Live-line work grounding wire clamp

Abstract

The utility model discloses a live working grounding wire clamp, which belongs to the technical field of wire connecting devices and comprises a rotating rod and a wire clamp body, the rotating rod is arranged at the bottom of the wire clamp body, the wire clamp body can be connected with a cable, and the rotating rod can fix the cable connected with the wire clamp body inside the wire clamp body. The wire clamp body is provided with a protective cover. According to the utility model, the rotating rod is arranged at the bottom of the main body wire clamp, so that the rotating rod can be controlled from the ground; the wire clamp body is provided with the protection cover, and the protection cover can assist and guide the grounding wire clamp to fix the cable, thereby reducing the operation difficulty, and reducing the operation time.

Description

Technical Field

[0001] The utility model relates to a live working grounding wire clamp, belonging to the technical field of wire connection devices. Background Art

[0002] After the power transmission equipment has been working for a period of time, it is necessary to shut down the power transmission equipment for maintenance and repair. During the maintenance and repair process, it is necessary to use grounding wire clamps in the line to ensure that the line will not be damaged by the induced voltage generated by the incoming call or adjacent or cross-over high-voltage live equipment. This is an important guarantee for protecting the safety of operators during the power outage and maintenance process in the high-voltage line.

[0003] Traditional grounding wire clamps require operators to wear protective equipment and be transported to a suitable location by a aerial platform to perform high-altitude operations. There are many safety hazards in aerial operations. Long-term hanging of grounding wire clamps can easily lead to certain risks, endangering operators and power transmission equipment, and the operating efficiency is low.

[0004] Therefore, designing a grounding wire clamp for live working can avoid operators from working at heights, speed up the installation efficiency of the grounding cable, and eliminate the need for repeated installation during subsequent use. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a live working grounding wire clamp, which solves the problem that operators need to work at heights, the wiring speed is slow, and repeated installation is required for next use.

[0006] The technical problem to be solved by the utility model is achieved by adopting the following technical scheme: a grounding wire clamp for live working, comprising

[0007] Rotating rod, wire clamp body,

[0008] The bottom of the wire clamp body is provided with the rotating rod.

[0009] The wire clamp body includes a main wire clamp and a shell. The main wire clamp includes a fixing portion and a grounding portion. The shell is arranged on the outer side of the main wire clamp, the fixing portion is arranged on the front side of the main wire clamp, and the grounding portion is arranged on the back side of the main wire clamp.

[0010] Preferably, a protective cover and a back cover are rotatably provided on the outer side of the housing.

[0011] Preferably, the protective cover is arranged on the outside of the fixing portion and is rotatably connected to the outer shell; the back cover is arranged on one side of the grounding portion and is rotatably connected to the outer shell; the protective cover is provided with a limiting baffle; and the back cover is provided with an operating clip.

[0012] Preferably, the fixing portion comprises a positioning groove, and a wave pattern is arranged on the top of the positioning groove.

[0013] Preferably, the rotating rod comprises a cable pressing block, a pin and a screw rod, two of the pins are fixed inside the cable pressing block along a horizontal direction, and the screw rod is fixed between the pins along a vertical direction.

[0014] Preferably, a curved groove is provided on the top of the screw rod, and the pin can be slidably connected to the curved groove; the screw rod can rotate inside the cable pressing block, and the positions of the screw rod and the cable pressing block remain unchanged during rotation.

[0015] Preferably, positioning side plates are provided at both ends of the cable pressing block.

[0016] Preferably, a rotation hole cooperating with the screw rod is provided at the bottom of the positioning groove.

[0017] Preferably, the grounding portion comprises a grounding block, and the grounding block extends out of the housing.

[0018] Preferably, the rear cover can be connected to the ground block.

[0019] The beneficial effects of the utility model are:

[0020] (1) According to the utility model, a rotating rod is provided at the bottom of the main wire clamp, and the rotating rod can be controlled from the ground, so that workers do not need to climb up to operate, thereby reducing the risk of workers.

[0021] (2) According to the utility model, the rear cover is provided with an operating clamp, which can be controlled from the ground, and is connected to the main body wire clamp by an axis, thereby reducing the difficulty of operation.

[0022] (3) According to the utility model, a protective cover is provided on the main wire clamp, and the protective cover can assist and guide the grounding wire clamp to fix the cable, thereby reducing the difficulty of operation and shortening the operation time.

[0023] (4) Through the utility model, the main wire clamp can be installed on the cable without affecting the use of the cable. After the grounding wire clamp is installed, only the back cover is controlled from the ground to install or release the connection between the grounding wire and the installation part, which can control whether the cable is grounded and reduce the working time. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the utility model.

[0025] Figure 2 It is a schematic diagram of the internal structure of the rotating rod of the utility model.

[0026] Figure 3 It is a schematic diagram of the housing, the back cover and the protective cover of the utility model.

[0027] Figure 4 It is a structural schematic diagram of the wire clamp body of the utility model.

[0028] Figure 5 It is a schematic diagram of the internal structure of the wire clamp body of the utility model.

[0029] Figure 6 It is a schematic diagram of the structure inside the protective cover of the utility model.

[0030] Figure 7 This is a schematic diagram of the structure inside the back cover of the utility model

[0031] In the figure: 1-rotating rod, 11-cable pressing block, 12-pin, 13-screw, 14-positioning side plate, 15-gasket, 2-clip body, 21-main clip, 211-wavy pattern, 212-rotation hole, 213-grounding block, 22-housing, 221-protective cover, 2211-limit baffle, 2212-protective plate, 222-back cover, 2221-operating clip, 2222-buckle, 2223-silicon sheet, 2224-connecting frame. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and effects of the present invention easier to understand, the present invention is further described below in conjunction with specific embodiments.

[0033] like Figure 1-Figure 7 As shown, a grounding wire clamp for live working includes a rotating rod 1 and a wire clamp body 2.

[0034] The wire clamp body 2 includes a main wire clamp 21 and a shell 22. The shell 22 is disposed on the outside of the main wire clamp 21. A fixing portion is disposed on the front of the main wire clamp 21, and a grounding portion is disposed on the back of the main wire clamp 21. The wire clamp body 2 is provided with a rotating rod 1 at the bottom of the fixing portion. The fixing portion of the wire clamp body 2 can be connected to a cable, and the rotating rod 1 can fix the cable in the fixing portion of the wire clamp body 2.

[0035] Reference Figure 1 , Figure 3 , Figure 4 , Figure 5 A fixing part is provided on the front of the main wire clamp 21, a wave pattern 211 is provided on the top of the mounting part, a rotation hole 212 is provided on the bottom, and the middle part of the fixing part extends outward to form an opening. The opening can accommodate the passage of the cable, and there is no housing 22 provided inside the fixing part, and the cable directly contacts the grounding wire clamp. At the bend extending outward from the middle part of the fixing part, the corresponding housing 22 is connected to the protective cover 221. The rotation hole 212 is connected to the rotating rod 1.

[0036] A grounding portion is provided on the back of the main body wire clamp 21, and the grounding portion includes a grounding block 213. The grounding block 213 passes through the housing 22 and is provided on the back of the main body wire clamp 21. The grounding block 213 is cylindrical, and a boss extending outward is provided on the top. In this embodiment, the grounding block 213 is fixed to the main body wire clamp 21 by bolt connection.

[0037] As another embodiment, the grounding block 213 is integrated with the main body wire clamp 21 , and the grounding block 213 is a boss of the main body wire clamp 21 .

[0038] In this embodiment, the outer surface of the main body wire clamp 21 is provided with a shell 22. The shell 22 includes a protective cover 221, a rear cover 222, and a main body wire clamp shell. The surface of the main body wire clamp shell is connected to the protective cover 221 and the rear cover 222 through a shaft. Figure 4 , Figure 5 In this embodiment, the main wire clamp housing is a snap-fit ​​structure divided into two halves that snap fit on the surface of the main wire clamp 21, and the main wire clamp housing is connected by a snap. An auxiliary installation installation hole is provided at the top of the main wire clamp 21, and two fixing holes are provided in the middle of the main wire clamp 21; the top of the main wire clamp housing can wrap around the installation hole at the top of the main wire clamp 21, and a protrusion that matches the fixing hole is provided in the middle. The main wire clamp housing is consistent with the shape of the main wire clamp 21 as a whole, and the main wire clamp housing can be fixed to the outside of the main wire clamp 21 by the middle protrusion matching the fixing hole of the main wire clamp 21 and the top wrapping the installation hole of the main wire clamp 21. The main wire clamp housing does not fit with the main wire clamp 21 on both sides of the rotation hole 212 of the main wire clamp 21, and symmetrical gaps are left to accommodate the positioning side plates 14.

[0039] In this embodiment, the protective cover 221 is arranged at the bend extending outward from the middle of the fixing part, a hole is arranged on the protective cover 221, and a shaft matching the hole on the protective cover 221 is arranged on the main body wire clamp housing. A limit baffle 2211 and a protective plate 2212 are arranged on the surface of the protective cover 221, the limit baffle 2211 can limit the position of the protective cover 221, and the protective plate 2212 can play a role in protecting insulation.

[0040] In this embodiment, the surface of the back cover 222 is provided with an operating clip 2221, a buckle 2222, a silicone sheet 2223, and a connecting frame 2224. The operating clip 2221 is arranged at the top of the back cover 222, and can fix the insulating operating rod and adjust the position of the back cover 222. A groove is arranged inside the back cover 222, wherein the shape at the center of the groove is an outward semicircular arc. The back cover 222 is provided with buckles 2222 on both sides of the semicircular arc, and the buckles 2222 can cooperate with the grounding block 213 to lock and connect the back cover 222 and the grounding block 213. The back cover 222 is symmetrically provided with two silicone sheets 2223 on the surface of the groove, and the silicone sheets 2223 are made of silicone material. When the back cover 222 is rotated, the aluminum block 23 can smoothly pass through the silicone sheet 2223 and enter the back cover 222. The connecting frame 2224 extends obliquely outward at the bottom of the semicircular arc. The rear cover 222 is connected to the main body wire clamp housing through the connecting frame 2224 through the pin 12. The rear cover 222 can rotate around the pin 12.

[0041] In this embodiment, the rear cover 222 is connected to the main body wire clip 21 on the right side.

[0042] Reference Figure 2 The rotating rod 1 includes a cable pressing block 11, a pin 12, a screw 13, a positioning side plate 14, and a gasket 15. The top of the cable pressing block 11 is provided with a wave pattern 211, and the wave pattern 211 can fix the cable. The side of the cable pressing block 11 is provided with two pin holes, and the pin holes can accommodate the pin 12. The pin 12 is arranged inside the pin hole, and the bottom of the cable pressing block 11 is provided with a screw mounting hole, a part of the pin hole overlaps with the screw mounting hole, and the screw mounting hole can accommodate the screw 13.

[0043] The surface of the screw 13 is provided with threads, and the top of the screw 13 is provided with an arc groove, and the pin 12 can be slidably connected with the arc groove. In this embodiment, a gasket 15 is provided at the bottom of the screw mounting hole of the cable pressing block 11, and the gasket 15 can reduce the gap between the screw 13 and the screw mounting hole.

[0044] When installing the rotating rod 1, the screw 13 needs to be passed through the gasket 15 and set in the screw installation hole, and then the pin 12 is set in the pin hole. At this time, the screw 13 can rotate freely inside the cable pressing block 11, and the rotation does not affect the vertical position of the screw 13 and the cable pressing block 11.

[0045] Positioning side plates 14 are disposed on both sides of the rotating rod 1 , and two fixing shafts are disposed on one side of the positioning side plate 14 . The fixing shafts can be installed in the pin holes of the cable pressing block 11 .

[0046] The rotating rod 1 is arranged at the bottom of the positioning groove of the wire clamp body 2, wherein the screw rod 13 is connected to the mounting hole 25, and the positioning side plate 14 is arranged in the gap between the main wire clamp 21 and the main wire clamp shell, which can assist the positioning and guiding of the rotating rod 1 and play an insulating role.

[0047] By controlling the rotation of the screw rod 13 , the position of the cable pressing block 11 in the positioning groove can be adjusted. When the cable is set in the positioning groove, the cable pressing block 11 can lock the cable to ensure that the cable will not deviate.

[0048] In this embodiment, the main wire clamp 21 and the grounding block 213 are made of aluminum. The pin 12, the rotating rod 1, and the gasket 15 are made of stainless steel, and the remaining materials are made of insulating materials. It is ensured that the grounding wire clamp does not affect the normal use of the cable when it is installed on the cable.

[0049] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of protection claimed by the utility model. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A live working grounding clamp, comprising Rotating rod, wire clamp body, The bottom of the wire clamp body is provided with the rotating rod. Features: The wire clamp body includes a main wire clamp and a shell. The main wire clamp includes a fixing portion and a grounding portion. The shell is arranged on the outer side of the main wire clamp, the fixing portion is arranged on the front side of the main wire clamp, and the grounding portion is arranged on the back side of the main wire clamp.

2. A live working grounding clamp according to claim 1, characterized in that: The outer side of the shell is rotatably provided with a protective cover and a rear cover.

3. A live working grounding clamp according to claim 2, characterized in that: The protective cover is arranged at the outside of the fixing part and is rotatably connected to the shell; the rear cover is arranged at one side of the grounding part and is rotatably connected to the shell; the protective cover is provided with a limiting baffle; and the rear cover is provided with an operating clip.

4. A live working grounding clamp according to claim 1, characterized in that: The fixing portion comprises a positioning groove, and a wave pattern is arranged on the top of the positioning groove.

5. The live working grounding clamp according to claim 1, characterized in that: The rotating rod comprises a cable pressing block, a pin and a screw rod, two of the pins are fixed inside the cable pressing block in a horizontal direction, and the screw rod is fixed between the pins in a vertical direction.

6. A live working grounding clamp according to claim 5, characterized in that: The top of the screw rod is provided with an arc surface groove, and the pin can be slidably connected with the arc surface groove; the screw rod can rotate inside the cable pressing block, and the positions of the screw rod and the cable pressing block remain unchanged during the rotation.

7. A live working grounding clamp according to claim 6, characterized in that: Both ends of the cable pressing block are provided with positioning side plates.

8. A live working grounding clamp according to any one of claims 4 to 7, characterized in that: A rotating hole matched with the screw rod is arranged at the bottom of the positioning groove.

9. A live working grounding clamp according to claim 3, characterized in that: The grounding portion includes a grounding block, and the grounding block extends out of the housing.

10. A live working grounding clamp according to claim 9, characterized in that: The rear cover can be connected to the ground block.

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