CN216161639U

CN216161639U - Indoor vacuum circuit breaker convenient to maintenance installation

Info

Publication number: CN216161639U
Application number: CN202121386559.4U
Authority: CN
Inventors: 熊颖平; 叶志伟; 李涛; 艾卫华
Original assignee: Jiangxi Mingzheng Intelligent Electrical Co ltd
Current assignee: Jiangxi Mingzheng Intelligent Electrical Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-04-01
Anticipated expiration: 2031-06-22

Abstract

The utility model relates to the technical field of indoor vacuum circuit breakers, in particular to an indoor vacuum circuit breaker convenient to maintain and install, which comprises a vacuum circuit breaker body, wherein a handle is fixedly installed at one side of the vacuum circuit breaker body; according to the utility model, the vacuum circuit breaker is convenient to maintain and install through the arranged rotating mechanism and the installation mechanism, firstly, the installation base is installed to a proper position, and then the universal wheel is aligned to the wheel rail and completely slides in; at this moment, first expanding spring receives the effort through first rack to the mounting groove internal withdrawal, because of first rack and second rack tilt direction are opposite, both then the meshing is installed and is fixed completely, need assist the problem that equipment could go on when having solved the installation, the agility when having improved the installation.

Description

Indoor vacuum circuit breaker convenient to maintenance installation

Technical Field

The utility model relates to the technical field of indoor vacuum circuit breakers, in particular to an indoor vacuum circuit breaker convenient to maintain and install.

Background

The vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are high vacuum, and has the advantages of small volume, light weight, frequent operation and no maintenance for arc extinguishing, and is relatively popularized in a power distribution network, the vacuum circuit breaker is an indoor power distribution device in a three-phase alternating current system of 3-10 kV and 50Hz, and can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, and is particularly suitable for use places requiring no oil, less maintenance and frequent operation, and the circuit breaker can be arranged in a middle cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment.

However, the existing indoor vacuum circuit breaker is inconvenient to install and maintain, needs to be assisted by equipment during installation due to the large volume of the indoor vacuum circuit breaker, brings great inconvenience in installation, and in addition, the vacuum circuit breaker needs to be disassembled to be maintained in maintenance, so that time and labor are wasted, and a large amount of time is wasted in disassembly.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

Aiming at the defects in the prior art, the utility model provides the indoor vacuum circuit breaker convenient to maintain and install, and solves the problems that the maintenance can be carried out only by assistance of equipment during installation, great inconvenience is brought to the installation aspect, and the maintenance can be carried out only by detaching the vacuum circuit breaker in the maintenance aspect, so that time and labor are wasted, and a large amount of time is wasted in the detachment aspect.

Technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides an indoor vacuum circuit breaker convenient to maintenance installation, includes the vacuum circuit breaker body, one side fixed mounting of vacuum circuit breaker body has the handle, the inside of vacuum circuit breaker body one side is provided with the bolt, the bottom of vacuum circuit breaker body is provided with rotary mechanism, rotary mechanism's bottom is provided with installation mechanism.

Furthermore, rotary mechanism includes the chassis, the slot has been seted up at the top on chassis, the top on chassis is rotated and is installed the rotating shaft post, the outside fixed mounting of rotating shaft post has the bracing piece, the spout has been seted up at the top on chassis, the inside slidable mounting of spout has the sliding block, the top of sliding block is rotated through the axostylus axostyle and is installed the assistance pole, the mounting groove has all been seted up to the both sides on chassis, the inner chamber fixed mounting of mounting groove has four first expanding spring, the one end fixed mounting that mounting groove was kept away from to first expanding spring has first helical rack, the bottom fixed mounting on chassis has four universal wheels, and the universal wheel is the rectangle symmetry, has solved vacuum circuit breaker when the maintenance side, need dismantle it down just can the problem of maintaining.

Furthermore, the installation mechanism comprises an installation base, two wheel rails are arranged inside the installation base, built-in grooves are formed in the opposite sides of the installation base, a second helical rack is installed in the inner cavity of each built-in groove in a rotating mode through a shaft rod, a telescopic rod is fixedly connected to one end of each second helical rack, a second telescopic spring is sleeved on the outer side of each telescopic rod, a regulating valve is fixedly connected to one end, far away from each second helical rack, of each telescopic rod, a clamping block is fixedly installed on the outer side of each regulating valve, and convex cavities are formed in the opposite sides of the installation base.

Furthermore, the one end that the rotatory shaft post was kept away from to the bracing piece passes through the axostylus axostyle rotation and installs the bottom at the vacuum circuit breaker body, the one end that the sliding block was kept away from to the help pole passes through the axostylus axostyle and rotates the intermediate part of installation bracing piece, helps the pole to share gravity for the bracing piece, reduces the bracing piece and bears the weight.

Furthermore, the specification of the convex cavity is matched with the specification and the size of the fixture block, the fixture block is clamped on the inner side of the convex cavity, one end, close to the mounting base, of the adjusting valve penetrates through the mounting base and extends to the inner side of the convex cavity, and the convex cavity, the fixture block and the adjusting valve can be conveniently detached from the vacuum circuit breaker body.

Furthermore, the specification of the slot is matched with the specification and the size of the bolt, the bolt is inserted into the slot, the specification of the first helical rack is matched with the specification and the size of the second helical rack, the first helical rack and the second helical rack are meshed with each other, so that the vacuum circuit breaker body can be fixed on the rotating mechanism, and the stability between the rotating mechanism and the mounting mechanism can be ensured due to the fact that the first helical rack and the second helical rack are meshed with each other.

Advantageous effects

Compared with the known public technology, the technical scheme provided by the utility model has the following beneficial effects:

according to the utility model, the vacuum circuit breaker is convenient to maintain and install through the arranged rotating mechanism and the installation mechanism, firstly, the installation base is installed to a proper position, and then the universal wheel is aligned to the wheel rail and completely slides in; at the moment, the first telescopic spring is acted by force through the first helical rack and retracts into the mounting groove, and the first helical rack and the second helical rack are completely meshed for mounting and fixing due to the fact that the first helical rack and the second helical rack are opposite in inclination direction, so that the problem that equipment needs to be assisted for mounting is solved, and mounting rapidness is improved; in addition, the rotating shaft column, the supporting rod and the assisting rod in the rotating mechanism are matched with each other, so that the vacuum circuit breaker body can be directly rotated by ninety degrees by taking the rotating shaft column as the center, the problem that the vacuum circuit breaker can be maintained only by disassembling the vacuum circuit breaker in the maintenance aspect is solved, and the working efficiency in maintenance is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the utility model, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic perspective view of a vacuum circuit breaker according to the present invention;

FIG. 2 is a schematic perspective view of a rotary mechanism according to the present invention;

FIG. 3 is a schematic perspective view of the mounting mechanism of the present invention;

FIG. 4 is a schematic view of a three-dimensional partial anatomical structure of the mounting mechanism of the present invention;

the reference numerals in the drawings denote: 1. a vacuum circuit breaker body; 2. a handle; 3. a bolt; 4. A rotation mechanism; 401. a chassis; 402. a slot; 403. rotating the shaft column; 404. a chute; 405. a support bar; 406. a slider; 407. an assisting lever; 408. a universal wheel; 409. a first helical rack; 410. mounting grooves; 411. a first extension spring; 5. an installation mechanism; 501. installing a base; 502. a built-in groove; 503. a second helical rack; 504. a wheel rail; 505. adjusting a valve; 506. A telescopic rod; 507. a second extension spring; 508. a lug cavity; 509. and (7) clamping blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Examples

The indoor vacuum circuit breaker convenient to maintain and install of this embodiment is shown in fig. 1, and includes a vacuum circuit breaker body 1, a handle 2 is fixedly installed on one side of the vacuum circuit breaker body 1, a plug pin 3 is arranged in the inside of one side of the vacuum circuit breaker body 1, a rotating mechanism 4 is arranged at the bottom of the vacuum circuit breaker body 1, and an installation mechanism 5 is arranged at the bottom of the rotating mechanism 4.

When the vacuum circuit breaker body 1 is to be repaired, the plug pin 3 is first taken out from the insertion groove 402, the vacuum circuit breaker body 1 is rotated ninety degrees around the rotating shaft column 403 by the handle 2, the support rod 405 is rotated ninety degrees along with the vacuum circuit breaker body 1 at this time, the assist rod 407 is rotatably disposed in the middle of the support rod 405, the slide block 406 is moved to the outside in the slide groove 404, and the assist rod 407 assists the support rod 405 to rotate and support the vacuum circuit breaker body 1 in cooperation with the rotating shaft column 403, and shares gravity for the same.

As shown in fig. 2, the rotating mechanism 4 includes a chassis 401, a slot 402 is formed at the top of the chassis 401, a rotating shaft column 403 is rotatably installed at the top of the chassis 401, a support rod 405 is fixedly installed at the outer side of the rotating shaft column 403, a sliding groove 404 is formed at the top of the chassis 401, a sliding block 406 is slidably installed inside the sliding groove 404, an assisting rod 407 is rotatably installed at the top of the sliding block 406 through a shaft rod, mounting grooves 410 are respectively formed at two sides of the chassis 401, four first expansion springs 411 are fixedly installed in inner cavities of the mounting grooves 410, a first helical rack 409 is fixedly installed at one end of the first expansion spring 411 far away from the mounting grooves 410, four universal wheels 408 are fixedly installed at the bottom of the chassis 401, the universal wheel 408 is rectangular and symmetrical, one end of the support rod 405 far away from the rotating shaft column 403 is rotatably mounted at the bottom of the vacuum circuit breaker body 1 through a shaft rod, and one end of the assisting rod 407 far away from the sliding block 406 is rotatably mounted at the middle part of the support rod 405 through the shaft rod.

When the vacuum circuit breaker body 1 needs to be rotated for maintenance, the vacuum circuit breaker body 1 can be directly rotated ninety degrees around the rotating shaft column 403; at this time, the assisting rod 407 is rotatably disposed at the middle portion of the supporting rod 405, the sliding block 406 moves inside and outside the sliding slot 404, and the assisting rod 407 assists the supporting rod 405 to rotate and support the vacuum circuit breaker body 1 in cooperation with the rotating shaft 403, and shares gravity for the supporting rod, thereby solving the problem that the vacuum circuit breaker needs to be disassembled for maintenance in maintenance.

As shown in fig. 3-4, the mounting mechanism 5 includes a mounting base 501, two wheel rails 504 are disposed inside the mounting base 501, the opposite sides of the mounting base 501 are both provided with an internal groove 502, an inner cavity of the internal groove 502 is rotatably provided with a second helical rack 503 through a shaft rod, one end of the second helical rack 503 is fixedly connected with a telescopic rod 506, the outer side of the telescopic rod 506 is sleeved with a second extension spring 507, one end of the telescopic rod 506 far away from the second helical rack 503 is fixedly connected with an adjusting valve 505, the outer side of the adjusting valve 505 is fixedly provided with a fixture 509, the opposite sides of the mounting base 501 are both provided with a convex cavity 508, the specification of the convex cavity 508 is adapted to the specification of the fixture 509, the fixture 509 is clamped inside the convex cavity 508, one end of the adjusting valve 505 near the mounting base 501 passes through the mounting base 501 and extends to the inner side of the convex cavity 508, the specification of the slot 402 is adapted to the specification of the plug 3, and the plug pin 3 is inserted into the slot 402, the specification of the first helical rack 409 is matched with the specification and the size of the second helical rack 503, and the first helical rack 409 and the second helical rack 503 are meshed with each other.

When the vacuum circuit breaker body 1 is installed, first, the installation base 501 is installed to a proper position, and then the universal wheel 408 is aligned with the wheel rail 504 and completely slid in; at this time, the first extension spring 411 is acted by the first helical rack 409 to retract into the mounting groove 410, and the first helical rack 409 and the second helical rack 503 are completely meshed for mounting and fixing due to opposite inclination directions of the first helical rack 409 and the second helical rack 503; if the vacuum circuit breaker body 1 is detached from the mounting base 501, the regulating valve 505 is pressed; at the moment, the telescopic rod 506 retracts, the clamping block 509 is positioned in the lower end cavity of the convex cavity 508, and the regulating valve 505 is rotated clockwise by ninety degrees; at this time, the second helical rack 503 rotates ninety degrees and is arranged in the built-in groove 502, the first helical rack 409 is separated from the second helical rack 503, the vacuum circuit breaker body 1 can be directly dismounted from the mounting mechanism 5, the problem that the equipment needs to be assisted during mounting is solved, and the mounting and dismounting rapidity is improved.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. An indoor vacuum circuit breaker convenient to maintenance installation, includes vacuum circuit breaker body (1), its characterized in that: one side fixed mounting of vacuum circuit breaker body (1) has handle (2), the inside of vacuum circuit breaker body (1) one side is provided with bolt (3), the bottom of vacuum circuit breaker body (1) is provided with rotary mechanism (4), the bottom of rotary mechanism (4) is provided with installation mechanism (5).

2. An indoor vacuum circuit breaker convenient for maintenance and installation according to claim 1, wherein the rotating mechanism (4) comprises a chassis (401), the top of the chassis (401) is provided with a slot (402), the top of the chassis (401) is rotatably provided with a rotating shaft column (403), the outer side of the rotating shaft column (403) is fixedly provided with a support rod (405), the top of the chassis (401) is provided with a sliding slot (404), the inside of the sliding slot (404) is slidably provided with a sliding block (406), the top of the sliding block (406) is rotatably provided with an assisting rod (407) through a shaft rod, both sides of the chassis (401) are provided with mounting slots (410), the inner cavity of each mounting slot (410) is fixedly provided with four first expansion springs (411), one end of each first expansion spring (411) far away from the mounting slot (410) is fixedly provided with a first bevel rack (409), four universal wheels (408) are fixedly mounted at the bottom of the chassis (401), and the universal wheels (408) are rectangular and symmetrical.

3. An indoor vacuum interrupter for facilitating maintenance installation according to claim 2, the mounting mechanism (5) comprises a mounting base (501), two wheel rails (504) are arranged in the mounting base (501), the opposite sides of the mounting base (501) are both provided with built-in grooves (502), the inner cavity of the built-in grooves (502) is rotatably provided with second helical racks (503) through a shaft rod, one end of the second helical rack (503) is fixedly connected with a telescopic rod (506), a second extension spring (507) is sleeved on the outer side of the extension rod (506), one end of the extension rod (506) far away from the second helical rack (503) is fixedly connected with an adjusting valve (505), a clamping block (509) is fixedly mounted on the outer side of the adjusting valve (505), and convex cavities (508) are formed in the opposite sides of the mounting base (501).

4. An indoor vacuum circuit breaker facilitating maintenance installation according to claim 2, characterized in that the end of the support bar (405) remote from the rotating shaft column (403) is pivotally mounted at the bottom of the vacuum circuit breaker body (1) by means of a shaft, and the end of the assisting bar (407) remote from the sliding block (406) is pivotally mounted at the middle part of the support bar (405) by means of a shaft.

5. An indoor vacuum circuit breaker convenient for maintenance installation according to claim 3, characterized in that the size of the convex cavity (508) is matched with the size of the fixture block (509), the fixture block (509) is clamped at the inner side of the convex cavity (508), and one end of the regulating valve (505) close to the mounting base (501) penetrates through the mounting base (501) and extends to the inner side of the convex cavity (508).

6. An indoor vacuum interrupter for facilitating maintenance installation according to claim 3, c h a r a c t e r i z e d in that the specification of the slot (402) is adapted to the specification of the latch (3) and the latch (3) is inserted inside the slot (402), the specification of the first helical rack (409) is adapted to the specification of the second helical rack (503), and the first helical rack (409) and the second helical rack (503) are engaged with each other.