CN217761815U

CN217761815U - Electromagnetic disc brake

Info

Publication number: CN217761815U
Application number: CN202221600086.8U
Authority: CN
Inventors: 付居平; 李振山; 吕庆安; 张海涛
Original assignee: Shandong New Crane Industry Co ltd
Current assignee: Shandong New Crane Industry Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-11-08
Anticipated expiration: 2032-06-23

Abstract

The utility model discloses an electromagnetic disc brake relates to stopper technical field, including brake arm, electro-hydraulic impeller and protrusion piece, the lower surface welding of brake arm has the base, and the welding of top one side of base has first fixed plate, the outside laminating of first fixed plate has the second fixed plate, and the four corners of second fixed plate has all seted up the round hole, the inside through of round hole has the bolt, the outside skin weld of second fixed plate has electromagnet assembly, the electro-hydraulic impeller is located the brake arm inboard, the terminal welding of piston rod has the chassis, the inboard of brake block is provided with the brake disc, the protrusion piece is located the upper surface on brake block and chassis, the both sides of louvre all are provided with the heat pipe. The utility model discloses well brake arm adopts straight arm structure, has reduced stopper occupation space, and the electro-magnet is directly adorned on the brake arm, saves braking lever group, and the intermediate link is opened in the braking few, realizes opening the braking fast.

Description

Electromagnetic disc brake

Technical Field

The utility model discloses stopper technical field specifically is an electromagnetic disc brake.

Background

The automobile brake is a braking device of an automobile, the brakes used by the automobile are almost all friction type and can be divided into a drum type brake and a disc type brake, a rotating element in a drum type brake friction pair is a brake drum, and the working surface of the drum type brake friction pair is a cylindrical surface; the rotating element of a disc brake is a rotating brake disc, and the end face is a working surface, and the automotive brake refers to a component which generates a force (braking force) resisting the movement or movement tendency of a vehicle, and also includes a device in an auxiliary braking system.

The existing brake is mostly provided with a lever set, the lever set is high in abrasion maintenance cost, high temperature generated in the working process of the brake is not easy to release, the brake blocks are accumulated on the brake blocks for a long time, the service life of the brake blocks is shortened, and the electromagnetic disc brake is urgently needed.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing an electromagnetic disc brake to solve present stopper and be provided with the lever group mostly, lever group's wearing and tearing maintenance cost is high, and the brake is difficult for releasing at the high temperature that the course of the work produced, piles up on the brake block for a long time, reduces the life's of brake block problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electromagnetic disc brake, includes brake arm, electro-hydraulic impeller and protrusion piece, the lower surface welding of brake arm has the base, and the welding of top one side of base has first fixed plate, the outside laminating of first fixed plate has the second fixed plate, and the round hole has all been seted up in the four corners of second fixed plate, the inside of round hole is run through there is the bolt, the outside skin weld of second fixed plate has electromagnet assembly, and the top of brake arm is provided with powerful spring.

The electro-hydraulic thruster is located on the inner side of the brake arm, the outlet end of the electro-hydraulic thruster is connected with a piston rod, the tail end of the piston rod is welded with a chassis, a brake block is attached to the surface of the inner side of the chassis, and a brake disc is arranged on the inner side of the brake block.

The protruding block is located the upper surface of brake block and chassis, and the upper surface of chassis is inside to be seted up the louvre, the both sides of louvre all are provided with the heat pipe.

Preferably, the first fixing plate is in threaded connection with the second fixing plate through a bolt, and the brake arm is connected with the electromagnet assembly through the first fixing plate and the second fixing plate.

Preferably, the electromagnet assembly is electrically connected with the electric hydraulic thruster, and the electric hydraulic thruster forms a telescopic structure with the chassis through a piston rod.

Preferably, the brake blocks are arranged in two, and the brake blocks are parallel to each other.

Preferably, the inner side surface of the brake arm is provided with a sliding groove, the inner surface of the sliding groove is covered with a cushion layer, and the inner side of the cushion layer is connected with a sliding block in a sliding manner.

Preferably, the chassis is connected with the brake arm in a sliding mode through the sliding groove and the sliding blocks, and the sliding blocks are symmetrical with each other about a central axis of the chassis.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses well brake arm adopts straight arm structure, has reduced stopper occupation space, and the electro-magnet is directly adorned on the brake arm, saves braking lever group, and it is few to brake open the intermediate link, realizes opening the braking fast.

2. The utility model can avoid the suspension of the chassis by arranging the sliding chute and the sliding block, so that a stress point exists between the chassis and the brake arm, and partial reaction force received by the brake block in the process of preventing the brake disc from running is transmitted to the brake arm through the chassis, thereby being beneficial to protecting the electric hydraulic pusher and the piston rod and prolonging the service life of the device;

3. the utility model discloses a louvre and heat pipe release the heat in to the chassis, and the temperature difference at heat pipe both ends produces the heat transfer and forms good radiating effect, carries out effectual cooling for chassis and brake block.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the appearance structure of the present invention;

fig. 3 is a schematic view of the inner side of the brake arm according to the present invention;

fig. 4 is a schematic side view of the brake arm of the present invention.

In the figure: 1. a brake arm; 2. a base; 3. a first fixing plate; 4. a second fixing plate; 5. a circular hole; 6. a bolt; 7. an electromagnet assembly; 8. a strong spring; 9. a brake disc; 10. an electro-hydraulic thruster; 11. a piston rod; 12. a chassis; 13. a brake pad; 14. a protruding block; 15. a chute; 16. a soft cushion layer; 17. a slider; 18. heat dissipation holes; 19. a heat conducting pipe.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-2, an electromagnetic disc brake includes a brake arm 1, an electro-hydraulic pusher 10 and a protruding block 14, a base 2 is welded on the lower surface of the brake arm 1, a first fixing plate 3 is welded on one side of the top end of the base 2, a second fixing plate 4 is attached to the outer side of the first fixing plate 3, round holes 5 are formed in four corners of the second fixing plate 4, bolts 6 penetrate through the round holes 5, an electromagnet assembly 7 is welded on the outer side surface of the second fixing plate 4, a strong spring 8 is arranged on the top end of the brake arm 1, the first fixing plate 3 is in threaded connection with the second fixing plate 4 through the bolts 6, the brake arm 1 is connected with the electromagnet assembly 7 through the first fixing plate 3 and the second fixing plate 4, the brake arm 1 in the device is of a straight arm structure, the occupied space of the brake is reduced, the electromagnet assembly 7 is fixed on the top end of the brake arm 1 in a threaded connection mode, the brake arm is convenient to disassemble and directly install the electromagnet on the brake arm 1, a brake lever set is omitted, few intermediate links in the brake opening are achieved, and the brake is opened quickly.

Referring to fig. 1 and 3, in an electromagnetic disc brake, an electrohydraulic thruster 10 is located inside a brake arm 1, an outlet end of the electrohydraulic thruster 10 is connected with a piston rod 11, a base plate 12 is welded to a tail end of the piston rod 11, a brake pad 13 is attached to an inner side surface of the base plate 12, a brake disc 9 is disposed inside the brake pad 13, an electromagnet assembly 7 is electrically connected to the electrohydraulic thruster 10, the electrohydraulic thruster 10 and the base plate 12 form a telescopic structure through the piston rod 11, the electromagnetic disc brake provides driving force for the electrohydraulic thruster 10 through a strong spring 8 and the electromagnet assembly 7, so that the electrohydraulic thruster 10 pushes the two base plates 12 to approach each other through the piston rod 11, the two brake pads 13 are arranged, the brake pads 13 are parallel to each other, the base plate 12 and the brake pads 13 have the same frequency of movement, the brake disc 9 is located between the two brake pads 13, and the brake pads 13 approach each other to clamp and brake the brake disc 9.

Referring to fig. 1 and 4, in the electromagnetic disc brake, a protruding block 14 is located on the upper surfaces of a brake block 13 and a chassis 12, a heat dissipation hole 18 is formed in the upper surface of the chassis 12, heat conduction pipes 19 are respectively disposed on both sides of the heat dissipation hole 18, a sliding groove 15 is formed in the inner side surface of a brake arm 1, a cushion layer 16 covers the inner surface of the sliding groove 15, a sliding block 17 is slidably connected to the inner side of the cushion layer 16, the chassis 12 is slidably connected to the brake arm 1 through the sliding groove 15 and the sliding block 17, the sliding blocks 17 are symmetrical with respect to the central axis of the chassis 12, a stress point exists between the chassis 12 and the brake arm 1 through the arrangement of the sliding groove 15 and the sliding block 17, a part of reaction force received by the brake block 13 in the process of preventing the brake disc 9 from running is transmitted to the brake arm 1 through the chassis 12, which is beneficial to protecting an electric hydraulic pusher 10 and a piston rod 11, and the cushion layer 16 is arranged for shock absorption, so as to weaken the influence of the reaction force on the brake arm 1 and maintain the stability of the brake arm 1.

The working principle is as follows: when the device is used, firstly, the electromagnet assembly 7 is fixedly installed at the top end of the brake arm 1 through the first fixing plate 3, the second fixing plate 4, the round hole 5 and the bolt 6, the electric hydraulic thruster 10 is provided with electric drive through the cooperation of the strong spring 8 and the electromagnet assembly 7, the electric hydraulic thruster 10 pushes the two base plates 12 and the brake blocks 13 to be close to each other through the piston rod 11, the brake disc 9 is located between the two brake blocks 13, the brake blocks 13 are close to each other to clamp and brake the brake disc 9, the brake blocks 13 rub with the brake disc 9 running at high speed to generate a large amount of heat, the heat overflows to the base plate 12, the heat in the base plate 12 is released through the heat dissipation holes 18 and the heat conduction pipes 19, the temperature difference at the two ends of the heat conduction pipes 19 generates heat transfer to form a good heat dissipation effect, the effective cooling is performed on the base plate 12 and the brake blocks 13, through the arrangement of the sliding grooves 15 and the sliding blocks 17, the base plate 12 can be prevented from being suspended, a stress point exists between the base plate 12 and the brake arm 1, and partial reaction force received by the brake block 13 in the process of preventing the brake disc 9 from running is transferred to the brake arm 1 through the base plate 12.

Those not described in detail in this specification are well within the skill of the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An electromagnetic disc brake comprising a brake arm (1), an electro-hydraulic pusher (10) and a projecting block (14), characterized in that: the brake arm is characterized in that a base (2) is welded on the lower surface of the brake arm (1), a first fixing plate (3) is welded on one side of the top end of the base (2), a second fixing plate (4) is attached to the outer side of the first fixing plate (3), round holes (5) are formed in four corners of the second fixing plate (4), bolts (6) penetrate through the round holes (5), an electromagnet assembly (7) is welded on the outer side surface of the second fixing plate (4), and a strong spring (8) is arranged on the top end of the brake arm (1);

the electro-hydraulic thruster (10) is positioned on the inner side of the brake arm (1), the outlet end of the electro-hydraulic thruster (10) is connected with a piston rod (11), the tail end of the piston rod (11) is welded with a chassis (12), a brake block (13) is attached to the surface of the inner side of the chassis (12), and a brake disc (9) is arranged on the inner side of the brake block (13);

the protruding block (14) is located on the upper surfaces of the brake block (13) and the chassis (12), heat dissipation holes (18) are formed in the upper surface of the chassis (12), and heat conduction pipes (19) are arranged on two sides of each heat dissipation hole (18).

2. An electromagnetic disc brake according to claim 1, characterised in that: the first fixing plate (3) is in threaded connection with the second fixing plate (4) through a bolt (6), and the brake arm (1) is connected with the electromagnet assembly (7) through the first fixing plate (3) and the second fixing plate (4).

3. An electromagnetic disc brake according to claim 1, characterised in that: the electromagnet assembly (7) is electrically connected with the electric hydraulic thruster (10), and the electric hydraulic thruster (10) and the chassis (12) form a telescopic structure through a piston rod (11).

4. An electromagnetic disc brake according to claim 1, characterised in that: the number of the brake blocks (13) is two, and the brake blocks (13) are parallel to each other.

5. An electromagnetic disc brake according to claim 1, characterised in that: the inner side surface of the brake arm (1) is provided with a sliding groove (15), the inner surface of the sliding groove (15) is covered with a soft cushion layer (16), and the inner side of the soft cushion layer (16) is connected with a sliding block (17) in a sliding mode.

6. An electromagnetic disc brake according to claim 5, characterised in that: the chassis (12) is in sliding connection with the brake arm (1) through a sliding groove (15) and sliding blocks (17), and the sliding blocks (17) are symmetrical with each other about a central axis of the chassis (12).