CN2933993Y

CN2933993Y - Heavy-duty vehicle bridge having ABS and gas filling-discharging system

Info

Publication number: CN2933993Y
Application number: CN 200620111082
Authority: CN
Inventors: 谭家斌; 李科; 马莉萍; 万勇; 黄兴刚; 李春宏
Original assignee: Chongqing Dajiang Industry Group Co Ltd
Current assignee: Chongqing Dajiang Industry Co Ltd
Priority date: 2006-08-08
Filing date: 2006-08-08
Publication date: 2007-08-15
Anticipated expiration: 2016-08-08

Abstract

The utility model requires protecting the patent of a heavy-duty car axle with anti-skid break system and air charging and discharging system which comprises a wheel hub, a break shoe, a steering knuckle, an axle shell, a half-shaft sleeve, an anti-skid break system which is arranged in the rim of the wheel of the axle and an air charging and discharging system which is arranged in the rim of the wheel of the axle. An air channel is arranged on the steering knuckle of the front axle while an air channel is arranged on the half-shaft sleeve of the middle and rear axle. One end of each of the air channels is communicated with the joint of the inlet pipe while the other end is communicated with the wheel hub, a composite oil/gas seal is assembled in the wheel hub, an air channel is provided in the wheel hub while the one end of the air channel is communicated with the air channel of the steering knuckle or the half-shaft sleeve with the other end communicated with the joint of the outlet pipe. The anti-skid break system has the anti-skid break gear ring mounted on the outside of the wheel hub and near the air channel while a censor is mounted on a break bracket. By the skillful arrangement of the positions of the wheel rim middle air channel, the oil/gas seal, the anti-skid break gear ring and the censor, the utility model uses a simple and compact structure to rationally solve the problem of enable the wheel rim to charge and discharge air while realizing the anti-skid break function, so as to improve the performance of the whole car.

Description

The heavy motor vehicle vehicle bridge of band ABS and air-charging and air-discharging system

Technical field

The utility model relates to the automotive axle structure, and the placement technique of ABS system and air-charging and air-discharging system.

Background technology

Development along with China's heavy motor vehicle technology, performance requriements to heavy motor vehicle is more and more higher, should safety, steady again, this just requires heavy motor vehicle will dispose ABS system or air-charging and air-discharging system step by step, at least will dispose the ABS system, especially heavy-duty off-road vehicle, dune buggy more require both all to dispose.And at present, China's heavy motor vehicle vehicle bridge or possess the ABS function is arranged, or possess charging-discharging function is arranged, also not possessing the heavy motor vehicle vehicle bridge of ABS and air-charging and air-discharging system function simultaneously, its main difficult point is because the wheel limit structure space of vehicle bridge is narrow and small, is difficult to arrange.

Summary of the invention

The purpose of this utility model just is at the prior art above shortcomings, proposes a kind of heavy motor vehicle vehicle bridge with ABS and air-charging and air-discharging system, solves the problem that existing heavy motor vehicle vehicle bridge can not have ABS anti-lock and charging-discharging function concurrently.

The purpose of this utility model realizes by following scheme:

A kind of heavy motor vehicle vehicle bridge with ABS and air-charging and air-discharging system includes parts such as wheel hub, brake shoe brake cheek, steering swivel, axle housing, axle tube, and is arranged on ABS anti-lock braking system in the vehicle bridge wheel limit air-charging and air-discharging system of unifying simultaneously.

Described air-charging and air-discharging system is that an air flue is set on steering swivel for propons, is that an air flue is set on axle tube for middle back axle, and end is communicated with the air inlet pipe joint separately, and the other end is communicated with wheel hub; Wheel hub is inner installs the combined type oil gas envelope, and an air flue is set in wheel hub, and an end is communicated with steering swivel air flue or axle tube air flue, and the other end is communicated with the freeing pipe joint.Whole gas replenishment process is exactly by this cover air-channel system, and tire is put on the air.

The ABS gear ring of described ABS antiblock device is installed in the outside position near air flue of wheel hub, and sensor is installed on the braking carriage, and an end of sensor passes with the ABS control system by the hole on the drg mudwing and is connected.The purpose of She Zhiing exactly in order well gear ring and sensor to be installed in the space of compact conformation, is not interfered with gas circuit and other parts like this, and guarantees that sensor conductor exit measurement induced voltage is between 0.2-1V.

In addition, in order to prevent the leakage of gas and lubricating oil, guarantee enough airsheds, at the inner duct position that connects with steering swivel air flue or axle tube air flue of wheel hub one combined type oil gas envelope is installed, make this air flue be positioned at the midway location of combined type oil gas envelope, air flue one end is communicated with steering swivel air flue or axle tube air flue, an end be communicated with the freeing pipe joint by all the other air flues of wheel hub in-to-in.

The utility model is by having carried out the position setting to air flue, oil gas envelope and ABS gear ring, sensor in the structure of wheel limit dexterously, with simple compact design reasonably solved make the wheel limit both had charging-discharging function, the technical barrier that has ABS anti-lock function has again improved the performance requriements of car load.

Description of drawings

Fig. 1: the band ABS of heavy motor vehicle propons and the structural representation of air-charging and air-discharging system;

Fig. 2: the structural representation of air flue in the steering swivel among Fig. 1;

Fig. 3: the band ABS of back axle and the structural representation of air-charging and air-discharging system in the heavy motor vehicle;

The structural representation of air flue in the wheel hub among Fig. 4: Fig. 1 and Fig. 3.

The specific embodiment

Describe structure of the present utility model in detail below in conjunction with accompanying drawing:

The propons of heavy motor vehicle is referring to Fig. 1, includes wheel hub 3, brake shoe brake cheek 13, braking carriage 7, steering swivel 9 and is arranged on ABS anti-lock braking system in the vehicle bridge wheel limit air-charging and air-discharging system of unifying;

The middle back axle of heavy motor vehicle is referring to Fig. 3, includes wheel hub 3, brake shoe brake cheek 13, braking carriage 7, axle tube 10 and is arranged on ABS anti-lock braking system in the vehicle bridge wheel limit air-charging and air-discharging system of unifying.

Air-charging and air-discharging system is made of inlet,

outlet adaptor union

12 and 1, air flue 2, combined type oil gas envelope 8 etc., system is exactly by air inlet pipe joint 12, and gas is sent into air flue 2, through combined type oil gas envelope 8, again through air flue 2, by freeing pipe joint 1 gas is sent into tire at last.The ABS antiblock device is made up of ABS gear ring 4, sensor 5, sensor stand 6 etc., and by being installed in the sensor of braking on the carriage 7 to being installed in the output of the gear ring induced signal on the wheel hub, the regulation and control through the ABS control system prevent wheel lockup.

In conjunction with Fig. 1 and Fig. 4, in wheel hub 3, process three air flues, each air flue is interconnected.Middle part in assembly combined oil gas envelope processes air flue 2-31, processes air flue 2-32 at level attitude again, and 2-31 is communicated with air flue, process air flue 2-33 then in the upright position, 2-32 is communicated with air flue, and the straight thread of oral area processing at air flue 2-33 is used to connect freeing pipe joint 1.For guaranteeing the air flue sealing, gas does not leak outside, and also needs to stop up 16 in one of the oral area weldering of air flue 2-31 and air flue 2-32, and the design-calculated purpose is both to be convenient to processing like this, is convenient to the connected sum leak stopping again.In the middle part of wheel hub charge of oil sealing gland 8, process a circular groove 15 (cylindrical Ф 135, wide by 8) simultaneously, guarantee that gas can enter in the wheel hub air flue by circular groove.At the outside face of wheel hub, the boss 14 of Ф a 210 * 13mm of design is used to install the ABS gear ring.

In conjunction with Fig. 1 and Fig. 2, for propons, in steering swivel 9, process three air flue 2-91,2-92 and 2-93, each air flue is interconnected, straight thread of oral area processing at air flue 2-91 is used to connect air inlet pipe joint 12, stops up 16 at air flue 2-91 and one of air flue 2-92 junction weldering, guarantee that gas does not leak outside, the air flue diameter is Ф 8mm.

Referring to Fig. 3, the gas circuit structure form of middle back axle is also with propons gas circuit structure form, just on axle tube 10, process air flue, air inlet pipe joint 12 is arranged on the axle housing, and on axle tube 10 end faces and cylindrical, process a groove respectively, be used to install O-ring seals 11, prevent gas leakage.

Referring to Fig. 1, the structure of the combined type oil gas envelope 8 in the wheel hub is: two ends, the outside are oil sealing, and inboard two ends are sealing gland, outside oil sealing, and interior side seal gas has four apertures in the oil gas envelope, is used for ventilation.The combined type oil gas envelope is installed in the wheel hub, is positioned at steering swivel air flue or axle tube air flue center, guarantees airway unobstructed.Combined type oil gas front cover end leans against on the wheel hub, and the other end is fixed with collar.

Referring to Fig. 1 and Fig. 3, ABS gear ring 4 is installed in the position near air flue in wheel hub 3 outsides, sensor installation support 6 on braking carriage 7, and the inductive head with sensor 5 one ends is installed on the sensor stand 6 again, inductive head and gear ring gap 0.5mm are with induction gear ring well; The other end of sensor 5 then by the hole on the drg mudwing, wears out and the ABS control system connectivity, and guarantees that sensor conductor exit measurement induced voltage is between 0.2-1V.Loosening in wheel hub in order to prevent transducer wire, the transducer wire of sensor 5 is fixed on braking carriage 7 and the mudwing.

Claims

1, the heavy motor vehicle vehicle bridge of band ABS and air-charging and air-discharging system includes wheel hub, brake shoe brake cheek, steering swivel, axle housing, the axle tube of vehicle bridge, and is arranged on ABS anti-lock braking system in the vehicle bridge wheel limit air-charging and air-discharging system of unifying; It is characterized in that:

Described air-charging and air-discharging system is that an air flue is set on steering swivel for propons, is that an air flue is set on axle tube for middle back axle, and an end is communicated with the air inlet pipe joint separately, and the other end is communicated with wheel hub; Wheel hub is inner installs the combined type oil gas envelope, and an air flue is set in wheel hub, and an end is communicated with steering swivel air flue or axle tube air flue, and the other end is communicated with the freeing pipe joint;

The ABS gear ring of described ABS antiblock device is installed in the outside position near air flue of wheel hub, and sensor is installed on the braking carriage, and an end of sensor passes with the ABS control system by the hole on the drg mudwing and is connected.

2, the heavy motor vehicle vehicle bridge of band ABS according to claim 1 and air-charging and air-discharging system, it is characterized in that: described combined type oil gas envelope is installed in the duct position that wheel hub inside links to each other with steering swivel air flue or axle tube air flue, make this air flue be positioned at the midway location of combined type oil gas envelope, air flue one end is communicated with steering swivel air flue or axle tube air flue, an end be communicated with the freeing pipe joint by all the other air flues of wheel hub in-to-in.

3, the heavy motor vehicle vehicle bridge of band ABS according to claim 1 and air-charging and air-discharging system, it is characterized in that: the inlet, outlet adaptor union is screwed union.