Outdoor 35kv disconnecting link pole-mounted disconnecting switch

Abstract

The utility model discloses an outdoor 35kv disconnecting link pole-mounted disconnecting switch, which comprises a platform support, a ceramic insulating cylinder is arranged on the platform support, paired electric connection studs are arranged on the ceramic insulating cylinder, paired hooks are arranged on one sides of the electric connection studs, a conductive block is arranged on a conductive plate, and the conductive plate is provided with a plurality of hooks. A knife switch conductive frame is arranged between the conductive plates, and the knife switch is characterized in that a shielding assembly is arranged on the top side of the knife switch conductive frame, and one end of the knife switch conductive frame is hinged to the hook through a pin shaft assembly. The disconnecting link conductive frame can be well protected and prevented from being contaminated, and through the arrangement of the rotating shaft, the middle shaft, the hook, the inner hole and the spacing cavity, when the disconnecting link conductive frame is arranged in the hook through the rotating shaft in a hinged mode, the installation convenience degree of the disconnecting link conductive frame is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of disconnectors on knife gate columns, in particular to an outdoor 35kv disconnector on knife gate columns. Background Art

[0002] The isolating switch generally installed on the pole is a knife switch without grounding function. The problem of the existing knife switch is that the conductive part is not equipped with a protective device, and it is easily corroded by nature when placed outdoors, resulting in stolen goods or damage, which increases the frequency of maintenance of the knife switch. People have conducted a lot of research on this.

[0003] For example: the Chinese patent document "A high-voltage isolating switch knife switch" with application number CN202121168334.1 includes a base, and insulating columns are fixedly connected to the left and right sides of the top of the base, and the tops of the insulating columns are fixedly connected to the mounting seat through the second fastener, and the inner side of the top of the mounting seat is fixedly connected to the knife switch body through the first fastener, and the knife switch body includes a base layer, and the top of the base layer is provided with a first functional layer. The utility model is provided with a first functional layer on the top of the base layer, and the stainless steel layer and the ultra-high strength steel layer included in the first functional layer have the characteristics of corrosion resistance and wear resistance, and have good electrical conductivity, and a second functional layer is provided at the bottom of the base layer, and the carbon steel layer and the manganese steel layer included in the second functional layer also have the characteristics of corrosion resistance and wear resistance, and have good electrical conductivity, thereby achieving the purpose of long service life and solving the problem that the existing high-voltage isolating switch knife switches have a short service life and cannot meet people's use needs.

[0004] It can be seen that in the above-mentioned prior art, the conductive part of the knife switch is not fully protected and is easily corroded by the natural environment. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide an outdoor 35kv knife switch column-mounted isolating switch, which can solve the above-mentioned problems in the existing technology.

[0006] The utility model is realized through the following technical scheme: an outdoor 35kv knife switch column-mounted isolating switch of the utility model comprises a platform bracket, a ceramic insulating cylinder is arranged on the platform bracket, a pair of electrical connection studs are arranged on the ceramic insulating cylinder, a pair of curved hooks are arranged on one side of the electrical connection studs, a conductive block is arranged on the conductive plate, a knife switch conductive frame is arranged between the conductive plates, and is characterized in that a shielding assembly is arranged on the top side of the knife switch conductive frame, and one end of the knife switch conductive frame is hinged to the curved hook through a pin shaft assembly.

[0007] According to a further technical solution, a pair of pull rings are provided at the left end portion and the right interior of the knife switch conductive frame, and pull ring inner holes are provided in the pull rings.

[0008] According to a further technical solution, the shielding assembly includes mounting seats arranged on both sides of the knife switch conductive frame, the mounting seats are fixed to the knife switch conductive frame, a cover is arranged on the top of the mounting seat, and an inclined structure is arranged on the bottom of the cover.

[0009] According to a further technical solution, the tilting structure includes an inner cavity arranged inside the cover, and a guide inclined surface is arranged in the inner cavity.

[0010] A further technical solution is that the pin shaft assembly includes a rotating shaft arranged in the conductive frame of the knife switch, the outer surface of the rotating shaft is provided with an intermediate shaft located in the bent hook, the bent hook is provided with an inner hole, a spacer cavity is provided on one side of the inner hole, and the rotating shaft is rotatably connected with the inner hole.

[0011] According to a further technical solution, the knife switch conductive frame and the intermediate shaft are arranged at an inclination.

[0012] According to a further technical solution, the diameter of the intermediate shaft is the same as that of the inner hole, grooves are provided at both ends of the intermediate shaft, and the thickness of the intermediate shaft between the grooves is the same as the width of the spacer cavity.

[0013] The beneficial effects of the utility model are:

[0014] 1. The front and rear sides of the cover are provided with inclined surfaces inclined toward the front and rear lower sides, and the inner cavity inside the cover is provided with guide inclined surfaces, and the guide inclined surfaces are inclined toward the upper left and upper right respectively, so that the knife switch can guide rainwater out of the cover when it is installed upward or downward, thereby playing the function of shielding rain and avoiding rainwater retention.

[0015] 2. Through the specific structural arrangement of the intermediate shaft, rotating shaft, spacer cavity, inner hole and hook, the rotating shaft and the intermediate shaft can be released from the rotational cooperation connection with the inner hole only after being rotated to a certain angle, which is convenient for personnel to disassemble and install, and will not reduce the rotational performance of the opening and closing of the knife switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] For ease of explanation, the present invention is described in detail by the following specific embodiments and drawings.

[0017] Figure 1 This is a schematic diagram of the overall structure of an outdoor 35kv knife switch column-mounted isolating switch of the utility model;

[0018] Figure 2 for Figure 1 The front view structural diagram of the middle isolating switch;

[0019] Figure 3 for Figure 2 Schematic diagram at A in the middle;

[0020] Figure 4 for Figure 1 Schematic diagram of the internal structure of the isolating switch;

[0021] Figure 5 for Figure 1 A schematic diagram of the structure of the middle cover when viewed from above;

[0022] In the figure, a cover 11, a hook 12, an electrical connection stud 13, a conductive plate 14, a ceramic insulating tube 15, a platform bracket 16, an intermediate shaft 21, an inner hole 23, a spacer cavity 24, a rotating shaft 25, a knife switch conductive frame 31, a conductive block 32, a mounting seat 33, a pull ring 34, a pull ring inner hole 35, a guide slope 41, and an inner cavity 42. DETAILED DESCRIPTION

[0023] like Figure 1-Figure 5 As shown, the utility model is described in detail. For the convenience of description, the directions mentioned below are defined as follows: the up, down, left, right, front and back directions mentioned below are Figure 1 The up-down, left-right, front-back directions of the projection relationship are consistent. The utility model is an outdoor 35kv knife switch column-mounted isolating switch, comprising a platform bracket 16, a ceramic insulating cylinder 15 is arranged on the platform bracket 16, a pair of electrical connection studs 13 are arranged on the ceramic insulating cylinder 15, a pair of bent hooks 12 are arranged on one side of the electrical connection studs 13, a conductive block 32 is arranged on the conductive plate 14, and a knife switch device is arranged between the conductive plates 14.

[0024] Advantageously, the knife switch device includes a knife switch conductive frame 31, a shielding assembly is arranged on the top side of the knife switch conductive frame 31, one end of the knife switch conductive frame 31 is hinged to the hook 12 through a pin assembly, and the knife switch conductive frame 31 is in contact with the conductive block 32 for electrical connection after flipping.

[0025] Advantageously, a pair of pull rings 34 are provided at the left end portion and the right inner portion of the knife switch conductive frame 31 , and a pull ring inner hole 35 is provided in the pull ring 34 .

[0026] Advantageously, the shielding assembly includes a mounting seat 33 arranged on both sides of the knife switch conductive frame 31, the mounting seat 33 is fixed to the knife switch conductive frame 31, a cover 11 is arranged on the top of the mounting seat 33, the mounting seat 33 and the cover 11 are made of ceramic material, an inclined structure is arranged at the bottom of the cover 11, and the front and rear sides of the cover 11 are arranged with inclined surfaces inclined toward the front and rear lower sides.

[0027] Advantageously, the inclined structure includes an inner cavity 42 disposed inside the cover 11 , and an inclined guide surface 41 is disposed inside the inner cavity 42 , and the inclined guide surface 41 is inclined toward the upper left and the upper right, respectively.

[0028] Advantageously, the pin assembly includes a rotating shaft 25 arranged in the knife switch conductive frame 31, the outer surface of the rotating shaft 25 is provided with an intermediate shaft 21 located in the curved hook 12, the curved hook 12 is provided with an inner hole 23, and a spacer cavity 24 is provided on one side of the inner hole 23, and the rotating shaft 25 is rotatably connected with the inner hole 23.

[0029] Advantageously, the portion between the knife switch conductive frame 31 and the groove in the intermediate shaft 21 is arranged at an angle, so that when the knife switch conductive frame 31 is placed horizontally, an angle is arranged between the intermediate shaft 21 and the horizontal line.

[0030] Advantageously, the diameter of the intermediate shaft 21 is the same as that of the inner hole 23 , and grooves are provided at both ends of the intermediate shaft 21 , so that the thickness of the intermediate shaft 21 between the grooves is the same as the width of the spacer cavity 24 .

[0031] The knife switch can provide a good protective effect on the knife switch conductive frame 31 by arranging the cover 11 on the outside of the knife switch conductive frame 31 to prevent the knife switch conductive frame 31 from being dirty, and by arranging the structure of the rotating shaft 25, the intermediate shaft 21, the curved hook 12, the inner hole 23 and the spacer cavity 24, when the knife switch conductive frame 31 is hingedly arranged in the curved hook 12 through the rotating shaft 25, its installation convenience is improved.

[0032] When the knife switch is opened, the knife switch conductive frame 31 can be swung around the rotating shaft 25 by pulling the inner hole 35 of the pull ring 34 with a tool to achieve the disengagement of the knife switch conductive frame 31 and the conductive block 32 to achieve disconnection.

[0033] When the knife switch conductive frame 31 and the rotating shaft 25 are removed from the hook 12, it is necessary to rotate the knife switch conductive frame 31 and the intermediate shaft 21 so that the intermediate shaft 21 and the spacing cavity 24 are in a facing state, so that the two end plane parts of the intermediate shaft 21 can be just flush with the spacing cavity 24. Thereafter, the knife switch conductive frame 31 and the rotating shaft 25 are slid to pull the intermediate shaft 21 out of the inner hole 23, and then pass through the spacing cavity 24, so that the intermediate shaft 21 and the rotating shaft 25 can be completely separated from the hook 12, and the knife switch conductive frame 31 and the rotating shaft 25 can be removed.

[0034] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. An outdoor 35kv knife switch column disconnector, comprising a platform bracket (16), a ceramic insulating cylinder (15) is arranged on the platform bracket (16), a pair of electrical connection studs (13) are arranged on the ceramic insulating cylinder (15), a conductive plate (14) is arranged on the lower side of the electrical connection studs (13), a pair of hooks (12) are arranged on one side of the electrical connection studs (13), a conductive block (32) is arranged on the conductive plate (14), and a knife switch conductive frame (31) is arranged between the conductive plates (14), characterized in that: A shielding component is arranged on the top side of the knife switch conductive frame (31), and one end of the knife switch conductive frame (31) is hinged to the hook (12) via a pin shaft component.

2. An outdoor 35kv knife gate column-mounted isolating switch according to claim 1, characterized in that: A pair of pull rings (34) are arranged at the left end and the right interior of the knife switch conductive frame (31), and a pull ring inner hole (35) is arranged in the pull ring (34).

3. The outdoor 35kv knife-type column-mounted isolating switch according to claim 1 is characterized in that: The shielding assembly comprises mounting seats (33) arranged on both sides of the knife switch conductive frame (31), the mounting seats (33) being fixed to the knife switch conductive frame (31), a cover (11) being arranged on the top of the mounting seats (33), and an inclined structure being arranged on the bottom of the cover (11).

4. The outdoor 35kv knife-type column-mounted isolating switch according to claim 3 is characterized in that: The inclined structure comprises an inner cavity (42) arranged inside the cover (11), and a guide inclined surface (41) is arranged inside the inner cavity (42).

5. The outdoor 35kv knife gate column-mounted isolating switch according to claim 1 is characterized in that: The pin shaft assembly comprises a rotating shaft (25) arranged in the knife switch conductive frame (31); the outer surface of the rotating shaft (25) is provided with an intermediate shaft (21) located in the curved hook (12); an inner hole (23) is provided in the curved hook (12); a spacer cavity (24) is provided on one side of the inner hole (23); and the rotating shaft (25) is rotatably matched with the inner hole (23).

6. An outdoor 35kv knife-type column-mounted isolating switch according to claim 5, characterized in that: The diameter of the intermediate shaft (21) is the same as that of the inner hole (23), and grooves are provided at both ends of the intermediate shaft (21). The thickness of the intermediate shaft (21) between the grooves is the same as the width of the spacer cavity (24).

7. An outdoor 35kv knife-type column-mounted isolating switch according to claim 6, characterized in that: The portion between the knife switch conductive frame (31) and the groove of the intermediate shaft (21) is arranged in an inclined manner.

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