CN216121297U

CN216121297U - High-voltage middle-mounted switch cabinet with grounding interlocking device

Info

Publication number: CN216121297U
Application number: CN202121999241.3U
Authority: CN
Inventors: 张梓康; 周兴锋
Original assignee: Dingsheng Group Co ltd
Current assignee: Dingsheng Group Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-22
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a high-voltage central switch cabinet with a grounding interlocking device, which comprises a high-voltage central switch cabinet body, wherein a rectangular ventilation hole is formed in the front surface of the high-voltage central switch cabinet body, L-shaped grooves are symmetrically formed in the inner side of the rectangular ventilation hole, a dust screen is arranged in the rectangular ventilation hole, fixing plates are fixedly arranged on two sides of the dust screen, an installation groove is formed in one side of each fixing plate, a spring is fixedly arranged on the upper surface of an inner cavity of the installation groove, and a limiting piece clamped with the L-shaped groove is fixedly connected to the lower end of the spring. According to the utility model, the dustproof net is arranged in the rectangular ventilation hole, the limiting piece is moved upwards to compress the spring, and the limiting piece is taken out of the L-shaped groove forwards, so that the dustproof net is conveniently detached from the inside of the rectangular ventilation hole, the cleaning is convenient, and the problems that dust easily enters the inside of the existing middle-mounted switch cabinet from the heat dissipation hole to cause pollution and the service life is influenced when the existing middle-mounted switch cabinet is used are solved.

Description

High-voltage middle-mounted switch cabinet with grounding interlocking device

Technical Field

The utility model belongs to the technical field of power distribution cabinets, and particularly relates to a high-voltage middle-mounted switch cabinet with a grounding interlocking device.

Background

The centrally-mounted switch cabinet is called a metal armored centrally-mounted withdrawable switch device. The indoor complete set of distribution equipment belongs to a high-voltage distribution equipment, the highest working voltage of which is 3.6/7.2/12kV, and is a three-phase alternating-current 50Hz single-bus segmented system or double-bus segmented system. The device is used for receiving and distributing network power of 3.6-12kV, and carrying out control protection, monitoring and measurement on a power circuit. The central switch cabinet is mainly used for power plant, power transmission of small and medium-sized generators, power receiving and power transmission of secondary substation of power system, power distribution of industrial and mining enterprises and institutions, starting of large-scale high-voltage motors and the like.

When the existing middle-mounted switch cabinet is used, dust easily enters the interior of the switch cabinet from the heat dissipation holes to cause pollution, and the service life of the switch cabinet is influenced; moreover, the traditional middle-mounted switch cabinet is not provided with a supporting wheel at the bottom in order to ensure stable placement, so that the problem of inconvenient movement is caused. To this end, a high-voltage central switch cabinet with a ground interlocking device is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-voltage middle-mounted switch cabinet with a grounding interlocking device, which aims to solve the problem that when the existing middle-mounted switch cabinet is used, dust is easy to enter the interior of the switch cabinet from a heat dissipation hole to cause pollution and influence the service life; moreover, the traditional middle-mounted switch cabinet is not provided with a supporting wheel at the bottom in order to ensure stable placement, so that the problem of inconvenient movement is caused.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a put formula cubical switchboard in high pressure with ground connection interlocking device, includes put formula cubical switchboard body in the high pressure, the rectangle ventilation hole has been seted up to the front surface of putting formula cubical switchboard body in the high pressure, L type groove has been seted up to the inboard symmetry in rectangle ventilation hole, just the inside in rectangle ventilation hole is provided with the dust screen, the equal fixed mounting in both sides of dust screen has the fixed plate, the mounting groove has been seted up to one side of fixed plate, fixed surface installs the spring on the inner chamber of mounting groove, the lower extreme fixedly connected with of spring and the locating part of L type groove block.

Preferably, the limiting part is of an L-shaped structure, and a grounding interlocking device main body is fixedly installed inside the high-voltage middle-mounted switch cabinet body.

Preferably, the thickness of the dust screen is smaller than the thickness of the fixing plate, and the rectangular vent hole is of a convex structure.

Preferably, the two sides of the high-voltage central switch cabinet body are fixedly provided with a shell, and one side of the shell, which is far away from the high-voltage central switch cabinet body, is of an arc structure.

Preferably, the inner chamber upper surface of casing symmetry fixed mounting has the motor, every the equal fixedly connected with lead screw of output shaft of motor, two the common spiro union in the outside of lead screw has the fly leaf, the even fixed mounting of lower surface of fly leaf has four connecting rods, four the common fixedly connected with backup pad of lower extreme of connecting rod, the even fixed mounting of lower surface of backup pad has four thrust wheels.

Preferably, the gear is sleeved on the outer side of the screw rod, four electric telescopic rods are uniformly and fixedly mounted on the upper surface of the supporting plate, and the output ends of the left electric telescopic rod and the right electric telescopic rod which correspond to each other are fixedly connected with a toothed ring meshed with the gear.

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

1. according to the utility model, the dustproof net is arranged in the rectangular ventilation hole, the limiting piece is moved upwards to compress the spring, and the limiting piece is taken out of the L-shaped groove forwards, so that the dustproof net is conveniently detached from the inside of the rectangular ventilation hole, the cleaning is convenient, and the problems that dust easily enters the inside of the existing middle-mounted switch cabinet from the heat dissipation hole to cause pollution and the service life is influenced when the existing middle-mounted switch cabinet is used are solved.

2. According to the utility model, the motor is started to drive the screw rod connected with the output shaft of the motor to rotate, so that the outer movable plate drives the support plate connected through the connecting rod to move downwards, the supporting wheel supports the high-voltage central switch cabinet body, the movement is convenient, and the electric telescopic rod is started to drive the gear ring connected with the output end of the electric telescopic rod to be clamped and fixed on the outer side of the gear, so that the screw rod is prevented from rotating automatically, the back-off of the movable plate is avoided, and the stability of supporting the high-voltage central switch cabinet body is ensured.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged view of part A of the present invention;

FIG. 4 is a cross-sectional view of the housing of the present invention;

in the figure: 1. a high-voltage mid-mounted switchgear body; 2. a dust screen; 3. a rectangular vent hole; 4. a housing; 5. a fixing plate; 6. a ground interlock device body; 7. a support plate; 8. an L-shaped groove; 9. mounting grooves; 10. a spring; 11. a limiting member; 12. an electric telescopic rod; 13. a motor; 14. a toothed ring; 15. a movable plate; 16. a gear; 17. a thrust wheel; 18. a screw rod; 19. a connecting rod.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a high-voltage middle-mounted switch cabinet with a grounding interlocking device comprises a high-voltage middle-mounted switch cabinet body 1, wherein a rectangular ventilation hole 3 is formed in the front surface of the high-voltage middle-mounted switch cabinet body 1, L-shaped grooves 8 are symmetrically formed in the inner sides of the rectangular ventilation holes 3, a dust screen 2 is arranged inside the rectangular ventilation hole 3, fixed plates 5 are fixedly mounted on two sides of the dust screen 2, a mounting groove 9 is formed in one side of each fixed plate 5, a spring 10 is fixedly mounted on the upper surface of an inner cavity of the mounting groove 9, a limiting part 11 clamped with the L-shaped groove 8 is fixedly connected to the lower end of the spring 10, the dust screen 2 is arranged inside the rectangular ventilation hole 3, the spring 10 is compressed by moving the limiting part 11 upwards, and meanwhile, the limiting part 11 is taken out of the L-shaped groove 8 forwards, so that the dust screen 2 can be conveniently detached from the inside of the rectangular ventilation hole 3 and is convenient to clean, the problem of current built-in cubical switchboard when using, the dust easily enters into inside from the louvre and causes the pollution, influences life is solved.

The dust screen 2 is also called as a wind-proof dust suppression screen and a wind-blocking wall, and is an environmental protection project for controlling the dust pollution in the open-air stock yard. The method is widely applied to bulk material ports, fuel storage yards of thermal power plants, raw material fuel storage yards of iron and steel enterprises, raw material fuel storage yards of chemical enterprises, coal discharging storage yards of coal mines and the like.

Further, referring to fig. 2, the limiting member 11 is an L-shaped structure, and the grounding interlocking device main body 6 is fixedly installed inside the high-voltage middle-mounted switch cabinet body 1, and is used for protecting normal and safe operation of the power consumption equipment on the power grid.

Further, referring to fig. 1-2, the thickness of the dust screen 2 is smaller than that of the fixing plate 5, and the rectangular ventilation hole 3 is in a convex structure, so that the dust screen 2 is prevented from entering the interior of the high-voltage middle-mounted switch cabinet body 1.

Further, referring to fig. 1, a housing 4 is fixedly mounted on both sides of the high-voltage central-type switch cabinet body 1, and one side of the housing 4 away from the high-voltage central-type switch cabinet body 1 is of an arc-shaped structure.

Further, referring to fig. 4, the motors 13 are symmetrically and fixedly mounted on the upper surface of the inner cavity of the housing 4, the output shaft of each motor 13 is fixedly connected with a screw rod 18, the outer sides of the two screw rods 18 are jointly screwed with a movable plate 15, four connecting rods 19 are evenly and fixedly mounted on the lower surface of the movable plate 15, the lower ends of the four connecting rods 19 are jointly and fixedly connected with a supporting plate 7, and four supporting wheels 17 are evenly and fixedly mounted on the lower surface of the supporting plate 7, so that the high-voltage central switch cabinet body 1 is convenient to move.

Further, referring to fig. 4, a gear 16 is sleeved on the outer side of the screw rod 18, four electric telescopic rods 12 are uniformly and fixedly mounted on the upper surface of the supporting plate 7, and the output ends of the two electric telescopic rods 12 corresponding to the left and right are fixedly connected with a toothed ring 14 engaged with the gear 16, so that the screw rod 18 is prevented from rotating, the movable plate 15 is prevented from withdrawing, and the supporting stability is improved.

The working principle and the using process of the utility model are as follows:

when the high-voltage middle-mounted switch cabinet is used, the grounding interlocking device main body 6 in the high-voltage middle-mounted switch cabinet body 1 can be used for protecting normal and safe operation of electric equipment on a power grid. When the high-voltage middle-mounted switch cabinet body 1 is moved, firstly, the motor 13 is started to drive the screw rod 18 connected with the output shaft of the motor to rotate, the movable plate 15 on the outer side drives the support plate 7 connected through the connecting rod 19 to move downwards, so that the supporting wheel 17 supports the high-voltage middle-mounted switch cabinet body 1, then, the electric telescopic rod 12 is started to drive the toothed ring 14 connected with the output end of the electric telescopic rod to be clamped and fixed on the outer side of the gear 16, and therefore the screw rod 18 is prevented from rotating, and the supporting stability is improved. When the dust screen 2 needs to be detached, the limiting piece 11 is moved upwards to compress the spring 10, and then the limiting piece 11 is taken out of the inside of the L-shaped groove 8 forwards, so that the dust screen 2 is detached from the inside of the rectangular ventilation hole 3.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a put formula cubical switchboard in high pressure with ground connection interlocking device, includes put formula cubical switchboard body (1) in the high pressure, its characterized in that: rectangle ventilation hole (3) have been seted up to the front surface of high-pressure middle-placed type cubical switchboard body (1), L type groove (8) have been seted up to the inboard symmetry in rectangle ventilation hole (3), just the inside in rectangle ventilation hole (3) is provided with dust screen (2), the equal fixed mounting in both sides of dust screen (2) has fixed plate (5), mounting groove (9) have been seted up to one side of fixed plate (5), fixed surface installs spring (10) on the inner chamber of mounting groove (9), the lower extreme fixedly connected with of spring (10) and locating part (11) of L type groove (8) block.

2. The high-voltage mid-set switch cabinet with the grounding interlocking device as claimed in claim 1, wherein: the limiting part (11) is of an L-shaped structure, and a grounding interlocking device main body (6) is fixedly mounted inside the high-voltage middle-mounted switch cabinet body (1).

3. The high-voltage mid-set switch cabinet with the grounding interlocking device as claimed in claim 1, wherein: the thickness of dust screen (2) is less than the thickness of fixed plate (5) the same, rectangle ventilation hole (3) are convex structure.

4. The high-voltage mid-set switch cabinet with the grounding interlocking device as claimed in claim 1, wherein: the high-voltage middle-mounted switch cabinet is characterized in that a shell (4) is fixedly mounted on two sides of the high-voltage middle-mounted switch cabinet body (1), and one side, far away from the high-voltage middle-mounted switch cabinet body (1), of the shell (4) is of an arc-shaped structure.

5. The high-voltage mid-set switch cabinet with the grounding interlocking device as claimed in claim 4, wherein: surface symmetry fixed mounting has motor (13), every on the inner chamber of casing (4) the equal fixedly connected with lead screw (18) of output shaft of motor (13), two the common spiro union in the outside of lead screw (18) has fly leaf (15), the even fixed mounting in lower surface of fly leaf (15) has four connecting rods (19), four the common fixedly connected with backup pad (7) of lower extreme of connecting rod (19), the even fixed mounting in lower surface of backup pad (7) has four thrust wheels (17).

6. The high-voltage mid-set switch cabinet with the grounding interlocking device as claimed in claim 5, wherein: the gear (16) is sleeved on the outer side of the screw rod (18), four electric telescopic rods (12) are uniformly and fixedly mounted on the upper surface of the supporting plate (7), and the output ends of the electric telescopic rods (12) which correspond to each other from left to right are fixedly connected with a toothed ring (14) meshed with the gear (16) together.