CN219419548U

CN219419548U - Wire nose structure

Info

Publication number: CN219419548U
Application number: CN202223215383.3U
Authority: CN
Inventors: 马飞; 杜成
Original assignee: China Resources Wind Power Fengyang Co ltd
Current assignee: China Resources Wind Power Fengyang Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-07-25
Anticipated expiration: 2032-11-30

Abstract

The application discloses line nose structure for improve tensile ability, reduce the cracked condition of line nose. The utility model comprises the following steps: a connecting part, a fixing part and a fixing clamp; the connecting part and the fixing part are integrally formed, an inward sinking area is arranged on the connecting part, and the connecting part is used for being fixedly connected with the cable through the inward sinking area; the fixing part is provided with a connecting hole which is used for being matched with the connecting piece to connect the fixing part with the copper bar; the fixing clamp is located between the connecting hole and the connecting portion and connected with the fixing portion, the fixing clamp protrudes towards two sides of the fixing portion, and the fixing clamp is used for being connected with the copper bar, so that the fixing portion is fixed on the copper bar.

Description

Wire nose structure

Technical Field

The application relates to the technical field of cable connection, in particular to a wire nose structure.

Background

The wire nose is commonly used for connecting and splicing the tail ends of the cables, so that the cables and the electric appliances can be connected more firmly and safely. Is a common material for building, power equipment, electrical connection and the like. In a 35KV wind power plant, copper bars are arranged on cable terminal towers, all the cable terminal towers are connected through cables, the cables are connected with the cable terminal towers through cable noses, one ends of the cable noses are connected with the tail ends of the cables, and the other ends of the cable noses are connected with the copper bars through bolts.

The line nose that uses in the current wind-powered electricity generation field is excessive line nose of copper aluminium, and as shown in fig. 1, the one end that the line nose left side was connected with the cable is the aluminium material, and the one end that the right side was connected with the copper bar is the copper material, and the right side is provided with the connecting hole, and the bolt passes connecting hole and copper bar to fix the line nose on the copper bar. However, since the wire nose needs to be operated in severe weather for a long period of time, the service life of the wire nose is reduced, and when a cable sinks, the copper-aluminum junction position in the wire nose is easily broken, thereby a trip accident occurs.

Disclosure of Invention

In order to solve the technical problem, the application provides a wire nose structure, which can improve the tensile capacity and reduce the fracture condition of the wire nose.

The utility model provides a line nose structure, include:

a connecting part, a fixing part and a fixing clamp; the connecting part and the fixing part are integrally formed, an inward sinking area is arranged on the connecting part, and the connecting part is used for being fixedly connected with the cable through the inward sinking area; the fixing part is provided with a connecting hole which is used for being matched with the connecting piece to connect the fixing part with the copper bar; the fixing clamp is located between the connecting hole and the connecting portion and connected with the fixing portion, the fixing clamp protrudes towards two sides of the fixing portion, and the fixing clamp is used for being connected with the copper bar, so that the fixing portion is fixed on the copper bar.

Optionally, the connecting hole includes a first connecting hole and a second connecting hole, and the fixing clip is located between the first connecting hole and the second connecting hole and connected with the fixing portion.

Optionally, the fixing portion is provided with a groove, and the groove is located between the two connecting holes, so that the fixing clip is embedded into the groove to be connected with the fixing portion.

Optionally, the fixing clip and the fixing portion are integrally formed.

Optionally, the fixing clip is made of copper.

Optionally, the fixing portion and the connecting portion are made of aluminum materials, and the outer surface of the fixing portion is covered with a copper plating layer.

Optionally, the connecting piece is a bolt or a rivet.

Optionally, an angle between the fixing clip and the fixing portion is 90 degrees.

Optionally, through holes are respectively arranged at two ends of the fixing clamp, and the through holes are used for being matched with bolts to fix the fixing clamp on the copper bar.

Optionally, a middle portion of the lower surface of the fixing clip is recessed upward.

From the above technical scheme, the application has the following effects:

the fixed part is connected with the copper bar through the connecting hole, sets up the fixation clamp on the fixed part between connecting hole and the connecting portion, and the fixation clamp is connected with the fixed part, and the both sides protrusion of fixation clamp to the fixed part is used for being connected with the copper bar to fix the fixed part on the copper bar, like this, through the connection of fixation clamp and copper bar, the fixed part is cliied by fixation clamp and copper bar, under the extrusion of copper bar and fixation clamp, has improved the tensile ability of fixed part, thereby has reduced the condition that the line nose took place the fracture, reduces the condition that takes place the tripping operation accident.

Drawings

In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a prior art copper aluminum transition nose;

FIG. 2 is a schematic view of a wire nose structure provided herein;

FIG. 3 is a schematic view of a clip in a wire nose configuration provided herein;

fig. 4 is another schematic view of a wire nose structure provided herein.

Detailed Description

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely used to illustrate the relative positional relationships between the components or portions, and do not particularly limit the specific mounting orientations of the components or portions.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the structures, proportions, sizes, etc. shown in the drawings herein are shown and described in detail for purposes of illustration only, and are not intended to limit the scope of the utility model, which is defined in the claims, unless otherwise indicated, and which are otherwise used by those skilled in the art to which the utility model pertains.

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

The application provides a line nose structure for improve tensile ability, reduce the cracked condition of line nose. The specific implementation of the present application is described below.

Referring to fig. 2 to 4, a wire nose structure provided in the present application includes:

a connecting part 1, a fixing part 2 and a fixing clamp 3; the connecting part 1 and the fixing part 2 are integrally formed, an inward sinking area 11 is arranged on the connecting part 1, and the connecting part 1 is fixedly connected with a cable through the inward sinking area 11; the fixing part 2 is provided with a connecting hole 21, and the connecting hole 21 is used for being matched with a connecting piece to connect the fixing part 2 with the copper bar; the fixing clip 3 is located between the connecting hole 21 and the connecting portion 1 and connected with the fixing portion 2, the fixing clip 3 protrudes to two sides of the fixing portion 2, and the fixing clip 3 is used for being connected with a copper bar, so that the fixing portion 2 is fixed on the copper bar.

Please continue to refer to fig. 4, for the excessive line nose of copper aluminium, copper aluminium meets the position and is in between connecting portion and the connecting hole, in this application, set up fixation clamp 3 between connecting portion 1 and connecting hole, fixation clamp 3 is with copper aluminium meeting the position and cover, after fixation clamp 3 is connected with the copper bar, fixation clamp 3 extrudees fixed portion 2 downwards, copper aluminium meets the position and receives the extrusion force of fixation clamp 3 and copper bar, fixation clamp 3 contacts copper and aluminium simultaneously, copper and aluminium area of contact has been increased, thereby the tensile ability of copper aluminium meeting the position has been improved, the circumstances of breaking can be reduced, the circumstances of tripping operation takes place is reduced.

The both ends protrusion of fixation clamp 3 are in the both sides of fixed part 2, and the both ends of fixation clamp 3 are connected with the copper bar respectively, and after fixation clamp 3 is connected with the copper bar fastening, the connection of fixed part 2 and copper bar has further been consolidated.

Optionally, the connection is a bolt or rivet.

In the embodiment, the fixing clamp 3 is arranged between the connecting part 1 and the connecting hole, the fixing clamp 3 is connected with the copper bar, the fixing part 2 is extruded when the fixing clamp 3 is in fastening connection with the copper bar, the copper-aluminum connecting position on the fixing part 2 is extruded by the fixing clamp 3, and the tensile capacity of the copper-aluminum connecting position is increased under the extrusion effect, so that the situation of fracture can be reduced; in addition, the universal fixing clip 3 reinforces the connection between the fixing portion 2 and the copper bar.

Alternatively, in another implementation manner, the fixing portion 2 and the connecting portion 1 are made of aluminum materials, and the outer surface of the fixing portion 2 is covered with a copper plating layer. In the embodiment, the fixing part 2 and the connecting part 1 are integrally formed, and the same aluminum material is selected, so that the toughness between the fixing part 2 and the connecting part 1 is improved, and the tensile capacity is improved; in addition, the surface of fixed part 2 is covered with the copper cladding material, and the upper surface of fixed part 2 passes through copper cladding material and contacts with fixation clamp 3, and the both ends and the copper bar of fixation clamp 3 are connected, like this, can reduce the pitting corrosion condition between fixed part 2 and the fixation clamp 3, improves life. In addition, the copper plating layer can also improve the conductivity between the fixing portion 2 and the copper bar.

Optionally, the material of fixation clamp 3 is copper, through selecting the material of fixation clamp 3 to use for copper, and the surface of fixed part 2 is covered with copper coating, fixation clamp 3 is connected with the copper bar, like this, can increase the area of contact of fixed part 2 and copper bar, has further increased the conductive properties between fixed part 2 and the copper bar.

Optionally, with continued reference to fig. 2, the connecting holes include a first connecting hole 21 and a second connecting hole 22, and the fixing clip 3 is located between the first connecting hole 21 and the second connecting hole 22 and connected to the fixing portion 2. In this embodiment, through setting up two connecting holes on fixed part 2, compare the single hole in the prior art and connect, set up two connecting holes and two connecting pieces between fixed part 2 and the copper bar, can increase area of contact, increase conductive properties.

Optionally, a groove is provided on the fixing portion 2, and the groove is located between the two connection holes 21, so that the fixing clip 3 is embedded in the groove and connected with the copper bar. By providing the recess, the part of the fixing clip 3 is clamped in the recess, and the position of the fixing portion 2 can be further defined by the fixing clip 3, so that the tensile capacity of the fixing portion 2 is further improved.

Optionally, the angle between the fixing clip 3 and the fixing portion 2 is 90 degrees. In this embodiment, the fixing clip 3 is vertically connected between the fixing portions 2, so that the angle between the fixing clip 3 and the fixing portion 2 is 90 degrees, and the stability of connection between the fixing clip 3 and the fixing portion 2 is improved.

Optionally, through holes 31 are respectively arranged at two ends of the fixing clip 3, and the through holes 31 are used for being matched with bolts to fix the fixing clip 3 on the copper bar. The both ends of fixation clamp 3 protrude in the both sides of fixed part 2, set up through-hole 31 on the both ends of fixation clamp 3, when in actual use, pass through-hole 31 with the bolt and be connected with the copper bar. Through bolted connection, realize dismantling between copper bar and the fixation clamp 3 and be connected, the maintenance of the staff of being convenient for overhauls.

Optionally, a middle portion of the lower surface of the fixing clip 3 is recessed upward. The contact position between the fixing clip 3 and the fixing portion 2 is called as a middle portion, that is, the contact position between the fixing clip 3 and the fixing portion 2 is recessed upward, at this time, two ends of the fixing clip 3 are lower than the upper surface of the fixing clip 3 downward, so that the distance between the fixing clip 3 and the copper bar is reduced, and the conductivity between the fixing clip 3 and the copper bar is further improved.

Alternatively, in another possible implementation, an integral imaging arrangement is used between the fixing portion 2 and the fixing clip 3. In this embodiment, through integrated into one piece setting with copper aluminium meet the position and pass through fixation clamp 3 direct connection, can further improve the tensile ability of copper aluminium meet the position, reduce the line nose and take place the cracked condition. By integrally formed is meant that the fixing portion 2 is integral with the fixing clip 3, which are not detachably separated, and the integrally formed arrangement is formed, for example, by welding or pouring.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A wire nose structure comprising:

2. The wire nose structure of claim 1, wherein the attachment hole includes a first attachment hole and a second attachment hole, the fixation clamp being located between the first attachment hole and the second attachment hole and being connected to the fixation section.

3. The wire nose structure of claim 2, wherein the fixing portion is provided with a groove, the groove being located between the two connection holes, so that the fixing clip is inserted into the groove to be connected with the fixing portion.

4. The wire nose structure of claim 1, wherein the retaining clip is integrally formed with the retaining portion.

5. The wire-nose structure of any one of claims 1 to 4, wherein the clip is copper.

6. The wire-nose structure of any one of claims 1 to 4, wherein the fixing portion and the connecting portion are both made of aluminum material, and an outer surface of the fixing portion is covered with a copper plating layer.

7. The wire-nose structure of any one of claims 1 to 4, wherein the connection member is a bolt or a rivet.

8. The wire-nose structure of any one of claims 1 to 4, wherein an angle between the fixing clip and the fixing portion is 90 degrees.

9. The wire nose structure of any one of claims 1 to 4, wherein both ends of the fixing clip are respectively provided with through holes for fixing the fixing clip to the copper bar in cooperation with bolts.

10. The wire-nose structure of any one of claims 1 to 4, wherein a middle portion of a lower surface of the fixing clip is recessed upward.