CN203910634U - Grounding switch manual and electric operation automatic conversion device - Google Patents

Abstract

The utility model relates to an automatic conversion device for manual and electric operation of a grounding switch, which comprises a mounting plate, an upper fixed block, a lower fixed block, a movable plate, an operating handle, a travel switch, and a reset spring. The movable plate is provided with an operating hole. The mounting plate is provided with a positioning hole, and the bottom of the movable plate is provided with a control part; the utility model has the advantages that the control part controls the travel switch to be separated by moving the movable plate on the mounting plate, and the grounding switch opening and closing circuit is disconnected. , the operating handle is inserted into the operating hole on the movable plate that matches the grounding switch shaft to realize manual operation of the grounding switch, the movable plate is reset by the reset tension spring, and the upper opening and closing circuit of the travel switch is closed, so that the grounding realizes electric operation. It realizes the automatic conversion between manual and electric operation of the grounding switch, and has a simple structure. The movable plate moves along the upper fixed plate and the lower fixed plate, which ensures the stable performance of the movable plate when it moves, avoids the damage of the movable plate to the travel switch, and is safe. High performance.

Description

Grounding switch manual, electric operation automatic conversion device

technical field

The utility model relates to an automatic switching device for manual and electric operation of a grounding switch.

Background technique

At present, most of the grounding switches of mid-mounted high-voltage switchgear are manually operated. With the continuous promotion and use of intelligent switchgear, electric-operated grounding switches are becoming more and more widespread. The existing intelligent mid-mounted high-voltage switchgear grounding switches The default operation mode is electric operation, but manual operation and electric operation cannot be switched well, and operators need to operate separately, which has poor practical performance, heavy workload, poor safety performance, and poor reliability performance.

Utility model content

The technical problem to be solved by the utility model is the defect existing in the manual operation and electric operation of the existing earthing switch, so as to provide an automatic switching device for the manual and electric operation of the earthing switch that can automatically switch between manual operation and electric operation.

In order to solve the above-mentioned technical problems, the utility model is realized through the following technical solutions: the manual and electric operation automatic conversion device of the earthing switch, including a mounting plate, an upper fixing block fixedly connected to the mounting plate, a lower fixing block, and a movable connection mounting plate The upper movable plate, the operating handle for controlling the manual operation of the earthing switch, and the travel switch for controlling the electric operation of the earthing switch, the upper and lower ends of the movable plate are respectively movably connected to the mounting plate along the upper fixed block and the lower fixed block, and the movable The middle part of the plate is provided with an operation hole matching the grounding switch shaft, and a positioning hole matching the operation hole is provided on the installation plate below the operation hole, and the movable stroke of the movable plate on the installation board is greater than or equal to the operation The diameter of the hole, the mounting plate above the positioning hole is provided with a pressing plate for the installation of the operating handle, and the bottom end of the movable plate is provided with a control part that controls the opening or closing of the opening and closing circuit on the travel switch, and also includes The reset tension spring for resetting the movable plate after the movement, the bottom end of the reset tension spring is connected with the movable plate, and the top end of the reset tension spring is connected with the installation plate.

Preferably, a push plate with a slope is provided at the bottom of the control part, the cross section of the push plate on the mounting plate is L-shaped, the horizontal part of the push plate is fixedly connected to the mounting plate, and the push plate The vertical part is set downwards, and the setting of the slope is conducive to the opening or closing operation of the upper opening and closing circuit of the travel switch, which reduces the downward pressure and stress area on the travel switch, avoids damage to the travel switch, and reduces damage to the travel switch The workload brought by it is good to use.

Preferably, the upper fixing block and the lower fixing block are arranged symmetrically with respect to the horizontal axis of the mounting plate, and both the upper fixing block and the lower fixing block are fixedly connected to the mounting plate by screws, with good movable effect, simple structure and convenient installation.

Preferably, the movable plate is respectively provided with an upper chute matched with the upper fixed block and a lower chute matched with the lower fixed block, at least one set of control upper The chute is slidably connected to the first limit bar and the first limit groove on the upper fixed block, and at least one set of second limit bars for controlling the slidable groove to be slidably connected to the lower fixed block is provided between the lower fixed block. The position bar and the second limit groove control the sliding of the upper chute on the upper fixed block through the first limit bar and the first limit groove, and the second limit bar and the second limit groove control the sliding of the lower chute on the lower fixed block Sliding effectively prevents the movable block from falling off the upper fixed block or the lower fixed block when sliding, the movable effect is good, the operation hole is convenient to be aligned with the positioning hole, the practical performance is good, the structure is simple, and the operation is simple.

Preferably, the outer edge of the movable plate is provided with a protruding portion, and the protruding portion is provided with a connecting hole for the connection of the reset tension spring, and the inner wall of the protruding portion is provided with a The clamping plate on the convex edge is convenient for the positioning of the reset extension spring, and the reset effect of the movable plate is good, avoiding the separation of the extension spring and the movable plate during the reset process, high safety performance, good use effect, and convenient installation and disassembly.

Preferably, the middle part of the pressure plate is provided with a through hole for the operation handle to pass through, and an elastic band is provided on the mounting plate below the pressure plate to lock the operation handle on the pressure plate, and the operation handle is locked on the pressure plate through the elastic band On the one hand, the detachment phenomenon of the operating handle is reduced, the structure is simple, the installation is convenient, the safety performance is good, and the operating handle is convenient to fix and take.

To sum up, the utility model has the advantages: through the movable plate moving on the mounting plate, the control part controls the travel switch to separate, the grounding switch opening and closing circuit is disconnected, and the operating handle is inserted into the movable plate provided with the grounding switch shaft. The matching operation hole realizes manual operation of the grounding switch, resets the movable plate through the reset tension spring, closes the upper opening and closing circuit of the travel switch, and realizes the electric operation of the grounding, realizing the automatic conversion of the manual and electric operation of the grounding switch, with a simple structure. The movable plate is moved along the upper fixed plate and the lower fixed plate, which ensures the stability of the movable plate when it is moving, avoids the damage of the movable plate to the travel switch, and has high safety performance. The operating handle is installed through the pressing plate, which effectively improves the operation The flexibility reduces the operator's workload of carrying the operating handle with him. It is easy to install, easy to use and reliable.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is a structural schematic diagram of the utility model grounding switch manual, electric operation automatic switching device.

Detailed ways

Embodiment one:

As shown in Figure 1, the manual and electric operation automatic conversion device of the grounding switch includes a mounting plate 1, an upper fixed block 2 fixedly connected to the mounting plate 1, a lower fixed block 3, a movable plate 4 on the movably connected mounting plate 1, The operating handle 5 for controlling the manual operation of the grounding switch, the travel switch 6 for controlling the electric operation of the grounding switch, the upper and lower ends of the movable plate 4 are respectively movably connected to the mounting plate 1 along the upper fixed block 2 and the lower fixed block 3, and the The middle part of movable plate 4 is provided with the operating hole 43 that cooperates with the grounding switch shaft, and the described mounting plate 1 below the operating hole is provided with the positioning hole 11 that matches with operating hole 43, and described movable plate 4 is on the mounting plate. The movable stroke on 1 is greater than or equal to the diameter of the operating hole 43, the mounting plate 1 above the positioning hole 11 is provided with a pressing plate 8 for the operating handle 5 to be installed, and the bottom end of the movable plate 4 is provided with a control travel switch 6 The control part 9 for disconnecting or closing the upper opening and closing circuit also includes a reset extension spring 7 that resets the movable plate 4 after the activity. The bottom end of the reset extension spring 7 is connected with the movable plate 4, and the reset extension spring The top of 7 is connected with the mounting plate 1, and the bottom end of the 9 positions of the control part is provided with a push plate with a slope 91. The cross section of the push plate on the mounting plate 1 is L-shaped, and the horizontal part of the push plate is fixedly connected. On the mounting plate 1, the vertical part of the push plate is set downwards, and the setting of the slope 91 is conducive to the opening or closing operation of the upper opening and closing circuit of the travel switch 6, which reduces the downward pressure and stress on the travel switch 6 area, avoiding the damage of the travel switch 6, reducing the workload caused by the damage of the travel switch 6, the use effect is good, the upper fixing block 2 and the lower fixing block 3 are arranged symmetrically about the horizontal axis of the mounting plate 1, and the upper Both the fixed block 2 and the lower fixed block 3 are fixedly connected to the mounting plate 1 by screws, the movable effect is good, the structure is simple, and the installation is convenient. The movable plate 4 is respectively provided with an upper chute 41 matching with the upper fixed block 2 And the sliding groove 42 matched with the lower fixing block 3, the upper sliding groove 41 is provided with at least one first limiting bar, and the upper fixing block 2 is provided with a first limiting bar matched with the first limiting bar. Position-limiting groove, described sliding groove 42 is provided with at least one second position-limiting bar, and described lower fixed block 3 is provided with the second position-limiting groove that cooperates with the second position-limiting bar, through the first position-limiting bar And the first limit groove controls the upper chute 41 to slide on the upper fixed block 2, and the second limit bar and the second limit groove control the lower groove 42 to slide on the lower fixed block 3, effectively avoiding the sliding of the movable block when sliding. Falling off the upper fixed block 2 or the lower fixed block 3, the activity effect is good, it is convenient to align the operation hole 43 with the positioning hole 11, the practical performance is good, the structure is simple, and the operation is simple. The outer edge of the movable plate 4 is provided with a convex edge 40 , the convex portion 40 is provided with a connection hole 400 for the connection of the return tension spring 7 , and the inner wall of the convex portion 40 is provided with a clamp 401 for fixing the reset tension spring 7 on the convex portion 40 , easy to reset the positioning of the tension spring 7, the reset effect of the movable plate 4 is good, avoiding the separation of the tension spring 7 and the movable plate 4 during the reset process, high safety performance, good use effect, convenient installation and disassembly, the middle part of the pressure plate 8 is set There is a pass through which is convenient for the operation handle 5 to be worn. Holes 81, on the mounting plate 1 below the pressure plate 8, there is an elastic band 82 that locks the operating handle 5 on the pressure plate 8, and the operating handle 5 is locked on the pressure plate 8 through the elastic band, which reduces the separation of the operating handle 5 Phenomenon, simple structure, easy installation, good safety performance, easy to fix and take the operating handle 5.

Embodiment two:

As described in Embodiment 1, the manual and electric operation automatic switching device of the grounding switch has the following differences: the upper fixing block 2 is provided with at least one first limit bar, and the upper chute 41 is There is a first limit groove matched with the first limit bar, at least one second limit bar is provided on the lower fixed block 3, and at least one second limit bar is provided on the sliding groove 42 to cooperate with the second limit bar. The second limit slot.

When in use, the mounting plate 1 is fixedly connected to the middle-mounted high-voltage switch cabinet so that the horizontal axis of the operating shaft 10 of the grounding switch coincides with the horizontal axis of the positioning hole 11 on the mounting plate 1. When the grounding switch needs to be manually operated, press the pressing plate 8 to make it The movable plate 4 moves downward on the mounting plate 1 along the upper fixed block 2 and the lower fixed block 3, and the control part 9 fixedly connected to the lower part of the movable plate 4 is in contact with the travel switch 6, so that it disconnects the opening and closing circuit and moves The operating hole 43 on the board is aligned with the positioning hole 11 on the mounting plate 1, and the grounding switch can be opened and closed manually by inserting the operating handle 5. Move, the travel switch 5 is closed and the grounding switch opening and closing circuit is connected, and automatically converts to the default electric operation mode. At this time, the movable plate 4 covers the grounding switch operating shaft 10, and the grounding switch can not be manually operated.

By moving the movable plate on the mounting plate, the control part controls the travel switch to separate and disconnect the opening and closing circuit of the grounding switch. The return tension spring resets the movable plate, and the upper opening and closing circuit of the travel switch is closed, so that the grounding can be operated electrically, and the automatic conversion between manual and electric operation of the earthing switch is realized. The structure is simple, and the movable plate moves along the upper fixed plate and the lower fixed plate. , which ensures the stable performance of the movable plate when it is active, avoids the damage of the movable plate to the travel switch, and has high safety performance. The operating handle is installed through the pressing plate, which effectively improves the flexibility of operation and reduces the operator’s need to carry the operating handle with him. workload, easy to install, easy to use and reliable.

Claims (6)

1. The automatic conversion device for manual and electric operation of the grounding switch is characterized in that it includes a mounting plate (1), an upper fixing block (2) fixedly connected to the mounting plate (1), a lower fixing block (3), a movable connection installation The movable plate (4) on the plate (1), the operating handle (5) for controlling the manual operation of the grounding switch, and the travel switch (6) for controlling the electric operation of the grounding switch, the upper and lower ends of the movable plate (4) are respectively The fixed block (2) and the lower fixed block (3) are movably connected on the mounting plate (1), and the middle part of the movable plate (4) is provided with an operation hole (43) matched with the grounding switch shaft (10). The mounting plate (1) below the operating hole (43) is provided with a positioning hole (11) matched with the operating hole (43), and the movable stroke of the movable plate (4) on the mounting plate (1) is greater than Equal to the diameter of the operating hole (43), the mounting plate (1) above the positioning hole (11) is provided with a pressing plate (8) for the operating handle (5) to be installed, and the bottom end of the movable plate (4) It is provided with a control part (9) that controls the opening or closing of the upper opening and closing circuit of the travel switch (6), and also includes a reset extension spring (7) that resets the movable plate (4) after the activity, and the reset extension spring ( 7) is connected to the movable plate (4) at the bottom, and the top of the reset tension spring (7) is connected to the mounting plate (1). 2. The earthing switch manual and electric operation automatic conversion device according to claim 1, characterized in that: the bottom end of the control part (9) is provided with a push plate with a slope (91), and the push plate is mounted on the mounting plate (1) has an L-shaped cross section, the horizontal part of the push plate is fixedly connected to the mounting plate (1), and the vertical part of the push plate is set downward. 3. The grounding switch manual and electric operation automatic switching device according to claim 1, characterized in that: the upper fixing block (2) and the lower fixing block (3) are arranged symmetrically with respect to the horizontal axis of the mounting plate (1), Both the upper fixing block (2) and the lower fixing block (3) are fixedly connected to the mounting plate (1) by screws. 4. The grounding switch manual and electric operation automatic conversion device according to claim 3, characterized in that: the movable plate (4) is respectively provided with an upper chute (41) matching with the upper fixed block (2) And the lower chute (42) matched with the lower fixed block (3), at least one set of control upper chute is provided between the upper chute and the upper fixed block (2) and is slidably connected to the upper fixed block (2) The first limiting strip and the first limiting groove, at least one group of control sliding grooves are provided between the sliding groove and the lower fixing block (3) and the second limiting strip and Second limit slot. 5. The earthing switch manual and electric operation automatic conversion device according to claim 4, characterized in that: the outer edge of the movable plate (4) is provided with a convex edge (40), and the convex edge (40) There is a connection hole (400) for the connection of the return tension spring (7), and the inner side wall of the convex edge (40) is provided with a fixed connection of the reset tension spring (7) on the convex edge (40). Card board (401). 6. The grounding switch manual and electric operation automatic conversion device according to claim 1, characterized in that: the middle part of the pressure plate (8) is provided with a through hole (81) that is convenient for the operation handle (5) to pass through. The mounting plate (1) below (8) is provided with an elastic band (82) for locking the operating handle (5) on the pressing plate (8).