CN222620501U - Large-sized breaker quick replacement device for low-voltage distribution system - Google Patents

Abstract

A large circuit breaker quick replacement device for a low-voltage power distribution system is provided. Rolling and translation devices for rolling and supporting the circuit breaker are installed on both sides of the upper plane of the lifting trolley, and the angle adjustment device installed at the front end of the middle of the upper plane of the lifting trolley is located between the two groups of rolling and translation devices. When the height of the lifting trolley is adjusted to be level with the circuit breaker, the circuit breaker to be pulled out is located in the front half of the rolling and translation device, and the adjustment of the inclination angle of the circuit breaker is achieved by lifting and rotating the angle adjustment device. The circuit breaker is translated onto the rolling and translation device, and the circuit breaker of the lifting trolley is moved out of the low-voltage power distribution cabinet by the push rod at the rear end of the lifting trolley. The utility model solves the problem of unsafe hidden dangers in the process of circuit breaker extraction and transportation in the manual replacement method, reduces the labor intensity of circuit breaker replacement, eliminates the risk of improper operation by personnel, improves work efficiency, reduces the power outage time for maintenance and repair of circuit breakers, and improves power supply reliability.

Description

Large-sized breaker quick replacement device for low-voltage distribution system

Technical Field

The utility model belongs to the technical field of component replacement auxiliary tools, and particularly relates to a rapid replacement device for a large-sized circuit breaker in a low-voltage distribution system.

Background

Along with the national energy-saving and environment-friendly requirements, particularly after the coal is changed into electricity, the electricity load of each production enterprise is rapidly increased, and the low-voltage circuit breaker matched with large-scale electric equipment is continuously subjected to capacity expansion transformation in an enterprise power distribution system. Therefore, the use data of large low-voltage circuit breakers in low-voltage power distribution cabinets is also significantly increased. Based on the characteristics of large size and heavy weight of the circuit breaker, great inconvenience is brought to distribution technicians for replacing the large-sized circuit breaker. Traditional change short-circuiting device mode is taken out the circuit breaker by 2~3 people from the switch board generally, and transport to maintenance platform through the manpower, and this kind of mode is not only wasted time and energy, still has certain potential safety hazard, especially in taking out and handling, both has personnel's risk of electrocuting, still has the hidden danger that handling personnel smash, and work efficiency is low simultaneously, can increase the power failure duration in the maintenance process, consequently, to above-mentioned problem, need improve.

Disclosure of utility model

The utility model solves the technical problems of providing a quick replacement device for a large-sized breaker in a low-voltage distribution system, providing a rolling support and moving structure with adjustable height and angle for the breaker by arranging a rolling translation device and an angle adjusting device on a lifting trolley, solving the problem that the manual replacement mode has unsafe hidden danger in the process of withdrawing and carrying the breaker, reducing the labor intensity of replacing the breaker, avoiding the hidden danger of misoperation of personnel, improving the working efficiency, shortening the time for replacing the breaker, reducing the power failure time for maintaining and maintaining the breaker, improving the power supply reliability, and being used for replacing the low-voltage breaker of distribution and independently serving as a translation and upgrading device in the replacing process of other large-sized equipment.

The technical scheme includes that the quick replacement device for the large-sized circuit breaker in the low-voltage power distribution system comprises a lifting trolley, rolling translation devices for rolling and supporting the circuit breaker are arranged on two sides of the upper plane of the lifting trolley, an angle adjusting device arranged at the front end of the middle of the upper plane of the lifting trolley is arranged between the two groups of rolling translation devices, the lifting trolley is adjusted to be at the same level with the circuit breaker, the drawn circuit breaker is arranged at the front half section of the rolling translation device, the inclination angle of the circuit breaker is adjusted through lifting and rotation of the angle adjusting device, the circuit breaker is translated to the rolling translation devices, and the circuit breaker of the lifting trolley is moved out of a low-voltage power distribution cabinet through a push rod at the rear end of the lifting trolley.

The rolling translation device comprises two groups of fluent strip roller slide rails which are arranged in parallel, the fluent strip roller slide rails are fixed on the upper plane of the lifting trolley through bolts, the front end of the upper plane of the lifting trolley is fixed with an L-shaped front baffle, the horizontal plane of which is positioned at the bottom of the front end of the fluent strip roller slide rails, and two long side sides of the upper plane of the lifting trolley are both fixed with L-shaped side baffles positioned at the outer sides of the fluent strip roller slide rails at corresponding positions.

Further, the angle adjusting device comprises a worm wheel screw rod lifter, the worm wheel screw rod lifter is arranged at the front end of the middle of the upper plane of the lifting trolley, a screw rod of the worm wheel screw rod lifter penetrates through the upper plane of the lifting trolley, a screw rod which is connected with the worm wheel screw rod lifter in an adaptive manner is rotatably arranged on the front side wall of the lifting trolley, a hand wheel is fixed at the outer end of the screw rod, and lifting and rotation control of a lifting flange at the upper end of the worm wheel screw rod lifter are realized through rotating the hand wheel.

Further, the lifting trolley adopts a manual hydraulic platform trolley.

Compared with the prior art, the utility model has the advantages that:

1. According to the technical scheme, the rolling translation device and the angle adjusting device are arranged on the lifting trolley, so that a rolling support and moving structure with adjustable height and angle is provided for the circuit breaker, the problem that unsafe hidden danger exists in the process of withdrawing and carrying the circuit breaker in a manual replacement mode is solved, the labor intensity of replacing the circuit breaker is reduced, and the risk hidden danger existing in improper operation of personnel is avoided;

2. According to the technical scheme, the working efficiency is improved, the time for replacing the circuit breaker is shortened, the power failure time for maintaining and repairing the circuit breaker is reduced, and the power supply reliability is improved;

3. the technical scheme has the advantages of simple structure, novel design and convenient and flexible use, is not only used for replacing the distribution low-voltage circuit breaker, but also can be independently used for translation and upgrading in the replacement process of other large-scale equipment.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a front view of the structure of the parts of the utility model mounted on the upper plane of the lifting trolley;

fig. 3 is a bottom view of the structure of the parts of the utility model mounted on the upper plane of the lifting trolley.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described in the following with reference to fig. 1 to 3 in the embodiments of the present utility model, and it is obvious that the described embodiments 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.

It should be noted that, unless otherwise stated herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more in the limited case. The inclusion of an element as defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

The quick replacement device for the large-sized circuit breaker in the low-voltage distribution system comprises a lifting trolley 1, wherein rolling translation devices for rolling and supporting the circuit breaker are arranged on two sides of the upper plane of the lifting trolley 1, an angle adjusting device arranged at the front end of the middle part of the upper plane of the lifting trolley 1 is positioned between the two groups of rolling translation devices, the height of the lifting trolley 1 is adjusted to be in a level with that of the circuit breaker, the withdrawn circuit breaker is positioned at the front half section of the rolling translation devices, the inclination angle of the circuit breaker is adjusted through the lifting and rotating of the angle adjusting device, the circuit breaker is translated to the rolling translation devices, and the circuit breaker of the lifting trolley 1 is moved out of a low-voltage distribution cabinet through a push rod 2 at the rear end of the lifting trolley 1;

The rolling translation device comprises two groups of fluent strip roller slide rails 3 which are arranged in parallel, the fluent strip roller slide rails 3 are fixed on the upper plane of the lifting trolley 1 through bolts, the front end of the upper plane of the lifting trolley 1 is fixedly provided with an L-shaped front baffle 4, the horizontal plane of which is positioned at the bottom of the front end of the fluent strip roller slide rails 3, two long side sides of the upper plane of the lifting trolley 1 are respectively fixedly provided with an L-shaped side baffle 5,L and an L-shaped front baffle 4, which are positioned at the outer sides of the fluent strip roller slide rails 3 at corresponding positions, and the setting of the L-shaped side baffle 5 and the L-shaped front baffle 4 plays a role in limiting and protecting the fluent strip roller slide rails in the dismounting process of a circuit breaker, so that the safety and the reliability are improved.

The angle adjusting device comprises a worm wheel and screw rod lifter 6, wherein the worm wheel and screw rod lifter 6 is arranged at the front end of the middle of the upper plane of the lifting trolley 1, a screw rod of the worm wheel and screw rod lifter 6 penetrates through the upper plane of the lifting trolley 1, a screw rod which is connected with the worm wheel and screw rod lifter 6 in an adaptive manner is rotatably arranged on the front side wall of the lifting trolley 1, a hand wheel 7 is fixed at the outer end of the screw rod, and lifting and rotation control of a lifting flange at the upper end of the worm wheel and screw rod lifter 6 are realized through rotating the hand wheel 7.

Wherein, the lifting trolley 1 adopts a manual hydraulic platform trolley.

When the device is used for drawing out, the upper platform of the lifting trolley 1 is lifted to the position flush with the low-voltage circuit breaker, the circuit breaker is pulled out to the platform, the angle of the circuit breaker is adjusted by shaking the hand wheel, the buckle between the circuit breaker and the cabinet body slideway is unlocked, the circuit breaker is drawn out again under the rolling support of the fluent strip roller slideway 3, the inclination angle of the circuit breaker is restored, the circuit breaker is translated to the lifting trolley 1 finally, the circuit breaker is thoroughly separated from the low-voltage power distribution cabinet body, and when the device is used for installing the circuit breaker, the steps are opposite to drawing out.

The technical scheme has the advantages of simple structure, novel design and convenient and flexible use, is not only used for replacing the distribution low-voltage circuit breaker, but also can be independently used for translation and upgrading in the replacement process of other large-scale equipment.

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 (4)

1. The quick replacement device for the large-sized circuit breaker in the low-voltage distribution system is characterized by comprising a lifting trolley (1), wherein rolling translation devices for rolling and supporting the circuit breaker are arranged on two sides of the upper plane of the lifting trolley (1), an angle adjusting device arranged at the front end of the middle part of the upper plane of the lifting trolley (1) is positioned between the two groups of rolling translation devices, the height of the lifting trolley (1) is adjusted to be level with the circuit breaker, the drawn circuit breaker is positioned at the front half section of the rolling translation device, the inclination angle of the circuit breaker is adjusted through the lifting and rotation of the angle adjusting device, the circuit breaker is translated to the rolling translation device, and the circuit breaker of the lifting trolley (1) is moved out of the low-voltage distribution cabinet through a push rod (2) at the rear end of the lifting trolley (1).

2. The quick replacement device for the large circuit breaker in the low-voltage distribution system according to claim 1, wherein the rolling translation device comprises two groups of parallel fluent strip roller slide rails (3), the fluent strip roller slide rails (3) are fixed on the upper plane of the lifting trolley (1) through bolts, the front end of the upper plane of the lifting trolley (1) is fixedly provided with an L-shaped front baffle (4) of which the horizontal plane is positioned at the bottom of the front end of the fluent strip roller slide rails (3), and two long side sides of the upper plane of the lifting trolley (1) are respectively fixedly provided with an L-shaped side baffle (5) positioned at the outer side of the fluent strip roller slide rails (3) at corresponding positions.

3. The quick replacement device for the large circuit breaker in the low-voltage distribution system according to claim 1, wherein the angle adjusting device comprises a worm wheel screw rod lifter (6), the worm wheel screw rod lifter (6) is arranged at the front end of the middle of the upper plane of the lifting trolley (1), a screw rod of the worm wheel screw rod lifter (6) penetrates through the upper plane of the lifting trolley (1), a screw rod which is connected with the worm wheel screw rod lifter (6) in an adaptive manner is rotatably arranged on the front side wall of the lifting trolley (1), a hand wheel (7) is fixed at the outer end of the screw rod, and lifting and rotating control of a lifting flange at the upper end of the worm wheel screw rod lifter (6) are realized through rotating the hand wheel (7).

4. The quick-change device for large-sized circuit breakers in low-voltage distribution systems according to claim 1, 2 or 3, wherein the lifting trolley (1) is a manual hydraulic platform trolley.