Disconnecting link device of disconnecting switch

Abstract

The utility model discloses a disconnecting link device of a disconnecting switch, and relates to the technical field of electrical equipment. The device comprises a mounting plate, a first stand column and a second stand column are symmetrically and detachably connected to the position, close to the center, of the top end of the mounting plate, a first mounting base is fixedly connected to the top end of the first stand column, vertical plates are symmetrically and fixedly connected to the two side ends of the first mounting base, and a first protection plate is detachably inserted between the two vertical plates and close to the top. Second protection plates are symmetrically and detachably inserted into the first protection plate and close to the centers of the two sides, and a second mounting base is fixedly connected to the top end of the second stand column. According to the utility model, through rotation of the knife switch body and mutual cooperation of the protection plate I and the protection plate II, the effect of protecting the connection part of the knife switch body and the conductive plate is realized, and the problem that the connection part of the knife switch and the conductive plate is exposed outside, so that the connection part of the knife switch and the conductive plate is short-circuited is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electrical equipment, concretely is a kind of isolator's knife switch device. BACKGROUND

[0002] The working principle and structural design of the isolation knife switch are simple, and it is mainly applied in high-voltage switchgear. After the switch is opened, a reliable insulation gap is established to separate the equipment or line to be maintained from the power supply with a clear disconnection point, ensuring the safety of maintenance personnel and equipment. The isolation knife switch has a large usage amount and high reliability requirements, and is widely used in the design, establishment and safe operation of substations and power plants.

[0003] In the patent with the name of a new type of isolator disclosed in China with the publication number CN210467669U, by setting the second sliding groove, the first and second supports are slidably connected to the base, which is conducive to adjusting the distance between the first and second supports, has high flexibility, wide application range, can use different length of knife switch, is conducive to saving working time and improving work efficiency, by setting the first and second limiting bolts, the first and second supports can be fixed, and the stability of the first and second supports is improved.

[0004] However, this device still has some shortcomings. The connection between the knife switch and the conductive plate is exposed, and rain or bird droppings in the outdoor environment can fall on the connection between the knife switch and the conductive plate, causing a short circuit at the connection between the knife switch and the conductive plate, which can affect the normal operation of the isolator and reduce the safety during use. In addition, no corresponding line limiting structure is provided during actual use, and after long-term use, the connection line may fall off the knife switch and cause power failure. To solve the above problems, the inventor proposes a knife switch device for an isolator. Utility model content

[0005] To solve the problem of the connection between the knife switch and the conductive plate being exposed, causing a short circuit at the connection between the knife switch and the conductive plate, and not setting a corresponding line limiting structure, which can cause the connection line to fall off the knife switch and cause power failure after long-term use. The purpose of the utility model is to provide a knife switch device for an isolator.

[0006] To solve the above technical problems, the utility model discloses the following technical scheme: a disconnecting switch's knife switch device, including the mounting plate, the mounting plate top near the centre place symmetry detachable connection has the stand one and stand two, the stand one top fixedly connected with the mounting seat no.

[0007] Preferably, two the clamping plate opposite ends symmetry open two sets of limit grooves, the mounting box two sides end centre place symmetry open the square groove.

[0008] Preferably, the mounting box side wall between and with the sliding column at the same level rotatable connection has the pivot, the pivot outer circle near the centre place fixedly connected with the cam, and the cam with sliding column at the same level.

[0009] Preferably, the mounting box side end and near one side centre place rotatable connection has the rotary handle, and the pivot one end penetrates the mounting box with the rotary handle fixedly connected.

[0010] Preferably, the knife switch body one end fixedly connected with the insulating handle, the mounting seat no. top centre place fixedly connected with the conducting plate.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1, the utility model discloses a rotating knife switch body, then under the cooperation between the guard board one and the guard board two, realize the effect of protecting the connecting place of knife switch body and conducting plate, and further solve the problem that the connecting place of knife switch and conducting plate is exposed, so that the connecting place of knife switch and conducting plate can exist Short circuit problem;

[0013] 2, the utility model discloses a rotating rotary handle, then under the cooperation between the pivot and the cam and the sliding column, spring, clamping plate, and further solve the problem that the corresponding line limit structure is not set, and after using for a long time, the connecting line can cause power failure and fall off the knife switch. ACCURACY OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0015] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the mounting box of the present application.

[0017] Figure 3 It is a schematic diagram of the structure of the blade body of the present application.

[0018] Figure 4 It is a schematic diagram of the structure of the present application Figure 2 enlarged structure at A.

[0019] Figure 5 It is a schematic diagram of the structure of the present application Figure 3 enlarged structure at B.

[0020] In the figure: 1, mounting plate; 2, mounting box; 21, square groove; 22, sleeve; 23, sliding column; 24, spring; 25, clamping plate; 26, limiting groove; 27, rotating shaft; 28, cam; 3, vertical column one; 31, mounting seat one; 32, vertical plate; 33, guard plate one; 34, guard plate two; 4, vertical column two; 41, mounting seat two; 42, blade body; 43, insulating handle; 44, conductive plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0022] Embodiment: as Figures 1-5The utility model provides a technical scheme: a kind of isolator's knife switch device, including mounting plate 1, mounting plate 1 top end near center place symmetrical detachable connection has stand one 3 and stand two 4, stand one 3 top end fixedly connected with mounting seat one 31, mounting seat one 31 both sides end symmetrical fixedly connected with vertical board 32, two vertical boards 32 between and near top detachably inserted with baffle one 33, baffle one 33 inside and near two sides center place symmetrical detachably inserted with baffle two 34, stand two 4 top end fixedly connected with mounting seat two 41, mounting seat two 41 side wall rotationally connected with blade body 42, mounting plate 1 top end and near two sides center place symmetrical fixedly connected with installation box 2, the inner wall of installation box 2 and near one side center place symmetrical fixedly connected with sleeve 22, and two sleeves 22 are symmetrically distributed upside and down, two sleeves 22 opposite end symmetrical sliding insertion has sliding column 23, sliding column 23 far from the center of installation box 2 one end fixedly connected with spring 24, and spring 24 other end is fixedly connected with the inner wall of sleeve 22, and sliding column 23 side end fixedly connected with clamping plate 25.

[0023] Two clamping plates 25 opposite end symmetrical opening has two groups of limit slot 26.

[0024] By adopting the above technical scheme, two clamping plates 25 opposite end symmetrical opening limit slot 26 is to facilitate the location of cable.

[0025] The center of both sides of installation box 2 end symmetrical opening has square groove 21.

[0026] By adopting the above technical scheme, square groove 21 is set in the side end of installation box 2, to facilitate the cable through installation box 2.

[0027] Rotatably connected with rotating shaft 27 between the side wall of installation box 2 and at the same level as sliding column 23.

[0028] By adopting the above technical scheme, rotating shaft 27 is rotatably set between the side wall of installation box 2, to drive cam 28 to rotate.

[0029] Rotating shaft 27 outer circle near center fixedly connected with cam 28, and cam 28 is at the same level as sliding column 23.

[0030] By adopting the above technical scheme, cam 28 is set in the outer circle of rotating shaft 27, to drive cam 28 to rotate.

[0031] Rotatably connected with rotating handle in the side end of installation box 2 and near one side center, and one end of rotating shaft 27 penetrates installation box 2 and is fixedly connected with rotating handle.

[0032] By adopting the above technical scheme, rotating handle is set, to facilitate driving rotating shaft 27 to rotate, realize the effect that cam 28 rotates.

[0033] The insulating handle 43 is fixedly connected to one end of the blade body 42.

[0034] By adopting the above technical scheme, the insulating handle 43 is arranged at one end of the blade body 42, so as to prevent the staff from being electrocuted.

[0035] The conductive plate 44 is fixedly connected to the center of the top end of the mounting seat 31.

[0036] By adopting the above technical scheme, the conductive plate 44 is arranged at the top end of the mounting seat 31, so as to facilitate normal work of the device.

[0037] Working principle: when the device is used, after the blade body 42 is connected with the conductive plate 44 after being rotated, the first guard plate 33 is first inserted between the two vertical plates 32 and is limited, and then the two second guard plates 34 are inserted in the first guard plate 33, so that the blade body 42 and the conductive plate 44 are connected and protected between the first guard plate 33 and the second guard plate 34, thereby solving the problem that the connection part of the blade and the conductive plate 44 is exposed, and the connection part of the blade and the conductive plate 44 may be short-circuited.

[0038] By inserting the blade connection line into the mounting box 2, and making each line be at the two limiting grooves 26, then rotating the rotating handle, so that the fixedly connected rotating shaft 27 is rotated, thereby making the fixedly connected cam 28 rotate, so that the cam 28 is horizontally placed, at this time, the sliding column 23 does not abut against the cam 28 and moves under the action of the spring 24, thereby driving the two clamping plates 25 to move towards each other, so as to limit the wire harness, thereby solving the problem that no corresponding line limiting structure is arranged, and after being used for a long time, the connection line may be separated from the blade and cause power failure.

[0039] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technology, the present application also intends to include these modifications and variations.

Claims

1. A disconnector blade arrangement comprising a mounting plate (1), characterized in that: The mounting plate (1) top end near the center symmetrical detachable column one (3) and column two (4) are connected, the column one (3) top end fixedly connected with mounting seat one (31), the mounting seat one (31) both sides end symmetrical fixedly connected with the vertical plate (32), the two vertical plate (32) between and near the top detachably inserted with the guard plate one (33), the guard plate one (33) inside and near the both sides center symmetrical detachably inserted with the guard plate two (34), the column two (4) top end fixedly connected with mounting seat two (41), the mounting seat two (41) side wall rotationally connected with the shutter body (42), the mounting plate (1) top end and near the both sides center symmetrical fixedly connected with the installation box (2), the installation box (2) inner wall and near one side center symmetrical fixedly connected with the sleeve (22), and two sleeves (22) are symmetrically distributed above and below, two sleeve (22) opposite ends are symmetrically inserted with the sliding column (23), the sliding column (23) is fixedly connected with spring (24) away from the center of installation box (2) one end, and the other end of spring (24) is fixedly connected with the sleeve (22) inner wall, the sliding column (23) side end fixedly connected with the clamping plate (25).

2. A disconnector blade device according to claim 1, c h a r a c t e r i z e d in that Two clamping plates (25) opposite ends are symmetrically provided with two groups of limiting grooves (26).

3. A disconnector blade device according to claim 1, c h a r a c t e r i z e d in that The installation box (2) both sides end center symmetrical opening has square groove (21).

4. A disconnector blade device according to claim 1, c h a r a c t e r i z e d in that The installation box (2) side wall and the sliding column (23) are rotationally connected with the rotating shaft (27) at the same level.

5. A disconnector blade arrangement according to claim 4, c h a r a c t e r i z e d in that The rotating shaft (27) outer ring is fixedly connected with the cam (28) near the center, and the cam (28) is at the same level with the sliding column (23).

6. A disconnector blade arrangement according to claim 4, c h a r a c t e r i z e d in that The installation box (2) side end and near one side center rotationally connected with rotating handle, and one end of rotating shaft (27) penetrates installation box (2) and is fixedly connected with rotating handle.

7. A disconnector blade device according to claim 1, c h a r a c t e r i z e d in that The shutter body (42) one end is fixedly connected with the insulating handle (43).

8. A disconnector blade device according to claim 1, c h a r a c t e r i z e d in that The mounting seat one (31) top end center fixedly connected with the conductive plate (44).

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