Electrical isolation operation tool for power grid

Abstract

The invention discloses a power grid electrical isolation operation tool which comprises an L-shaped insulating shell (1), a transverse sliding groove (2) is formed in the front end of the horizontal plane of the insulating shell (1), a sliding type fastening structure (3) is arranged in the transverse sliding groove (2), a vertical sliding groove (4) is formed in the vertical plane of the insulating shell (1), and a forced isolation module (5) is arranged in the vertical sliding groove (4). And the top of the vertical surface of the insulating shell (1) is also provided with a working state warning plate (6). The method has the characteristics of simplicity and convenience in operation and good reliability.

Description

Technical Field

[0001] This invention relates to a power grid electrical operation tool, and more particularly to a power grid electrical isolation operation tool. Background Technology

[0002] When inspecting or maintaining power grid equipment (such as switchgear, distribution boxes, transformers, etc.), safety technical measures such as "power outage, voltage testing, grounding, hanging warning signs, and installing barriers" must be strictly implemented. Among these, electrical isolation is a crucial step to ensure that workers do not come into contact with live parts.

[0003] Currently, electrical isolation commonly employs methods such as hanging "Do Not Close, People Working" signs, using ordinary insulating baffles, or insertable partitions between the moving and stationary contacts of the operating mechanism or along the path of the operating linkage. This method has the following drawbacks: 1) It requires multiple tools, making operation cumbersome and inconvenient to carry; 2) It has poor reliability: the signs are easily blown off by the wind, accidentally moved, or damaged, failing to provide physical isolation; the insulating baffles lack effective locking mechanisms and are also prone to falling off. Therefore, there is an urgent need to develop a simple, convenient, and reliable isolation operation tool to meet the daily isolation operation needs of the power grid. Summary of the Invention

[0004] The purpose of this invention is to provide a power grid electrical isolation operation tool. This invention is characterized by its simple and convenient operation and high reliability.

[0005] The technical solution of the present invention: an electrical isolation operation tool for power grids includes an L-shaped insulating housing. The front end of the horizontal surface of the insulating housing is provided with a transverse groove, and a sliding fastening structure is provided in the transverse groove. The vertical surface of the insulating housing is provided with a vertical groove, and a forced isolation module is provided in the vertical groove. The top of the vertical surface of the insulating housing is also provided with a working status warning plate.

[0006] In the aforementioned power grid electrical isolation operation tool, the forced isolation module includes an adjusting slider located in a vertical slide groove, a horizontal adjusting groove provided in the adjusting slider, an isolation plate provided in the horizontal adjusting groove, a toothed plate connected to the rear end of the isolation plate, a drive gear meshing with the toothed surface of the toothed plate, and an operating handle located on the rear side of the adjusting slider connected to the drive gear.

[0007] In the aforementioned power grid electrical isolation operation tool, the adjusting slider is provided with a locking component, the locking tongue of the locking component extends through the transverse adjusting groove, and the isolation plate is provided with a locking groove that cooperates with the locking tongue.

[0008] In the aforementioned power grid electrical isolation operation tool, the side surface of the isolation plate is also provided with a limiting guide groove, and the side wall of the transverse adjustment groove is provided with a matching limiting guide strip.

[0009] The surface of the working state warning board is provided with a female magic tape, and the female magic tape is connected with a warning label through a male magic tape.

[0010] The sliding fastening structure comprises a transverse sliding block matched with a transverse sliding groove, and the end of the transverse sliding block is provided with a clamp.

[0011] The operation handle is further provided with a soft locking buckle, and the adjusting sliding block is provided with a corresponding buckle groove.

[0012] The operation process of the power grid electrical isolation operation tool includes the following steps: S1, according to the position of the fixed end and the isolation end, the positions of the corresponding sliding fastening structure and the forced isolation module are adjusted, and the sliding fastening structure is installed and fixed on the equipment operation mechanism; S2, the operation handle is rotated to drive the internal isolation plate to move forward until the operation path is completely blocked; S3, the key is used to operate the locking assembly to complete the forced locking.

[0013] After the maintenance work is completed, the operation process of the operation tool is: the key is used to open the locking assembly, the locking tongue is retracted, then the operation handle is reversely rotated, the isolation plate is retracted, the clamp is loosened, and the operation tool is removed.

[0014] Compared with the prior art, the present application comprises an L-shaped insulation shell, a sliding fastening structure arranged on the insulation shell and capable of being adjusted laterally, a forced isolation module capable of being adjusted vertically, and a working state warning board, the warning isolation belt and the warning board, the isolation plate and the fastening structure are integrated, only one installation is needed, the above functions can be realized, the structure is simple, the operation is convenient, and the carrying is also very convenient; at the same time, the sliding fastening structure is firmly fixed to prevent the components from falling or separating, and the reliability and safety of the isolation are effectively improved. In summary, the present application has the characteristics of simple and convenient operation and good reliability. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is a structural schematic diagram of the present application; Fig. 2 is a side view of the insulation shell.

[0016] The marks in the drawings are: 1-insulating shell, 2-transverse sliding groove, 3-sliding fastening structure, 4-vertical sliding groove, 5-forced isolation module, 6-working state warning board, 51-adjusting sliding block, 52-transverse adjusting groove, 53-isolation plate, 54-toothed plate, 55-driving gear, 56-operating handle, 57-locking assembly, 58-locking groove, 61-female magic tape, 62-male magic tape, 63-warning sticker, 31-transverse sliding block, 32-clamp. DETAILED DESCRIPTION

[0017] The application will be further described below in conjunction with the drawings and examples, but not as the basis for limiting the application.

[0018] Example. Power grid electrical isolation operation tool, consisting of as shown in Figs. 1-2 L-shaped insulating shell 1, the front end of the horizontal surface of the insulating shell 1 is provided with a transverse sliding groove 2, the transverse sliding groove 2 is provided with a sliding fastening structure 3, the vertical surface of the insulating shell 1 is provided with a vertical sliding groove 4, the vertical sliding groove 4 is provided with a forced isolation module 5, and the vertical surface of the insulating shell 1 is further provided with a working state warning board 6.

[0019] The forced isolation module 5 includes an adjusting sliding block 51 located in the vertical sliding groove 4, the adjusting sliding block 51 is provided with a transverse adjusting groove 52, the transverse adjusting groove 52 is provided with an isolation plate 53, the rear end of the isolation plate 53 is connected with a toothed plate 54, the toothed plate 54 is engaged with a driving gear 55, and the driving gear 55 is connected with an operating handle 56 located at the rear side of the adjusting sliding block 51.

[0020] The adjusting sliding block 51 is provided with a locking assembly 57, the locking assembly 57 is provided with a locking tongue which penetrates into the transverse adjusting groove 52, and the isolation plate 53 is provided with a locking groove 58 which cooperates with the locking tongue.

[0021] The side surface of the isolation plate 53 is further provided with a limiting guide groove, and the side wall surface of the transverse adjusting groove 52 is provided with a limiting guide strip which cooperates with the limiting guide groove.

[0022] The surface of the working state warning board 6 is provided with a female magic tape 61, the female magic tape 61 is connected with a warning sticker 63 through a male magic tape 62.

[0023] The sliding fastening structure 3 includes a transverse sliding block 31 which cooperates with the transverse sliding groove 2, and the end of the transverse sliding block 31 is provided with a clamp 32.

[0024] The adjusting sliding block and the transverse sliding block are fastened and fixed by bolts, and when the bolts are loosened, the adjusting sliding block and the transverse sliding block can slide correspondingly.

[0025] Operation process: The operator adjusts the position of the corresponding sliding fastening structure and the forced isolation module according to the position of the fixed end and the isolation end, and then installs the sliding fastening structure on the equipment operating mechanism, so that the operating tool tightly holds the target.

[0026] Rotate the operating handle to drive the isolation plate to move forward until the operating path is completely blocked. At this time, insert the key into the lock cylinder of the locking assembly and rotate it to drive the lock tongue to be clamped into the lock slot of the isolation plate, complete the forced locking, and pull out the key.

[0027] After the maintenance work is completed, use the key to open the lock, and the lock tongue retracts. Reverse rotation of the operating handle can retract the isolation plate, loosen the clamp, and remove the device.

[0028] The gear-rack transmission, isolation plate and lock tongue are linked through a clever mechanical structure, so that "isolation" and "locking" become two actions that must be completed in succession, and the isolation plate cannot be retracted before locking, and the safety is improved qualitatively.

[0029] The warning label has "Do not close, someone is working" printed on it. According to different scenes, the warning label with the corresponding slogan can be attached to the working state warning board.

[0030] The locking assembly includes a lock cylinder integrated above the slider for installing the core lock (which can be a mechanical password lock cylinder or an electronic lock cylinder) and a lock tongue. One or more lock slots are provided at the tail of the isolation plate. When the isolation plate moves to the "complete isolation" position, the lock slot is aligned with the lock tongue. The lock tongue of the lock is linked to the movement track of the isolation plate through a connecting rod or cam.

[0031] Locking process: when the isolation plate is extended in place, only by turning the lock cylinder with a key or password can the lock tongue be driven out and clamped into the lock slot of the isolation plate. At this time, the operating handle is mechanically locked and cannot be rotated, and the isolation plate cannot be retracted.

[0032] Unlocking process: only by authorized operation (such as inserting a key) to retract the lock tongue can the linkage of the isolation plate and the operating handle be released, and the operating handle can be retracted.

[0033] The operating handle is provided with a soft locking buckle, which is buckled into the buckle slot of the adjusting slider when not in operation, so that the operating handle cannot be rotated.

[0034] Functional effect: This structure realizes the forced mechanical linkage of isolation and locking, and fundamentally eliminates the risk of "isolating without locking" or "unauthorized isolation removal".

Claims

1. A power grid electrical isolation operation tool, characterized in that: The insulating housing (1) includes an L-shaped insulating housing. The front end of the horizontal plane of the insulating housing (1) is provided with a transverse groove (2). The transverse groove (2) is provided with a sliding fastening structure (3). The vertical plane of the insulating housing (1) is provided with a vertical groove (4). The vertical groove (4) is provided with a forced isolation module (5). The top of the vertical plane of the insulating housing (1) is also provided with a working status warning plate (6).

2. The power grid electrical isolation operation tool according to claim 1, characterized in that: The forced isolation module (5) includes an adjusting slider (51) located in a vertical slide groove (4), a horizontal adjusting groove (52) is provided in the adjusting slider (51), an isolation plate (53) is provided in the horizontal adjusting groove (52), a toothed plate (54) is connected to the rear end of the isolation plate (53), a drive gear (55) is engaged on the tooth profile of the toothed plate (54), and an operating handle (56) located on the rear side of the adjusting slider (51) is connected to the drive gear (55).

3. The power grid electrical isolation operation tool according to claim 2, characterized in that: The adjusting slider (51) is provided with a locking component (57), the locking tongue of the locking component (57) extends through the transverse adjusting groove (52), and the isolation plate (53) is provided with a locking groove (58) that cooperates with the locking tongue.

4. The power grid electrical isolation operation tool according to claim 3, characterized in that: The side surface of the isolation plate (53) is also provided with a limiting guide groove, and the side wall of the transverse adjustment groove (52) is provided with a matching limiting guide strip.

5. The power grid electrical isolation operation tool according to claim 1, characterized in that: The working status warning board (6) has a female Velcro (61) on its surface, and a warning label (63) is connected to the female Velcro (61) via a male Velcro (62).

6. The power grid electrical isolation operation tool according to claim 1, characterized in that: The sliding fastening structure (3) includes a transverse slider (31) that cooperates with the transverse slide (2), and a clamp (32) is provided at the end of the transverse slider (31).

7. The power grid electrical isolation operation tool according to claim 2, characterized in that: The operating handle is also equipped with a soft locking buckle, and the adjusting slider is equipped with a corresponding locking groove.

8. The power grid electrical isolation operation tool according to any one of claims 1-7, characterized in that, The process of isolating operating tools includes the following steps: S1. Based on the positions of the end to be fixed and the isolation end, adjust the positions of the corresponding sliding fastening structure and the forced isolation module, and install and fix the sliding fastening structure on the equipment operating mechanism. S2. Rotate the operating handle to drive the internal isolation plate forward until the operating path is completely blocked. S3. Use the key to operate the locking component to complete the forced locking.

9. The power grid electrical isolation operation tool according to claim 8, characterized in that, After the maintenance work is completed, the operation procedure for the operating tool is as follows: use the key to open the locking assembly, and the locking tongue will retract; then rotate the operating handle in the opposite direction to retract the isolation plate, release the clamp, and remove the operating tool.

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