CN210867116U

CN210867116U - Self-locking overhead line connecting hardware fitting

Info

Publication number: CN210867116U
Application number: CN201922342553.6U
Authority: CN
Inventors: 南钰; 马鑫; 宋瑞卿; 秦泽华; 王方苏; 张迎春
Original assignee: Kaifeng Power Supply Co of State Grid Henan Electric Power Co Ltd
Current assignee: Kaifeng Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-06-26
Anticipated expiration: 2029-12-24

Abstract

The utility model provides a from lock type overhead line link fitting, including last frame, fastener subassembly, auto-lock subassembly and open-close type chuck, the bottom of going up the frame is equipped with the underframe, the inside of going up frame and underframe is equipped with the fastener subassembly, the fastener subassembly includes fastener, insulating cover and opening, the outside fixed connection auto-lock subassembly of fastener subassembly, the auto-lock subassembly includes sleeve and vaulting pole. The utility model discloses an add auto-lock subassembly and auto-lock nut in the inside of gold utensil, better solution traditional fastener appear not hard up problem along with the increase of live time at the in-process of using, because top and bottom at the fastener all are equipped with the sleeve, and at telescopic internally mounted vaulting pole, exert outside effort to two upper and lower sleeves by the vaulting pole, make this gold utensil possess stronger anticreep, the function that the screw is not hard up is prevented, overall structure is simple, it has stable clamp force to have ensured that the fastener has when using, overall structure is simple, therefore, the practicability is stronger.

Description

Self-locking overhead line connecting hardware fitting

Technical Field

The utility model mainly relates to a link fitting technical field, concretely relates to self-locking type overhead line link fitting.

Background

The wire clamp is an iron or aluminum metal accessory which can be fixed on a wire, most of the wire clamps need to bear larger tension in operation, some of the wire clamps need to ensure good contact in electrical aspect, and at present, the connection or jumper wire between the insulated wire and the bare wire of the low-voltage overhead line mainly adopts the modes of hand-tying wire, parallel groove wire clamp, puncture wire clamp, C-shaped wire clamp and the like.

In the wire clamps used by low-voltage overhead lines in the current market, the parallel groove wire clamps have no self-locking function, the screws can be loosened after being used for several years, the use requirements can be met only by screwing again, and the later maintenance cost is high; meanwhile, the parallel groove wire clamp is not provided with a matched insulating cover, insulation is realized by winding of an insulating tape, the tape is easy to age and fall off, potential safety hazards of electric shock of foreign objects and interphase short circuit are caused, although the puncture wire clamp is convenient to install and simple in construction without peeling a lead, the cable is difficult to judge to be single-plastic or double-plastic in the installation process from the appearance, and the conductor is punctured in the penetrating process of the single-plastic cable, and the puncturing of the double-plastic cable is insufficient; meanwhile, the contact surface of the pin wire clamp in a contact mode is small, the overcurrent capacity is poor, the C-type wire clamp has good overcurrent capacity, but the requirement on the outer diameter of a lead is strict, and the type selection is difficult; the wire clamp and the wire cannot be flattened and self-locking cannot be realized due to the fact that the outer diameter of the wire is too large; the lead can not be compressed tightly because of the small external diameter of the lead, and the loose and poor contact condition of the wire clamp can easily occur in the using process.

Disclosure of Invention

The utility model mainly provides a self-locking overhead line link fitting for solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a self-locking type overhead line link fitting, the bottom of going up the frame is equipped with the underframe, the inside of going up frame and underframe is equipped with the fastener subassembly, the fastener subassembly includes fastener, insulating cover and opening, the outside fixed connection auto-lock subassembly of fastener subassembly, the auto-lock subassembly includes sleeve and vaulting pole, the sleeve passes through the welded mode and connects the top and the bottom at splint, the vaulting pole is connected through the mode of inlaying in telescopic inside, the inside of underframe is equipped with the sleeve pipe, sheathed tube bottom is equipped with open-close type chuck, insulating cover is connected through the mode that bonds in telescopic outside.

Further, the bottom of the lower frame is fixedly connected with a pipe body, the bottom of the pipe body is fixedly connected with an open-close type chuck, and the outside of the open-close type chuck is connected with a nut through threads.

Further, splint are the symmetric distribution form, insulating cover is all connected through the mode that cup joints in the outside of splint, the opening has all been seted up to the top and the bottom of insulating cover.

Further, the sleeve is in a symmetrical distribution mode, and the length of the supporting rod is larger than the whole length of the sleeve.

Furthermore, the inside of splint is through the mode connection fastening bolt of inlaying, fastening bolt's bottom is through threaded connection self-locking nut.

Furthermore, the inner side of the clamping plate is provided with clamping grooves which are symmetrically distributed, and the clamping plate is made of silicon-magnesium-aluminum alloy materials.

Furthermore, the bottom of the upper frame is provided with a slot, the top of the lower frame is connected with an inserted bar in a welding mode, the inserted bar is inserted into the slot, and the inserted bar is symmetrically distributed.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an add auto-lock subassembly and auto-lock nut in the inside of gold utensil, better solution traditional fastener appear not hard up problem along with the increase of live time in the process of using, in the process that this gold utensil was used, because top and bottom at the fastener all are equipped with the sleeve, and at telescopic internal installation vaulting pole, can clamp and fix together online, exert outside effort to two upper and lower sleeves by the vaulting pole, and combine the auto-lock nut of fastener outside, make this gold utensil possess stronger anticreep, prevent the function that the screw is not hard up, this fastener has adopted the silicon magnalium alloy material manufacturing that electric conductivity is extremely strong to form simultaneously, the current capacity is strong, overall structure is simple, it has stable clamp force to have guaranteed that the fastener has when using, overall structure is simple, the clamp force is invariable, the maintenance-free, the practicality is stronger;

2. the utility model has the advantages that the integrated insulating sleeve is arranged outside the wire clamp, and the cable sheath material is adopted for manufacturing, so that the voltage-resistant grade is better improved, the operation safety of operators can be effectively ensured, and meanwhile, the electric shock of foreign objects is prevented, the aging is prevented, the waterproof performance is stronger, and the utility model is more practical;

3. the utility model discloses a be equipped with open-close type chuck in the bottom of body, it is very convenient to install when using, and the ground connection of being convenient for, and can satisfy the use of different earth clamp, and the functionality is stronger.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

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

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

fig. 3 is a bottom view of the open-close type chuck of the present invention;

fig. 4 is the schematic structural diagram of the wire clamp assembly of the present invention.

In the figure: the cable clamp comprises an upper frame-1, a lower frame-2, a cable clamp assembly-3, a clamping plate-4, an insulating sleeve-5, an opening-6, a sleeve-7, a support rod-8, a self-locking assembly-9, a fastening bolt-10, a self-locking nut-11, a sleeve-12, an opening-closing type chuck-13, a nut-14, a pipe body-15, a clamping groove-16, an inserted rod-17 and an inserting groove-18.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-4 heavily, a self-locking overhead line connection hardware includes an upper frame 1, a wire clamp assembly 3, a self-locking assembly 9 and an opening-closing type chuck 13, wherein a lower frame 2 is disposed at the bottom of the upper frame 1, the wire clamp assembly 3 is disposed inside the upper frame 1 and the lower frame 2, the wire clamp assembly 3 includes a clamping plate 4, an insulating sleeve 5 and an opening 6, the self-locking assembly 9 is fixedly connected to the outside of the wire clamp assembly 3, the self-locking assembly 9 includes a sleeve 7 and a support rod 8, the sleeve 7 is connected to the top and the bottom of the clamping plate 4 by welding, the support rod 8 is connected to the inside of the sleeve 7 by embedding, a sleeve 12 is disposed inside the lower frame 2, the opening-closing type chuck 13 is disposed at the bottom of the sleeve 12, and the outside of the sleeve 7 is connected to the insulating sleeve 5 by bonding.

Referring to fig. 2 again, the bottom of the lower frame 2 is fixedly connected with a tube 15, the bottom of the tube 15 is fixedly connected with an open-close type chuck 13, and the outside of the open-close type chuck 13 is connected with a nut 14 through threads. In this embodiment, through the open-close type chuck 13 that is equipped with, can realize satisfying the result of use of different earth clamps, the functional stronger.

Please refer to fig. 4 again, the clamping plates 4 are symmetrically distributed, the outer portions of the clamping plates 4 are connected with the insulating sleeves 5 in a sleeved manner, and the top and the bottom of the insulating sleeves 5 are provided with openings 6. In this embodiment, through the insulating cover 5 that is equipped with the integral type, can realize the insulating effect of fastener, need not artifical winding parcel insulating tape, labour saving and time saving.

Referring to fig. 1 and 2 again, the sleeves 7 are symmetrically arranged, and the length of the stay bar 8 is greater than the overall length of the sleeves 7. In this embodiment, the length of the sleeve 7 is longer than the length of the two sleeves 7 combined together, so that the purpose of enhancing the fastening performance under the reaction force can be achieved, a stable clamping force can be ensured to clamp the wire, and the practicability is high.

Referring again to fig. 1, the inner part of the clamping plate 4 is connected with a fastening bolt 10 in an embedded manner, and the bottom of the fastening bolt 10 is connected with a self-locking nut 11 through threads. In this embodiment, the self-locking nut 11 is disposed at the bottom of the fastening bolt 10, so as to achieve the purpose of anti-loosening and anti-vibration, avoid the loosening condition, and achieve strong protection.

Referring to fig. 4 again, the inner side of the clamping plate 4 is provided with clamping grooves 16, the clamping grooves 16 are symmetrically distributed, and the clamping plate 4 is made of silicon-magnesium-aluminum alloy. In the embodiment, the purpose of enhancing the overcurrent capacity can be realized by adopting the clamping plate 4 made of the silicon-magnesium-aluminum alloy, the functionality is strong, and the use is more stable.

Referring again to fig. 2, the bottom of the upper frame 1 is provided with a slot 18, the top of the lower frame 2 is connected with an insertion rod 17 by welding, the insertion rod 17 is inserted into the slot 18, and the insertion rods 17 are symmetrically distributed. In this embodiment, the inserting rod 17 is provided to be combined with the slot 18, so that accurate positioning work can be performed when the hardware fitting is installed, and the accuracy is high.

The utility model discloses an operation mode has as follows:

when the self-locking overhead line connecting fitting is applied, firstly, the upper frame 1 and the lower frame 2 are respectively sleeved at the top and the bottom of a line, then the stay bar 8 is inserted into the sleeve 7 in the lower frame 2, then the positions of the upper frame 1 and the lower frame 2 are aligned and combined together, so that the inserted bar 17 is inserted into the slot 18, the stay bar 8 is also inserted into the sleeve 7 in the upper frame 1, the line is positioned in the clamping slot 16 of the clamping plate 4, then the bolts are sequentially inserted into the wire clamp, the self-locking nuts 11 are sleeved at the bottoms of the bolts, and the self-locking nuts 11 are screwed, so that the whole installation process of the fitting can be completed, the fitting is very convenient for workers to install and use, and because the wire clamp is integrally made of silicon-magnesium-aluminum alloy materials with extremely strong electric conductivity, the overcurrent capacity is strong, and meanwhile, through the self-locking assembly 9, when the wire clamp is combined and fixed together, outward acting force is applied to the upper sleeve 7 and the lower sleeve 7 by the support rod 8, and the self-locking nut 11 outside the wire clamp is combined, so that the hardware fitting has strong functions of preventing loosening of a thread and a screw, stable clamping force is ensured when the wire clamp is used, the clamping force is constant and maintenance-free, then when the wire clamp is installed, because the integral insulating sleeve 5 is arranged outside the wire clamp and is made of a cable sheath material, the voltage-resistant grade is well improved, the operation safety of an operator can be effectively ensured, meanwhile, electric shock of foreign objects is prevented, aging is prevented, the waterproof performance is strong, insulation is realized without manually winding an insulating adhesive tape, finally, the open-close type chuck 13 is arranged at the bottom of the pipe body 15, the installation is very convenient when the wire clamp is used, the installation can be completed only by continuously rotating the nut 14 until the wire clamp, and the use of different earth clamps can be satisfied, and the functionality is stronger, comparatively practical.

The above description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the method and the technical solution of the present invention are not substantially improved or directly applied to other occasions without improvement, and are all within the protection scope of the present invention.

Claims

1. The self-locking overhead line connection fitting is characterized by comprising an upper frame (1), a wire clamp assembly (3), a self-locking assembly (9) and an opening-closing type chuck (13), wherein the bottom of the upper frame (1) is provided with a lower frame (2), the wire clamp assembly (3) is arranged inside the upper frame (1) and the lower frame (2), the wire clamp assembly (3) comprises a clamping plate (4), an insulating sleeve (5) and an opening (6), the self-locking assembly (9) is fixedly connected to the outside of the wire clamp assembly (3), the self-locking assembly (9) comprises a sleeve (7) and a supporting rod (8), the sleeve (7) is connected to the top and the bottom of the clamping plate (4) in a welding mode, the supporting rod (8) is connected to the inside of the sleeve (7) in an embedding mode, a sleeve (12) is arranged inside the lower frame (2), and the opening-closing type chuck (13) is arranged at the bottom of the sleeve (12, the outer part of the sleeve (7) is connected with the insulating sleeve (5) in a bonding mode.

2. The self-locking overhead line connection fitting according to claim 1, wherein a bottom of the lower frame (2) is fixedly connected with a pipe body (15), a bottom of the pipe body (15) is fixedly connected with an open-close type chuck (13), and an outer part of the open-close type chuck (13) is connected with a nut (14) through threads.

3. The self-locking overhead line connection fitting of claim 1, characterized in that the clamping plates (4) are symmetrically distributed, the outer parts of the clamping plates (4) are connected with the insulating sleeve (5) in a sleeved manner, and the top and the bottom of the insulating sleeve (5) are provided with openings (6).

4. The self-locking overhead line connection fitting according to claim 1, wherein the sleeves (7) are symmetrically distributed, and the length of the stay bar (8) is greater than the overall length of the sleeves (7).

5. The self-locking overhead line connection fitting according to claim 1, wherein the clamping plate (4) is internally connected with a fastening bolt (10) in an embedded manner, and the bottom of the fastening bolt (10) is connected with a self-locking nut (11) through threads.

6. The self-locking overhead line connection fitting of claim 1, wherein clamping grooves (16) are formed in the inner side of the clamping plate (4), the clamping grooves (16) are symmetrically distributed, and the clamping plate (4) is made of silicon-magnesium-aluminum alloy.

7. The self-locking overhead line connection fitting of claim 1, wherein a slot (18) is formed in the bottom of the upper frame (1), the top of the lower frame (2) is connected with an insertion rod (17) in a welding manner, the insertion rod (17) is inserted into the slot (18), and the insertion rods (17) are symmetrically distributed.