CN111102309A

CN111102309A - Brake enhancing method and brake device

Info

Publication number: CN111102309A
Application number: CN202010056514.4A
Authority: CN
Inventors: 米建军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-23
Filing date: 2020-01-23
Publication date: 2020-05-05

Abstract

A brake enhancing method, the brake has a stator and a rotor, the stator fixes the stator, the rotor rotates, the stator and the rotor have mutual friction surface to generate friction force to realize the brake, the method is that convex strip or/and concave strip along the same direction of the relative friction movement of the stator and the rotor are adopted on the friction surface of the stator and the rotor to increase the area of the friction surface of the stator and the rotor, the shape of the concave strip or/and convex strip on the stator and the rotor are mutually matched, thus the arrangement can increase the area of the friction surface of the stator and the rotor and the heat dissipation area, and realize the function of enhancing the brake.

Description

Brake enhancing method and brake device

Technical Field

The invention relates to the field of brake, in particular to a brake enhancing method and a brake device.

Background

The moving object equipment needs to be braked when being stopped, the braking is very important, various braking methods are available, the braking is carried out by using methods such as magnetic force, wind force and the like, one of them is to use friction to generate resistance, which also generates heat, too much heat can cause friction failure, in order to increase the frictional resistance and reduce the heat generated by friction, various methods have been adopted for a long time to improve the brake structure device, the butterfly brake disc is added with the through hole to improve the heat dissipation efficiency, the brake device is made of wear-resistant and high-temperature-resistant materials to improve the service life and the high-temperature-resistant performance, water is sprayed into the brake device to reduce the temperature and the like in the braking process of the automobile, however, in some special circumstances, the design requirements cannot be met, such as long-distance braking of the vehicle, too fast rotation speed of the motor, insufficient friction, etc., and therefore, the braking method and device need to be improved.

Disclosure of Invention

The invention aims to provide a brake enhancing method and a brake device, which can enable the brake to better play a role.

A brake enhancing method, the brake has stator and rotor, the stator is fixed, the rotor rotates, said stator and rotor have mutual friction surface to produce friction force to realize the brake, the method is to use the concave strip or/and convex strip along the same direction of the relative friction movement of said stator and rotor to increase the area of said friction surface of said stator and rotor on said friction surface of said stator and rotor, said concave strip or/and convex strip on said stator and rotor are mutually adapted in shape, thus it can increase the area of said friction surface of said stator and rotor and the heat dissipation area, realize the function of enhancing the brake.

Foretell brake reinforcing method is used in braking stator and rotor the interior concave strip or/and sand grip of friction surface are many to increase braking effect, reduce occupation space, easy to assemble and use, concave strip or/and sand grip set up along rotor axial interval, the cross section of concave strip or/and sand grip is the arc.

A disc brake device comprises a disc brake disc and disc brake pincers, wherein the disc brake disc is circular, the disc brake disc is provided with two side faces which are used for friction braking and axially symmetrical along the disc brake disc, the side faces are called friction faces, the disc brake pincers are provided with brake pads, the brake pads are close to two sides of the disc brake disc, the friction faces realize braking through clamping the rotating friction faces, concave strips or/and convex strips along the same direction of friction are arranged on the friction faces, the brake pads are provided with the concave strips or/and the convex strips matched with the brake pads, namely when the friction pads are provided with the concave strips, the convex strips are arranged on the corresponding positions of the brake pads, when the brake pads and the friction faces are close to each other, the brake pads and the friction faces are tightly attached to each other, the concave strips or/and the convex strips of the friction faces are concentrically arranged along the circumference of the disc brake disc, the cross section of the concave strip or/and the convex strip is arc-shaped, so that the friction surface between the friction surface of the disc brake disc and the brake pad is changed into a curved surface from a plane, the friction area is increased, under the condition of using the same pressure, the friction force is increased, and the heat dissipation area is also increased.

The friction surfaces are symmetrically arranged on two sides of the periphery of the disc brake disc, the concave strips or/and the convex strips on the friction surfaces are/is complementary along the axial direction of the disc brake disc, namely one friction surface is a concave strip and the other friction surface corresponding to the axial position of the disc brake disc is a convex strip, so that the thickness of the disc brake disc is basically consistent, the strength of the whole structure is kept consistent, the disc brake disc is changed from a straight surface to a curved surface through the design, and the axial bending resistance of the disc brake disc is also enhanced.

A plurality of through holes along the axial direction of the disc brake disc are formed in the friction surface, the through holes are evenly distributed along the circumference of the disc brake disc, and the through holes can increase the heat dissipation area.

The outer periphery of the disc brake disc is in a wave shape, and the design is designed to increase the heat dissipation area.

The utility model provides a double-deck disc brake device, includes disc brake dish and disc pincers of stopping, the disc brake dish is circular, the disc brake dish have be used for the friction brake along two sides of disc brake dish axial symmetry, be called the friction surface, the disc brake dish is bilayer structure, bilayer the disc brake dish parallel arrangement, bilayer between the disc brake dish cavity, it is fixed to be equipped with the connecting rib, the disc brake pincers are equipped with the brake block, the brake block is close to disc brake dish both sides the friction surface realizes the brake through pressing from both sides tight pivoted friction surface, be equipped with on the friction surface along the same direction of friction concave strip or/and sand grip, the brake block is equipped with the concave strip or/and the sand grip of adaptation with it, the concave strip or/and the sand grip of friction surface along the circumference with disc brake dish sets up with one heart, through such setting, make the disc brake dish the friction surface with between the brake block the friction surface by the plane change curved face into, the friction area is increased, under the condition of using the same pressure intensity, namely, the friction force is increased, the heat dissipation area is also increased, the disc brake disc is the rotor in the brake enhancement method for the brake, the disc brake caliper is the stator, the disc brake disc is generally a flat disc and also has a shape which is protruded towards one side from the middle for convenient fixation, the friction surfaces are symmetrically arranged at two sides of the periphery of the disc brake disc, the concave strips or/and the convex strips on the friction surfaces at two sides are complementary along the axial direction of the disc brake disc, namely, one friction surface is a concave strip, the other friction surface corresponding to the axial position of the disc brake disc is a convex strip, thus the thickness of the disc brake disc can be kept basically consistent, the strength of the whole structure is kept consistent, the space occupation size of the whole device is reduced, and the disc brake disc is changed from a flat surface to a curved surface by the design, still strengthened the axial anti crooked strength of dish of stopping, the friction surface be equipped with along a plurality of through-holes of dish axial are stopped to the dish, the through-hole along dish circumference evenly distributed is stopped to the dish to run through the bilayer friction surface, through-hole can increase heat radiating area.

The brake pad is fixed to the driving device in an arc shape and arranged inside the brake drum, the driving device drives the brake pad to expand and rub the inner wall of the brake drum to achieve braking, the friction surfaces of the inner wall of the brake drum and the brake pad are provided with the concave strips or/and the convex strips which are matched with each other along the same direction of friction, through the design, the friction surfaces between the inner wall of the brake drum and the brake pad are changed from a plane to a bent surface, the friction area is increased, the friction force is increased under the condition of using the same pressure, the heat dissipation area is also increased, the brake drum is the rotor in the method, and the brake pad and the driving device are the stators.

Concave strip or/and sand grip, set up in the brake drum inner wall concave strip or/and sand grip along the brake drum circumference distributes, concave strip or/and sand grip along the brake drum circumferencial direction is intermittent setting, intermittent setting can increase ventilation heat dispersion, and the piece that the friction produced is discharged, intermittent setting has the function that similar ABS's brake strength changes simultaneously, improves braking efficiency.

The brake block, the brake block the friction surface still is equipped with along the horizontal or oblique slot of direction of friction, because drum device of stopping brake block length and width are bigger, and long-time friction gathering a large amount of heats is in the friction surface, the slot can strengthen the heat dissipation.

The outer surface of the brake drum can be provided with fins, so that heat dissipation is further increased.

The braking method and the structure have different names, and the commonly used disc brake, namely disc brake, drum brake, band brake, V brake and the like are suitable for the application, for example. The V brake frequently used on the bicycle utilizes the brake pad to rub the side surface of the rim to realize brake, and the brake pad of the V brake and the friction surface of the rim are designed by the method, so that the brake braking capability can be enhanced.

The method and the device are suitable for the fields of vehicles, engineering machinery, electric tools and wind power generation, and the brake in the application is not only vehicles in the vehicles, such as bicycles, electric bicycles, motorcycles, automobiles, trains and the like, but also industrial equipment, relevant equipment in the engineering machinery, such as lathes for processing mechanical parts, cranes for hoisting engineering, impellers for wind power generation and the like.

The invention has the beneficial effects that: by adopting the brake enhancing method and the brake device, the friction surface is changed into the concave-convex surface formed by the concave strips or/and the convex strips from the plane, the friction area is increased in the same size, the area can be increased by more than twenty percent compared with the plane design in the same space, when the same pressure is applied, larger friction force can be provided, the brake distance is reduced, the heat dissipation area is increased, the radial pressure bearing capacity of the device is enhanced, and the brake device is suitable for various types of brakes.

Drawings

FIG. 1 is a cross-sectional view of a brake apparatus according to the present invention.

FIG. 2 is a front view of the brake apparatus shown in FIG. 1 according to the present invention.

FIG. 3 is a partial schematic view of the brake apparatus shown in FIG. 1 according to the present invention.

FIG. 4 is a cross-sectional view of a double-layered brake apparatus according to the present invention.

FIG. 5 is a front view of the double-layered brake apparatus of FIG. 4 according to the present invention.

Fig. 6 is a schematic cross-sectional view of a disc brake disc of the double-layer brake device of fig. 4 according to the present invention.

FIG. 7 is a cross-sectional view showing the basic structure of a drum brake assembly according to the present invention.

FIG. 8 is a schematic cross-sectional view of a brake drum of a drum brake assembly according to the present invention.

In the figure, 1 is a friction surface, 2 is a disc brake caliper, 3 is a through hole, 4 is a fixing hole, 5 is a brake pad, 6 is a convex strip, 7 is a concave strip, 8 is a connecting rib, 9 is a brake drum, 10 is a brake shoe, and 11 is a waterproof edge.

Detailed Description

The invention is further explained with reference to the specific embodiment, fig. 1 is a schematic cross-sectional view of a brake apparatus of the invention, which includes a disc brake disc and a brake caliper, wherein the disc brake disc has the friction surface 1, the through hole 3 and the fixing hole 4, the inner side of the disc brake caliper 2 has the brake pad 5, the disc brake caliper 2 is disposed beside the two friction surfaces 1 of the disc brake disc, the disc brake caliper 2 drives the brake pad 5 to approach and press the friction surface 1 to generate a friction force, the friction surface 1 is provided with a plurality of axial through holes 3, the through holes 3 are uniformly distributed along the circumference of the disc brake disc to help ventilation and heat dissipation and discharge friction debris, the fixing hole 4 is used for fixing the disc brake disc to a rotating wheel, the disc brake caliper 2 is fixed to a vehicle body, and the brake caliper 2 in this figure is a schematic view, in practical applications, the disc brake caliper 2 has a plurality of driving modes, which commonly include a wire pulling mode, an air pressure mode, a hydraulic mode and the like, the brake pad 5 and the disc brake caliper 2 have a fixed connection and a movable connection, for example, the wire pulling driving mode, the brake pad 5 and the disc brake caliper 2 are generally fixedly connected, and the air pressure and hydraulic driving mode, the brake pad 5 and the disc brake caliper 2 are generally movably connected, have different structures, and are common structures in the prior art, which do not necessarily state that the function is to make the brake pad 5 approach or separate from the friction surface 1, so as to generate friction force or lose friction force.

Fig. 2 is a schematic front view of the brake apparatus shown in fig. 1 of the present invention, which includes a disc brake disc and a brake caliper, wherein the disc brake disc has the friction surface 1 thereon, the through hole 3 and the

fixing hole

4, 2 are the disc brake caliper, a wave-shaped edge is disposed on an outer edge of the disc brake disc, which can help the friction surface 1 to dissipate heat during use, a plurality of circular rings disposed concentrically with the disc brake disc on the friction surface 1 are the concave strips 7 and the convex strips 6, the concave strips 7 and the convex strips 6 are disposed at intervals, and the arrangement of the concave strips 7 and the convex strips 6 is not limited by the through hole 3 and the wave-shaped edge of the disc brake disc.

Fig. 3 is a partial schematic view of a brake device according to fig. 1, in which the two friction surfaces 1 of the disc brake disc have the concave strips 7 and convex strips 6, and the concave strips 7 and convex strips 6 of the two friction surfaces 1 facing away from each other or along the axial direction of the disc brake disc are complementary, so that the thickness of the disc brake disc is kept constant at the whole position of the friction surface 1, while the area of the two friction surfaces 1 is increased, the surface of the brake pad 5 close to the friction surface 1 is also provided with the surfaces adapted to the concave strips 7 and convex strips 6 of the friction surface 1, the surface of the brake pad 5 connected to the disc brake caliper 2 is also provided with the same surface, so that the thickness of the brake pad 5 is kept constant at each position, and the surface of the disc brake caliper 2 fixed to the brake pad 5 is adapted to the surface of the brake pad 5, which ensures that the friction surfaces 1, the brake block 5 is synchronously worn in the using process, the condition of uneven thickness caused by friction loss is avoided, and the problems of waste and safety are avoided.

Fig. 4 is a schematic cross-sectional view of a double-layer brake device of the present invention, which includes a disc brake disc and a brake caliper, wherein the disc brake disc has the friction surface 1, the through hole 3 and the fixing hole 4, the disc brake disc of this embodiment is double-layer, the two layers are fixed together by the connecting rib 8, and form a gap to help the disc brake disc dissipate heat, the inner side of the disc brake caliper 2 has the brake pad 5, the disc brake caliper 2 is disposed beside the two friction surfaces 1 of the disc brake disc, the disc brake caliper 2 drives the brake pad 5 to approach and press the friction surface 1 by air pressure or hydraulic pressure to generate friction force, the through hole 3 is disposed on the friction surface 1 to penetrate through the two layers of the disc brake disc to help ventilation and heat dissipation, and discharge friction debris, the fixing hole 4 is used for fixing the disc brake disc to a rotating wheel, and the disc brake caliper 2 is fixed on a vehicle body, brake caliper 2 in this figure with the structure of disc brake dish is the schematic diagram, and in practical application, disc brake caliper 2 has multiple drive form, and is common including drawing with the line, modes such as atmospheric pressure, hydraulic pressure, still according to brake block 5's movable mode has single action formula and double acting formula, the disc brake dish also has various shapes, all can combine the setting with this application.

FIG. 5 is a schematic front view of a double-layer brake apparatus of the present invention, including a disc brake disc and a brake caliper, in which the disc brake disc has the friction surface 1 thereon, the through holes 3 and the

fixing holes

4, 2 are the disc brake caliper, the friction surface 1 is provided with a plurality of through holes 3 along the axial direction of the disc brake disc, the through holes 3 are uniformly distributed along the circumference of the disc brake disc, a plurality of circular rings arranged concentrically with the disc brake disc on the friction surface 1 are the concave strips 7 and the convex strips 6, the concave strips 7 and the convex strips 6 are not limited by the through holes 3, the surfaces of the brake pad 5 adjacent to the friction surface 1 are also provided with the surfaces of the concave strips 7 and the convex strips 6 adapted to the friction surface 1, the surface of the brake pad 5 connected to the disc brake caliper 2 is also provided with the same surface, so that the thickness of each position of the brake pad 5 is kept unchanged, the surface of the disc brake caliper 2 fixed to the brake pad 5 is adapted to the surface of the brake pad 5, due to the arrangement, the friction surface 1 and the brake pad 5 can be synchronously worn in the using process, the condition of uneven thickness caused by friction loss is avoided, and the problems of waste and safety are avoided.

Fig. 6 is a schematic cross-sectional view of the disc brake disc of the double-layer brake device of fig. 4 of the present invention, in which the disc brake disc has a double-layer structure fixed by the connecting rib 8, the two friction surfaces 1 of the disc brake disc have the concave strips 7 and the convex strips 6, and the concave strips 7 and the convex strips 6 of the two friction surfaces 1 back to back or along the axial direction of the disc brake disc are complementary, so that the thickness of the disc brake disc at the whole position of the friction surface 1 is kept constant, the areas of the two friction surfaces 1 are increased, the disc brake surfaces 1 of the double-layer disc brake disc are provided with the through holes 3, and the fixing holes 4 are further provided.

Fig. 7 is a schematic cross-sectional view of a basic structure of a drum brake apparatus according to the present invention, which includes a cylindrical hollow brake drum 9, the brake pad 5 is fixed on the brake shoe 10, is connected to the driving device through the brake shoe 10, and is disposed inside the brake drum 9, the brake pad 5 is arc-shaped, the driving device generally uses a hydraulic pump inside a car, which is not shown in the figure, the driving device drives the brake shoe 10 and the brake pad 5 to outwardly friction against an inner wall of the brake drum 9 to perform brake, the inner wall of the brake drum 9 and a mutual friction surface of the brake pad 5 are provided with the concave strips and the convex strips which are mutually matched along the same friction direction, the concave strips and the convex strips are axially spaced along the brake drum, and the design is such that the friction surface between the inner wall of the brake drum 9 and the brake pad 5 is changed from a flat surface to a curved surface, the friction area is increased, under the condition of using the same pressure intensity, namely, the friction force is increased, the heat dissipation area is also increased, the brake drum 9 is the rotor in the method, the brake pad 5 and the driving device are stators, the outer surface corresponding to the inner wall friction surface of the brake drum 9 is also provided with the mutually adaptive concave strips and convex strips as shown in the figure, the surface where the brake strips 5 and the brake shoes 10 are connected with each other is also provided with the mutually adaptive concave strips and convex strips as shown in the figure, the fixing holes 4 are used for fixing the brake drum 9 and are fixed on a wheel hub on an automobile, and the design is also beneficial to enhancing the radial compressive strength of the brake drum 9 and preventing the brake pad 5 arranged inside the brake drum from deforming when pressure is applied outwards.

Fig. 8 is a schematic cross-sectional view of a brake drum of a drum brake apparatus according to the present invention, wherein 4 is the fixing hole, 9 is the brake drum, and 11 is the waterproof rim, and this embodiment is used for illustration, and the method and apparatus according to the present invention can be applied to an arrangement in which all of the fixing hole is a convex strip, such as a convex strip provided on the friction surface of the inner wall of the brake drum 9 in this embodiment.

Concave strip and sand grip set up in 9 inner walls of brake drum concave strip and sand grip along 9 circumference of brake drum distributes, on the brake drum 9 concave strip and sand grip along 9 circumferencial direction of brake drum are intermittent setting, intermittent setting can increase ventilation heat dispersion, and the piece that the friction of discharge produced, intermittent setting has similar ABS's function simultaneously, improves brake efficiency.

Brake block 5, brake block 5's friction surface still is equipped with along the horizontal or oblique slot of direction of friction, because drum device of stopping 5 length and width ratio are great, long-time friction gathering a large amount of heats in the friction surface, the slot can strengthen the heat dissipation, and this easy understanding no longer shows in this figure.

In the various embodiments of the present invention described above, the present invention has been described only by way of selected embodiments, which are intended to illustrate and not to limit the present invention.

Claims

1. A brake enhancing method, the brake has a stator and a rotor, the stator and the rotor have mutual friction surfaces to generate friction force to realize the brake, the method is that the concave strips or/and convex strips along the same direction of the relative friction movement of the stator and the rotor are adopted on the friction surfaces of the stator and the rotor to increase the area of the friction surfaces of the stator and the rotor, the shapes of the concave strips or/and convex strips on the stator and the rotor are mutually matched, thus the arrangement can increase the area of the friction surfaces of the stator and the rotor and the heat dissipation area, and realize the function of enhancing the brake.

2. The utility model provides a dish device of stopping, includes that the dish is stopped the dish and the dish pincers of stopping, the dish is stopped the dish and is circular, the dish is stopped the dish and is had the edge that is used for the friction brake two sides of dish axial symmetry are stopped to the dish, are called the friction surface, the dish pincers of stopping are equipped with the brake block, the brake block is close to the dish is stopped a both sides the friction surface is realized the brake through pressing from both sides tight pivoted friction surface, its characterized in that: the brake pad is provided with the concave strips or/and the convex strips matched with the brake pad, and the concave strips or/and the convex strips on the friction surface are concentrically arranged with the disc brake disc along the circumference.

3. A friction face as claimed in claim 2 wherein: the friction surface symmetrically set up in disc brake dish periphery both sides, both sides on the friction surface concave strip or/and sand grip along disc brake dish axial complementation, one promptly the friction surface is concave strip, corresponds disc brake dish axial position another friction surface is the sand grip.

4. A friction face as claimed in claim 2 wherein: the friction surface is equipped with along the dish is stopped a plurality of through-holes of dish axial, the through-hole along the dish is stopped a dish circumference evenly distributed.

5. The disc brake disc of claim 2, wherein: the periphery of the disc brake disc is in a wave shape.

6. The utility model provides a double-deck dish device of stopping, stops the pincers including dish and dish, the dish is stopped and is coiled for circular, the dish is stopped the dish and is had the edge that is used for the friction brake two sides of dish axial symmetry are stopped to the dish, be called the friction surface, the dish is stopped and is coiled bilayer structure, the dish is stopped pincers and is equipped with the brake block, the brake block is close to dish both sides are stopped to the dish friction surface and through pressing from both sides tight pivoted the brake is realized to the friction surface, its characterized in that: be equipped with on the friction surface along the friction equidirectional concave strip or/and sand grip, the brake block be equipped with its adaptation concave strip or/and sand grip, the friction surface concave strip or/and sand grip along the circumference with the dish is stopped and is coiled the concentric setting, both sides on the friction surface concave strip or/and sand grip along the dish is stopped and is coiled the axial compliment, one promptly the friction surface is concave strip, corresponds another of dish axial position is stopped to the dish the friction surface is the sand grip, the friction surface be equipped with along the axial a plurality of through-holes of dish are stopped to the dish, the through-hole along dish is stopped and coiled the circumference evenly distributed.

7. The utility model provides a drum device of stopping, includes cylinder cavity brake drum, brake block and drive arrangement, the brake block is the arc, is fixed in the brake shoe, through drive arrangement is connected to the brake shoe, and sets up inside the brake drum, drive arrangement drives the brake shoe with the friction is opened outward to the brake block brake drum inner wall realizes brake braking, its characterized in that: the friction surfaces of the inner wall of the brake drum and the brake pad are provided with concave strips or/and convex strips which are matched with each other along the same friction direction, and the concave strips or/and the convex strips arranged on the inner wall of the brake drum are distributed along the circumference of the inner wall of the brake drum.

8. The drum brake apparatus of claim 7, wherein: the outer surface of the brake drum can be provided with fins, so that heat dissipation is further increased.

9. The brake pad of claim 7, wherein: the friction surface of the brake pad is also provided with a transverse or oblique groove along the friction direction.

10. The method and apparatus of the present application as claimed in claims 1 to 8 are applicable to the fields of vehicles, construction machinery, electric tools, and wind power generation.