Novel double-mechanism pole-mounted recloser

Abstract

The utility model discloses a novel double-mechanism pole-mounted recloser which comprises a buffer device and a mechanism box, the buffer device used for reducing impact force is arranged in the mechanism box, a permanent magnetic mechanism used for electric power opening and closing is arranged in the mechanism box, and a spring mechanism used for manual opening and closing is arranged in the mechanism box. Through cooperative arrangement of the buffer device, the permanent magnetic mechanism, the spring mechanism, the mechanism box, the counter, the square pull rod shaft and the interlocking device, the device has the advantages of manual opening and closing and electric opening and closing, can reduce impact generated by opening and closing, and is simple in structure, convenient to operate and low in cost at the number of times of opening and closing. The safety is improved, the impact force is reduced by adopting the buffer device, the electrified permanent magnetic mechanism drives the spring mechanism to realize electric opening and closing, the counter can directly record the opening and closing times, and the interlocking device is convenient for manual opening and closing operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to high -voltage electrical switch technical field, concretely relates to a novel double -agency post -recloser. BACKGROUND

[0002] High -voltage electrical switch as the important equipment of power system, is widely used in power generation, transmission, and distribution system, also has a large number of applications in industrial and automation field, post -recloser is particularly suitable for rural power grid post -recloser and frequently operated place;

[0003] The existing permanent magnet operating mechanism usually does not have manual closing structure, so manual emergency closing operation cannot be carried out, which causes difficulty in line closing in many cases, for this, there is also the method of installing spring operating mechanism on the basis of permanent magnet mechanism on the market, the mechanical cooperation of two kinds of mechanisms is difficult, and the reintegration design is complex and tedious, and the product assembly is also relatively complex, which greatly increases the manufacturing cost.

[0004] In view of the above technical problems, like the announcement number CN215644291U discloses a kind of 35kV outdoor post high-voltage switch double-agency automatic recloser, structure design is simple, assembly is also relatively convenient, reduce manufacturing cost, can realize secondary reclosing in emergency, operation speed is fast, to guarantee the safe and reliable use of distribution line, practicality is good;

[0005] The above-mentioned patent still has the following disadvantages: the existing post recloser can only realize manual closing, opening or electric closing, opening, and the structure is complex, and the closing and opening overshoot force is large. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of novel double-agency post-recloser, which can reduce the impact force during opening and closing, and can also perform electric opening and closing and manual opening and closing, and can also display the number of opening and closing, with simple structure, easy operation and improved safety, to solve the problems in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of novel double-agency post-recloser, comprising buffer device and mechanism box;

[0008] The inside of the mechanism box is provided with a buffer device for reducing impact force, the inside of the mechanism box is provided with a permanent magnet mechanism for electric opening and closing, the inside of the mechanism box is provided with a spring mechanism for manual opening and closing, the inside of the mechanism box is further provided with a counter for recording the number of opening and closing, the inside of the mechanism box is provided with a interlocking device for manual opening and closing, a square pull rod shaft is arranged between the permanent magnet mechanism and the spring mechanism;

[0009] The impact force when the square pull rod shaft is opened is reduced through the buffer device, the pole-type recloser is manually opened and closed through the interlocking device, the spring mechanism is opened and closed through the permanent magnet mechanism after power-on, and the number of times of opening and closing of the pole-type recloser is recorded through the counter.

[0010] Preferably, the mechanism box comprises a buffer device fixing plate welded at one end of the inner cavity of the mechanism box, and a permanent magnet mechanism fixing plate and a spring mechanism mounting plate are welded on the inner side wall of the mechanism box.

[0011] Preferably, a recloser over-center spring baffle and a counter mounting plate are welded on the inner side wall of the mechanism box, and a track frame is also welded on the inner side wall of the mechanism box.

[0012] Preferably, the counter is fixed on the mounting plate through bolts, and a crank arm at one end of the counter is connected with a pull plate pin on the track frame through a spring.

[0013] Preferably, the square pull rod shaft comprises a permanent magnet mechanism connecting plate and a square pull rod, the permanent magnet mechanism connecting plate is welded at one end of the square pull rod, connection holes are formed in the surfaces of the permanent magnet mechanism connecting plate and the square pull rod, and the square pull rod is installed on the track frame through a pin.

[0014] Preferably, the interlocking device comprises a manual opening shaft, a recloser over-center spring rear baffle and an opening steel wire rope, an opening cam and two recloser over-center spring bases are welded on the manual opening shaft.

[0015] Preferably, the recloser over-center spring rear baffle is installed on the recloser over-center spring base through a pin, the opening steel wire rope is installed on the recloser over-center spring base, and the end of the recloser over-center spring base is connected with a spring mechanism opening half shaft.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The utility model discloses a buffer device, a permanent magnet mechanism, a spring mechanism, a mechanism box, a counter, a square pull rod shaft and an interlocking device are cooperatively arranged, have the advantages of manual opening and closing and electric opening and closing, can reduce the impact generated when opening, record the number of times of opening and closing, and have the advantages of simple structure, convenient operation, improved safety, reduced impact through the buffer device, electric opening and closing through the permanent magnet mechanism after power-on, and direct recording of the number of times of opening and closing through the counter.

[0018] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention can be realized and obtained through the structures pointed out in the description and the accompanying drawings. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the square tie rod shaft structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the mechanism box structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the interlocking device structure of this utility model.

[0023] In the diagram: 1. Buffer device; 2. Permanent magnet mechanism; 3. Square tie rod shaft; 31. Permanent magnet mechanism connecting plate; 32. Square tie rod; 4. Spring mechanism; 5. Mechanism box; 51. Buffer device fixing plate; 52. Track frame; 53. Permanent magnet mechanism fixing plate; 54. Recloser intermediate spring baffle; 55. Counter mounting plate; 56. Spring mechanism mounting plate; 6. Counter; 7. Interlocking device; 71. Manual tripping shaft; 72. Tripping cam; 73. Recloser intermediate spring rear baffle; 74. Recloser intermediate spring base; 75. Tripping wire rope. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] like Figures 1-4 As shown, this utility model provides a novel dual-mechanism column-mounted recloser, comprising a buffer device 1 and a mechanism box 5. The mechanism box 5 contains a buffer device 1 for reducing impact force, a permanent magnet mechanism 2 for electrical opening and closing, a spring mechanism 4 for assisting the permanent magnet mechanism 2 in electrical opening and closing, a counter 6 for recording the number of opening and closing operations, and an interlocking device 7 for manual opening and closing. A square pull rod shaft 3 is positioned between the permanent magnet mechanism 2 and the spring mechanism 4.

[0026] The impact force when the square pull rod shaft 3 is opened is reduced by the buffer device 1, the column-type recloser is manually opened and closed by the interlocking device 7, the spring mechanism 4 is opened and closed by the permanent magnet mechanism 2 after being energized, and the number of times of opening and closing of the column-type recloser is recorded by the counter 6.

[0027] The spring mechanism 4 is opened and closed by the permanent magnet mechanism 2 after being energized; after the spring mechanism 4 is manually stored with energy, the permanent magnet mechanism 2 is closed, and the permanent magnet mechanism 2 and the spring mechanism can be separated by rotating the manual opening shaft 71 in the closing interlocking device 7.

[0028] As shown in Figure 3 , the mechanism box 5 includes a buffer device fixing plate 51 welded at one end of the inner cavity of the mechanism box 5, a permanent magnet mechanism fixing plate 53 and a spring mechanism mounting plate 56 welded on the inner side wall of the mechanism box 5; the mechanism box 5 includes a buffer device fixing plate 51 welded at one end of the inner cavity of the mechanism box 5, a permanent magnet mechanism fixing plate 53 and a spring mechanism mounting plate 56 welded on the inner side wall of the mechanism box 5; the inner side wall of the mechanism box 5 is welded with a recloser over-center spring baffle 54 and a counter mounting plate 55, and the inner side wall of the mechanism box 5 is also welded with a track frame 52.

[0029] The buffer device 1 is installed on the buffer device fixing plate 51, and the impact force when the square pull rod shaft 3 is opened can be reduced when the column-type recloser is opened.

[0030] The counter 6 is fixed on the counter mounting plate 55 by bolts, and the crank of one end of the counter 6 is connected to the pull plate pin on the track frame 52 through a spring.

[0031] The crank of the counter 6 is swung once every time the column-type recloser switch is opened and closed, thereby recording the number of times of opening and closing of the column-type recloser;

[0032] As shown in Figure 2 , the square pull rod shaft 3 includes a permanent magnet mechanism connecting plate 31 and a square pull rod 32, the permanent magnet mechanism connecting plate 31 is welded at one end of the square pull rod 32, and the permanent magnet mechanism connecting plate 31 and the square pull rod 32 are both provided with connecting holes, and the square pull rod 32 is installed on the track frame 52 through a pin.

[0033] As shown in Figure 4 , the interlocking device 7 includes a manual opening shaft 71, a recloser over-center spring rear baffle 73 and an opening steel wire rope 75, the manual opening shaft 71 is welded with an opening cam 72 and two recloser over-center spring bases 74; the recloser over-center spring rear baffle 73 is installed on the recloser over-center spring base 74 through a pin, the opening steel wire rope 75 is installed on the recloser over-center spring base 74, and the end of the recloser over-center spring base 74 is connected with the opening half shaft of the spring mechanism 4.

[0034] When the manual opening shaft 71 is rotated clockwise, the opening steel wire rope 75 will drive the opening half shaft of the spring mechanism 4 to move, thereby realizing the manual opening function.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A new dual mechanism pole recloser characterized by, It comprises a buffering device (1) and a mechanism box (5). The inside of the mechanism box (5) is provided with the buffering device (1) for reducing impact force, the permanent magnet mechanism (2) for power opening and closing, the spring mechanism (4) for manual opening and closing, the counter (6) for recording the number of opening and closing, the interlocking device (7) for manual opening and closing, and the square pull rod shaft (3) between the permanent magnet mechanism (2) and the spring mechanism (4). The buffering device (1) reduces the impact force when the square pull rod shaft (3) is opened, the interlocking device (7) manually opens and closes the pole-mounted recloser, the permanent magnet mechanism (2) after power-on makes the spring mechanism (4) open and close, and the counter (6) records the number of opening and closing of the pole-mounted recloser.

2. A novel dual mechanism pole recloser as claimed in claim 1, wherein: The mechanism box (5) comprises a buffering device fixing plate (51) welded at one end of the inner cavity of the mechanism box (5), a permanent magnet mechanism fixing plate (53) and a spring mechanism mounting plate (56) welded on the inner side wall of the mechanism box (5).

3. A novel dual mechanism pole recloser as claimed in claim 2, wherein: The inner side wall of the mechanism box (5) is welded with a recloser over-center spring baffle (54) and a counter mounting plate (55), and the inner side wall of the mechanism box (5) is also welded with a track frame (52).

4. A novel dual mechanism pole recloser as claimed in claim 1, wherein: The counter (6) is fixed on the mounting plate (55) by bolts, and the crank of one end of the counter (6) is connected with the pull plate pin on the track frame (52) through a spring.

5. A novel dual mechanism pole recloser as claimed in claim 1, wherein: The square pull rod shaft (3) comprises a permanent magnet mechanism connecting plate (31) and a square pull rod (32), the permanent magnet mechanism connecting plate (31) is welded at one end of the square pull rod (32), the permanent magnet mechanism connecting plate (31) and the square pull rod (32) are both provided with connecting holes on the surfaces, and the square pull rod (32) is installed on the track frame (52) through a pin.

6. A novel dual mechanism pole recloser as claimed in claim 1, wherein: The interlocking device (7) comprises a manual opening shaft (71), a recloser over-center spring rear baffle (73) and an opening steel wire rope (75), the manual opening shaft (71) is welded with an opening cam (72) and two recloser over-center spring bases (74).

7. A novel dual mechanism pole recloser as claimed in claim 6, wherein: The recloser over-center spring rear baffle (73) is installed on the recloser over-center spring base (74) through a pin, the opening steel wire rope (75) is installed on the recloser over-center spring base (74), and the end of the recloser over-center spring base (74) is connected with the opening half shaft of the spring mechanism (4). The buffering device (1) reduces the impact force when the square pull rod shaft (3) is opened, the interlocking device (7) manually opens and closes the pole-mounted recloser, the permanent magnet mechanism (2) after power-on makes the spring mechanism (4) open and close, and the counter (6) records the number of opening and closing of the pole-mounted recloser.

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