CN217159083U

CN217159083U - Multi-size plastic-shell circuit breaker overhauling anti-misoperation equipment

Info

Publication number: CN217159083U
Application number: CN202123137034.XU
Authority: CN
Inventors: 孙玉泰; 刘永朝; 李强明; 刘启明; 蒋含雷; 李绩君; 宋二博; 张奥琦; 雷延英
Original assignee: Qinghai Yellow River New Energy Maintenance Co ltd
Current assignee: Qinghai Yellow River New Energy Maintenance Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-08-09
Anticipated expiration: 2031-12-13

Abstract

The utility model belongs to the equipment dimension examines appurtenance field, a many sizes moulded case circuit breaker overhauls prevents mistake operating means, including left side part and right side part, left side part includes the left side board, from last to setting up last connecting rod, worm, the lower slide bar on the left side board perpendicularly in proper order down, right side part includes the right side board, from last to setting up last slide cartridge, middle part sleeve, the lower slide cartridge on the right side board perpendicularly in proper order down, going up among connecting rod, worm, the lower slide bar embolias last slide cartridge, middle part sleeve, the lower slide cartridge respectively, be provided with adjusting device between middle part sleeve and the worm, adjusting device includes hand turntable, with the worm wheel of hand turntable fixed mutually, worm wheel and worm cooperation. The utility model provides a be used for cabinet moulded case circuit breaker that converges overhauls with preventing mistake combined floodgate device avoids dc-to-ac converter to overhaul the during operation moulded case circuit breaker mistake combined floodgate problem, guarantees maintainer personal safety.

Description

Multi-size plastic-shell circuit breaker overhauling anti-misoperation equipment

Technical Field

The utility model belongs to the auxiliary tool field is examined to equipment dimension, in particular to circuit breaker prevents mistake operating means.

Background

Photovoltaic power plant is when operation is overhauld, has some problems: (1) the plastic case circuit breaker cannot effectively suspend a safety signboard; (2) when a certain inverter of the integrated platform needs to be overhauled, if only the molded case circuit breaker of the alternating current bus cabinet is disconnected, the molded case circuit breaker has huge installation quantity and is not provided with an anti-misoperation locking device, so that the risk of false switching-on exists during overhauling; (3) if the circuit breaker on the low-voltage side of the sub-array box transformer substation is separated for the maintenance of only one group of series inverters, the loss of maintenance light abandoning power is increased, and the economic operation of a power station is not facilitated. Therefore, it is necessary to provide an anti-false switching-on device for a plastic shell breaker of an alternating current bus cabinet of a photovoltaic power station integrated platform.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be used for cabinet moulded case circuit breaker that converges overhauls with preventing mistake combined floodgate device avoids dc-to-ac converter to overhaul the during operation moulded case circuit breaker mistake combined floodgate problem, guarantees maintainer personal safety to solve moulded case circuit breaker and can't effectively hang the safety and mark the tablet problem. The power failure range of a single inverter during maintenance is reduced through the application of the anti-misoperation closing device, and the photoelectric loss caused by maintenance and abandonment is reduced.

For realizing the above-mentioned purpose, the utility model discloses a following technical scheme, the utility model discloses a light insulating material, utilize the adjustable structure of controlling the width of worm gear to form, a shell width for adapting to different model circuit breakers, the surface sets up marks the frame, place different marks and carry out circuit breaker state display, set up the gag lever post, a handle for fixed circuit breaker, make the unable activity of handle, the gag lever post is by the lower chassis, slider and body of rod are constituteed, the slider realizes removing and fixed function through the reciprocating motion of removing the connecting rod in the slide, it realizes reciprocating motion through the rotation that the slide removed the release piece to remove the connecting rod, remove fixed built-in key ring on the release piece, the elasticity function that removes the release piece and realize the slide is rotated through special key, special key has guaranteed the safety and the continuity of overhauing.

The device comprises a left side part and a right side part, wherein the left side part comprises a left side plate, an upper connecting rod, a worm and a lower sliding rod which are sequentially and vertically arranged on the left side plate from top to bottom, the right side part comprises a right side plate, an upper sliding barrel, a middle sleeve and a lower sliding barrel which are sequentially and vertically arranged on the right side plate from top to bottom, the upper connecting rod, the worm and the lower sliding rod are respectively sleeved in the upper sliding barrel, the middle sleeve and the lower sliding barrel, an adjusting device is arranged between the middle sleeve and the worm, the adjusting device comprises a manual turntable and a worm wheel connected with the manual turntable, and the worm wheel is matched with the worm.

Furthermore, the right side plate is fixed on the upper shell, and the upper shell is provided with a sign fence.

Furthermore, the circuit breaker anti-misoperation device further comprises a limiting shell, and the limiting shell is used for fixing a circuit breaker handle.

Furthermore, spacing shell includes the gag lever post, the gag lever post both ends are provided with chassis under the connecting rod respectively, the slide is located between chassis and the gag lever post under the connecting rod, and gag lever post slidable that is fixes on the slide, be provided with the slider on the chassis on the connecting rod, the width of slide is adjustable.

Furthermore, the slide way comprises vertical rods at two sides and movable connecting rods at two sides, a slide way is formed between the vertical rods and the movable connecting rods, and a width adjusting device is arranged between the movable connecting rods at two sides and used for adjusting the width between the two movable connecting rods so as to adjust the width of the slide way.

Furthermore, the width adjusting device comprises a movable release block positioned between the two movable connecting rods, and the movable release block and the two movable connecting rods are connected by elastic springs respectively.

Furthermore, the movable release block is fixed together with the rotary key ring and fixed in the limiting shell through a pin.

The utility model discloses a technical scheme have following beneficial effect:

1. the utility model discloses a light insulating material utilizes the relative position between the adjustable left side part of worm gear structure and the right side part for adapt to different model circuit breakers, the surface sets up marks the frame, can hang and establish and place different marks and carry out circuit breaker state display.

2. The utility model discloses set up spacing shell for fixed circuit breaker handle makes the unable activity of handle, improves the dimension and examines safety.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

1-left side plate, 2-upper connecting rod, 3-upper backup plate, 4-upper sliding barrel, 5-right side plate, 6-sign column, 8-middle sleeve, 10-upper outer shell, 11-elasticity spring, 12-limiting rod, 13-movable connecting rod, 14-limiting shell, 15-slideway, 17-lower sliding rod, 18-lower sliding barrel, 19-movable release block, 20-rotary key ring, 21-limiting rod lower chassis, 22-sliding block, 23-fixed connecting shell, 24-manual turntable, 25-worm gear, 26-worm

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

A multi-size plastic-shell circuit breaker overhaul anti-misoperation device comprises a left side plate 1, an upper connecting rod 2, a worm 26 and a lower sliding rod 17 which are integrated to form a left side movable part used for clamping the left side, wherein the upper backup plate 3 is fixed on an upper sleeve 4, the connecting rod 2 can easily move in the sleeve 4, a right side plate 5 is fixed on an upper shell 10, a sign fence is fixed on the front side of the upper shell 10, an upper sliding sleeve 4 and a middle sleeve 8 are fixed on the upper shell 10, a manual rotary disc 24 is fixed with a worm wheel 25, the worm 26 is driven to move left and right in the horizontal direction through the rotation motion of the manual rotary disc 24, the space size adjustment between the left side plate and the right side plate is realized, the left and right fastening of the plastic-shell circuit breakers with different width sizes is met, the plastic-shell circuit breaker anti-misoperation device can be stably and firmly fixed on the plastic-shell circuit breaker, the sign fence 6 is fixed on the front side of the upper shell 10 and used for placing marks in different states, the limiting shell 14 is connected with the middle sleeve 8 through a fixed connecting shell 23, the movable release block 19 is fixed with the rotary key ring 20 and fixed in the limiting shell 14 through a pin, the movable connecting rod 13 can move in a slide way of the limiting shell 14, the movable release block 19 is driven to move left and right through twisting the rotary key ring 20, the connecting rod 13 is fixed on the shell 14 through a spring 11 to perform return motion, the outer side of the slide way 15 is fixedly connected with the middle sleeve 8 and the lower slide barrel 18, the inner side of the slide way 15 is fixedly connected with the connecting rod 13 and the limiting rod 12, the limiting rod 12 is fixedly connected with the lower chassis 21, the sliding block 22 is used for fixing the tail end of the limiting rod, the limiting rod 12 is arranged on an inner side rod of the slide way 15, through the left and right motion of the connecting rod 13, the width size change of the slide way 15 can be realized, the sliding of the sliding block 22 is adjusted, after the limiting rod 12 reaches the designated position, the key ring 20 is twisted and rotated through a special key, the movable release block 19 is driven to move the connecting rod 13 outwards, the width of the slide way 15 is reduced, so that the sliding block 22 is clamped, the limiting rod is in a fixed state, the key ring 20 is twisted and rotated to drive the movable release block 19, the connecting rod 13 moves inwards through the acting force of the spring 11, the slide way 15 is loosened, and the limiting rod 12 can move up and down freely.

To sum up, the utility model discloses a technical scheme can avoid dc-to-ac converter to overhaul the during operation moulded case circuit breaker mistake combined floodgate problem, guarantee maintainer personal safety to solve moulded case circuit breaker and can't effectively hang the safety and mark the tablet problem. The power failure range of a single inverter during maintenance is reduced through the application of the anti-misoperation closing device, and the photoelectric loss caused by maintenance and abandonment is reduced.

Claims

1. The utility model provides a many sizes moulded case circuit breaker overhauls prevents maloperation equipment which characterized in that: including left side part and right side part, the left side part includes the left side board, from last to down sets gradually perpendicular upper connecting rod, worm, the lower slide bar on the left side board, the right side part includes the right side board, from last to down sets gradually perpendicular upper sliding barrel, middle part sleeve, the lower sliding barrel on the right side board, during upper connecting rod, worm, lower slide bar emboliaed upper sliding barrel, middle part sleeve, lower sliding barrel respectively, is provided with adjusting device between middle part sleeve and the worm, adjusting device includes manual turntable, the worm wheel that links to each other with manual turntable, worm wheel and worm cooperation.

2. The multi-sized molded case circuit breaker inspection misoperation prevention apparatus of claim 1, wherein: the right side plate is fixed on the upper shell, and a sign fence is arranged on the upper shell.

3. The multi-sized molded case circuit breaker inspection misoperation prevention apparatus of claim 1, wherein: the circuit breaker handle is characterized by further comprising a limiting shell, and the limiting shell is used for fixing the circuit breaker handle.

4. The multi-sized molded case circuit breaker inspection misoperation prevention apparatus of claim 3, wherein: the limiting shell comprises a limiting rod, a connecting rod lower chassis is arranged at two ends of the limiting rod respectively, the slide way is located between the connecting rod lower chassis and the limiting rod, the limiting rod is fixed on the slide way in a sliding mode, a sliding block is arranged on the connecting rod upper chassis, and the width of the slide way is adjustable.

5. The multi-sized molded case circuit breaker inspection misoperation prevention apparatus of claim 4, wherein: the slideway comprises two side vertical rods and two side movable connecting rods, the slideway is formed between the vertical rods and the movable connecting rods, and a width adjusting device is arranged between the two side movable connecting rods and used for adjusting the width between the two movable connecting rods so as to adjust the width of the slideway.

6. The multi-sized molded case circuit breaker inspection misoperation prevention apparatus of claim 5, wherein: the width adjusting device comprises a movable release block positioned between two movable connecting rods, and the movable release block is connected with the two movable connecting rods through elastic springs respectively.

7. The multi-sized molded case circuit breaker inspection misoperation prevention apparatus of claim 6, wherein: the movable release block is fixed together with the rotary key ring and fixed in the limiting shell through a pin.