Energy-saving drive device for dual-rear axle commercial vehicle
A driving device, double rear axle technology, applied in the direction of control device, vehicle parts, transportation and packaging, etc., can solve the problems of the relative circumference difference of four groups of tires, power and fuel consumption loss, etc., to achieve good social and economic benefits, The effect of reducing reactive wear of components and being easy to manufacture
Inactive Publication Date: 2012-12-26
张纬川
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Problems solved by technology
[0002] At present, the driving system of double rear axle commercial vehicles adopts the full-time drive technology scheme. The disadvantage is that the double rear axle always works in the full-time drive state regardless of the road conditions when the car is running. The same, but the relative circumference of the four sets of tires involved in the drive is different, coupled with the multi-link shaft and gear meshing transmission, the serious loss of power and fuel consumption in the process of torque transmission is well known
Method used
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[0034] Concrete structure of the present invention is:
[0035] The first option:
[0036] The present invention includes input flange 1, input flange shaft 2, driving column gear 8, tooth sleeve 14 matched with driving column gear 8, driven column gear 9, middle bridge 15, arc gear shaft 12, through shaft 3 composition, characterized in that:
[0037] a. The input flange shaft 2 and the through shaft 3 are respectively connected with the flange shaft spline 17 and the through shaft spline 18 through the large tooth sleeve 4, and there is an empty knife groove 19 in the large tooth sleeve 4, and the empty knife groove 19 Greater than the length of the spline 18 of the through shaft, the large gear sleeve 4 is connected with the small gear sleeve 5 through a circular wedge key 16, and the pneumatic shift fork 6 is connected with the large gear sleeve 4;
[0038] b. The through shaft 3 runs through the middle of the inter-axle differential 7, and the small gear sleeve 5 slides...
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The invention discloses a time-sharing drive device for a dual-rear axle commercial vehicle, belongs to the field of commercial vehicle chassis drive, and aims to overcome shortcomings so that a driver can duly convert a drive mode according to detailed road conditions. In the time-sharing drive device for the dual-rear axle commercial vehicle, single-rear axle drive and dual-rear axle drive can be converted at any time. When an airfork 6 drags a big sleeve gear 4 and a small sleeve gear 5 to work in an area A, a torsion of an engine singly drives a rear axle assembly through a flange input shaft 2, the big sleeve gear 4 and a through shaft 3; and when the airfork 6 drags the big sleeve gear 4 and the small sleeve gear 5 to work in an area B, the torsion of the engine is divided into two routes, namely a rear axle and a middle axle, by an inter-axle differential 7 through the flange input shaft 2, the big sleeve gear 4 and the small sleeve gear 5. The time-sharing drive device of the invention directly transmits the torsion from the engine to some drive axle which needs time-sharing drive and an engaging and disengaging gear arranged at the wheel edge of a dead axle is separated from and meshed with a half axle and a hub of the dead axle.
Description
Technical field: [0001] The invention belongs to the field of commercial vehicle chassis transmission. Background technique: [0002] At present, the driving system of double rear axle commercial vehicles adopts the full-time drive technology scheme. The disadvantage is that the double rear axle always works in the full-time drive state regardless of the road conditions when the car is running. They are the same, but the relative circumferences of the four groups of tires involved in the drive are different. In addition to the meshing transmission between the multi-link shafts and gears, it is well known that the serious loss of power and fuel consumption in the process of torque transmission. In actual use, the driving conditions with an average mileage of more than 85% including engineering vehicles can use the single-axle drive mode to meet operational needs. Invention content: [0003] The purpose of the present invention is to solve the above-mentioned shortcomings, ...
Claims
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IPC IPC(8): B60K17/354
Inventor 张西航张纬川
Owner 张纬川