CN208690519U - Novel copper-aluminium device clamp - Google Patents

Abstract

Novel copper-aluminium device clamp, it includes the aluminium row of copper bar and connecting copper bar, aluminium row has a first end and a second end, the second end of aluminium row is concaved with the concave shaped space of irregular figure, copper bar and insertion concave shaped space, there are three the joint face of aluminium row and copper bar is total, it includes first end face, second end face and third end face, first end face and second end face are respectively connected to the second end of aluminium row and the distance between 2 tie points are end face spacing, the both ends of third end face are separately connected first end face and second end face, and the length of third end face is greater than the length of end face spacing；Equipment folder can enhance the intensity of copper aluminium connection, enhance the twisting resistance, fracture resistence force and stretching resistance of device clamp, effectively reduce equipment fault, reduce maintenance cost, improve the safety of electricity usage.

Description

Novel copper-aluminium device clamp

Technical field

The utility model relates to electrical equipment technical fields, in particular relate to novel copper-aluminium device clamp.

Background technique

With the continuous construction of power circuit, route and equipment are in geometric increase, and new design standard is increasingly Height, wire type is increasing, more and more using the quantity of wire clamp of copper-aluminum apparatus, and usage amount increases severely and wire type increasing makes It is also increasing to obtain the probability that current wire clamp of copper-aluminum apparatus breaks down.The device clamp especially used on overhead transmission line is long The fracture of copper aluminium junction occurs for the phase, power supply safety and power supply reliability is seriously affected, many times just as a device clamp Failure influences a backbone and all has a power failure.

The main reason for causing device clamp failure is two kinds of situations: first is that existing equipment wire clamp copper aluminium contact point (face) Current-carrying capacity does not reach requirement overheat and blows, and second situation is that its mechanical strength is inadequate, cannot stand connection two-termial line or equipment Tension fracture.In order to reduce the power failure because of caused by wire clamp of copper-aluminum apparatus failure, to ensure that power supply reliability gets a promotion, need Develop the device clamp for avoiding wire clamp of copper-aluminum apparatus not easy to break in copper-aluminium transition；It can be reduced in this way because device clamp is disconnected It splits and short-circuit line breaking equipment is caused the dangerous risk such as to burn, loss of outage caused by largely reducing because of device clamp failure, largely It reduces because repairing O&M cost caused by equipment fault, has a power failure caused by largely reducing because of device clamp failure and complain.

" traditional equipment wire clamp " used at present generallys use plane or vertical cross section connection, there is current-carrying capacities small, machine The inadequate drawback of tool intensity.

Utility model content

The purpose of this utility model is to provide novel copper-aluminium device clamps, can enhance the intensity of copper aluminium connection, increase Twisting resistance, fracture resistence force and the stretching resistance of strong device clamp, effectively reduce equipment fault, reduce maintenance cost, improve electric power The safety used.

The embodiments of the present invention are achieved in that

Novel copper-aluminium device clamp comprising copper bar and the aluminium of connecting copper bar row, aluminium row have a first end and a second end, aluminium The second end of row is concaved with the concave shaped space of irregular figure, copper bar and insertion concave shaped space, the connection of aluminium row and copper bar There are three face is total comprising first end face, second end face and third end face, first end face and second end face are respectively connected to aluminium row Second end and the distance between 2 tie points be end face spacing, the both ends of third end face are separately connected first end face and second End face, the length of third end face are greater than the length of end face spacing.

In the utility model preferred embodiment, the length of above-mentioned third end face is less than the width of aluminium row, third end face It is at an acute angle with first end face and second end face respectively.

In the utility model preferred embodiment, above-mentioned copper bar insertion aluminium is arranged so that one end of copper bar and the second of aluminium row Face where end is overlapped and is coincidence face.

In the utility model preferred embodiment, the extended surface of above-mentioned first end face and the extended surface of second end face are mutual Between it is at an acute angle.

In the utility model preferred embodiment, above-mentioned third end face and coincidence face are parallel to each other, and concave shaped space has Two opposing end surfaces being parallel to each other.

In the utility model preferred embodiment, the face view of above-mentioned concave shaped space be it is trapezoidal, the vertical view face of copper bar is It is trapezoidal.

In the utility model preferred embodiment, above-mentioned copper bar is respectively arranged with aluminium row and is connected to its company for pushing up bottom two sides Hole is connect, 2 connecting holes are located at the two sides of third end face.

In the utility model preferred embodiment, the top of above-mentioned aluminium row is concaved with link slot, and link slot is from aluminium The first end of row extends to the middle part of aluminium row.

In the utility model preferred embodiment, above-mentioned novel copper-aluminium device clamp further includes intermediate plate, and intermediate plate is provided with At least two, the both ends of intermediate plate are provided with through-hole, and aluminium row is provided with through-hole, and the lead to the hole site of through-hole and the aluminium row of intermediate plate are opposite.

In the utility model preferred embodiment, above-mentioned novel copper-aluminium device clamp further includes bolt, and bolt passes through logical Intermediate plate is fixed to aluminium row by hole.

The beneficial effects of the utility model are:

The utility model is parcel-like by three end faces of copper bar and aluminium row, trapezoidal by being formed in copper bar insertion aluminium row Structure, the trapezium structure make the length of third end face be greater than the second end of aluminium row and the junction width of copper bar, greatly enhance Twisting resistance, fracture resistence force and the stretching resistance of copper bar and aluminium row junction, can enhance the intensity of copper aluminium connection, enhance device clamp Twisting resistance, fracture resistence force and stretching resistance, effectively reduce equipment fault, reduce maintenance cost, improve the safety of electricity usage Property.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the schematic front view of the utility model novel copper-aluminium device clamp；

Fig. 2 is the end view of the utility model novel copper-aluminium device clamp；

Icon: 100- novel copper-aluminium device clamp；111- aluminium row；112- copper bar；113- first end face；114- second end Face；115- third end face；116- intermediate plate；117- bolt；118- connecting hole；119- link slot.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that the orientation of the instructions such as term " on ", "inner", "outside", "bottom" Or positional relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when usually put Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply phase To importance.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

First embodiment

Fig. 1 is please referred to, the present embodiment provides novel copper-aluminium device clamps 100 comprising aluminium arranges 111, copper bar 112, intermediate plate 116 and bolt 117, copper bar 112 is in embedded insertion aluminium row 111 and is connected thereto, and the thickness of copper bar 112 and aluminium row 111 are distinguished It is set as 6mm, intermediate plate 116 is connected to 111 top of aluminium row, and intermediate plate 116 is fixedly connected by bolt 117 with aluminium row 111, wherein copper bar 112 and aluminium row 111 be respectively arranged with connecting hole 118, aluminium row 111 is provided with link slot 119, which is located at intermediate plate 116 It between aluminium row 111, is compared with traditional device clamp, traditional wire clamp is located at a section, machine with a thickness of 5mm, weld Tool intensity is poor, easily snaps off, and the device clamp of the present embodiment, and with a thickness of 6mm, the joint face of copper aluminium is in the company of three end faces It connects, mechanical strength is better than traditional product, is not easily broken；The copper aluminium row 111 of traditional line type connecting end surface, twisting resistance 90kg Left and right, fracture resistence force are 40kg or so, and stretching resistance is 90kg or so, and the device clamp of the present embodiment, twisting resistance 200kg resist Folding power is 320kg, stretching resistance 300kg, and various aspects are much better than traditional product at this stage.

Aluminium row 111 is in flat strip, and aluminium arranges 111 shared both ends, including first end and second end, and the of aluminium row 111 One end connection arranges 111 with fixed controller switching equipment or connecting column, aluminium for installing with power line, the second end of aluminium row 111 is installed Second end is concaved with trapezoidal structure, and copper bar 112 is embedded in the structure, and copper bar 112 is identical as the shape of the structure, big Small consistent, for copper bar 112 in flat trapezoidal, the tool of copper bar 112 is shorter there are two the side being parallel to each other, the first side of copper bar 112 One of parallel edges, the second side of copper bar 112 is one of longer parallel edges, and the setting of trapezium structure is so that copper bar 112 and aluminium Biggish structural strength is generated between row 111, considerably increases the pulling force size born between aluminium row 111 and copper bar 112, it should Trapezoidal relatively narrow parallel edges is overlapped with the end face of the second end of aluminium row 111, and the trapezoidal wider parallel edges and aluminium arrange 111 There is interval between the end face of second end；Copper bar 112 is embedded in the trapezium structure of aluminium row 111, and copper bar 112 and aluminium row 111 are shared For 111 tool of three contact surfaces, i.e. copper bar 112 and aluminium row there are three section, which is the contact of copper bar 112 with aluminium row 111 Face comprising first end face 113, second end face 114 and third end face 115, first end face 113, third end face 115 and second end Head and the tail connect respectively in face 114, and the linear type connection length of the more traditional copper bar 112 of connection length and aluminium row 111 are longer, length It is traditional line type connection length more than twice, first end face 113, second end face 114 and third end face 115 are in surround shape, Copper bar 112 is enclosed in trapezium structure in semi-closed structure, between the end face of the second end of first end face 113 and aluminium row 111 Form angle, form angle between the end face of the second end of second end face 114 and aluminium row 111, the extended surface of first end face 113 with The extended surface of second end face 114 forms acute angle between each other, and the length of third end face 115 is greater than copper bar 112 and is overlapped with aluminium row 111 Partial 112 length of copper bar.

There are three sections, respectively first end face 113, second end face 114 for the coupling part of the copper bar 112 and aluminium row 111 With third end face 115, length of run 120cm, the 50cm compared to other traditional products used at this stage is had more more than one times, The copper bar 112 also increases its mechanical strength using interior big outer small special-shaped connection method, and (the purpose is to by external pull When it is not easily to fall off), and aluminium row 111 connect with copper bar 112 to be attached in a manner of tripartite's encirclement, integrally without breakpoint, Avoid injured due to by external force or fracture, also avoid because outmoded lacerated wound is when by heavy current impact, cause copper bar 112 with Aluminium is arranged 111 transition junctions and is broken, and in addition tripartite's enclosed construction also takes full advantage of the different characteristic of the copper aluminium coefficient of expansion, makes The expansion of copper bar 112 is kept its contact even closer by the encirclement of aluminium row 111 in same temperature, to increase its electric conductivity Energy.

Copper bar 112 has the both sides being parallel to each other, shorter parallel edges and the aluminium row 111 of copper bar 112 in flat trapezoidal The end face of second end be overlapped, has in the longer parallel edges of copper bar 112 insertion aluminium row 111 and between the second ends of aluminium row 111 There is interval, copper bar 112 is provided with the connecting hole 118 for being connected to its top and bottom, and the connecting hole 118 is for being fixed to power equipment Or power pole, aluminium row 111 are provided with the connecting hole 118 for being connected to its top and bottom, the function and copper bar 112 of the connecting hole 118 It is consistent, be used to be fixed to power equipment or power pole, which shares 2 connecting holes 118,2 connecting holes 118 It is located at the two sides of third end face 115.

There are two junctions altogether for the novel copper-aluminium device clamp 100 comprising the first end and second end of aluminium row 111, aluminium The first end of row 111 is the one end installed with connect power line, and the second end of aluminium row 111 is to be fixed to power equipment and power pole One end, aluminium row 111 first end be connect with conducting wire (aluminum conductor), aluminium arrange 111 second end be to be connect with equipment, wherein having Two connecting holes 118, for the screw hole (including aluminium hole and copper hole) of connection；If (such as distribution when need to only be connect with aluminium row 111 Screen), the fine aluminium screw hole in aluminium hole is selected, if need to only connect (such as transformer connection screw) when copper equipment, selects the fine copper in copper hole Screw hole, if when equipment is there are two connecting screw (such as on-pole switch and isolation switch), according between two screw eyelets away from It drills to the device clamp, two bronze medals and two, aluminium is connected together, connect the main purpose copper removal of two connecting holes 118 The mechanical strength for increasing its junction outside aluminium transitional function, makes it be not easy to be fractureed by the tension of conducting wire.

Referring to figure 2., the top of aluminium row 111 is concaved with link slot 119, which is located at that aluminium arranges 111 One end to its medium position, one end of the link slot 119 is connect by the first end of aluminium row 111 with outer lead, and conducting wire passes through The link slot 119 extends to the top of aluminium row 111 and is fixed to power equipment or power pole by connecting hole 118；Aluminium row 111 is also It is provided with through-hole, for the through-hole for connecting intermediate plate 116, aluminium row 111 is provided with 6 through-holes altogether, and 6 through-holes are in 3 pairs of difference positions In the two sides of link slot 119,3 pairs of through-holes are separately connected the both ends of intermediate plate 116.

Intermediate plate 116 is provided with 3 altogether, and the width of length and the aluminium row 111 of intermediate plate 116 matches, 3 intermediate plates 116 Both ends are respectively arranged with the through-hole for connecting bolt 117, and the lead to the hole site of through-hole and the aluminium row 111 of intermediate plate 116 is opposite, 3 folders Piece 116 is arranged in parallel, and 3 intermediate plates 116 have an interval between each other, and bolt 117 is by the through-hole at 116 both ends of intermediate plate by intermediate plate 116 are fixedly attached to aluminium row 111, and intermediate plate 116 is across link slot 119, and the setting of intermediate plate 116 is so that link slot 119 is located at intermediate plate Between 116 and aluminium row 111, the intermediate plate 116 connected close to 111 middle part of aluminium row is extended in one end of link slot 119, and conducting wire is arranged from aluminium For 111 first end by link slot 119, intermediate plate 116 compresses conducting wires by bolt 117 and aluminium row 111, and conducting wire is from link slot 119 The other end extend and be fixedly attached to the position of connecting hole 118.

The working principle of the example of the utility model are as follows:

Conducting wire is arranged along link slot 119 and extends link slot 119, and one end of conducting wire extends to the position of connecting hole 118, After conducting wire installs, conducting wire is pushed down using 3 116 segmenteds of intermediate plate, push down after conducting wire using bolt 117 by intermediate plate 116 with Aluminium row 111 is fixed to each other, and conducting wire is secured firmly between aluminium row 111 and intermediate plate 116, passes through the connection of aluminium row 111 or copper bar 112 Conducting wire is fixed to power equipment or power pole by hole 118, and copper bar 112 is embedded in the second end of aluminium row 111, and copper bar 112 is in unconventional Abnormity is connected to aluminium row 111, and there are three the end faces connected, including first end face 113, second end face altogether by copper bar 112 and aluminium row 111 114 and third end face 115, the length of third end face 115 is greater than copper bar 112 and aluminium arranges the length of 111 junctions, the connection structure So that the connection of copper bar 112 and aluminium row 111, in interior big outer small structure, which changes in traditional equipment wire clamp use one It is easy the status being broken in junction on a section, failure-frequency can be effectively reduced.

Existing wire clamp of copper-aluminum apparatus, there are three kinds of power in use process, first is that control plane, meeting when conducting wire connects There are certain torsion, especially big conducting wire；Second is that there is the power being broken when big line footpath conducting wire is closely installed；Third is that When the remotely connected equipment of conducting wire, there are biggish pulling force.

Using the device clamp of the present embodiment, have the advantage that the connection of 1, copper aluminium is reliable, tripartite surrounds whole without disconnected Point, mechanical strength increase several times.2, flexible and changeable copper aluminium is dual-purpose, can be selected according to equipment situation.3, contact area is big, tripartite Developed area is greater than original twice, and current-carrying capacity is unrestricted.Thus the certain productivity effect of bring and lower risk: 1, it reduces because device clamp fracture causes dangerous risk, it is contemplated that can be reduced 50%；2, it can largely reduce because of device clamp failure Caused power failure；3, operation expense is repaired caused by capable of largely reducing because of equipment fault；4, can be reduced because of device clamp therefore The complaint risk having a power failure caused by barrier, it is contemplated that 20% can be reduced.

The example of the utility model is parcel-like by three end faces of copper bar 112 and aluminium row 111, and copper bar 112 is embedded in aluminium Trapezoidal structure is formed in row 111, which makes the length of third end face 115 be greater than second end and copper that aluminium arranges 111 The junction width of row 112, greatly strengthens copper bar 112 and aluminium arranges twisting resistance, fracture resistence force and the stretching resistance of 111 junctions, energy The enough intensity of enhancing copper aluminium connection, enhances the twisting resistance, fracture resistence force and stretching resistance of device clamp, effectively reduces equipment fault, subtract Lack maintenance cost, improves the safety of electricity usage.

In conclusion the utility model can enhance the intensity of copper aluminium connection, enhance twisting resistance, the fracture resistence force of device clamp And stretching resistance, equipment fault is effectively reduced, maintenance cost is reduced, improves the safety of electricity usage.

Present specification describes the example of the embodiments of the present invention, it is not meant to that these embodiments illustrate and describe All possible forms of the utility model.It should be understood that the embodiment in specification can be implemented with a variety of alternative forms.Attached drawing without It needs drawn to scale；Some features can be zoomed in or out to show the details of particular elements.Disclosed specific structure and function are thin Section is not taken by way of limitation explanation, and those skilled in the art is only instructed to implement the representative base of the utility model in a variety of forms Plinth.It will be understood to one skilled in the art that can be with one or more with reference to multiple features that either figure illustrates and describes The feature combination illustrated in other attached drawings is to form the embodiment for not yet explicitly illustrating or describing.The assemblage characteristic offer of explanation is used for The representative embodiment of typical case.However, can root with the multiple combinations of the consistent feature of explanation of the utility model and modification According to needing for specific application or implementation.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. novel copper-aluminium device clamp, which is characterized in that it includes the aluminium row of copper bar and connecting copper bar, and the aluminium row has first End and second end, the second end of aluminium row are concaved with the concave shaped space of irregular figure, described in the copper bar and insertion There are three the joint face of concave shaped space, the aluminium row and the copper bar is total comprising first end face, second end face and third end Face, the first end face and the second end face are respectively connected to the second end and the distance between 2 tie points of the aluminium row For end face spacing, the both ends of the third end face are separately connected the first end face and the second end face, the third end face Length be greater than end face spacing length.

2. novel copper-aluminium device clamp according to claim 1, which is characterized in that the length of the third end face is less than institute The width of aluminium row is stated, the third end face is at an acute angle with the first end face and the second end face respectively.

3. novel copper-aluminium device clamp according to claim 2, which is characterized in that the copper bar be embedded in the aluminium arrange so that Face where the second end that one end of the copper bar is arranged with the aluminium is overlapped and is coincidence face.

4. novel copper-aluminium device clamp according to claim 3, which is characterized in that the extended surface of the first end face and institute The extended surface for stating second end face is at an acute angle between each other.

5. novel copper-aluminium device clamp according to claim 3, which is characterized in that the third end face and coincidence face are mutual In parallel, there are two the opposing end surfaces being parallel to each other for the concave shaped space tool.

6. novel copper-aluminium device clamp according to claim 5, which is characterized in that the face view of the concave shaped space is ladder Shape, the vertical view face of the copper bar are trapezoidal.

7. novel copper-aluminium device clamp according to claim 1, which is characterized in that the copper bar and aluminium row set respectively It is equipped with its connecting hole for pushing up bottom two sides of connection, 2 connecting holes are located at the two sides of the third end face.

8. novel copper-aluminium device clamp according to claim 1, which is characterized in that the top of the aluminium row is concaved with Link slot, the link slot extend to the middle part that the aluminium is arranged from the first end that the aluminium is arranged.

9. novel copper-aluminium device clamp according to claim 8, which is characterized in that the novel copper-aluminium device clamp also wraps Intermediate plate is included, the intermediate plate is provided at least two, and the both ends of the intermediate plate are provided with through-hole, and the aluminium row is provided with through-hole, described The through-hole of intermediate plate and the lead to the hole site of aluminium row are opposite.

10. novel copper-aluminium device clamp according to claim 9, which is characterized in that the novel copper-aluminium device clamp is also Including bolt, the intermediate plate is fixed to the aluminium by through-hole and arranged by the bolt.