Grounding mechanism of solid-sealed high-voltage alternating-current vacuum load switch

Abstract

The utility model discloses a solid-sealed high-voltage alternating-current vacuum load switch grounding mechanism, which comprises a grounding guide plate, a grounding push frame, a grounding linkage rod, a switch-off linkage rod, a connecting rod and a switch-off push frame. According to the utility model, the structure design is reasonable, the grounding guide plate connected through the grounding push frame is contacted with the grounding end corresponding to the switch through the rotating grounding linkage rod, and the switch-off push frame connected through the insulating push rod is separated from the electric connection part corresponding to the switch through the rotating switch-off linkage rod. The structure function of synchronously completing grounding, namely power-off, is achieved, the problem that the grounding operation and the switching-off operation are independently carried out and delay time is long is solved, and the safety performance of operation of the solid-sealed high-voltage alternating-current vacuum load switch can be enhanced.

Description

Technical Field

[0001] The utility model relates to a sealed high-voltage AC vacuum load switch grounding mechanism, belonging to the technical field of high-voltage AC vacuum load switches. Background Art

[0002] At present, the sealed high-voltage AC vacuum load switch is equipped with a grounding switch driving mechanism, but the existing grounding switch driving mechanism has a limited linkage structure and cannot be linked with the manual opening and closing structure of the switch, so that the operation of the two independent switch parts cannot be performed synchronously, which takes a long time and increases the risk of operation and installation. Therefore, a grounding mechanism of a sealed high-voltage AC vacuum load switch is proposed to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide a sealed high-voltage AC vacuum load switch grounding mechanism in order to solve the above problems.

[0004] The utility model achieves the above-mentioned purpose through the following technical scheme: a grounding mechanism of a sealed high-voltage AC vacuum load switch, comprising a grounding guide plate, a grounding push frame, a grounding linkage rod, a switch-off linkage rod, a connecting rod and a switch-off push frame, one end of the grounding push frame is installed at both ends and the middle of the grounding guide plate, and the top of the grounding push frame is fixedly connected to the corresponding part of the grounding linkage rod, one end of the grounding linkage rod is fixedly connected to the bottom end of the connecting rod through a lower connecting piece, and the top of the connecting rod is fixedly connected to one end of the switch-off linkage rod through an upper connecting piece, and the push-pull member on the switch-off linkage rod and the middle part of the switch-off push frame are connected to each other through an insulating push rod.

[0005] Preferably, the grounding conductor plate contacts the first strip conductor located on the first terminal post by turning sideways.

[0006] Preferably, the switch-off push frame is made of a conductive metal material, and the switch-off push frame is separated from the second strip guide plate located on the second terminal column by the outward pushing of the insulating push rod.

[0007] Preferably, the top end of the circuit breaker push frame is electrically connected to one end of the first terminal post.

[0008] Preferably, a lever handle is installed at the top end of the connecting rod.

[0009] Preferably, the ends of the grounding linkage rod and the circuit breaker linkage rod are both provided with springs, and the springs form a binding force to keep the adjusted shape stationary through position changes.

[0010] The beneficial effects of the utility model are as follows: the grounding guide plate connected via the grounding push frame is brought into contact with the grounding end corresponding to the switch through the rotating grounding linkage rod, and the disconnecting push frame connected via the insulating push rod is separated from the electrical connection part corresponding to the switch through the rotating disconnecting linkage rod, and the utility model has the structural function of synchronously completing grounding and power off, thereby solving the problem of long delay caused by the independent performance of grounding operation and disconnecting operation, and helping to enhance the safety performance of the operation of the sealed high-voltage AC vacuum load switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0012] Figure 1 This is a schematic diagram of the overall connection structure of the utility model;

[0013] Figure 2 It is a side view of the overall connection structure of the utility model.

[0014] In the figure: 1. grounding guide plate; 2. grounding push frame; 3. grounding linkage rod; 4. circuit breaker linkage rod; 5. connecting rod; 51. upper connecting piece; 52. lower connecting piece; 53. spring; 6. first terminal post; 61. first strip guide piece; 62. circuit breaker push frame; 7. second terminal post; 71. second strip guide piece; 8. toggle handle; 9. push-pull piece; 10. insulating push rod. DETAILED DESCRIPTION

[0015] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the embodiment described below is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0017] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0018] See also Figure 1-2 As shown, a sealed high-voltage AC vacuum load switch grounding mechanism comprises a grounding guide plate 1, a grounding push frame 2, a grounding linkage rod 3, a circuit breaker linkage rod 4, a connecting rod 5 and a circuit breaker push frame 62, wherein one end of the grounding push frame 2 is installed at both ends and the middle of the grounding guide plate 1, and the top of the grounding push frame 2 is fixedly connected to the corresponding part of the grounding linkage rod 3, one end of the grounding linkage rod 3 is fixedly connected to the bottom end of the connecting rod 5 through a lower connecting piece 52, and the top of the connecting rod 5 is fixedly connected to one end of the circuit breaker linkage rod 4 through an upper connecting piece 51, and the push-pull member 9 on the circuit breaker linkage rod 4 and the middle of the circuit breaker push frame 62 are connected to each other through an insulating push rod 10.

[0019] Furthermore, the grounding plate 1 is in contact with the first strip-shaped guide piece 61 located on the first terminal column 6 by turning sideways.

[0020] Furthermore, the switch-off push frame 62 is made of a conductive metal material, and the switch-off push frame 62 is separated from the second strip-shaped guide piece 71 located on the second terminal column 7 by the outward pushing of the insulating push rod 10 .

[0021] Furthermore, the top end of the disconnect push frame 62 is electrically connected to one end of the first terminal column 6 .

[0022] Furthermore, a lever handle 8 is installed at the top end of the connecting rod 5 .

[0023] Furthermore, a spring 53 is provided at the end of the grounding linkage rod 3 and the end of the tripping linkage rod 4, and the spring 53 forms a binding force to keep the adjusted shape immobile through position change.

[0024] When the utility model is in use, the handle 8 is operated by applying force laterally to drive the connecting rod 5 to be lifted or pushed down, so that the grounding linkage rod 3 and the circuit breaker linkage rod 4 respectively connected to the two ends of the connecting rod 5 are in a rotating state. The grounding linkage rod 3 is used to make the grounding guide plate 1 connected via the grounding push frame 2 contact with the corresponding grounding end at the switch. At the same time, the circuit breaker push frame 62 connected via the insulating push rod 10 is separated from the corresponding electrical connection part at the switch through the rotating circuit breaker linkage rod 4. The utility model has the structural function of synchronously completing grounding and power off, thereby solving the problem that the grounding operation and the circuit breaker operation are carried out independently and the delay is long, which helps to enhance the safety performance of the operation of the sealed high-voltage AC vacuum load switch.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0026] As described above, the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A sealed high voltage AC vacuum load switch grounding mechanism, characterized in that: The invention comprises a grounding guide plate (1), a grounding push frame (2), a grounding linkage rod (3), a switch-off linkage rod (4), a connecting rod (5) and a switch-off push frame (62); one end of the grounding push frame (2) is installed at both ends and the middle of the grounding guide plate (1); the top end of the grounding push frame (2) is fixedly connected to the corresponding part of the grounding linkage rod (3); one end of the grounding linkage rod (3) is fixedly connected to the bottom end of the connecting rod (5) through a lower connecting piece (52); the top end of the connecting rod (5) is fixedly connected to one end of the switch-off linkage rod (4) through an upper connecting piece (51); and a push-pull member (9) on the switch-off linkage rod (4) and the middle part of the switch-off push frame (62) are connected to each other through an insulating push rod (10).

2. The grounding mechanism of a sealed high-voltage AC vacuum load switch according to claim 1, characterized in that: The grounding conductor (1) contacts a first strip conductor (61) located on a first terminal column (6) by turning sideways.

3. The grounding mechanism of a sealed high-voltage AC vacuum load switch according to claim 1, characterized in that: The switch-off push frame (62) is made of conductive metal, and the switch-off push frame (62) is separated from the second strip-shaped guide piece (71) located on the second terminal column (7) by the outward pushing of the insulating push rod (10).

4. The grounding mechanism of a sealed high-voltage AC vacuum load switch according to claim 1, characterized in that: The top end of the disconnect push frame (62) is electrically connected to one end of the first terminal column (6).

5. The grounding mechanism of a sealed high-voltage AC vacuum load switch according to claim 1, characterized in that: A lever handle (8) is mounted on the top end of the connecting rod (5).

6. The grounding mechanism of a sealed high-voltage AC vacuum load switch according to claim 1, characterized in that: The ends of the grounding linkage rod (3) and the ends of the switch-off linkage rod (4) are both provided with springs (53), and the springs (53) form a binding force that keeps the adjusted shape immobile through position changes.

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