CN115199682A

CN115199682A - Manual release holding device of electromagnetic brake

Info

Publication number: CN115199682A
Application number: CN202210717960.4A
Authority: CN
Inventors: 梅裕裔; 郭承嗣
Original assignee: Anhui Pioneering Electromagnetic Clutches Co ltd
Current assignee: Anhui Pioneering Electromagnetic Clutches Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-10-18

Abstract

The invention relates to the technical field of electromagnetic brakes, in particular to a manual release retaining device of an electromagnetic brake, which comprises a fixed seat fixed on the back surface of a magnetic yoke, wherein part of a seat body of the fixed seat protrudes out of the magnetic yoke to form an installation surface, a fixed clamp is arranged on the installation surface, an L-shaped groove with a downward opening and an inverted opening is arranged on the fixed clamp and used for a release handle connected on a wrench bracket to be inserted into, the release handle can move to a transverse section along the vertical section of the L-shaped groove, and then the fixed clamp is rotated to stop the release handle at the inner end of the transverse section so as to realize the fixation of the wrench bracket; the manual release holding device provided by the invention can fix the wrench bracket at one position, so that the electromagnetic brake is kept in a release state, and the equipment maintenance work is convenient to carry out; after the equipment maintenance work is finished, the release state can be conveniently released, so that the electromagnetic brake can normally work; the L-shaped groove with the downward opening and the inverted opening is formed in the fixing clamp, so that the installation and the disassembly are convenient.

Description

Manual release holding device of electromagnetic brake

Technical Field

The invention relates to the technical field of electromagnetic brakes, in particular to a manual release retaining device of an electromagnetic brake.

Background

The electromagnetic brake is in a braking state when power is lost, and is generally provided with a manual release device for opening the electromagnetic brake when equipment is maintained so as to manually debug the equipment.

The manual release device of the existing electromagnetic brake usually comprises two symmetrical holes drilled on an armature, the two symmetrical holes penetrate through the holes on a magnet yoke and are connected with a wrench support through bolts and a pre-tightening spring, a release handle is arranged on the wrench support, the wrench support is arranged on the back of the magnet yoke, when the wrench support is pulled backwards, the bolts also move along with the holes, the armature is driven to move towards the magnet yoke, a brake disc is disengaged, and the wrench support is reset as soon as a hand is disengaged.

The manual release devices described above basically satisfy the requirements of use, but in some special cases, such as brakes for electric vehicles, brakes for mobility vehicles, etc., the release holding function is required, that is, the release state is always maintained without continuous manual operation, and the existing manual release devices cannot satisfy the requirements.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a manual release retaining device of an electromagnetic brake, which is used for fixing a wrench bracket at one position so that the electromagnetic brake is always in a release state, and when the equipment is overhauled, the release state can be conveniently released so that the electromagnetic brake can normally work.

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

a manual release retaining device of an electromagnetic brake comprises a fixed seat fixed on the back face of a magnetic yoke, wherein part of a seat body of the fixed seat protrudes out of the magnetic yoke to form a mounting face, a fixing clamp is arranged on the mounting face, an L-shaped groove with a downward opening and an inverted shape is formed in the fixing clamp and used for a release handle connected to a wrench support to be inserted into, the release handle can move to a transverse section along a vertical section of the L-shaped groove, and then the fixing clamp is rotated to stop the release handle at the inner end of the transverse section so as to fix the wrench support.

In a further technical scheme, the mounting surface on the fixing seat is inclined towards one side of the magnetic yoke.

In a further technical scheme, at least two horizontally arranged mounting holes are formed in the edge of the back face of the magnetic yoke, and the fixing seat is fixedly connected into the mounting holes through screws in a penetrating mode.

In a further technical scheme, the fixing clip is further provided with a rotating part which is positioned at the side and forms an included angle with the side.

In a further technical scheme, the fixing seat comprises a first connecting plate fixed at the edge of the back face of the magnetic yoke, and one side, protruding out of the magnetic yoke, of the first connecting plate is provided with a first mounting plate extending upwards for connection and fixation of the fixing clamp.

In a further technical scheme, the both sides of first connecting plate all are equipped with the curb plate that upwards extends to arrange, the lateral part of two curb plates with first mounting panel constitutes to lean on the cooperation.

In a further technical scheme, the fixing base comprises a second connecting plate fixed at the edge of the back face of the magnetic yoke, one side, protruding out of the magnetic yoke, of the second connecting plate is provided with a first bending portion extending upwards, the overhanging end of the first bending portion is provided with a second bending portion extending towards one side far away from the magnetic yoke, and the overhanging end of the second bending portion is provided with a second mounting plate extending upwards for the fixing clamp to connect and fix.

Compared with the prior art, the invention has the following technical effects:

according to the manual release holding device for the electromagnetic brake, provided by the invention, if equipment maintenance needs to keep the electromagnetic brake in a release state, the release handle can be pulled to move to the transverse section along the vertical section of the L-shaped groove, and then the fixing clamp is rotated to move the release handle to the inner end of the transverse section, so that the release handle can drive the wrench bracket to be kept in the release state, and the wrench bracket can drive the armature to keep a state close to the magnet yoke through the bolt and is separated from the brake disc;

when the equipment retrieval work is completed, the fixing clamp can be rotated again, so that the release handle moves to the vertical section from the inner end of the transverse section, and under the action of the pre-tightening spring, the wrench support resets, so that the armature is close to the brake disc and the braking state is recovered.

The manual release holding device provided by the invention can fix the wrench bracket at one position, so that the electromagnetic brake is kept in a release state, and the equipment maintenance work is convenient to carry out; after the equipment maintenance work is finished, the release state can be conveniently released, so that the electromagnetic brake can normally work; the fixing clamp is provided with the L-shaped groove with the downward opening and the inverted L-shaped groove, so that the fixing clamp is convenient to mount and dismount.

Drawings

FIG. 1 is a schematic structural diagram illustrating a manual release holding device of an electromagnetic brake according to an embodiment of the present invention;

FIG. 2 is a side view of the electromagnetic brake manual release holding apparatus of FIG. 1;

FIG. 3 is a schematic structural view of the fixing base and the fixing clip in FIG. 1;

FIG. 4 is a schematic view of the yoke of FIG. 1 with mounting holes;

FIG. 5 is a schematic structural view of another electromagnetic brake manual release holding apparatus provided in accordance with an embodiment of the present invention;

FIG. 6 is a side view of the electromagnetic brake manual release holding arrangement of FIG. 5;

FIG. 7 is a schematic structural view of the fixing base and the fixing clip in FIG. 5;

the reference numbers in the figures illustrate: 1. a magnetic yoke; 2. a wrench holder; 3. releasing the handle; 10. a fixed seat; 101. mounting holes; 11. a first connecting plate; 12. a first mounting plate; 13. a side plate; 14. a second connecting plate; 15. a first bent portion; 16. a second bent portion; 17. a second mounting plate; 20. fixing the card; 21. an L-shaped groove; 211. a vertical section; 212. a transverse segment; 22. a rotating part.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further clarified below by combining the specific drawings.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As described above, referring to fig. 1 and 2, the present invention provides a manual release holding device for an electromagnetic brake, which is used to fix a wrench holder 2 at a position so that the electromagnetic brake is held in a released state to facilitate the maintenance of equipment; after the equipment maintenance work is finished, the release state can be conveniently released, so that the electromagnetic brake can normally work.

The manual release holding device comprises a fixing seat 10 fixed on the back surface of the magnetic yoke 1, wherein part of a seat body of the fixing seat 10 protrudes out of the magnetic yoke 1 to form a mounting surface, a fixing clip 20 is arranged on the mounting surface, an L-shaped groove 21 with a downward opening and an inverted shape is arranged on the fixing clip 20 and used for inserting a release handle 3 connected on the wrench support 2, the release handle 3 can move to a transverse section 212 along a vertical section 211 of the L-shaped groove 21, and then the fixing clip 20 is rotated to stop the release handle 3 at the inner end of the transverse section 212 so as to fix the wrench support 2.

Based on the technical scheme provided by the invention, if equipment maintenance needs to keep the electromagnetic brake in a release state, the release handle 3 can be pulled to move to the transverse section 212 along the vertical section 211 of the L-shaped groove 21, and then the fixing clamp 20 is rotated to move the release handle 3 to the inner end of the transverse section 212, so that the release handle 3 can drive the wrench bracket 2 to keep in the release state, and the wrench bracket 2 can drive the armature to keep a state close to the magnetic yoke through the bolt and is separated from the brake disc;

when the equipment retrieval work is finished, the fixing clip 20 can be rotated again, the release handle 3 is enabled to move to the vertical section 211 from the inner end of the transverse section 212, and under the action of the pre-tightening spring, the wrench support 2 is reset, the armature is enabled to be close to the brake disc, and the braking state is restored.

In the technical scheme provided by the invention, the fixing clamp 20 is provided with the inverted L-shaped groove 21 with a downward opening, so that the installation and the disassembly are convenient.

Further, according to the manual release holding device provided by the present invention, in the present invention, the mounting surface on the fixing base 10 is inclined toward the yoke 1 side. The mounting surface is inclined toward the yoke 1, so that the mounting surface can be adapted to the pulling path of the release handle 3, and the mounting surface can be conveniently clamped at the inner end of the L-shaped groove 21 to fix the relative position of the L-shaped groove.

Further, in the present invention, at least two mounting holes 101 are horizontally disposed at the edge of the back of the magnetic yoke 1, and the fixing base 10 is fixed in the mounting holes 101 by screws. In a specific embodiment of the present invention, as shown in fig. 4, two mounting holes 101 are horizontally disposed at the edge of the back surface of the magnetic yoke 1, and the fixing base 10 is fixed in the two mounting holes 101 by screws. Because the mounting holes 101 are horizontally arranged, the whole device is small in size and low in cost.

Furthermore, in the present invention, the fixing clip 20 is further provided with a rotating portion 22 located at an edge side thereof and forming an included angle therewith. The rotation part 22 is provided to facilitate the operation of rotating the fixing clip 20 by an operator, and in a specific embodiment of the present invention, the rotation part 22 is provided at a side of the fixing clip 20 and perpendicular thereto.

In the present invention, the fixing base 10 serves to assemble the fixing clip 20 to the rear edge of the yoke 1 to facilitate fixing of the relative position of the release handle 3.

In a specific embodiment of the present invention, as shown in fig. 1 and 3, the fixing base 10 includes a first connecting plate 11 fixed at the edge of the back surface of the magnetic yoke 1, and a first mounting plate 12 extending upward is provided at a side of the first connecting plate 11 protruding out of the magnetic yoke 1 for connecting and fixing the fixing clip 20. Furthermore, both sides of the first connecting plate 11 are provided with side plates 13 extending upwards, and side edge portions of the two side plates 13 and the first mounting plate 12 form an abutting fit.

In another specific embodiment of the present invention, as shown in fig. 5, 6 and 7, the fixing base 10 includes a second connecting plate 14 fixed at the edge of the back surface of the magnetic yoke 1, a first bending portion 15 extending upward is provided at a side of the second connecting plate 14 protruding out of the magnetic yoke 1, a second bending portion 16 extending toward a side away from the magnetic yoke 1 is provided at a suspension end of the first bending portion 15, and a second mounting plate 17 extending upward is provided at a suspension end of the second bending portion 16 for the fixing clip 20 to connect and fix.

For the electromagnetic brake with smaller size, because the distance between the wrench support 2 and the back of the magnet yoke 1 is very close, the wrench support 2 can be effectively prevented from interfering with the releasing device in the releasing state by designing the fixing seat 10 into the structure.

The foregoing shows and describes the general principles, essential features, and inventive features of this invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The manual release holding device of the electromagnetic brake is characterized by comprising a fixing seat (10) fixed on the back face of a magnet yoke (1), wherein part of a seat body of the fixing seat (10) protrudes out of the magnet yoke (1) to form a mounting face, a fixing clamp (20) is arranged on the mounting face, an L-shaped groove (21) with a downward opening and an inverted shape is formed in the fixing clamp (20) and used for inserting a release handle (3) connected to a wrench support (2), the release handle (3) can move to a transverse section (212) along a vertical section (211) of the L-shaped groove (21), and then the fixing clamp (20) is rotated to stop the release handle (3) at the inner end of the transverse section (212) so as to fix the wrench support (2).

2. The manual release holding device of an electromagnetic brake as claimed in claim 1, characterized in that the mounting surface of the fixing base (10) is inclined toward the yoke (1).

3. The manual release holding device of an electromagnetic brake is characterized in that at least two mounting holes (101) are horizontally arranged at the edge of the back surface of the magnetic yoke (1), and the fixed seat (10) is fixed in the mounting holes (101) through screws.

4. The manual release holding device of an electromagnetic brake as claimed in claim 1, wherein the fixing clip (20) is further provided with a rotating portion (22) at an angle to the side edge thereof.

5. The manual release holding device of the electromagnetic brake is characterized in that the fixed seat (10) comprises a first connecting plate (11) fixed at the edge of the back surface of the magnetic yoke (1), and a first mounting plate (12) extending upwards is arranged at one side of the first connecting plate (11) protruding out of the magnetic yoke (1) and is used for connecting and fixing the fixing clip (20).

6. An electromagnetic brake manual release holding arrangement according to claim 5, characterized in that both sides of the first connecting plate (11) are provided with upwardly extending side plates (13), the side edge portions of both side plates (13) being in abutting engagement with the first mounting plate (12).

7. The manual release holding device of the electromagnetic brake as claimed in claim 1, wherein the fixing seat (10) includes a second connecting plate (14) fixed at the edge of the back surface of the magnetic yoke (1), one side of the second connecting plate (14) protruding out of the magnetic yoke (1) is provided with a first bending portion (15) extending upward, the overhanging end of the first bending portion (15) is provided with a second bending portion (16) extending to the side away from the magnetic yoke (1), and the overhanging end of the second bending portion (16) is provided with a second mounting plate (17) extending upward for the fixing clip (20) to connect and fix.