Braking and retarding integrated support bridge for trailers

Abstract

The invention discloses a braking and retarding integrated supporting bridge for a trailer, which includes a supporting bridge part, a hydraulic retarder part, a speed-increasing mechanism part, a heat dissipation circulation system and a control module. The supporting bridge part includes a supporting axle housing, The hub and end cover, the hydraulic retarder part includes the left stator impeller, the right stator impeller and the rotor impeller, and the speed increasing mechanism part includes the sun gear, the planetary gear and the ring gear. The one-piece axle designs the position of the original braking mechanism as a hydraulic retarder, and the rotor impeller of the retarder is integrated with the sun gear of the speed-increasing mechanism, the right stator impeller and the ring gear, and the wheel hub and the planet carrier are integrated. The retarder provides power. The friction brake mechanism and brake drum are removed from the whole bridge, which greatly reduces the weight of the whole bridge as a whole. The two modes of retarder braking and retardation are controlled by air pressure to realize the adjustment and classification of torque and increase the sensitivity of vehicle operation. and driving safety.

Description

technical field [0001] The invention belongs to the technical field of automobile auxiliary braking, and in particular relates to a braking and retarding integrated supporting bridge for trailers. Background technique [0002] With the rapid development of the road transportation industry, road transportation has become the main land transportation mode in my country, so heavy trucks and semi-trailer tractors have become the main force of road freight transportation, but with the increase of vehicle load and speed, and Due to the basic conditions of our country's roads - slopes and curves, the load on the braking system of heavy vehicles is increasing, the friction linings of the brakes are severely worn, the brake drums are hot or even burst, and the braking force is insufficient for continuous braking. The semi-trailer tractor is composed of a trailer and a trailer. The transmission system is distributed on the trailer, and the trailer is mainly used to carry the transporte...

AI Technical Summary

Problems solved by technology

But for semi-trailer tractors, the installation position of the retarder is a difficult problem

At present, there are two common methods. One is to install the retarder on the drive train of the trailer. This solution has an obvious braking effect, but the trailer has no braking force. The huge inertia will lead to more serious instability of the whole vehicle.

The other is to install the retarder on the trailer. Since there is no power transmission system, a power bridge is used instead of a support bridge of the trailer, and a retarder is installed on the differential package of the power bridge. This method has a braking effect Although safety and driving safety can be guaranteed, the overall weight has increased significantly. As a module of the vehicle, the retarder needs to be re-matched with the vehicle system. increased, less competitive

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