CN218770097U - Lightning protection puncture earth clamp - Google Patents

Abstract

The utility model discloses a lightning protection puncture earth clamp, which comprises a housin, fixedly connected with centre gripping fixed plate in the casing, fixedly connected with puncture fixed plate in the casing, all be provided with the V-arrangement groove of two sets of symmetries on centre gripping fixed plate and the puncture fixed plate, centre gripping fixed plate and puncture fixed plate top all have a fixed pressing plate through lead screw threaded connection, V-arrangement groove side face is provided with the first groove of stepping down, centre gripping fixed plate and puncture fixed plate middle part all are provided with the second groove of stepping down. This kind of lightning protection puncture earth clamp carries on spacingly through the V-arrangement groove, and cooperation fixed pressing plate can realize fixed to the centre gripping of cable, improves the application scope fixed to not unidimensional cable, guarantees the benign contact of puncture piece and cable, avoids the cable to drop from the casing simultaneously, improves the stability of centre gripping.

Description

Lightning protection puncture earth clamp

Technical Field

The utility model relates to a ground clamp technical field specifically is a lightning protection puncture ground clamp.

Background

When the high-voltage equipment is subjected to power failure maintenance or other work, the damage of equipment suddenly coming and the induction voltage generated by adjacent high-voltage electrified equipment to a human body is prevented, particularly lightning protection is realized, the equipment grounding wire and the grounding wire clamp are safety appliances for grounding, the grounding wire clamp is arranged on a cable with a rubber sheath, a puncture sheet is adopted to penetrate through the sheath of the cable, the puncture sheet is arranged in a shell of the wire clamp to realize the grounding of the cable, but the application range of the grounding wire clamp is limited due to different thicknesses of the cable, so that the grounding wire clamp which can adjust the clamping position of an upper pressure plate by using a screw rod appears in the prior art, for example, a utility model with the application number of CN202221411195.5 discloses a general grounding puncture electroscope, set up corresponding stopper through the both sides at arc arrangement face, can laminate the side profile of cable and ground ring, make it can be when receiving the effect, do not take place the skew, keep in central point and put, wherein the stopper is arc structure cooperation arc arrangement face, and camber between the two keeps unanimous, but the fastener of upper and lower splint formula leads to the cable to drop from one side easily, and because the spacing contact surface of upper and lower clamping piece and cable is the arcwall face, the centre gripping to not unidimensional cable has been restricted, for example, the size when the cable is less, the arc spacing inslot of clamping piece can be hugged closely down to the cable, the arc spacing groove of going up the clamping piece is difficult to contact the cable, and when the cable size is great, the cable is difficult to the joint in the arcwall, the bad condition of contact can appear with the cable to the puncture piece. Therefore, a lightning protection puncture grounding wire clamp is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lightning protection puncture earth clamp to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lightning protection puncture earth clamp, includes the casing, be provided with the earthing ring on the casing, casing bilateral symmetry is provided with the through wires hole, fixedly connected with centre gripping fixed plate in the casing, the centre gripping fixed plate is provided with two and the symmetry sets up both sides in the casing, fixedly connected with puncture fixed plate in the casing, the puncture fixed plate is provided with two at least, the puncture fixed plate sets up middle part in the casing, all be provided with the V-arrangement groove of two sets of symmetries on centre gripping fixed plate and the puncture fixed plate, all there is the solid fixed pressing plate centre gripping fixed plate and puncture fixed plate top through lead screw threaded connection, the lead screw upper end runs through the casing setting and is connected with the handle, is located on the centre gripping fixed plate the solid fixed pressing plate bottom fixedly connected with elasticity pad is located puncture fixed plate top gu the solid fixed pressing plate bottom fixedly connected with puncture piece, V-arrangement groove side is provided with first groove of stepping down, centre gripping fixed plate and puncture fixed plate middle part all are provided with the second groove of stepping down.

Preferably, the casing includes casing, lower casing and connection otic placode, peg graft each other between casing and the lower casing on going up, go up the equal fixedly connected with connection otic placode in the edge that casing and lower casing are close to each other, two are adjacent the connection otic placode passes through the mounting and connects, the equal fixed connection of centre gripping fixed plate and puncture fixed plate is in the inside of casing down.

Preferably, the side face of the fixed pressing plate is fixedly connected with a limiting block, a limiting groove is formed in the inner wall of the shell, and the limiting block is movably clamped in the limiting groove.

Preferably, a limiting rod is fixedly connected in the shell and penetrates through the fixed pressing plate.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of lightning protection puncture earth clamp can be leading-in to the casing inside with the cable through the through wires hole, make the through wires hole carry on spacingly through the V-arrangement groove on centre gripping fixed plate and the puncture fixed plate, cooperation fixed pressing plate, can realize that the centre gripping to the cable is fixed, utilize the cooperation of V-arrangement groove and fixed pressing plate, improve the application scope fixed to not unidimensional cable, guarantee the benign contact of puncture piece and cable, avoid the cable to drop from the casing simultaneously, improve the stability of centre gripping, guarantee the ground connection effect, it realizes the regulation to the fixed pressing plate height to drive the lead screw rotation through the handle, the regulative mode is comparatively simple swift.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a front sectional view of the housing of the present invention.

In the figure: the puncture device comprises a shell 1, an upper shell 101, a lower shell 102, a connecting lug plate 103, a threading hole 2, a clamping fixing plate 3, a puncture fixing plate 4, a V-shaped groove 5, a screw rod 6, a fixing pressing plate 7, a handle 8, a limiting groove 9, a limiting block 10, a limiting rod 11, a first abdicating groove 12, a second abdicating groove 13, an elastic pressing pad 14, a puncture piece 15 and a grounding ring 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a lightning protection grounding wire clamp comprises a shell 1, wherein a grounding ring 16 is arranged on the shell 1, two sides of the shell 1 are symmetrically provided with two groups of threading holes 2, and the two groups of threading holes 2 are arranged on two opposite side surfaces, so that a cable can enter the shell 1 through the threading holes 2 on one side and then penetrate out of the threading holes 2 on the other side;

the shell 1 comprises an upper shell 101, a lower shell 102 and connecting lug plates 103, the upper shell 101 and the lower shell 102 are mutually inserted, the edges of the upper shell 101 and the lower shell 102, which are close to each other, are fixedly connected with the connecting lug plates 103, two adjacent connecting lug plates 103 are connected through fixing pieces, a clamping fixing plate 3 and a puncture fixing plate 4 are fixedly connected in the lower shell 102, the upper shell 101 and the lower shell 102 are connected through the matching of the connecting lug plates 103 and the fixing pieces, so that the disassembly and the installation are convenient, the fixing pieces can be matching pieces of bolts and nuts, the bolts are inserted into through holes in the connecting lug plates 103 and are locked and fixed by the nuts, in addition, the nuts can be butterfly nuts, so that the direct operation is convenient, the maintenance of the interior is convenient after the shell 101 and the shell 102 are separated, and the cables are convenient to place;

the clamping fixing plates 3 are fixedly connected in the shell 1, the two clamping fixing plates 3 are symmetrically arranged on two sides in the shell 1, the clamping fixing plates 3 are located on the side faces corresponding to the two groups of threading holes 2, so that after a cable enters the shell 1 through the threading holes 2, the cable is firstly clamped and stabilized through the clamping fixing plates 3, and when the cable is finally led out of the shell 1, the cable is limited by the clamping fixing plates 3 again and then penetrates out of the threading holes 2 on the other side, and the stability of the cable is ensured and the displacement of the cable is avoided due to the arrangement of the two groups of clamping fixing plates 3;

the puncture fixing plates 4 are fixedly connected in the shell 1, at least two puncture fixing plates 4 are arranged, the puncture fixing plates 4 are arranged in the middle of the inside of the shell 1, the puncture fixing plates 4 are positioned between the two clamping fixing plates 3, and a plurality of groups of puncture fixing plates 4 are arranged at intervals, as shown in fig. 2;

two groups of symmetrical V-shaped grooves 5 are arranged on the clamping fixing plate 3 and the puncture fixing plate 4, fixing pressing plates 7 are connected to the upper portions of the clamping fixing plate 3 and the puncture fixing plate 4 through screw threads of a screw rod 6, the upper end of the screw rod 6 penetrates through the shell 1 and is connected with a handle 8, the bottom surface of the V-shaped fixing groove 5 is an arc surface, two side surfaces of the V-shaped fixing groove 5 are matching surfaces of the arc surface and an inclined surface, when a cable enters the V-shaped groove 5, the cable with a circular cross section can be clamped in the V-shaped groove 5 according to the size, the bottom end of the screw rod 6 is movably connected with the bottom in the shell 1, the upper end of the handle 8 penetrates through the shell 1, the connection between the handle 8 and the upper end of the screw rod 6 can be movably clamped, the handle 8 can be conveniently taken down, the upper shell 101 and the lower shell 102 are separated, the screw rod 6 can be driven to rotate through the handle 8, under the effect of screw thread connection, the fixing pressing plates 7 can move downwards until the bottom of the fixing pressing plates 7 can be abutted against the cable clamped in the V-shaped groove 5, and the cable can be clamped and fixed;

the side surface of the fixed pressing plate 7 is fixedly connected with a limiting block 10, the inner wall of the shell 1 is provided with a limiting groove 9, the limiting block 10 is movably clamped in the limiting groove 9, a limiting rod 11 is fixedly connected in the shell 1, the limiting rod 11 penetrates through the fixed pressing plate 7, when the fixed pressing plate 7 moves up and down, the limiting block 10 can move in the limiting groove 9 to play a limiting and guiding role for the fixed pressing plate 7, the limiting rod 11 and the lead screw 6 can be positioned at two ends, different from the fixed pressing plate 7, to play a limiting role, and the fixed pressing plate 7 is prevented from inclining;

an elastic pressure pad 14 is fixedly connected to the bottom end of the fixed pressure plate 7 on the clamping fixed plate 3, the elastic pressure pad 14 can be a rubber pad, and the position of the elastic pressure pad 14 corresponds to the position of the V-shaped groove 5 on the clamping fixed plate 3, so that when the fixed pressure plate 7 moves downwards, the elastic pressure pad 14 is abutted against the surface of the cable, and the surface of the cable is pressed;

the bottom end of the fixed pressing plate 7 positioned above the puncture fixing plate 4 is fixedly connected with a puncture sheet 15, the bottom end of the puncture sheet 15 is provided with a sharp thorn, and the puncture sheet 15 is arranged corresponding to the position of the V-shaped groove 5 on the fixed pressing plate 7, so that the puncture sheet 15 can be contacted with a cable when the fixed pressing plate 7 moves downwards, and the sharp thorn can be also arranged on the V-shaped groove 5 on the puncture fixing plate 4 to ensure the puncture effect and can be arranged according to the use requirement;

the side of the V-shaped groove 15 is provided with a first abdicating groove 12, the middle parts of the clamping fixing plate 3 and the puncture fixing plate 4 are provided with a second abdicating groove 13, the first abdicating groove 12 and the second abdicating groove 13 are both arranged corresponding to the position of the fixing pressing plate 7 corresponding to the first abdicating groove 12, and the width of the first abdicating groove 12 and the second abdicating groove 13 is greater than or equal to the width of the fixing pressing plate 7, so that when the fixing pressing plate 7 moves downwards, the downward clamping can be carried out in the first abdicating groove 12 and the second abdicating groove 13, and the fixing pressing plate 7 can be ensured to be contacted with the cable in the V-shaped groove 5.

When using, behind the through wires hole 2 of cable accessible one side entered into casing 1, loop through behind the V-arrangement groove 5 on one side centre gripping fixed plate 3, enter into the V-arrangement groove 5 on the puncture fixed plate 4, after passing through the V-arrangement groove 5 on the centre gripping fixed plate 3 again at last, derive casing 1 through the through wires hole 2 of opposite side, can drive lead screw 6 rotatory through handle 8, under threaded connection's effect, make holding plate 7 downstream, until the surperficial butt of elasticity pressure pad 14 and cable, play the effect of compressing tightly to the cable surface, and puncture piece 15 can contact with the cable, realize the puncture purpose, cooperation through V-arrangement groove 5 and holding plate 7, guarantee the centre gripping to the cable, improve the benign contact of puncture piece 15 and cable.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a lightning protection puncture earth clamp, includes casing (1), its characterized in that: the shell (1) is provided with a grounding ring (16), two sides of the shell (1) are symmetrically provided with threading holes (2), the clamping fixing plates (3) are fixedly connected in the shell (1), two clamping fixing plates (3) are symmetrically arranged on two sides in the shell (1), a puncture fixing plate (4) is fixedly connected in the shell (1), at least two puncture fixing plates (4) are arranged, the puncture fixing plates (4) are arranged in the middle of the inner part of the shell (1), two groups of symmetrical V-shaped grooves (5) are respectively arranged on the clamping fixing plate (3) and the puncture fixing plate (4), the upper parts of the clamping fixing plate (3) and the puncture fixing plate (4) are both connected with a fixed pressing plate (7) through screw threads of a screw rod (6), the upper end of the screw rod (6) penetrates through the shell (1) and is connected with a handle (8), the bottom end of the fixed pressing plate (7) positioned on the clamping fixed plate (3) is fixedly connected with an elastic pressing pad (14), the bottom end of the fixed pressing plate (7) positioned above the puncture fixed plate (4) is fixedly connected with a puncture sheet (15), a first abdicating groove (12) is arranged on the side surface of the V-shaped groove (15), and a second abdicating groove (13) is formed in the middle of each of the clamping fixing plate (3) and the puncture fixing plate (4).

2. The lightning protection piercing grounding clamp of claim 1, characterized in that: casing (1) includes casing (101), casing (102) and connection otic placode (103) down, go up casing (101) and peg graft each other between casing (102) down, go up the equal fixedly connected with connection otic placode (103) in the edge that casing (101) and casing (102) are close to each other down, two are adjacent connect otic placode (103) and connect through the mounting, the inside of casing (102) under the equal fixed connection of centre gripping fixed plate (3) and puncture fixed plate (4).

3. The lightning protection piercing grounding clamp of claim 1, characterized in that: the fixed pressing plate (7) is characterized in that a limiting block (10) is fixedly connected to the side face of the fixed pressing plate, a limiting groove (9) is formed in the inner wall of the shell (1), and the limiting block (10) is movably clamped in the limiting groove (9).

4. The lightning protection piercing grounding clamp of claim 1, characterized in that: the limiting rod (11) is fixedly connected in the shell (1), and the limiting rod (11) penetrates through the fixed pressing plate (7).

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