For the grounding wire device of vertical high voltage wire
Technical field
The present invention relates generally to earth connection technical field, refers in particular to a kind of grounding wire device for vertical high voltage wire.
Background technology
At present when testing power equipment, often need vertically disposed busbar grounding cutter downlead, circuit downlead, the lightning arrester downlead in line side is taken apart, carries out equipment test to facilitate.But when each downlead is taken apart, the downlead of connection line then needs ground protection.Current earth connection is normally used is two tongue hook type earth connections, its structure is the U-shaped of handstand, and this type of earth connection operates more convenient to the wire of horizontal arrangement or wire clamp, but when being mounted in vertical downlead, it is installed and dismantles all more difficult, very easily drops because hook is not firm; And current circuit downlead is not also installed specially the place of earth connection, bring larger difficulty to the work of the ground connection of vertical high voltage wire.
Summary of the invention
The technical problem to be solved in the present invention is just: the technical problem existed for prior art, the invention provides that a kind of structure is simple, clamping and dismounting all easier and clamp the firm grounding wire device for vertical high voltage wire.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is:
A kind of grounding wire device for vertical high voltage wire, comprise base plate, first holder, second holder and insulating bar, described base plate is vertically arranged, described first holder and the second holder are symmetrical and be rotatably installed in the both sides of described base plate, described base plate is provided with and orders about described first holder and described second holder rotates and contacts with each other to hold tightly the close mechanism of described high-voltage conducting wires, one end of described insulating bar is connected with described base plate, the other end of described insulating bar is provided with and orders about described first holder and the second holder rotates and is separated from each other to unclamp the separating mechanism of described high-voltage conducting wires.
Further improvement as technique scheme:
Described first holder comprises the first jig arm first fixture block, described second holder comprises the second jig arm and the second fixture block, described first jig arm and the second jig arm are all rotatably installed on described base plate, described first fixture block is rotatably installed in the first jig arm, second fixture block is rotatably installed in the second jig arm, and described first fixture block and described second fixture block contact with each other to hold described high-voltage conducting wires tightly under the rotation of the first jig arm and the second jig arm.
Described first jig arm and the second jig arm one end close to each other are turning end, are all rotatably installed on described base.
Described close mechanism comprises many extension springs, and one end of described extension spring is hooked on the base plate that is positioned at above described first jig arm and the second jig arm, and the other end is hooked in described first jig arm and the second jig arm.
The connecting rod that described separating mechanism comprises two pull bars and is arranged in described insulating bar, one end of two described pull bars is arranged on described first jig arm and the second jig arm one end away from turning end respectively, the other end of two described pull bars is connected with one end of described connecting rod, and the other end of described connecting rod is provided with and orders about described connecting rod to the propelling handle moved away from pull bar direction.
Described propelling handle comprises and being arranged in described insulating bar cavity and the stop sleeve, the first Compress Spring, stator and the activity template that are set on connecting rod, described stop sleeve is fixed in the cavity of described insulating bar, described stator is fixed on described stop sleeve, described first Compress Spring is arranged between stop sleeve and described stator, described activity template is arranged between described first Compress Spring and stator, the side of described stator is movably set with one handle, a side contacts of described handle and described activity template.
Described separating mechanism also comprises the stop assembly that the described connecting rod of restriction moves to described base plate direction.
Described stop assembly comprises and is set in locking plate on described connecting rod and the second Compress Spring, one end of described locking plate is flexibly connected with described stop sleeve, the other end of described stop sleeve stretches out described insulating bar, described second Compress Spring is arranged between described locking plate and stator, and described locking plate has a down dip at the elastic force of described second Compress Spring and blocks described connecting rod.
The face that described first fixture block and described second fixture block contact with each other is semi-circular, and described semiorbicular is provided with horizontal anti-slip veins.
Described base plate and described insulating bar а at an angle, wherein 15≤а≤45 degree.
Compared with prior art, the invention has the advantages that:
Grounding wire device for vertical high voltage wire of the present invention, by close mechanism, the first holder and the second holder are mutually clamped and embrace vertical high voltage wire, it is firm to clamp, by separating mechanism, the second holder and the second holder are separated from each other to unclamp vertical high voltage wire, easy and simple to handle, therefore this grounding wire device is in clamping and to unclamp the operating process of vertical high voltage wire all easier, is conducive to improving on-the-spot operating efficiency.Close mechanism of the present invention adopts extension spring, can ensure the chucking power between the first fixture block and the second fixture block, thus ensures the reliability of ground connection, and structure simple, be easy to change.Separating mechanism adopts and advances handle in addition, and it is easy to operate; Install at an angle between base plate and insulating bar, facilitate ground connection operation.
Accompanying drawing explanation
Fig. 1 is the structural representation that master of the present invention looks.
Fig. 2 is the backsight structural representation of base plate in the present invention.
Fig. 3 is the side-looking structural representation (saving extension spring) of base plate in the present invention.
Fig. 4 is the main TV structure schematic diagram after the present invention first holder and the second holder are separated from each other.
Fig. 5 be in Fig. 1 the first fixture block contact with the second fixture block after plan structure schematic diagram.
Fig. 6 is the structural representation with the second fixture block contact-making surface in the first fixture block.
Fig. 7 is the partial sectional view advancing handle place in Fig. 1.
Number in the figure represents: 1, base plate; 11, electric wire; 12, to sheet; 2, the first holder; 21, the first jig arm; 22, the first fixture block; 3, the second holder; 31, the second jig arm; 32, the second fixture block; 4, close mechanism; 41, extension spring; 5, separating mechanism; 51, pull bar; 52, connecting rod; 53, handle is advanced; 531, stop sleeve; 532, stator; 533, activity template; 534, the first Compress Spring; 535, handle; 54, stop assembly; 541, the second Compress Spring; 542, locking plate; 6, insulating bar.
Embodiment
Below in conjunction with Figure of description and specific embodiment, the invention will be further described.
As shown in Figures 1 to 7, the grounding wire device for vertical high voltage wire of the present embodiment, comprise base plate 1, first holder 2, second holder 3 and insulating bar 6, wherein base plate 1 is in vertically arranging, first holder 2 and the second holder 3 are symmetrical and be rotatably installed in the left and right sides of base plate 1, , base plate 1 is provided with and orders about the first holder 2 and the second holder 3 rotates and contacts with each other to hold tightly the close mechanism 4 of vertical high voltage wire, one end of insulating bar 6 is connected with base plate 1, the other end is provided with and orders about the first holder 2 and the second holder 3 rotates and is separated from each other to unclamp the separating mechanism 5 of high-voltage conducting wires.When carrying out ground connection operation, making the first holder 2 and the second holder 3 contact with each other and hold vertical high voltage wire tightly by close mechanism 4, thus being grounded operation, and clamp firm; During dismounting, by the separating mechanism 5 on insulating bar 6, first holder 2 and the second holder 3 are separated from each other, thus realize unclamping the dismantlement work that vertical high voltage wire completes earth connection, therefore this grounding wire device structure simple, install and dismounting all more convenient.
In the present embodiment, first holder 2 comprises the first jig arm 21 of arc, second holder 3 comprises the second jig arm 31 of arc, and the arc opening of each jig arm down, first jig arm 21 and the second jig arm 31 one end (turning end) close to each other are rotatably installed on base plate 1, as connected by bearing pin or bolt and nut, the turning end of the first jig arm 21 is provided with the first fixture block 22, the turning end of the second jig arm 31 is provided with the second fixture block 32, first fixture block 22 and the second fixture block 32 are symmetrical set, when the first jig arm 21 and the second jig arm 31 move up away from one end of turning end, first fixture block 22 can be close to each other until contact with the second fixture block 32, thus vertical high voltage wire is held tightly.In the present embodiment, the face that first fixture block 22 and the second fixture block 32 contact with each other is semi-circular, and semiorbicular is provided with horizontal anti-slip veins, then form the circular space holding wire after the first fixture block 22 and the second fixture block 32 contact with each other, conveniently hold high-voltage conducting wires tightly; Anti-slip veins can increase the frictional force between wire and each fixture block in addition, prevents earth connection from getting loose.Wherein each fixture block is all be rotatably installed in each jig arm, and run-on point is all mounted in the top of each fixture block, and the both sides, bottom of each fixture block are by electric wire 11 and base plate 1 conducting, to ensure the reliability of ground connection, when the ground connection operation carrying out vertical high voltage wire, can be sagging due to deadweight and the weight of wire after fixture block is separated from each other, thus ensure that each fixture block conveniently clamps high-voltage conducting wires in vertical shape always, avoid each fixture block vertically can not cannot clamp high-voltage conducting wires after each jig arm is rotated.
As Fig. 1, shown in Fig. 2 and Fig. 3, in the present embodiment, close mechanism 4 comprises many extension springs 41, the montant that base plate 1 comprises upper and lower two transverse slats and connects in the middle part of two transverse slats, and in I shape, one end of extension spring 41 is hooked on the transverse slat of the base plate 1 be positioned at above the first jig arm 21 and the second jig arm 31, the other end is hooked on the top of the first jig arm 21 and the second jig arm 31, due to the tensile force of extension spring 41, the jig arm of arc then can upwards be rotated away from one end of turning end, thus impel the first fixture block 22 and the second fixture block 32 close to each other and hold high-voltage conducting wires tightly, due to the elastic force that extension spring 41 continues, enough chucking powers can be ensured, thus ensure the reliability of ground connection, extension spring 41 is all hooked in base plate 1 and each jig arm in addition, and its replacing is also more convenient.As shown in Figure 3, owing to being provided with jig arm and construction bolt thereof between fixture block and base plate 1, therefore there is certain gap between fixture block and base plate 1, when carrying out ground connection operation, easily cause fixture block cannot embrace high-voltage conducting wires accurately, be bolted one above the riser of therefore base plate 1 and supported sheet 12, be arranged on to sheet 12 on base plate 1 riser of the top of fixture block, high-voltage conducting wires on same vertical curve, thus can be embraced when carrying out ground connection operation by the inner side of its outer surface and fixture block accurately.
In the present embodiment, separating mechanism 5 comprises two pull bars 51, be arranged on the connecting rod 52 in insulating bar 6 and advance handle 53, one end of two pull bars 51 is rotatably installed in the first jig arm 21 and the second jig arm 31 one end away from turning end respectively, the other end of two pull bars 51 is then all connected by the one end with connecting rod 52 of the perforate on insulating bar 6, the other end of connecting rod 52 is provided with the propelling handle 53 ordering about connecting rod 52 and move to the direction away from pull bar 51, as shown in Figure 7, advance handle 53 to comprise to be arranged in insulating bar 6 cavity and the stop sleeve 531 be set on connecting rod 52, first Compress Spring 534, stator 532 and activity template 533, stop sleeve 531 is fixed in the cavity of insulating bar 6 by rivet, stator 532 is then fixed on stop sleeve 531, first Compress Spring 534 is arranged between stop sleeve 531 and stator 532, activity template 533 is arranged between the first Compress Spring 534 and stator 532, the side of stator 532 is movably set with one handle 535, one side contacts of handle 535 and activity template 533, the other end then stretches out the cavity of insulating bar 6 with handled easily.When pressing handle 535,535, handle can promote the side of activity template 533, activity template 533 can tilt thus block connecting rod 52, thus make activity template 533 carry out not parallel motion and promote connecting rod 52 to move each jig arm is down rotated by pull bar 51, thus each fixture block is made to be separated from each other and to unclamp high-voltage conducting wires.
In the present embodiment, separating mechanism 5 also comprises the stop assembly 54 that limiting rod 52 moves to base plate 1 direction, when installing or removing, the pulling force of extension spring 41 can be overcome, first fixture block 22 and the second fixture block 32 are separated from each other, thus conveniently carry out hook and the dismantlement work of vertical high voltage wire.As shown in Figure 7, stop assembly 54 comprises and is set in locking plate 542 on connecting rod 52 and the second Compress Spring 541, one end of locking plate 542 is flexibly connected with stop sleeve 531, the other end of stop sleeve 531 stretches out insulating bar 6, second Compress Spring 541 is arranged between locking plate 542 and stator 532, locking plate 542 has a down dip at the elastic force of the second Compress Spring 541 and blocks connecting rod 52, thus when carrying out ground connection operation, each fixture block can be made to keep released state and conveniently clamp; When clamping, stretched out one end of insulating bar 6 by pressing locking plate 542, each jig arm then can automatically upwards be rotated and make fixture block hold high-voltage conducting wires tightly under the elastic force of extension spring 41.
In the present embodiment, base plate 1 and insulating bar 6 а at an angle, wherein 15≤а≤45 degree, because base plate 1 is in vertically arranging, insulating bar 6 and vertical direction а at an angle, can facilitate staff to carry out the ground connection work of wire, value 25 degree in the present embodiment.
In addition, insulating bar 6 is formed by connecting by multistage, can carry out the adjustment of length as required.Accordingly, the connecting rod 52 in insulating bar 6 is also be formed by connecting by multistage, and in this not go into detail.
The course of work: during use, by advancing handle 53 by connecting rod 52 toward drop-down, make to be separated from each other between the first fixture block 22 and the second fixture block 32, then vertical high voltage wire is positioned between two fixture blocks, press locking plate 542, first jig arm 21 and the second jig arm 31 are rotated under the pulling force of extension spring 41, make the first fixture block 22 and the second fixture block 32 mutually draw close and hold high-voltage conducting wires tightly, and can ensure certain chucking power; During dismounting, by constantly pressing handle 535, connecting rod 52 is moved down, thus make be separated from each other between the first fixture block 22 and the second fixture block 32 and unclamp high pressure vertical wires.
Below be only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be considered as protection scope of the present invention.