Relay protection secondary pressing plate device

Abstract

The utility model relates to a relay protection secondary plate pressing device, which comprises a base, a plate pressing mechanism, a plate pushing mechanism and a reminding plate mechanism, and the plate pressing mechanism comprises a plate pressing body, a plate pressing column and a plate pressing connecting column. The push plate mechanism comprises a push plate and a sliding groove, the sliding groove is formed in the base, and the push plate is in sliding fit with the base and is arranged in the sliding groove in an axial telescopic mode. The reminding plate mechanism comprises a reminding plate and an installation assembly, the installation assembly comprises a linear guide rail, a check block and a positioning block, and the reminding plate is rotationally connected to a sliding block of the linear guide rail. The push plate slides along the sliding groove. When the pressing plate body is connected with the pressing plate connecting column, the push plate can be triggered to push the sliding block, the reminding face, with the reminding mark, of the reminding plate faces upwards to remind and display the current input or quit state of the pressing plate, and the problems that in the prior art, when the density of the pressing plate is too large, the input state is inconvenient to distinguish in time, and the working efficiency is high are solved. And no accurate prompt is provided for inputting and withdrawing of the pressing plate. The inspection and maintenance time is shortened, and the maintenance efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of relay protectors, in particular to a relay protection secondary pressure plate device. Background Art

[0002] The secondary pressure plate of the power system relay protection is a more important component of the power system, also called the protection link, or the trip pressure plate. It is the bridge and link between the protection device and the external wiring. It is related to whether the protection function and the action output can function normally. It plays a vital role in ensuring the safe and stable operation of the power system. Through the pressure plate form, the pressure plate column and the pressure plate terminal are connected through the pressure plate. The relay protection device in the secondary equipment of the power system is the basic facility to ensure the safe operation of the primary power equipment. By snapping the pressure plate into the pressure plate terminal or removing it, the relay protection device can be put into, withdrawn or the operation mode of the protection device can be changed.

[0003] At present, in order to facilitate connection and wiring, relay protection devices are usually equipped with multiple groups of pressure plate devices. These pressure plates are usually used to connect cables, wires or other electrical equipment to realize the function of relay protection. Pressure plate devices with different functions are distinguished by color to prevent misoperation. When applied to high-voltage power systems, relay protection devices are usually large in size and have relatively more pressure plates. Usually, the density of pressure plate devices of the same color is high, and operators are prone to visual fatigue during operation. For operators with shorter height, when looking up at the operation, visual intersection problems such as the overlap of the pressure plate column and the pressure plate connection column are likely to occur, making it difficult to distinguish the current input and output status of the pressure plate device. To a certain extent, it will prolong its inspection time and is not conducive to improving maintenance efficiency.

[0004] Therefore, it is necessary to design a relay protection secondary pressure plate device to solve the problem that when the pressure plate density is too large, the input status is inconvenient to identify in time, and there is no accurate prompt for the input and exit of the pressure plate. Utility Model Content

[0005] In view of the shortcomings of the prior art described above, the utility model provides a relay protection secondary pressure plate device, which is equipped with a reminder plate to solve the problem in the prior art that when the pressure plate density is too high, the input status is inconvenient to identify in time, and there is no accurate prompt for the input and exit of the pressure plate.

[0006] The utility model provides a relay protection secondary pressure plate device, comprising:

[0007] base;

[0008] The pressing plate mechanism includes a pressing plate body, a pressing plate column and a pressing plate connecting column, the pressing plate column and the pressing plate connecting column are respectively upright mounted on the base, and the first end of the pressing plate body is connected to the pressing plate column;

[0009] The push plate mechanism includes a push plate and a slide groove. The slide groove is provided in the base. The push plate is slidably fitted and telescopically arranged in the slide groove in a direction perpendicular to the base.

[0010] The reminder plate mechanism includes a reminder plate and a mounting assembly, the mounting assembly includes a linear guide rail, a stopper and a positioning block, the linear guide rail is upright mounted on the base, the reminder plate is rotatably connected to the slider of the linear guide rail, and the positioning block is blocked on the reminder plate;

[0011] When the push plate is pressed toward the base to the preset position, the push plate is again moved along the slide groove in the direction away from the slider, and the push plate pushes the pressure plate body so that the second end of the pressure plate body is separated from the pressure plate connecting column. At this time, the reminder plate can be manually returned to its original position.

[0012] In one embodiment of the present invention, the pressure plate column and the pressure plate connecting column are arranged at both ends of the base in the y-axis direction, the slide groove is arranged along the x-axis direction of the base, and the slide groove is opened on the base between the pressure plate column and the pressure plate connecting column, and the linear guide rail is upright on the base corresponding to the second end of the slide groove. When the second end of the pressure plate body approaches the pressure plate connecting column, the pressure plate body pushes the push plate to slide from the first end of the slide groove to the second end of the slide groove.

[0013] In one embodiment of the present invention, the slide groove is a horizontal groove and is provided with a baffle. The baffle is arranged along the length direction of the slide groove and extends horizontally to the second end near the slide groove. The preset position is a position between the baffle and the second end of the slide groove. The push plate is an inverted T-shape. The T-shaped horizontal part of the push plate is arranged in the slide groove, and the baffle is blocked at the upper end of the T-shaped horizontal part. When the push plate slides to the second end of the slide groove, the T-shaped horizontal part and the baffle are separated and extend upward out of the slide groove.

[0014] In one embodiment of the present invention, a horizontal stop is formed at the upper end of the push plate, and a side portion of the stop extends upward and is provided with a pressing cap.

[0015] In one embodiment of the present invention, the push plate mechanism also includes a compression spring, a mounting plate and a limit column. The mounting plate is arranged in a slide groove, the limit column is upright on the mounting plate and vertically inserted into the lower part of the push plate, and a compression spring is provided on the limit column between the push plate and the mounting plate; when the T-shaped horizontal part of the push plate extends upward from the slide groove, the push plate moves upward along the limit column under the action of the compression spring, so that the stop table pushes the slider upward, and the slider drives the reminder plate to move upward and rotate to bypass the positioning block until the stop block is blocked on the reminder surface of the reminder plate.

[0016] In one embodiment of the present invention, the linear guide rail includes a guide rail and a slider. The reminder plate is rotatably connected to the slider through a rotating shaft. The rotating shaft passes through the guide groove of the guide rail, so that the reminder plate is arranged on the side of the guide rail away from the push plate, and the slider is slidingly fitted on the side of the guide rail close to the push plate.

[0017] In one embodiment of the present invention, a torsion spring is installed on the rotating shaft, and the two ends of the torsion spring are fixedly connected to the slider and the reminder plate respectively. When the slider drives the reminder plate to move upward and rotates around the positioning block, the torsion spring provides a torsional force to cause the reminder plate to flip over so that the reminder surface faces upward.

[0018] In one embodiment of the present invention, the stopper and the positioning block are respectively uprightly arranged on one side of the guide groove of the guide rail. The stopper and the positioning block are arranged at different heights, and the positioning block is located below the stopper.

[0019] In one embodiment of the present invention, the height of the upper end of the guide groove of the guide rail is higher than the setting height of the stop block. When the stop block is blocked on the reminder plate, the stop platform of the push plate continues to push the slider upward, so that the reminder surface of the reminder plate is tilted upward.

[0020] In one embodiment of the present invention, the lower end of the guide groove of the guide rail is opened at a height lower than the setting height of the positioning block, so that when the reminder surface of the reminder plate faces downward, the positioning block is blocked on the reminder plate.

[0021] The beneficial effects of the utility model include:

[0022] The utility model relates to a relay protection secondary pressure plate device, comprising a base, a pressure plate mechanism, a push plate mechanism and a reminder plate mechanism. The pressure plate mechanism comprises a pressure plate body, a pressure plate column and a pressure plate connecting column. The first end of the pressure plate body is connected to the pressure plate column, and the second end of the pressure plate body is clamped on the pressure plate connecting column. The push plate mechanism comprises a push plate and a slide groove. The slide groove is provided on the base. The push plate is slidably fitted and vertically telescopically arranged in the slide groove. The reminder plate mechanism comprises a reminder plate and a mounting assembly. The mounting assembly comprises a linear guide rail, a stop block and a positioning block. The reminder plate is rotatably connected to the slider of the linear guide rail. The push plate slides horizontally along the slide groove. When it approaches the linear guide rail, the push plate extends and pushes the slider upward, so that the reminder plate passes over the positioning block and flips to the reminder surface facing upward. The slider continues to move upward until the stop block is blocked on the reminder plate. Therefore, when the pressing plate body of the present invention is connected to the pressing plate connecting column, the push plate can be triggered to push the slider. The reminder plate with the reminder mark facing upwards reminds and displays that the pressing plate is currently in the engaged state, and vice versa. This effectively avoids the problem of visual fatigue during operation by the operator and solves the problem of the prior art that the engaged state is difficult to distinguish in time when the pressing plate density is too high, and there is no accurate indication of the pressed plate engaged and withdrawn. This shortens the inspection and maintenance time and improves maintenance efficiency.

[0023] It should be understood that the above general description and the following detailed description are merely exemplary and explanatory and are not restrictive of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings are incorporated into and constitute a part of the specification, illustrate embodiments consistent with the present invention, and together with the specification, are used to explain the principles of the present invention. Obviously, the drawings described below are only some embodiments of the present invention, and it is clear that a person of ordinary skill in the art can derive other drawings based on these drawings without inventive effort.

[0025] In the attached figure:

[0026] Figure 1 This is a three-dimensional schematic diagram of a secondary pressure plate device for relay protection in one embodiment of the present utility model;

[0027] Figure 2 for Figure 1 Partial cross-sectional view along the X-axis direction of the base (the push plate structure is not cut away);

[0028] Figure 3 For Figure 2 The cross-sectional view of the push plate section structure is also displayed on the basis;

[0029] Figure 4 It is a partial three-dimensional schematic diagram of a relay protection secondary pressure plate device in an embodiment of the present invention when the pressure plate body is clamped to the pressure plate connecting column;

[0030] Figure 5 for Figure 4 A local enlarged schematic diagram of point A in the middle.

[0031] Component Symbol Description:

[0032] Base 1, pressure plate body 21, bayonet 211, pressure plate column 22, pressure plate connecting column 23, push plate 31, stopper 311, press cap 312, slide groove 32, first end 321, second end 322, baffle 323, compression spring 33, mounting plate 34, limit column 35, reminder plate 41, reminder surface 411, linear guide rail 421, slider 4211, guide rail 4212, stop block 422, positioning block 423, rotating shaft 424, torsion spring 425. DETAILED DESCRIPTION

[0033] The following describes the implementation of the present invention through specific examples. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation methods. The details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following examples and the features in the examples can be combined with each other unless there is a conflict. It should also be understood that the terms used in the examples of the present invention are for the purpose of describing specific implementation methods, not for the purpose of limiting the scope of protection of the present invention. The test methods for which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under the conditions recommended by the manufacturers.

[0034] See also Figures 1 to 5 . It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of this utility model. Therefore, they have no substantive technical significance. Any modification of the structure, change in the proportional relationship or adjustment of the size should still fall within the scope of the technical content disclosed by this utility model without affecting the efficacy and purpose that can be achieved by this utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of this utility model. Changes or adjustments in their relative relationships should also be regarded as the scope of the implementation of this utility model without substantially changing the technical content.

[0035] See Figure 1In one embodiment of the present invention, a relay protection secondary pressure plate device includes a base 1, a pressure plate mechanism, a push plate mechanism and a reminder plate mechanism. The pressure plate mechanism includes a pressure plate body 21, a pressure plate column 22 and a pressure plate connecting column 23. The pressure plate column 22 and the pressure plate connecting column 23 are respectively upright mounted on the base 1, and the first end of the pressure plate body 21 is connected to the pressure plate column 22. The push plate mechanism includes a push plate 31 and a slide groove 32. The slide groove 32 is provided in the base 1. The push plate 31 is slidably fitted and telescopically arranged in the slide groove 32 along a direction perpendicular to the base. The reminder plate mechanism includes a reminder plate 41 and a mounting assembly. The mounting assembly includes a linear guide rail 421, a stop block 422 and a positioning block 423. The linear guide rail 421 is upright mounted on the base 1. The reminder plate 41 is rotatably connected to the slider 4211 of the linear guide rail 421. The positioning block 423 is blocked on the reminder plate 41.

[0036] When the pressing plate body 21 rotates around the pressing plate column 22, the second end of the pressing plate body 21 opposite to the first end is engaged with the pressing plate connecting column 23. During the rotation of the pressing plate body 21, the pressing plate body 21 pushes the push plate 31 to slide along the slide groove 32. When the push plate 31 reaches the preset position close to the linear guide rail 421, the push plate 31 extends out of the slide groove 32, so that the end of the push plate 31 away from the slide groove 32 pushes the slider 4211 to move in the direction away from the base 1. The slider 4211 drives the reminder plate 41 to move in the direction away from the base 1, so that the reminder plate 41 rotates and bypasses the fixed block 423 and the slider 4211 under the joint action of the positioning block 423. When the cam 421 is in the process of being moved away from the slider 4211 and the cam 422 is in the process of being moved away from the slider 4211, the cam 421 is in the process of being moved away from the slider 4211 and the cam 42 ...

[0037] Therefore, when the second end of the pressure plate body 21 is engaged with the pressure plate connecting column 23, the push plate 31 can be triggered to push the slider 4211, causing the reminder plate 41 to rotate and bypass the positioning block 423 until the block 422 is blocked on the reminder surface 411 of the reminder plate 41. The reminder surface 411 with the reminder mark faces upward, reminding and displaying the current pressure plate input status. At this time, the slider 4211 continues to slide upward. Since the block 422 is blocked on the reminder surface 411 of the reminder plate 41, the reminder surface 411 will be tilted upward, making it easier for shorter operators to observe the reminder surface 411 and judge the current pressure plate input status. This can effectively avoid the problem of visual fatigue of the operator during operation, and solve the problem in the prior art that when the pressure plate density is too high, the input status is inconvenient to identify in time, and there is no accurate prompt for the pressure plate input and exit.

[0038] See Figure 2 and Figure 3 In one embodiment of the present invention, the pressure plate column 22 and the pressure plate connecting column 23 are arranged at both ends of the y-axis direction of the base 1, the slide groove 32 is arranged along the x-axis direction of the base 1, and the slide groove 32 is opened on the base 1 between the pressure plate column 22 and the pressure plate connecting column 23, and the linear guide rail 421 is upright on the base 1 corresponding to the second end 322 of the slide groove 32. When the second end of the pressure plate body 21 approaches the pressure plate connecting column 23, the pressure plate body 21 pushes the push plate 31 to slide from the first end 321 of the slide groove 32 to the second end 322 of the slide groove 32. The chute 32 is a horizontal chute with a baffle 323 disposed therein. The baffle 323 extends along the length of the chute 32 and extends horizontally to near the second end 322 of the chute 32. The preset position is between the baffle 323 and the second end 322 of the chute 32. The push plate 31 is in an inverted T-shape, with the T-shaped horizontal portion of the push plate 31 disposed within the chute 32, and the baffle 323 disposed at the upper end of the T-shaped horizontal portion. When the push plate 31 slides to the second end 322 of the chute 32, the T-shaped horizontal portion and the baffle 323 disengage and extend upward out of the chute 32. A horizontal stop 311 is defined at the upper end of the push plate 31, and the side of the stop 311 extends upward integrally and is provided with a press cap 312. The push plate mechanism also includes a compression spring 33, a mounting plate 34 and a limit column 35. The mounting plate 34 is arranged in the slide groove 32, the limit column 35 is upright on the mounting plate 34 and vertically inserted into the lower part of the push plate 31, and a compression spring 33 is provided on the limit column 35 between the push plate 31 and the mounting plate 34; when the T-shaped horizontal part of the push plate 31 extends upward from the slide groove 32, the push plate 31 moves upward along the limit column 35 under the action of the compression spring 33, so that the stop table 311 pushes the slider 4211 upward, and the slider 4211 drives the reminder plate 41 to move upward and rotate to bypass the positioning block 423 until the stop block 422 blocks the reminder surface 411 of the reminder plate 41.

[0039] See Figure 4 and Figure 5In one embodiment of the present invention, the linear guide 421 includes a guide rail 4212 and a slider 4211. The reminder plate 41 is rotatably connected to the slider 4211 via a rotating shaft 424. The rotating shaft 424 passes through the guide groove of the guide rail 4212, so that the reminder plate 41 is located on the side of the guide rail 4212 away from the push plate 31, and the slider 4211 is slidably mounted on the side of the guide rail 4212 closer to the push plate 31. A torsion spring 425 is mounted on the rotating shaft 424. The ends of the torsion spring 425 are respectively fixedly connected to the slider 4211 and the reminder plate 41. When the slider 4211 drives the reminder plate 41 upward and rotates around the positioning block 423, the torsion spring 425 provides a torsional force that causes the reminder plate 41 to flip 180° so that the reminder surface 411 faces upward. The stopper 422 and positioning block 423 are each vertically positioned on one side of the guide groove of the guide rail 4212. The stopper 422 and positioning block 423 are positioned at different heights, with the positioning block 423 positioned below the stopper 422. The upper end of the guide groove of the guide rail 4212 is higher than the height at which the stopper 422 is positioned. When the stopper 422 is positioned against the reminder plate 41, the stopper 311 of the push plate 31 continues to push the slider 4211 upward, tilting the reminder surface 411 of the reminder plate 41 upward. The lower end of the guide groove of the guide rail 4212 is lower than the height at which the positioning block 423 is positioned. When the reminder surface 411 of the reminder plate 41 faces downward, the positioning block 423 is positioned against the reminder plate 41.

[0040] When the lever 31 is in the unlocked position, the second end 321 of the lever 31 is engaged with the second end 322 of the lever 32, and the lever 31 is in the unlocked position, and the second end 321 of the lever 31 is engaged with the second end 322 of the lever 32. When the lever 31 is in the unlocked position, the lever 31 is in the unlocked position, and the lever 31 is engaged with the second end 321 of the lever 32, and the lever 31 is engaged with the second end 322 of the lever 32. The stopper 311 of the push plate 31 is located at the lower end of the slider 4211 and pushes the slider 4211 upward, and the slider 4211 drives the reminder plate 41 to move up synchronously. At this time, since the stopper 422 is blocked on the reminder plate 41, the reminder plate 41 rotates around the rotating shaft 424 to bypass the positioning block 423. After passing the positioning block 423, the reminder plate 41 flips 180° under the action of the rebound force of the torsion spring 425, so that the colored side, that is, the reminder surface 411, faces upward until it abuts against the stopper 422. Since the slider 4211 is still being pushed up, the reminder plate 41 will rotate a certain angle under the resistance of the stopper 422 (at this time the torsion spring 425 contracts accordingly), and the reminder surface 411 is tilted upward, making it easier for the reminder operator with a shorter stature to observe that the pressure plate is in the engaged state at this time.

[0041] When it is necessary to exit the pressure plate body 21, the push plate 31 is pressed down by pressing the push cap 312 until the lower horizontal part of the push plate 31 enters the slide groove 32, and then the push cap 312 is moved to the side away from the reminder plate 41 to clamp the lower end of the push plate 31 in the baffle 323. Since the push plate 31 is pushed to the side away from the linear guide 421, the push plate 31 will correspondingly push the pressure plate body 21, so that the second end of the pressure plate body 21 is detached from the pressure plate connecting column 23, and it is now in the exit state. The reminder plate 41 can then be flipped 180° and snapped into the surface of the positioning block 311 to retract the reminder plate 41. The relay protection secondary pressure plate device of the present invention is easy to operate and improves the inspection and maintenance efficiency.

[0042] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by one of ordinary skill in the art without departing from the spirit and technical principles disclosed in the present invention are intended to be covered by the claims of the present invention.

Claims

1. A relay protection secondary pressure plate device, characterized in that: include: Base (1); A pressure plate mechanism, the pressure plate mechanism comprising a pressure plate body (21), a pressure plate column (22) and a pressure plate connecting column (23), the pressure plate column (22) and the pressure plate connecting column (23) are respectively upright mounted on the base (1), and the first end of the pressure plate body (21) is connected to the pressure plate column (22); A push plate mechanism, the push plate mechanism comprising a push plate (31) and a slide groove (32), the slide groove (32) being provided in the base (1), the push plate (31) being slidably fitted and telescopically arranged in the slide groove (32) in a direction perpendicular to the base (1); A reminder plate mechanism, the reminder plate mechanism comprising a reminder plate (41) and a mounting assembly, the mounting assembly comprising a linear guide rail (421), a stopper (422) and a positioning block (423), the linear guide rail (421) being upright mounted on the base (1), the reminder plate (41) being rotatably connected to a slider (4211) of the linear guide rail (421), and the positioning block (423) being disposed on the reminder plate (41); wherein, when the pressure plate body (21) rotates around the pressure plate column (22), the second end of the pressure plate body (21) opposite to the first end thereof is engaged with the pressure plate connecting column (23); during the rotation of the pressure plate body (21), the pressure plate body (21) pushes the push plate (31) to slide along the slide groove (32); when the push plate (31) reaches a preset position close to the linear guide rail (421), the push plate (31) extends out of the slide groove (32), so that the end of the push plate (31) away from the slide groove (32) pushes the slider (4211) to move in a direction away from the base (1); the slider (4211) drives the reminder plate (41) to move in a direction away from the base (1), so that the reminder plate (41) rotates and moves under the joint action of the positioning block (423) and the slider (4211). Bypassing the positioning block (423) and flipping over, when the reminder plate (41) moves to the reminder surface (411) of the reminder plate (41) blocked by the stop block (422), the slider (4211) continues to move upward under the push of the push plate (31), so that the reminder plate (41) continues to rotate a certain angle until the second end of the pressure plate body (21) rotates to be engaged with the pressure plate connecting column (23); when the push plate (31) is pressed toward the base (1) to the preset position, the push plate (31) is moved along the slide groove (32) toward the direction away from the slider (4211), and the push plate (31) pushes the pressure plate body (21) so that the second end of the pressure plate body (21) is separated from the pressure plate connecting column (23), and the reminder plate (41) can be manually returned.

2. The relay protection secondary pressure plate device according to claim 1, characterized in that: The pressure plate column (22) and the pressure plate connecting column (23) are arranged at both ends of the base (1) in the y-axis direction, the slide groove (32) is arranged along the x-axis direction of the base (1), and the slide groove (32) is opened on the base (1) between the pressure plate column (22) and the pressure plate connecting column (23), and the linear guide rail (421) is upright on the base (1) corresponding to the second end (322) of the slide groove (32). When the second end of the pressure plate body (21) approaches the pressure plate connecting column (23), the pressure plate body (21) pushes the push plate (31) to slide from the first end (321) of the slide groove (32) to the second end (322) of the slide groove (32).

3. The relay protection secondary pressure plate device according to claim 2, characterized in that: The slide groove (32) is a horizontal groove and is provided with a baffle (323). The baffle (323) is arranged along the length direction of the slide groove (32) and extends horizontally to the second end (322) close to the slide groove (32). The preset position is a position between the baffle (323) and the second end (322) of the slide groove (32). The push plate (31) is an inverted T-shape. The T-shaped horizontal part of the push plate (31) is arranged in the slide groove (32), and the baffle (323) is blocked at the upper end of the T-shaped horizontal part. When the push plate (31) slides to the second end (322) of the slide groove (32), the T-shaped horizontal part and the baffle (323) are separated and extend upward from the slide groove (32).

4. The relay protection secondary pressure plate device according to claim 3, characterized in that: A horizontal stopper (311) is provided at the upper end of the push plate (31), and the side of the stopper (311) extends upwards integrally and is provided with a pressing cap (312).

5. The relay protection secondary pressure plate device according to claim 4, characterized in that: The push plate mechanism also includes a compression spring (33), a mounting plate (34) and a limiting column (35), wherein the mounting plate (34) is arranged in the slide groove (32), the limiting column (35) is uprightly arranged on the mounting plate (34) and vertically inserted in the lower part of the push plate (31), and the compression spring (33) is arranged on the limiting column (35) between the push plate (31) and the mounting plate (34); when the T-shaped The horizontal portion extends upward from the slide groove (32), and the push plate (31) moves upward along the limit column (35) under the action of the compression spring (33), so that the stopper (311) pushes the slider (4211) upward, and the slider (4211) drives the reminder plate (41) to move upward and rotate around the positioning block (423) until the stop block (422) is blocked on the reminder surface (411) of the reminder plate (41).

6. The relay protection secondary pressure plate device according to claim 5, characterized in that: The linear guide rail (421) includes a guide rail (4212) and a slider (4211); the reminder plate (41) is rotatably connected to the slider (4211) via a rotating shaft (424); the rotating shaft (424) passes through a guide groove of the guide rail (4212), so that the reminder plate (41) is arranged on a side of the guide rail (4212) away from the push plate (31); and the slider (4211) is slidably fitted on a side of the guide rail (4212) close to the push plate (31).

7. The relay protection secondary pressure plate device according to claim 6, characterized in that: A torsion spring (425) is installed on the rotating shaft (424), and two ends of the torsion spring (425) are respectively fixedly connected to the slider (4211) and the reminder plate (41). When the slider (4211) drives the reminder plate (41) to move upward and rotate around the positioning block (423), the torsion spring (425) provides a torsional force to cause the reminder plate (41) to flip over so that the reminder surface (411) faces upward.

8. The relay protection secondary pressure plate device according to claim 7, characterized in that: The stopper (422) and the positioning block (423) are respectively arranged upright on one side of the guide groove of the guide rail (4212); the stopper (422) and the positioning block (423) are arranged at different heights, and the positioning block (423) is located below the stopper (422).

9. The relay protection secondary pressure plate device according to claim 8, characterized in that: The height of the upper end of the guide groove of the guide rail (4212) is higher than the setting height of the stop block (422). When the stop block (422) is blocked on the reminder plate (41), the stop platform (311) of the push plate (31) continues to push the slider (4211) upward, so that the reminder surface (411) of the reminder plate (41) is tilted upward.

10. The relay protection secondary pressure plate device according to claim 9, characterized in that: The height of the lower end of the guide groove of the guide rail (4212) is lower than the setting height of the positioning block (423), so that when the reminder surface (411) of the reminder plate (41) faces downward, the positioning block (423) is blocked on the reminder plate (41).

Images