An insulating baffle for replacing a lead on a phase in a knife switch for live-line work and a mounting method

Abstract

The application discloses an insulating baffle for replacing a leading wire on a phase in a live working knife switch and a mounting method. The insulating baffle for replacing the leading wire on the phase in the live working knife switch comprises a middle-phase knife switch shielding cover, a middle-phase strain insulator shielding cover, a first side-phase insulating assembly, a second side-phase insulating assembly and a moving contact shielding cover. The middle-phase strain insulator shielding cover is arranged above the middle-phase knife switch shielding cover. The first side-phase insulating assembly comprises a first insulating baffle, a second insulating baffle and a third insulating baffle which are sequentially connected, and the first insulating baffle, the second insulating baffle and the third insulating baffle are arranged on one side of the middle-phase knife switch shielding cover. The second side-phase insulating assembly comprises a fourth insulating baffle, a fifth insulating baffle and a sixth insulating baffle which are sequentially connected, and the fourth insulating baffle, the fifth insulating baffle and the sixth insulating baffle are arranged on the other side of the middle-phase knife switch shielding cover. The moving contact shielding cover is arranged below the middle-phase knife switch shielding cover. The mounting method is based on the insulating baffle.

Description

Technical Field

[0001] The present invention relates to the technical field of live working, in particular to an insulating baffle and an installation method for replacing a phase upper lead in a knife switch during live working. Background Art

[0002] Insulating barriers are a crucial safety tool during 10kV live work. Their primary function is to provide a safe isolation barrier to prevent workers from accidentally coming into contact with live parts during operation. When safe distances cannot be adequately maintained at the work site, insulating barriers effectively shield live parts, enhancing the insulation strength of the work area and significantly reducing the risk of electric shock. Furthermore, insulating barriers help maintain the insulation performance of the entire work environment, ensuring that live work can proceed safely and smoothly.

[0003] However, in the current 10kV live working practice, especially in the process of replacing the upper phase lead of the knife switch, there are some obvious problems and shortcomings in the use of insulation shielding equipment. First, there is a lack of special insulating shielding equipment. At present, special insulating shielding equipment has not been developed for the specific operation scenario of replacing the upper phase lead of the knife switch during 10kV live operation. Operators usually need to use soft shielding equipment such as insulating blankets for shielding in actual operations. This method not only has a large workload, but also takes a long time to operate, which seriously affects the operation efficiency; second, the applicability of hard insulating baffles is insufficient. Although other equipment uses hard insulating baffles, these baffles are designed according to the specific external dimensions of the corresponding equipment, and therefore cannot meet the specific needs of replacing the upper phase lead of the knife switch; third, there is the challenge of redesigning the insulating shielding equipment. During the design process, multiple factors need to be considered comprehensively, including safety (ensuring that workers are protected from risks such as electric shock), ease of operation (easy to install and disassemble quickly and accurately), and service life (able to withstand the test of long-term use). These factors increase the difficulty and complexity of redesigning the insulating shielding equipment. Summary of the Invention

[0004] The purpose of the present invention is to provide an insulating baffle and installation method for replacing the upper lead of a phase in a knife switch during live operation, so as to solve at least one of the problems mentioned in the above background technology, namely, the lack of special insulating shielding equipment, the insufficient applicability of existing hard insulating baffles, and the difficulty and complexity of redesigning the insulating shielding equipment.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] An insulating baffle for replacing the upper lead of a phase in a knife switch during live operation, comprising:

[0007] Middle phase knife switch shielding cover, used for insulating and shielding the middle phase knife switch at one end of the middle phase upper lead;

[0008] A middle phase tension insulator shielding cover, which is arranged above the middle phase switch shielding cover and is used to insulate and shield the middle phase tension insulator and the middle phase tension clamp at the other end of the middle phase upper lead;

[0009] A first side phase insulation assembly, the first side phase insulation assembly comprising a first insulating baffle, a second insulating baffle, and a third insulating baffle connected in sequence, the first insulating baffle, the second insulating baffle, and the third insulating baffle being arranged on one side of the middle phase knife switch shielding cover, and being used for insulating and shielding the first side phase knife switch, the first side phase upper lead, the first side phase tension clamp, and the first side phase tension insulator on one side of the middle phase upper lead;

[0010] a second side-phase insulation assembly, the second side-phase insulation assembly comprising a fourth insulation baffle, a fifth insulation baffle, and a sixth insulation baffle connected in sequence, the fourth insulation baffle, the fifth insulation baffle, and the sixth insulation baffle being arranged on the other side of the middle-phase knife switch shielding cover, and being used for insulating and shielding the second side-phase knife switch, the second side-phase upper lead, the second side-phase tension clamp, and the second side-phase tension insulator on the other side of the middle-phase upper lead;

[0011] The moving contact shielding cover is arranged below the middle phase knife switch shielding cover and is used for insulating and shielding the first side phase knife switch moving contact, the second side phase knife switch moving contact and the middle phase knife switch moving contact.

[0012] Optionally, the first insulating baffle, the second insulating baffle, the third insulating baffle, the fourth insulating baffle, the fifth insulating baffle and the sixth insulating baffle are all provided with a first adjustment lock, a second adjustment lock and a locking mechanism, the first adjustment lock and the second adjustment lock are spaced apart, and the locking mechanism is passed through the first adjustment lock and the second adjustment lock.

[0013] Optionally, the locking mechanism includes a support rod, a cross-arm clamping hook, a handle and a clamping block, the support rod is passed through the first adjustment lock buckle and the second adjustment lock buckle, the support rod is provided with a first through hole extending along the axial direction of the support rod, the cross-arm clamping hook is provided with a through slot, and a second through hole is provided on one side wall of the through slot, one end of the support rod is passed through the second through hole, the handle is movably passed through the first through hole and the second through hole, the handle is threadedly connected to the support rod, one end of the handle is provided in the through slot, the clamping block is provided in the through slot, one end of the clamping block is rotatably connected to one end of the handle, and the other end of the clamping block is provided with a groove.

[0014] Optionally, a protrusion extending inward is provided on the other side wall of the through slot, a second screw hole is provided on the protrusion, a first bolt is passed through the second screw hole, and a fastening end of the first bolt is provided in the through slot.

[0015] Optionally, the first adjustment lock and the second adjustment lock have the same structure and both include a lower clamp block, an upper clamp block, a second bolt and a third bolt. The first insulating baffle, the second insulating baffle, the third insulating baffle, the fourth insulating baffle, the fifth insulating baffle and the sixth insulating baffle are all provided with the lower clamp block, the lower clamp block is provided with a first mounting groove, and the two opposite side walls of the first mounting groove are provided with a third screw hole and a fourth screw hole. The upper clamp block is provided with a second mounting groove, and the two opposite side walls of the second mounting groove are provided with a first through hole and a second through hole. The second bolt is passed through the first through hole and the third screw hole, and the third bolt is passed through the second through hole and the fourth screw hole. The locking mechanism is passed through the first mounting groove, the second mounting groove, the second bolt and the third bolt.

[0016] Optionally, it also includes a guard plate and a handle. The guard plate is provided on the side of the first insulating baffle, the second insulating baffle, the third insulating baffle, the fourth insulating baffle, the fifth insulating baffle and the sixth insulating baffle away from the middle phase knife switch shielding cover, and the handle is provided on the side of the first insulating baffle, the second insulating baffle, the third insulating baffle, the fourth insulating baffle, the fifth insulating baffle and the sixth insulating baffle close to the middle phase knife switch shielding cover.

[0017] Optionally, the moving contact shielding cover includes a first cover body, a second cover body and a third cover body. The first cover body, the second cover body and the third cover body have the same structure and all include a main body and a plurality of elastic sheets. A first shielding groove is provided in the main body, and the plurality of elastic sheets are arranged in sequence on the inner peripheral side wall of the first shielding groove.

[0018] Optionally, a second shielding groove is provided in the shielding cover of the middle phase knife switch, and through holes and connecting grooves are provided on two opposite side surfaces of the second shielding groove, and a latch is provided on the through hole.

[0019] Optionally, the middle-phase tension insulator shielding cover includes a first shielding cover and a second shielding cover, the first shielding cover is a soft shielding cover, the second shielding cover is a hard shielding cover, a third shielding groove is provided in the second shielding cover, and the first shielding cover is provided in the third shielding groove.

[0020] A method for installing an insulating baffle for replacing an upper phase lead in a knife switch during live working, based on the method for replacing an upper phase lead in a knife switch during live working provided in any of the above embodiments, comprising:

[0021] The movable contact shielding cover is provided on the movable contact of the first side phase knife switch, the movable contact of the second side phase knife switch and the movable contact of the middle phase knife switch;

[0022] The middle phase knife switch shielding cover is arranged on the middle phase knife switch, the first insulating baffle is arranged on the side of the first side phase knife switch close to the middle phase upper lead, and the fourth insulating baffle is arranged on the side of the second side phase knife switch close to the middle phase upper lead;

[0023] The second insulating baffle is arranged on the side of the first side phase upper lead close to the middle phase upper lead, and the fifth insulating baffle is arranged on the side of the second side phase upper lead close to the middle phase upper lead;

[0024] The third insulating baffle is arranged on the side of the first side phase tension clamp and the first side phase tension insulator close to the middle phase upper lead, and the sixth insulating baffle is arranged on the side of the second side phase tension clamp and the second side phase tension insulator close to the middle phase upper lead;

[0025] The middle phase tension insulator shielding cover is arranged on the middle phase tension clamp and the middle phase tension insulator;

[0026] Among them, the positions of the first insulating baffle, the second insulating baffle, the third insulating baffle, the fourth insulating baffle, the fifth insulating baffle and the sixth insulating baffle are adjusted so that the first insulating baffle, the second insulating baffle and the third insulating baffle are connected in sequence, and the fourth insulating baffle, the fifth insulating baffle and the sixth insulating baffle are connected in sequence.

[0027] The beneficial effects of the present application are: the live working replaces the insulating baffle of the lead on the phase in the knife switch, solves the technical problems of lack of special insulating shielding tools in the prior art, insufficient applicability of existing hard insulating baffles, difficulty and complexity of redesigning insulating shielding tools, and achieves beneficial effects: 1) the moving contact shielding cover, the middle phase knife switch shielding cover, the middle phase strain insulator shielding cover, the first side phase insulating assembly and the second side phase insulating assembly are combined to realize comprehensive and accurate insulation shielding of the key components around the middle phase lead, improve the safety of live working, and reduce the operation risk caused by accidental contact or arc discharge; 2) the first adjusting lock, the second adjusting lock and the locking mechanism are used to make the insulating baffle flexible to adjust according to the actual installation environment, ensure the shielding effect, and improve the convenience and adaptability of installation; 3) through the cooperative action of the supporting rod, the cross arm clamping hook, the handle and the clamping block, the stable fixation of the insulating baffle is realized, and the safety of the operation is further enhanced; 4) the setting of the guard plate and the handle makes it more convenient for the operator to carry, install and maintain the insulating baffle, improves the work efficiency, and also reduces the labor intensity of the operator; 5) through the layout of the main body and the plurality of elastic sheets, the fine shielding of the moving contact is realized, the installation efficiency is improved, and potential risks such as arc discharge are effectively prevented; 6) through the second shielding groove and the latch, the installation is facilitated, and at the same time, the middle phase lead is prevented from popping out during replacement; 7) the soft shielding cover and the hard shielding cover are combined to shield the middle phase strain insulator and the strain clamp, which not only ensures the shielding effect, but also improves the flexibility of use.

[0028] The beneficial effects of the present invention are as follows: the installation method of the insulating baffle for the upper lead of the middle phase of the knife switch during live operation of the present invention solves the technical problems in the prior art such as the lack of special insulating shielding tools, the insufficient applicability of the existing hard insulating baffles, and the difficulty and complexity of redesigning the insulating shielding tools, and achieves the following beneficial effects: 1) By installing the moving contact shielding cover, the middle phase knife switch shielding cover, the middle phase tension insulator shielding cover and the insulating baffles of the side phases in place in sequence, it can closely fit the specific needs of the operation site, and realize comprehensive, efficient and precise insulation protection of the key components around the upper lead of the middle phase, reduce the risk of electric shock during live operation, and ensure the safety of the operators; 2) the position of each insulating baffle is adjusted to ensure that they can be connected in sequence and fit tightly to the components to be shielded, which not only improves the flexibility of the insulating baffle, so that it can adapt to knife switches and lead layouts of different shapes and sizes, but also enhances the overall stability and reliability; 3) through clear installation steps, the method simplifies the complex process of replacing the upper lead of the middle phase of the knife switch during live operation, and makes it easier to install. Workers only need to install each component one by one according to the established steps to quickly and accurately complete the setting of the insulating baffles, which not only improves work efficiency, but also reduces safety hazards caused by improper operation or omission of steps; 4) Through special insulating baffles and shielding covers, the insulation strength of the working area can be significantly enhanced, effectively preventing workers from accidentally contacting live parts during work, which not only reduces the risk of electric shock, but also improves the safety of the entire work process; 5) Through standardized and modular design, each insulating baffle and shielding cover can be easily disassembled and replaced, which is convenient for subsequent maintenance and inspection work. At the same time, this design also makes it convenient for workers to monitor and manage the status of the insulating baffles in real time to ensure its safety and reliability in long-term operation; 6) This installation method significantly improves the safety of live work to replace the upper lead of the knife switch by providing comprehensive and efficient insulation protection, flexible adaptability and simplified work procedures, which not only ensures the life safety of workers, but also reduces the risk of equipment damage and power outages caused by accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The drawings in the specification, which constitute a part of this application, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0030] Figure 1 This is an assembly diagram of an insulating baffle for replacing an upper phase lead in a knife switch during live working according to an embodiment of the present invention;

[0031] Figure 2 3. This is a front view of an insulating baffle for replacing an upper lead wire in a phase of a knife switch during live working according to an embodiment of the present invention;

[0032] Figure 3This is a perspective view of a locking mechanism for an insulating baffle for replacing an upper phase lead in a knife switch during live operation according to an embodiment of the present invention;

[0033] Figure 4 1. A top view of a locking mechanism for an insulating baffle for replacing an upper phase lead in a knife switch during live working according to an embodiment of the present invention;

[0034] Figure 5 3D diagram of a first insulating baffle for replacing an upper phase lead of a knife switch during live working according to an embodiment of the present invention;

[0035] Figure 6 3D diagram of a second insulating baffle for replacing an insulating baffle of an upper phase lead in a knife switch during live working according to an embodiment of the present invention;

[0036] Figure 7 3D diagram of a third insulating baffle for replacing an upper phase lead of a knife switch during live working according to an embodiment of the present invention;

[0037] Figure 8 3D diagram of a fourth insulating baffle for replacing an upper phase lead of a knife switch during live working according to an embodiment of the present invention;

[0038] Figure 9 3D diagram of a fifth insulating baffle for replacing an upper phase lead of a knife switch during live working according to an embodiment of the present invention;

[0039] Figure 10 3D diagram of a sixth insulating baffle for replacing an upper phase lead of a knife switch during live working according to an embodiment of the present invention;

[0040] Figure 11 This is a perspective view of a third cover body of an insulating baffle for replacing an upper lead wire in a phase of a knife switch during live working according to an embodiment of the present invention;

[0041] Figure 12 3D diagram of the second cover of the insulating baffle for replacing the upper lead of a phase in a knife switch during live working according to an embodiment of the present invention;

[0042] Figure 13 This is a three-dimensional diagram of a middle-phase switch shielding cover for replacing an insulating baffle of a middle-phase upper lead of a switch during live operation according to an embodiment of the present invention;

[0043] Among them, 1. middle phase knife switch shielding cover; 2. middle phase tension insulator shielding cover; 3. first side phase insulation assembly; 4. second side phase insulation assembly; 5. moving contact shielding cover; 6. first adjustment lock; 7. second adjustment lock; 8. locking mechanism; 9. guard plate; 10. handle; 11. connecting groove; 31. first insulating baffle; 32. second insulating baffle; 33. third insulating baffle; 41. fourth insulating baffle; 42. fifth insulating baffle; 43. sixth insulating baffle; 51. first cover body; 52. second cover body; 53. third cover body; 54. main body; 55. elastic sheet; 61. lower clamping block; 62. upper clamping block; 81. support rod; 82. cross arm clamping hook; 83. handle; 84. clamping block; 85. first bolt. DETAILED DESCRIPTION

[0044] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present invention.

[0045] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the embodiments of the present invention.

[0046] Below, refer to Figure 1-13 An insulating baffle and an installation method for replacing a phase upper lead in a knife switch during live working, as involved in an embodiment of the present invention, are specifically described.

[0047] The first embodiment of the present invention provides an insulating baffle for replacing the upper lead of a phase in a knife switch during live working, which is described in detail below with reference to the accompanying drawings.

[0048] like Figure 1-12As shown, an insulating baffle for replacing the middle phase upper lead of a knife switch during live operation includes a middle phase knife switch shielding cover 1, a middle phase tension insulator shielding cover 2, a first side phase insulating assembly 3, a second side phase insulating assembly 4 and a moving contact shielding cover 5. The middle phase knife switch shielding cover 1 is used to insulate and shield the middle phase knife switch at one end of the middle phase upper lead; the middle phase tension insulator shielding cover 2 is arranged above the middle phase knife switch shielding cover 1, and is used to insulate and shield the middle phase tension insulator and the middle phase tension clamp at the other end of the middle phase upper lead; the first side phase insulating assembly 3 includes a first insulating baffle 31, a second insulating baffle 32 and a third insulating baffle 33 connected in sequence, and the first insulating baffle 31, the second insulating baffle 32 and the third insulating baffle 33 are all arranged on the middle phase knife switch shielding cover 1. One side is used to insulate and shield the first side phase knife switch, the first side phase upper lead, the first side phase tension clamp and the first side phase tension insulator on one side of the middle phase upper lead; the second side phase insulation assembly 4 includes a fourth insulating baffle 41, a fifth insulating baffle 42 and a sixth insulating baffle 43 connected in sequence, and the fourth insulating baffle 41, the fifth insulating baffle 42 and the sixth insulating baffle 43 are all arranged on the other side of the middle phase knife switch shielding cover 1, and are used to insulate and shield the second side phase knife switch, the second side phase upper lead, the second side phase tension clamp and the second side phase tension insulator on the other side of the middle phase upper lead; the moving contact shielding cover 5 is arranged below the middle phase knife switch shielding cover 1, and is used to insulate and shield the first side phase knife switch moving contact, the second side phase knife switch moving contact and the middle phase knife switch moving contact.

[0049] It should be noted that the moving contact shielding cover 5, the middle phase knife switch shielding cover 1, the middle phase tension insulator shielding cover 2, the first side phase insulation component 3 and the second side phase insulation component 4 can fully shield the components surrounding the middle phase upper lead when used as a set; the moving contact shielding cover 5, the middle phase knife switch shielding cover 1, the middle phase tension insulator shielding cover 2, the first side phase insulation component 3 and the second side phase insulation component 4 are all made of insulating materials; the first insulating baffle 31, the second insulating baffle 32, the third insulating baffle 33, the fourth insulating baffle 41, the fifth insulating baffle 42 and the sixth insulating baffle 43 are all plate-shaped structures, and their dimensions and sizes can be designed according to actual needs; the shapes of the first insulating baffle 31, the second insulating baffle 32 and the third insulating baffle 33 can be designed according to the outer contours of the first side phase knife switch, the first side phase upper lead, the first side phase tension clamp and the first side phase tension insulator to be shielded; the fourth insulating baffle 41, the first The shapes of the fifth insulating baffle 42 and the sixth insulating baffle 43 can be designed according to the outer contours of the second side phase knife switch, the second side phase upper lead, the second side phase tension clamp and the second side phase tension insulator to be shielded; between the first insulating baffle 31 and the third insulating baffle 33, and between the fourth insulating baffle 41 and the sixth insulating baffle 43, a second insulating baffle 32 and a sixth insulating baffle 43 can be additionally provided according to actual needs, so that the first side phase insulation component 3 and the second side phase insulation component 4 are more closely fitted to the corresponding side when installed. Phase components; during installation, the moving contact shielding cover 5, the middle phase knife switch shielding cover 1, the middle phase tension insulator shielding cover 2, the first side phase insulation assembly 3 and the second side phase insulation assembly 4 can be installed on the corresponding components to be shielded, and can also be installed on the corresponding cross arm. In this embodiment, preferably, the moving contact shielding cover 5, the middle phase knife switch shielding cover 1, the middle phase tension insulator shielding cover 2, the first side phase insulation assembly 3 and the second side phase insulation assembly 4 are all arranged on the cross arm.

[0050] In order to more easily adapt to side phase components of different sizes and shapes and improve the versatility and flexibility of the insulating baffle, in this embodiment, preferably, the first insulating baffle 31, the second insulating baffle 32, the third insulating baffle 33, the fourth insulating baffle 41, the fifth insulating baffle 42 and the sixth insulating baffle 43 are all provided with a first adjustment lock 6, a second adjustment lock 7 and a locking mechanism 8, the first adjustment lock 6 and the second adjustment lock 7 are spaced apart, and the locking mechanism 8 is passed through the first adjustment lock 6 and the second adjustment lock 7.

[0051] In order to improve the locking ability, achieve fine-tuning and improve the adjustment accuracy, in this embodiment, preferably, the locking mechanism 8 includes a support rod 81, a cross arm clamping hook 82, a handle 83 and a clamping block 84, the support rod 81 is penetrated on the first adjustment lock buckle 6 and the second adjustment lock buckle 7, the support rod 81 is provided with a first through hole extending along the axial direction of the support rod 81, the cross arm clamping hook 82 is provided with a through slot, and a side wall of the through slot is provided with a second through hole, one end of the support rod 81 is penetrated in the second through hole, the handle 83 is movably penetrated in the first through hole and the second through hole, the handle 83 is threadedly connected to the support rod 81, one end of the handle 83 is provided in the through slot, the clamping block 84 is provided in the through slot, one end of the clamping block 84 is rotatably connected to one end of the handle 83, and the other end of the clamping block 84 is provided with a groove.

[0052] In order to improve the stability of the device and simplify the structure and operation of the device, in this embodiment, preferably, a protrusion extending inward is provided on the other side wall of the through groove, and a second screw hole is provided on the protrusion. A first bolt 85 is passed through the second screw hole, and the fastening end of the first bolt 85 is provided in the through groove.

[0053] In order to achieve precise adjustment of the position of the insulating baffle, improve the installation accuracy, and at the same time, maintain the stability of the position of the insulating baffle, in this embodiment, preferably, the first adjustment lock buckle 6 and the second adjustment lock buckle 7 have the same structure and both include a lower clamping block 61, an upper clamping block 62, a second bolt and a third bolt. The first insulating baffle 31, the second insulating baffle 32, the third insulating baffle 33, the fourth insulating baffle 41, the fifth insulating baffle 42 and the sixth insulating baffle 43 are all provided with the lower clamping block 61, the lower clamping block 61 is provided with a first mounting groove, and the two opposite side walls of the first mounting groove are provided with a third screw hole and a fourth screw hole, the upper clamping block 62 is provided with a second mounting groove, and the two opposite side walls of the second mounting groove are provided with a first through hole and a second through hole, the second bolt is passed through the first through hole and the third screw hole, the third bolt is passed through the second through hole and the fourth screw hole, and the locking mechanism 8 is passed between the first mounting groove, the second mounting groove, the second bolt and the third bolt.

[0054] In order to improve the safety of operators, save operation time, improve operation efficiency, and at the same time, improve the sturdiness of the insulating plate, in this embodiment, preferably, it also includes a guard plate 9 and a handle 10, and the first insulating baffle 31, the second insulating baffle 32, the third insulating baffle 33, the fourth insulating baffle 41, the fifth insulating baffle 42 and the sixth insulating baffle 43 are all provided with the guard plate 9 on the side away from the middle phase knife switch shielding cover 1, and the first insulating baffle 31, the second insulating baffle 32, the third insulating baffle 33, the fourth insulating baffle 41, the fifth insulating baffle 42 and the sixth insulating baffle 43 are all provided with the handle 10 on the side close to the middle phase knife switch shielding cover 1.

[0055] In order to improve versatility and adaptability, reduce volume, reduce the probability of staff touching, and improve installation efficiency, in this embodiment, preferably, the moving contact shielding cover 5 includes a first cover body 51, a second cover body 52 and a third cover body 53. The first cover body 51, the second cover body 52 and the third cover body 53 have the same structure and all include a main body 54 and a plurality of elastic sheets 55. A first shielding groove is provided in the main body 54, and the plurality of elastic sheets 55 are arranged in sequence on the inner peripheral side wall of the first shielding groove.

[0056] In order to improve stability and reduce safety hazards caused by the popping out of the lead on the middle phase, and at the same time, make the installation and disassembly process of the middle phase knife switch shielding cover 1 simpler and faster, and improve installation efficiency, in this embodiment, preferably, a second shielding groove is provided in the middle phase knife switch shielding cover 1, and the second shielding groove is provided with a through hole and a connecting groove 11 on the two opposite sides, and a pin is provided on the through hole.

[0057] In order to provide a more comprehensive shielding effect and improve the adaptability of the device, in this embodiment, preferably, the mid-phase tension insulator shielding cover 2 includes a first shielding cover and a second shielding cover, the first shielding cover is a soft shielding cover, the second shielding cover is a hard shielding cover, a third shielding groove is provided in the second shielding cover, and the first shielding cover is provided in the third shielding groove.

[0058] Thus, the beneficial effects are achieved: the combination of the moving contact shielding cover 5, the middle-phase knife switch shielding cover 1, the middle-phase strain insulator shielding cover 2, the first side-phase insulating assembly 3 and the second side-phase insulating assembly 4 realizes comprehensive and accurate insulation shielding of the key components around the middle-phase upper lead, improves the safety of live working, and reduces the operation risk caused by accidental contact or arc discharge; the first adjusting lock 6, the second adjusting lock 7 and the locking mechanism 8 make the insulation baffle flexible to adjust according to the actual installation environment, ensuring the shielding effect, and improving the convenience and adaptability of installation; the cooperative action of the supporting rod 81, the cross arm clamping hook 82, the handle 83 and the clamping block 84 etc. realizes stable fixation of the insulation baffle, further enhancing the safety of the operation; the setting of the guard plate 9 and the handle 10 makes it more convenient for the operator to carry, install and maintain the insulation baffle, improves the work efficiency, and also reduces the labor intensity of the operator; the layout of the main body 54 and the plurality of elastic sheets 55 realizes fine shielding of the moving contact, improves the installation efficiency, and effectively prevents potential risks such as arc discharge; the second shielding groove and the latch facilitate installation, and prevent the middle-phase upper lead from popping out during replacement; the combination of the soft shielding cover and the hard shielding cover shields the middle-phase strain insulator and strain clamp, which not only ensures the shielding effect, but also improves the flexibility of use.

[0059] As Figure 2-10As shown, in one embodiment, the first insulating baffle 31, the second insulating baffle 32, the third insulating baffle 33, the fourth insulating baffle 41, the fifth insulating baffle 42 and the sixth insulating baffle 43 are all provided with a first adjustment lock buckle 6, a second adjustment lock buckle 7 and a locking mechanism 8, the first adjustment lock buckle 6 and the second adjustment lock buckle 7 are arranged at intervals, and the locking mechanism 8 is passed through the first adjustment lock buckle 6 and the second adjustment lock buckle 7. It should be noted that the first adjustment lock buckle 6 and the second adjustment lock buckle 7 are any structures that can adjust and fix the locking mechanism 8, which are used to provide a reference point and a fixed point for adjustment; the distance between the first adjustment lock buckle 6 and the second adjustment lock buckle 7 can be adjusted according to actual needs; the locking mechanism 8 is any structure that can be locked, which is used to fix the first insulating baffle 31, the second insulating baffle 32, the third insulating baffle 33, the fourth insulating baffle 41, the fifth insulating baffle 42 and the sixth insulating baffle 43 in a preset position, such as a bolt, nut, snap or other form of fastener; the locking mechanism 8 can lock the crossarm, and adjusting the first adjustment lock buckle 6 and the second adjustment lock buckle 7 can make the insulating baffle and the side phase component, the insulating baffle Thereby, the first insulating baffle 31, the second insulating baffle 32, the third insulating baffle 33, the fourth insulating baffle 41, the fifth insulating baffle 42 and the sixth insulating baffle 43 can be fixed, and at the same time, the first insulating baffle 31, the second insulating baffle 32, the third insulating baffle 33, the fourth insulating baffle 41, the fifth insulating baffle 42 and the sixth insulating baffle 43 can be fine-tuned so that the first insulating baffle 31, the second insulating baffle 32, the third insulating baffle 33, the fourth insulating baffle 41, the fifth insulating baffle 42 and the sixth insulating baffle 43 can be more easily adapted to side phase components of different sizes and shapes, play a better insulating shielding role, and improve the safety of live working.

[0060] In one embodiment, the locking mechanism 8 includes a support rod 81, a cross arm clamping hook 82, a handle 83 and a clamping block 84. The support rod 81 is inserted into the first adjustment lock buckle 6 and the second adjustment lock buckle 7. A first through hole extending along the axial direction of the support rod 81 is provided in the support rod 81, and a through groove is provided on the cross arm clamping hook 82. A second through hole is provided on one side wall of the through groove. One end of the support rod 81 is inserted into the second through hole, and the handle 83 is movably inserted into the first through hole and the second through hole. The handle 83 is threadedly connected to the support rod 81, and one end of the handle 83 is provided in the through groove. The clamping block 84 is provided in the through groove. One end of the clamping block 84 is rotatably connected to one end of the handle 83, and the other end of the clamping block 84 is provided with a groove. When the handle 83 is rotated and the clamping block 84 is moved toward the other side wall of the through groove, the clamping block 84 clamps the cross arm, and when the handle 83 is rotated and the clamping block 84 is moved toward the side wall of the through groove, the clamping block 84 releases the cross arm; a self-locking mechanism can be provided on the handle 83 to prevent the handle 83 from rotating by itself when not subjected to external force, thereby maintaining the stability of the position of the insulating baffle; thereby, fine-tuning can be achieved, providing stronger locking force and higher adjustment accuracy, ensuring that the insulating baffle can be stably maintained in the desired position after being adjusted into place, and at the same time, the operator can quickly adjust the position of the insulating baffle by simply rotating and moving the handle 83, simplifying the operation steps.

[0061] In one embodiment, a protrusion extending inward is provided on the other side wall of the through slot, and a second screw hole is provided on the protrusion. A first bolt 85 is passed through the second screw hole, and the fastening end of the first bolt 85 is provided in the through slot. It should be noted that the fastening end of the first bolt 85 is used to clamp the other side of the cross arm; the angle between the protrusion and the through slot is designed according to actual conditions. In order to achieve a better clamping effect, in this embodiment, preferably, the angle formed by the protrusion and the other side wall of the through slot is 90°; thus, by adding the protrusion and the first bolt 85, the cross arm can be further clamped conveniently to prevent the cross arm from slipping in the through slot, thereby improving the stability of the entire device and at the same time improving the flexibility and adaptability of the device.

[0062] In one embodiment, the first adjusting lock 6 and the second adjusting lock 7 are identical in structure, and each comprises a lower clamping block 61, an upper clamping block 62, a second bolt and a third bolt, the first insulating baffle 31, the second insulating baffle 32, the third insulating baffle 33, the fourth insulating baffle 41, the fifth insulating baffle 42 and the sixth insulating baffle 43 are each provided with the lower clamping block 61, the lower clamping block 61 is provided with a first mounting slot, the opposite two side walls of the first mounting slot are each provided with a third screw hole and a fourth screw hole, the upper clamping block 62 is provided with a second mounting slot, the opposite two side walls of the second mounting slot are each provided with a first through hole and a second through hole, the second bolt is arranged in the first through hole and the third screw hole, and the third bolt is arranged in the second through hole and the fourth screw hole, the first mounting slot, the second mounting slot, the second bolt and the third bolt are provided with the locking mechanism 8. It should be noted that by adjusting the fastening degree of the second bolt and the third bolt, the position of the upper clamping block 62 relative to the lower clamping block 61 can be finely adjusted, thereby adjusting the position of the locking mechanism 8, and thereby adjusting the position of the insulating baffle; the specifications of the first mounting slot and the second mounting slot can be designed according to actual needs; thus, by the cooperation of the upper clamping block 62 and the lower clamping block 61, and the fine adjustment function of the second bolt and the third bolt, the position of the insulating baffle can be accurately adjusted, the installation precision is improved, and at the same time, the operator can quickly adjust the position of the insulating baffle by simply rotating the bolt, thereby simplifying the operation steps.

[0063] In one embodiment, it also includes a guard plate 9 and a handle 10. The guard plate 9 is provided on the side of the first insulating baffle 31, the second insulating baffle 32, the third insulating baffle 33, the fourth insulating baffle 41, the fifth insulating baffle 42 and the sixth insulating baffle 43 away from the middle phase knife switch shielding cover 1, and the handle 10 is provided on the side of the first insulating baffle 31, the second insulating baffle 32, the third insulating baffle 33, the fourth insulating baffle 41, the fifth insulating baffle 42 and the sixth insulating baffle 43 close to the middle phase knife switch shielding cover 1. It should be noted that the angle formed between the guard plate 9 and each insulating baffle can improve the sturdiness of each insulating baffle; the guard plate 9 can provide an additional layer of protection to prevent the insulating baffle or the operator from being injured by accidental touch or flying objects during live operations; the guard plate 9 is made of insulating material to ensure its electrical safety; the handle 10 is usually made of a sturdy, easy-to-grip and insulating material to ensure its durability, operating comfort and insulation; thus, the device is more sturdy, provides additional protection for the staff, and improves work safety. At the same time, the insulating baffle has the characteristics of being easy to carry and move, and the operator can more conveniently carry, install and maintain these insulating baffles, which improves the practicality and flexibility of the insulating baffle in live operations and improves work efficiency.

[0064] like Figure 11-12As shown, in one embodiment, the moving contact shielding cover 5 includes a first cover body 51, a second cover body 52 and a third cover body 53. The first cover body 51, the second cover body 52 and the third cover body 53 have the same structure and all include a main body 54 and a plurality of elastic sheets 55. A first shielding groove is provided in the main body 54, and the plurality of elastic sheets 55 are sequentially arranged on the inner peripheral side wall of the first shielding groove. It should be noted that when the main body 54 is sleeved on the moving contact, the gaps between the plurality of elastic sheets 55 increase so that the moving contact can pass through the first shielding groove. When the main body 54 is sleeved on the moving contact, the gaps between the plurality of elastic sheets 55 decrease under the elastic force of the elastic sheets 55 to close the first shielding groove. The shape and size of the main body 54 can be designed according to the specific shape and size of the moving contact to ensure a good shielding effect and adaptability. The elastic sheet 55 can be made of a soft and elastic material, such as rubber or silicone. The elastic properties of the elastic sheet 55 can also be adjusted in a certain range. It can adapt to the slight movement or deformation of the moving contact to a certain extent, so as to maintain the stability and reliability of the shielding effect; in this embodiment, preferably, a mounting hole is formed between the plurality of elastic sheets 55, and the moving contact is passed through the mounting hole and arranged in the first shielding groove; in order to be able to be better mounted on the moving contact, an auxiliary groove is provided on the side wall of the main body 54; thereby, a flexible protective layer is provided for the moving contact, reducing the risk caused by accidental touch or flying objects during live operation, further enhancing the protection capability of the shielding cover, and improving the safety of the entire system. At the same time, the openable and closable structure is utilized to improve the flexibility and practicality of the shielding cover.

[0065] like Figure 13 As shown, in one embodiment, a second shielding groove is provided in the shielding cover 1 of the middle phase knife switch, and through holes and connecting grooves 11 are provided on the two opposite sides of the second shielding groove, and a latch is provided on the through hole. It should be noted that the shape and size of the second shielding groove can be designed according to the specific structure and size of the middle phase part of the knife switch to ensure good shielding effect and adaptability; the position and number of the through holes can be determined according to specific design requirements and connection requirements; the connecting groove 11 is used to connect the cross arm; the latch is provided in the notch of the second shielding groove to prevent the middle phase upper lead from popping out when replacing; thereby, the stability and reliability of the connection between the shielding cover and other components can be ensured, which helps to reduce electrical safety hazards caused by loose or falling connections, and at the same time, reduces the risks caused by accidental touch or flying objects.

[0066] In one embodiment, the mid-phase tension insulator shielding cover 2 includes a first shielding cover and a second shielding cover, wherein the first shielding cover is a soft shielding cover, the second shielding cover is a hard shielding cover, a third shielding groove is provided in the second shielding cover, and the first shielding cover is provided in the third shielding groove. It should be noted that the soft shielding cover is made of a soft and elastic material, such as flexible insulating materials such as rubber and silicone, which can adapt to the shape and size changes of the tension insulator and ensure a good shielding effect; the first shielding cover can fit tightly to the surface of the tension insulator and provide comprehensive protection and shielding; the second shielding cover is made of a hard insulating material, such as epoxy resin, glass fiber reinforced plastic, etc., which has higher strength and rigidity and can provide better mechanical protection and protection; thereby, a more comprehensive shielding effect can be provided, and at the same time, it can adapt to the shape and size changes of the tension insulator, ensure a good shielding effect, and reduce electrical safety hazards caused by incomplete shielding.

[0067] Therefore, the beneficial effects of the present invention are as follows: the insulating baffle of the middle phase lead of the knife switch during live operation of the present invention solves the technical problems in the prior art such as lack of special insulating shielding devices, insufficient applicability of existing hard insulating baffles, and difficulty and complexity in redesigning insulating shielding devices, and achieves beneficial effects: 1) by combining the moving contact shielding cover 5, the middle phase knife switch shielding cover 1, the middle phase tension insulator shielding cover 2, the first side phase insulating assembly 3 and the second side phase insulating assembly 4, comprehensive and accurate insulation shielding of key components around the middle phase lead is achieved, the safety of live operation is improved, and the operational risks caused by accidental contact or arc discharge are reduced; 2) by using the first adjustment lock 6, the second adjustment lock 7 and the locking mechanism 8, the insulating baffle can be flexibly adjusted according to the actual installation environment, which ensures the shielding effect while also improving the installation Convenience and adaptability; 3) Through the coordinated action of the support rod 81, the cross arm clamping hook 82, the handle 83 and the clamping block 84, the insulating baffle is firmly fixed, further enhancing the safety of the operation; 4) The setting of the guard plate 9 and the handle 10 allows operators to more conveniently carry, install and maintain these insulating baffles, thereby improving work efficiency and reducing the labor intensity of operators; 5) Through the layout of the main body 54 and multiple elastic sheets 55, fine shielding of the moving contact is achieved, which improves the installation efficiency and effectively prevents potential risks such as arc discharge; 6) Through the second shielding groove and the pin, it is easy to install and at the same time prevents the middle phase lead from popping out when replaced; 7) The soft shielding cover and the hard shielding cover are combined to shield the middle phase tension insulator and tension wire clamp, which not only ensures the shielding effect but also improves the flexibility of use.

[0068] The second embodiment of the present invention provides a method for installing an insulating baffle for replacing a phase upper lead in a knife switch during live operation, which is described in detail below.

[0069] A method for installing an insulating baffle for replacing an upper phase lead in a knife switch during live working, based on the method for replacing an upper phase lead in a knife switch during live working provided in any of the above embodiments, comprising:

[0070] The moving contact shielding cover 5 is provided on the moving contact of the first side phase knife switch, the moving contact of the second side phase knife switch and the moving contact of the middle phase knife switch;

[0071] The middle phase switch shielding cover 1 is placed on the middle phase switch, the first insulating baffle 31 is placed on the side of the first side phase switch close to the middle phase upper lead, and the fourth insulating baffle 41 is placed on the side of the second side phase switch close to the middle phase upper lead;

[0072] The second insulating baffle 32 is arranged on the side of the first side phase upper lead close to the middle phase upper lead, and the fifth insulating baffle 42 is arranged on the side of the second side phase upper lead close to the middle phase upper lead;

[0073] The third insulating baffle 33 is arranged on the side of the first side phase tension clamp and the first side phase tension insulator close to the middle phase upper lead, and the sixth insulating baffle 43 is arranged on the side of the second side phase tension clamp and the second side phase tension insulator close to the middle phase upper lead;

[0074] The middle phase tension insulator shielding cover 2 is arranged on the middle phase tension clamp and the middle phase tension insulator;

[0075] Among them, the positions of the first insulating baffle 31, the second insulating baffle 32, the third insulating baffle 33, the fourth insulating baffle 41, the fifth insulating baffle 42 and the sixth insulating baffle 43 are adjusted so that the first insulating baffle 31, the second insulating baffle 32 and the third insulating baffle 33 are connected in sequence, and the fourth insulating baffle 41, the fifth insulating baffle 42 and the sixth insulating baffle 43 are connected in sequence.

[0076] It should be noted that before installation, it is necessary to confirm the installation location and line conditions. After meeting the installation conditions and wearing protective equipment, the device can be gradually installed on the structure to be installed. During the installation process, adjusting the positions of the first insulating baffle 31, the second insulating baffle 32, the third insulating baffle 33, the fourth insulating baffle 41, the fifth insulating baffle 42 and the sixth insulating baffle 43 can ensure that they are connected in sequence to form a complete electrical isolation barrier. By adjusting the position and number of the insulating baffles, different electrical layouts and operational requirements can be adapted.

[0077] Therefore, the installation method of the insulating baffle for replacing the upper lead of the middle phase of the knife switch during live operation of the present invention solves the technical problems in the prior art such as the lack of special insulating shielding tools, the insufficient applicability of the existing hard insulating baffles, and the difficulty and complexity of redesigning the insulating shielding tools, and achieves beneficial effects: 1) By installing the moving contact shielding cover 5, the middle phase knife switch shielding cover 1, the middle phase tension insulator shielding cover 2 and the insulating baffles of the side phases in place in sequence, it can closely fit the specific needs of the operation site, achieve comprehensive, efficient and precise insulation protection for key components around the middle phase upper lead, reduce the risk of electric shock during live operation, and ensure the safety of operators; 2) the position of each insulating baffle is adjusted to ensure that they can be connected in sequence and fit tightly to the components to be shielded, which not only improves the flexibility of the insulating baffle, enabling it to adapt to knife switches and lead layouts of different shapes and sizes, but also enhances the overall stability and reliability; 3) through clear installation steps, the method simplifies the complex process of replacing the upper lead of the middle phase of the knife switch during live operation, and the operator Workers only need to install each component one by one according to the established steps to quickly and accurately complete the setting of the insulating baffles, which not only improves work efficiency, but also reduces safety hazards caused by improper operation or omission of steps; 4) Through special insulating baffles and shielding covers, the insulation strength of the working area can be significantly enhanced, effectively preventing workers from accidentally contacting live parts during work, which not only reduces the risk of electric shock, but also improves the safety of the entire work process; 5) Through standardized and modular design, each insulating baffle and shielding cover can be easily disassembled and replaced, which is convenient for subsequent maintenance and inspection work. At the same time, this design also makes it convenient for workers to monitor and manage the status of the insulating baffles in real time to ensure its safety and reliability in long-term operation; 6) This installation method significantly improves the safety of live work to replace the upper lead of the knife switch by providing comprehensive and efficient insulation protection, flexible adaptability and simplified work procedures, which not only ensures the life safety of workers, but also reduces the risk of equipment damage and power outages caused by accidents.

[0078] like Figure 1-13 As shown, an optional working process of the live working method for replacing the insulating baffle of the upper lead of the phase in the knife switch and the installation method is as follows:

[0079] After confirming the installation location and line conditions, and ensuring that the installation conditions are met and wearing protective gear, install the first cover 51, the second cover 52, and the main body 54 of the third cover 53 on the first side phase knife switch moving contact, the second side phase knife switch moving contact, and the middle phase knife switch moving contact respectively;

[0080] The middle phase knife switch shielding cover 1 is placed on the middle phase knife switch, the connecting groove 11 is sleeved on the cross arm with the middle phase knife switch, and the latch is inserted into the through hole;

[0081] Use the handle 10 to move the first insulating baffle 31 to the side of the first side phase switch close to the middle phase upper lead, sleeve the through slot on the cross arm to be installed, turn the handle 83 so that the clamping block 84 clamps the first insulating baffle 31, and then tighten the first bolt 85;

[0082] Use the handle 10 to move the fourth insulating baffle 41 to the side of the second side phase switch close to the middle phase upper lead, sleeve the through slot on the cross arm to be installed, turn the handle 83 so that the clamping block 84 clamps the fourth insulating baffle 41, and then tighten the first bolt 85;

[0083] Use the handle 10 to move the second insulating baffle 32 to the side of the first side phase upper lead close to the middle phase upper lead, sleeve the through slot on the crossarm to be installed, turn the handle 83 so that the clamping block 84 clamps the second insulating baffle 32, and then tighten the first bolt 85;

[0084] Use the handle 10 to move the fifth insulating baffle 42 to the side of the second side phase upper lead close to the middle phase upper lead, sleeve the through slot on the crossarm to be installed, turn the handle 83 so that the clamping block 84 clamps the fifth insulating baffle 42, and then tighten the first bolt 85;

[0085] Use the handle 10 to move the third insulating baffle 33 to the side of the first side phase tension clamp and the first side phase tension insulator close to the middle phase upper lead, sleeve the through slot on the crossarm to be installed, turn the handle 83 so that the clamping block 84 clamps the third insulating baffle 33, and then tighten the first bolt 85;

[0086] Use the handle 10 to move the sixth insulating baffle 43 to the side of the second side phase tension clamp and the second side phase tension insulator close to the middle phase upper lead, sleeve the through slot on the crossarm to be installed, turn the handle 83 so that the clamping block 84 clamps the sixth insulating baffle 43, and then tighten the first bolt 85;

[0087] Winding the soft insulating cover on the middle phase tension clamp and the middle phase tension insulator, and then covering the hard insulating cover on the soft insulating cover;

[0088] Among them, when the second bolt and the third bolt adjust the relative positions of the upper clamp block 62 and the lower clamp block 61, the position of the support rod 81 changes and then changes the positions of the first insulating baffle 31, the second insulating baffle 32, the third insulating baffle 33, the fourth insulating baffle 41, the fifth insulating baffle 42 and the sixth insulating baffle 43, so that the first insulating baffle 31, the second insulating baffle 32 and the third insulating baffle 33 are connected in sequence, and the fourth insulating baffle 41, the fifth insulating baffle 42 and the sixth insulating baffle 43 are connected in sequence; when the main body 54 is sleeved on the moving contact, the gap between the multiple elastic sheets 55 increases so that the moving contact can pass through the first shielding groove. When the main body 54 completes the sleeve on the moving contact, under the action of the elastic force of the elastic sheet 55, the gap between the multiple elastic sheets 55 is reduced to close the first shielding groove.

[0089] Furthermore, the terms "first" and "another" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, "plurality" or "several" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0090] In the present invention, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0091] In the description of this specification, the reference terms "one embodiment", "an example", etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0092] Although the embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and are not to be construed as limitations on the present invention. A person skilled in the art may change, modify, replace and modify the above embodiments within the scope of the present invention.

[0093] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An insulating baffle for replacing the upper lead of a phase in a knife switch during live operation, characterized in that: include: A middle phase knife switch shielding cover (1) is used for insulating and shielding the middle phase knife switch at one end of the middle phase upper lead; A middle phase tension insulator shielding cover (2), the middle phase tension insulator shielding cover (2) being arranged above the middle phase switch shielding cover (1) and being used for insulating and shielding the middle phase tension insulator and the middle phase tension clamp at the other end of the middle phase upper lead; A first side phase insulation assembly (3), the first side phase insulation assembly (3) comprising a first insulation baffle (31), a second insulation baffle (32) and a third insulation baffle (33) connected in sequence, the first insulation baffle (31), the second insulation baffle (32) and the third insulation baffle (33) being arranged on one side of the middle phase knife switch shielding cover (1) and being used for insulating and shielding the first side phase knife switch, the first side phase upper lead, the first side phase tension clamp and the first side phase tension insulator on one side of the middle phase upper lead; A second side phase insulation assembly (4), wherein the second side phase insulation assembly (4) comprises a fourth insulation baffle (41), a fifth insulation baffle (42) and a sixth insulation baffle (43) connected in sequence, wherein the fourth insulation baffle (41), the fifth insulation baffle (42) and the sixth insulation baffle (43) are all arranged on the other side of the middle phase knife switch shielding cover (1), and are used for insulating and shielding the second side phase knife switch, the second side phase upper lead, the second side phase tension clamp and the second side phase tension insulator on the other side of the middle phase upper lead; A moving contact shielding cover (5), the moving contact shielding cover (5) being arranged below the middle phase knife switch shielding cover (1) and being used for insulating and shielding the first side phase knife switch moving contact, the second side phase knife switch moving contact and the middle phase knife switch moving contact; The first insulating baffle (31), the second insulating baffle (32), the third insulating baffle (33), the fourth insulating baffle (41), the fifth insulating baffle (42) and the sixth insulating baffle (43) are all provided with a first adjusting lock buckle (6), a second adjusting lock buckle (7) and a locking mechanism (8), the first adjusting lock buckle (6) and the second adjusting lock buckle (7) are arranged at intervals, and the locking mechanism (8) is passed through the first adjusting lock buckle (6) and the second adjusting lock buckle (7); The locking mechanism (8) includes a support rod (81), a cross arm clamping hook (82), a handle (83) and a clamping block (84), the support rod (81) is provided on the first adjustment lock buckle (6) and the second adjustment lock buckle (7), the support rod (81) is provided with a first through hole extending along the axial direction of the support rod (81), the cross arm clamping hook (82) is provided with a through slot, a side wall of the through slot is provided with a second through hole, one end of the support rod (81) is provided in the second through hole, the handle (83) is movably provided in the first through hole and the second through hole, the handle (83) is threadedly connected to the support rod (81), one end of the handle (83) is provided in the through slot, the clamping block (84) is provided in the through slot, one end of the clamping block (84) is rotatably connected to one end of the handle (83), and the other end of the clamping block (84) is provided with a groove; The moving contact shielding cover (5) comprises a first cover body (51), a second cover body (52) and a third cover body (53); the first cover body (51), the second cover body (52) and the third cover body (53) have the same structure and each comprises a main body (54) and a plurality of elastic sheets (55); a first shielding groove is provided in the main body (54); and the plurality of elastic sheets (55) are sequentially arranged on the inner peripheral side wall of the first shielding groove; A second shielding groove is provided in the middle phase knife switch shielding cover (1), and through holes and connecting grooves (11) are provided on two opposite sides of the second shielding groove, and a latch is provided on the through hole; The middle phase tension insulator shielding cover (2) comprises a first shielding cover and a second shielding cover, the first shielding cover is a soft shielding cover, the second shielding cover is a hard shielding cover, a third shielding groove is provided in the second shielding cover, and the first shielding cover is provided in the third shielding groove.

2. The insulating baffle for replacing the upper lead of a phase in a knife switch during live working according to claim 1 is characterized in that: A protrusion extending inward is provided on the other side wall of the through slot, and a second screw hole is provided on the protrusion. A first bolt (85) is passed through the second screw hole, and a fastening end of the first bolt (85) is provided in the through slot.

3. The insulating baffle for replacing the upper lead wire of a phase in a knife switch during live working according to claim 1 is characterized in that: The first adjustment lock buckle (6) and the second adjustment lock buckle (7) have the same structure and both include a lower clamping block (61), an upper clamping block (62), a second bolt and a third bolt. The first insulating baffle (31), the second insulating baffle (32), the third insulating baffle (33), the fourth insulating baffle (41), the fifth insulating baffle (42) and the sixth insulating baffle (43) are all provided with the lower clamping block (61). The lower clamping block (61) is provided with a first mounting groove, and the two opposite side walls of the first mounting groove are provided with a third screw hole and a fourth screw hole. The upper clamping block (62) is provided with a second mounting groove, and the two opposite side walls of the second mounting groove are provided with a first through hole and a second through hole. The second bolt is passed through the first through hole and the third screw hole, and the third bolt is passed through the second through hole and the fourth screw hole. The locking mechanism (8) is passed between the first mounting groove, the second mounting groove, the second bolt and the third bolt.

4. The insulating baffle for replacing the upper lead wire of a phase in a knife switch during live working according to claim 1 is characterized in that: The invention also includes a guard plate (9) and a handle (10), wherein the guard plate (9) is provided on one side of the first insulating baffle (31), the second insulating baffle (32), the third insulating baffle (33), the fourth insulating baffle (41), the fifth insulating baffle (42) and the sixth insulating baffle (43) away from the middle phase knife switch shielding cover (1), and the handle (10) is provided on one side of the first insulating baffle (31), the second insulating baffle (32), the third insulating baffle (33), the fourth insulating baffle (41), the fifth insulating baffle (42) and the sixth insulating baffle (43) close to the middle phase knife switch shielding cover (1).

5. A method for installing an insulating baffle for replacing the upper lead of a phase in a knife switch during live operation, characterized in that: The method for replacing an insulating baffle of an upper phase lead of a knife switch during live working according to any one of claims 1 to 4 comprises: The moving contact shielding cover (5) is provided on the first side phase knife switch moving contact, the second side phase knife switch moving contact and the middle phase knife switch moving contact; The middle phase knife switch shielding cover (1) is arranged on the middle phase knife switch, the first insulating baffle (31) is arranged on the side of the first side phase knife switch close to the middle phase upper lead, and the fourth insulating baffle (41) is arranged on the side of the second side phase knife switch close to the middle phase upper lead; The second insulating baffle (32) is arranged on a side of the first side phase upper lead close to the middle phase upper lead, and the fifth insulating baffle (42) is arranged on a side of the second side phase upper lead close to the middle phase upper lead; The third insulating baffle (33) is arranged on the side of the first side phase tension clamp and the first side phase tension insulator close to the middle phase upper lead, and the sixth insulating baffle (43) is arranged on the side of the second side phase tension clamp and the second side phase tension insulator close to the middle phase upper lead; The middle phase tension insulator shielding cover (2) is arranged on the middle phase tension clamp and the middle phase tension insulator; The positions of the first insulating baffle (31), the second insulating baffle (32), the third insulating baffle (33), the fourth insulating baffle (41), the fifth insulating baffle (42) and the sixth insulating baffle (43) are adjusted so that the first insulating baffle (31), the second insulating baffle (32) and the third insulating baffle (33) are connected in sequence, and the fourth insulating baffle (41), the fifth insulating baffle (42) and the sixth insulating baffle (43) are connected in sequence.

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