CN108682976B - Convenient high voltage ground wire operating device - Google Patents

Abstract

The invention discloses a convenient high-voltage grounding wire operating device, comprising a grounding clip, an insulating rod, an insulating handle, a core rod and a pressing block assembly, the insulating rod and the insulating handle are rotatably connected, and the core rod is sleeved on the central axis of the insulating rod In the hole, the front end of the core rod is connected to the pressing block; the end of the core rod is set as a screw rod, the inner side of the insulating handle is set as a threaded pipe, and the screw rod at the end of the core rod is connected with the threaded pipe in the handle. Because the operating rod itself has a movable part and a fixed part, the device of the present invention can achieve the purpose of clamping the busbar by the aluminum grounding clamp and the aluminum grounding clamp pressing head by rotating between them, and no frictional force is required between the grounding clamp and the busbar to help with clamping. It is very convenient and safe to operate. There is no need to press the grounding device on the busbar during operation, and it will not cause damage to the busbar.

Description

Convenient high voltage ground wire operating device

Technical field:

The invention belongs to the technical field of power high-voltage line grounding tools, and in particular relates to a convenient high-voltage grounding line operating device.

Background technique:

At present, the grounding clamp pressing head of the commonly used high-voltage grounding wire operating device is connected to the entire grounding wire operating rod. The movable part is the grounding clamp body. When in use, only the operating rod can be held. As far as the busbar is concerned, it is a movable part. When the operating lever is rotated, the grounding clip will rotate with the operating lever when the grounding clip is not fixed by external force. However, when the grounding wire is hung, the busbar is regarded as a live body and cannot be fixed by hand. The grounding clamp is used to achieve the purpose of clamping; to clamp, it is necessary to rely on the friction between the grounding clamp and the busbar as the basis to rotate the grounding wire operating rod to achieve the purpose of clamping. In the process of doing so, it is necessary to obtain sufficient friction Clamping with force will cause the user to force against the busbar, causing damage to the busbar and extremely inconvenient and operation. In addition, the grounding clip of the existing high-voltage grounding wire operating device is not firmly connected, and it is easy to fall off due to wind blowing or swinging.

Invention content:

Aiming at the defects and problems existing in the existing high-voltage grounding wire operating device, the present invention provides a convenient high-voltage grounding wire operating device, which achieves the purpose of simple and reliable operation, anti-dropping and good stability.

The solution adopted by the present invention to solve the technical problem is: a convenient high-voltage grounding wire operating device, comprising a grounding clip, an insulating rod, an insulating handle, a core rod and a pressing block assembly, and the main structure of the grounding clip is U-shaped, The front end of the insulating rod is fixed on the rear side wall of the U-shaped grounding clamp, and the insulating rod and the insulating handle are rotatably connected. It is set as a screw, the inner side of the insulating handle is set as a threaded tube, and the screw at the end of the core rod is connected with the threaded tube in the handle; the pressing block assembly includes an outer slider and an inner slider, and there is a narrowed neck between the two. , the outer slider, the inner slider and the neck are connected through bolts; a slideway is arranged on the inner side of the bottom plate of the U-shaped grounding clamp, one side of the pressure block assembly is provided with an inner slider composed of a boss, and the inner slider is The matching sleeve is in the slideway and can move in parallel; a spring channel is arranged inside the front side wall of the U-shaped grounding clip, one end of the spring channel is communicated with the slideway, and the other end of the spring channel is provided with a straight end channel; The end straight channel is matched with a stop head, an anti-drop stop table is arranged between the end straight channel and the stop head, a spring is sleeved in the spring channel, the inner end of the spring is fixedly connected with the inner slider, and the outer end of the spring is connected to the The stop head is fixedly connected; a guide rod is vertically fixed on the outer sliding block of the pressing block assembly, and a guide hole is arranged in the grounding clip, and the guide rod is matched and inserted into the corresponding guide hole.

The outer slider of the pressing block includes a main body part and a cover, the front side of the main body part of the outer slider is provided with a rotation cavity, the cover is fixed on the outside of the rotation cavity, and the rear side of the rotation cavity is provided with a through hole for arranging the core rod, The front end of the core rod is provided with a circular blocking plate, which can be matched and sleeved in the rotating cavity.

An upper insulating sleeve and a lower insulating sleeve are respectively sleeved on the outer sides of the insulating rod and the insulating handle, and an insulating ring is sleeved on the upper side of the upper insulating sleeve.

A positioning sleeve is sleeved in the central shaft hole of the insulating rod, and the core rod is sleeved in each positioning sleeve.

Beneficial effects of the present invention: The device of the present invention has a movable part (rotary handle) and a fixed part (grip handle), and the aluminum grounding clamp and the aluminum grounding clamp pressing head can be clamped by rotating between them. For the purpose of the busbar, there is no need for friction between the ground clamp and the busbar to aid in clamping. Therefore, the user does not need to force the bus bar, nor will it cause damage to the bus bar, and it is very convenient and safe to operate. The operating part is designed with a handle and a rotary handle, which is convenient for practical use. The new structure does not need to press the grounding device on the busbar during operation, and will not cause damage to the busbar.

In the present invention, an anti-separation structure is arranged in the grounding clip, which can ensure stable and reliable connection of the grounding clip and provide a guarantee for safe use. In the present invention, in the process of pushing forward and pressing the pressing block assembly, the inner spring is simultaneously pushed, forcing the spring to drive the stop head in the straight channel at the end. That's it. The operation is simple and convenient, in one step.

Description of drawings:

Figure 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of the assembled state of FIG. 1 .

FIG. 3 is one of the enlarged structural schematic diagrams of part A in FIG. 2 .

FIG. 4 is the second enlarged structural schematic diagram of the A part in FIG. 2 .

Numerals in the figure: 1 is the grounding clip, 101 is the metal clip, 102 is the metal end cap, 103 is the slide, 104 is the spring channel, 105 is the spring, 106 is the end straight channel, 107 is the connecting bolt, and 108 is the stop head , 109 is the anti-offset block, 2 is the insulating rod, 3 is the insulating handle, 4 is the core rod, 5 is the threaded pipe, 6 is the screw rod, 7 is the rotating slot, 8 is the rotating chuck, and 9 is the pressing block assembly. 91 is an outer slider, 92 is an inner slider, 93 is a cover, 94 is a rotating cavity, 95 is a guide rod, 96 is a guide hole, 97 is a screw hole, 10 is a ground wire connector, 11 is a positioning sleeve, and 12 is a For the central shaft hole, 13 is an insulating ring, 14 is an upper insulating sleeve, and 15 is a lower insulating sleeve.

Detailed ways:

During the maintenance of Baoquan Pumped-storage Power Station, it is often necessary to hook up the ground wire in the isolation measures. The operating lever of the existing ground wire has no focus point when hooking up, which makes it difficult to hook up the ground wire, and the operation is dangerous. Using the convenient 10kV grounding wire operating device as shown in Figure 1, the purpose of hanging the grounding wire conveniently and quickly can be achieved by changing the structure of the operating lever. The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Embodiment 1: Referring to Figures 1 and 2, the portable high-voltage grounding wire operating device includes a grounding clip 1, an insulating rod 2, an insulating handle 3, a core rod 4 and a pressing block assembly 9 and other components. The insulating rod 2 and the grounding clamp 1 are fixed parts, the insulating handle 3 and the core rod 4 are movable parts, and the pressing plate assembly inside the grounding clamp 1 can be driven to move by rotating the movable parts. The grounding clamp 1 is made of aluminum grounding clamp 1, the insulating rod 2 is made of glass fiber reinforced plastic insulating rod 2, and the insulating handle 3 is made of plastic. An upper insulating sleeve 14 and a lower insulating sleeve 15 are respectively sleeved on the outer sides of the insulating rod 2 and the insulating handle 3 , and an insulating ring 13 is sleeved on the upper side of the upper insulating sleeve 14 . The upper insulating sleeve 14 adopts a PVC handle, and the lower insulating sleeve 15 adopts a PVC rotating handle. A positioning sleeve 11 is sleeved in the central shaft hole 12 of the insulating rod 2 , and the core rod 4 is sleeved in each positioning sleeve 11 . By rotating and rotating the insulating rod 2 and the insulating handle 3, the purpose of controlling the aluminum grounding clamp 1 and the pressing head of the aluminum grounding clamp 1 to clamp the busbar can be achieved. There is no need for friction between the grounding clamp 1 and the busbar to help the clamping. Therefore, the user does not need to force the busbar, nor will it cause damage to the busbar. At the same time, it is very convenient and safe to operate. There is no need to press the grounding device on the busbar during operation, and the busbar will not be damaged.

In this embodiment, the main body structure of the grounding clip 1 is U-shaped, and is composed of a metal clip 101 and a metal end cover 102 fixed by connecting bolts 107 , as shown in FIG. 3 . The front end of the insulating rod 2 is fixed on the rear side wall of the U-shaped grounding clip 1, the insulating rod 2 and the insulating handle 3 are rotatably connected, the core rod 4 is sleeved in the central shaft hole 12 of the insulating rod 2, and the Front end butt clamp. Specifically, the outer slider 91 of the pressing block includes a main body part and a cover, a rotation cavity is arranged on the front side of the main body part of the outer slider 91, the cover is fixed on the outside of the rotation cavity, and a through hole is arranged on the rear side of the rotation cavity for placement The core rod 4, the front end of the core rod 4 is provided with a circular blocking plate, which can be matched and sleeved in the rotating cavity.

The end of the core rod 4 is set as a screw 6, the inner side of the insulating handle 3 is set as a threaded pipe 5, and the screw 6 at the end of the core rod 4 is connected with the threaded pipe 5 in the handle.

The pressing block assembly 9 includes an outer sliding block 91 and an inner sliding block 92, and a neck with a narrowed width exists between the two. The outer sliding block 91, the inner sliding block 92 and the neck are connected through bolts. A slideway 103 is provided on the inner side of the bottom plate of the U-shaped grounding clip 1 , and an inner slider 92 formed of a boss is provided on one side of the pressing block assembly 9 . parallel movement.

In addition, a spring channel 104 is provided on the inner side of the front side wall of the U-shaped grounding clip 1 , one end of the spring channel 104 is communicated with the slideway 103 , and the other end of the spring channel 104 is provided with a terminal straight channel 106 . A stop head 108 is matched in the end straight channel 106 , a disengagement prevention stop 109 is arranged between the end straight channel 106 and the stop head 108 , a spring 105 is sleeved in the spring channel 104 , and the inner end of the spring 105 is connected to the inner slider. 92 is fixedly connected, and the outer end of the spring 105 is fixedly connected with the stopper 108 . The anti-separation structure can ensure stable and reliable connection of the grounding clip 1 and provide a guarantee for safe use. The present invention pushes the inner spring 105 at the same time through the pressing block assembly 9 in the process of pushing forward and pressing, forcing the spring 105 to drive the stopper 108 in the straight channel 106 at the end, and the stopper 108 is extended to prevent the disengagement and release the restraint. The process only needs to turn the handle in the opposite direction. The operation is simple and convenient, in one step.

Embodiment 2: On the basis of Embodiment 1, as shown in FIG. 4, a guide rod is vertically fixed on the outer slider 91 of the pressing block assembly 9, and a guide hole is provided in the grounding clip 1, and the guide rod matches Insert into the corresponding guide hole.

Claims (4)

1. A convenient high-voltage grounding wire operating device, comprising a grounding clamp, an insulating rod and an insulating handle, as well as a core rod and a pressing block assembly, it is characterized in that: the main structure of the grounding clamp is a U-shaped, and the front end of the insulating rod is fixed on the The rear side wall of the U-shaped grounding clamp, the insulating rod and the insulating handle are rotatably connected, the core rod is sleeved in the central shaft hole of the insulating rod, and the front end of the core rod is connected to the pressure block; the end of the core rod is set as a screw, and the insulating handle The inner side is set as a threaded tube, and the screw at the end of the core rod is connected with the threaded tube in the handle; the pressure block assembly includes an outer slider and an inner slider, and there is a neck with a narrowed width between the two, the outer slider and the inner slider. The slider and the neck are connected through bolts; a slideway is arranged on the inner side of the bottom plate of the U-shaped grounding clamp, and an inner slider formed by a boss is arranged on one side of the pressing block assembly, and the inner slider is matched and sleeved on the slider A spring channel is arranged on the inner side of the front side wall of the U-shaped grounding clip, one end of the spring channel is communicated with the slide channel, and the other end of the spring channel is provided with an end straight channel; a matching sleeve is arranged in the end straight channel There is a stop head, an anti-drop stop table is arranged between the straight channel at the end and the stop head, a spring is sleeved in the spring channel, the inner end of the spring is fixedly connected with the inner slider, and the outer end of the spring is fixedly connected with the stop head; A guide rod is vertically fixed on the outer sliding block of the pressing block assembly, and a guide hole is arranged in the grounding clip, and the guide rod is matched and inserted into the corresponding guide hole. 2 . The portable high-voltage grounding wire operating device according to claim 1 , wherein the outer slider of the pressing block comprises a main body part and a cover, the front side of the main body part of the outer slider is provided with a rotating cavity, and the cover It is fixed on the outside of the rotating cavity, the rear side of the rotating cavity is provided with a through hole for arranging the core rod, and the front end of the core rod is provided with a circular baffle which can be matched and sleeved in the rotating cavity. 3. The portable high-voltage grounding wire operating device according to claim 1, wherein an upper insulating sleeve is sleeved on the outside of the insulating rod, a lower insulating sleeve is sleeved on the outside of the insulating handle, and the upper insulating sleeve is sleeved The side sleeves have insulating rings. 4 . The convenient high-voltage grounding wire operating device according to claim 1 , wherein a positioning sleeve is sleeved in the central shaft hole of the insulating rod, and the core rod is sleeved in each positioning sleeve. 5 .

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