CN217115581U

CN217115581U - Cable termination turn-buckle

Info

Publication number: CN217115581U
Application number: CN202220726140.7U
Authority: CN
Inventors: 李雁梅; 胡芬; 谭威明; 高海明
Original assignee: Guangdong Huijie Electric Power Group Co Ltd; Guangdong Huijie Digital Research Institute
Current assignee: Guangdong Huijie Electric Power Group Co Ltd; Guangdong Huijie Digital Research Institute
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-08-02
Anticipated expiration: 2032-03-30

Abstract

The utility model discloses a cable termination turn-buckle, include: the first chuck comprises a first wire clamping part and an adjusting screw rod, and the adjusting screw rod is connected with the first wire clamping part; the second chuck, the second chuck includes that the second presss from both sides line portion and fixation nut, first press from both sides line portion and second press from both sides the centre gripping chamber that line portion formed the centre gripping cable jointly, the second presss from both sides line portion and is equipped with the through-hole that runs through in upper surface and lower surface, adjusting screw wears to locate the through-hole, the second presss from both sides line portion and can follow adjusting screw reciprocates, fixation nut with the lower surface butt that the second pressed from both sides line portion and with adjusting screw cooperation is connected, the second chuck is equipped with reference column and first draw-in groove, the reference column with first draw-in groove respectively with the left surface and the right flank of second clamp line portion are connected, the reference column with first draw-in groove cooperation. The utility model discloses can make a plurality of cable termination turn-buckles link together, make things convenient for the constructor to carry.

Description

Cable termination turn-buckle

Technical Field

The utility model relates to an electric power tool technical field, especially a cable termination turn-buckle.

Background

In order to guarantee the safe and stable operation of a power grid, when constructors lay lines, the cables are often required to be erected on telegraph poles or buildings through street codes, the cable ends are generally fixed by winding the cable ends around terminal street codes to be bent and under a tensioning state, metal wires or other fixing devices are used for binding or fixing the cable ends, the cable ends are separated from the street codes easily by loosening, potential safety hazards are brought, and constructors often need to fix the cable ends through tighteners.

But the cable is often established in higher position, and constructor need climb the eminence construction, and it is fixed that many cables just can be accomplished to climbing from top to bottom or taking a plurality of turn-buckles many times during the construction, brings the potential safety hazard for constructor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a cable termination turn-buckle.

The utility model provides a solution of its technical problem is:

a cable termination turnbuckle comprising:

the first chuck comprises a first wire clamping part and an adjusting screw rod, and the adjusting screw rod is connected with the first wire clamping part;

the second chuck, the second chuck includes second double-layered line portion and fixation nut, first double-layered line portion forms the centre gripping chamber of centre gripping cable with second double-layered line portion jointly, second double-layered line portion is equipped with the through-hole that runs through in upper surface and lower surface, adjusting screw wears to locate the through-hole, the second presss from both sides the line portion and can be followed adjusting screw reciprocates, fixation nut with the second press from both sides the lower surface butt of line portion and with adjusting screw cooperation is connected, the second chuck is equipped with reference column and first draw-in groove, the reference column is located the right flank of second double-layered line portion, first draw-in groove is located the left surface of second double-layered line portion, the reference column with first draw-in groove cooperation.

The utility model discloses following beneficial effect has at least: first double-layered line portion and second press from both sides the line portion and can press from both sides tight cable under adjusting screw and fixation nut's is fixed, avoid the cable end pine to take off and cause the accident, and, because the second chuck is equipped with reference column and first draw-in groove, the reference column of a cable termination turn-buckle can cooperate the joint with the first draw-in groove of another cable termination turn-buckle, thereby make two cable termination turn-buckles can link together, constructor when climbing the eminence and laying the circuit, conveniently carry a plurality of cable termination turn-buckles.

As a further improvement of the above technical scheme, the second chuck further comprises a protective cover, the protective cover is provided with a protective groove with an upward opening, the protective cover is detachably connected with the bottom of the second clamping line part, and the fixing nut is located in the protective groove. Set up the protective cover, can protect adjusting screw and fixation nut, avoid adjusting screw and fixation nut to rust to let cable termination turn-buckle more pleasing to the eye.

As a further improvement of the above technical scheme, the second wire clamping portion is provided with a hook, the protective cover is provided with a second clamping groove, and the hook is clamped with the second clamping groove. The protective cover is connected with the second wire clamping part in a clamping mode, and the dismounting and the mounting are convenient and fast.

As a further improvement of the above technical solution, the second chuck further includes a connection rope, one end of the connection rope is connected to the outer wall surface of the second chuck portion, and the other end of the connection rope is connected to the outer wall surface of the protective cover. In the process of construction, owing to be provided with the connection rope, the protective cover can not drop with the separation of second double-layered line portion, avoids the protective cover to lose.

As a further improvement of the above technical scheme, the cable terminal tightener is further provided with a hook, and the hook is connected with the outer wall surface of the protective cover. Set up the couple at the outer wall of protective cover, constructor can hang cable termination turn-buckle and put between the waist, conveniently carries to take when also making things convenient for the construction, improve the efficiency of construction.

As a further improvement of the above technical scheme, the outer wall surface of the protective cover is provided with a first groove and a second groove, the first groove is communicated with the second groove, the hook comprises a handle part and a hook part, and the handle part is rotatably connected with the inner wall surface of the first groove so that the hook part is turned over into the second groove. When the couple rotates the hook portion of couple towards the protective cover, the hook portion of couple can hold in the second recess, and when the couple rotates its hook portion when the protective cover dorsad, the couple holds in first recess and can hang and put waited position in constructor's waist, so set up, be favorable to the packing of cable terminal turn-buckle neat, convenient transportation.

As a further improvement of the above technical scheme, a lower end surface of the first wire clamping portion is an upwardly concave arc surface, an upper end surface of the second wire clamping portion is a downwardly concave arc surface, the first wire clamping portion and the second wire clamping portion are both provided with wire protection sleeves, and the wire protection sleeves are connected with an inner wall surface of the cable clamping cavity. The cable protection sleeve is arranged, so that the cable can be protected, and the electric leakage accident caused by the friction damage of the cable, the first wire clamping part and the second wire clamping part is avoided.

As a further improvement of the above technical solution, the first wire clamping portion is provided with a first bump, and the first bump is connected with the front side and/or the back side of the first wire clamping portion; the second wire clamping portion is provided with a second convex block, and the second convex block is connected with the front side face and/or the rear side face of the second wire clamping portion. Set up first lug and second lug, can increase the area of contact of cable and cable termination turn-buckle, the cable is difficult to be buckled to the centre gripping that makes the cable is more firm.

As a further improvement of the technical scheme, the second chuck is further provided with two limiting bosses which are respectively connected with the upper end surface and the lower end surface of the positioning column. Set up spacing boss, can avoid the reference column to remove and deviate from first draw-in groove along upper and lower direction in first draw-in groove, guaranteed the stability of reference column and first draw-in groove joint to, the fulcrum of reference column and first draw-in groove separation is given constructor to spacing boss, more convenient in unpack apart two joint cable termination turn-buckles together.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic view of the overall structure of a cable termination turnbuckle according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a cable termination turnbuckle of an embodiment of the present invention;

fig. 3 is a front view of a cable termination turnbuckle of an embodiment of the present invention;

fig. 4 is a cross-sectional view of the shield cover of fig. 3 in the direction a-a;

FIG. 5 is a schematic structural view of the hook according to the embodiment of the present invention when the hook portion protrudes;

FIG. 6 is a schematic structural view of a hook according to an embodiment of the present invention when the hook is hidden;

fig. 7 is a schematic structural diagram of two cable termination turnbuckles of the embodiment of the present invention.

Reference numerals: 100. a first chuck; 110. a first wire clamping part; 120. adjusting the screw rod; 200. a second chuck; 210. a second wire clamping part; 220. fixing a nut; 230. a positioning column; 240. a first card slot; 250. a hook; 260. a limiting boss; 300. a protective cover; 310. a second card slot; 320. hooking; 330. a first groove; 340. a second groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. The utility model provides an each technical feature can the interactive combination under the prerequisite of conflict each other.

Referring to fig. 1 to 7, a cable termination turnbuckle according to an embodiment of the present invention includes a first collet 100 and a second collet 200. The first chuck 100 comprises a first chuck part 110 and an adjusting screw 120, wherein the adjusting screw 120 is connected with the first chuck part 110; the second chuck 200 includes a second clamping portion 210 and a fixing nut 220, the first clamping portion 110 and the second clamping portion 210 together form a clamping cavity for clamping the cable, the second clamping portion 210 is provided with a through hole penetrating through the upper surface and the lower surface, the adjusting screw 120 penetrates through the through hole and is slidably connected with the inner wall surface of the through hole, the second clamping portion 210 can move up and down along the adjusting screw 120, and the fixing nut 220 is connected with the adjusting screw 120 in a matching manner and is abutted against the lower surface of the second clamping portion 210.

In this embodiment, the adjusting screw 120 is a U-shaped screw having an arc portion and two screw portions, the arc portion is located between the two screw portions, the first wire clamping portion 110 is wrapped around the outer surface of the arc portion, and the two screw portions extend downward out of the first wire clamping portion 110.

It can be understood that under the cooperation of the adjusting screw 120 and the fixing nut 220, the second wire clamping portion 210 can be close to the first wire clamping portion 110 to clamp the cable, and can also be far from the first wire clamping portion 110 to loosen the cable.

During construction, a constructor firstly separates the first chuck 100 and the second chuck 200, arranges a cable between the first chuck 100 and the second chuck 200, then connects the first chuck 100 and the second chuck 200, and rotates the fixing nut 220 to enable the first wire clamping part 110 and the second wire clamping part 210 to approach each other to a position where the cable can be stably clamped.

In this embodiment, the second chuck 200 is provided with a positioning column 230 and a first engaging groove 240, the positioning column 230 and the first engaging groove 240 are respectively connected to the left side surface and the right side surface of the second chuck portion 210, and the positioning column 230 and the first engaging groove 240 can be matched. In the present embodiment, the positioning pillar 230 is located at the left side of the second wire clamping portion 210, and the first card slot 240 is located at the right side of the second wire clamping portion 210.

It can be understood that cabling is generally a three-phase four-wire system, three phase wires and a zero line are needed, and the terminal of each cable is often fixed by two or more cable terminal tighteners, so that constructors need to take eight or more cable terminal tighteners to climb high positions to fix the cable. Second chuck 200 in this embodiment is equipped with reference column 230 and first draw-in groove 240, and in per two cable termination turn-buckles, the reference column 230 of one of them cable termination turn-buckle and the first draw-in groove 240 joint of another cable termination turn-buckle can link together a plurality of cable termination turn-buckles, and convenient in constructor carries, and moreover, it is also very convenient to unpack the cable termination turn-buckle that links together apart.

In some embodiments, the second chuck 200 is further provided with two limiting bosses 260, the two limiting bosses 260 are respectively connected with the upper end face and the lower end face of the positioning column 230, so as to be arranged, the positioning column 230 can be prevented from moving in the first clamping groove 240 along the up-down direction to be separated from the first clamping groove 240, the stability of the clamping connection of the positioning column 230 and the first clamping groove 240 is ensured, moreover, the limiting bosses 260 can provide a fulcrum for separating the positioning column 230 from the first clamping groove 240 for constructors, so that the two cable terminal tighteners clamped together in a clamping manner can be conveniently disassembled, and the construction is facilitated.

In this embodiment, the limiting boss 260 is in the shape of a circular truncated cone, one end with a smaller diameter is connected to the positioning pillar 230, and the diameter of the end with the smaller diameter is consistent with the diameter of the positioning pillar 230. In other embodiments, the retaining boss 260 is cylindrical and has a diameter greater than the diameter of the positioning post 230.

In some embodiments, the second chuck 200 further includes a protective cover 300, the protective cover 300 is detachably connected to the bottom of the second chuck portion 210, the protective cover 300 is provided with a protective groove opened upward, the fixing nut 220 is located in the protective groove, and the end of the adjusting screw 120 is located in the protective groove after the adjusting screw 120 is connected to the fixing nut 220. Set up protective cover 300, can protect adjusting screw 120 and fixation nut 220, avoid adjusting screw 120 and fixation nut 220 to rust because of exposing the oxidation for a long time to can let the cable termination turn-buckle more pleasing to the eye.

In some embodiments, an inner wall surface of the protection groove is provided with an internal thread structure, an outer wall surface of the second clamping line portion 210 is provided with an external thread structure, and the protection cover 300 is connected with the second clamping line portion 210 through a thread. When the protective cover 300 needs to be removed, a constructor can separate the protective cover 300 from the second wire clamping portion 210 by rotating the protective cover 300 to expose the fixing nut 220 and the adjusting screw 120.

In other embodiments, the second clipping portion 210 has a hook 250, the protecting cover 300 has a second clipping groove 310, and the hook 250 is clipped to the second clipping groove 310. The protective cover 300 is connected with the second wire clamping part 210 in a clamping manner, so that the protective cover 300 can be more conveniently disassembled and assembled, the protective cover 300 does not need to be rotated in the disassembling and assembling process in the clamping manner, the protective cover 300 can be designed according to the shape of the adjusting screw rod 120, the disassembling and assembling of the protective cover 300 are not interfered by the adjusting screw rod 120, and the shape of the protective cover 300 can be more diversified.

In this embodiment, the inner wall surface of the protection groove is provided with a second clamping groove 310, the lower end of the second wire clamping portion 210 is provided with a connecting portion extending downwards, the outer wall surface of the connecting portion is provided with a clamping hook 250, the clamping hook 250 is clamped with the second clamping groove 310, the second wire clamping portion 210 is further provided with a shell, the shell can be sleeved on the outer wall surface of the connecting portion, and the outer surface of the second wire clamping portion 210 is more flat and attractive, so that the packaging is convenient.

In some embodiments, the second chuck 200 further includes a connection string, one end of the connection string is connected to the outer wall surface of the second chuck part 210, and the other end of the connection string is connected to the outer wall surface of the protective cover 300, and during the construction, the protective cover 300 is not separated from the second chuck part 210 even when the adjustment screw 120 and the fixing nut 220 are exposed due to the connection string, so that the protective cover 300 can be prevented from falling or being lost from a high place.

In some embodiments, the cable termination turnbuckle is further provided with a hook 320, and the hook 320 is connected to an outer wall surface of the protective cover 300. It can be understood that the hook 320 is arranged to facilitate hanging the cable terminal tightener at the waist and other places by constructors, so that the cable terminal tightener is more convenient to carry, and the cable terminal tightener is convenient to take by the constructors during construction, and the construction efficiency is improved.

It is understood that the hook 320 may be disposed on a front side of the protective cover 300, a rear side of the protective cover 300, or a left side or a right side of the protective cover 300, which is not particularly limited herein.

In some embodiments, the outer wall surface of the protective cover 300 is provided with a first groove 330 and a second groove 340, the first groove 330 is communicated with the second groove 340, and the hook 320 is rotatably connected with the inner wall surface of the first groove 330. It can be understood that the hook 320 is provided with a hook portion and a handle portion, the handle portion is rotatably connected with the inner wall surface of the first groove 330, the hook portion can rotate around the connection point of the handle portion and the first groove 330, the depth of the second groove 340 is greater than that of the first groove 330, the second groove 340 can accommodate the whole hook 320, and the first groove 330 can only accommodate the handle portion.

When the hook part rotates to face the protective cover 300, the hook part can be accommodated in the second groove 340, so that the hook 320 is prevented from protruding out of the outer surface of the cable terminal tightener, the cable terminal tightener is conveniently and orderly packaged, and transportation is facilitated; and when hook portion rotated to the protection cover 300 dorsad, couple 320 held in first recess 330 to, hook portion protrusion in first recess 330, hook portion can make things convenient for constructor to hang cable termination turn-buckle and put in places such as waist, convenient in carrying.

In some embodiments, the lower end surface of the first wire clamping portion 110 is an upwardly concave arc surface, the upper end surface of the second wire clamping portion 210 is a downwardly concave arc surface, and the first wire clamping portion 110 and the second wire clamping portion 210 are both provided with wire protection sleeves, and the wire protection sleeves are connected with the inner wall surface of the cable clamping cavity. It can be understood that the cable can be protected by the wire protection sleeve, and the cable is prevented from being damaged by friction with the first wire clamping part 110 and the second wire clamping part 210, so that the cable shell falls off and accidents happen.

In some embodiments, the first wire clamping portion 110 is provided with a first bump, which is connected with the front side and/or the back side of the first wire clamping portion 110; the second wire clamping portion 210 is provided with a second bump, and the second bump is connected with the front side and/or the back side of the second wire clamping portion 210.

In some embodiments, the front side and the back side of the first wire clamping portion 110 are each provided with a first protrusion, and the front side and the back side of the second wire clamping portion 210 are each provided with a second protrusion. Set up first lug and second lug, can increase the area of contact of cable and cable termination turn-buckle, the cable is difficult to be buckled to the centre gripping that makes the cable is more firm.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. A cable termination turnbuckle, comprising:

the second chuck, the second chuck includes that the second presss from both sides line portion and fixation nut, first press from both sides line portion and second and press from both sides the centre gripping chamber that line portion formed the centre gripping cable jointly, the second presss from both sides line portion and is equipped with the through-hole that runs through in upper surface and lower surface, adjusting screw wears to locate the through-hole, the second presss from both sides line portion can be followed adjusting screw reciprocates, fixation nut with the lower surface butt that the second pressed from both sides line portion and with adjusting screw cooperation is connected, the second chuck is equipped with reference column and first draw-in groove, the reference column is located the right flank of second presss from both sides line portion, first draw-in groove is located the left surface that the second pressed from both sides line portion, the reference column with first draw-in groove cooperation.

2. The cable termination tightener of claim 1, wherein the second collet further comprises a protective cover provided with a protective slot opening upward, the protective cover being detachably connected to a bottom of the second wire clamping portion, the fixing nut being located in the protective slot.

3. The cable termination tightener of claim 2, wherein the second wire clamping portion is provided with a hook, and the protecting cover is provided with a second engaging slot, the hook engaging with the second engaging slot.

4. The cable termination turnbuckle of claim 2, wherein the second collet further comprises a connection cord, one end of the connection cord is connected to an outer wall surface of the second collet portion, and the other end of the connection cord is connected to an outer wall surface of the protective cover.

5. The cable termination turnbuckle of claim 2, further provided with a hook connected to an outer wall surface of the protective cover.

6. The cable termination turn-buckle of claim 5, wherein an outer wall surface of the protective cover is provided with a first groove and a second groove, the first groove and the second groove are communicated, the hook comprises a handle part and a hook part, and the handle part is rotatably connected with an inner wall surface of the first groove so that the hook part can be turned into the second groove.

7. The cable termination turnbuckle of claim 1, wherein a lower end surface of the first wire clamping portion is an upwardly concave arc surface, an upper end surface of the second wire clamping portion is a downwardly concave arc surface, and each of the first wire clamping portion and the second wire clamping portion is provided with a wire protecting sleeve connected with an inner wall surface of the cable clamping cavity.

8. The cable termination turnbuckle of claim 1, wherein the first wire gripping portion is provided with a first tab connected to a front side and/or a rear side of the first wire gripping portion; the second wire clamping portion is provided with a second convex block, and the second convex block is connected with the front side face and/or the rear side face of the second wire clamping portion.

9. The cable termination tightener of claim 1, wherein the second collet is further provided with two limiting bosses, and the two limiting bosses are respectively connected with the upper end face and the lower end face of the positioning column.