CN210040033U

CN210040033U - Hanging type ground cutter for overhead line of power distribution network

Info

Publication number: CN210040033U
Application number: CN201921075191.2U
Authority: CN
Inventors: 况中奎
Original assignee: Guangzhou Hejin Construction Co Ltd
Current assignee: Guangzhou Hejin Construction Co Ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-02-07
Anticipated expiration: 2029-07-11

Abstract

The utility model relates to the technical field of power equipment, and a join in marriage overhead line of power distribution network and pick hanging earthing switch is disclosed, including insulating pillar, the electrically conductive clamp plate of upper end fixedly connected with of insulating pillar, electrically conductive clamp plate's upper end fixedly connected with terminal, the lower extreme fixedly connected with installing support of insulating pillar, the one end upside fixedly connected with U-shaped cardboard of insulating pillar is kept away from to the installing support, it is connected with same threaded sleeve to rotate through the pivot between the vertical lateral wall in relative one side of U-shaped cardboard, threaded sleeve's inside threaded connection has electrically conductive screw rod, threaded sleeve's upper end lateral wall is seted up jaggedly, the outer wall threaded connection that the threaded sleeve corresponds upper end breach department has set nut. The utility model discloses need not the operation of ascending a height, stopped the risk that electric shock and high altitude were fallen, guaranteed personnel's life safety.

Description

Hanging type ground cutter for overhead line of power distribution network

Technical Field

The utility model relates to a power equipment technical field especially relates to a hanging earthing switch is plucked to distribution network overhead line.

Background

In residential areas and areas with intensive factory and enterprise areas, the laying of power utilization facilities such as power distribution stations, transformers, lead lines, safes and the like is extremely complex. The maintenance of the electric power facilities must be realized according to a certain logic sequence, and safety technical measures such as power failure, electricity testing, earth electrode installation blocking and the like are included, and the maintenance is not necessary. Wherein grounding is an important ring to guarantee the life safety of the service personnel and therefore must be strictly performed. The 10kV distribution overhead line pole tower, rack and other overhaul grounds are grounded by adopting a grounding wire installation mode because of the laying mode. Including ground terminals and lead terminals, and having a cross-sectional area of not less than 25mm 2. The installation process must climb to a position 0.7m away from the conducting wire for three-phase operation grounding, and the risks of falling and electric shock in high-altitude operation inevitably exist, so that the installation of the grounding wire is always high-risk operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the earth connection of installing among the prior art all was the high risk operation always, and the overhead line of distribution network hanging earthing switch that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a distribution network overhead line picks hanging earthing switch, includes insulating pillar, the electrically conductive clamp plate of upper end fixedly connected with of insulating pillar, the upper end fixedly connected with terminal of electrically conductive clamp plate, the lower extreme fixedly connected with installing support of insulating pillar, the one end upside fixedly connected with U-shaped cardboard of insulating pillar is kept away from to the installing support, it is connected with same screw sleeve to rotate through the pivot between the vertical lateral wall in one side relatively to U-shaped cardboard, screw sleeve's inside threaded connection has electrically conductive screw rod, screw sleeve's upper end lateral wall is seted up jaggedly, the outer wall threaded connection that screw sleeve corresponds upper end breach department has set nut, two positioning mechanism that are used for fixed set nut of screw sleeve's upper end outer wall symmetry fixedly connected with, the pole wall fixedly connected with of electrically conductive screw rod colludes.

Preferably, the lower end of the conductive pressure plate is fixedly connected with a U-shaped limiting frame for limiting the conductive screw.

Preferably, the thickness of the pipe at the position of the threaded sleeve corresponding to the notch is larger than that of the pipe at other positions.

Preferably, the positioning mechanism comprises a fixed rod fixedly connected to the outer wall of the upper end of the threaded sleeve, an elastic pressing plate is movably sleeved on the rod wall of the fixed rod, a sleeve hole is formed in the surface of the elastic pressing plate and is sleeved outside the fixed rod in a movable manner, the rod wall of the fixed rod is fixedly connected with two limiting ring plates symmetrically arranged relative to the elastic pressing plate, a positioning block is fixedly connected to the side wall of the lower end of the elastic pressing plate, and a positioning groove correspondingly inserted with the positioning block is formed in the outer wall of the positioning nut.

Preferably, the inner side wall of the trepanning is fixedly connected with a layer of damping rubber pad.

Preferably, the outer wall of the elastic pressing plate is fixedly connected with a pull rope.

Compared with the prior art, the utility model provides a hanging earthing switch is plucked to distribution network overhead line possesses following beneficial effect:

1. this hanging earthing switch is plucked to distribution network overhead line through the threaded sleeve and the conductive screw that are equipped with, through the rotation connection effect of threaded sleeve and U-shaped cardboard, colludes the ring through the insulating rod pulling, makes conductive screw and conductive pressing plate support to lean on or the separation can realize electrically conducting or the disconnection, need not to ascend a height the operation, has stopped the risk that electrocutes and high altitude fall, has guaranteed personnel's life safety.

2. This distribution network overhead line picks hanging earthing switch, through the screw sleeve pipe and the conductive screw who is equipped with, be in the same place through screw thread relative connection between screw sleeve pipe and the conductive screw, can adjust conductive screw's relative height, can adjust the use according to the user demand of difference, adjust conductive screw's position after, rotate positioning nut, it is spacing to make positioning nut stabilize the centre gripping to screw sleeve's breach department, after positioning nut removes to final position, through stay cord pulling elastic pressing plate messenger elastic pressing plate's one end perk, rotate elastic pressing plate, make the locating piece aim at constant head tank department, loosen the stay cord, it is spacing to positioning nut's firm can be realized in the constant head tank to utilize elastic pressing plate's restoring force messenger locating piece to insert, structural stability has been guaranteed.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses need not the operation of ascending a height, stopped the risk that electrocutes and high altitude fall, guaranteed personnel's life safety.

Drawings

Fig. 1 is a schematic structural view of a power distribution network overhead line hanging type earthing switch provided by the utility model;

fig. 2 is the utility model provides a distribution network overhead line picks structural schematic of hanging earthing switch A part.

In the figure: 1 insulating support, 2 conductive pressing plates, 3 binding posts, 4 mounting brackets, 5U-shaped clamping plates, 6 threaded sleeves, 7 conductive screws, 8 notches, 9 positioning nuts, 10 positioning mechanisms, 101 fixing rods, 102 elastic pressing plates, 103 trepanning holes, 104 limiting ring plates, 105 positioning blocks, 106 positioning grooves, 11 hook rings and 12U-shaped limiting frames.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a power distribution network overhead line hanging type earthing switch, including insulating pillar 1, insulating pillar 1's upper end fixedly connected with conducting pressing plate 2, conducting pressing plate 2's upper end fixedly connected with terminal 3, insulating pillar 1's lower extreme fixedly connected with installing support 4, installing support 4 keeps away from insulating pillar 1's one end upside fixedly connected with U-shaped cardboard 5, it is connected with same threaded sleeve 6 to rotate through the pivot between the vertical lateral wall in the relative one side of U-shaped cardboard 5, threaded sleeve 6's internal thread is connected with electrically conductive screw 7, threaded sleeve 6's upper end lateral wall is seted up jaggedly 8, threaded sleeve 6 corresponds the outer wall threaded connection of upper end breach 8 department and has positioning nut 9, threaded sleeve 6's upper end outer wall symmetry fixedly connected with two positioning mechanism 10 that are used for fixed positioning nut 9, conductive screw 7's pole wall fixedly connected with colludes.

The lower end of the conductive pressing plate 2 is fixedly connected with a U-shaped limiting frame 12 for limiting the conductive screw 7, and the conductive screw 7 can be effectively limited.

The thickness of the pipe at the position of the threaded sleeve 6 corresponding to the notch 8 is larger than that of the pipe at other positions, so that the positioning nut 9 can provide a stable extrusion clamping force when moving to the position.

The positioning mechanism 10 comprises a fixed rod 101 fixedly connected to the outer wall of the upper end of the threaded sleeve 6, an elastic pressure plate 102 is movably sleeved on the rod wall of the fixed rod 101, a sleeve hole 103 is formed in the surface of the elastic pressure plate 102 and movably sleeved outside the fixed rod 101, two limiting ring plates 104 symmetrically arranged relative to the elastic pressure plate 102 are fixedly connected to the rod wall of the fixed rod 101, a positioning block 105 is fixedly connected to the side wall of the lower end of the elastic pressure plate 102, and a positioning groove 106 correspondingly connected with the positioning block 105 in an inserting mode is formed in the outer wall of the.

The inner side wall of the trepanning 103 is fixedly connected with a layer of damping rubber pad.

The outer wall of the elastic pressing plate 102 is fixedly connected with a pull rope, so that people can pull the elastic pressing plate 102 conveniently.

In the utility model, when in use, the conductive screw 7 is abutted against or separated from the conductive pressing plate 2 to realize the conduction or disconnection through the rotation connection action of the threaded sleeve 6 and the U-shaped clamping plate 5 and the hook ring 11 is pulled by the insulating rod through the rotation connection action of the threaded sleeve 6 and the U-shaped clamping plate 5, the ascending operation is not needed, the risk of electric shock and high-altitude falling is avoided, the life safety of personnel is ensured, the threaded sleeve 6 and the conductive screw 7 are relatively connected together through the thread, the relative height of the conductive screw 7 can be adjusted, the adjustment and the use can be carried out according to different use requirements, after the position of the conductive screw 7 is adjusted, the positioning nut 9 is rotated to ensure that the positioning nut 9 stably clamps and limits the gap of the threaded sleeve 6, after the positioning nut 9 is moved to the final position, the pull rope pulls the elastic pressing plate 102 to enable one end of the elastic pressing plate 102 to be tilted, the elastic pressing plate 102 is rotated to enable the positioning block 105 to be aligned to the positioning groove 106, the pull rope is loosened, the positioning block 105 is inserted into the positioning groove 106 through restoring force of the elastic pressing plate 102, and therefore the positioning nut 9 can be stably limited, and structural stability is guaranteed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A removable and hanging type ground cutter for overhead lines of a power distribution network comprises an insulating support (1) and is characterized in that a conductive pressing plate (2) is fixedly connected to the upper end of the insulating support (1), a binding post (3) is fixedly connected to the upper end of the conductive pressing plate (2), a mounting support (4) is fixedly connected to the lower end of the insulating support (1), a U-shaped clamping plate (5) is fixedly connected to the upside of one end, away from the insulating support (1), of the mounting support (4), the same threaded sleeve (6) is rotatably connected between the vertical side walls on one side, opposite to the U-shaped clamping plate (5), of the U-shaped clamping plate through a rotating shaft, a conductive screw (7) is connected to the inner threads of the threaded sleeve (6), a notch (8) is formed in the side wall on the upper end of the threaded sleeve (6), and a positioning nut (9, the outer wall of the upper end of the threaded sleeve (6) is symmetrically and fixedly connected with two positioning mechanisms (10) used for fixing the positioning nuts (9), and the rod wall of the conductive screw rod (7) is fixedly connected with a hook ring (11).

2. The removable earthing knife for overhead lines of power distribution networks according to claim 1, wherein the lower end of the conductive pressure plate (2) is fixedly connected with a U-shaped limiting frame (12) for limiting the conductive screw (7).

3. The removable grounding knife for overhead lines of power distribution networks according to claim 1, characterized in that the thickness of the pipe at the position of the threaded sleeve (6) corresponding to the notch (8) is larger than that of the pipe at other positions.

4. The removable and hanging type earthing knife for the overhead line of the power distribution network according to claim 1, wherein the positioning mechanism (10) comprises a fixed rod (101) fixedly connected to the outer wall of the upper end of the threaded sleeve (6), the rod wall of the fixed rod (101) is movably sleeved with an elastic pressing plate (102), a sleeve hole (103) movably sleeved outside the fixed rod (101) is formed in the surface of the elastic pressing plate (102), two limiting ring plates (104) symmetrically arranged with respect to the elastic pressing plate (102) are fixedly connected to the rod wall of the fixed rod (101), a positioning block (105) is fixedly connected to the side wall of the lower end of the elastic pressing plate (102), and a positioning groove (106) correspondingly inserted into the positioning block (105) is formed in the outer wall of the positioning nut (9).

5. The removable earthing knife of claim 4, wherein a layer of damping rubber pad is fixedly connected to the inner side wall of the sleeve hole (103).

6. The removable grounding knife for the overhead line of the power distribution network according to claim 4, characterized in that a pull rope is fixedly connected to the outer wall of the elastic pressing plate (102).