CN105864390A - Wheel-side differential lock axle - Google Patents
Wheel-side differential lock axle Download PDFInfo
- Publication number
- CN105864390A CN105864390A CN201610419732.3A CN201610419732A CN105864390A CN 105864390 A CN105864390 A CN 105864390A CN 201610419732 A CN201610419732 A CN 201610419732A CN 105864390 A CN105864390 A CN 105864390A
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- assembly
- differential
- axle
- wheel
- differential lock
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- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000009699 differential effect Effects 0.000 claims abstract description 6
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 239000011324 bead Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 abstract 3
- 239000000969 carrier Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/22—Arrangements for suppressing or influencing the differential action, e.g. locking devices using friction clutches or brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/121—Power-transmission from drive shaft to hub
- B60B35/122—Power-transmission from drive shaft to hub using gearings
- B60B35/125—Power-transmission from drive shaft to hub using gearings of the planetary type
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention relates to a wheel-side differential lock axle for an engineering vehicle and belongs to the technical field of manufacturing of engineering vehicle chassis type rear axle assemblies. The wheel-side differential lock axle comprises a rear axle housing assembly, a main reducer assembly, a hub brake drum assembly, a brake assembly and a half axle, wherein the main reducer assembly comprises a main reducer housing, a working cylinder assembly, a shifting fork shaft, a shifting fork, a fixed meshing sleeve, a slidable meshing sleeve, a half axle gear, a left differential carrier, a right differential carrier, a driven bevel gear, a cross axle, a planet gear, a drive bevel gear, a flange assembly and the like. The wheel-side differential lock axle has the advantages that when the wheels of the engineering vehicle traveling on a road surface with bad working conditions slip, the meshing sleeves of the differential lock structure allow the differential carriers and the half axle to be integrally connected so as to allow a differential mechanism to lose the differential effect temporarily, and the vehicle can travel normally; the wheel-side differential lock axle is high in bearing capacity, high in fatigue resistance, good in brake performance and the like, the passing capacity of the whole engineering vehicle is good, and the wheel-side differential lock axle is suitable for being used by various engineering vehicles in construction sites of various working conditions.
Description
Technical field
The present invention relates to the wheel limit differential lock vehicle bridge of a kind of engineering truck, belong to the rear axle assy manufacturing technology field of engineering truck chassis class.
Background technology
The job site of existing various engineering construction, due to long-term the rolling of large engineering vehicle, water, earth and other raw-material impacts when adding construction, the work condition environment making job site is the most poor, road is muddy, and hollow is more, causes engineering truck the phenomenon of wheel-slip often occur.Due on the back axle of engineering automobiles equipped with differential mechanism, can rotate in original place during certain wheel-slip, not only make this vehicle to walk, also affect the current of subsequent vehicle, also can accelerate the Fast Wearing of tire.Therefore, it is necessary to design a kind of function that can change differential mechanism differential, solving engineering automobiles cannot the engineering truck of walk problem when work condition environment poor (such as muddy road).
Summary of the invention
It is an object of the invention to, for above-mentioned the deficiencies in the prior art, there is provided a kind of when engineering automobiles is at the poor road traveling of work condition environment, when there is skidding in automobile tire, differential carrier is made to be connected with semiaxis by the engaging sleeve of differential lock structure, make differential mechanism be temporarily lost with differential action, thus ensure the wheel limit differential lock vehicle bridge that vehicle can normally travel.
The present invention is to realize above-mentioned purpose by the following technical solutions:
nullThis takes turns limit differential lock vehicle bridge by rear axle housing assembly、Main gearbox assembly、Wheel hub brake drum assembly、Brake assembly、Semiaxis and differential lock are constituted，Main gearbox assembly is contained in the middle part of rear axle housing assembly，The two ends of rear axle housing assembly are respectively provided with wheel hub brake drum assembly and brake assembly，Two brake assemblies are connected with wheel hub brake drum assembly by semiaxis，It is characterized in that: described main gearbox assembly is by final drive casing、Differential lock、Adjuster, diff. bearing、Snap ring、Differential bearing lid、Axle shaft gear、Differential carrier、Driven wheel of differential、Cross axle、Planetary gear、Differential bearing、Drive bevel gear、Bearing block、Oil seal seat and bead assembly composition，Final drive casing is arranged in drive bevel gear by bearing block and bearing assembly，Oil seal seat and oil seal assembly are contained on bearing block，Bead assembly is contained in drive bevel gear front end；Being provided with cross axle and planetary side gear in the differential carrier of drive bevel gear rear end, driven wheel of differential is arranged in the differential carrier on the left side, and differential lock is arranged on final drive casing.
Described differential lock by working cylinder assembly 2-2, fork axle 2-3, fork 2-4, fixed engagement set 2-6, slidably engage set 2-7 and pressure switch constitute, working cylinder assembly 2-2 is arranged on final drive casing 2-1, fork 2-4 is arranged in final drive casing 2-1 by fork axle 2-3, the other end of fork 2-4 is connected with slidably engaging set 2-7, fixed engagement set 2-6 is arranged on differential carrier 2-11 by fixed engagement set snap ring, and fixed engagement set 2-6 is engaged by engaging tooth with slidably engaging set 2-7.
Described rear axle housing assembly is made up of rear axle housing, axle tube, back axle cap assembly, breather plug assembly, axle-shaft oil seal, on the flange face of the arranged on left and right sides that brake assembly is arranged on rear axle housing assembly, wheel hub brake drum assembly is contained on the central siphon of semiaxis, slidably engage after set is enclosed within semiaxis, be directly connected on wheel hub.
When the road surface bad by road conditions, after single wheel loses and grabs ground, being equivalently employed without resistance, the wheel of opposite side is equivalent to be fixed on there, and what the normal traveling of vehicle was played by differential mechanism is a retroaction；At this moment differential lock plays one and forces intervention, differential mechanism is allowed to fail, by to working cylinder assembly air pressure, drive fork, make to slidably engage set and fixed engagement set and differential carrier locking is integral, make differential mechanism lose differential action, refuse to transfer on opposite side driving wheel all turning round, it is ensured that the normal traveling of car load.
The present invention having the beneficial effects that compared with prior art:
This is taken turns limit differential lock vehicle bridge and uses one-level hyperboloid gear with curved teeth deceleration device, brake is that internal expansion type neck is from shoe type, involute S-cam, energy storage type spring brake chamber, wheel hub is supported on axle tube by two taper roll bearings, and the degree of tightness of bearing can adjust with adjusting nut.When engineering automobiles is at the poor road traveling of work condition environment, when skidding occurs in automobile tire, makes differential carrier be connected with semiaxis by the engaging sleeve of differential lock structure, make differential mechanism be temporarily lost with differential action, thus ensure that vehicle can normally travel.This is taken turns limit differential lock vehicle bridge and has bearing capacity by force, and fatigue resistance is high, the advantages such as braking ability is good, and car load is good by performance.It is applicable to various engineering truck use in the building site of various operating modes.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of wheel limit differential lock vehicle bridge；
Fig. 2 is the plan structure schematic diagram of wheel limit differential lock vehicle bridge；
Fig. 3 is the sectional structure schematic diagram of wheel limit differential lock vehicle bridge；
Fig. 4 is the sectional structure schematic diagram of main gearbox assembly.
nullIn figure: 1、Rear axle housing assembly，1-1、Rear axle housing，1-2、Axle tube，1-3、Back axle cap assembly，1-4、Breather plug assembly，1-5、Axle-shaft oil seal，2、Main gearbox assembly，2-1、Final drive casing，2-2、Working cylinder assembly，2-3、Fork axle，2-4、Fork，2-5、Adjuster, diff. bearing，2-6、Fixed engagement set，2-7、Slidably engage set，2-8、Snap ring，2-9、Differential bearing lid，2-10、Axle shaft gear，2-11、Differential carrier，2-12、Driven wheel of differential，2-13、Cross axle，2-14、Planetary gear，2-15、Differential bearing，2-16、Drive bevel gear，2-17、Bearing block，2-18、Oil seal seat，2-19、Bead assembly，3、Wheel hub brake drum assembly，4、Brake assembly，5、Semiaxis.
Detailed description of the invention
nullThis takes turns limit differential lock vehicle bridge by rear axle housing assembly 1、Main gearbox assembly 2、Wheel hub brake drum assembly 3、Brake assembly 4 and semiaxis 5 and differential lock are constituted，Main gearbox assembly 2 is contained in the middle part of rear axle housing assembly 1，The two ends of rear axle housing assembly 1 are respectively provided with wheel hub brake drum assembly 3 and brake assembly 4，Two brake assemblies 4 are connected with wheel hub brake drum assembly 3 by semiaxis 5，It is characterized in that: described main gearbox assembly 2 is by final drive casing 2-1、Differential lock、Adjuster, diff. bearing 2-5、Snap ring 2-8、Differential bearing lid 2-9、Axle shaft gear 2-10、Differential carrier 2-11、Driven wheel of differential 2-12、Cross axle 2-13、Planetary gear 2-14、Differential bearing 2-15、Drive bevel gear 2-16、Bearing block 2-17、Oil seal seat 2-18 and bead assembly 2-19 composition，Final drive casing 2-1 is arranged in drive bevel gear 2-16 by bearing block 2-17 and bearing assembly，Oil seal seat 2-18 and oil seal assembly are contained on bearing block 2-17，Bead assembly 2-19 is contained in drive bevel gear 2-16 front end；Being provided with cross axle 2-13 and axle shaft gear 2-10 and planetary gear 2-14 in the differential carrier 2-11 of drive bevel gear 2-16 rear end, driven wheel of differential 2-12 is arranged in the differential carrier 2-11 on the left side, and differential lock is arranged on final drive casing 2-1.Equipped with the planetary gear 2-14 engaged with axle shaft gear 2-10 on described cross axle 2-13, the both sides of differential carrier 2-11 are equipped with differential bearing 2-15 and differential bearing lid 2-9, equipped with adjuster, diff. bearing 2-5 and snap ring 2-8 on differential bearing lid 2-9, fixed engagement set 2-6 and driven wheel of differential 2-12 is arranged in the differential carrier 2-11 on the left side, and fork 2-4, fork axle 2-3, circular section compression spring, working cylinder assembly 2-2, pressure switch are arranged on final drive casing 2-1.
Described differential lock by working cylinder assembly 2-2, fork axle 2-3, fork 2-4, fixed engagement set 2-6, slidably engage set 2-7 and pressure switch constitute, working cylinder assembly 2-2 is arranged on final drive casing 2-1, fork 2-4 is arranged in final drive casing 2-1 by fork axle 2-3, the other end of fork 2-4 is connected with slidably engaging set 2-7, fixed engagement set 2-6 is arranged on differential carrier 2-11 by fixed engagement set snap ring, and fixed engagement set 2-6 is engaged by engaging tooth with slidably engaging set 2-7.
Described rear axle housing assembly is made up of rear axle housing 1-1, axle tube 1-2, back axle cap assembly, breather plug assembly 1-4, axle-shaft oil seal 1-5, on the flange face of the arranged on left and right sides that brake assembly 4 is arranged on rear axle housing assembly 1, wheel hub brake drum assembly 3 is contained on axle tube 1-2, slidably engage after set is enclosed within semiaxis 5, be directly connected on wheel hub.
This operation principle taking turns limit differential lock vehicle bridge is, the power of electromotor exports main gearbox assembly 2 through variator, the power that variator exports is slowed down by main gearbox assembly 2 again, to increase torque, through bead assembly 2-19, pass to drive bevel gear 2-16, after driven wheel of differential 2-12 slows down, pass to differential mechanism.
When automobile is at straight-line travelling, the driven wheel of differential 2-12 of main gearbox assembly 2 drives differential carrier 2-11 to rotate, differential carrier 2-11 drives planetary gear axle to rotate, planetary gear axle drives planetary gear 2-14 revolution, axle shaft gear 2-10 is synchronized rotating Vortex under the clamping of planetary gear 2-14, and now, planetary gear 2-14 only revolves round the sun, not automatic, left and right wheels and the rotating speed rotating speed equal to driven wheel of differential 2-12；When automobile turning, planetary gear 2-14 is while revolution, create rotation, i.e. around the rotation of cross axle 2-13, cause the increase of side axle shaft gear 2-10 rotating speed, and the reduction of opposite side axle shaft gear 2-10 rotating speed, both sides wheel rotates with different rotating speeds, now, the rotating speed that the rotating speed that single wheel increases reduces equal to opposite side wheel.
When the road surface bad by road conditions, after single wheel loses and grabs ground, being equivalently employed without resistance, the wheel of opposite side is equivalent to be fixed on there, and what this time, the normal traveling of vehicle was played by differential mechanism is a retroaction, it is no longer necessary to differential mechanism.The effect of differential lock is equivalent to one to be forced to intervene, and allows differential mechanism fail.At this moment, by working cylinder assembly 2-2 air pressure, fork 2-4 is driven, make to slidably engage set 2-7 and fixed engagement set 2-6 and differential carrier 2-11 locking is integral, make differential mechanism lose differential action, thus can refuse to transfer on opposite side driving wheel all turning round, it is ensured that the normal traveling of car load.
This is taken turns limit differential lock vehicle bridge and is applicable to various engineering truck and various engineering-environment, and principle is simple, and running efficiency is high, overcomes existing engineering truck back axle road surface handling capacity not strong, causes by the inefficient problem of property.
The above is presently preferred embodiments of the present invention, the example above explanation not flesh and blood to the present invention makees any pro forma restriction, person of an ordinary skill in the technical field's any simple modification that above detailed description of the invention has been made by the technical spirit of the foundation present invention after having read this specification or deformation, and the technology contents possibly also with the disclosure above is changed or is modified to the Equivalent embodiments of equivalent variations, all still fall within the range of technical solution of the present invention, without departing from the spirit and scope of the invention.
Claims (4)
- null1. a wheel limit differential lock vehicle bridge，It is by rear axle housing assembly (1)、Main gearbox assembly (2)、Wheel hub brake drum assembly (3)、Brake assembly (4) and semiaxis (5) and differential lock are constituted，Main gearbox assembly (2) is contained in the middle part of rear axle housing assembly (1)，The two ends of rear axle housing assembly (1) are respectively provided with wheel hub brake drum assembly (3) and brake assembly (4)，Two brake assemblies (4) are connected with wheel hub brake drum assembly (3) by semiaxis (5)，It is characterized in that: described main gearbox assembly (2) is by final drive casing (2-1)、Differential lock、Adjuster, diff. bearing (2-5)、Snap ring (2-8)、Differential bearing lid (2-9)、Axle shaft gear (2-10)、Differential carrier (2-11)、Driven wheel of differential (2-12)、Cross axle (2-13)、Planetary gear (2-14)、Differential bearing (2-15)、Drive bevel gear (2-16)、Bearing block (2-17)、Oil seal seat (2-18) and bead assembly (2-19) composition，Final drive casing (2-1) is arranged in drive bevel gear (2-16) by bearing block (2-17) and bearing assembly，Oil seal seat (2-18) and oil seal assembly are contained on bearing block (2-17)，Bead assembly (2-19) is contained in drive bevel gear (2-16) front end；Cross axle (2-13) and axle shaft gear (2-10) and planetary gear (2-14) are installed in the differential carrier (2-11) of drive bevel gear (2-16) rear end, driven wheel of differential (2-12) is arranged in the differential carrier (2-11) on the left side, and differential lock is arranged on final drive casing (2-1).
- The most according to claim 1 take turns limit differential lock vehicle bridge, it is characterized in that: described differential lock is by working cylinder assembly (2-2), fork axle (2-3), fork (2-4), fixed engagement set (2-6), slidably engage set (2-7) and pressure switch is constituted, working cylinder assembly (2-2) is arranged on final drive casing (2-1), fork (2-4) is arranged in final drive casing (2-1) by fork axle (2-3), the other end of fork (2-4) is connected with slidably engaging set (2-7), fixed engagement set (2-6) is arranged on differential carrier (2-11) by fixed engagement set snap ring, fixed engagement set (2-6) is engaged by engaging tooth with slidably engaging set (2-7).
- The most according to claim 1 take turns limit differential lock vehicle bridge, it is characterized in that: described rear axle housing assembly (1) is made up of rear axle housing (1-1), axle tube (1-2), back axle cap assembly (1-3), breather plug assembly (1-4), axle-shaft oil seal (1-5), on the flange face of the arranged on left and right sides that brake assembly (4) is arranged on rear axle housing assembly (1), wheel hub brake drum assembly (3) is contained on axle tube (1-2), slidably engage set be enclosed within semiaxis (5) upper after, be directly connected on wheel hub.
- The most according to claim 1 and 2 take turns limit differential lock vehicle bridge, it is characterized in that: when the road surface bad by road conditions, after single wheel loses and grabs ground, be equivalently employed without resistance, the wheel of opposite side is equivalent to be fixed on there, and what the normal traveling of vehicle was played by differential mechanism is a retroaction；At this moment differential lock plays one and forces intervention, differential mechanism is allowed to fail, by to working cylinder assembly (2-2) air pressure, drive fork (2-4), make to slidably engage set (2-7) and fixed engagement set (2-6) and differential carrier (2-11) is locked integral, make differential mechanism lose differential action, refuse to transfer on opposite side driving wheel all turning round, it is ensured that the normal traveling of car load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610419732.3A CN105864390A (en) | 2016-06-14 | 2016-06-14 | Wheel-side differential lock axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610419732.3A CN105864390A (en) | 2016-06-14 | 2016-06-14 | Wheel-side differential lock axle |
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| Publication Number | Publication Date |
|---|---|
| CN105864390A true CN105864390A (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610419732.3A Pending CN105864390A (en) | 2016-06-14 | 2016-06-14 | Wheel-side differential lock axle |
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| CN (1) | CN105864390A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671701A (en) * | 2017-02-15 | 2017-05-17 | 山东福安达重汽零部件制造有限公司 | Novel hub reduction front steering drive axle |
| CN106945516A (en) * | 2017-04-01 | 2017-07-14 | 广西合浦县惠来宝机械制造有限公司 | Four-wheel drive articulated steering transport vehicle with front and back wheel differential lock |
| CN108501696A (en) * | 2018-04-03 | 2018-09-07 | 浙江吉利控股集团有限公司 | A kind of electric drive rear axle assy for light medium sized vehicle |
| CN108518473A (en) * | 2018-04-26 | 2018-09-11 | 徐工集团工程机械有限公司 | A kind of vehicle primary actuator and its control method |
| CN109236900A (en) * | 2018-11-08 | 2019-01-18 | 湖南中联重科车桥有限公司 | Back-plate, brake apparatus and vehicle bridge component |
| 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 |
| CN110834636A (en) * | 2019-11-21 | 2020-02-25 | 北京易控智驾科技有限公司 | Method and system for identifying and controlling wheel slip of unmanned mine car |
| CN111422062A (en) * | 2020-03-18 | 2020-07-17 | 吉利汽车研究院（宁波）有限公司 | Oil temperature control device and method and vehicle |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671701A (en) * | 2017-02-15 | 2017-05-17 | 山东福安达重汽零部件制造有限公司 | Novel hub reduction front steering drive axle |
| CN106671701B (en) * | 2017-02-15 | 2023-07-04 | 山东福安达重汽零部件制造有限公司 | Steering drive axle before wheel hub speed reduction |
| CN106945516A (en) * | 2017-04-01 | 2017-07-14 | 广西合浦县惠来宝机械制造有限公司 | Four-wheel drive articulated steering transport vehicle with front and back wheel differential lock |
| CN108501696A (en) * | 2018-04-03 | 2018-09-07 | 浙江吉利控股集团有限公司 | A kind of electric drive rear axle assy for light medium sized vehicle |
| CN108518473A (en) * | 2018-04-26 | 2018-09-11 | 徐工集团工程机械有限公司 | A kind of vehicle primary actuator and its control method |
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| 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 |
| CN109236900A (en) * | 2018-11-08 | 2019-01-18 | 湖南中联重科车桥有限公司 | Back-plate, brake apparatus and vehicle bridge component |
| CN110834636A (en) * | 2019-11-21 | 2020-02-25 | 北京易控智驾科技有限公司 | Method and system for identifying and controlling wheel slip of unmanned mine car |
| CN111422062A (en) * | 2020-03-18 | 2020-07-17 | 吉利汽车研究院（宁波）有限公司 | Oil temperature control device and method and vehicle |
| CN111422062B (en) * | 2020-03-18 | 2022-06-14 | 吉利汽车研究院（宁波）有限公司 | Oil temperature control device and method and vehicle |
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