CN218953894U

CN218953894U - Electronic brake

Info

Publication number: CN218953894U
Application number: CN202320046932.4U
Authority: CN
Inventors: 黄锦平
Original assignee: Chongqing Hetian Electronic Technology Co ltd
Current assignee: Chongqing Hetian Electronic Technology Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-05-02
Anticipated expiration: 2033-01-09

Abstract

The utility model discloses an electronic brake, which comprises a shell, wherein a heat radiation cover is annularly arranged on the outer surface of the shell in a penetrating way, a stator is arranged on the rear wall of an inner cavity of the shell through bolts, a heat radiation plate is annularly arranged on the outer surface of the stator through bolts, and a plurality of groups of heat radiation fins are annularly arranged in the heat radiation plate in a penetrating way. According to the utility model, the heat radiating cover, the heat radiating plate and the heat radiating fins are arranged, so that the temperature is rapidly increased when the electronic brake is electrified and braked, most of radiation heat can be transmitted to the heat radiating fins through the heat radiating plate, a layer of heat conduction silicone grease is coated on the surfaces of a plurality of groups of heat radiating fins, so that the radiation heat is more effectively transmitted to the heat radiating fins, the heat radiating surface area is increased by a plurality of groups of heat radiating fins, the heat exchange can be effectively accelerated, a good heat radiating effect is achieved, and finally the rest heat is transmitted to the outside of the casing through the heat radiating cover, so that the influence of the radiation heat on equipment in the casing is avoided, and the service performance and the service life of the electronic brake are improved.

Description

Electronic brake

Technical Field

The utility model relates to the technical field of braking equipment, in particular to an electronic brake.

Background

The electronic brake is a mechanical device for stopping or decelerating a moving part in a machine, and has the advantages of compact structure, simplicity in operation, sensitive response, reliability in use, easiness in control and the like. The electronic brake is mainly matched with the transmission mechanism, and is usually designed and arranged at the tail part of the transmission equipment, and the electronic brake locks a transmission shaft in the transmission equipment, so that the braking action of the transmission equipment is realized.

The existing electronic brake mainly comprises an electromagnet, a friction piece and a brake piece. In the non-braking state, the braking piece and the friction piece are mutually spaced, and the electronic brake can not obstruct the normal movement of the motor at the moment; and in a braking state, the braking piece and the friction piece are combined with each other, so that the braking of the transmission shaft is realized through the friction force generated by the combination of the braking piece and the friction piece, and the braking action is completed.

However, in the electronic brake in the prior art, during the braking process, the eddy current in the armature interacts with the magnetic field to form a braking moment, so that the temperature is rapidly increased, and the service performance of the brake is affected and the normal service life of the brake is reduced seriously.

Disclosure of Invention

The utility model aims to provide an electronic brake, which solves the technical problems that equipment generates high temperature during braking and braking so as to influence the service performance and reduce the normal service life of the equipment due to the lack of an effective heat dissipation structure in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electronic brake, includes the casing, the surface annular of casing runs through and installs the radiator cover, the inner chamber back wall of casing passes through the bolt and installs the stator, the surface of stator passes through the bolt annular and installs the heating panel, the inside annular of heating panel runs through and installs a plurality of groups fin.

Preferably, the back of the shell is provided with a first mounting plate, the front of the first mounting plate is welded with a second mounting plate, the second mounting plate is positioned above the shell, and the outer surface of the inner ring of the stator is provided with a coil.

Preferably, a friction plate is arranged on the outer surface of the inner ring of the stator, the friction plate is positioned in front of the coil, and a fixing sleeve is arranged on the inner surface of the inner ring of the stator.

Preferably, the front of the casing is penetrated and provided with a wheel sleeve, the inner surface of the wheel sleeve is provided with a mounting groove, and the inner surface of the mounting groove is provided with a connecting key.

Preferably, the outer surface of the connecting key is connected with a transmission shaft, one end of the transmission shaft penetrates through the inner side of the fixed sleeve, and one end of the transmission shaft penetrates through the rear wall of the casing and the front surface of the first mounting plate.

Preferably, a wheel plate is mounted on the back surface of the wheel sleeve, a plate spring is mounted on the back surface of the wheel plate through a bolt, an armature is mounted on the back surface of the plate spring through a bolt, and a transmission shaft penetrates through the wheel plate, the plate spring and the inner side of the armature.

Preferably, the patch is installed at the bottom of the outer ring of the stator, two groups of wires are connected to the bottom of the patch in a penetrating manner, and one end of each wire penetrates through the bottom of the heat dissipation cover.

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

1. according to the utility model, the radiating cover, the radiating plate and the radiating fins are arranged, so that when the electronic brake is electrified and braked, the accumulated radiation heat can cause rapid temperature rise, at the moment, the radiating cover, the radiating plate and the radiating fins are matched to form a multi-stage radiating structure, most of the radiation heat is transmitted to the radiating fins through the radiating plate, the surfaces of the radiating fins are coated with a layer of heat-conducting silicone grease, so that the radiation heat is more effectively transmitted to the radiating fins and then radiated to the surrounding air through the radiating fins, the radiating surface area is increased by the radiating fins, the heat exchange can be effectively accelerated, a good radiating effect is achieved, and finally the residual heat is transmitted to the outside of the casing through the radiating cover, so that the influence of the radiation heat on equipment in the casing is avoided, and the service performance and the service life of the electronic brake are improved.

2. According to the utility model, the first mounting plate and the second mounting plate are arranged, so that a user can select to fixedly mount the electronic brake through the first mounting plate when the electronic brake is required to be vertically mounted in the mounting process of the electronic brake, and can select to fixedly mount the electronic brake through the second mounting plate when the electronic brake is required to be horizontally mounted, and the user can flexibly select the mounting position and the mounting direction according to actual conditions.

Drawings

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

FIG. 2 is a schematic illustration showing a brake structure according to the present utility model;

FIG. 3 is a schematic side sectional view of the present utility model;

FIG. 4 is an enlarged schematic view of the utility model at A;

fig. 5 is an enlarged schematic view of the utility model at B.

In the figure: 1. a housing; 2. a heat dissipation cover; 3. a stator; 4. a heat dissipation plate; 5. a heat sink; 6. a first mounting plate; 7. a second mounting plate; 8. a coil; 9. a friction plate; 10. a fixed sleeve; 11. a wheel sleeve; 12. a mounting groove; 13. a connecting key; 14. a transmission shaft; 15. a wheel plate; 16. a leaf spring; 17. an armature; 18. a patch; 19. and (5) conducting wires.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, 2, 3, 4 and 5, the present utility model provides an embodiment: an electronic brake;

the heat radiation device comprises a shell 1, wherein a heat radiation cover 2 is annularly arranged on the outer surface of the shell 1 in a penetrating way, a stator 3 is arranged on the rear wall of an inner cavity of the shell 1 through bolts, a heat radiation plate 4 is annularly arranged on the outer surface of the stator 3 through bolts, and a plurality of groups of heat radiation fins 5 are annularly arranged in the heat radiation plate 4 in a penetrating way; the shell 1 is used for bearing and stabilizing integral electronic brake equipment, when the electronic brake is electrified and braked, the accumulated radiation heat can cause rapid temperature rise in the working process, at the moment, the radiation heat can be matched with the radiating fins 5 through the radiating cover 2 and the radiating plate 4 to form a multi-stage radiating structure, most of the radiation heat is transmitted to the radiating fins 5 through the radiating plate 4, the surfaces of the radiating fins 5 are coated with a layer of heat-conducting silicone grease, so that the radiation heat is more effectively transmitted to the radiating fins 5 and then is emitted to the surrounding air through the radiating fins 5, the radiating surface area is increased by the radiating fins 5, the heat exchange can be effectively accelerated, a good radiating effect is achieved, finally the residual heat is transmitted to the outside of the shell 1 through the radiating cover 2, the influence of the radiation heat on equipment in the shell 1 is avoided, and the service performance and the working life of the electronic brake are improved;

further, a first mounting plate 6 is mounted on the back of the casing 1, a second mounting plate 7 is welded on the front of the first mounting plate 6, the second mounting plate 7 is located above the casing 1, a patch 18 is mounted at the bottom of an outer ring of the stator 3, two groups of wires 19 are connected to the bottom of the patch 18 in a penetrating manner, and one end of each wire 19 penetrates through the bottom of the heat dissipation cover 2; in the installation process of the electronic brake, when the electronic brake is required to be installed vertically, a user can select to fixedly install the electronic brake through the first mounting plate 6, and when the electronic brake is required to be installed horizontally, the user can select to fixedly install the electronic brake through the second mounting plate 7, so that the user can flexibly select the installation position and the installation direction according to actual conditions to install the electronic brake, and the lead 19 is connected with a power supply device and is used for providing required electric energy for the electronic brake;

further, the coil 8 is installed on the outer surface of the inner ring of the stator 3, the friction plate 9 is positioned in front of the coil 8, the fixing sleeve 10 is installed on the inner surface of the inner ring of the stator 3, the wheel sleeve 11 is installed on the front surface of the shell 1 in a penetrating manner, the installation groove 12 is formed in the inner surface of the wheel sleeve 11, the connecting key 13 is installed on the inner surface of the installation groove 12, the outer surface of the connecting key 13 is connected with the transmission shaft 14, one end of the transmission shaft 14 penetrates through the inner side of the fixing sleeve 10, one end of the transmission shaft 14 penetrates through the rear wall of the shell 1 and the front surface of the first installation plate 6, the wheel plate 15 is installed on the back surface of the wheel sleeve 11, the plate spring 16 is installed on the back surface of the plate spring 15 through bolts, the armature 17 is installed on the back surface of the plate spring 16 through bolts, and the transmission shaft 14 penetrates through the plate 15 and the plate spring 16 and the inner side of the armature 17; the wheel hub 11 and the wheel plate 15 are matched to function as an armature hub structure, the transmission shaft 14 is fixedly arranged together with the wheel hub 11 through the connecting key 13, the transmission shaft 14 drives the armature hub to synchronously rotate through the connecting key 13 in the power-off state of the electronic brake, the fixed sleeve 10 is used for ensuring the rotation stability of the transmission shaft 14, when the electronic brake needs to brake, the power supply is connected through the lead 19, the stator 3 generates corresponding electromagnetic force due to the coil 8 inside the stator 3, the armature 17 is further attracted, the armature 17 is connected with the wheel plate 15 through the plate spring 16, the armature 17 in the power-on state of the electronic brake is displaced to be attracted with the stator 3, the friction force between the friction plate 9 and the armature 17 is increased, the transmission shaft 14 is restrained to stop power, the braking action is completed, the electromagnetic force generated by the stator 3 and the coil 8 disappears, the braking contact is carried out, and the transmission shaft 14 is released.

Working principle: when the electronic brake is electrified and braked, the temperature is rapidly increased, at the moment, most of radiation heat is transmitted to the radiating fins 5 through the radiating plate 4, the radiating surface area is increased by the plurality of groups of radiating fins 5, heat exchange can be effectively accelerated, a good radiating effect is achieved, finally, the rest heat is transmitted to the outside of the shell 1 through the radiating cover 2, the influence of the radiation heat on equipment in the shell 1 is avoided, and the service performance and the service life of the electronic brake are improved; in the installation process of the electronic brake, a user can flexibly select the installation position and the direction according to actual conditions to install the electronic brake, when the electronic brake needs to be braked, a power supply is connected through a lead 19, the stator 3 generates corresponding electromagnetic force due to the coil 8 in the electronic brake, the armature 17 is further attracted, the transmission shaft 14 is restrained to stop power, braking action is completed, when the electronic brake is powered off, the electromagnetic force generated by the stator 3 and the coil 8 disappears, braking contact is realized, and the transmission shaft 14 is released.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. An electronic brake comprising a housing (1), characterized in that: the heat radiation device is characterized in that a heat radiation cover (2) is installed on the outer surface of the casing (1) in an annular penetrating mode, a stator (3) is installed on the rear wall of an inner cavity of the casing (1) through bolts, a heat radiation plate (4) is installed on the outer surface of the stator (3) in an annular penetrating mode through bolts, and a plurality of groups of heat radiation fins (5) are installed on the inner annular penetrating mode of the heat radiation plate (4).

2. An electronic brake according to claim 1, wherein: the back of casing (1) is installed first mounting panel (6), the front welding of first mounting panel (6) has second mounting panel (7), and second mounting panel (7) are located the top of casing (1), inner ring surface mounting of stator (3) has coil (8).

3. An electronic brake according to claim 1, wherein: the friction plate (9) is arranged on the outer surface of the inner ring of the stator (3), the friction plate (9) is positioned in front of the coil (8), and the fixing sleeve (10) is arranged on the inner surface of the inner ring of the stator (3).

4. An electronic brake according to claim 1, wherein: the front of the shell (1) is penetrated and provided with a wheel sleeve (11), the inner surface of the wheel sleeve (11) is provided with a mounting groove (12), and the inner surface of the mounting groove (12) is provided with a connecting key (13).

5. An electronic brake according to claim 4, wherein: the outer surface of the connecting key (13) is connected with a transmission shaft (14), one end of the transmission shaft (14) penetrates through the inner side of the fixed sleeve (10), and one end of the transmission shaft (14) penetrates through the rear wall of the shell (1) and the front surface of the first mounting plate (6).

6. An electronic brake according to claim 4, wherein: the back of wheel cover (11) is installed wheel board (15), leaf spring (16) are installed through the bolt in the back of wheel board (15), armature (17) are installed through the bolt in the back of leaf spring (16), and transmission shaft (14) pass the inboard of wheel board (15), leaf spring (16) and armature (17).

7. An electronic brake according to claim 1, wherein: the stator is characterized in that a patch (18) is arranged at the bottom of an outer ring of the stator (3), two groups of wires (19) are connected to the bottom of the patch (18) in a penetrating mode, and one end of each wire (19) penetrates through the bottom of the radiating cover (2).