CN216190659U

CN216190659U - Electromagnet part with improved structure

Info

Publication number: CN216190659U
Application number: CN202122572906.9U
Authority: CN
Inventors: 濮超义; 黄冬平; 钱志超; 陆洋; 程敏蕾
Original assignee: Suzhou Torin Drive Equipment Co Ltd
Current assignee: Suzhou Torin Drive Equipment Co Ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-04-05
Anticipated expiration: 2031-10-25

Abstract

An electromagnet component with improved structure belongs to the technical field of brakes. Including quiet iron core, moving iron core, coil pack, cylindric casing, trip gear, cylindric shells inner wall is equipped with two sets of coil packs, and each correspondence of the inside of two sets of coil packs is equipped with one and moves the iron core, the both sides port of cylindric casing has quiet iron core, the one end of trip gear inserts two and moves the iron core after passing the cylindric casing and in the middle of being used for the trip, characteristics: the part of the circular shaft, which is processed into a flat shape, is provided with a unilateral brake release section for pushing one side of the movable iron core and a bilateral brake release section for pushing the two side movable iron cores simultaneously. The advantages are that: the brake can be released on one side, the detection of the brake unit on one side is realized, the brake can be released on two sides conveniently, and the main shaft of the elevator traction machine is coiled to move the lift car to a required position.

Description

Electromagnet part with improved structure

Technical Field

The utility model belongs to the technical field of brakes, and particularly relates to an electromagnet component applied to a drum brake, which is an improvement on the existing electromagnet component.

Background

The prior art drum brake, the structure of which is disclosed by fig. 1, fig. 2, fig. 3 and fig. 4, mainly comprises an adjusting bolt 1, a first lock nut 2, a brake arm 3, a pull rod 4, a brake spring 5, a spring seat 6, a second lock nut 7, a brake pad 8, a fixed pin 9, an electromagnet part 10 and the like, wherein the electromagnet part 10 comprises a static iron core 11, a movable iron core 12, a coil assembly 13, a cylindrical shell 14, a spacer 15, a brake release device 16, a push rod 17 and a machine body fixing part 18. Two coil assemblies 13 are arranged on the left and right of the inner wall of the cylindrical shell 14, the two coil assemblies 13 are separated by a space ring 15, a movable iron core 12 is correspondingly arranged in each of the two coil assemblies 13, the two side ports of the cylindrical shell 14 are fixedly provided with a fixed iron core 11 through screws, and an ejector rod 17 riveted on the movable iron core 12 extends out of the cylindrical shell 14 after penetrating through a through hole in the middle of the fixed iron core 11 and corresponds to the adjusting bolt 1. The brake release device 16 comprises a brake release rod 161 and a circular shaft 162, wherein a hole is formed in one end of the circular shaft 162 and used for inserting the brake release rod 161, the other end of the circular shaft 162 is processed into a flat shape, and one end of the circular shaft 162 processed into the flat shape penetrates through a hole 141 preset in the cylindrical shell 14 and a corresponding through hole in the spacer 15 and then is inserted into the middle of the two movable iron cores 12.

The brake arm 3 is pivoted on the machine body through a fixing pin 9; the brake block 8 is adhered to the brake arm 3 and corresponds to a brake wheel; the pull rod 4 is connected to the machine body fixing part 18 after passing through the brake arm 3; the brake spring 5 is sleeved on the pull rod 4, one end of the brake spring is abutted against a spring seat 6 arranged at the end part of the pull rod 4, the other end of the brake spring is abutted against a corresponding positioning groove on the brake arm 3, a second locking nut 7 is screwed on the pull rod on the outer side of the spring seat 6, the spring force of the brake spring 5 can be adjusted through screwing in and screwing out of the second locking nut 7, and the spring force pushes the brake arm 3 to enable a brake piece 8 on the brake arm 3 to be firmly pressed on a brake wheel for braking the brake wheel; the adjusting bolt 1 is arranged at the upper end part of the brake arm 3, and a first locking nut 2 is screwed on the adjusting bolt.

When the brake is in an open state, the coil is electrified, an electromagnetic loop is formed among the static iron core 11, the movable iron core 12 and the cylindrical shell 14, electromagnetic force is generated, the static iron core 11 attracts the movable iron core 12, the movable iron core 12 moves towards the direction of the static iron core 11, when the ejector rod 17 on the movable iron core 12 is ejected to the adjusting bolt 1, under the action of the electromagnetic force, the electromagnetic force overcomes the spring force action of the brake spring 5, the brake block 8 on the brake arm 3 is separated from the surface of the brake wheel, and the brake wheel rotates freely. When the elevator tractor is powered off, the electromagnetic attraction force between the static iron core 11 and the movable iron core 12 is lost, the two adjusting bolts 1 respectively push the movable iron core 12 to the middle position under the pressure action of the pair of braking springs 5, and the two braking arms 3 respectively approach to the direction of the braking wheel and are clasped with the braking wheel by the pair of braking pieces 8 on the inner side of the braking wheel, so that the elevator tractor cannot rotate. When the elevator is rescued or overhauled, as long as the brake release rod 161 is pulled, the round shaft 162 rotates, the end part of the flat end of the round shaft 162 pushes the movable iron core 12, the movable iron core 12 moves towards the direction of the static iron core 11, when the ejector rod 17 on the movable iron core 12 pushes the adjusting bolt 1, the brake arm 3 rotates around the corresponding fixed pin 9, the brake pad 8 on the brake arm 3 leaves the surface of the brake wheel, and the elevator traction machine main shaft is conveniently coiled to move the elevator car to a required position.

The above-described structure in which the movable iron cores 12 on both sides are simultaneously released by one release lever 161 does not satisfy the regulations of the new national standards of elevators to be implemented. The new national standard stipulates: the elevator drive machine should be provided with at least two groups of brake units, one of which is capable of braking when the other brake unit fails, and each brake unit should be capable of being tested independently from outside the hoistway. That is, the present structure cannot play a role of releasing the brake independently, and cannot realize that the brake pad 8 on one side brake arm 3 is released to detect the braking force of the brake pad 8 on the other side brake arm 3.

In view of the above-mentioned prior art, there is a need for a reasonable improvement of the electromagnet members of existing drum brakes. Therefore, the applicant has made active and effective researches and finally has developed the technical solutions to be described below.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electromagnet component with a simple structure and convenient operation, which is structurally improved, can realize unilateral brake release and detection of a unilateral brake unit, can conveniently carry out bilateral brake release, and realizes that a main shaft of a coiling elevator traction machine moves a lift car to a required position.

The utility model is accomplished in the way, an electromagnet component with improved structure comprises a static iron core, a movable iron core, coil assemblies, a cylindrical shell and a brake releasing device, wherein two groups of coil assemblies are arranged on the inner wall of the cylindrical shell, a movable iron core is correspondingly arranged inside each of the two groups of coil assemblies, the static iron cores are arranged at two side ports of the cylindrical shell, one end of the brake releasing device penetrates through the cylindrical shell and then is inserted into the middle of the two movable iron cores for releasing the brake, and the electromagnetic component is characterized in that: and a unilateral brake release section for pushing one movable iron core and a bilateral brake release section for simultaneously pushing the movable iron cores at two sides are formed on the part of the brake release device inserted into the two movable iron cores.

In a specific embodiment of the present invention, the brake release device includes a brake release rod, and a circular shaft, one end of the circular shaft is used for inserting the brake release rod, the other end of the circular shaft is inserted between the two movable iron cores after passing through the cylindrical housing for releasing the brake, the part of the circular shaft inserted into the two movable iron cores is formed with the single-side brake release section and the double-side brake release section, and both side surfaces in the thickness direction of the single-side brake release section and both side surfaces in the thickness direction of the double-side brake release section are symmetrical with respect to an axial cross section of an axis of the brake release rod passing through the circular shaft.

In another specific embodiment of the present invention, two side surfaces in the thickness direction of the single-side brake release section and two side surfaces in the thickness direction of the double-side brake release section are respectively located on the same plane, that is, the thickness of the single-side brake release section is the same as that of the double-side brake release section.

In another specific embodiment of the present invention, the two side surfaces in the width direction of the double-sided brake release section are symmetrical with respect to an axial cross section of the circular shaft perpendicular to the axis of the brake release lever, one side surface in the width direction of the single-sided brake release section can push the movable iron core on the same side, the side surface is a pushing contact surface, the other side surface in the width direction of the single-sided brake release section cannot push the movable iron core on the same side, and the side surface is a non-pushing contact surface.

In a further embodiment of the utility model, the pushing contact surface and the non-pushing contact surface of the unilateral brake release section are respectively located on both sides of an axial section of the circular shaft perpendicular to the axis of the brake release lever.

In yet another specific embodiment of the present invention, the pushing contact surface of the unilateral locking section and one lateral surface of the bilateral locking section in the width direction are the same plane; the non-pushing contact surface of the unilateral brake release section is positioned in the shaft section of the round shaft, which is perpendicular to the axis of the brake release rod.

In a further specific embodiment of the present invention, the electromagnet component further includes a spacer, two sets of the coil assemblies are separated by the spacer, two steel ball holes are processed between the two side brake-releasing sections of the circular shaft and the hole for installing the brake-releasing rod, a linear raceway for communicating the two steel ball holes is processed between the two steel ball holes, the steel ball hole near the two side brake-releasing sections is a single side brake-releasing positioning hole, the other steel ball hole is a double side brake-releasing positioning hole, a matching hole is formed in an inner ring of the spacer, a steel ball is installed in the matching hole, and when the steel ball is simultaneously sunk into the matching hole and the single side brake-releasing positioning hole, single side brake-releasing can be performed; when bilateral brake release is needed, the round shaft is pushed, so that the steel balls roll into bilateral brake release positioning holes along the linear roller path, and bilateral brake release can be realized.

In a more specific embodiment of the present invention, the hole axes of the one-side and two-side trip positioning holes are parallel to each other and located on the same axial section of the circular shaft.

In yet another specific embodiment of the present invention, the one-side brake release positioning hole, the two-side brake release positioning hole, the linear roller path and the corresponding one of the matching holes are a positioning combination, and a plurality of sets of the positioning combinations are uniformly arranged on the circular shaft along the circumference.

After the structure is adopted, the utility model has the beneficial effects that: firstly, one-side brake release can be realized, a left brake unit formed by parts such as a left static iron core, a movable iron core, a brake arm, a brake pad and the like is released, the performance of a right brake unit formed by parts such as a right static iron core, a movable iron core, a brake arm, a brake pad and the like is separately detected, or on the contrary, the right brake unit is released, and the performance of the left brake unit is separately detected; secondly, the brake can be released from two sides, and the brake pads on the brake arms on the two sides are separated from the surface of the brake wheel at the same time, so that the elevator traction machine main shaft can be wound conveniently to move the elevator car to a required position; and thirdly, the unilateral brake release and the bilateral brake release are realized on the same brake release device, the accurate positioning is realized, the structure is simple, and the operation is convenient.

Drawings

Fig. 1 is a schematic view of a drum brake according to the prior art in a released state.

Fig. 2 is a partial cross-sectional view of a prior art electromagnet assembly.

Fig. 3 is a cross-sectional view taken at a-a of fig. 2 when the brake is in a released state in the prior art.

Fig. 4 is a cross-sectional view at a-a of fig. 2 when the brake is in a braking state and the brake release device is just about to release the brake in the prior art.

Fig. 5 is a schematic view of the drum brake according to the present invention in a released state.

Fig. 6 is a schematic perspective view of the brake release device according to the present invention.

FIG. 7 is a schematic view of the unilateral locking segment of the present invention with the pushing interface above and the bilateral locking segment not advanced.

FIG. 8 is a schematic view of the single-sided brake release segment with the pushing interface below and the double-sided brake release segment not advanced according to the present invention.

FIG. 9 is a schematic view of the single-sided brake release segment with the pushing interface below and the double-sided brake release segment advanced according to the present invention.

Fig. 10 is a schematic view of the unilateral braking section with the pushing interface located above and braking the right braking unit according to the present invention.

Fig. 11 is a schematic view of the unilateral braking section of the present invention with the pushing contact surface located below and braking the left braking unit.

FIG. 12 is a schematic view of the double-sided brake release segment of the present invention as it advances and releases both sides of the brake.

In the figure, 1, adjusting bolts; 2. a first lock nut; 3. a brake arm; 4. a pull rod; 5. a brake spring; 6. a spring seat; 7. a second lock nut; 8. a brake pad; 9. a fixing pin; 10. the electromagnetic brake comprises an electromagnet component, 11, a static iron core, 12, a movable iron core, 13, a coil assembly, 14, a cylindrical shell, 141, a hole, 15, a spacer ring, 151, a matching hole, 16, a brake release device, 161, a brake release rod, 162, a circular shaft, 1621, a single-side brake release section, 16211, a pushing contact surface, 16212, a non-pushing contact surface, 1622, a double-side brake release section, 1623, a linear raceway, 1624, a single-side brake release positioning hole and 1625, a double-side brake release positioning hole; 17. a top rod 18, a machine body fixing part; 20. and (5) steel balls.

Detailed Description

The following is a detailed description with reference to the drawings by way of example, but the description of the embodiments is not intended to limit the scope of the present invention, and any equivalent changes made in the form and detail of the present invention are considered to be within the technical scope of the present invention.

In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and rear are based on the positions shown in the corresponding drawings, and thus, should not be construed as particularly limiting the technical solution provided by the present invention.

Referring to fig. 5 to 12, the present invention relates to an electromagnet assembly with an improved structure for a drum brake, the drum brake is symmetrically installed on two sides of a machine body of a traction machine, and mainly includes an adjusting bolt 1, a first lock nut 2, a brake arm 3, a pull rod 4, a brake spring 5, a spring seat 6, a second lock nut 7, a brake pad 8, a fixing pin 9, an electromagnet assembly 10, and the like, wherein the electromagnet assembly 10 includes a static iron core 11, a movable iron core 12, a coil assembly 13, a cylindrical housing 14, a spacer 15, a brake release device 16, a push rod 17, and a machine body fixing assembly 18. Two coil assemblies 13 are arranged on the left and right of the inner wall of the cylindrical shell 14, the two coil assemblies 13 are separated by a space ring 15, two movable iron cores 12 are correspondingly arranged inside the two coil assemblies 13, the static iron cores 11 are fastened at the two side ports of the cylindrical shell 14 through screws, and ejector rods 17 fixed on the movable iron cores 12 extend out of the cylindrical shell 14 after penetrating through holes in the middle of the static iron cores 11 and correspond to the adjusting bolts 1.

The brake arm 3 is pivoted on the machine body through a fixing pin 9; the brake pad 8 is adhered to the brake arm 3 and corresponds to a brake wheel; the pull rod 4 is connected to the machine body fixing part 18 after passing through the brake arm 3; the brake spring 5 is sleeved on the pull rod 4, one end of the brake spring is abutted against a spring seat 6 arranged at the end part of the pull rod 4, the other end of the brake spring is abutted against a corresponding positioning groove on the brake arm 3, a second locking nut 7 is screwed on the pull rod 4 on the outer side of the spring seat 6, the spring force of the brake spring 5 can be adjusted through screwing in and screwing out of the second locking nut 7, and the spring force pushes the brake arm 3 to enable a brake piece 8 on the brake arm 3 to be firmly pressed on a brake wheel for braking the brake wheel; the adjusting bolt 1 is mounted on the upper end of the brake arm 3, to which the first locking nut 2 is screwed. The above-mentioned structure belongs to the known technology, and is not detailed here.

As shown in fig. 5 and 6, the brake release device 16 includes a brake release rod 161 and a circular shaft 162, one end of the circular shaft 162 is formed with a hole for inserting the brake release rod 161, the other end of the circular shaft 162 is formed into a flat shape, and the flat end of the circular shaft 162 is inserted into the middle of the two movable iron cores 12 after passing through corresponding through holes of the cylindrical housing 14 and the spacer 15, so as to release the brake. The technical innovation of the utility model is as follows: the flat-shaped part of the circular shaft 162 is formed with a single-side brake release section 1621 for pushing one side of the plunger 12 and a double-side brake release section 1622 for pushing both sides of the plunger 12.

Both the side surfaces in the thickness direction of the one-side brake release section 1621 and both the side surfaces in the thickness direction of the two-side brake release section 1622 are symmetrical with respect to the axial section of the axis of the over-brake-release lever 161 of the circular shaft 162. The thickness of the unilateral brake release section 1621 and the bilateral brake release section 1622 is smaller than the distance between the two movable iron cores 12 when the brake brakes, so that the unilateral brake release section 1621 and the bilateral brake release section 1622 can be inserted between the two movable iron cores 12. In this embodiment, the two side surfaces in the thickness direction of the single-side brake release section 1621 and the two side surfaces in the thickness direction of the double-side brake release section 1622 are located on the same plane, that is, the thickness of the single-side brake release section 1621 is the same as that of the double-side brake release section 1622.

The width L of the two-sided brake release 1622_{Double is}Greater than the width dimension L of the unilateral trip segment 1621_SheetThe two lateral sides of the double-sided brake release segment 1622 in the width direction are symmetrical with respect to the axial section of the circular shaft 162 perpendicular to the axis of the brake release lever 161, and the one lateral side of the single-sided brake release segment 1621 in the width direction can push the movable iron core 12 on the same side, which is the push contact surface 16211; the other side surface of the aforementioned one-side brake release section 1621 in the width direction cannot push the plunger 12 on the same side as the one-side brake release section, and this side surface is a non-push contact surface 16212. In this embodiment, the pushing contact surface 16211 and the non-pushing contact surface 16212 of the single-side brake release segment 1621 are respectively located on two sides of an axial section of the circular shaft 162 perpendicular to the axis of the brake release lever 161. Further, the pushing contact surface 16211 of the single-side brake release segment 1621 and one side surface of the double-side brake release segment 1622 in the width direction are the same plane. The non-pushing contact surface 16212 of the aforementioned one-sided brake release segment 1621 may be located in a section of the circular shaft 162 perpendicular to the axis of the brake release lever 161. In this embodiment, when the brake release device 16 is installed in the cylindrical housing 14, and the brake release device 16 swings, that is, when the brake release device 16 is in the non-released state, the brake release lever 161 is vertically placed, and at this time, the single-side brake release section 1621 and the double-side brake release section 1622 are also in the vertical position and do not contact the plunger 12 on both sides, and the pushing contact surface 16211 of the single-side brake release section 1621 may be on the upper side, as shown in fig. 7, or on the lower side, as shown in fig. 8.

When one-side brake release is needed, the one-side brake release section 1621 is inserted between the two movable iron cores 12, and the one-side brake release can be realized by pulling the brake release rod 161, as shown in fig. 7 and 8; when the double-side brake release is required, the circular shaft 162 is further pushed towards the inside of the cylindrical shell 14, and when the double-side brake release section 1622 enters the middle of the two movable iron cores 12, the brake release lever 161 can be pulled to realize the double-side brake release of the drum brake, as shown in fig. 9.

Further, as shown in fig. 6 to 9, in order to facilitate the positioning of the unilateral brake release section 1621 during unilateral brake release and the positioning of the bilateral brake release section 1622 during bilateral brake release, two steel ball holes are formed between the bilateral brake release section 1622 of the circular shaft 162 and the hole for installing the brake release rod 161, and a linear raceway 1623 communicating the two steel ball holes is formed between the two steel ball holes. The steel ball hole near the bilateral opening section 1622 is a unilateral opening positioning hole 1624, and the other steel ball hole is a bilateral opening positioning hole 1625. The hole axes of the single-side and double-side

trip positioning holes

1624 and 1625 are parallel to each other and located on the same axial section of the circular shaft 162. A matching hole 151 is formed in the inner ring of the spacer ring 15, steel balls 20 are mounted in the matching hole 151, and when the steel balls 20 sink into the matching hole 151 and the unilateral brake releasing positioning hole 1624 at the same time, unilateral brake releasing can be performed; when the bilateral brake release is needed, the steel ball 20 rolls into the bilateral brake release positioning hole 1625 along the linear raceway 1623 only by pushing the circular shaft 162, so that the bilateral brake release can be realized. When the brake releasing position is switched from the double-side brake releasing position to the single-side brake releasing position, the circular shaft 162 is pulled out, and the steel balls 20 in the matching hole 151 roll into the single-side brake releasing positioning hole 1624.

The single-side brake release positioning hole 1624, the double-side brake release positioning hole 1625, the linear raceway 1623, and the corresponding one of the matching holes 151 are a positioning combination, and a plurality of groups of positioning combinations can be uniformly arranged on the circular shaft 162 along the circumference.

Referring to fig. 10 to 12 in combination with fig. 5 and 7 to 9, the operation of the brake releasing device 16 of the electromagnet member of the drum brake according to the present invention is as follows:

here, the left static iron core 11, the movable iron core 12, the coil assembly 13, the brake arm 3, the brake pad 8 and other parts are regarded as a left brake unit, the right static iron core 11, the movable iron core 12, the coil assembly 13, the brake arm 3, the brake pad 8 and other parts are regarded as a right brake unit, and the brake release of one brake unit is realized through the unilateral brake release section 1621, so that the performance of the other brake unit can be detected conveniently.

Fig. 10 corresponds to fig. 7, the pushing contact surface 16211 of the single-side brake release segment 1621 is located above, when the single-side brake release is required, the single-side brake release segment 1621 is inserted between the two movable iron cores 12, the steel balls 20 are simultaneously sunk into the matching hole 151 and the single-side brake release positioning hole 1624, and when the left brake unit is released, the single-side brake release segment 1621 pushes the left movable iron core 12 to move outwards by rotating the brake release lever 161 to the left. When the right brake unit is released, the release lever 161 is rotated to the right, and the pushing contact surface 16211 of the one-side release segment 1621 pushes the right plunger 12 to move outward as shown in fig. 10.

Fig. 11 corresponds to fig. 8, the pushing contact surface 16211 of the single-side brake release segment 1621 is located below, when the single-side brake release is required, the single-side brake release segment 1621 is inserted between the two plungers 12, the steel balls 20 are simultaneously sunk into the matching hole 151 and the single-side brake release positioning hole 1624, and when the left brake unit is released, the brake release lever 161 is rotated to the right, and as shown in fig. 11, the single-side brake release segment 1621 pushes the left plunger 12 to move outward. When the right brake unit is released, the release lever 161 is rotated to the left, and the pushing contact surface 16211 of the one-side release segment 1621 pushes the right plunger 12 to move outward.

Fig. 12 corresponds to fig. 9, for example, when the brake units on both sides need to be released simultaneously, the circular shaft 162 is pushed, the steel balls 20 roll into the two-sided brake releasing positioning holes 1625 along the linear raceway 1623, the brake releasing rod 161 is pulled leftwards or rightwards, the two-sided brake releasing segments 1622 on the circular shaft 162 push the left and right movable iron cores 12 to move outwards simultaneously, and when the push rods 17 on the left and right movable iron cores 12 push against the adjusting bolts 1, the brake arms 3 on both sides rotate around the corresponding fixing pins 9, and the brake pads 8 on the two-sided brake arms 3 leave the surface of the brake wheel, so as to facilitate the rolling of the elevator traction machine main shaft to move the car to a desired position.

Claims

1. The utility model provides an electro-magnet part of institutional advancement, includes quiet iron core (11), moves iron core (12), coil pack (13), cylindric casing (14), trip gear (16), cylindric casing (14) inner wall is equipped with two sets of coil pack (13), and is two sets of the inside of coil pack (13) respectively corresponds and is equipped with one and moves iron core (12), the both sides port of cylindric casing (14) has quiet iron core (11), the one end of trip gear (16) is inserting two and is moving the middle trip that is used for of iron core (12) after passing cylindric casing (14), its characterized in that: and a unilateral brake release section (1621) for pushing one movable iron core (12) and a bilateral brake release section (1622) for pushing the two movable iron cores (12) at the same time are formed on the part of the brake release device (16) inserted into the two movable iron cores (12).

2. The electromagnet component with improved structure according to claim 1, wherein the brake release device (16) comprises a brake release rod (161) and a circular shaft (162), one end of the circular shaft (162) is used for inserting the brake release rod (161), the other end of the circular shaft (162) is used for releasing brake after being inserted into the middle of the two movable iron cores (12) after passing through the cylindrical shell (14), the part of the circular shaft (162) inserted into the two movable iron cores (12) is provided with the single-side brake release section (1621) and the double-side brake release section (1622), and both the two side surfaces in the thickness direction of the single-side brake release section (1621) and the two side surfaces in the thickness direction of the double-side brake release section (1622) are symmetrical to the axial section of the brake release rod (161) passing axis of the circular shaft (162).

3. The structurally improved electromagnet member according to claim 2, wherein both side surfaces in the thickness direction of the one-side damper section (1621) and both side surfaces in the thickness direction of the two-side damper section (1622) are located on the same plane, respectively, that is, the thickness of the one-side damper section (1621) is the same as the thickness of the two-side damper section (1622).

4. The electromagnet component with improved structure according to claim 2, characterized in that the two lateral sides of the bilateral trip section (1622) in the width direction are symmetrical with respect to the axial section of the circular shaft (162) perpendicular to the axis of the trip rod (161), one lateral side of the unilateral trip section (1621) in the width direction can push the plunger (12) on the same side, the lateral side is a pushing contact surface (16211), the other lateral side of the unilateral trip section (1621) in the width direction cannot push the plunger (12) on the same side, and the lateral side is a non-pushing contact surface (16212).

5. Structurally improved electromagnet assembly according to claim 4, characterized in that the pushing contact surface (16211) and the non-pushing contact surface (16212) of the unilateral tripping section (1621) are located on the two sides of the axial section of the circular shaft (162) perpendicular to the axis of the tripping lever (161).

6. The structurally improved electromagnet member according to claim 5, wherein the pushing contact surface (16211) of the one-side trip section (1621) and one side surface in the width direction of the two-side trip section (1622) are the same plane; the non-pushing contact surface (16212) of the unilateral brake release section (1621) is positioned in the shaft section of the round shaft (162) which is perpendicular to the axis of the brake release rod (161).

7. The electromagnet component with the improved structure according to claim 2, characterized in that the electromagnet component further comprises a spacer ring (15), two groups of coil assemblies (13) are separated by the spacer ring (15), two steel ball holes are processed between the bilateral trip-off section (1622) of the circular shaft (162) and the hole for installing the trip-off rod (161), a linear raceway (1623) communicating the two steel ball holes is processed between the two steel ball holes, the steel ball hole close to the bilateral trip-off section (1622) is a unilateral trip-off positioning hole (1624), the other steel ball hole is a bilateral trip-off positioning hole (1625), a matching hole (151) is formed in an inner ring of the spacer ring (15), a steel ball (20) is installed in the matching hole (151), and when the steel ball (20) is simultaneously sunk into the matching hole (151) and the unilateral trip-off positioning hole (1624), unilateral trip-off can be executed; when bilateral brake release is needed, the round shaft (162) is pushed, so that the steel balls (20) roll into bilateral brake release positioning holes (1625) along the linear roller path (1623), and bilateral brake release can be realized.

8. The structurally improved electromagnet member according to claim 7, wherein the hole axes of the one-side opening positioning hole (1624) and the two-side opening positioning hole (1625) are parallel to each other and are located on the same shaft section of the circular shaft (162).

9. The electromagnet member with improved structure according to claim 7, wherein the one-side brake-releasing positioning hole (1624), the two-side brake-releasing positioning hole (1625), the linear raceway (1623) and the corresponding one of the matching holes (151) are a positioning assembly, and a plurality of sets of the positioning assemblies are uniformly arranged on the circular shaft (162) along the circumference.