A kind of double C-type elastic wiring device
Technical field
The invention belongs to electricity field, relate in particular to a kind of for the convenient jockey that connects two kinds of specification wires.
Background technology
Along with urbanization has proposed more and more higher requirement with the growing ,Dui supply line of power supply construction and production, safety and the upkeep operation of relevant device thereof.
The wiring operation of supply line and equipment thereof, with maintenance and the security presence close relationship of line facility.
In the past, wiring for equipment on supply line's concurrent, conventionally use wire clip (to be commonly called as in the industry binding clip, be generally used for connections single or two wires, as shown in Figure 1), it adopts upper and lower two block pressur plates (in figure with a, b represents), at least two group hex bolts (d1, d2), two groups of hex nuts (c1, c2), then be equipped with the version of corresponding faced washer and spring washer.Compress wire, operating personnel must respectively take one spanner by both hands, and clamp nut and bolt, can compress wire simultaneously; And for carry out the operating personnel of hot line job on electric pole, the operation of both hands close-range electrified is unpractical; And when carrying out live line working, want operating personnel to use two groups of insulation fastened tools just can carry out the terminal operation of bolt simultaneously, whole terminal operation process is inconvenience very, the fastening quality of wire can not be guaranteed, easily occur because of fastening quality bad, the fault that causing connecting wire seriously affects quality of connection in connection position heating, wire oxidation occurs, and in fastening bolt process, operating personnel's personal safety can not get ensureing.
In addition, the connecting line due to Shanghai supply line equipment, has 25mm
2and 35mm
2the wire of two kinds of specifications, in order to adapt to the wire of different wire diameters, need to be equipped with the wire clip of different size, has also increased description and the quantity of spare part, is unfavorable for reducing quantity and the management cost of spare part.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of double C-type elastic wiring device, it adopts the elastic connecting cable clamp structure form of the two openings of double C shape, be aided with half-round head square neck bolt and flange surface nut matches, only need be with an impact wrench during bolted, can realize the quick crimping of wire and fastening, be very easy to operating personnel and on electric pole, carry out equipment, the charged wiring operation of circuit, wiring that can two kinds of different wire diameter wires of simultaneous adaptation, the fastening quality that connects wire is guaranteed, contribute to eliminate because of the fastening circuit heating accident causing not in place, also can ensure the personal safety of operating personnel in operating process.
Technical scheme of the present invention is: a kind of double C-type elastic wiring device is provided, comprise through being bolted to the wire clamp on support, it is characterized in that: described elastic wiring device comprises the two opening elastic wire clamps of double C shape, half-round head square neck bolt and hexagon nut with flange; Wherein, the two opening elastic wire clamps of described double C shape comprise a C shape curved surface member and the 2nd C shape curved surface member that cross section bending radius is r that a cross section bending radius is R; Openend at a described C shape curved surface member, be respectively arranged with the first prolongation straight flange and second and extend hypotenuse, described second other end that extends hypotenuse is connected with one end of described the 2nd C shape curved surface member openend, at the other end of described the 2nd C shape curved surface member openend, arrange the 3rd and extend straight flange; On the second described prolongation hypotenuse, be provided with slotted hole; Described first, extend straight flange and the 3rd and extend on straight flange, be respectively arranged with first, second bolt hole; On described support, offer a regular polygon hole; Described regular polygon hole and first, second described circular hole and described slotted hole are coaxially set; At the end of the first prolongation straight flange, be provided with a spacing bending edges or spacing bending projection; A half-round head square neck bolt is set in the regular polygon hole of described support; At the opposite side of described support, the two opening elastic wire clamps of described double C shape are set; Described half-round head square neck bolt runs through the first prolongation straight flange, second and extends after hypotenuse and the 3rd the first bolt hole, slotted hole and the second bolt hole extending on straight flange, is fastenedly connected with described hexagon nut with flange rotation.
Concrete, described in it, the shape of cross section of the hole shape in regular polygon hole and described half-round head square neck bolt square neck part matches.
Further, described first extends spacing bending edges or the spacing bending projection on straight flange, with the setting that matches of the position of described support side.
Further, at first of described support and the two opening elastic wire clamps of described double C shape, extend between straight flange, be provided with conducting strip.
First of the two opening elastic wire clamps of conducting strip described in it and described double C shape extend straight flange and fix as one.
Concrete, the openend of the openend of a described C shape curved surface member and described the 2nd C shape curved surface member arranges in opposite directions.
Further, the first prolongation straight flange of the two opening elastic wire clamps of described double C shape and the 3rd prolongation straight flange be arranged in parallel.
A C shape curved surface member described in it and described first extends straight flange and second and extends hypotenuse, forms a R font elastic component; The 2nd described C shape curved surface member and the described the 3rd extends straight flange and second and extends hypotenuse, forms the 2nd R font elastic component.
A R font elastic component and described the 2nd R font elastic component described in it, longitudinal axis along described half-round head square neck bolt, longitudinally turn over the setting of turnback mirror image, by sharing the second described prolongation hypotenuse, form the elastic wire clamp member of the two openings of an integrated double C shape.
In other words, described in it, longitudinal parting face of the two opening elastic wire clamps of double C shape is " Z " character form component, the first described bottom rail stroke that extends straight flange formation " Z " font, the second described oblique stroke that extends hypotenuse formation " Z " font, the 3rd described top rail stroke that extends straight flange formation " Z " font; Bottom rail stroke and oblique stroke intersection at " Z " font, arrange a C shape curved surface member, and oblique stroke and top rail stroke intersection at " Z " font, arrange the 2nd C shape curved surface member; Described the first prolongation straight flange, a C shape curved surface member, second extends hypotenuse, the 2nd C shape curved surface member and the 3rd extends straight flange, jointly forms the elastic wire clamp member of the two openings of an integrated double C shape.
Compared with the prior art, advantage of the present invention is:
1. on support, offer regular polygon hole, the element structure and the two opening elastic wire clamps of double C shape that adopt half-round head square neck bolt and hexagon nut with flange to match, make whole fastening process only need a box spanner to complete, be specially adapted to the charged wiring operation of equipment on bar;
2. be provided with spacing bending edges structure, by it, match with bolt, control the upper and lower of the two opening elastic wire clamps of double C shape, the activity on left and right, rotation three degree of freedom, can be clipped in the rotation of following occurring with nut rotation in support plane in restraining line, contribute to fast-holding operation;
3. adopt flange surface nut and bolt to match, whole group of termination can omit a faced washer and a spring washer, both simplify wiring operating procedure and wiring process, can reduce again the acquisition cost of a whole set of termination, lower by 60% than the production cost of original line ball fixture block;
4. better, the good weatherability of lightweight, the electric conductivity of whole double C-type elastic wiring device, dress folding are convenient, have improved the safe operation reliability of product in supply line, the worker's manual manipulation installation wiring on electric pole that can guarantee to power, and coefficient of safety is high;
5. on elastic wire clamp, be provided with first, second C shape curved-surface structure simultaneously, form first, second R font elastic component arranging in opposite directions, wiring that can two kinds of different wire diameter wires of simultaneous adaptation, can reduce specification and the quantity of spare part, contributes to reduce device fabrication and powered operation cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing binding clip;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the structural representation of this device after flange surface nut and bolted put in place;
Fig. 4 is that the A of Fig. 3 is to view.
In figure, 1 is support, and 1-1 is regular polygon hole, and 1-2 is conducting strip, 2 is a C shape curved surface member, and 2-1 is the first prolongation straight flange, and 2-2 is the second prolongation hypotenuse, 2-3 is slotted hole, and 3 is the 2nd C shape curved surface member, and 3-1 is the 3rd prolongation straight flange, 4 is half-round head square neck bolt, 4-1 is half-round head square neck bolt square neck part, and 5 is hexagon nut with flange, and 6 is spacing bending edges, 7 is the first wire, and 8 is the second wire.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
In Fig. 2, technical scheme of the present invention provides a kind of double C-type elastic wiring device, comprises through being bolted to the wire clamp on support, and the elastic wiring device described in it comprises the two opening elastic wire clamps of double C shape, half-round head square neck bolt and hexagon nut with flange.
Wherein, the two opening elastic wire clamps of described double C shape comprise a C shape curved surface member 2 and the 2nd C shape curved surface member 3 that cross section bending radius is r that a cross section bending radius is R; Openend at a described C shape curved surface member, be respectively arranged with the first prolongation straight flange 2-1 and second and extend hypotenuse 2-2, described second other end that extends hypotenuse is connected with one end of described the 2nd C shape curved surface member openend, at the other end of described the 2nd C shape curved surface member openend, arrange the 3rd and extend straight flange 3-1; On the second described prolongation hypotenuse, correspondence is provided with slotted hole 2-3; Described first, extend straight flange and the 3rd and extend on straight flange, be respectively arranged with first, second bolt hole; On described support 1, offer a regular polygon hole 1-1.
As seen from the figure, described regular polygon hole and described first, second circular hole and described slotted hole are coaxially set.
At the end of the first prolongation straight flange, be provided with a spacing bending edges 6 or spacing bending projection.
A half-round head square neck bolt 4 is set in the regular polygon hole of described support; At the opposite side of described support, the two opening elastic wire clamps of described double C shape are set; Described half-round head square neck bolt runs through the first prolongation straight flange, second and extends after hypotenuse and the 3rd the first bolt hole, slotted hole and the second bolt hole extending on straight flange, is fastenedly connected with described hexagon nut with flange 5 rotations.
Concrete, described in it, the shape of cross section of the hole shape of regular polygon hole 1-1 and described half-round head square neck bolt square neck part 4-1 matches.
Further, described first extends spacing bending edges 6 or the spacing bending projection on straight flange, with the setting that matches of the position of described support 1 side.
Further, at first of described support and the two opening elastic wire clamps of described double C shape, extend between straight flange, be provided with conducting strip 1-2.
First of the two opening elastic wire clamps of this conducting strip and double C shape extend straight flange and fix as one through punching press or spot welding.
Because the two opening elastic wire clamps of double C shape adopt tin bronze material (having good elasticity and conductivity) to make, as much as possible little in order to guarantee the contact resistance between itself and support, therefore between support and the two opening elastic wire clamps of double C shape, be provided with the conducting strip of being made by copper product, to guarantee that the contact resistance between the two opening elastic wire clamps of support and double C shape meets code requirement.
As seen from the figure, the openend of the openend of a described C shape curved surface member and described the 2nd C shape curved surface member arranges in opposite directions.
When hexagon nut with flange is during in non-impaction state or slack position, first of the two opening elastic wire clamps of described double C shape extend straight flange and be arranged in parallel with the 3rd prolongation straight flange.
A C shape curved surface member 2 described in it extends hypotenuse 2-2 with described the first prolongation straight flange 2-1 and second, forms a R font elastic component; The 2nd described C shape curved surface member 3 extends hypotenuse 2-2 with described the 3rd prolongation straight flange 3-1 and second, forms the 2nd R font elastic component.
As seen from the figure, a described R font elastic component and described the 2nd R font elastic component, along the longitudinal axis of described half-round head square neck bolt, longitudinally turn over the setting of turnback mirror image.Wherein, the first straight pen that extends " R " font in straight flange 2-1 formation the one R font elastic component is drawn limit, and second extends the oblique stroke limit that hypotenuse 2-2 forms " R " font in a R font elastic component; Meanwhile, the second straight pen that extends " R " font in hypotenuse formation the 2nd R font elastic component is drawn limit, and the 3rd extends the oblique stroke limit that straight flange 3-1 forms the 2nd R font elastic component " R " font.The one R font elastic component and the second font elastic component, extend hypotenuse 2-2 by sharing second, forms the elastic wire clamp member of the two openings of an integrated double C shape.
In other words, longitudinal parting face of the two opening elastic wire clamps of described double C shape is " Z " character form component, the first described bottom rail stroke that extends straight flange 2-1 formation " Z " font, the second described oblique stroke that extends hypotenuse 2-2 formation " Z " font, the 3rd described top rail stroke that extends straight flange 3-1 formation " Z " font; Bottom rail stroke and oblique stroke intersection at " Z " font, arrange a C shape curved surface member 2, and oblique stroke and top rail stroke intersection at " Z " font, arrange the 2nd C shape curved surface member 3; Described the first prolongation straight flange, a C shape curved surface member, second extends hypotenuse, the 2nd C shape curved surface member and the 3rd extends straight flange, jointly forms the elastic wire clamp member of the two openings of an integrated double C shape.
During actual fabrication, first on the wiring support of equipment, go out octagon hole, be pressed into (tightly) half-round head square neck bolt, half-round head square neck bolt and support are connected as a single entity, be loaded on the two opening elastic wire clamps of double C shape, utilize the spacing bending edges on the first prolongation straight flange, limit whole elastic connecting wire clamp upper and lower, activity on the three degree of freedom of left and right, rotation, prevent that whole elastic wiring device from following rotation because of what the rotation of nut occurred, and then realize the restricted location to this elastic connecting wire clamp.
Compare with existing binding clip, this device adopts hexagon nut with flange and half-round head square neck bolt to match, and can save a faced washer and a spring washer, both can reduce install operation process and step, can reduce again the manufacturing cost of whole termination.
In Fig. 3 and Fig. 4, after screwing between hexagon nut with flange 5 and half-round head square neck bolt 4 and putting in place, hexagon nut with flange and half-round head square neck bolt match, by being extended to straight flange 3-1, the first prolongation straight flange 2-2 and the 3rd of the two opening elastic wire clamps of double C shape exerts pressure, the opening of first, second C shape curved surface member is dwindled, utilize the mode of C shape open circles cylinder line ball, the first wire 7 that is arranged in a C shape curved surface member is held with a firm grip; Equally, the second wire 8 that is arranged in the 2nd C shape curved surface member is also held with a firm grip simultaneously, thereby realizes reliable connection the between the two opening elastic wire clamps of double C shape and wire.
The two opening elastic wire clamps of double C shape in the technical program, utilize the elasticity of C shape curved surface member, put into wire, screw nut, and clamping platen makes wire firmly be connected with wire clamp.Unclamp nut and open wire clamp, utilize the elasticity of C shape curved surface member to loosen wire, can pull down easily wire.
Owing to being provided with first, second C shape curved surface member on the two opening elastic wire clamps of double C shape simultaneously, make this elastic connecting wire clamp can connect the wire of two kinds of different wire diameters simultaneously, in other words, this elastic connecting wire clamp can two kinds of different wire diameter wires of simultaneous adaptation connection and without changing binding clip, the adaptive surface of this product is expanded.
Because the body of its elastic connecting wire clamp is one, by screwing hexagon nut with flange, utilize the restriction positioning action of spacing bending edges 6, can control the upper and lower of wire clamp, the three degree of freedom of left and right, rotation, with respect to the line ball wire clamp of existing disome brass formula, the conductive contact resistance of this binding clip is lower, and security reliability is higher.
As can be seen here, this double C-type elastic wiring device have production cost low, lightweight, conduct electricity very well, good weatherability, folding dress is convenient, contribute to improve the safe operation reliability of product in supply line, can guarantee workmen's manual manipulation installation wiring on electric pole, be the electrical connection product that a kind of coefficient of safety is higher.
The technical indicator of its product is:
Applicable temperature :-40 ℃~+ 70 ℃;
Applicable voltage: 12kV~0.4kV;
Applicable electric current: 200A;
Connect wire intensity: when active force to apply≤30kg of connected wire, wire non-displacement;
Temperature rise test: by electric current, be 200A, test duration 8 hours, product temperature rise≤63 ℃.
Because the present invention has adopted the two opening elastic wire clamp structures of double C shape, be aided with the element structure that half-round head square neck bolt and hexagon nut with flange match, make whole fastening process only need a box spanner to complete, be specially adapted to the charged wiring operation of equipment on bar; Spacing bending edges structure is set, can be clipped in the rotation of following occurring with nut rotation in support plane in restraining line, contribute to fast-holding operation; Adopt flange surface nut and bolt to match, both simplified wiring operating procedure and wiring process, can reduce again the acquisition cost of a whole set of termination; On the two opening elastic wire clamps of double C shape, be provided with first, second C shape curved-surface structure simultaneously, make it can two kinds of different wire diameter wires of simultaneous adaptation wiring; Whole elastic wiring device had both been very easy to the charged wiring operation that operating personnel carries out equipment, circuit on electric pole, can make again the fastening quality that connects wire be guaranteed, and also can ensure the personal safety of operating personnel in operating process.
The present invention can be widely used in the Design and manufacture field of power supply unit wire connection device.