CN220651897U - Misoperation preventing device for load switch - Google Patents

Abstract

The utility model discloses a misoperation prevention device of a load switch, which comprises an operation panel, wherein two operation hole covers are fixedly connected to the surface of the operation panel, a shaft lever is fixedly connected to the upper surface of the operation panel, a punching plate is fixedly connected to the inner wall of the shaft lever, and through holes are formed in the outer surface of each operation hole cover. The device can slide inwards in the operation hole cover through the door pin lock sleeve, so that the operation handle can be inserted randomly, the device is prepared for random closing of the load switch or the grounding switch, the load switch is in a closing state, the grounding switch is in a separating brake state, when the load switch is closed, the operation handle pushes the door pin lock sleeve inwards, the vacuum circuit breaker and the grounding switch are allowed to be operated by inserting the operation handle into the operation hole in the separating brake position, and the device has the advantages of simple structure, small volume, flexible operation, safe and reliable erroneous insertion prevention operation function and capability of greatly improving the practical value of the device.

Description

Misoperation preventing device for load switch

Technical Field

The utility model relates to the field of power distribution equipment, in particular to a misoperation prevention device for a load switch.

Background

A vacuum interrupter is a device for breaking or closing an electric circuit, which performs a function of breaking or connecting an electric current by operating in a vacuum environment. The vacuum circuit breaker utilizes high electrical insulation property in vacuum, can bear high voltage and high current, and can cut off current rapidly, and the vacuum circuit breaker has longer reliability and service life because of no moving parts, and simultaneously has higher operation speed and lower maintenance requirement, and the vacuum circuit breaker is widely applied to the fields of power systems, industrial equipment, transportation and the like and is used for protecting safe operation of circuits and equipment.

According to the utility model discloses a small-size solid sealed vacuum load switch prevents mistake and inserts operating means of patent number CN204088181U, including an operating panel, the operation escutcheon of upper portion load switch and the operation escutcheon of lower part earthing switch weld respectively on operating panel, the axostylus axostyle also welds on operating panel, when above-mentioned operating means is in use, vacuum circuit breaker does not design operating handle and prevents the mistake operating means, load switch adopts the procedure lock with earthing switch interlocking, its weak point is complex operation, the inconvenient safe operation of key, the practical value of equipment has been reduced, for this reason, we propose a load switch to prevent mistake operating means and solve above-mentioned problem.

Disclosure of Invention

The utility model aims to provide a load switch misoperation prevention device for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a load switch prevents maloperation device, includes operating panel, operating panel's fixed surface is connected with two operation hole covers, operating panel's upper surface fixedly connected with axostylus axostyle, the inner wall fixedly connected with of axostylus axostyle is beaten the board, every the through-hole has all been seted up to operating hole cover's surface, every operating hole cover's surface all fixedly connected with support, every the surface of support all fixedly connected with adapter sleeve, every the inside of adapter sleeve all is equipped with the pivot, operating panel's surface fixedly connected with two cotter lock sleeves, every the equal fixedly connected with main shaft joint of inner wall of cotter lock sleeve and earthing shaft operation head, every the surface of main shaft joint all overlaps and is equipped with the cam, every the equal fixedly connected with first spring of inner wall of cotter lock sleeve, operating panel's surface fixedly connected with earthing shaft turning arm.

In a further embodiment, the outer surface of the grounding shaft crank arm is connected with a screw in a threaded mode, and a second spring is arranged inside the operation hole cover.

Compared with the prior art, the utility model has the beneficial effects that:

the device can slide inwards in the operation hole cover through the door pin lock sleeve, so that the operation handle can be inserted randomly, the load switch or the grounding switch is prepared for random closing, the load switch is in a closing state, the grounding switch is in a separating brake state, when the load switch is closed, the operation handle pushes the door pin lock sleeve inwards, the vacuum circuit breaker and the grounding switch are allowed to be operated by inserting the operation handle into the operation hole in the separating brake position, and the device has the advantages of simple structure, small volume, flexible operation, safe and reliable erroneous insertion prevention operation function and capability of greatly improving the practical value of the device.

Drawings

FIG. 1 is a diagram showing a state of a ground switch of a load switch anti-misoperation device in a switch-off state.

FIG. 2 is a second diagram showing the ground switch of the load switch anti-misoperation device in the open state.

FIG. 3 is a third view showing the ground switch of the load switch anti-misoperation device in the open state.

Fig. 4 is a diagram showing a state of the ground switch of the load switch anti-misoperation device in the open state.

FIG. 5 is a diagram showing the state of the load switch on-ground switch off in the load switch misoperation prevention device.

FIG. 6 is a second diagram showing the state of the load switch on-ground switch off in the load switch misoperation prevention device.

Fig. 7 is a third diagram showing a state of opening the load switch closing grounding switch in the load switch misoperation prevention device.

FIG. 8 is a diagram showing the state of the load switch on-ground switch off in the load switch misoperation prevention device.

FIG. 9 is a diagram showing the state of the earthing switch on/off in the misoperation preventing device of the load switch.

FIG. 10 is a diagram showing the second state of the switch-on/switch-off of the grounding switch in the anti-misoperation device of the load switch.

FIG. 11 is a third view of the switch-on/off state of the grounding switch in the load switch misoperation prevention device.

Fig. 12 is a diagram showing a state of switching on/off the grounding switch in the load switch misoperation prevention device.

Fig. 13 is a fifth view showing a state of the earthing switch being closed and the earthing switch being opened in the load switch misoperation preventing device.

In the figure: 1. an operation panel; 2. door pin lock sleeve; 3. a spindle joint; 4. a ground shaft operating head; 5. a cam; 6. a grounding shaft crank arm; 7. a bracket; 8. b, plating; 9. a shaft lever; 10. a shaft pin; 11. connecting sleeves; 12. a first spring; 13. a screw; 14. operating the escutcheon; 15. and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-13, in the utility model, a load switch misoperation prevention device comprises an operation panel 1, wherein two operation hole covers 14 are fixedly connected to the surface of the operation panel 1, a shaft lever 9 is fixedly connected to the upper surface of the operation panel 1, a beating plate 8 is fixedly connected to the inner wall of the shaft lever 9, through holes are formed in the outer surface of each operation hole cover 14, a support 7 is fixedly connected to the outer surface of each operation hole cover 14, a connecting sleeve 11 is fixedly connected to the outer surface of each support 7, a shaft pin 10 is arranged in each connecting sleeve 11, two door pin lock sleeves 2 are fixedly connected to the outer surface of the operation panel 1, a main shaft joint 3 and a grounding shaft operation head 4 are fixedly connected to the inner wall of each door pin lock sleeve 2, a cam 5 is sleeved on the outer surface of each main shaft joint 3, a first spring 12 is fixedly connected to the inner wall of each door pin lock sleeve 2, and a grounding shaft crank arm 6 is fixedly connected to the outer surface of the operation panel 1.

The screw 13 is connected with the outer surface thread of the grounding shaft crank arm 6, the second spring 15 is arranged in the operation hole cover 14, and the operator can conveniently adjust the device through the set screw 13 and the second spring 15.

The working principle of the utility model is as follows:

when the device is used, the load switch and the grounding switch are in a brake separating state, the door pin lock sleeve 2 can slide inwards in the operation hole cover 14, the operation handle can be inserted at will to provide for random brake closing of the load switch or the grounding switch, the load switch is in a brake separating state, when the load switch is closed, the operation handle pushes the door pin lock sleeve 2 inwards to cover the spindle joint 3, the spindle is rotated rightwards, the cam 5 on the spindle joint 3 rotates along with the spindle, the beating plate 8 is stirred, the upper end moves rightwards, the lower end of the beating plate 8 is fixed through the middle shaft rod 9, the lower end of the beating plate 8 moves leftwards to push the shaft pin 10 to move into the grounding switch operation hole cover 14, the lower end of the beating plate 8 moves rightwards to push the shaft pin 10 to move into the load switch operation hole cover 14, the lower end of the beating plate 8 is inserted into the gap of the door pin lock sleeve 2, and the operation handle cannot be inserted into the load switch operation hole cover 14 to switch the load switch.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (2)

1. A load switch misoperation prevention device is characterized in that: including operating panel (1), the fixed surface of operating panel (1) is connected with two operation escutcheons (14), the last fixed surface of operating panel (1) is connected with axostylus axostyle (9), the inner wall fixedly connected with of axostylus axostyle (9) is beaten board (8), every the surface of operating escutcheon (14) is all offered the through-hole, every the equal fixedly connected with support (7) of surface of operating escutcheon (14), every the equal fixedly connected with adapter sleeve (11) of surface of support (7), every the inside of adapter sleeve (11) all is equipped with pivot (10), the outer surface fixedly connected with of operating panel (1) two cotter lock sleeves (2), every the equal fixedly connected with main shaft joint (3) and the earthing shaft operation head (4) of inner wall of cotter lock sleeve (2), every the equal cover of surface of main shaft joint (3) is equipped with cam (5), every the equal fixedly connected with first spring (12) of inner wall of cotter lock sleeve (2), the surface of operating panel (1) is connected with the turning arm (6).

2. The load switch misoperation prevention apparatus according to claim 1, wherein: the outer surface of the grounding shaft crank arm (6) is connected with a screw (13) in a threaded mode, and a second spring (15) is arranged in the operation hole cover (14).