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Intermediate shaft brake and vehicle

A technology for intermediate shafts and brakes, applied in the direction of axial brakes, brake types, brake actuators, etc., can solve the problems of poor seal reliability of brake pistons and cylinders, slow response speed of pneumatic actuators, etc., to avoid residual braking, Highly responsive and precise effects

Active Publication Date: 2022-07-22
FAW JIEFANG AUTOMOTIVE CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an intermediate shaft brake and a vehicle to solve the problem that the intermediate shaft brake in the related art adopts the combination form of cylinder piston and wet brake disc group, which leads to poor sealing reliability of the brake piston cylinder and poor response of the pneumatic actuator. slow speed problem

Method used

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  • Intermediate shaft brake and vehicle
  • Intermediate shaft brake and vehicle
  • Intermediate shaft brake and vehicle

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Embodiment Construction

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0034] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have ...

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Abstract

The invention relates to the technical field of brakes, and particularly discloses an intermediate shaft brake and a vehicle. The intermediate shaft brake comprises a motor, a transmission shell, a lead screw, a nut pressing disc, a first bearing, a second bearing and a brake pad set, the motor is fixed to the transmission shell, and the motor is in transmission connection with the first end of the lead screw through a gear assembly; the nut pressing disc is in threaded connection with the lead screw, the nut pressing disc is in sliding connection with the transmission shell, the lead screw is rotationally supported on the transmission shell through a first bearing and rotationally supported on the intermediate shaft through a second bearing, and the lead screw is provided with a main oil duct extending in the axial direction of the lead screw and two radial oil ducts communicating with the main oil duct. The two radial oil channels are used for supplying lubricating oil to the first bearing and the second bearing respectively, the brake pad set is arranged at the second end of the lead screw, the nut pressing disc extrudes the brake pad set to brake the intermediate shaft, the motor serves as a power source, high responsiveness and accuracy are achieved, and especially when braking is relieved, residual braking can be effectively avoided.

Description

technical field [0001] The present invention relates to the technical field of brakes, and in particular, to an intermediate shaft brake and a vehicle. Background technique [0002] In the heavy commercial vehicle AMT market at home and abroad, the intermediate shaft brake is mostly a combination of a cylinder piston and a wet brake pad set, and the power source is high pressure gas. In terms of reliability, due to the direct contact between the piston and the gear oil, the traditional cylinder piston structure has extremely high requirements on the reliability of the oil seal of the seal. Once the oil seal fails, the gear oil will enter the cylinder and enter the air path during the exhaust process. and solenoid valve, leading to malfunctions such as solenoid valve sticking. According to market feedback data, it is one of the typical faults that the oil seal failure of the intermediate shaft brake causes the solenoid valve to be stuck. In terms of efficiency, the traditiona...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D55/36F16D65/28F16D121/24
CPCF16D55/36F16D65/28F16D2121/24
Inventor 赵达高志飞孙安邦王巍巍
Owner FAW JIEFANG AUTOMOTIVE CO
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