CN-121983870-A - Insulation shielding device for overhauling fuse

Abstract

The invention discloses an insulating shielding device for overhauling a fuse, which comprises an insulating cover body, a supporting rod, a stop rod, at least two connecting sliding grooves and a clamping structure, wherein an insulating barrel is formed by outwards protruding one side wall of the insulating cover body, the stop rod is rotatably arranged on one side of the front surface of the insulating cover body and matched with the supporting rod on the other side of the front surface of the insulating cover body to limit the fuse on the inner side of the insulating cover body, the at least two connecting sliding grooves are symmetrically arranged on the inner side wall of the insulating cover body, and the clamping structure is provided with the stop rod, the supporting rod, the connecting sliding grooves and the clamping structure, so that the insulating cover body and the fuse are conveniently and stably connected in different modes.

Inventors

• ZHANG XU
• HE PINGPING
• CHEN JINDA
• ZHOU ZHIBO
• SUN LIN
• LIU ENLIN
• CHEN GUOBAO
• WANG QUN
• XU XIN
• LU BOSHUN
• FANG MING
• FENG YONGHENG
• XIAO YUTING

Assignees

• 国网安徽省电力有限公司滁州市城郊供电公司

Dates

Publication Date

20260505

Application Date

20251223

Claims (10)

1. 1. An insulating shielding device for overhauling a fuse, comprising: An insulating cover body (1), wherein an insulating barrel (2) is formed by outwards protruding one side wall of the insulating cover body (1); A strut (5); The stop lever (6) is rotatably arranged on one side of the front surface of the insulating cover body (1) and is matched with a supporting rod (5) on the other side of the front surface of the insulating cover body (1) to limit a fuse on the inner side of the insulating cover body (1); At least two connecting sliding grooves (3) symmetrically arranged on the inner side wall of the insulating cover body (1); The clamping structure (4) is arranged between the two connecting sliding grooves (3) in a sliding manner so as to tightly hold and fix the fuse placed on the inner side of the insulating cover body (1); The installation block (7) is fixed on the lower surface of the insulating barrel (2), and the inner side of the installation block (7) is connected with the connecting cylinder (8) through the rotation adjusting structure, so that the installation block is matched with an external insulating rod through the connecting cylinder (8).
2. 2. The insulation shielding device for overhauling a fuse as set forth in claim 1, wherein the clamping structure (4) comprises a connecting sliding block (41) and a clamping ring (42), the connecting sliding block (41) is slidably mounted on the inner side of the connecting sliding groove (3), a baffle plate (43) is rotatably mounted on one side of the connecting sliding block (41), a clamping spring (44) matched with the connecting sliding block (41) is arranged on one side of the baffle plate (43), and the clamping ring (42) is integrally formed at one end of the baffle plate (43).
3. 3. An insulating shielding device for overhauling a fuse as defined in claim 2, wherein a chute is formed on the inner side of said baffle plate (43) along one long side thereof, and a guide bolt (45) is provided on the inner side of said chute to be engaged with the other baffle plate (43).
4. 4. The insulation shielding device for overhauling a fuse as set forth in claim 2, wherein the clamping ring (42) is arc-shaped, and the clamping ring (42) is provided with two parts, and the two parts of the clamping ring (42) are symmetrically distributed.
5. 5. The insulation shielding device for overhauling a fuse according to claim 1, wherein the rotation adjusting structure comprises a rotating rod (91), a tooth block (93) and a reset spring (95), the rotating rod (91) is rotatably installed in the middle of the inner side of the installation block (7), one end of the connecting cylinder (8) is fixedly provided with a connecting block (10) which is rotatably matched with the rotating rod (91), the tooth block (93) and the reset spring (95) are sequentially sleeved on the outer surface of the rotating rod (91) along the axial direction of the connecting block, a first tooth groove (92) matched with the tooth block (93) is formed in the inner side of the installation block (7), and a second tooth groove for sliding the tooth block (93) is formed in one end of the inner side of the connecting block (10).
6. 6. The insulation shielding device for overhauling a fuse as recited in claim 5, wherein one end of the rotating rod (91) is connected with a limit screw head (94) through a threaded part.
7. 7. The insulation shielding device for overhauling a fuse, as set forth in claim 1, characterized in that a slot (12) for inserting the end of the insulation rod is provided on the outer surface of the connecting cylinder (8) along the axial direction, one end of the slot (12) is connected with a limit slot (11) through a transverse slot, and two ends of the limit slot (11) are closed curves to limit the separation of the end of the insulation rod after insertion.
8. 8. The insulation shielding device for overhauling a fuse, as set forth in claim 1, wherein a positioning groove (13) for positioning the end of the insulation rod is arranged on the inner side of the connecting cylinder (8) corresponding to the connecting block (10), and a rib plate is arranged on the positioning groove (13) along the circumferential direction of the positioning groove.
9. 9. The insulation shielding device for overhauling a fuse as set forth in claim 1, wherein a first protection cover (14) is fixed at the top end of the insulation cover body (1), and a second protection cover (15) is rotatably installed on the inner side of the first protection cover (14).
10. 10. The insulation shielding device for overhauling a fuse as set forth in claim 1, wherein the stop lever (6) is arranged at two positions, and the two stop levers (6) are distributed at two sides of one end of the insulation barrel (2).

Description

Insulation shielding device for overhauling fuse Technical Field The invention particularly relates to an insulating shielding device for overhauling a fuse. Background In a power distribution network system, a 10 kilovolt drop-out fuse is a common overload and short-circuit protection device, and the running state of the 10 kilovolt drop-out fuse is directly related to the reliability and safety of power supply. In daily operation, the fuse needs to be overhauled and maintained in time due to equipment aging, external damage or environmental factors. However, since the upper pile head still has 10 kv high voltage, a safe distance between an operator and a live part must be ensured in the maintenance process, otherwise, an electric shock accident is very easy to be caused, at present, in order to realize maintenance of the fuse under the condition of continuous power failure, various insulating shielding covers have been developed in the industry, for example, patent publication No. CN216849545U proposes an insulating protective cover and an installation tool for a live installation transformer, and multi-angle installation is realized through a C-shaped chuck and a supporting rod. The existing insulating shielding cover is fixed in a manual installation mode, the fixing mode is complex, the insulating shielding cover is fixed only in a single mode, after the fixing is failed, the insulating shielding cover is easy to fall off from a fuse, the high-voltage fuse can cause harm to the surrounding environment, the insulating shielding cover falling off from a high position can crush ground surface objects, the safety is low, the insulating shielding cover and the fuse are not convenient to be connected and fixed quickly and stably, in addition, the insulating operation rod and the shielding cover are connected in a slot mode, the angle between the insulating rod and the shielding cover is inconvenient to adjust when the fuse position faces the complex environment, and therefore, the insulating shielding device for overhauling the fuse is provided. Disclosure of Invention The invention aims to provide an insulation shielding device for overhauling a fuse, which solves the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme that the insulation shielding device for overhauling the fuse comprises the following components: the insulation cover comprises an insulation cover body, wherein an insulation barrel is formed by outwards protruding one side wall of the insulation cover body; A support rod; The stop lever is rotatably arranged on one side of the front surface of the insulating cover body and is matched with a supporting rod on the other side of the front surface of the insulating cover body to limit the fuse on the inner side of the insulating cover body; At least two connecting sliding grooves symmetrically arranged on the inner side wall of the insulating cover body; the clamping structure is arranged between the two connecting sliding grooves in a sliding manner so as to tightly hold and fix the fuse placed on the inner side of the insulating cover body; the installation piece is fixed in insulating bucket lower surface, just the installation piece inboard is connected with the connecting cylinder through rotating adjusting structure, in order when the installation, through connecting cylinder cooperatees with outside insulator spindle. Preferably, the clamping structure comprises a connecting slide block and a clamping ring, the connecting slide block is slidably mounted on the inner side of the connecting slide groove, a baffle is rotatably mounted on one side of the connecting slide block, a clamping spring matched with the connecting slide block is arranged on one side of the baffle, and the clamping ring is integrally formed at one end of the baffle. Preferably, a chute is formed in the inner side of the baffle along one long edge of the baffle, and a guide bolt matched with the other baffle is arranged in the inner side of the chute. Preferably, the clamping ring is arc-shaped, and the clamping ring is provided with two parts, and the two parts are symmetrically distributed. Preferably, the rotation adjusting structure comprises a rotating rod, a tooth block and a reset spring, the rotating rod is rotationally arranged in the middle of the inner side of the mounting block, one end of the connecting cylinder is fixedly provided with a connecting block which is rotationally matched with the rotating rod, the outer surface of the rotating rod is sequentially sleeved with the tooth block and the reset spring along the axial direction of the rotating rod, a first tooth slot matched with the tooth block is formed in the inner side of the mounting block, and a second tooth slot for sliding the tooth block is formed in one end of the inner side of the connecting block. Preferably, one end of the rotating rod is connected with a limit