CN109501781A

CN109501781A - A method of eliminating hydraulic brake starting retardance

Info

Publication number: CN109501781A
Application number: CN201811297357.5A
Authority: CN
Inventors: 克拉波特·马加什
Original assignee: Shanghai Wanjie Auto Control System Co Ltd
Current assignee: Zhejiang Wan'an Zhiqu Automotive Electronic Technology Co ltd
Priority date: 2018-11-01
Filing date: 2018-11-01
Publication date: 2019-03-22
Anticipated expiration: 2038-11-01
Also published as: CN109501781B

Abstract

The invention discloses a method for eliminating the starting block of a hydraulic disc brake, comprising: a hub, a rotating shaft and a rotor, the hub is arranged on the outer circumference of the rotating shaft, and a hub bearing is arranged between the hub and the rotating shaft, so that the The rotor is arranged on the outer circumference of the rotating shaft, and the rotor is fixedly connected with one end of the hub through screws. The rotating shaft is provided with the hydraulic disc brake, and the hydraulic disc brake includes two brake pads, One end of the rotating shaft is provided with a steering mechanism; for the end with the steering mechanism, the method includes: step A1: the vehicle stops; step A2: the steering mechanism rotates the wheel clockwise or counterclockwise, at least Steering in one direction; Step A3: The steering mechanism turns the wheel back to its initial position. The invention can better eliminate the starting resistance of the hydraulic disc brake through the software function.

Description

A method of eliminating hydraulic brake starting retardance

Technical field

The present invention relates to the technical field of vehicle hydraulic disk brake more particularly to a kind of elimination hydraulic brakes Start the method for retardance.

Background technique

After brake actuating Brake pad do not retract be hydraulic brake well-known characteristic.It can be in next time Significant drag torque is generated when vehicle launch, especially when vehicle no longer moves the long period, such as a whole evening. Adhesion strength between night, rotor and Brake pad increases, and the moisture condensation from air causes to corrode, this also increases Drag torque when vehicle launch, this starting drag torque have very big to fuel economy, the range of electric vehicle It negatively affects and pollution is increased due to the additional wear of Brake pad.

In the prior art, brake lining is fixed on brake caliper piston using brake pad clip, it means that can be with Special tool(s) is needed using the replacement of special brake lining, and brake lining and must change vehicle antilock brake system System, so it increases the complexity of system, and increases more components, and these components close safely braking system etc. It is not first choice for key system.

There are also retraction spring is increased in systems, which increases the complexity of system, so that replacement Brake pad becomes It is more difficult and after replace Brake pad there are the risk of spring Rig up error, spring promotion piston and system backward always The mechanical resistance of motion block, spring force and these components balances, and unrelated with the abrasion of brake block, therefore it is for used system Motion block generates too big gap.

Special spring is moreover increased in systems, may be had during Brake pad replacement unsuitable Assembling, and brake dust may under the connection surface of spring cumulative rises its preload.

On the one hand the state of the pinch system based on sealing of the prior art is improved, but it is retracted on piston and makes Brake(-holder) block is contacted with rotor, so not can solve adherency and etching problem.

In general, the above method cannot eliminate the resistance of start of hydraulic brake well.

Summary of the invention

Resistance of start presence cannot be eliminated well for the method for existing elimination hydraulic brake starting retardance The above problem, now provide it is a kind of be intended to preferably to eliminate the resistance of start eliminate hydraulic brake starting retardance Method.

Specific technical solution is as follows:

A method of eliminating hydraulic brake starting retardance, comprising: wheel hub, shaft and rotor, the wheel hub are set Hub bearing is equipped between the periphery of the shaft, the wheel hub and the shaft, the rotor is set to the outer of the shaft Week, the rotor are fixedly connected by screw with one end of the wheel hub, and the shaft is equipped with the hydraulic brake, The hydraulic brake includes two Brake pads, and one end of the shaft is equipped with steering mechanism；

For the one end for having the steering mechanism, which comprises

Step A1: vehicle stops；

Step A2: wheel by rotating clockwise or rotating counterclockwise, is at least turned to a direction by the steering mechanism；

Step A3: the wheel is rotated back into its initial position by the steering mechanism.

For the side not with the steering mechanism, which comprises

Step B1: the hydraulic brake is discharged before vehicle stopping；

Step B2: pass through the hydraulic brake in the shaft with the steering mechanism, the rotor It can rotate several times, so that the rotor is pushed back two Brake pads, while realizing brake；

Step B3: it is released in vehicle stopping, the hydraulic brake and is wanted without higher priority After asking；

Step B4: the steering mechanism, which passes through the wheel in the shaft, to be rotated clockwise or rotates counterclockwise, At least turn to a direction；

Step B5: the wheel is rotated back into initial position by the steering mechanism.

The above-mentioned method for eliminating hydraulic brake starting retardance, wherein the hydraulic brake further include:

Caliper, the caliper are fixedly connected with the vehicle body, and the side of the caliper is equipped with accommodation groove, the rotor Periphery is protruded into the accommodation groove；

Brake plunger, the brake plunger are set to the side of the accommodation groove；

The above-mentioned method for eliminating hydraulic brake starting retardance, wherein two Brake pads include:

First Brake pad, first Brake pad are set to the brake plunger close to the side of the rotor；

Second Brake pad, second Brake pad are set to the other side of the accommodation groove.

The above-mentioned method for eliminating hydraulic brake starting retardance, wherein the other end of the shaft passes through wheel Screw is fixedly connected with the wheel.

The above-mentioned method for eliminating hydraulic brake starting retardance, wherein be equipped with and the appearance in the caliper The groove of slot connection is set, the groove is located at side of the accommodation groove far from the wheel hub, and the brake plunger is set to institute It states in groove.

The above-mentioned method for eliminating hydraulic brake starting retardance, wherein the other side of the accommodation groove is equipped with convex Block, second Brake pad are set on the convex block.

The above-mentioned method for eliminating hydraulic brake starting retardance, wherein first Brake pad and described turn Gap is each formed between the side of son, between second Brake pad and the other side of the rotor.

The good effect that above-mentioned technical proposal has compared with prior art is:

The method that the present invention eliminates the resistance of start of hydraulic brake does not need the machinery and machine of modification braking system Electrical components, and it is suitable for the disk braking system of all types and brake block, for the shaft with or without steering mechanism Solution is provided.

Detailed description of the invention

Fig. 1 is a kind of overall structure diagram for the method for eliminating hydraulic brake starting retardance of the present invention；

Fig. 2 is a kind of overall structure of method for eliminating hydraulic brake starting retardance of the present invention in the operating condition Schematic diagram；

In attached drawing: 1, wheel hub；2, wheel screw；3, rotor；4, shaft；5, hub bearing；6, caliper；7, brake is living Plug；8, the first Brake pad；9, the second Brake pad；10, accommodation groove；11, convex block；12, groove.

Specific embodiment

The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.

Fig. 1 is a kind of overall structure diagram for the method for eliminating hydraulic brake starting retardance of the present invention, and Fig. 2 is A kind of overall structure diagram of method for eliminating hydraulic brake starting retardance of the present invention in the operating condition, such as Fig. 1 Start the method blocked with the hydraulic brake of eliminating for shown in Fig. 2, showing a kind of preferred embodiment, comprising: wheel hub 1, Shaft 4 and rotor 3, wheel hub 1 are set to the periphery of shaft 4, and hub bearing 5 is equipped between wheel hub 1 and shaft 4, and rotor 3 is set to shaft 4 periphery, rotor 3 are fixedly connected by screw with one end of wheel hub 1, and shaft 4 is equipped with hydraulic brake, hydraulic disk Brake includes two Brake pads, and one end of shaft 4 is equipped with steering mechanism's (not shown)；

For the one end for having steering mechanism, method includes:

Step A1: vehicle stops；

Step A2: steering mechanism by rotating clockwise or rotating counterclockwise, at least turns to wheel (not shown) One direction；

Step A3: wheel is rotated back into its initial position by steering mechanism；

A kind of method for eliminating hydraulic brake starting retardance of preferred embodiment, comprising: wheel hub 1, shaft 4 and turn Son 3, wheel hub 1 are set to the periphery of shaft 4, and hub bearing 5 is equipped between wheel hub 1 and shaft 4, and rotor 3 is set to the periphery of shaft 4, Rotor 3 is fixedly connected by screw with one end of wheel hub 1, and shaft 4 is equipped with hydraulic brake, hydraulic brake packet Two Brake pads are included, one end of shaft 4 is equipped with steering mechanism；

For the side not with steering mechanism, method includes:

Step B1: hydraulic brake is discharged before vehicle stopping；

Step B2: by the hydraulic brake in the shaft with steering mechanism, rotor 3 can rotate several times, make Rotor 3 can push back two Brake pads, while realize brake；

Step B3: after vehicle stops, hydraulic brake is released and no higher priority requirement；

Step B4: the wheel in shaft 4 by rotating clockwise or rotating counterclockwise, is at least turned to one by steering mechanism Direction；

Step B5: wheel is rotated back into initial position by steering mechanism.

Further, as a kind of preferred embodiment, hydraulic brake includes:

Caliper 6, caliper 6 are fixedly connected with the vehicle body, and the side of caliper 6 is equipped with accommodation groove 10, and the periphery of rotor 3 is stretched Enter in accommodation groove 10；

Brake plunger 7, brake plunger 7 are set to the side of accommodation groove 10；

First Brake pad 8, the first Brake pad 8 are set to brake plunger 7 close to the side of rotor 3；

Second Brake pad 9, the second Brake pad 9 are set to the other side of accommodation groove 10.

The above is only preferred embodiments of the present invention, are not intended to limit the implementation manners and the protection scope of the present invention.

The present invention also has on the basis of the above is implemented as follows mode:

In further embodiment of the present invention, continuing with referring to shown in Fig. 1, Fig. 2, the other end of shaft 4 passes through wheel spiral shell Nail 2 is fixedly connected with wheel.

In further embodiment of the present invention, the groove 12 being connected to accommodation groove 10 is equipped in caliper 6, groove 12 is located at Side of the accommodation groove 10 far from wheel hub 1, brake plunger 7 are set in groove 12.

In further embodiment of the present invention, the other side of accommodation groove 10 is equipped with convex block 11, and the second Brake pad 9 is set to convex On block 11.

In further embodiment of the present invention, between the first Brake pad 8 and the side of rotor 3, the second Brake pad 9 with Gap is each formed between the other side of rotor 3.

Wheel hub 1 and rotor 3 are rotated around wheel shaft 4, and the steering of wheel hub 1 and rotor 3 is realized by hub bearing 5, when When driver's brake pedal, hydraulic pressure is applied to the surface of brake plunger 7 and brake plunger 7 is braked first Pad 8 is shifted on rotor 3, and the frictional force between two Brake pads and rotor 3 generates braking moment to slow down or stop.

When brake pedal is released, deformation and pretension due to its rubber seal, on the surface of brake plunger 7 Pressure also reduces, and brake plunger 7 is mobile to the direction far from wheel hub 1.

If vehicle, still in movement, the uneven surface of rotor 3 hits two Brake pads, and brakes in rotor 3 and two There are gaps between pad.

If vehicle stops, rotor 3 cannot push back two Brake pads, because rotor 3 does not turn.In this case, turn Wheel must be rotated to mechanism, and the contact force between ground and wheel will load hub bearing 5, hub bearing 5 has just Normal gap, and due to the load of the contact force between wheel and ground, entire wheel hub 1 and rotor 3 can be relative to turning Axis 4 and caliper 6 and two Brake pads are mobile, which is limited to the movement of hub bearing 5, but it is also by the axis of rotor 3 Arm between line and Brake pad is away from amplification.

As shown in Fig. 2, rotor has the not parallel displacement relative to two Brake pads, therefore pushed back.The axis of rotor 3 The relative displacement of line and the axis of shaft 4 is in the range of the gap of hub bearing 5, and the direction of the displacement depends on turning to Direction.

Method of the invention can be controlled by the driver of vehicle, vehicle control system carries out automatically or it is long-range to pass through Request is ordered from other systems or subsystem.

The method that the present invention eliminates the resistance of start of hydraulic brake does not need the machinery and machine of modification braking system Electrical components, and it is suitable for the disk braking system of all types and brake block, for the shaft 4 with or without steering mechanism Solution is provided.

The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model It encloses, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content Equivalent replacement and obviously change obtained scheme, should all be included within the scope of the present invention.

Claims

1. A method for eliminating the starting block of a hydraulic disc brake, characterized in that it comprises: a wheel hub, a rotating shaft and a rotor, the wheel hub is arranged on the outer circumference of the rotating shaft, and a wheel hub is arranged between the wheel hub and the rotating shaft Bearing, the rotor is arranged on the outer circumference of the rotating shaft, the rotor is fixedly connected with one end of the hub through a screw, the hydraulic disc brake is provided on the rotating shaft, and the hydraulic disc brake includes two brakes a lining block, one end of the rotating shaft is provided with a steering mechanism;

For the end with the steering mechanism, the method includes:

Step A1: the vehicle stops;

Step A2: the steering mechanism turns the wheel clockwise or counterclockwise to at least one direction;

Step A3: The steering mechanism turns the wheel back to its initial position.

2. A method for eliminating the starting block of a hydraulic disc brake, characterized in that it comprises: a hub, a rotating shaft and a rotor, the hub is arranged on the outer circumference of the rotating shaft, and a hub is arranged between the hub and the rotating shaft Bearing, the rotor is arranged on the outer circumference of the rotating shaft, the rotor is fixedly connected with one end of the hub through a screw, the hydraulic disc brake is provided on the rotating shaft, and the hydraulic disc brake includes two brakes a lining block, one end of the rotating shaft is provided with a steering mechanism;

For the side without the steering mechanism, the method includes:

Step B1: releasing the hydraulic disc brake before the vehicle stops;

Step B2: by using the hydraulic disc brake on the rotating shaft with the steering mechanism, the rotor will rotate several times, so that the rotor can push back the two brake pads and realize braking at the same time;

Step B3: After the vehicle is stopped, the hydraulic disc brake is released and there is no higher priority requirement;

Step B4: the steering mechanism turns the wheel on the rotating shaft in at least one direction by rotating clockwise or counterclockwise;

Step B5: The steering mechanism turns the wheel back to the initial position.

3. The method for eliminating the starting block of a hydraulic disc brake according to claim 1 or 2, wherein the hydraulic disc brake further comprises:

a brake caliper, the brake caliper is fixedly connected with the vehicle body, one side of the brake caliper is provided with an accommodating groove, and the outer circumference of the rotor extends into the accommodating groove;

a brake piston, which is arranged on one side of the accommodating groove.

4. The method for eliminating hydraulic disc brake starting block according to claim 3, wherein the two brake pads comprise:

a first brake pad, the first brake pad is arranged on the side of the brake piston close to the rotor;

The second brake pad is arranged on the other side of the accommodating groove.

5 . The method for eliminating the starting block of a hydraulic disc brake according to claim 1 or 2 , wherein the other end of the rotating shaft is fixedly connected to the wheel through a wheel screw. 6 .

6 . The method for eliminating the starting block of a hydraulic disc brake according to claim 3 , wherein the brake caliper is provided with a groove communicating with the accommodating groove, and the groove is located in the accommodating groove. 7 . The side of the groove away from the hub is arranged, and the brake piston is arranged in the groove.

7 . The method for eliminating the starting block of a hydraulic disc brake according to claim 4 , wherein a convex block is provided on the other side of the accommodating groove, and the second brake pad is provided on the convex block. 8 . on the block.

8 . The method for eliminating hydraulic disc brake starting block according to claim 4 , wherein, between the first brake pad and one side of the rotor, and between the second brake pad and the rotor. 9 . A gap is formed between the other sides of the rotor.