CN204464163U - A monostable permanent magnet circuit breaker frame - Google Patents

Abstract

The utility model discloses a kind of monostable permanent-magnet breaker framework, comprise sealing bent plate, sealing base plate, left and right side plate, left and right dividing plate, mounting panel, set square, median septum, capacitor mounting panel; After described framework is connected with left plate, right plate, left clapboard, right clapboard, mounting panel, set square, the mutual screens of median septum by sealing base plate, sealing bent plate, by being welded and fixed into framework; Described lower portion is welded and fixed by the screens of polylith supporting bracket, described mounting panel is horizontally installed in the middle of left clapboard and right clapboard, median septum is provided with below described mounting panel, described set square is vertically arranged between described right clapboard, right plate, described set square is horizontally arranged with capacitor mounting panel; The many plates of this novel employing, diaphragm structure, by joggle screens welding manufacture; By position, Optimization Framework hole and parts morpheme, implementation framework is produced in batches; Labour intensity is low, is convenient to dismounting, care and maintenance.

Description

A monostable permanent magnet circuit breaker frame

technical field

The utility model relates to the technical equipment field of a vacuum circuit breaker, in particular to a frame of a monostable permanent magnet circuit breaker.

Background technique

The monostable permanent magnet circuit breaker is a new type of circuit breaker operating mechanism that is specially combined with an electromagnetic mechanism and a permanent magnet. By changing the direction of the current in the opening and closing coil, the opening and closing operation is controlled and completed; compared with the traditional mechanism, the transmission The chain reduces the failure rate, and the mechanical life can be as high as 100,000 times, which significantly improves the mechanical life of the circuit breaker.

Usually, the stable operation of the permanent magnet mechanism circuit breaker requires a reliable power supply, which provides pulsed high current to the opening and closing coil of the permanent magnet mechanism, and drives the permanent magnet mechanism circuit breaker to realize the opening and closing operation; through the control of the opening and closing time, the circuit breaker is guaranteed The reliability of the operation of the device is improved to improve its operating life; due to its special structure, the frame design is required to be compact, reasonable, and space-saving; and in the process of manufacturing, assembly, use, disassembly, and maintenance, it is required to be convenient for disassembly and maintenance; the chassis structure is direct Affect the disassembly, installation and performance of the vacuum circuit breaker.

The disadvantages and disadvantages of the permanent magnet mechanism circuit breaker chassis in the prior art are that it lacks a general optimization design, it is inconvenient to manufacture and assemble in batches, and the labor intensity of workers is high; the disassembly, maintenance and installation during use are complicated and time-consuming.

Utility model content

In order to solve the above technical problems, the utility model provides a monostable permanent magnet circuit breaker frame, aiming at the deficiencies in the prior art and the characteristics of the permanent magnet vacuum circuit breaker, a split multi-plate combination and a partition plate fixing structure are adopted, Manufactured by mortise and clamping welding of fixed plates; by optimizing the hole position of the frame and the shape and position of parts, the batch manufacturing and assembly production of the permanent magnet vacuum circuit breaker frame are realized; the labor intensity is low, and the disassembly, repair and installation are simple and easy to maintain during use. Maintenance saves time and effort.

In order to achieve the above purpose, the technical solution of the present invention is as follows: a frame of a monostable permanent magnet circuit breaker, including a frame, a solid-sealed bent plate, a solid-sealed bottom plate, a left side plate, a right side plate, a left partition, a right partition Plate, mounting plate, support plate, triangular plate, middle partition, tenon, tenon hole, spindle hole, outlet hole, solid-sealed pole mounting hole, turning head hole, magnetic cylinder mounting hole, auxiliary switch hole, three-phase crank arm pin Holes, chassis flap holes, capacitor mounting plates, capacitor mounting holes, are characterized in that:

The frame is a box made of cold-rolled metal sheet. The outside of the frame is composed of a solid-sealed bent plate, a solid-sealed bottom plate, a left side plate and a right-side plate. The solid-sealed bent plate is a five-fold plate, from top to In the following order, the first and fourth folded surfaces are horizontal planes, the first folded surface is the top surface, and the fourth folded surface is the mounting surface of the solid-sealed pole, on which there are three waist holes for insulating pull rods; the solid-sealed bottom plate is two folds The solid-sealed bottom plate is provided with a circular solid-sealed pole installation hole; the solid-sealed bent plate is docked with the corner of the solid-sealed bottom plate, and the solid-sealed bottom plate and the solid-sealed bent plate are provided with a plurality of tenons Holes; the edges of the left side plate, right side plate, left partition, right partition, mounting plate, support plate, triangular plate, and middle partition are provided with tenons, and the positions of the tenon holes and the tenons match the size Corresponding settings, after the solid-sealed bottom plate, solid-sealed bent plate, left side plate, right side plate, left partition, right partition, mounting plate, triangular plate, and middle partition are connected to each other, they are fixed into a frame by welding; The inside of the frame is welded and fixed by a plurality of support plates, and there are six support plates, which are fixedly connected to the solid-sealed bent plate and the solid-sealed bottom plate; the mounting plate is horizontally arranged between the left partition and the In the middle of the right partition, a middle partition is fixed at the lower part of the installation plate, and the triangular plate is vertically arranged between the right partition and the right side panel, and the triangular plate will solidify the bent plate and solidify the bottom plate The card position is welded and fixed, and a capacitor mounting plate is arranged horizontally on the triangular plate, and the capacitor mounting plate is fixedly connected with the right partition and the right side plate. Two groups of capacitor mounting holes are arranged on the capacitor mounting plate, and the capacitor mounting plate The holes are triangular radial waist holes, and there are three mounting holes for each group of capacitors; the left side plate, the right side plate, the left partition board, and the right partition board are provided with spindle holes. The upper part of the side plate is provided with an outlet hole, the top surface of the solid-sealed bent plate is provided with a turning hole, the lower part of the left partition is provided with a three-phase crank pin hole, and the middle part of the solid-sealed bottom plate is provided with a chassis flap hole , the lower part of the right partition is provided with an auxiliary switch hole, and the installation plate is provided with a magnetic cylinder installation hole.

The pin hole of the three-phase crank arm is a curved waist-shaped hole, and the pin hole of the three-phase crank arm is assembled with the pin shaft of the crank arm. The curved waist shape is convenient for installation, disassembly and maintenance.

The chassis flap hole is a triangular hole, and the chassis flap hole is equipped with a permanent magnet guide shaft.

The triangular plate fixes the solid-sealed bent plate and the solid-sealed bottom plate through tenons and tenon holes, and the capacitor mounting plate is supported on the triangular plate, and the two sides of the capacitor mounting plate are screwed to the right partition and the right On the capacitor mounting plate, capacitor mounting holes are provided on the capacitor mounting plate, and the capacitor mounting holes are used for fixing and assembling capacitors.

The working principle of the utility model is: the manufacturing process of the frame is to select a cold-rolled steel plate with a suitable thickness as the frame material, and use a laser cutting machine to cut the cold-rolled steel plate according to the requirements of the frame design process drawing, and process the cold-rolled steel plate through the laser cutting machine. Form the solid-sealed bent plate, solid-sealed bottom plate, left side panel, right-side panel, left partition, right partition, mounting plate, support plate, triangular plate, middle partition of the frame; the solid-sealed curved plate, The solid-sealed bottom plate is bent and processed according to the process requirements by a CNC bending machine; the frame components are positioned and connected through the tenon holes and the tenons, and are welded and fixed in batches by a welding machine to produce batch frame products, and the batch frames are polished and processed. Leveling, and then performing surface treatment on the polished and leveled frame. The surface treatment is to spray plastic on the inner and outer surfaces of the frame as a whole by a plastic spraying machine.

Through the above-mentioned technical solution, the beneficial effects of the technical solution of the utility model are: adopt split multi-plate combination and partition plate fixing structure, manufacture through mortise and clamp welding of fixed plate; realize permanent The magnetic vacuum circuit breaker frame is mass-manufactured and assembled; the labor intensity is low, and the disassembly, maintenance, and installation are simple during use, saving time and effort in maintenance; the frame opening and closing operation is stable, without bending and displacement, and the quality is reliable.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a three-dimensional schematic diagram of a frame of a monostable permanent magnet circuit breaker disclosed in an embodiment of the present invention;

Fig. 2 is a schematic diagram of a front view of a frame of a monostable permanent magnet circuit breaker disclosed in an embodiment of the present invention, wherein Fig. 2a is a front view, Fig. 2b is a left side view, and Fig. 2c is a top view;

Fig. 3 is a schematic diagram of a frame partition of a monostable permanent magnet circuit breaker disclosed in an embodiment of the utility model, wherein Fig. 3a is a left partition diagram, and Fig. 3b is a right partition diagram;

Fig. 4 is a schematic diagram of a frame mounting plate of a monostable permanent magnet circuit breaker disclosed in an embodiment of the utility model;

Fig. 5 is a schematic diagram of a frame capacitor mounting plate of a monostable permanent magnet circuit breaker disclosed by an embodiment of the utility model.

The corresponding part names indicated by numbers and letters in the figure:

1. Frame 2. Solid-sealed bent plate 3. Solid-sealed bottom plate 4. Left side panel

5. Right side panel 6. Left partition 7. Right partition 8. Mounting plate

9. Support plate 10. Triangular plate 11. Middle partition 12. Tenon

13. Tenon hole 14. Spindle hole 15. Outlet hole 16. Embedded pole mounting hole

17. Turning head hole 18. Magnetic cylinder installation hole 19. Auxiliary switch hole 20. Three-phase crank arm pin hole

21. Chassis flap hole 22. Capacitor mounting plate 23. Capacitor mounting hole

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

According to Figures 1 to 5, the utility model provides a monostable permanent magnet circuit breaker frame, including a frame 1, a solid-sealed bent plate 2, a solid-sealed bottom plate 3, a left side plate 4, a right side plate 5, a left partition Plate 6, right partition 7, mounting plate 8, support plate 9, triangular plate 10, middle partition 11, tenon head 12, tenon head hole 13, main shaft hole 14, outlet hole 15, solid-sealed pole installation hole 16, turning head hole 17. Magnetic cylinder mounting hole 18, auxiliary switch hole 19, three-phase crank arm pin hole 20, chassis flap hole 21, capacitor mounting plate 22, capacitor mounting hole 23.

The frame 1 is a box made of cold-rolled metal sheets, and the outside of the frame 1 is composed of a solid-sealed bent plate 2, a solid-sealed bottom plate 3, a left side plate 4 and a right-side plate 5, and the solid-sealed bent plate 2 is Five-fold plate, from top to bottom, the first and fourth folded surfaces are horizontal planes, the first folded surface is the top surface, and the fourth folded surface is the mounting surface of the solid-sealed pole, on which there are three insulating pull rod waist holes; The solid-sealed bottom plate 3 is a two-fold plate, and the solid-sealed bottom plate 3 is provided with a circular solid-sealed pole installation hole 16; Plate 3, solid-sealed bent plate 2, left partition 6, and middle partition 7 are provided with a plurality of tenon holes 13; the left side panel 4, right side panel 5, left partition 6, right partition 7, installation Tenon 12 is provided on the edge of plate 8, support plate 9, triangular plate 10, and middle partition 11, and the position and size of the tenon hole 13 and the tenon 12 are set correspondingly. After 2 and the left side plate 4, the right side plate 5, the left partition 6, the right partition 7, the mounting plate 8, the triangular plate 10, and the middle partition 11 are connected to each other, they are fixed into a frame 1 by welding; the frame 1 The inside is fixed by a plurality of support plates 9 clamping welding, and the support plates 9 are provided with six pieces, and the solid-sealed bent plate 2 and the solid-sealed bottom plate 3 are fixedly connected; the mounting plate 8 is arranged laterally on the left In the middle of the partition plate 6 and the right partition plate 7, a middle partition plate 11 is fixedly arranged under the mounting plate 8, and the triangular plate 10 is vertically arranged between the right partition plate 7 and the right side plate 5. The triangular plate 10 welds and fixes the solid-sealed bent plate 2 and the solid-sealed bottom plate 3. A capacitor mounting plate 22 is horizontally arranged on the triangular plate 10, and the capacitor mounting plate 22 is fixedly connected with the right partition plate 7 and the right side plate 5. The capacitor mounting plate 22 is provided with two groups of capacitor mounting holes 23, the capacitor mounting holes 23 are radial waist holes arranged in a triangle, and each group of capacitor mounting holes 23 is provided with three; the left side plate 4, the right side The plate 5, the left partition 6, and the right partition 7 are provided with a spindle hole 14, the upper part of the left side panel 4 and the right side panel 5 is provided with an outlet hole 15, and the top surface of the solid-sealed curved panel 2 is provided with There is a turning head hole 17, the lower part of the left partition 6 is provided with a three-phase crank pin hole 20, the middle part of the solid-sealed bottom plate 3 is provided with a chassis flap hole 21, and the lower part of the right partition 7 is provided with an auxiliary switch hole 19 , the mounting plate 8 is provided with a magnetic cylinder mounting hole 18 .

The three-phase crank arm pin hole 20 is a curved waist-shaped hole, and the three-phase crank arm pin hole 20 is assembled with the pin shaft of the crank arm. The curved waist shape is convenient for installation, disassembly and maintenance.

The chassis flap hole 21 is a triangular hole, and the chassis flap hole 21 is equipped with a permanent magnet guide shaft.

The triangular plate 10 fixes the solid-sealed curved plate 2 and the solid-sealed bottom plate 3 through the tenon 12 and the tenon hole 13, and the capacitor mounting plate 22 is supported on the triangular plate 10, and the two sides of the capacitor mounting plate 22 are fixed by clamping screws. Connected to the right partition 7 and the right side plate 5, the capacitor mounting plate 22 is provided with a capacitor mounting hole 23, and the capacitor mounting hole 23 is used for fixing and assembling the capacitor.

The specific manufacturing steps of the utility model are as follows: the manufacturing process of the frame 1 is to select a cold-rolled steel plate with a thickness of 4mm as the frame material, and use a laser cutting machine to cut the cold-rolled steel plate according to the requirements of the frame design process drawing, and use the laser cutting machine to cut the cold-rolled steel plate. The solid-sealed bent plate 2, the solid-sealed bottom plate 3, the left side plate 4, the right side plate 5, the left partition 6, the right partition 7, the mounting plate 8, the support plate 9, the triangular plate 10, the middle Separator 11; pass the solid-sealed bent plate 2 and solid-sealed bottom plate 3 of the frame 1 through the CNC bending machine, and perform bending processing according to the process requirements; match and position the frame components through the tenon hole 13 and the tenon 12, and carry out the process by welding. Welding and fixing in batches to produce batches of frame 1 products, grinding and leveling the batch frames 1, and then performing surface treatment on the polished and leveled frames. plastic spraying.

Through the above-mentioned specific embodiments, the beneficial effects of the utility model are: adopt split multi-plate combination and partition plate fixing structure, manufacture through mortise and clamp welding of fixed plates; realize permanent magnet by optimizing frame hole position and parts shape and position Vacuum circuit breaker frames are mass-manufactured and assembled; low labor intensity, simple disassembly, maintenance, and installation during use, saving time and effort in maintenance; the frame opening and closing operations are stable, without bending and displacement, and the quality is reliable.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (4)

1. a monostable permanent-magnet breaker framework, it is characterized in that, comprise framework, sealing bent plate, sealing base plate, left plate, right plate, left clapboard, right clapboard, mounting panel, supporting bracket, set square, median septum, tenon, tenon hole, spindle hole, wire hole, pole installing hole, turn head bore, magnetic cylinder installing hole, auxiliary switch hole, three-phase connecting lever pin-and-hole, turnover panel hole, chassis, capacitor mounting panel, capacitor installing hole, described framework is the casing that cold rolled metal thin plate manufactures, described framework outside is made up of sealing bent plate, sealing base plate, left plate and right plate, described sealing bent plate is five flaps, order from top to bottom, first, fourth folding face is horizontal plane, first folding face is end face, and four fold face is pole installed surface, is provided with three insulated tension pole waist holes, described sealing base plate is two flaps, described sealing base plate is provided with circular pole installing hole, described sealing bent plate docks with sealing base plate bight, and described sealing base plate and sealing bent plate are provided with multiple tenon hole, the edge of described left plate, right plate, left clapboard, right clapboard, mounting panel, supporting bracket, set square, median septum is provided with tenon, corresponding setting is mated with size in described tenon hole and described tenon position, after described sealing base plate, sealing bent plate are connected with left plate, right plate, left clapboard, right clapboard, mounting panel, set square, the mutual screens of median septum, by being welded and fixed into framework, described lower portion is welded and fixed by the screens of polylith supporting bracket, and described supporting bracket is provided with six pieces, is fixedly connected with by described sealing bent plate with sealing base plate, described mounting panel is horizontally installed in the middle of described left clapboard and right clapboard, below described mounting panel, screens is fixedly installed median septum, described set square is vertically arranged at described right clapboard, between right plate, described set square is by sealing bent plate, the screens of sealing base plate is welded and fixed, described set square is horizontally arranged with capacitor mounting panel, described capacitor mounting panel and right clapboard, right plate is fixedly connected with, described capacitor mounting panel is provided with two group capacitor installing holes, described capacitor installing hole is the radial waist hole that triangle is arranged, every group capacitor installing hole is provided with three, throughly on described left plate, right plate, left clapboard, right clapboard be provided with spindle hole, described left plate, right plate top are provided with wire hole, the end face of described sealing bent plate is provided with and turns head bore, described left clapboard bottom is provided with three-phase connecting lever pin-and-hole, turnover panel hole, chassis is provided with in the middle part of described sealing base plate, described right clapboard bottom is provided with auxiliary switch hole, described mounting panel is provided with magnetic cylinder installing hole.

2. a kind of monostable permanent-magnet breaker framework according to claim 1, is characterized in that, described three-phase connecting lever pin-and-hole is the mounting hole of curved shape, the bearing pin of described three-phase connecting lever peg in hole operation connecting lever, and bending kidney-shaped is convenient installs, dismantles and keep in repair.

3. a kind of monostable permanent-magnet breaker framework according to claim 1, is characterized in that, turnover panel hole, described chassis is tri-angle-holed, and turnover panel hole, described chassis installs the permanent magnetism axis of guide.

4. a kind of monostable permanent-magnet breaker framework according to claim 1, it is characterized in that, described set square fixes described sealing bent plate and sealing base plate by tenon and tenon hole, on described set square, support assemblies has capacitor mounting panel, described capacitor mounting panel two side is screwed onto on right clapboard and right plate by screens, described capacitor mounting panel is provided with capacitor installing hole, and described capacitor installing hole is used for fixing wiring capacitance device.