 19, wheel limit subtract shell, end cap 14 and pinion carrier.Steering swivel 16 is connected with lower stub 13 by upper stub 12 with yoke, and double cardan universal joint axle 11 is by needle roller bearing support in the inner chamber of steering swivel 16 and yoke, and brake disc 17 is connected with wheel hub 19 by bolt.In conjunction with Fig. 8 to 10, this steering swivel 16 and the moulding of spindle nose integrally casting, this wheel hub 19 subtracts the moulding of shell integrally casting with wheel limit, this pinion carrier and end cap 14 integrally casting moulding, end cap 14 is connected with wheel hub by bolt.This bridge wheel limit assembly also comprises sun wheel 15 and satellite gear 18, sun wheel 15 and satellite gear 18 are separately positioned in pinion carrier, sun wheel 15 use spacer shells 116 are connected with double cardan universal joint axle 11 by spline with tie bolt 118, with double cardan universal joint axle 11, rotate.
By steering swivel and spindle nose, adopt integral structure, shorten integral installation length, and saved the tie bolt of spindle nose and steering swivel.Wheel hub subtracts shell with wheel limit and adopts integral structure, is conducive to improve whole bridge intensity.Pinion carrier and end cap adopt integral structure, have saved wheel limit end cap, and easy to maintenance.
Above-mentioned drive bevel gear 33 and be double curved surface finishing bevel gear cuter by dynamic bevel gear 34, transmission velocity ratio scope 3.5～4.8.Described is 315mm by the reference diameter of dynamic bevel gear 34.
It should be noted that; the specific embodiment is only to the explanation of technical solutions of the utility model and explanation; should not be understood as the restriction to technical solutions of the utility model; any employing the technical solution of the utility model and only do local change, must fall in protection domain of the present utility model.
Claims (5)
1. a large-tonnage heavy motor vehicle steering drive axle, comprises axle case assy (2), is arranged on the main gearbox assembly (3) at axle case assy middle part, and the wheel limit assembly (1) that is arranged on axle case assy two ends, it is characterized in that:
This axle case assy comprises: four block plates (21) and a bonnet (22), and four block plates are welded together to form respectively axle housing, and this axle housing cross section forms rectangular enclosure, and bonnet is fixed on this axle housing back side;
This main gearbox assembly comprises: final drive casing (31), input flange (38), drive bevel gear (33), by dynamic bevel gear (34), differential assembly (35), Parking Brake (4), drg mounting bracket (36) and braking during standstill dish (37); Braking during standstill dish (37) is fixed on the end face of flange of input flange (38), the outer ring flange of this braking during standstill dish (37) is arranged between two friction linings of Parking Brake (35), and this Parking Brake (35) connects aerofoil by it and is connected with drg mounting bracket (36); Above this final drive casing, be provided with mounting hole (31a), bottom surface is provided with differential bearing erecting bed (311), between the mounting hole of this reducing gearbox (31a) and differential bearing erecting bed (311), is provided with two lubriplates (312); This lubriplate is splayed and its lateral surface undulate from top to bottom.
2. large-tonnage heavy motor vehicle steering drive axle according to claim 1, it is characterized in that: described Parking Brake mounting bracket (36) comprising: for the connecting portion (361) that is connected with final drive casing and support portion (362) for being connected with Parking Brake, a plurality of through holes on this connecting portion (361) and the through hole on bevel housing top are bolted, the both sides of this support portion (362) have extended L-type connecting arm, and the top of this connecting arm is provided with at least two-layer joint face (363).
3. large-tonnage heavy motor vehicle steering drive axle according to claim 1, is characterized in that: described this taken turns limit assembly and comprised: Hub assembly, double cardan universal joint axle (11), spindle nose, steering swivel (16), upper stub (12), lower stub (13), brake disc (17), Hub assembly comprise: wheel hub (19), wheel limit subtract shell, end cap (14) and pinion carrier; Steering swivel (16) is connected with lower stub (13) by upper stub (12) with yoke, and double cardan universal joint axle (11) is by needle roller bearing support in the inner chamber of steering swivel (16) and yoke, and brake disc (17) is connected with wheel hub (19) by bolt; This steering swivel (16) and the moulding of spindle nose integrally casting; This wheel hub (19) subtracts the moulding of shell integrally casting with wheel limit; This pinion carrier and end cap (14) integrally casting moulding, end cap (14) is connected with wheel hub by bolt.
4. large-tonnage heavy motor vehicle steering drive axle according to claim 1, is characterized in that: the thickness of described every block plate is 12～30mm; And be welded with servo cylinder support (23) on the bridge tube of the Qiao Bao both sides of axle housing.
5. large-tonnage heavy motor vehicle steering drive axle according to claim 1, is characterized in that: described drive bevel gear (33) and be double curved surface finishing bevel gear cuter, transmission velocity ratio scope 3.5～4.8 by dynamic bevel gear (34); The described reference diameter by dynamic bevel gear (34) is 315mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320765509.6U CN203567470U (en) | 2013-11-26 | 2013-11-26 | Large-tonnage heavy type automobile steering driving axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320765509.6U CN203567470U (en) | 2013-11-26 | 2013-11-26 | Large-tonnage heavy type automobile steering driving axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203567470U true CN203567470U (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320765509.6U Expired - Fee Related CN203567470U (en) | 2013-11-26 | 2013-11-26 | Large-tonnage heavy type automobile steering driving axle |
Country Status (1)
| Country | Link |
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| CN (1) | CN203567470U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104385911A (en) * | 2014-11-24 | 2015-03-04 | 南京创捷和信汽车零部件有限公司 | Front steering drive axle for large tractor |
| CN104669935A (en) * | 2013-11-26 | 2015-06-03 | 陕西汉德车桥有限公司 | Automobile steering drive axle |
| US20160158879A1 (en) * | 2014-07-25 | 2016-06-09 | Arvinmeritor Technology, Llc | Method of Making a Bracket Assembly for a Brake Assembly |
| CN105966239A (en) * | 2015-03-13 | 2016-09-28 | 通用汽车环球科技运作有限责任公司 | Rear drive module assembly and system for mounting to a vehicle |
| CN109340340A (en) * | 2018-10-22 | 2019-02-15 | 汽解放汽车有限公司 | A kind of hub reduction dual-range axle |
| CN109798349A (en) * | 2019-03-19 | 2019-05-24 | 徐工集团工程机械有限公司 | Right angle gear box assembly and special vehicle |
| CN114087349A (en) * | 2021-11-19 | 2022-02-25 | 一汽解放汽车有限公司 | Vehicle drive axle assembly |
| CN116691828A (en) * | 2023-08-04 | 2023-09-05 | 临工重机股份有限公司 | Steering mechanism and mining car |
-
2013
- 2013-11-26 CN CN201320765509.6U patent/CN203567470U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104669935A (en) * | 2013-11-26 | 2015-06-03 | 陕西汉德车桥有限公司 | Automobile steering drive axle |
| US9649720B2 (en) * | 2014-07-25 | 2017-05-16 | Arvinmeritor Technology, Llc | Method of making a bracket assembly for a brake assembly |
| US20160158879A1 (en) * | 2014-07-25 | 2016-06-09 | Arvinmeritor Technology, Llc | Method of Making a Bracket Assembly for a Brake Assembly |
| CN104385911A (en) * | 2014-11-24 | 2015-03-04 | 南京创捷和信汽车零部件有限公司 | Front steering drive axle for large tractor |
| CN104385911B (en) * | 2014-11-24 | 2017-03-15 | 南京创捷和信汽车零部件有限公司 | Large tractor front steering drive axle |
| CN105966239B (en) * | 2015-03-13 | 2018-11-02 | 通用汽车环球科技运作有限责任公司 | For installation into the rear portion drive module component and system of vehicle |
| CN105966239A (en) * | 2015-03-13 | 2016-09-28 | 通用汽车环球科技运作有限责任公司 | Rear drive module assembly and system for mounting to a vehicle |
| CN109340340A (en) * | 2018-10-22 | 2019-02-15 | 汽解放汽车有限公司 | A kind of hub reduction dual-range axle |
| CN109340340B (en) * | 2018-10-22 | 2024-02-23 | 一汽解放汽车有限公司 | Wheel-side speed-reducing double-speed driving axle |
| CN109798349A (en) * | 2019-03-19 | 2019-05-24 | 徐工集团工程机械有限公司 | Right angle gear box assembly and special vehicle |
| CN114087349A (en) * | 2021-11-19 | 2022-02-25 | 一汽解放汽车有限公司 | Vehicle drive axle assembly |
| CN114087349B (en) * | 2021-11-19 | 2023-12-29 | 一汽解放汽车有限公司 | Vehicle drive axle assembly |
| CN116691828A (en) * | 2023-08-04 | 2023-09-05 | 临工重机股份有限公司 | Steering mechanism and mining car |
| CN116691828B (en) * | 2023-08-04 | 2023-10-27 | 临工重机股份有限公司 | Steering mechanism and mining car |
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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: 20140430 Termination date: 20161126 |