CN216131290U

CN216131290U - Claw type eddy current brake

Info

Publication number: CN216131290U
Application number: CN202121970953.2U
Authority: CN
Inventors: 郝晓艳
Original assignee: Zhejiang Tianhuan Machinery Co ltd
Current assignee: Zhejiang Tianhuan Machinery Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-03-25
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a claw type eddy current brake, which relates to the technical field of brakes, in particular to a claw type eddy current brake, which comprises a rear fixing plate, a rotary disc and a front fixing plate, wherein a rear brake disc is installed on the rear side of the rotary disc, a second front brake disc is installed on the front side of the rotary disc, a rubber plug is fixedly installed on the front side of the rear brake disc, and a reset spring is fixedly connected on the rear side of the front fixing plate. This claw formula eddy current brake, through side set up back brake disc and preceding brake disc respectively around the carousel, the rear side fixed mounting rubber buffer of brake disc before making, make inside the preceding brake disc that the rubber buffer extends to the carousel rear side, make back brake disc and preceding brake disc fix through preceding brake disc and nut, the degree of wear that can effectively reduce the carousel through setting up of rubber buffer, be convenient for simultaneously increase the life of carousel, the convenient timely quick replacement after preceding brake disc takes place to wear with preceding brake disc.

Description

Claw type eddy current brake

Technical Field

The utility model relates to the technical field of brakes, in particular to a claw type eddy current brake.

Background

The brake is a device with the functions of decelerating, stopping or keeping a moving part (or a moving machine) in a stopped state, and the like, is a mechanical part for stopping or decelerating the moving part in the machine, is commonly called as a brake and a brake, mainly comprises a braking frame, a braking part, an operating device and the like, some brakes are also provided with automatic adjusting devices of braking part gaps, in order to reduce braking torque and structural size, the brakes are usually arranged on a high-speed shaft of the equipment, but large equipment (such as mine hoist, elevator, etc.) with higher requirement on safety should be arranged on a low-speed shaft close to the working part of the equipment, the electromagnetic eddy current brake is moderate to generate an eddy current braking mode, the electromagnetic eddy current brake absorbs power by using the principle of eddy current loss, the output torque and the exciting current have good linear relation, and the device has the advantages of high response speed, simple structure and the like.

The claw type eddy current brake has the advantages that the abrasion speed is high in the continuous braking process of the existing electromagnetic eddy current brake, the friction disc is required to be replaced after the existing electromagnetic eddy current brake is used for a period of time, the abrasion of the rotation disc is high after the existing electromagnetic eddy current brake is used for a long time, the service life of the rotation disc is shortened, and therefore the claw type eddy current brake is provided.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies of the prior art, the present invention provides a claw type eddy current brake that solves the problems set forth in the background art described above.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a claw formula eddy current brake, includes after-fixing board and carousel and preceding fixed plate, the back brake disc is installed to the rear side of carousel, the front side of carousel is installed the preceding brake disc of second, and the front side fixed mounting of brake disc has the rubber buffer after institute, the rear side fixedly connected with reset spring of preceding fixed plate, reset spring's rear side fixedly connected with connecting plate, the rear side fixed mounting of connecting plate has the pawl.

Optionally, the front fixed mounting of after-fixing plate has the electromagnetism piece, the back fixedly connected with wire of electromagnetism piece, the wire extends to the rear end of after-fixing plate after to.

Optionally, the inside braking hole that link up around having seted up of back brake disc and the preceding brake disc of second, the rear side movable mounting of back brake disc has first preceding brake disc, the front end of first preceding brake disc extends to the front side of the preceding brake disc of second, the outside movable sleeve of first preceding brake disc front end is equipped with the nut.

Optionally, an outer limiting sleeve is fixedly mounted behind the front fixing plate, a limiting inner sleeve is movably sleeved in an inner cavity of the outer limiting sleeve, a limiting groove is formed in the inner side of the outer limiting sleeve, and a limiting block is fixedly mounted outside the limiting inner sleeve.

Optionally, the limiting block is movably sleeved inside the limiting groove, the return spring is located in an inner cavity of the limiting inner sleeve, and the rear end of the limiting inner sleeve is fixedly connected with the front surface of the connecting plate.

Optionally, brake hole and brake jaw are parallel to each other around, the diameter value in brake hole is the same with the diameter value of brake jaw, the rubber buffer extends to the inside of brake disc before the second forward, the draw-in groove of adaptation rubber buffer is seted up to the inside of brake disc before carousel and the second.

The utility model provides a claw type eddy current brake, which has the following beneficial effects:

1. this claw formula eddy current brake, through side set up back brake disc and preceding brake disc respectively around the carousel, the rear side fixed mounting rubber buffer of brake disc before making, make inside the preceding brake disc that the rubber buffer extends to the carousel rear side, make back brake disc and preceding brake disc fix through preceding brake disc and nut, the degree of wear that can effectively reduce the carousel through setting up of rubber buffer, be convenient for simultaneously increase the life of carousel, the convenient timely quick replacement after preceding brake disc takes place to wear with preceding brake disc.

2. This claw formula eddy current brake, through spacing cover and spacing endotheca outside the rear side installation at the spacing groove, make the inner chamber of spacing cover set up the spacing groove outward, make the outside fixed mounting stopper of spacing endotheca, the reset spring who is located spacing endotheca inner chamber in the installation of spacing groove rear side, make reset spring's rear side rear end installation connecting plate, install the brake caliper at the rear side of connecting plate, brake the hole is seted up to the inboard of brake disc and preceding brake disc in the front, the convenient braking through brake caliper and brake hole completion carousel.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the present invention in a disassembled state;

FIG. 3 is a schematic view of the structure of the brake hole of the present invention;

fig. 4 is a schematic structural view of the brake pawl of the present invention.

In the figure: 1. a rear fixing plate; 2. an electromagnetic block; 3. a wire; 4. a turntable; 5. a rear brake disk; 6. a brake hole; 7. a first front brake disk; 8. a rubber plug; 9. a second front brake disk; 10. a front fixing plate; 11. an outer limiting sleeve; 12. a limiting groove; 13. a limiting inner sleeve; 14. a limiting block; 15. a return spring; 16. a connecting plate; 17. and a brake claw.

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 to 2, the present invention provides a technical solution: a claw type eddy current brake comprises a rear fixing plate 1, a rotary disc 4 and a front fixing plate 10, wherein an electromagnetic block 2 is fixedly installed in the front of the rear fixing plate 1, a lead 3 is fixedly connected to the back of the electromagnetic block 2, the lead 3 extends backwards to the rear end of the rear fixing plate 1, the position of a brake claw 17 is convenient to control through the arrangement of the electromagnetic block 2 and the lead 3, the movement and the stop of the rotary disc 4 are further controlled, the use of the device is convenient, the arrangement of the electromagnetic block 2 and the lead 3 mainly plays a role in braking the rotary disc 4, a rear brake disc 5 is installed on the rear side of the rotary disc 4, a second front brake disc 9 is installed on the front side of the rotary disc 4, a rubber plug 8 is fixedly installed on the front side of the rear brake disc 5, a return spring 15 is fixedly connected to the rear side of the front fixing plate 10, a connecting plate 16 is fixedly connected to the rear side of the return spring 15, a brake claw 17 is fixedly installed on the rear side of the connecting plate 16, the brake claw 17 is convenient to cooperate with the brake hole 6 to brake the rotary disc 4 in time, the friction wheel is prevented from being used, so that one section of braking distance is easily caused, braking is difficult to be carried out in time, the use loss of the traditional friction disc is reduced, the braking time is increased gradually, and the braking distance is lengthened gradually.

Referring to fig. 1 to 3, the present invention provides a technical solution: the rear brake disc 5 and the second front brake disc 9 are internally provided with a brake hole 6 which is through from front to back, the rear side of the rear brake disc 5 is movably provided with a first front brake disc 7, the front end of the first front brake disc 7 extends to the front side of the front brake disc 9, the outer part of the front end of the first front brake disc 7 is movably sleeved with a nut, the first front brake disc 7 mainly plays a role in fixing the rear brake disc 5 and the second front brake disc 9, the use of the device is convenient, meanwhile, after the device is used for a period of time, the rear brake disc 5 and the second front brake disc 9 are convenient to replace, the practical effect of the device is improved, the use of the device is convenient, the abrasion of the turntable 4 is reduced, the service life of the turntable 4 is effectively prolonged, the brake hole 6 mainly plays a role in matching with the brake claw 17 to brake in time, the brake of the turntable 4 is convenient, the brake hole 6 and the brake claw 17 are parallel to each other, the diameter value of brake hole 6 is the same with the diameter value of brake dog 17, the inside of brake disc 9 before the rubber buffer 8 forward extension reaches the second, the draw-in groove of adaptation rubber buffer 8 is seted up to the inside of brake disc 9 before carousel 4 and the second, make electromagnetism piece 2 have magnetism, make electromagnetism piece 2 adsorb brake dog 17 backward afterwards, brake dog 17 passes brake hole 6 backward movement of brake disc 5 and the 9 inner chambers of brake disc before the second, move the right side to electromagnetism piece 2 afterwards, laminate with electromagnetism piece 2, the braking of completion device, the practicality of device has been improved.

Referring to fig. 1 to 4, the present invention provides a technical solution: an outer limiting sleeve 11 is fixedly arranged behind the front fixing plate 10, a limiting inner sleeve 13 is movably sleeved in an inner cavity of the outer limiting sleeve 11, a limiting groove 12 is formed in the inner side of the outer limiting sleeve 11, a limiting block 14 is fixedly arranged outside the limiting inner sleeve 13, the limiting block 14 and the limiting groove 12 are arranged so as to prevent the rear brake disc 5 and the second front brake disc 9 from driving the brake claw 17 to rotate after the brake claw 17 penetrates into the inner cavity of the brake hole 6, the stable use of the brake claw 17 is influenced, the braking effect of the device is influenced, the limiting block 14 is movably sleeved in the limiting groove 12, the reset spring 15 is positioned in the inner cavity of the limiting inner sleeve 13, the rear end of the limiting inner sleeve 13 is fixedly connected with the front of the connecting plate 16, the connecting plate 16 is prevented from stopping rotating through the limiting block 14 and the limiting groove 12, then the connecting plate 16 controls the brake claw 17 to be static, and then brakes the rear brake disc 5 and the second front brake disc 9, the rotary table 4 is stopped, the braking of the device is completed, the abrasion of the rotary table 4 can be effectively reduced, the service life of the rotary table 4 is prolonged, and the practical effect of the device is improved.

In conclusion, when the claw type eddy current brake is used, the rotary disc 4 is controlled to rotate, the rear brake disc 5 and the second front brake disc 9 are driven to rotate by the rotation of the rotary disc 4, when braking is needed, the control lead 3 is electrified, the lead 3 and the electromagnetic block 2 are electrified, the electromagnetic block 2 is made to have magnetism, the brake claw 17 is attracted backwards by the electromagnetic block 2, the connecting plate 16 is driven by the brake claw 17 to move backwards, the limiting inner sleeve 13 and the limiting outer sleeve 11 are driven by the connecting plate 16 to move backwards, the return spring 15 is in a stretching state, the brake claw 17 passes through the brake holes 6 in the inner cavities of the rear brake disc 5 and the second front brake disc 9 to move backwards, the connecting plate 16 is driven to move to the right side of the electromagnetic block 2 and is attached to the electromagnetic block 2, the connecting plate 16 is prevented from rotating by the limiting block 14 and the limiting groove 12, the connecting plate 16 controls the brake claw 17 to be static, and then the rear brake disc 5 and the second front brake disc 9 are braked, make carousel 4 stop, when needing to make carousel 4 rotate, control wire 3 outage, electromagnetic block 2 no longer adsorbs pawl 17, reset spring 15 can stimulate connecting plate 16 and pawl 17 forward motion, make pawl 17 and brake disc 5 and the preceding brake disc 9 separation of second, make carousel 4 normally rotate, after using a period, brake disc 9 can take place wearing and tearing because of the material before rear brake disc 5 and the second, brake disc 7 and nut separation before will afterwards, the rear brake disc 5 and the preceding brake disc 9 of second that carry out the renewal, can.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a claw formula eddy current brake, includes after-fixing board (1) and carousel (4) and preceding fixed plate (10), its characterized in that: rear brake disc (5) are installed to the rear side of carousel (4), brake disc (9) before the second is installed to the front side of carousel (4), and the front side fixed mounting of rear brake disc (5) has rubber buffer (8), the rear side fixedly connected with reset spring (15) of preceding fixed plate (10), the rear side fixedly connected with connecting plate (16) of reset spring (15), the rear side fixed mounting of connecting plate (16) has pawl (17).

2. A claw type eddy current brake as claimed in claim 1, wherein: the preceding fixed mounting of after-fixing board (1) has electromagnetism piece (2), the back fixedly connected with wire (3) of electromagnetism piece (2), wire (3) extend to the rear end of after-fixing board (1) backward.

3. A claw type eddy current brake as claimed in claim 1, wherein: brake hole (6) that link up around inside seting up of back brake disc (5) and the preceding brake disc of second (9), the rear side movable mounting of back brake disc (5) has first preceding brake disc (7), the front end of first preceding brake disc (7) extends to the front side of the preceding brake disc of second (9), the outside movable sleeve of first preceding brake disc (7) front end is equipped with the nut.

4. A claw type eddy current brake as claimed in claim 1, wherein: an outer limiting sleeve (11) is fixedly mounted behind the front fixing plate (10), a limiting inner sleeve (13) is movably sleeved in an inner cavity of the outer limiting sleeve (11), a limiting groove (12) is formed in the inner side of the outer limiting sleeve (11), and a limiting block (14) is fixedly mounted outside the limiting inner sleeve (13).

5. The claw type eddy current brake as claimed in claim 4, wherein: the limiting block (14) is movably sleeved inside the limiting groove (12), the reset spring (15) is located in an inner cavity of the limiting inner sleeve (13), and the rear end of the limiting inner sleeve (13) is fixedly connected with the front of the connecting plate (16).

6. A claw type eddy current brake as claimed in claim 3, wherein: braking hole (6) and locking pawl (17) are parallel to each other around, the diameter value of braking hole (6) is the same with the diameter value of locking pawl (17), rubber buffer (8) extend forward to the inside of brake disc (9) before the second, the draw-in groove of adaptation rubber buffer (8) is seted up to the inside of brake disc (9) before carousel (4) and the second.