Manual opening operation mechanism of single-phase recloser

Abstract

The utility model belongs to the technical field of high-voltage single-phase reclosers of a power distribution network, and particularly relates to a manual opening operating mechanism of a single-phase recloser, which comprises a manual opening operating handle, a handle mounting and fixing bolt and a hand lock rotating shaft. And the hand lock rotating shaft is arranged on the inner side of the manual opening operation handle. According to the utility model, through the arrangement of the hand lock bending plate, the hand lock spring, the locking limit switch, the bending plate fixing pin and the fixed long bolt, after the handle is manually pulled downwards to execute an opening operation, the operation handle is kept at a closing locking position under the matching of the pulling force of the hand lock bending plate and the hand lock spring, and the locking operation is completed. And the electric locking switch is controlled through a fixed long bolt on the hand lock bending plate, the manual reset needs to manually pull the operation handle upwards to reset under the action of the matched pulling force of the hand lock bending plate and the hand lock spring, the closing locking function is closed after the reset, and at the moment, the normal electric closing operation can be carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of distribution network high voltage single-phase recloser, specifically is single-phase recloser manual switching off operating mechanism. BACKGROUND

[0002] Single-phase recloser is a kind of automatic reclosing device, mainly used in single-phase power system or distribution network, to realize the automatic recovery of power supply after single-phase fault.

[0003] Prior art has the following shortcomings: the single-phase recloser of prior art often adopts three-phase synchronous switching operation when short-circuiting, but power system operation experience shows that in line operation short-circuit fault, most of them are single-phase ground short-circuit.In this case, three-phase synchronous switching is not needed, only one phase of fault is disconnected, and then single-phase reclosing operation is carried out, and the existing switching-off operating mechanism does not set electric closing locking protection structure, and electric closing is easily misoperated. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of prior art, the utility model provides single-phase recloser manual switching-off operating mechanism, solves the problem of easy misoperation leading to electric closing existing today.

[0005] To achieve the above object, the utility model provides the following technical scheme: single-phase recloser manual switching-off operating mechanism, including manual switching-off operating handle, handle installation fixed bolt, hand lock rotation shaft, the handle installation fixed bolt is arranged at the outer end of manual switching-off operating handle, the hand lock rotation shaft is arranged at the inner side of manual switching-off operating handle, the handle installation fixed bolt side end is provided with hand lock rotation shaft fixed sleeve, one side of manual switching-off operating handle is provided with hand lock switching-off locking position label.

[0006] Manual switching-off operating handle side end is provided with hand lock bent plate, the side end of hand lock bent plate is provided with hand lock spring, the same side of manual switching-off operating handle is provided with locking limit switch, the handle installation fixed bolt side end is provided with bent plate fixed pin, one side of hand lock rotation shaft is provided with manual switching-off transmission main shaft, the side end of hand lock bent plate is connected with fixed long bolt, the side end of manual switching-off transmission main shaft is provided with mechanism switching-off main shaft insertion pin.

[0007] As a preferred technical scheme of the utility model, the side of manual switching-off operating handle is further provided with sheet metal shell structure wrapping manual switching-off transmission main shaft.

[0008] As a preferred technical scheme of the utility model, the upper end of hand lock spring is connected to the side end of sheet metal shell.

[0009] As a preferred technical scheme of the utility model, the manual switching transmission main shaft is externally provided with a mechanism switching main shaft fixing plate sleeved outside the manual switching transmission main shaft, and the mechanism switching main shaft fixing plate is penetrated by the columnar structure connected to the inner wall of the metal shell at both ends.

[0010] As a preferred technical scheme of the utility model, the manual switching transmission main shaft is externally provided with a mechanism switching main shaft fixing plate sleeved outside the manual switching transmission main shaft, and the mechanism switching main shaft fixing plate is penetrated by the columnar structure connected to the inner wall of the metal shell at both ends.

[0011] As a preferred technical scheme of the utility model, the manual switching transmission main shaft is externally provided with a mechanism switching main shaft fixing plate sleeved outside the manual switching transmission main shaft, and the mechanism switching main shaft fixing plate is penetrated by the columnar structure connected to the inner wall of the metal shell at both ends.

[0012] Compared with the prior art, the utility model provides a single-phase recloser manual switching operation mechanism, which has the following beneficial effects:

[0013] The single-phase recloser manual switching operation mechanism is provided with a hand lock bent plate, a hand lock spring, a locking limit switch, a bent plate fixing pin and a fixed long bolt, the handle is manually pulled downward, switching operation is performed, the handle is kept at the closing locking position under the cooperation of the pulling force of the hand lock bent plate and the hand lock spring, the electrical locking switch is controlled through the fixed long bolt on the hand lock bent plate, manual reset is needed under the cooperation of the pulling force of the hand lock bent plate and the hand lock spring, the handle is manually pulled upward for reset, after reset, the closing locking function is closed, and normal electric closing operation can be performed at this time.

[0014] Through the above setting and process, the structure can control the electrical locking switch through the fixed long bolt on the hand lock bent plate when in use, electric closing locking protection function is achieved, electric closing misoperation is prevented, and the hand lock bent plate and the hand lock spring are combined through a unique structure, the handle has a certain position keeping required pulling force at the normal starting position and the closing locking position, the state is stable, and operation is convenient, safe and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an overall structure schematic view of the utility model;

[0016] Figure 2 It is a one-side plane structure schematic view of the hand lock switching locking position label of the utility model;

[0017] Figure 3 It is an internal structure schematic view of the utility model.

[0018] In the figure: 1, manual switching handle; 2, hand lock bending plate; 3, hand lock spring; 4, locking limit switch; 5, bending plate fixing pin; 6, handle mounting and fixing bolt; 7, hand lock rotating shaft; 8, manual switching transmission main shaft; 9, hand lock rotating shaft fixing sleeve; 10, fixed long bolt; 11, mechanism switching main shaft plug; 12, mechanism switching main shaft fixing plate; 13, hand lock switching locking position label. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] In the embodiment, the single-phase recloser manual switching operation mechanism comprises a manual switching handle 1, a handle mounting and fixing bolt 6 and a hand lock rotating shaft 7. The handle mounting and fixing bolt 6 is arranged at the outer end of the manual switching handle 1, the hand lock rotating shaft 7 is arranged at the inner side of the manual switching handle 1, and the side end of the handle mounting and fixing bolt 6 is provided with a hand lock rotating shaft fixing sleeve 9. One side of the manual switching handle 1 is provided with a hand lock switching locking position label 13.

[0021] The side end of the manual switching handle 1 is provided with a hand lock bending plate 2, the side end of the hand lock bending plate 2 is provided with a hand lock spring 3, the same side of the manual switching handle 1 is provided with a locking limit switch 4, the side end of the handle mounting and fixing bolt 6 is provided with a bending plate fixing pin 5, one side of the hand lock rotating shaft 7 is provided with a manual switching transmission main shaft 8, the side end of the hand lock bending plate 2 is connected with a fixed long bolt 10, and the side end of the manual switching transmission main shaft 8 is provided with a mechanism switching main shaft plug 11.

[0022] In the embodiment, the side of the manual switching handle 1 is further provided with a metal shell structure wrapping the manual switching transmission main shaft 8, and the upper end of the hand lock spring 3 is connected to the side end of the metal shell.

[0023] Specifically, as shown in Figure 1 and Figure 2 The metal shell covering the outside of the switching structure provides protection and limits the position.

[0024] In the embodiment, the manual switching transmission main shaft 8 is provided with a mechanism switching main shaft fixing plate 12 sleeved on the outside thereof, and the mechanism switching main shaft fixing plate 12 is penetrated by the columnar structure connected to the inner wall of the metal shell at both ends; the lower end of the manual switching transmission main shaft 8 extends a lock body structure, and the lock body structure is provided with an inward groove structure on the side facing the middle part of the metal shell.

[0025] Specifically, as shown in Figure 3 The mechanism opening main shaft fixing plate 12 is driven by the control of the manual opening transmission main shaft 8.

[0026] In this embodiment, when the manual opening operation handle 1 is rotated to the end of the stroke, the handlock spring 3 is stretched to the maximum length, and the extension length of the handlock spring 3 is positively correlated with the one-way rotation angle of the manual opening operation handle 1.

[0027] The working principle and use process of the utility model are as follows: the operator manually pulls down the manual opening operation handle 1, after performing the opening operation, the manual opening operation handle 1 is kept in the closing locking position under the cooperation of the handlock bending plate 2 and the handlock spring 3, and controls the electrical locking switch through the fixed long bolt 10 on the handlock bending plate 2, and the manual reset needs to pull up the manual opening operation handle 1 under the cooperation of the handlock bending plate 2 and the handlock spring 3, and then reset, after resetting, the closing locking function is closed, at this time, the normal electric closing operation can be performed.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A single-phase recloser manual tripping operation mechanism, comprising a manual tripping operation handle (1), a handle mounting fixing bolt (6), and a handlock rotating shaft (7), wherein the handle mounting fixing bolt (6) is arranged at the outer end of the manual tripping operation handle (1), the handlock rotating shaft (7) is arranged at the inner side of the manual tripping operation handle (1), and the side end of the handle mounting fixing bolt (6) is provided with a handlock rotating shaft fixing sleeve (9), and one side of the manual tripping operation handle (1) is provided with a handlock tripping locking position label (13), characterized in that: the side end of the manual tripping operation handle (1) is provided with a handlock bent plate (2), the side end of the handlock bent plate (2) is provided with a handlock spring (3), the same side of the manual tripping operation handle (1) is provided with a locking limiting switch (4), the side end of the handle mounting fixing bolt (6) is provided with a bent plate fixing pin (5), one side of the handlock rotating shaft (7) is provided with a manual tripping transmission main shaft (8), the side end of the handlock bent plate (2) is connected with a fixed long bolt (10), and the side end of the manual tripping transmission main shaft (8) is provided with a mechanism tripping main shaft insertion pin (11). The side of the manual tripping operation handle (1) is further provided with a sheet metal shell structure wrapping the manual tripping transmission main shaft (8).

2. The single-phase recloser manual opening operation mechanism of claim 1, wherein: The upper end of the handlock spring (3) is connected to the side end of the sheet metal shell.

3. The single-phase recloser manual opening operation mechanism of claim 2, wherein: The manual tripping transmission main shaft (8) is provided with a mechanism tripping main shaft fixing plate (12) sleeved on the outside thereof, and both ends of the mechanism tripping main shaft fixing plate (12) are connected to the columnar structure penetrating the inner wall of the sheet metal shell.

4. The single-phase recloser manual opening operation mechanism of claim 1, wherein: The lower end side of the manual tripping transmission main shaft (8) extends a lock body structure, and the lock body structure is provided with an inward groove structure on the side facing the middle part of the sheet metal shell.

5. The single-phase recloser manual opening operation mechanism of claim 1, wherein: When the manual tripping operation handle (1) is rotated to the end of the stroke, the handlock spring (3) is stretched to the maximum length, and the extension length of the handlock spring (3) is positively correlated with the one-way rotation angle of the manual tripping operation handle (1).

6. The single-phase recloser manual opening operation mechanism of claim 1, wherein: ​

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