CN217334764U - Novel anti-seismic structure of nuclear-grade low-voltage switch cabinet - Google Patents
Novel anti-seismic structure of nuclear-grade low-voltage switch cabinet Download PDFInfo
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- CN217334764U CN217334764U CN202221250675.8U CN202221250675U CN217334764U CN 217334764 U CN217334764 U CN 217334764U CN 202221250675 U CN202221250675 U CN 202221250675U CN 217334764 U CN217334764 U CN 217334764U
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Abstract
The utility model relates to a novel anti-seismic structure of a nuclear-grade low-voltage switch cabinet, which comprises side frames at two sides, a bottom beam, a middle beam and a top beam which are connected with the two side frames, and also comprises a lower instrument room clapboard and a breaker mounting plate which are arranged up and down, wherein the lower instrument room clapboard and the breaker mounting plate are arranged horizontally and are respectively fixedly connected with the two side frames, a vertical breaker rear clapboard is fixedly connected between the lower clapboard of the instrument room and the breaker mounting plate, two ends of the breaker rear clapboard are respectively fixedly connected with the two side frames, the rigid coupling has vertical reinforcing plate on the side frame, the utility model discloses a side frame, instrument room lower baffle, circuit breaker mounting panel and vertical reinforcing plate isotructure that set up have improved low-voltage switchgear's shock resistance, have guaranteed the antidetonation of low-voltage switchgear in nuclear industry and have used, have ensured electric power system's normal operating in the nuclear industry of china.
Description
Technical Field
The utility model relates to a cubical switchboard field especially involves antidetonation cubical switchboard field, specifically indicates a novel shock-resistant structure of nuclear level low-voltage switchgear.
Background
The earthquake has huge destruction energy, and can bring destructive damage to ground buildings, electric power equipment, communication equipment and the like in severe cases. The switch cabinet has very wide application in a power system, and how to quickly recover the operation of power equipment after an earthquake occurs brings a new subject to low-voltage switch cabinet designers and manufacturers. The nuclear power industry in China is still in a development and starting stage, the anti-seismic performance of the nuclear-grade low-voltage switch cabinet cannot meet the use requirement, and no unified anti-seismic test standard or relevant standard requirement of the low-voltage switch cabinet is formed in the industry at present.
Disclosure of Invention
The utility model discloses to prior art's not enough, a novel shock-resistant structure of nuclear level low-voltage switchgear is provided.
The utility model is realized by the following technical proposal, provides a novel anti-seismic structure of a nuclear-grade low-voltage switch cabinet, which comprises side frames at two sides, a bottom beam, a middle beam and a top beam which are connected with the two side frames, the side frame comprises a bottom longitudinal beam, a middle longitudinal beam and a top longitudinal beam which are arranged from bottom to top, and a front upright, a middle rear upright and a rear upright which are arranged from front to rear, the upper end and the lower end of the front upright post are respectively connected with the front end of the top longitudinal beam and the front end of the bottom longitudinal beam, the upper end and the lower end of the rear upright post are respectively connected with the rear end of the top longitudinal beam and the rear end of the bottom longitudinal beam, the front end and the rear end of the middle longitudinal beam are respectively connected with the front upright post and the rear upright post, the upper end of the middle front upright post and the upper end of the middle rear upright post are both connected with the middle longitudinal beam, the lower end of the middle front upright post and the lower end of the middle rear upright post are both connected with the bottom longitudinal beam, and the two middle cross beams are respectively arranged at the front end and the rear end of the middle longitudinal beam; baffle and circuit breaker mounting panel under still including the instrument room of arranging from top to bottom, the equal level setting of baffle and circuit breaker mounting panel under the instrument room just respectively with two side frame rigid couplings, the rigid coupling has vertical circuit breaker after-separating board under the instrument room between baffle and the circuit breaker mounting panel, the both ends of baffle behind the circuit breaker respectively with two side frame rigid couplings.
Side frame in this scheme is the skeleton of setting up the both sides at the cubical switchboard, the side frame includes end longeron, well longeron, top longeron and front column, well back column, the back column, thereby improve the front and back shock resistance of side frame through a large amount of stands and longeron, the end crossbeam, two side frame frames are connected to well crossbeam and top crossbeam, thereby form the whole frame of cubical switchboard, baffle and circuit breaker mounting panel are the level setting under the instrument room, thereby the board that sets up through the level improves the horizontal antitorque effect of whole frame, two side frame frames are connected to the baffle behind the vertical circuit breaker, thereby improve the shock resistance about whole frame.
As optimization, baffle and circuit breaker mounting panel all are located between front column and the well front column and respectively with front column and well front column rigid coupling under the instrument room, the lower extreme of circuit breaker mounting panel supports the rigid coupling and has front mounting board crossbeam and rear mounting board crossbeam, the both ends of front mounting board crossbeam respectively with two front column rigid couplings, the both ends of rear mounting board crossbeam respectively with two well front column rigid couplings. Front mounting panel crossbeam and rear mounting panel crossbeam support the bottom of circuit breaker mounting panel in this scheme, strengthen the circuit breaker mounting panel.
And optimally, a plurality of front connecting longitudinal beams which are vertically arranged are fixedly connected between the front upright post and the middle front upright post, and two ends of the rear clapboard of the circuit breaker are fixedly connected with the front connecting longitudinal beams. Front column and well front column are connected to the front connection longeron in this scheme, and the both ends and the preceding longeron rigid coupling of connecting of baffle behind the circuit breaker to realize the connection of baffle behind the circuit breaker.
And optimally, the upper end of the lower instrument room partition plate is fixedly connected with a vertical instrument room rear partition plate, and two ends of the instrument room rear partition plate are fixedly connected with the front connecting longitudinal beam. The instrument room rear partition plate in the scheme plays a role in separating the instrument room, and meanwhile, the left and right shock resistance is improved.
Preferably, the upper end of the rear partition board of the instrument room is fixedly connected with an upper partition board of the instrument room, and the front end of the upper partition board of the instrument room is fixedly connected with a middle cross beam at the front end. The upper end of the instrument room is sealed by the upper partition plate of the instrument room in the scheme, and the front end of the upper partition plate of the instrument room is fixedly connected with the middle cross beam at the front end, so that the transverse torsion resistance of the whole frame is improved.
As optimization, the side frame still includes vertical reinforcing plate, vertical reinforcing plate respectively with well front column, well back column and back stand fixed connection, vertical reinforcing plate is the rectangular plate and highly is 20cm ~50 cm. Vertical reinforcing plate in this scheme respectively with well front column, well back stand and back stand fixed connection to improve the preceding and following shock resistance of side frame.
As optimization, a plurality of rear connecting longitudinal beams which are arranged up and down are connected between the middle front upright post and the middle rear upright post and between the middle rear upright post and the rear upright post, and the longitudinal reinforcing plate is arranged between the rear connecting longitudinal beams which are adjacent up and down. The rear connecting longitudinal beam in the scheme connects the middle front upright column, the middle rear upright column and the rear upright column into a whole.
Preferably, a horizontal main bus clamp support is arranged between the two side frames, two ends of the main bus clamp support are fixedly connected with the two middle longitudinal beams respectively, and the front length and the rear length of the main bus clamp support are 15 cm-30 cm. The two ends of the main bus clamp bracket in the scheme are fixedly connected with the two middle longitudinal beams respectively, so that the transverse torsion resistance of the frame is improved.
The utility model has the advantages that: the utility model discloses a novel antidetonation structure of nuclear level low-voltage switchgear, through the side frame that sets up, baffle, circuit breaker mounting panel and vertical reinforcing plate isotructure under the instrument room, improved low-voltage switchgear's shock resistance, guaranteed the antidetonation of low-voltage switchgear in nuclear industry and used, ensured electric power system's in china's nuclear industry normal operating.
Drawings
FIG. 1 is a schematic structural view of a side frame of the present invention;
FIG. 2 is a schematic front view of the cabinet door without the front cabinet door;
FIG. 3 is a schematic connection diagram of the upper partition board of the instrument room, the rear partition board of the instrument room, the lower partition board of the instrument room, the rear partition board of the circuit breaker and the circuit breaker mounting board of the present invention;
shown in the figure:
1. bottom longitudinal beam, 2, middle longitudinal beam, 3, top longitudinal beam, 4, front upright post, 5, middle front upright post, 6, middle rear upright post, 7, rear upright post, 8, front cabinet door, 9, rear cabinet door, 10, rear connecting longitudinal beam, 11, longitudinal reinforcing plate, 12, instrument room upper clapboard, 13, instrument room rear clapboard, 14, instrument room lower clapboard, 15, breaker rear clapboard, 16, breaker mounting plate, 17, front mounting plate cross beam, 18, rear mounting plate cross beam, 19, front connecting longitudinal beam, 20, main bus clamp bracket, 21, bottom cross beam, 22, middle cross beam, 23 and top cross beam.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1~3, the utility model discloses a novel antidetonation structure of nuclear level low-voltage switchgear, including the side frame of both sides and the bottom end rail 21 of connecting two side frame frames, entablature 22 and top end rail 23, side frame and bottom end rail 21, entablature 22, top end rail 23 etc. constitute the cabinet body, the cabinet body covers the steel sheet outward, a plurality of preceding cabinet doors 8 are equipped with in the place ahead, back cabinet door 9 is equipped with at the rear, every preceding cabinet door 8 sets up 2~3 hinges and 2~3 locks, set up 3~4 hinges and 3~4 locks on the back cabinet door 9.
As shown in fig. 2, the side frame comprises a bottom longitudinal beam 1, a middle longitudinal beam 2 and a top longitudinal beam 3 which are arranged from bottom to top, and a front upright post 4, a middle front upright post 5, a middle rear upright post 6 and a rear upright post 7 which are arranged from front to back, wherein the bottom longitudinal beam 1, the middle longitudinal beam 2 and the top longitudinal beam 3 extend horizontally and longitudinally, and the middle longitudinal beam 2 is close to the top longitudinal beam 3 and has a distance of 20-50 cm.
The upper end and the lower end of the front upright post 4 are respectively connected with the front end of the top longitudinal beam 3 and the front end of the bottom longitudinal beam 1, the upper end and the lower end of the rear upright post 7 are respectively connected with the rear end of the top longitudinal beam 3 and the rear end of the bottom longitudinal beam 1, the front end and the rear end of the middle longitudinal beam 2 are respectively connected with the front upright post 4 and the rear upright post 7, the upper end of the middle front upright post 5 and the upper end of the middle rear upright post 6 are both connected with the middle longitudinal beam 2, and the lower end of the middle front upright post 5 and the lower end of the middle rear upright post 6 are both connected with the bottom longitudinal beam 1.
The bottom cross beam 21, the middle cross beam 22 and the top cross beam 23 extend horizontally and leftwards and rightwards, and the two middle cross beams 22 are arranged at the front end and the rear end of the middle longitudinal beam 2 respectively; the top cross beam 23 is provided with two and is respectively arranged at the front end and the rear end of the top longitudinal beam 3, and the bottom cross beam 21 is provided with two and is respectively arranged at the front end and the rear end of the bottom longitudinal beam 1.
A plurality of rear connecting longitudinal beams 10 which are vertically arranged are connected between the middle front upright post 5 and the middle rear upright post 6 and between the middle rear upright post 6 and the rear upright post 7, 4 rear connecting longitudinal beams 10 are arranged between the middle front upright post 5 and the middle rear upright post 6 in the embodiment, and 4 rear connecting longitudinal beams 10 are also arranged between the middle rear upright post 6 and the rear upright post 7.
The side frame still includes vertical reinforcing plate 11, vertical reinforcing plate 11 passes through the bolt respectively with well front column 5, well rear column 6 and rear column 7 fixed connection, and vertical reinforcing plate 11 is the rectangular plate and highly is 20cm ~50 cm. The longitudinal reinforcing plates 11 are arranged between the upper and lower adjacent rear connecting longitudinal beams 10, and two longitudinal reinforcing plates 11 are arranged in the embodiment.
Still including baffle 14 and circuit breaker mounting panel 16 under the instrument room of arranging from top to bottom, baffle 14 and circuit breaker mounting panel 16 are the horizontally rectangular plate under the instrument room, and baffle 14 and the equal level setting of circuit breaker mounting panel 16 under the instrument room just pass through bolt rigid coupling with two side frame building joints respectively, in this embodiment under the instrument room baffle 14 and circuit breaker mounting panel 16 all are located between front column 4 and the well front column 5 and respectively with front column 4 and well front column 5.
The lower extreme of circuit breaker mounting panel 16 supports the rigid coupling has front mounting panel crossbeam 17 and rear mounting panel crossbeam 18, the both ends of front mounting panel crossbeam 17 respectively with two front column 4 rigid couplings, rear mounting panel crossbeam 18 both ends respectively with two in front column 5 rigid couplings, circuit breaker mounting panel 16 passes through bolt and front mounting panel crossbeam 17 and rear mounting panel crossbeam 18 fixed connection to play the effect of strengthening circuit breaker mounting panel 16.
A plurality of front connecting longitudinal beams 19 which are vertically arranged are fixedly connected between the front upright post 4 and the middle front upright post 5, 6 front connecting longitudinal beams 19 are arranged in the embodiment, the front end of each front connecting longitudinal beam 19 is fixedly connected with the front upright post 4 through a bolt, and the rear end of each front connecting longitudinal beam is fixedly connected with the middle front upright post 5 through a bolt.
The rigid coupling has behind vertical circuit breaker baffle 15 between baffle 14 and the circuit breaker mounting panel 16 under the instrument room, behind the circuit breaker 15 both ends respectively with two side frame rigid couplings, 15 both ends of baffle and the preceding longeron 19 rigid couplings of connecting of circuit breaker back, baffle 15 passes through bolted connection with 3 preceding connection longerons 19 of below behind the circuit breaker in this embodiment, and baffle 14, circuit breaker behind baffle 15 and the circuit breaker mounting panel 16 enclose into the circuit breaker room under the instrument room.
The upper end of the rear instrument room partition plate 13 is fixedly connected with an upper instrument room partition plate 12, the front end of the upper instrument room partition plate 12 is fixedly connected with a middle cross beam 22 at the front end, and therefore an instrument room is enclosed by the upper instrument room partition plate 12, the rear instrument room partition plate 13 and the lower instrument room partition plate 14.
A horizontal main bus clamp support 20 is arranged between the two side frames, two ends of the main bus clamp support 20 are fixedly connected with the upper end faces of the two middle longitudinal beams 2 respectively, and the front length and the rear length of the main bus clamp support 20 are 15 cm-30 cm.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should not depart from the spirit of the present invention, and shall also belong to the protection scope of the claims of the present invention.
Claims (8)
1. The utility model provides a novel antidetonation structure of nuclear level low-voltage switchgear which characterized in that: the side frame comprises side frames on two sides, and a bottom cross beam (21), a middle cross beam (22) and a top cross beam (23) which are connected with the two side frames, wherein the side frames comprise a bottom longitudinal beam (1), a middle longitudinal beam (2), a top longitudinal beam (3), a front upright post (4), a middle front upright post (5), a middle rear upright post (6) and a rear upright post (7) which are arranged from bottom to top, the upper end and the lower end of the front upright post (4) are respectively connected with the front end of the top longitudinal beam (3) and the front end of the bottom longitudinal beam (1), the upper end and the lower end of the rear upright post (7) are respectively connected with the rear end of the top longitudinal beam (3) and the rear end of the bottom longitudinal beam (1), the front end and the rear end of the middle front upright post (2) are respectively connected with the front upright post (4) and the rear upright post (7), the upper end of the middle front upright post (5) and the upper end of the middle rear upright post (6) are respectively connected with the middle longitudinal beam (2), the lower end of the middle front upright post (5) and the lower end of the middle rear upright post (6) are respectively connected with the bottom longitudinal beam (1), the two middle cross beams (22) are arranged and are respectively arranged at the front end and the rear end of the middle longitudinal beam (2);
baffle (14) and circuit breaker mounting panel (16) under still including the instrument room of arranging from top to bottom, baffle (14) and circuit breaker mounting panel (16) average level under the instrument room set up and respectively with two side frame rigid couplings, the rigid coupling has behind the vertical circuit breaker baffle (15) between baffle (14) and circuit breaker mounting panel (16) under the instrument room, the both ends of baffle (15) behind the circuit breaker respectively with two side frame rigid couplings.
2. The novel anti-seismic structure of the nuclear-grade low-voltage switch cabinet according to claim 1, characterized in that: baffle (14) and circuit breaker mounting panel (16) all are located between front column (4) and well front column (5) and respectively with front column (4) and well front column (5) rigid coupling under the instrument room, the lower extreme of circuit breaker mounting panel (16) supports the rigid coupling and has front mounting panel crossbeam (17) and back mounting panel crossbeam (18), the both ends of front mounting panel crossbeam (17) respectively with two front column (4) rigid couplings, the both ends of back mounting panel crossbeam (18) respectively with two well front column (5) rigid couplings.
3. The novel anti-seismic structure of the nuclear-grade low-voltage switch cabinet according to claim 1, characterized in that: a plurality of front connecting longitudinal beams (19) which are arranged up and down are fixedly connected between the front upright post (4) and the middle front upright post (5), and two ends of the rear clapboard (15) of the circuit breaker are fixedly connected with the front connecting longitudinal beams (19).
4. The novel anti-seismic structure of the nuclear-grade low-voltage switch cabinet according to claim 3, characterized in that: the upper end of the lower instrument room partition plate (14) is fixedly connected with a vertical instrument room rear partition plate (13), and two ends of the instrument room rear partition plate (13) are fixedly connected with a front connecting longitudinal beam (19).
5. The novel anti-seismic structure of the nuclear-grade low-voltage switch cabinet as claimed in claim 4, wherein: the upper end of the instrument room rear partition board (13) is fixedly connected with an instrument room upper partition board (12), and the front end of the instrument room upper partition board (12) is fixedly connected with a middle cross beam (22) at the front end.
6. The novel anti-seismic structure of the nuclear-grade low-voltage switch cabinet according to claim 1, characterized in that: the side frame still includes vertical reinforcing plate (11), vertical reinforcing plate (11) respectively with well front column (5), well rear column (6) and rear column (7) fixed connection, vertical reinforcing plate (11) are the rectangular plate and highly are 20cm ~50 cm.
7. The novel anti-seismic structure of the nuclear-grade low-voltage switch cabinet as claimed in claim 6, characterized in that: a plurality of rear connecting longitudinal beams (10) which are vertically arranged are connected between the middle front upright post (5) and the middle rear upright post (6) and between the middle rear upright post (6) and the rear upright post (7), and the longitudinal reinforcing plate (11) is arranged between the rear connecting longitudinal beams (10) which are vertically adjacent.
8. The novel anti-seismic structure of the nuclear-grade low-voltage switch cabinet according to claim 1, characterized in that: be equipped with horizontally main bus-bar clamp support (20) between two side frames frame, the both ends of main bus-bar clamp support (20) respectively with two well longerons (2) rigid couplings, main bus-bar clamp support (20) front and back length is 15 cm ~30 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221250675.8U CN217334764U (en) | 2022-05-24 | 2022-05-24 | Novel anti-seismic structure of nuclear-grade low-voltage switch cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221250675.8U CN217334764U (en) | 2022-05-24 | 2022-05-24 | Novel anti-seismic structure of nuclear-grade low-voltage switch cabinet |
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| Publication Number | Publication Date |
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| CN217334764U true CN217334764U (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221250675.8U Active CN217334764U (en) | 2022-05-24 | 2022-05-24 | Novel anti-seismic structure of nuclear-grade low-voltage switch cabinet |
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| CN (1) | CN217334764U (en) |
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- 2022-05-24 CN CN202221250675.8U patent/CN217334764U/en active Active
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