CN111900635A

CN111900635A - Novel double-shielding contact box for high-voltage switch cabinet

Info

Publication number: CN111900635A
Application number: CN202010728976.6A
Authority: CN
Inventors: 余红英; 张庆军; 李冰峰; 周泽童; 柴丽斌; 方蕾
Original assignee: Zhejiang Kaihua Qiyi Electrical Equipment Co ltd
Current assignee: Zhejiang Kaihua Qiyi Electrical Appliance Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2020-11-06
Anticipated expiration: 2040-07-27
Also published as: CN111900635B

Abstract

The invention discloses a novel double-shielding contact box for a high-voltage switch cabinet, which comprises a barrel-shaped box body, a mounting flange plate in the middle, a plurality of annular umbrella groups used for improving the insulating property at the upper part and the lower part of the mounting flange plate, and a rectangular box used for bus entry and exit at the side part of the box body, a bus fixing device is arranged at the butt joint of the interior of the rectangular box and the box body, a containing device for dispersedly containing redundant buses is arranged in the rectangular box, the novel double-shielding contact box for the high-voltage switch cabinet, a bus fixing device is arranged at the butt joint of the rectangular box and the box body, so that after the bus enters the box body from the rectangular box, the position of the rectangular box body at the butt joint of the rectangular box body and the box body can be fixed, so that the rectangular box body is prevented from loosening, the use performance of the box body is influenced, and the rectangular box is internally provided with a storage device for dispersedly storing redundant buses, so that the phenomenon that the redundant buses are exposed outside the contact box to cause crowding in the high-voltage switch cabinet is prevented.

Description

Novel double-shielding contact box for high-voltage switch cabinet

Technical Field

The invention relates to the technical field of high-voltage switch cabinets, in particular to a novel double-shielded contact box for a high-voltage switch cabinet.

Background

The high-voltage switch cabinet is one of the most important parts in the power system, and once a connection junction between a power grid and a user fails, the high-voltage switch cabinet is likely to cause serious consequences such as equipment damage or user power failure. Therefore, along with the development of the power industry and a series of fault problems in the operation of a high-voltage switch cabinet, the requirements on the protection level and the performance of the contact box used in the cabinet are increased, and in order to improve the insulation performance of the switch cabinet and limit the temperature rise of the switch cabinet, a plurality of improvements are provided on the design structure and the installation process of the insulation part over the years.

The bus bar outlet of the existing contact box still maintains the current bus bar inlet and outlet mode of opening from the inner side wall of the bottom of the contact box body or the closed wire outlet mode of integrally molding the bus bar and epoxy. The key department of this kind of double-shielded contact box lies in for improving the generating line business turn over line position because of the inhomogeneous problem that leads to of electric field, the problem of accomodating that the length of generating line differs can appear in this kind of contact box, current mode of accomodating is accomodating in the high tension switchgear with what unnecessary generating line coiled form, the heat that the unnecessary space of this kind can occupy high tension switchgear inside also be convenient for the generating line gives off, and the generating line exposes outside at the contact box more, its surface can be infected with the dust for a long time, finally influence the performance of generating line. Therefore, a novel double-shielded contact box for a high-voltage switch cabinet is provided.

Disclosure of Invention

The invention aims to provide a novel double-shielding contact box for a high-voltage switch cabinet, which can fix a bus inside the contact box and store redundant buses, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high tension switchgear is with novel double-shielded contact box, includes the annular parachute kit that many are used for improving insulating properties of tubbiness box body, middle part mounting flange dish, mounting flange dish upper portion and lower part department and box body side department is used for the rectangle box that the generating line passed in and out, the inside and the box body butt joint department of rectangle box are equipped with generating line fixing device, and generating line fixing device can fix rectangle box and box body kneck, prevents to use for a long time under, and the generating line easily produces not hard up to influence the performance of contact box, the inside storage device who carries out the dispersibility and accomodate to unnecessary generating line that is equipped with of rectangle box, unnecessary generating line is accomodate and can occupy the usage space in the high tension switchgear in the contact box outside, thermal giving off in the high tension.

Preferably, a horn-shaped wire inlet and outlet is formed in the butt joint of the rectangular box and the box body, so that the bus inlet and outlet of the contact box and the movable and static contacts are uniformly matched with the periphery of the electric distribution.

Preferably, storage device includes a plurality of mounts, the mount distributes in the rectangle box from top to bottom, and cross arrangement between the mount from top to bottom, the inside equal sliding connection of mount has the slide bar, the bottom of slide bar is fixed with the briquetting, and the slide bar drives the briquetting and removes, and the briquetting compresses tightly the generating line, makes the generating line can be vertical range inside the rectangle box.

Preferably, the briquetting is trapezoidal, and the briquetting is trapezoidal, can make the generating line when the inside vertical range of rectangle box, the distance between the generating line can increase, helps the interior thermal giving off of rectangle box.

Preferably, the inside of rectangle box is equipped with a plurality of trapezoidal framves that are used for supporting the generating line, and the trapezoidal frame is used for supporting the generating line, and the generating line gets into the back from the export of rectangle box, can penetrate between mount and trapezoidal frame, helps the generating line to place correctly in the box body.

Preferably, the slide bar is kept away from the one end of briquetting and is fixed with the slide, the both ends of slide and the inner wall sliding connection of mount, the slide is kept away from the one end of slide bar and is fixed with the cylinder cover, the inside of cylinder cover is rotated and is connected with the bolt, the one end that the cylinder cover was kept away from to the bolt passes the lateral wall of rectangle box, rotates the bolt, and the bolt can drive rather than the slide of rotating the connection through the cylinder cover and move in the inside of mount to the slide bar that makes the slide bottom drives the briquetting and removes, thereby realizes compressing tightly and accomodating the generating line.

Preferably, the bottom both ends of slide all are equipped with the spring beam, the one end that the slide was kept away from to the spring beam is fixed on the mount, and the spring beam realizes that the briquetting carries out elasticity to the generating line and compresses tightly, makes things convenient for taking out of generating line on the one hand, and on the other hand, elasticity compresses tightly can not harm the normal performance of generating line.

Preferably, the bus fixing device comprises an upper pressing plate and a lower supporting plate, the bus is compressed under the combined action of the upper pressing plate and the lower supporting plate, the two ends of the lower supporting plate are fixed on the inner wall of the rectangular box, an inverted U-shaped frame is fixed at the top of the upper pressing plate, a lead screw is connected to the inner thread of the inverted U-shaped frame, a rotating nut is fixed to the inner wall of the rectangular box, the rotating nut is rotated to drive the inverted U-shaped frame and the upper pressing plate fixed to the inverted U-shaped frame to move downwards so as to compress the bus, first telescopic rods are fixed to the two ends of the inverted U-shaped frame, one end, far away from the inverted U-shaped frame, of each telescopic rod is fixed on the rectangular box, and the first telescopic rods prevent the inverted U-shaped frame from overturning in the downward moving process.

Preferably, the open end of rectangle box is equipped with two mutually opposite compression rollers, and the generating line is in between two compression rollers, the inside of compression roller is all rotated and is connected with the pivot, it is connected with the frame of falling the U-shaped to rotate between the both ends of pivot, the top both ends of frame of falling the U-shaped all are fixed with the second telescopic link, the inner wall at the rectangle box is fixed to the one end that the frame of falling the U-shaped was kept away from to the second telescopic link, when needs take out some generating lines, only need stimulate the end of rising of generating line, and the compression roller rotates, makes things convenient for taking out of generating.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the bus fixing device is arranged at the joint of the rectangular box and the box body, so that after the bus enters the box body from the rectangular box, the bus can be fixed at the joint of the rectangular box and the box body, the bus is prevented from loosening, and the use performance of the box body is further prevented from being influenced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the front structure of the rectangular box of the present invention;

FIG. 3 is a schematic view of the overall internal structure of the present invention;

FIG. 4 is an overall internal front cross-sectional view of the present invention;

FIG. 5 is a front cross-sectional view of the interior of the rectangular box;

FIG. 6 is an enlarged view of area A of FIG. 3;

fig. 7 is an enlarged view of the region B in fig. 5.

In the figure: 1-box body; 2, mounting a flange plate; 3-ring-shaped umbrella group; 4-bus bar; 5-a rectangular box; 6-bus fixing device; 7-a storage device; 8-a horn-shaped wire inlet and outlet; 9-a fixing frame; 10-a slide bar; 11-briquetting; 12-a ladder rack; 13-a skateboard; 14-a cylindrical sleeve; 15-bolt; 16-a spring rod; 17-an upper platen; 18-a lower support plate; 19-an inverted U-shaped frame; 20-a screw rod; 21-turning the nut; 22-a first telescopic rod; 23-a press roll; 24-a rotating shaft; 25-an inverted U-shaped frame; 26-a second telescopic 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. 1-7, the present invention provides a technical solution of a novel dual-shielded contact box for a high-voltage switch cabinet: the utility model provides a high tension switchgear is with novel double-shielded contact box, box body 1 including the tubbiness, the mounting flange 2 at middle part, many annular parachute kit 3 that are used for improving insulating properties and the rectangle box 5 that 1 side of box body was located and is used for the business turn over of generating line 4 of mounting flange 2 upper portion and lower part department, the inside and the 1 butt joint department of box body of rectangle box 5 are equipped with generating line fixing device 6, generating line fixing device 6 can be fixed

rectangle box

5 and 1 kneck of box body, prevent under long-time the use, generating line 4 easily produces not hard up, thereby influence the performance of contact box, 5 inside storage device 7 that carry out the dispersibility and accomodate unnecessary generating line 4 that are equipped with of rectangle box, unnecessary generating line 4 is accomodate and can occupy the usage space in the high tension switchgear in the contact box outside, thermal giving off in the.

The rectangular box 5 and the box body 1 are internally provided with a horn-shaped wire inlet and outlet 8 at the butt joint part so as to evenly distribute the electrical distribution of the inlet and outlet of the contact box bus 4 and the matching periphery of the moving contact and the static contact.

The bus fixing device 6 comprises an upper pressing plate 17 and a lower supporting plate 18, the bus 4 is compressed under the combined action of the upper pressing plate 17 and the lower supporting plate 18, the two ends of the lower supporting plate 18 are fixed on the inner wall of the rectangular box 5, an inverted U-shaped frame 19 is fixed at the top of the upper pressing plate 17, a lead screw 20 is connected to the inner thread of the inverted U-shaped frame 19, a rotating nut 21 is fixed to the inner wall of the rectangular box 5 and is used for rotating the rotating nut 21, the lead screw 20 rotates to drive the inverted U-shaped frame 19 and the upper pressing plate 17 fixed with the inverted U-shaped frame 19 to move downwards, so that the bus 4 is compressed, first telescopic rods 22 are fixed to the two ends of the inverted U-shaped frame 19, one ends, far away from the inverted U-shaped frame 19, of the first telescopic rods 22 are fixed on the rectangular box 5, and the first telescopic rods 22 prevent the inverted U-shaped frame 19.

Storage device 7 includes a plurality of mounts 9, mount 9 is upper and lower distribution in rectangle box 5, and cross arrangement between upper and lower mount 9, the inside equal sliding connection of mount 9 has slide bar 10, the bottom of slide bar 10 is fixed with briquetting 11, and slide bar 10 drives briquetting 11 and removes, and briquetting 11 compresses tightly generating line 4, makes generating line 4 can be vertical range in rectangle box 5 is inside, briquetting 11 is trapezoidal, and briquetting 11 is trapezoidal, can make generating line 4 when rectangle box 5 is inside vertical range, and the distance between generating line 4 can increase, helps the giving off of heat in rectangle box 5.

The inside of rectangle box 5 is equipped with a plurality of trapezoidal framves 12 that are used for supporting generating line 4, and trapezoidal frame 12 is used for supporting generating line 4, and generating line 4 from the export back of rectangle box 5, can penetrate between mount 9 and trapezoidal frame 12, helps the correct placing of generating line 4 in box body 1.

A sliding plate 13 is fixed at one end of the sliding rod 10 far away from the pressing block 11, two ends of the sliding plate 13 are connected with the inner wall of the fixed frame 9 in a sliding way, a cylindrical sleeve 14 is fixed at one end of the sliding plate 13 far away from the sliding rod 10, a bolt 15 is rotatably connected inside the cylindrical sleeve 14, one end of the bolt 15 far away from the cylindrical sleeve 14 penetrates through the side wall of the rectangular box 5, the bolt 15 is rotated, the bolt 15 drives the sliding plate 13 which is rotatably connected with the bolt 15 through the cylindrical sleeve 14 to move in the fixed frame 9, thereby the slide bar 10 at the bottom of the slide plate 13 drives the pressing block 11 to move, thereby realizing the compression and the accommodation of the bus bar 4, both ends of the bottom of the slide plate 13 are provided with spring rods 16, one end, far away from the sliding plate 13, of the spring rod 16 is fixed on the fixing frame 9, the spring rod 16 realizes that the pressing block 11 elastically compresses the bus 4, on one hand, the bus 4 is conveniently drawn out, and on the other hand, the normal use performance of the bus 4 cannot be damaged due to elastic compression.

The open end of rectangle box 5 is equipped with two mutually opposite compression roller 23, and generating line 4 is in between two compression roller 23, the inside of compression roller 23 all rotates and is connected with pivot 24, it is connected with the frame 25 of falling the U-shaped to rotate between the both ends of pivot 24, the top both ends of frame 25 of falling the U-shaped all are fixed with second telescopic link 26, the one end that the frame 25 of falling the U-shaped was kept away from to second telescopic link 26 is fixed at the inner wall of rectangle box 5, when needs take out partly generating line 4, only needs the play head end of pulling generating line 4, and compression roller 23 rotates, makes things convenient for taking out of generating line 4.

In the scheme, an operator inserts a bus 4 from the open end of a rectangular box 5, under the combined action of a fixed frame 9 and a trapezoid frame 12, the bus 4 can accurately enter the box body 1, after the bus 4 is inserted into the box body 1, a rotating nut 21 is rotated, a screw rod 20 rotates to drive an inverted U-shaped frame 19 and an upper pressure plate 17 fixed with the inverted U-shaped frame to move downwards so as to compress the bus 4, then bolts 15 at the upper end and the lower end of the rectangular box 5 are rotated, the bolts 15 drive a sliding plate 13 which is rotatably connected with the bolts through a cylindrical sleeve 14 to move in the fixed frame 9, so that a sliding rod 10 at the bottom of the sliding plate 13 drives a pressing block 11 to move, the pressing block 11 presses the bus 4 on the trapezoid frame 12, at the moment, the bus 4 in the rectangular box 5 is arranged in a vertically staggered manner, a spring rod 16 realizes that the pressing block 11 elastically compresses the bus 4, on one hand, the, the elasticity compresses tightly can not harm the normal performance of generating line 4, and the upper and lower compression roller 23 of the department that corresponds of generating

line

4 and 5 exit ends of rectangle box compresses tightly generating line 4 this moment, also makes things convenient for taking out at any time of generating line 4.

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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high tension switchgear is with novel double-shielded contact box, includes box body (1), the mounting flange dish (2), mounting flange dish (2) upper portion and the lower part department of tubbiness many be used for improving insulating properties annular parachute kit (3) and box body (1) side department rectangle box (5) that are used for generating line (4) business turn over, its characterized in that: the butt joint of the inside of the rectangular box (5) and the box body (1) is provided with a bus fixing device (6), and the inside of the rectangular box (5) is provided with a storage device (7) for dispersedly storing redundant buses (4).

2. The novel double-shielded contact box for the high-voltage switch cabinet according to claim 1, wherein: the inside butt joint department of rectangle box (5) and box body (1) is equipped with tubaeform business turn over line mouth (8).

3. The novel double-shielded contact box for the high-voltage switch cabinet according to claim 2, wherein: storage device (7) include a plurality of mounts (9), mount (9) are upper and lower distribution in rectangle box (5), and cross arrangement between upper and lower mount (9), mount (9) inside all sliding connection has slide bar (10), the bottom of slide bar (10) is fixed with briquetting (11).

4. The novel double-shielded contact box for the high-voltage switch cabinet according to claim 3, wherein: the pressing block (11) is trapezoidal.

5. The novel double-shielded contact box for the high-voltage switch cabinet according to claim 4, wherein: the rectangular box (5) is internally provided with a plurality of trapezoidal frames (12) for supporting the bus (4).

6. The novel double-shielded contact box for the high-voltage switch cabinet according to claim 3, wherein: slide bar (10) are kept away from the one end of briquetting (11) and are fixed with slide (13), the both ends of slide (13) and the inner wall sliding connection of mount (9), the one end that slide bar (10) were kept away from in slide (13) is fixed with cylinder cover (14), the inside rotation of cylinder cover (14) is connected with bolt (15), the lateral wall of rectangle box (5) is passed to the one end that cylinder cover (14) were kept away from in bolt (15).

7. The novel double-shielded contact box for the high-voltage switch cabinet according to claim 6, wherein: spring rods (16) are arranged at two ends of the bottom of the sliding plate (13), and one ends, far away from the sliding plate (13), of the spring rods (16) are fixed on the fixed frame (9).

8. The novel double-shielded contact box for the high-voltage switch cabinet according to claim 1, wherein: bus fixing device (6) include top board (17) and bottom suspension fagging (18), the both ends of bottom suspension fagging (18) are fixed on the inner wall of rectangle box (5), the top of top board (17) is fixed with the frame of falling U-shaped (19), the internal thread connection of the frame of falling U-shaped (19) has lead screw (20), the inner wall that rectangle box (5) was passed to the one end of lead screw (20) is fixed with rotates nut (21), the both ends of the frame of falling U-shaped (19) are fixed with first telescopic link (22), the one end that the frame of falling U-shaped (19) was kept away from in first telescopic link (22) is fixed on rectangle box (5).

9. The novel double-shielded contact box for the high-voltage switch cabinet according to claim 1, wherein: the open end of rectangle box (5) is equipped with two mutually opposite compression roller (23), the inside of compression roller (23) all rotates and is connected with pivot (24), it is connected with down U-shaped frame (25) to rotate between the both ends of pivot (24), the top both ends of falling U-shaped frame (25) all are fixed with second telescopic link (26), the inner wall in rectangle box (5) is fixed to the one end that the frame (25) of falling U-shaped was kept away from in second telescopic link (26).