Device for monitoring mechanical characteristics of high-voltage circuit breaker

Abstract

The utility model discloses a mechanical characteristic monitoring device for a high-voltage circuit breaker, which comprises a cabinet body used for bearing a monitoring device body, a lifting assembly is arranged in the cabinet body, and the lifting assembly is arranged below the monitoring device body and can drive the monitoring device body to lift. The lifting assembly is arranged in the cabinet body, so that the bearing plate can be lifted or lowered, the bearing plate is adjusted to the position matched with the height of the circuit breaker, wiring operation between the monitoring device and the circuit breaker is facilitated, frequent squatting and rising are not needed, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a high voltage circuit breaker, specifically a high voltage circuit breaker mechanical characteristic monitoring device. BACKGROUND

[0002] The high voltage circuit breaker can not only cut off or close the no-load current and load current in the high voltage circuit, but also cut off the overload current and short-circuit current through the action of the relay protection device when the system fails. Its importance is self-evident, so its running state needs to be monitored, and the high voltage circuit breaker mechanical characteristic monitoring device is used to monitor the running state of the high voltage circuit breaker.

[0003] When using, the monitoring device needs to be connected with the circuit breaker through cable, the height of the circuit breaker is not the same, the height of the monitoring device is generally unchanged, and there is almost no suitable platform beside the circuit breaker to place the monitoring device, so the monitoring device needs to be placed on the ground, and the worker needs to frequently stand up and squat down when connecting, which is inconvenient. UTILITY MODEL CONTENTS

[0004] In order to solve the defects of the prior art, the utility model provides a high voltage circuit breaker mechanical characteristic monitoring device, which is characterized in that a lifting assembly is arranged in the cabinet body to lift or lower the bearing plate, so that the bearing plate can be adjusted to a position matched with the height of the circuit breaker, the wiring operation between the monitoring device and the circuit breaker is facilitated, and the worker does not need to frequently squat down, so that the use is convenient.

[0005] In order to achieve the above technical purpose, the utility model adopts the following technical scheme: a high voltage circuit breaker mechanical characteristic monitoring device, which comprises a cabinet body for bearing a monitoring device body, a lifting assembly is arranged in the cabinet body, the lifting assembly is arranged below the monitoring device body and can drive the lifting of the monitoring device body;

[0006] The lifting assembly comprises a lead screw, a moving block, a hand wheel, a mounting plate, an inclined sliding rail, an inclined sliding block, a lifting plate and a bearing plate, the lead screw is located in the cabinet body and one end thereof extends to the outside of the cabinet body, the hand wheel is fixed to the outer end of the lead screw to drive the rotation of the lead screw, the moving block is threadedly connected to the lead screw, the mounting plate is fixedly connected to the moving block, the inclined sliding rail is fixedly arranged on the mounting plate, the inclined sliding block is connected to the inclined sliding rail, the lifting plate is fixed to the inclined sliding block, the bearing plate is fixed to the lifting plate, the lifting plate is further provided with a vertical guide rod, and the upper end of the bearing plate bears the monitoring device body to realize the lifting.

[0007] The lead screw is installed on the base plate through a bearing with a seat, the outer end of the lead screw extends to the outside of the cabinet body and is fixedly connected with the hand wheel, and the hand wheel is provided with a handle.

[0008] The moving block comprises a bottom plate and a vertical plate, the vertical plate is screwed to the lead screw, the bottom plate is fixedly connected to the vertical plate, the bottom of the bottom plate is further provided with a horizontal sliding block, the horizontal sliding block is matched with a horizontal guide rail, and the horizontal guide rail is fastened to the base plate.

[0009] The mounting plate is fixedly connected to the side wall of the bottom plate and the vertical plate, a plurality of direction mounting holes are formed in the mounting plate, and the inclined slide rail can be fixed to one of the direction mounting holes.

[0010] The inner wall of the cabinet body is fixed with a base plate, the base plate is provided with a limiting rod, and the lower end of the vertical guide rod is fixed to the base plate.

[0011] The bottom of the cabinet body is provided with wheels.

[0012] In conclusion, the utility model achieves the following technical effects:

[0013] The utility model utilizes a cabinet to bear the monitoring device body, utilizes the lifting function of the lead screw and the inclined slide rail to realize the lifting of the monitoring device body, lifts the monitoring device body to the position matched with the height of the circuit breaker, facilitates the wiring operation of workers, and does not need to frequently squat;

[0014] The cabinet body can also be used for storage and transportation. DRAWINGS

[0015] Figure 1 It is a high-voltage circuit breaker mechanical characteristic monitoring device schematic view;

[0016] Figure 2 It is Figure 1 Partial left view;

[0017] Figure 3 It is a mounting plate schematic view. DETAILED DESCRIPTION

[0018] The utility model will be further described in detail below in combination with the drawings.

[0019] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and the person skilled in the art can make non-creative contribution modification according to the needs after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

[0020] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0021] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0022] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] In the utility model, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0024] Embodiment:

[0025] Figure 1The utility model is a kind of high voltage circuit breaker mechanical characteristic monitoring device schematic diagram, can store monitoring device body and lift it to appropriate height, including the cabinet body 1 for carrying monitoring device body 16, lifting assembly is arranged in the cabinet body 1, the lifting assembly is arranged below the monitoring device body 16 and can drive the lifting of monitoring device body 16;

[0026] The utility model sets up lifting assembly can the position of monitoring device body 16 is lifted or reduced.

[0027] The lifting assembly includes lead screw 5, moving block 3, hand wheel 7, mounting plate 9, inclined slide rail 10, inclined slide block 11, lifting plate 12, bearing plate 13, the lead screw 5 is located inside the cabinet body 1 and one end extends to the outside of the cabinet body 1, the hand wheel 7 is fixed at the outer end of the lead screw 5 to drive the rotation of the lead screw 5, the moving block 3 is threadedly connected to the lead screw 5, the mounting plate 9 is fixedly connected to the moving block 3, the inclined slide rail 10 is obliquely fixed on the mounting plate 9, the inclined slide block 11 is connected to the inclined slide rail 10, the lifting plate 12 is fixed to the inclined slide block 11, the bearing plate 13 is fixed to the lifting plate 12, the lifting plate 12 is also provided with vertical guide rod 14, the upper end of the bearing plate 13 carries the monitoring device body 16 to realize lifting.

[0028] The utility model lead screw realizes horizontal motion, and inclined slide rail is used as wedge-shaped block to realize vertical motion, and lead screw can convert horizontal motion into vertical motion, so as to realize the lifting of monitoring device body.

[0029] The base plate 2 is arranged in the cabinet body 1, the upper portion of the base plate 2 is provided with lifting assembly, and the lower portion is supported by support leg, and the space of the lower portion can be used as storage space in cooperation with the side door of the cabinet body.

[0030] The vertical guide rod 14 can realize vertical guidance and limit the position of the bearing plate 13 in horizontal direction, to ensure vertical motion.

[0031] Specifically, the lead screw 5 is installed on the base plate 2 through the bearing 6 with seat, the outer end of the lead screw 5 extends to the outside of the cabinet body 1 and is fixedly connected with the hand wheel 7, and the hand wheel 7 is provided with handle 8. The lead screw 5 adopts the general self-locking lead screw in the market to prevent self-rotation when no one operates. The hand wheel 7 can allow workers to freely adjust the height according to the live situation.

[0032] The moving block 3 comprises a bottom plate 32 and a vertical plate 31, the vertical plate 31 is threadedly connected to the lead screw 5, the bottom plate 32 is fixedly connected to the vertical plate 31, and the bottom of the bottom plate 32 is further provided with a horizontal sliding block 41 which is matched with a horizontal guide rail 42 which is fastened on the base plate 2. The vertical plate 31 is matched with the self-locking lead screw, the rotation of the lead screw can drive the moving block 3 to move left and right, because the moving block adopts L shape, the weight is reduced, the connection length between the lead screw and the moving block is only the thickness of the vertical plate, which is convenient for maintenance of the lead screw and reduces the friction to improve the smoothness of the worker operating the hand wheel. The horizontal sliding block 41 is matched with the horizontal guide rail 42 to reduce the friction.

[0033] Figure 2 is Figure 1 Partial left view, the mounting plate 9 is fixedly connected to the side wall of the bottom plate 32 and the vertical plate 31, and the fastening is better.

[0034] Figure 3 is a mounting plate schematic view, the mounting plate 9 is provided with a plurality of direction mounting holes 91, and the inclined sliding rail 10 can be fixed to one of the direction mounting holes 91. Three mounting holes with different inclinations are shown in the figure, and one mounting hole is selected according to the situation, so that the height stroke of lifting can be adjusted.

[0035] The base plate 2 is fixedly arranged in the inner wall of the cabinet body 1, the base plate 2 is provided with a limiting rod 15, and the lower end of the vertical guide rod 14 is fixed on the base plate 2.

[0036] The cabinet body 1 is provided with wheels 17 at the bottom, so as to facilitate movement and transportation.

[0037] The bearing plate is located in the cabinet body and can also be used for storing monitoring devices.

[0038] Working principle:

[0039] The monitoring device body 16 is placed on the bearing plate 13, the cabinet body is pushed to a suitable position, and the cover (not shown) of the cabinet body is opened;

[0040] The worker holds the handle 8 and shakes the hand wheel 7 in the positive direction, so that the lead screw 5 rotates and drives the moving block 3 to move left, so that the inclined sliding rail 10 moves left, because the bearing plate 13 is limited in the horizontal position by the vertical guide rod 14, the relative movement between the inclined sliding rail 10 and the inclined sliding block 11 occurs, the inclined sliding block is lifted, the bearing plate 13 is lifted, and finally the monitoring device body 16 is lifted, the worker can control the number of turns of the hand wheel to control the position of the monitoring device body 16 to be lifted, and the wiring is facilitated.

[0041] The reverse operation can be performed when descending.

[0042] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form. Any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments are within the scope of the technical scheme of the present application.

Claims

1. A device for monitoring the mechanical characteristics of a high-voltage circuit breaker, characterized in that: Includes a cabinet (1) for carrying the monitoring device body (16), and a lifting assembly is provided inside the cabinet (1). The lifting assembly is located below the monitoring device body (16) and can drive the monitoring device body (16) to rise and fall. The lifting assembly includes a lead screw (5), a moving block (3), a handwheel (7), a mounting plate (9), an inclined slide rail (10), an inclined slider (11), a lifting plate (12), and a support plate (13). The lead screw (5) is located inside the cabinet (1) and one end extends outside the cabinet (1). The handwheel (7) is fixed to the outer end of the lead screw (5) to drive the lead screw (5) to rotate. The moving block (3) is threaded to the lead screw (5). The mounting plate (9) is fixedly connected to the moving block (3). The inclined slide rail (10) is inclinedly fixed on the mounting plate (9). The inclined slider (11) is connected to the inclined slide rail (10). The lifting plate (12) is fixed to the inclined slider (11). The support plate (13) is fixed to the lifting plate (12). The lifting plate (12) is also provided with a vertical guide rod (14). The upper end of the support plate (13) supports the monitoring device body (16) to achieve lifting.

2. The high-voltage circuit breaker mechanical characteristic monitoring device according to claim 1, characterized in that: The lead screw (5) is mounted on the base plate (2) via a bearing (6). The outer end of the lead screw (5) extends out of the cabinet (1) and is fixedly connected to the handwheel (7). The handwheel (7) is equipped with a handle (8).

3. The high-voltage circuit breaker mechanical characteristic monitoring device according to claim 1, characterized in that: The movable block (3) includes a base plate (32) and a vertical plate (31). The vertical plate (31) is threaded to the lead screw (5). The base plate (32) is fixedly connected to the vertical plate (31). A horizontal slider (41) is also provided at the bottom of the base plate (32). The horizontal slider (41) is fitted with a horizontal guide rail (42). The horizontal guide rail (42) is fastened to the base plate (2).

4. The high-voltage circuit breaker mechanical characteristic monitoring device according to claim 3, characterized in that: The mounting plate (9) is fixedly connected to the side wall of the base plate (32) and the vertical plate (31); the mounting plate (9) has mounting holes (91) in multiple directions, and the inclined slide rail (10) can be fixed to the mounting hole (91) in one of the directions.

5. The high-voltage circuit breaker mechanical characteristic monitoring device according to claim 1, characterized in that: The inner wall of the cabinet (1) is fixed with a base plate (2), the base plate (2) is provided with a limit rod (15), and the lower end of the vertical guide rod (14) is fixed to the base plate (2).

6. The high-voltage circuit breaker mechanical characteristic monitoring device according to claim 1, characterized in that: The cabinet (1) is equipped with wheels (17) at the bottom.

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