CN221145103U

CN221145103U - Air-cooled magnetic powder brake

Info

Publication number: CN221145103U
Application number: CN202323253842.1U
Authority: CN
Inventors: 李席; 李英; 金梦丹; 李德金
Original assignee: Zhejiang Shangkong Technology Co ltd
Current assignee: Zhejiang Shangkong Technology Co ltd
Priority date: 2023-11-30
Filing date: 2023-11-30
Publication date: 2024-06-14
Anticipated expiration: 2033-11-30

Abstract

The utility model relates to the technical field of brakes, and discloses an air-cooled magnetic powder brake which comprises a carrier, a cover, an air cooling assembly and a rotating shaft, wherein the carrier comprises a shell, the cover is arranged on a port of the shell, the air cooling assembly is arranged on one side of the shell, which is far away from the cover, the rotating shaft penetrates through the carrier and the cover, the rotating shaft is positioned on the inner sides of the carrier and the cover, and the air cooling assembly is driven by the rotating shaft. According to the utility model, through the arrangement of the air cooling assembly, when an external power supply is connected through the wiring terminal, the rotating shaft is driven to rotate, and when the rotating shaft rotates, the blades are driven to rotate, and when the blades rotate, surrounding air flows are driven to flow, and through the air holes and the second air inlets, the heat in the brake is conveniently exchanged with the air flow on the outer wall, so that the heat dissipation in the brake is achieved, and the function damage caused by long-time work of the internal coil of the brake is reduced.

Description

Air-cooled magnetic powder brake

Technical Field

The utility model relates to the technical field of brake equipment, in particular to an air-cooled magnetic powder brake.

Background

The magnetic powder brake is an automatic control component with excellent performance. The magnetic powder is used as working medium and exciting current is used as control means to achieve the aim of controlling the fluctuation braking or the fluctuation transmission torque in a slip direction. The output torque and exciting current have good linear relation to make the brake torque smoothly change along with the change of voltage and current, and has the advantages of sensitive response speed, simple structure and the like. The tension automatic control system is widely applied to the tension automatic control systems of coiling and discharging devices related to printing, packaging, papermaking, paper processing, spinning, printing, wire, cable, rubber leather, metal foil belt processing and the like.

The utility model provides a number 200910264887. X discloses a magnetic powder brake, including the pivot, the upper cover body, the lower cover body, the coil, the lower cover body is installed and is formed a cavity in the upper cover body, be equipped with the sealing washer in the cavity, the pivot is worn to locate in the pivot hole of upper cover body, the lower cover body, the cover is equipped with the bearing in the pivot, the bearing is fixed in upper cover body, in the lower cover body shaft hole, be equipped with the rotor in the pivot, the periphery of rotor overlaps in proper order and is equipped with non-magnetic ring body, the coil, non-magnetic ring body, the upper cover body, the lower cover body, the sealing washer forms the magnetic powder room of holding magnetic powder, its structural design scientific and simple, small, use simple to operate, diversified installation, not receive the position limitation.

Such setting is convenient for use and installation, but can diversely install, not receive the position restriction, but the magnetic powder brake of this setting is at the during operation of long time, and its inner structure and coil can produce heat, and the heat that produces gathers in its inside and can cause the influence to the performance of this brake, therefore the magnetic powder brake based on this setting need set up corresponding forced air cooling structure.

Disclosure of Invention

The present utility model is directed to an air-cooled magnetic powder brake to solve the above-mentioned problems.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

The utility model relates to an air-cooled magnetic powder brake, which comprises a carrier, a cover, an air cooling assembly and a rotating shaft, wherein the carrier comprises a shell, the cover is arranged on a port of the shell, the air cooling assembly is arranged on one side of the shell far away from the cover, and the purpose of the arrangement is to radiate heat of the brake through the air cooling assembly;

The rotating shaft penetrates through the carrier and the cover, the rotating shaft is positioned on the inner side of the carrier and the cover, the air cooling assembly is driven through the rotating shaft, the purpose of the arrangement is to drive, firstly, external equipment is driven, and secondly, the air cooling assembly is driven to dissipate heat of the brake.

Further, the carrier also comprises a coil, a cavity is arranged in the shell, the cavities are annularly arranged in the shell, and the coil is arranged in the cavity, so that electromagnetic induction is formed when the coil is electrified.

Further, the lid includes the lid, fixedly connected with lug on the outer wall of lid, the port that the lid was installed at the casing goes out, the lug extends to the inside of casing, casing and lug form the second cavity, and this is its lid and casing installation, and the second cavity conveniently packs into the magnetic powder.

Further, the pivot runs through the outer wall of lid and casing, the pivot rotates with the outer wall of lid and casing to be connected, fixedly connected with commentaries on classics piece on the outer wall of pivot, commentaries on classics piece is in the inside of second cavity, commentaries on classics piece and second cavity inner wall leave the gap, cavity and second cavity are on the coplanar, and the purpose of setting like this is that the magnetic powder is in between the gap of commentaries on classics piece and second cavity, is influenced by coil electromagnetic induction simultaneously, when giving the coil circular telegram, produces the magnetic field, and the magnetic field conduction is on the magnetic powder between commentaries on classics piece and the second cavity, and the magnetic powder has rheological properties, and under the effect of magnetic field, the magnetic powder begins to become the damping effect of a viscosity, and this kind of damping effect can make the rotor receive the effect of braking moment to reach the effect of braking.

Further, a first ventilation opening is formed in the outer wall of the cover body, the first ventilation opening extends to the inside of the shell, the purpose of the arrangement is used for radiating heat, a wiring terminal is fixedly connected to the outer wall of the shell, and the purpose of the arrangement is used for accessing an external power supply.

Further, the forced air cooling subassembly includes the collar, the collar is installed on the port that the lid was kept away from to the casing, one side fixedly connected with protection casing that the casing was kept away from to the collar, the gas pocket has been seted up on the outer wall of protection casing, the pivot is in fixedly connected with a plurality of blade on the one end outer wall of protection casing, a plurality of second ventilation opening has been seted up on the outer wall of collar, casing and protection casing communicate each other through the second ventilation opening, and the purpose of setting like this is when rotating through the pivot, drives the blade and rotates, and when the blade rotates to drive the surrounding air flow, through gas pocket and second ventilation opening, make things convenient for inside heat of stopper to exchange with the outer wall air current, thereby reach and dispel the heat to inside the stopper.

The utility model has the following beneficial effects:

(1) According to the utility model, through the arrangement of the air cooling assembly, when an external power supply is connected through the wiring terminal, the rotating shaft is driven to rotate, and when the rotating shaft rotates, the blades are driven to rotate, and when the blades rotate, surrounding air flows are driven to flow, and through the air holes and the second air inlets, the heat in the brake is conveniently exchanged with the air flow on the outer wall, so that the heat dissipation in the brake is achieved, and the function damage caused by long-time work of the internal coil of the brake is reduced.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the present utility model;

FIG. 3 is a schematic view of the cover and housing of the present utility model in a disassembled configuration;

FIG. 4 is a schematic view of the cover and housing of the present utility model in a disassembled configuration;

FIG. 5 is a schematic view of the shield and housing structure of the present utility model;

in the drawings, the list of components represented by the various numbers is as follows:

In the figure: 1. a carrier; 101. a housing; 102. a cavity; 103. a coil; 104. a slit; 105. a terminal; 2. a cover; 201. a cover body; 202. a bump; 203. a first vent; 3. an air cooling assembly; 301. a mounting ring; 302. a protective cover; 303. air holes; 304. a blade; 305. a second vent; 4. a rotating shaft; 401. and (5) rotating the block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the utility model discloses an air-cooled magnetic powder brake, which comprises a carrier 1, a cover 2, an air cooling assembly 3 and a rotating shaft 4, wherein the carrier 1 comprises a shell 101, the cover 2 is arranged on a port of the shell 101, the air cooling assembly 3 is arranged on one side of the shell 101 far away from the cover 2, and the purpose of the arrangement is to radiate heat of the brake through the air cooling assembly 3;

The pivot 4, pivot 4 run through carrier 1 and lid 2, and pivot 4 is in the inboard of carrier 1 and lid 2, and air-cooled subassembly 3 drives through pivot 4, and the purpose of setting like this is driven, and firstly drive external equipment, secondly drive air-cooled subassembly 3 dispels the heat to the stopper.

The carrier 1 further comprises a coil 103, the interior of the housing 101 is provided with cavities 102, the cavities 102 are arranged in a ring shape in the interior of the housing 101, the coil 103 is mounted in the interior of the cavities 102, and the purpose of this arrangement is to form electromagnetic induction when the coil 103 is energized.

The cover 2 comprises a cover body 201, a protruding block 202 is fixedly connected to the outer wall of the cover body 201, the cover body 201 is arranged at a port of the shell 101, the protruding block 202 extends to the inside of the shell 101, the shell 101 and the protruding block 202 form a second cavity, the cover body 201 and the shell 101 are arranged, and the second cavity is convenient for containing magnetic powder.

The pivot 4 runs through the outer wall of lid 201 and casing 101, pivot 4 and lid 201 and casing 101's outer wall are rotated and are connected, fixedly connected with commentaries on classics piece 401 on the outer wall of pivot 4, commentaries on classics piece 401 is in the inside of second cavity, commentaries on classics piece 401 and second cavity inner wall leave gap 104, cavity 102 and second cavity are on the coplanar, the purpose of setting like this is that the magnetic powder is in between the gap 104 of commentaries on classics piece 401 and second cavity, simultaneously influenced by coil 103 electromagnetic induction, when the circular telegram is given to coil 103, produce the magnetic field, the magnetic field is conducted to the magnetic powder between commentaries on classics piece 401 and the second cavity on classics on piece, the magnetic powder has rheological property, under the effect of magnetic field, the magnetic powder begins to become the damping effect of a viscosity, this damping effect can make the rotor receive the effect of braking moment, thereby reach the effect of braking.

The outer wall of the cover 201 is provided with a first ventilation opening 203, the first ventilation opening 203 extends to the inside of the housing 101, the purpose of the arrangement is for heat dissipation, the outer wall of the housing 101 is fixedly connected with the wiring terminal 105, and the purpose of the arrangement is for external power supply connection.

The air cooling assembly 3 comprises a mounting ring 301, the mounting ring 301 is mounted on a port of the shell 101 far away from the cover 201, one side of the mounting ring 301 far away from the shell 101 is fixedly connected with a protective cover 302, an air hole 303 is formed in the outer wall of the protective cover 302, a plurality of blades 304 are fixedly connected to the outer wall of one end of the rotary shaft 4, a plurality of second air openings 305 are formed in the outer wall of the mounting ring 301, the shell 101 and the protective cover 302 are mutually communicated through the second air openings 305, when the rotary shaft 4 rotates, the blades 304 are driven to rotate, and when the blades 304 rotate, ambient air flow is driven to flow, heat inside the brake is conveniently exchanged with the air flow of the outer wall through the air holes 303 and the second air openings 305, and therefore heat dissipation inside the brake is achieved.

When the magnetic powder is powered on through the wiring terminal 105, the rotating shaft 4 is driven to rotate, the blades 304 are driven to rotate when the rotating shaft 4 rotates, the blades 304 are driven to rotate, thereby driving surrounding airflow to flow, the inside heat of the brake is conveniently exchanged with the outer wall airflow through the air holes 303 and the second air holes 305, thereby achieving the effect of radiating the inside of the brake, reducing the function damage of an internal coil of the brake caused by long-time work, and the magnetic powder is positioned between the rotating block 401 and the gap 104 of the second cavity and is influenced by electromagnetic induction of the coil 103, when the coil 103 is electrified, a magnetic field is generated, the magnetic field is conducted to the magnetic powder between the rotating block 401 and the second cavity, the magnetic powder has rheological property, the magnetic powder starts to become rheological under the action of the magnetic field, and a viscous damping effect is formed, and the damping effect can lead the rotor to be influenced by the braking torque, thereby achieving the braking effect.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. Air-cooled magnetic powder brake, including carrier (1), lid (2), forced air cooling subassembly (3) and pivot (4), its characterized in that: the carrier (1), the carrier (1) comprises a shell (101), the cover (2) is arranged on a port of the shell (101), and the air cooling assembly (3) is arranged on one side of the shell (101) away from the cover (2);

The rotating shaft (4), the rotating shaft (4) penetrates through the carrier (1) and the cover (2), the rotating shaft (4) is located on the inner sides of the carrier (1) and the cover (2), and the air cooling assembly (3) is driven through the rotating shaft (4).

2. An air-cooled magnetic powder brake as defined in claim 1, wherein: the carrier (1) further comprises a coil (103), a cavity (102) is arranged in the shell (101), the cavities (102) are annularly arranged in the shell (101), and the coil (103) is arranged in the cavity (102).

3. An air-cooled magnetic powder brake as defined in claim 2, wherein: the cover (2) comprises a cover body (201), a lug (202) is fixedly connected to the outer wall of the cover body (201), the cover body (201) is arranged at a port of the shell (101), the lug (202) extends to the inside of the shell (101), and the shell (101) and the lug (202) form a second cavity.

4. An air-cooled magnetic powder brake as defined in claim 3, wherein: the rotating shaft (4) penetrates through the outer walls of the cover body (201) and the shell body (101), the rotating shaft (4) is rotationally connected with the outer walls of the cover body (201) and the shell body (101), a rotating block (401) is fixedly connected to the outer wall of the rotating shaft (4), the rotating block (401) is located in the second cavity, a gap (104) is reserved between the rotating block (401) and the inner wall of the second cavity, and the cavity (102) and the second cavity are located on the same plane.

5. An air-cooled magnetic powder brake as defined in claim 4, wherein: the novel portable electronic device is characterized in that a first ventilation opening (203) is formed in the outer wall of the cover body (201), the first ventilation opening (203) extends to the inside of the shell body (101), and a wiring terminal (105) is fixedly connected to the outer wall of the shell body (101).

6. An air-cooled magnetic powder brake as defined in claim 1, wherein: the air cooling assembly (3) comprises a mounting ring (301), the mounting ring (301) is mounted on a port of a shell (101) far away from a cover body (201), one side of the mounting ring (301) far away from the shell (101) is fixedly connected with a protective cover (302), an air hole (303) is formed in the outer wall of the protective cover (302), a plurality of blades (304) are fixedly connected to the outer wall of one end of the rotary shaft (4) located in the protective cover (302), a plurality of second air vents (305) are formed in the outer wall of the mounting ring (301), and the shell (101) and the protective cover (302) are mutually communicated through the second air vents (305).