CN216121730U

CN216121730U - Line column type insulator neck fastener

Info

Publication number: CN216121730U
Application number: CN202122408921.XU
Authority: CN
Inventors: 陈招明; 刘绮; 刘义敏; 黄硕; 王义敬
Original assignee: Jiangxi Gao Qinag Ceramic Insulator Group Co ltd
Current assignee: Jiangxi Gao Qinag Ceramic Insulator Group Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-22
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to the technical field of cable installation, in particular to a line column type insulator neck wire clamp which comprises clamping plates, a screw rod, a pressing plate and a sleeve, wherein the two clamping plates are combined into a round hole matched with the neck of an insulator from top to bottom, first through holes are formed in the two ends of the clamping plates, the first through holes of the two clamping plates are overlapped with each other, the screw rod penetrates through the first through hole, a nut at the lower end of the screw rod is abutted against the clamping plates, second through holes are formed in the two ends of the pressing plate, the sleeve in threaded connection with the screw rod is arranged at the upper end of the screw rod, the sleeve penetrates through the second through hole, the nut at the upper end of the sleeve is abutted against the upper end face of the pressing plate, a first clamping groove penetrating through the pressing plate from front to back is formed in the middle part of the lower end of the pressing plate, an adjusting block is embedded in the first clamping groove, a second clamping groove penetrating through the adjusting block from front to back is formed in the lower end of the adjusting block, an adjusting rod longitudinally penetrating through the pressing plate and connected with the adjusting block is arranged on the pressing plate, the adjusting rod is in threaded connection with the pressing plate.

Description

Line column type insulator neck fastener

Technical Field

The utility model relates to the technical field of cable installation, in particular to a line column type insulator neck wire clamp.

Background

Column type insulator is used for fixed high tension cable usually, the cable is placed in the wire casing of column type insulator upper end during the use, reuse ligature winding's mode is binded cable and pin insulator fixedly, this kind of mode inefficiency, and bind the mode and bind the elasticity and do not have unified standard, randomness is big, lead to solidly not firm easily, long-time use can become flexible and appear taking off even, the ligature adopts metal wires such as aluminium wire usually, direct winding is on the sheath of cable, can cause the sheath of cable damage, cause the overheated electric leakage of cable or even danger such as short circuit easily, and insulated cable can have the electric leakage hidden danger with metal wire direct contact. At present, the conventional cable fixing mode is improved by the prior art, and the cable is fixed on the insulator by using the cable fixing mechanism, but the conventional cable fixing mechanism is not high enough in strength generally, has fracture risk after being used for a long time, and is not ideal in cable fixing effect.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a line post type insulator neck clamp.

The utility model adopts the following technical scheme: a line column type insulator neck wire clamp comprises clamping plates, a screw rod, a pressing plate and a sleeve, wherein the two clamping plates are combined into a round hole matched with the neck of an insulator from top to bottom, the two ends of the clamping plate are provided with first through holes, the first through holes of the two clamping plates are mutually overlapped, the screw rod penetrates through the first through hole, the screw cap at the lower end of the screw rod is abutted to the clamping plate, the two ends of the pressure plate are provided with second through holes, the upper end of the screw rod is provided with a sleeve which is in threaded connection with the screw rod, the sleeve penetrates through the second through hole, a screw cap at the upper end of the sleeve is abutted against the upper end face of the pressing plate, a first clamping groove which penetrates through the pressing plate from front to back is arranged in the middle of the lower end of the pressing plate, an adjusting block is embedded in the first clamping groove, a second clamping groove which penetrates through the adjusting block from front to back is arranged at the lower end of the adjusting block, the pressing plate is provided with an adjusting rod which longitudinally penetrates through the pressing plate and is connected with the adjusting block, and the adjusting rod is in threaded connection with the pressing plate.

Preferably, the inner bottom surface of the first clamping groove is provided with a third through hole which longitudinally penetrates through the pressing plate, the upper end of the adjusting block is provided with a connecting groove corresponding to the third through hole, and the adjusting rod penetrates through the third through hole and is embedded into the connecting groove.

Preferably, the upper end face of the adjusting block is provided with a plurality of limiting columns, and the inner bottom face of the first clamping groove is provided with a plurality of limiting grooves matched with the limiting columns.

Preferably, the inner bottom surface of the first clamping groove is provided with a plurality of transverse first anti-skid protrusions, and the inner bottom surface of the second clamping groove is provided with a plurality of transverse second anti-skid protrusions.

Preferably, the first clamping groove and the second clamping groove are both arc-shaped structures, and the upper end face of the adjusting block is matched with the first clamping groove.

Preferably, the lower end of the pressing plate is provided with a transverse reinforcing rib, and the reinforcing ribs are respectively positioned on two sides of the first clamping groove.

Preferably, the upper end of clamp plate is equipped with the protection casing, the both ends of protection casing are equipped with the first lag with the sleeve adaptation, the middle part of protection casing is equipped with and adjusts the second lag of pole adaptation, the clamp plate is connected with the protection casing buckle.

Preferably, the height of the adjusting block is greater than the depth of the first clamping groove, and the width of the adjusting block is smaller than that of the wire groove.

The utility model has at least one of the following beneficial effects:

according to the utility model, a screw rod penetrates through the overlapped first through hole at one end of the two clamping plates, then the two clamping plates are combined and clamped at the neck part of the insulator, and the second screw rod penetrates through the first through hole at the other end, so that the clamping plates are locked at the neck part of the insulator, and the pressing plate is pressed down by rotating the sleeve, so that the first clamping groove or the second clamping groove can be tightly pressed with a cable in the wire groove; first draw-in groove and second draw-in groove all with the wire casing adaptation of insulator upper end, all can be used to the fixed cable, just dismantle the regulating block during the great cable of fixed dimension, then install the regulating block during fixed less cable, adjust the pole through screwing for the regulating block pushes down, thereby can improve the fixed effect of regulating block to the cable.

Drawings

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the preferred embodiment of the present invention with the protective cover removed;

FIG. 3 is a schematic view of the construction of the splint according to the preferred embodiment of the present invention;

FIG. 4 is a schematic view of the combination of two clamping plates according to the preferred embodiment of the present invention;

FIG. 5 is a schematic view of the platen in a preferred embodiment of the utility model, shown in an overhead view;

FIG. 6 is a schematic top view of an adjustment block in accordance with a preferred embodiment of the present invention;

FIG. 7 is a schematic side view of an adjustment block in the preferred embodiment of the present invention;

fig. 8 is a schematic view of the structure of the adjusting block on the back in the preferred embodiment of the present invention.

Description of reference numerals:

11 splint, 111 first through-hole, 12 screw rods, 13 clamp plate, 131 second through-hole, 132 first draw-in groove, 133 third through-hole, 134 spacing groove, 135 first anti-skidding arch, 136 strengthening rib, 14 sleeve, 15 regulating block, 151 connecting groove, 152 adjusting rod, 153 second draw-in groove, 154 spacing post, 155 second anti-skidding arch, 16 protection casing, 161 first lag, 162 second lag.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center, longitudinal, transverse, length, width, thickness, upper, lower, front, rear, left, right, vertical, horizontal, top, bottom, inner, outer, clockwise, counterclockwise" and the like refer to orientations or positional relationships illustrated in the drawings, which are used for convenience in describing the present invention and simplifying the description, and do not refer to or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.

Referring to fig. 1 to 8, in a preferred embodiment of the present invention, a line post type insulator neck portion wire clamp includes a clamping plate 11, a screw 12, a pressing plate 13, and a sleeve 14, wherein the two clamping plates 11 are combined into a circular hole adapted to a neck portion of an insulator, first through holes 111 are formed at two ends of the clamping plate 11, the first through holes 111 of the two clamping plates 11 are overlapped with each other, the screw 12 penetrates through the first through hole 111, a nut at a lower end of the screw 12 abuts against the clamping plate 11, second through holes 131 are formed at two ends of the pressing plate 13, the sleeve 14 is screwed to the screw 12 at an upper end of the screw 12, the sleeve 14 penetrates through the second through holes 131, a nut at an upper end of the sleeve 14 abuts against an upper end surface of the pressing plate 13, a first clamping groove 132 penetrating through the pressing plate 13 in a front-rear manner is formed in a middle portion of a lower end of the pressing plate 13, an adjusting block 15 is provided with a third through hole 133 longitudinally penetrating through the inner bottom surface of the pressing plate 132, a connecting groove 151 corresponding to the third through hole 133 is formed in the upper end of the adjusting block 15, the pressing plate 13 is provided with an adjusting rod 152 which penetrates through the third through hole 133 and is embedded into the connecting groove 151, the adjusting rod 152 is in threaded connection with the inner wall of the third through hole 133, and the lower end of the adjusting block 15 is provided with a second clamping groove 153 which penetrates through the adjusting block from front to back. In the utility model, a screw 12 penetrates through the overlapped first through hole 111 at one end of the two clamping plates 11, then the two clamping plates 11 are combined and clamped at the neck of the insulator, and the second screw 12 penetrates through the first through hole 111 at the other end, so that the clamping plates 11 are locked at the neck of the insulator, and the sleeve 14 is rotated to press the pressing plate 13 down, so that the first clamping groove 132 or the second clamping groove 153 can be tightly pressed with a cable in a wire slot; first draw-in groove 132 and second draw-in groove 153 all with the wire casing adaptation of insulator upper end, all can be used to the fixed cable, just dismantle regulating block 15 during the great cable of fixed dimension, then install regulating block 15 during fixed less cable, adjust pole 152 through screwing for regulating block 15 pushes down, thereby can improve the fixed effect of regulating block 15 to the cable.

As a preferred embodiment of the present invention, it may also have the following additional technical features:

the upper end face of the adjusting block 15 is provided with a plurality of limiting columns 154, the inner bottom face of the first clamping groove 132 is provided with a plurality of limiting grooves 134 matched with the limiting columns 154, and the limiting columns 154 are embedded into the limiting grooves 134, so that the adjusting block 15 is connected with the pressing plate 13 and cannot fall off; in this embodiment, two limiting posts 154 are provided, and are located in the middle of the upper end surface of the adjusting block 15 and distributed front and back, and the third through hole 133 is located between the two limiting grooves 134.

The inner bottom surface of the first clamping groove 132 is provided with a plurality of transverse first anti-slip protrusions 135, the inner bottom surface of the second clamping groove 153 is provided with a plurality of transverse second anti-slip protrusions 155, and when the first clamping groove 132 or the second clamping groove 153 is in compression joint with a cable in a wire groove, the first anti-slip protrusions 135 or the second anti-slip protrusions 155 can press the cable sheath tightly, so that the cable is prevented from loosening, and the fixing effect is better; in this embodiment, two first anti-slip protrusions 135 are disposed between the limiting groove 134 and the third through hole 133, and three second anti-slip protrusions 155 are disposed in front of and behind each other.

First draw-in groove 132 and second draw-in groove 153 are the arc structure, the up end and the first draw-in groove 132 looks adaptation of regulating block 15, the arc structure can be better with the wire casing cooperation, regulating block 15 is better with the adaptation degree of first draw-in groove 132, can prevent that regulating block 15 from to the stress concentration of first draw-in groove 132 inner wall.

The lower extreme of clamp plate 13 is equipped with horizontal strengthening rib 136, and strengthening rib 136 is located the both sides of first draw-in groove 132 respectively, and the structure of strengthening rib 136 has improved the mechanical strength of clamp plate 13, can avoid the cracked condition to appear in clamp plate 13.

The upper end of the pressure plate 13 is provided with the protective cover 16, the two ends of the protective cover 16 are provided with the first protective covers 161 matched with the sleeves 14, the middle of the protective cover 16 is provided with the second protective covers 162 matched with the adjusting rods 152, the pressure plate 13 is connected with the protective cover 16 in a buckling mode, the upper ends of the sleeves 14 or the screw rods 12 are embedded into the first protective covers 161, the upper ends of the adjusting rods 152 are embedded into the second protective covers 162, the protective cover 16 can be insulated to prevent electric leakage, the stability of the electric leakage protection device is improved, and the buckling connection is convenient to disassemble and assemble; in this embodiment, the adjusting rod 152 is a stud, and a nut at the upper end of the adjusting rod abuts against the pressing plate 13.

The height of the adjusting block 15 is greater than the depth of the first clamping groove 132, and the width of the adjusting block 15 is smaller than that of the wire groove, so that the adjusting block 15 can be conveniently embedded into the wire groove to be in compression joint with a cable with a smaller size; in this embodiment, the second clamping groove 153 of the adjusting block 15 can be adapted to the cable with the radius of 10-15 mm, and the first clamping groove 132 of the pressing plate 13 can be adapted to the cable with the radius of 15-30 mm.

The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.

The above description is only a preferred embodiment of the present invention, and the technical solutions that achieve the objects of the present invention by basically the same means are all within the protection scope of the present invention.

Claims

1. A line column type insulator neck wire clamp comprises a clamping plate (11), a screw rod (12), a pressing plate (13) and a sleeve (14), and is characterized in that the two clamping plates (11) are combined into a round hole matched with the neck of an insulator from top to bottom, first through holes (111) are formed in the two ends of the clamping plate (11), the first through holes (111) of the two clamping plates (11) are overlapped with each other, the screw rod (12) penetrates through the first through hole (111) and a nut at the lower end of the screw rod (12) is abutted to the clamping plate (11), second through holes (131) are formed in the two ends of the pressing plate (13), the sleeve (14) in threaded connection with the screw rod (12) is arranged at the upper end of the screw rod (12), the sleeve (14) penetrates through the second through hole (131), the nut at the upper end of the sleeve (14) is abutted to the upper end face of the pressing plate (13), a first clamping groove (132) which penetrates through the pressing plate (13) from front to back is arranged in the middle of the lower end of the pressing plate (13), the embedded regulating block (15) that is equipped with of first draw-in groove (132), second draw-in groove (153) that runs through regulating block (15) around the lower extreme of regulating block (15) is equipped with, be equipped with on clamp plate (13) and vertically run through clamp plate (13) and adjust pole (152) be connected with regulating block (15), adjust pole (152) and clamp plate (13) threaded connection.

2. A post insulator neck clamp according to claim 1, wherein the inner bottom surface of the first engaging groove (132) is provided with a third through hole (133) extending longitudinally through the pressing plate (13), the upper end of the adjusting block (15) is provided with a connecting groove (151) corresponding to the third through hole (133), and the adjusting rod (152) extends through the third through hole (133) and is inserted into the connecting groove (151).

3. A post insulator neck clamp according to claim 1, wherein the adjusting block (15) has a plurality of limiting posts (154) on the upper end surface thereof, and the first engaging groove (132) has a plurality of limiting grooves (134) on the inner bottom surface thereof for engaging with the limiting posts (154).

4. A post insulator neck clamp according to claim 1, wherein the inner bottom surface of the first engaging groove (132) is provided with a plurality of first lateral non-slip protrusions (135), and the inner bottom surface of the second engaging groove (153) is provided with a plurality of second lateral non-slip protrusions (155).

5. The post insulator neck clamp of claim 1, wherein the first clamping groove (132) and the second clamping groove (153) are both arc-shaped, and the upper end face of the adjusting block (15) is matched with the first clamping groove (132).

6. A post insulator neck clamp according to claim 1, wherein the lower end of the pressure plate (13) is provided with a transverse rib (136), the ribs (136) being located on either side of the first slot (132).

7. A post insulator neck clamp according to claim 1, wherein a protective cover (16) is provided at the upper end of the pressing plate (13), a first protective sleeve (161) adapted to the sleeve (14) is provided at both ends of the protective cover (16), a second protective sleeve (162) adapted to the adjusting rod (152) is provided at the middle of the protective cover (16), and the pressing plate (13) is snap-fitted to the protective cover (16).

8. A line post insulator neck clamp as claimed in claim 1, wherein the height of the adjustment block (15) is greater than the depth of the first slot (132), and the width of the adjustment block (15) is less than the width of the slot.