CN215527952U - Wire clamp for copper-aluminum transition equipment - Google Patents

Abstract

The utility model discloses a wire clamp for copper-aluminum transition equipment, which comprises a wire clamp main body, a trapezoidal groove, a circular arc foot, a wire clamp cover plate and bolt adjusting holes, wherein the wire clamp cover plate is arranged outside the wire clamp main body, two groups of bolt adjusting holes are arranged inside the wire clamp cover plate, two groups of bolt holes are arranged inside the wire clamp main body, two groups of large semicircular head square neck bolts are arranged outside the wire clamp main body, the top ends of the large semicircular head square neck bolts extend to the bolt holes and the inside of the bolt adjusting holes, a wire clamp wire pressing groove is arranged on the outer wall of the wire clamp main body, the trapezoidal groove is arranged on one side, away from the wire clamp wire pressing groove, of the wire clamp main body, and an arc wire pressing groove is arranged at the bottom end of the wire clamp cover plate above the wire clamp wire pressing groove. The utility model not only realizes the convenient clamping of the wire clamp for the copper-aluminum transition equipment to wires with different specifications, improves the overload capacity and the service life of the wire clamp, and effectively reduces the energy loss.

Description

Wire clamp for copper-aluminum transition equipment

Technical Field

The utility model relates to the technical field of wire clamps for equipment, in particular to a wire clamp for copper-aluminum transition equipment.

Background

The equipment wire clamp is a device commonly used for connecting a cable and a bus down lead with electrical equipment (such as a transformer, a circuit breaker, a mutual inductor, a disconnecting switch, a fuse and the like) in an electric power system, can bear large tensile force in operation, can ensure good contact performance in the aspect of electrical connection, and has very important function.

General fastener has certain problem and defect in the use, when fastener and electrical equipment wiring mouth position are connected, often can not adjust because the mounting hole position, the flexibility of fastener has been reduced, when using, equipment fastener on the existing market is little with wire area of contact, the clamping effect is poor, drop easily, and the fastener is selected according to the size and the goodness of fit of wire diameter, lead to the lectotype complicacy, the commonality is poor, the interchange rate is low, form electromagnetic circuit easily when fastener uses, can produce hysteresis loss and eddy current loss, consume a large amount of electric energy, cause economic loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wire clamp for copper-aluminum transition equipment, which solves the problems that the wire clamp for the equipment is inconvenient to select according to the diameter of a wire and the goodness of fit, so that the type selection is complex, the universality is poor and the interchange rate is low.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a copper aluminium transition fastener for equipment, includes fastener main part, trapezoidal recess, circular arc foot, fastener apron and bolt adjustment hole, the outside of fastener main part is equipped with the fastener apron, the internally mounted of fastener apron has two sets of bolt adjustment holes, the internally mounted of fastener main part has two sets of bolt holes, the outside of fastener main part is equipped with two sets of most button head square neck bolts, and the top of most button head square neck bolt all extends to the inside of bolt hole and bolt adjustment hole, install fastener wire-pressing groove on the outer wall of fastener main part, the fastener main part is kept away from one side of fastener wire-pressing groove and is installed trapezoidal recess, convex wire-pressing groove is installed to the fastener apron bottom of fastener wire-pressing groove top, the circular arc foot is installed to the fastener apron bottom of trapezoidal recess top.

Preferably, the outer wall of the wire clamp wire pressing groove is provided with teeth, and the outer wall of the teeth is fixedly connected with the wire clamp wire pressing groove.

Preferably, the outer wall of the wire clamp cover plate is provided with a wire clamp end plate, and the outer wall of the wire clamp end plate is fixedly connected with the wire clamp cover plate.

Preferably, the inside of the wire clamp end plate is provided with an end plate strip-shaped hole, and the wire clamp cover plate on one side of the end plate strip-shaped hole is internally provided with an end plate round hole.

Preferably, the surface of the big half round-head square-neck bolt above the wire clamp cover plate is sleeved with a flat washer, and the surface of the big half round-head square-neck bolt above the flat washer is sleeved with a spring washer.

Preferably, the surface of the large half round-head square-neck bolt above the spring washer is sleeved with a torque nut, and the surface of the large half round-head square-neck bolt above the torque nut is sleeved with a rubber ring.

Compared with the prior art, the utility model has the beneficial effects that: the wire clamp for the equipment not only realizes convenient clamping of wires with different specifications by the wire clamp for the copper-aluminum transition equipment, improves the overload capacity and the service life of the wire clamp, and effectively reduces energy loss;

(1) the arc-shaped wire pressing groove of the wire clamp cover plate is buckled on the wire, the wire clamp main body and the wire clamp cover plate are matched to form opposite arc grooves for clamping the wire, the clamping of the wires with different specifications is realized by moving the wire clamp cover plate to change the size of the arc grooves, the convenient clamping of the wire clamp for the copper-aluminum transition equipment to the wires with different specifications is realized, and the application range of the wire clamp is enlarged;

(2) the wire clamp main body and the wire clamp cover plate are made of special aluminum alloy materials with high strength, high performance and high conductivity, and teeth ensure that a lead has a large and tight contact surface with the wire clamp main body, so that the resistance of the wire clamp can be reduced, the excellent toughness and tensile strength of the wire clamp for copper-aluminum transition equipment are realized, the overload capacity and the service life of the wire clamp are improved, and the energy loss is effectively reduced;

(3) through being provided with two mounting holes on the fastener end plate, can satisfy the connection of the electrical equipment leading-out terminal of different hole distances, the torque nut carries out the rotation to most half button head square neck bolt and presss from both sides tightly, presss from both sides tight fixedly to fastener main part and fastener apron under the cooperation of torque nut and most half button head square neck bolt, has realized that copper aluminium transition equipment is with stable connection of fastener is fixed, has made things convenient for electrical equipment leading-out terminal's connection to be fixed.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic top view of the clamp body of the present invention;

FIG. 3 is a schematic top view of the cover plate of the wire clamp of the present invention;

FIG. 4 is a schematic top view of the terminal plate of the present invention;

FIG. 5 is a schematic structural view of a main body of the cable clamp of the present invention in elevation;

fig. 6 is a schematic front view of the cover plate of the wire clamp of the present invention.

In the figure: 1. a wire clamp main body; 2. a trapezoidal groove; 3. a circular arc foot; 4. a wire clamp cover plate; 5. a flat washer; 6. a spring washer; 7. a rubber ring; 8. a torque nut; 9. arc-shaped line pressing grooves; 10. a tooth; 11. wire clamp wire pressing grooves; 12. a large half round head square neck bolt; 13. an end plate strip-shaped hole; 14. a wire clamp end plate; 15. an end plate circular hole; 16. bolt holes; 17. bolt adjusting holes.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention is shown: a wire clamp for copper-aluminum transition equipment comprises a wire clamp main body 1, a trapezoidal groove 2, an arc foot 3, a wire clamp cover plate 4 and bolt adjusting holes 17, wherein the wire clamp cover plate 4 is arranged outside the wire clamp main body 1, two groups of bolt adjusting holes 17 are arranged inside the wire clamp cover plate 4, two groups of bolt holes 16 are arranged inside the wire clamp main body 1, two groups of large half round head square neck bolts 12 are arranged outside the wire clamp main body 1, the large half round head square neck bolts 12 are used for fixing the wire clamp cover plate 4 and the wire clamp main body 1, the top ends of the large half round head square neck bolts 12 extend into the bolt holes 16 and the bolt adjusting holes 17, a wire clamp wire pressing groove 11 is arranged on the outer wall of the wire clamp main body 1, the wire clamp groove 11 is used for clamping a wire, the trapezoidal groove 2 is arranged on one side, away from the wire clamp wire pressing groove 11, an arc wire pressing groove 9 is arranged at the bottom end of the wire clamp cover plate 4 above the wire clamp wire pressing groove 11, the arc-shaped wire pressing groove 9 is used for clamping a wire, and the bottom end of the wire clamp cover plate 4 above the trapezoidal groove 2 is provided with an arc pin 3;

when in use, the arc foot 3 at one side of the wire clamp cover plate 4 is placed into the trapezoidal groove 2 of the wire clamp main body 1, then the wire clamp main body 1 with the teeth 10 and the wire clamp line pressing groove 11 is placed on a wire, the arc line pressing groove 9 of the wire clamp cover plate 4 is buckled on the wire, the arc foot 3 of the wire clamp cover plate 4 is embedded into the trapezoidal groove 2 of the wire clamp main body 1 to form a support, the wire clamp main body 1 and the wire clamp cover plate 4 are matched to form opposite arc grooves for clamping the wire, the arc foot 3 forming the support by the trapezoidal groove 2 in the wire clamp main body 1 can be used as a fulcrum, the clamping of the wires with different specifications is realized by changing the size of the arc grooves by moving the wire clamp cover plate 4, when the wire clamp cover plate 4 moves, the position of the bolt adjusting hole 17 corresponding to the bolt hole 16 is adjusted, the large half round head square neck bolt 12 can relatively move in the bolt adjusting hole 17, when the bolt adjusting hole 17 moves, the relative position of the wire clamp cover plate 4 and the wire clamp main body 1 is changed, then the large half round head square neck bolt 12 is inserted into the bolt hole 16 and the bolt adjusting hole 17, and the wire is clamped under the matching of the wire clamp main body 1 and the wire clamp cover plate 4, so that the wire clamp for copper-aluminum transition equipment can conveniently clamp wires with different specifications, and the application range of the wire clamp is enlarged;

the outer wall of the wire clamp wire pressing groove 11 is provided with teeth 10, the outer wall of each tooth 10 is fixedly connected with the wire clamp wire pressing groove 11, the outer wall of the wire clamp cover plate 4 is provided with a wire clamp end plate 14, the outer wall of the wire clamp end plate 14 is fixedly connected with the wire clamp cover plate 4, and the wire clamp end plate 14 is used for being conveniently connected with a wire terminal;

when in use, the wire clamp main body 1 and the wire clamp cover plate 4 adopt special aluminum alloy materials with high strength, high performance and high conductivity, the materials are compact and have no defect, the wire clamp has excellent toughness property and tensile strength, good plasticity, high corrosion resistance and good surface treatment property, also performs special surface treatment on the wire clamp to relieve electrochemical corrosion, adopts the arc-shaped design of the wire clamp crimping groove 11, teeth 10 are arranged on the outer wall of the wire clamping and pressing groove 11, the teeth 10 ensure that the wire and the wire clamp main body 1 have a larger and tight contact surface, the wire clamp can reduce the resistance, the heat dissipation condition is greatly improved due to the arc-shaped structure, the excellent toughness and tensile strength of the wire clamp for the copper-aluminum transition equipment are realized, the resistance of the wire clamp is reduced, the heat dissipation speed of the wire clamp is accelerated, the overload capacity and the service life of the wire clamp are improved, and the energy loss is effectively reduced;

an end plate strip-shaped hole 13 is arranged in a wire clamp end plate 14, an end plate round hole 15 is arranged in a wire clamp cover plate 4 on one side of the end plate strip-shaped hole 13, the end plate strip-shaped hole 13 and the end plate round hole 15 are used for facilitating connection of terminals with different hole pitches, a flat washer 5 is sleeved on the surface of a large half round-head square-neck bolt 12 above the wire clamp cover plate 4, a spring washer 6 is sleeved on the surface of the large half round-head square-neck bolt 12 above the flat washer 5, the spring washer 6 is used for supporting and fixing elastically, a torque nut 8 is sleeved on the surface of the large half round-head square-neck bolt 12 above the spring washer 6, and a rubber ring 7 is sleeved on the surface of the large half round-head square-neck bolt 12 above the torque nut 8;

through being provided with two mounting holes on fastener end plate 14 during the use, an end plate bar hole 13 and an end plate round hole 15, can satisfy the connection of the electrical equipment leading-out terminal of different hole pitches, the flexibility is stronger, insert the inside of fastener main part 1 and fastener apron 4 with half round head square neck bolt 12, plain washer 5 and spring washer 6 cover are on the surface of half round head square neck bolt 12, torque nut 8 carries out the rotation to half round head square neck bolt 12 and presss from both sides tightly, it is fixed to press from both sides fastener main part 1 and fastener apron 4 under torque nut 8 and the cooperation of half round head square neck bolt 12, it is fixed to have realized that copper aluminium transition equipment is with the stable connection of fastener, the connection of electrical equipment leading-out terminal is fixed.

When the embodiment of the application is used: firstly, the arc foot 3 at one side of the wire clamp cover plate 4 is placed into the trapezoidal groove 2 of the wire clamp main body 1, then the wire clamp main body 1 with the teeth 10 and the wire clamp line pressing groove 11 is placed on a wire, the arc line pressing groove 9 of the wire clamp cover plate 4 is buckled on the wire, the arc foot 3 of the wire clamp cover plate 4 is embedded into the trapezoidal groove 2 of the wire clamp main body 1 to form a support, the wire clamp main body 1 and the wire clamp cover plate 4 are matched to form opposite arc grooves for clamping the wire, the arc foot 3 forming the support by the trapezoidal groove 2 in the wire clamp main body 1 can be used as a fulcrum, the clamping of wires with different specifications is realized by changing the size of the arc grooves by moving the wire clamp cover plate 4, when the wire clamp cover plate 4 moves, the position of the bolt adjusting hole 17 corresponding to the bolt hole 16 is adjusted, the large half round head square neck bolt 12 can relatively move in the bolt adjusting hole 17, when the bolt adjusting hole 17 moves, the relative position of a wire clamp cover plate 4 and a wire clamp main body 1 is changed, a large half round head square neck bolt 12 is inserted into a bolt hole 16 and a bolt adjusting hole 17, a wire is clamped under the matching of the wire clamp main body 1 and the wire clamp cover plate 4, then the wire is clamped by the wire clamp main body 1 and the wire clamp cover plate 4 by adopting special aluminum alloy with high strength, high performance and high conductivity, the material is compact and free of defects, the wire clamp has excellent toughness and tensile strength, good plasticity, high corrosion resistance and good surface treatment performance, the wire clamp is subjected to special surface treatment to relieve electrochemical corrosion, a wire clamp line pressing groove 11 adopts an arc-shaped design, teeth 10 are arranged on the outer wall of the wire clamp line pressing groove 11, and the teeth 10 ensure that the wire has a large and compact contact surface with the wire clamp main body 1, so that the resistance of the wire clamp can be reduced, and the heat dissipation condition is greatly improved by the arc-shaped structure, the rethread is provided with two mounting holes on fastener end plate 14, an end plate bar hole 13 and an end plate round hole 15, can satisfy the connection of the electrical equipment leading-out terminal of different hole pitches, the flexibility is stronger, insert the inside of fastener main part 1 and fastener apron 4 with half round head square neck bolt 12, plain washer 5 and spring washer 6 cover are on the surface of half round head square neck bolt 12, torque nut 8 carries out the rotation to half round head square neck bolt 12 and presss from both sides tightly, it is fixed to press from both sides fastener main part 1 and fastener apron 4 to press from both sides tightly under torque nut 8 and the cooperation of half round head square neck bolt 12, accomplish the use work of fastener for the equipment.

Claims (6)

1. The utility model provides a copper aluminium transition is fastener for equipment which characterized in that: the cable clamp comprises a cable clamp main body (1), a trapezoidal groove (2), an arc foot (3), a cable clamp cover plate (4) and bolt adjusting holes (17), wherein the cable clamp cover plate (4) is arranged outside the cable clamp main body (1), two groups of bolt adjusting holes (17) are arranged inside the cable clamp cover plate (4), two groups of bolt holes (16) are arranged inside the cable clamp main body (1), two groups of large half-round-head square-neck bolts (12) are arranged outside the cable clamp main body (1), the top ends of the large half-round-head square-neck bolts (12) extend into the bolt holes (16) and the bolt adjusting holes (17), a cable clamp line pressing groove (11) is arranged on the outer wall of the cable clamp main body (1), the trapezoidal groove (2) is arranged on one side, away from the cable clamp line pressing groove (11), a circular arc line pressing groove (9) is arranged at the bottom end of the cable clamp cover plate (4) above the cable clamp line pressing groove (11), the bottom end of the wire clamp cover plate (4) above the trapezoidal groove (2) is provided with an arc foot (3).

2. The wire clamp for the copper-aluminum transition equipment according to claim 1, characterized in that: the outer wall of the wire clamp wire pressing groove (11) is provided with teeth (10), and the outer wall of the teeth (10) is fixedly connected with the wire clamp wire pressing groove (11).

3. The wire clamp for the copper-aluminum transition equipment according to claim 1, characterized in that: the outer wall of the wire clamp cover plate (4) is provided with a wire clamp end plate (14), and the outer wall of the wire clamp end plate (14) is fixedly connected with the wire clamp cover plate (4).

4. The wire clamp for the copper-aluminum transition equipment according to claim 3, characterized in that: the internally mounted of fastener end plate (14) has end plate bar hole (13), and fastener apron (4) internally mounted of end plate bar hole (13) one side has end plate round hole (15).

5. The wire clamp for the copper-aluminum transition equipment according to claim 1, characterized in that: the surface of a large half round-head square-neck bolt (12) above the wire clamp cover plate (4) is sleeved with a flat washer (5), and the surface of the large half round-head square-neck bolt (12) above the flat washer (5) is sleeved with a spring washer (6).

6. The wire clamp for the copper-aluminum transition equipment according to claim 5, characterized in that: the surface of a large half round-head square-neck bolt (12) above the spring washer (6) is sleeved with a torque nut (8), and the surface of the large half round-head square-neck bolt (12) above the torque nut (8) is sleeved with a rubber ring (7).

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