阅读说明：本技术 一种车辆毂闸专用铁刹块及其制造方法 (Special iron brake block for vehicle hub brake and manufacturing method thereof ) 是由 孙浙勇 俞慧勇 于 2020-06-08 设计创作，主要内容包括：本发明公开了一种车辆毂闸专用铁刹块及其制造方法,包括弧形支撑钢架,所述弧形支撑钢架设置有一对,且弧形支撑钢架的外侧边焊接有外弧形钢板,且弧形支撑钢架的内侧边焊接有内弧形钢板,外弧形钢板和内弧形钢板之间焊接固定有加强筋,且弧形支撑钢架的上部端口设置有弧形折边,弧形支撑钢架的下部端口设置有直线折边,弧形支撑钢架的外侧边上均匀开设有第一吸音孔,弧形支撑钢架外侧边的第一吸音孔上贴合有摩擦片,且弧形支撑钢架上的两侧均匀开设有第二吸音孔,本发明中的铁刹块中弧形支撑钢架强度更高,且装配简单,制造工艺简单,且可减少刹车片摩擦噪音。(The invention discloses a special iron brake block for a vehicle hub brake and a manufacturing method thereof, comprising an arc-shaped support steel frame, wherein a pair of arc-shaped support steel frames are arranged, an outer arc-shaped steel plate is welded at the outer side edge of the arc-shaped supporting steel frame, an inner arc-shaped steel plate is welded at the inner side edge of the arc-shaped supporting steel frame, reinforcing ribs are welded and fixed between the outer arc-shaped steel plate and the inner arc-shaped steel plate, an arc-shaped folded edge is arranged at the upper port of the arc-shaped supporting steel frame, a linear folded edge is arranged at the lower port of the arc-shaped supporting steel frame, first sound absorption holes are uniformly formed in the outer side edge of the arc-shaped supporting steel frame, friction plates are attached to the first sound absorption holes in the outer side edge of the arc-shaped supporting steel frame, and the two sides of the arc-shaped supporting steel frame are uniformly provided with second sound absorbing holes, the arc-shaped supporting steel frame in the iron brake block has higher strength, is simple to assemble and manufacture, and can reduce the friction noise of the brake pad.)

1. A special iron brake block for a vehicle hub brake comprises arc-shaped supporting steel frames (1) and is characterized in that a pair of arc-shaped supporting steel frames (1) are arranged, an outer arc-shaped steel plate (3) is welded at the outer side edge of the arc-shaped supporting steel frame (1), an inner arc-shaped steel plate (4) is welded at the inner side edge of the arc-shaped supporting steel frame (1), a reinforcing rib (7) is welded and fixed between the outer arc-shaped steel plate (3) and the inner arc-shaped steel plate (4), an arc-shaped folding edge (5) is arranged at the upper port of the arc-shaped supporting steel frame (1), a linear folding edge (6) is arranged at the lower port of the arc-shaped supporting steel frame (1), first sound absorption holes (9) are uniformly formed in the outer side edge of the arc-shaped supporting steel frame (1), friction plates (2) are attached to the first sound absorption holes (9) in the outer side edge of the arc-shaped supporting steel frame (1), and second sound absorbing holes (10) are uniformly formed in two sides of the arc-shaped supporting steel frame (1).

2. The special iron brake block for the vehicle hub brake is characterized in that spring mounting holes (8) are formed in the upper portion and the lower portion of the arc-shaped supporting steel frame (1).

3. The special iron brake block for the vehicle hub brake is characterized in that the second sound absorption hole (10) is positioned between the reinforcing ribs (7) on the arc-shaped supporting steel frame (1).

4. The special iron brake block for the vehicle hub brake is characterized in that the second sound absorption hole (10) is communicated with the first sound absorption hole (9) on the outer side edge of the arc-shaped supporting steel frame (1), and a connecting channel of the second sound absorption hole (10) and the first sound absorption hole (9) is S-shaped.

5. The special iron brake block for the vehicle hub brake and the manufacturing method thereof according to claim 1 are characterized in that sound-absorbing cotton sheets are glued and fixed on the end surfaces of both sides of the reinforcing rib (7).

6. A manufacturing method of an iron brake block special for a vehicle hub brake is characterized by comprising the following steps:

s1, selecting materials, namely selecting an arc-shaped supporting steel frame blank, a plurality of steel plates, a plurality of steel blocks and friction plate blocks;

s2, polishing the end face of the selected arc-shaped support steel frame blank into an arc-shaped support steel frame, drilling spring mounting holes in the upper part and the lower part of the arc-shaped support steel frame, and folding the two ends of the arc-shaped support steel frame through stamping respectively;

s3, on the basis of S2, holes are formed in the back side of the arc-shaped supporting steel frame and the arc-shaped supporting steel frame, and the holes in the two positions are communicated;

s4, cutting the steel plate according to the length of the outer side and the inner side of the arc-shaped support steel frame to enable the length of the steel plate to be matched with that of the arc-shaped support steel frame, and bending the steel plate to enable the bending radian of the steel plate to be matched with the radians of the outer side and the inner side of the arc-shaped support steel frame;

s5, welding the arc-shaped steel plates in the S4 at the outer side and the inner side of the arc-shaped support steel frame, and welding matched steel blocks serving as reinforcing ribs between the arc-shaped steel plates at the outer side and the inner side and on the arc-shaped support steel frame;

and S5, cutting friction plates which are suitable for the outer side edge of the arc-shaped support steel frame on the friction plate blocks, and attaching the friction plates to the outer side edge of the arc-shaped support steel frame.

7. The method as claimed in claim 6, wherein the holes on the back side of the arc support steel frame and the arc support steel frame in the step S3 are communicated, and the communication channel is S-shaped.

8. The manufacturing method of the special iron brake block for the vehicle hub brake as claimed in claim 6, wherein in the step S2, the upper part of the arc-shaped supporting steel frame is stamped to form an arc-shaped folded edge which is concave inwards, and the lower part of the arc-shaped supporting steel frame is stamped to form a straight folded edge.

9. The manufacturing method of the special iron brake block for the vehicle hub brake as claimed in claim 6, wherein after the arc-shaped supporting steel frame is molded in the step S4, the outer surface of the arc-shaped supporting steel frame is plated with a hard alloy coating.

Technical Field

The invention relates to the technical field of iron brake blocks of a vehicle hub brake, in particular to an iron brake block special for the vehicle hub brake and a manufacturing method thereof.

Background

The brake block is also called as a brake shoe, which is an accessory pushed outwards by the action of a brake cam or a push rod to expand and press the brake drum to play a braking role, is arranged on the brake drum and is one of key safety parts in a vehicle braking system, and the brake block is in a half-moon shape, and when a brake is stepped on, two half-moon-shaped brake shoes are outwards expanded under the action of a brake wheel cylinder to support the brake shoes to rub the inner wall of the brake drum to play a role in speed reduction or parking.

The brake block that uses at present comprises friction disc, iron welt and crescent support frame and joint, all rivets through the joint in the end connection department of iron welt and crescent support frame, and the assembly is troublesome, can produce more sharp-pointed noise when the brake block uses simultaneously, and manufacturing process is troublesome.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an iron brake block special for a vehicle hub brake and a manufacturing method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a special iron of vehicle hub floodgate piece of stopping, including the arc support steelframe, the arc supports the steelframe and is provided with a pair ofly, and the outside limit welding of arc support steelframe has outer arc steel sheet, and the arc supports the inboard limit welding of steelframe has interior arc steel sheet, welded fastening has the strengthening rib between outer arc steel sheet and the interior arc steel sheet, and the arc supports the upper portion port of steelframe and is provided with the arc hem, the arc supports the lower part port of steelframe and is provided with sharp hem, first sound absorbing hole has evenly been seted up on the outside limit of arc support steelframe, the arc supports the laminating on the first sound absorbing hole on steelframe outside limit has the friction.

Preferably, spring mounting holes are formed in the upper portion and the lower portion of the arc-shaped supporting steel frame.

Preferably, the second sound absorbing hole is located between the reinforcing ribs on the arc-shaped supporting steel frame.

Preferably, the second sound absorbing hole is communicated with the first sound absorbing hole on the outer side of the arc-shaped supporting steel frame, and a connecting channel between the second sound absorbing hole and the first sound absorbing hole is S-shaped.

Preferably, the end faces of the two sides of the reinforcing rib are fixedly glued with sound-absorbing cotton sheets.

A manufacturing method of an iron brake block special for a vehicle hub brake comprises the following steps:

s1, selecting materials, namely selecting an arc-shaped supporting steel frame blank, a plurality of steel plates, a plurality of steel blocks and friction plate blocks;

s2, polishing the end face of the selected arc-shaped support steel frame blank into an arc-shaped support steel frame, drilling spring mounting holes in the upper part and the lower part of the arc-shaped support steel frame, and folding the two ends of the arc-shaped support steel frame through stamping respectively;

s3, on the basis of S2, holes are formed in the back side of the arc-shaped supporting steel frame and the arc-shaped supporting steel frame, and the holes in the two positions are communicated;

s4, cutting the steel plate according to the length of the outer side and the inner side of the arc-shaped support steel frame to enable the length of the steel plate to be matched with that of the arc-shaped support steel frame, and bending the steel plate to enable the bending radian of the steel plate to be matched with the radians of the outer side and the inner side of the arc-shaped support steel frame;

s5, welding the arc-shaped steel plates in the S4 at the outer side and the inner side of the arc-shaped support steel frame, and welding matched steel blocks serving as reinforcing ribs between the arc-shaped steel plates at the outer side and the inner side and on the arc-shaped support steel frame;

and S5, cutting friction plates which are suitable for the outer side edge of the arc-shaped support steel frame on the friction plate blocks, and attaching the friction plates to the outer side edge of the arc-shaped support steel frame.

Preferably, the holes on the back side of the arc-shaped support steel frame and the holes on the arc-shaped support steel frame in the S3 are communicated, and the communication channel is S-shaped.

Preferably, in S2, the upper portion of the arc-shaped supporting steel frame is stamped to form an inward-recessed arc-shaped folded edge, and the lower portion of the arc-shaped supporting steel frame is stamped to form a straight folded edge.

Preferably, after the arc-shaped support steel frame is molded in S4, the outer surface of the arc-shaped support steel frame is plated with a hard alloy coating.

The invention has the beneficial effects that:

the arc-shaped supporting steel frame in the iron brake block has higher strength, simple assembly and simple manufacturing process, and can reduce the friction noise of the brake pad.

Drawings

Fig. 1 is a schematic structural view of an iron brake block specially used for a vehicle hub brake according to the present invention;

fig. 2 is a schematic side view of an arc-shaped support frame of an iron brake block special for a vehicle hub brake provided by the invention.

Fig. 3 is a schematic flow chart of a manufacturing method of an iron brake block special for a vehicle hub brake provided by the invention.

In the figure: 1 arc support frame, 2 friction discs, 3 outer arc steel plates, 4 inner arc steel plates, 5 arc hems, 6 straight line hems, 7 reinforcing ribs, 8 spring mounting holes, 9 first sound absorbing holes and 10 second sound absorbing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a special iron brake block for a vehicle hub brake comprises an arc-shaped support steel frame 1, wherein the arc-shaped support steel frame 1 is provided with a pair of arc-shaped support steel frames 1, an outer arc-shaped steel plate 3 is welded on the outer side edge of each arc-shaped support steel frame 1, an inner arc-shaped steel plate 4 is welded on the inner side edge of each arc-shaped support steel frame 1, a reinforcing rib 7 is welded and fixed between the outer arc-shaped steel plate 3 and the inner arc-shaped steel plate 4, an arc-shaped folding edge 5 is arranged at the upper port of each arc-shaped support steel frame 1, a linear folding edge 6 is arranged at the lower port of each arc-shaped support steel frame 1, first sound absorption holes 9 are uniformly formed in the outer side edge of each arc-shaped support steel frame 1, friction plates;

spring mounting holes 8 are formed in the upper part and the lower part of the arc-shaped supporting steel frame 1;

further, the sound hole 10 is inhaled to the second and is located between the strengthening rib 7 on the arc supports steelframe 1, and the sound hole 10 is inhaled with the arc and supports the first sound hole 9 intercommunication on the 1 outside limit of steelframe to the second, and the second is inhaled the connecting channel of sound hole 10 and first sound hole 9 and is the S type form, and the both sides terminal surface of strengthening rib 7 is all glued and is fixed with the cotton piece of sound of inhaling.

A manufacturing method of an iron brake block special for a vehicle hub brake comprises the following steps:

s1, selecting materials, namely selecting an arc-shaped supporting steel frame blank, a plurality of steel plates, a plurality of steel blocks and friction plate blocks;

s2, polishing the end face of the selected arc-shaped support steel frame blank into an arc-shaped support steel frame, drilling spring mounting holes in the upper portion and the lower portion of the arc-shaped support steel frame, respectively folding the two ends of the arc-shaped support steel frame through stamping, stamping the upper portion of the arc-shaped support steel frame into an arc-shaped folding edge which is recessed inwards, and stamping the lower portion of the arc-shaped support steel frame into a linear folding edge;

s3, on the basis of S2, holes are formed in the back side of the arc-shaped supporting steel frame and the arc-shaped supporting steel frame, the holes in the two positions are communicated, and the communication channel is S-shaped;

s4, cutting the steel plate according to the length of the outer side and the inner side of the arc-shaped support steel frame to enable the length of the steel plate to be matched with that of the arc-shaped support steel frame, and bending the steel plate to enable the bending radian of the steel plate to be matched with the radians of the outer side and the inner side of the arc-shaped support steel frame;

s5, welding the arc-shaped steel plates in the step S4 at the outer side and the inner side of the arc-shaped support steel frame, welding adaptive steel blocks serving as reinforcing ribs between the arc-shaped steel plates at the outer side and the inner side and on the arc-shaped support steel frame, and plating a hard alloy coating on the outer surface of the arc-shaped support steel frame after the arc-shaped support steel frame is molded;

and S5, cutting friction plates which are suitable for the outer side edge of the arc-shaped support steel frame on the friction plate blocks, and attaching the friction plates to the outer side edge of the arc-shaped support steel frame.

In this embodiment, the arc supports steelframe 1 and is provided with a pair ofly, in spring mounting hole 8 between through spring horizontal installation, and by outer arc shaped steel sheet 3, interior arc shaped steel sheet 4 and strengthening rib 7 carry out the auxiliary stay fixed, make the arc support steelframe 1's intensity higher, two arcs support the sharp hem 6 of steelframe 1's lower part port simultaneously and the arc hem 5 of a port corresponding, during friction disc 2 friction, sound noise reduction is inhaled to first sound absorption hole 9 and second sound absorption hole 10, and the supplementary sound of inhaling of the cotton piece of sound on the strengthening rib 7, make during friction disc 2 friction, sound reduces.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.