阅读说明：本技术 一种配电网地电位带电搭火t接线装置 (Live-line fire-catching T-shaped wiring device for ground potential of power distribution network ) 是由 唐晚成 王庆红 杨永祥 王颖 李广凯 林龙 钱安顺 李晓 涂达胜 勾清亮 吴恩宇 于 2019-09-10 设计创作，主要内容包括：本发明提供一种配电网地电位带电搭火T接线装置,包括接线夹主体、定夹块、动夹块、定夹板、动夹板、升降组件和能够绝缘的蜗轮蜗杆组件,定夹块设置于接线夹主体并与动夹块沿水平方向延伸,定夹块和动夹块相对设置且形成第一夹线空间,定夹板设置于接线夹主体并与动夹板沿竖直方向延伸,定夹板和动夹板相对设置且形成第二夹线空间,第一夹线空间位于接线夹主体的一侧,第二夹线空间位于接线夹主体的另一侧,升降组件连接于动夹块的下表面,蜗轮蜗杆组件用于驱动动夹块升降。该T接线夹可以在带电状态实现搭火,可以避免因搭火造成断电而影响对用户的正常供电。(The invention provides a distribution network ground potential live-line sparking T-connection device which comprises a connection clamp main body, a fixed clamping block, a movable clamping block, a fixed clamping plate, a movable clamping plate, a lifting assembly and a worm gear assembly capable of insulating, wherein the fixed clamping block is arranged on the connection clamp main body and extends along the horizontal direction with the movable clamping block, the fixed clamping block and the movable clamping block are oppositely arranged and form a first wire clamping space, the fixed clamping plate is arranged on the connection clamp main body and extends along the vertical direction with the movable clamping plate, the fixed clamping plate and the movable clamping plate are oppositely arranged and form a second wire clamping space, the first wire clamping space is positioned on one side of the connection clamp main body, the second wire clamping space is positioned on the other side of the connection clamp main body, the lifting assembly is connected to the lower surface of the movable clamping block, and the worm gear assembly is. The T jointing clamp can be used for realizing fire lapping in a live state, and the influence on normal power supply of a user due to power failure caused by fire lapping can be avoided.)

1. The T wiring device for electrified ground potential ignition of the power distribution network is characterized by comprising a wiring clamp main body (1), a fixed clamping block (81), a movable clamping block (82), a fixed clamping plate (5), a movable clamping plate (4), a lifting assembly and a worm and gear assembly capable of insulating, wherein the fixed clamping block (81) is arranged in the wiring clamp main body (1) and extends along the horizontal direction with the movable clamping block (82), the fixed clamping block (81) and the movable clamping block (82) are oppositely arranged and form a first wire clamping space, the fixed clamping plate (5) is arranged in the wiring clamp main body (1) and extends along the vertical direction with the movable clamping plate (4), the fixed clamping plate (5) and the movable clamping plate (4) are oppositely arranged and form a second wire clamping space, the first wire clamping space is positioned on one side of the wiring clamp main body (1), and the second wire clamping space is positioned on the other side of the wiring clamp main body (1), the lifting assembly is connected to the lower surface of the movable clamping block (82), and the worm and gear assembly is used for driving the movable clamping block (82) to lift.

2. The distribution network ground potential live sparking T wiring device according to claim 1, characterized in that the lifting assembly comprises a lower bracket (2), an upper bracket (7), a lead screw (11), two upper support arms (10), two lower support arms (12), four support shafts (9) and two hinge shafts, the lower bracket (2) is fixedly connected to the wiring clamp main body (1), the upper bracket (7) is connected with the movable clamping block (82), one ends of the two upper support arms (10) are correspondingly hinged to the upper bracket (7) through the two support shafts (9), one ends of the two lower support arms (12) are correspondingly hinged to the lower bracket (2) through the two support shafts (9), the other ends of the two lower support arms (12) are correspondingly hinged to the other ends of the two upper support arms (10) through the two hinge shafts, two go up support arm (10) and two lower support arm (12) constitute parallelogram roughly, lead screw (11) wear to locate two articulated shafts and extend along the horizontal direction, the worm gear subassembly is used for the drive lead screw (11) rotate and make lead screw (11) are along its self axial displacement.

3. The distribution network ground potential live sparking T-connection device according to claim 2, characterized in that the terminal clamp body (1) is of a U-shaped structure, one end of the terminal clamp body (1) forms the fixed clamping block (81), the other end of the terminal clamp body (1) is configured as a supporting end and extends in a horizontal direction, and the lower bracket (2) is fixedly arranged on the upper surface of the supporting end.

4. The distribution network ground potential live-fire T wiring device according to claim 3, characterized in that the worm gear assembly comprises a worm (3), a worm wheel (6) and an insulating rod (18), the worm (3) is rotatably arranged through the supporting end and extends along a vertical direction, the worm wheel (6) is rotatably arranged on the wiring clamp body (1), the worm wheel (6) is respectively engaged with the worm (3) and the lead screw (11), and the insulating rod (18) is connected to the lower end of the worm (3).

5. The distribution network ground potential live sparking T-connection device according to claim 3, characterized in that the distribution network ground potential live sparking T-connection device further comprises a sliding block (17), a sliding groove extending in a vertical direction is formed in the inner side of the jointing clamp body (1), and the movable clamping block (82) is slidably connected to the sliding groove through the sliding block (17).

6. The distribution network ground potential live sparking T-connection device according to claim 3, characterized in that the distribution network ground potential live sparking T-connection device further comprises a plurality of fasteners, the movable clamping plate (4) is connected to the fixed clamping plate (5) through the plurality of fasteners, and the movable clamping plate (4) can be close to or far away from the fixed clamping plate (5).

7. The distribution network ground potential live sparking T wiring device according to claim 6, characterized in that each fastener comprises a countersunk screw (15) and two nuts (16), the countersunk screw (15) penetrates through the fixed clamping plate (5) and the movable clamping plate (4) respectively, and the two nuts (16) are sleeved on the countersunk screw (15) and are arranged on two sides of the movable clamping plate (4) respectively.

8. The distribution network ground potential live sparking T-connection device as claimed in claim 1, wherein the movable clamping plate (4) and the fixed clamping plate (5) are respectively provided with a first arc-shaped groove which is opposite to each other, and the movable clamping block (82) and the fixed clamping block (81) are respectively provided with a second arc-shaped groove which is opposite to each other.

9. The distribution network ground potential live sparking T-connection device as claimed in claim 8, characterized in that anti-slip patterns are arranged in said first arc-shaped groove and said second arc-shaped groove.

Technical Field

The invention relates to the technical field of electric power grounding, in particular to a T wiring device for grounding potential live ignition of a power distribution network.

Background

In the electric power system of high pressure state, when newly-built circuit or newly-increased user's transformer need insert electric power network and put into operation electrified, the line device of taking a live wire that electric power distribution lines generally used at present is copper aluminium parallel groove clamp, it is one kind and is applied to 35kV and 10kV and joins in marriage net twine way overlap joint, T connects a equipment that uses, newly-increased all need have a power failure at 10kV newly-built circuit and user and uses parallel groove clamp T and connect and take a fire at present, and the power failure is taken a fire and needs to apply for in advance according to the electric power industry requirement, the longer and plan power failure that need overall planning of application cycle, greatly reduced newly-increased user's convenience of power consumption like this, the power supply reliability of circuit has certainly been reduced in having a power failure.

Disclosure of Invention

The invention aims to provide a distribution network ground potential live sparking T-shaped wiring device to solve the technical problem.

The embodiment of the invention is realized by the following steps: the utility model provides a distribution network earth potential live-wire T termination that takes fire, includes the binding clip main part, decides the clamp splice, moves splint, lifting unit and worm gear subassembly that can insulate, decide the clamp splice set up in the binding clip main part and with move the clamp splice and extend along the horizontal direction, decide the clamp splice with move the clamp splice and set up relatively and form first double-layered line space, decide the clamp splice set up in the binding clip main part and with move the clamp splice and extend along vertical direction, decide the clamp splice with move the clamp splice and set up relatively and form second double-layered line space, first double-layered line space bit in one side of binding clip main part, second double-layered line space bit in the opposite side of binding clip main part, lifting unit connect in move the lower surface of clamp splice, the worm gear subassembly is used for the drive move the clamp splice lift.

The embodiment of the invention has the beneficial effects that: this electrified T termination that takes fire of distribution network ground potential passes through the first double-layered line space that extends along the horizontal direction and the second double-layered line space that extends along vertical direction, can realize that power line's T connects and takes fire, and because the worm gear subassembly can be insulating, therefore, when taking fire, can need not the outage, the T that has realized newly-built or disconnected power line under the circumstances of not having a power failure connects and takes fire, be favorable to guaranteeing the reliability of power supply, power line's overlap joint efficiency has been improved, avoid influencing user's normal life because of the outage. Meanwhile, the power loss caused by power failure can be avoided, and the economic benefit of power supply enterprises can be improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a distribution network ground potential live sparking T-junction device provided in an embodiment of the present invention;

FIG. 2 is a schematic diagram of the structure of FIG. 1 from a first perspective;

FIG. 3 is a schematic diagram of the structure of FIG. 1 from a second perspective;

FIG. 4 is a schematic diagram of the structure of FIG. 1 from a third perspective;

fig. 5 is a partial cross-sectional view of a distribution network ground potential live sparking T-junction device provided by an embodiment of the invention;

fig. 6 is a schematic structural diagram of an insulation rod according to an embodiment of the present invention.

Icon: 1-a jointing clamp body; 2-lower support; 3-a worm; 4-moving the splint; 5-fixing the splint; 6-a worm gear; 7-upper support; 81-fixing the clamping block; 82-a movable clamping block; 9-supporting the shaft; 10-an upper support arm; 11-a lead screw; 12-a lower support arm; 13-a flat washer; 14-a spring washer; 15-countersunk head screw; 16-a nut; 17-a slide block; 18-insulating rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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 to 6, an embodiment of the invention provides a ground potential live sparking T-junction device for a power distribution network, which includes a junction clamp body 1, a fixed clamping block 81, a movable clamping block 82, a fixed clamping plate 5, a movable clamping plate 4, a lifting assembly and a worm and gear assembly capable of insulating, wherein the fixed clamping block 81 is arranged on the junction clamp body 1 and extends horizontally to the movable clamping block 82, the fixed clamping block 81 is arranged above the movable clamping block 82, the fixed clamping block 81 and the movable clamping block 82 are oppositely arranged and form a first wire clamping space, the fixed clamping plate 5 is arranged on the junction clamp body 1 and extends vertically to the movable clamping plate 4, the fixed clamping plate 5 and the movable clamping plate 4 are oppositely arranged and form a second wire clamping space, the fixed clamping plate 5 is arranged on one side of the junction clamp body 1 relative to the first wire clamping space, the second wire clamping space is arranged on the other side of the junction clamp body 1, the lifting assembly is connected to the lower surface of the movable clamping block 82, the worm and gear assembly is used for driving the movable clamping block 82 to lift.

Through the technical scheme, this distribution network ground potential live wire T termination that takes fire is through the first double-layered line space that extends along the horizontal direction and the second double-layered line space that extends along vertical direction, can realize that power line's T connects and takes fire, and because the worm gear subassembly can be insulating, therefore, when taking fire, can need not the outage, the T that has realized newly-built or disconnected power line under the circumstances that does not have a power failure connects and takes fire, be favorable to guaranteeing the reliability of power supply, power line's overlap joint efficiency has been improved, avoid influencing user's normal life because of the outage. Meanwhile, the power loss caused by power failure can be avoided, and the economic benefit of power supply enterprises can be improved.

Referring to fig. 4 and 5, in the present embodiment, the lifting assembly includes a lower bracket 2, an upper bracket 7, a screw 11, two upper support arms 10, two lower support arms 12, four support shafts 9, and two hinge shafts (not shown), wherein the lower bracket 2 and the upper bracket 7 may be configured in a U-shaped structure, the lower bracket 2 is fixedly connected to the terminal main body 1 with an opening of the lower bracket 2 facing upward, the upper bracket 7 is connected to the movable clamping block 82 with an opening of the upper bracket 7 facing downward, the upper bracket 7 is used to support the movable clamping block 82, one ends of the two upper support arms 10 are hinged to the upper bracket 7 by the two support shafts 9, one ends of the two lower support arms 12 are hinged to the lower bracket 2 by the two support shafts 9, the other ends of the two lower support arms 12 are hinged to the other ends of the two upper support arms 10 by the two hinge shafts, the two upper support arms 10 and the two lower support arms 12, lead screw 11 wears to locate two articulated shafts and extends along the horizontal direction, the worm gear subassembly is used for driving lead screw 11 to rotate and makes lead screw 11 along its self axial displacement, can understand, when worm gear subassembly drives lead screw 11 and rotates, lead screw 11's rotation can make two articulated shafts be close to each other, when two articulated shafts are close to each other, contained angle between two last support arms 10 and the contained angle between two lower support arms 12 reduce simultaneously, make whole lifting unit's height rise, can make from this make clamp splice 82 be close to in deciding clamp splice 81, when two articulated shafts keep away from each other, contained angle between two last support arms 10 and the contained angle between two lower support arms 12 increase simultaneously, make whole lifting unit's height descend, from this can make clamp splice 82 keep away from deciding clamp splice 81. In conclusion, the lifting assembly conveniently adjusts the height of the movable clamping block 82, so that the movable clamping block 82 can be close to or far away from the fixed clamping block 81, and in addition, the worm gear assembly is matched with the screw rod 11, so that the locking function of the screw rod 11 can be realized, namely, the screw rod 11 is rotated to enable the movable clamping block 82 to move up and down.

Referring to fig. 2 and fig. 3, further, the wire connecting clamp main body 1 is a U-shaped structure, a fixing block 81 is formed at one end of the wire connecting clamp main body 1, that is, the fixing block 81 can be formed by bending the upper end of the wire connecting clamp main body 1, the other end of the wire connecting clamp main body 1 is constructed to be a supporting end and extends along the horizontal direction, and the lower bracket 2 is fixedly arranged on the upper surface of the supporting end, so that the wire connecting clamp main body 1 can be conveniently manufactured, and the processing difficulty of the wire connecting clamp main body 1 is reduced.

Referring to fig. 4 and 5, the worm and gear assembly includes a worm 3, a worm wheel 6 and an insulating rod 18, the worm 3 rotatably penetrates through the support end and extends in a vertical direction, wherein, in order to support the support end on the worm 3, an internal thread hole can be formed on the support end to be matched with the worm 3, the worm wheel 6 is rotatably disposed on the jointing clamp body 1, the worm wheel 6 is respectively engaged with the worm 3 and the lead screw 11, and the insulating rod 18 is connected to the lower end of the worm 3, therefore, when the insulating rod 18 is rotated, the worm 3 rotates therewith, and further the worm wheel 6 is driven to rotate, when the worm wheel 6 rotates, the lead screw 11 can move and rotate along the axial direction of the lead screw 11, so that the distance between two articulated shafts can be conveniently adjusted. The arrangement of the insulating rod 18 enables workers to ascend without using an insulating vehicle or an insulating operation platform.

In this embodiment, the insulating rod 18 can be clamped with the lower end of the worm 3, so that the distribution network ground potential live sparking T-junction device can be disassembled and assembled.

Referring to fig. 5, in this embodiment, the live-line power grid ground potential fire-striking T-junction device further includes a sliding block 17, a sliding groove extending in the vertical direction is formed in the inner side of the junction clamp main body 1, the movable clamping block 82 is slidably connected to the sliding groove through the sliding block 17, and by arranging the sliding groove and the sliding block 17, the movable clamping block 82 can move up and down in the same vertical direction to position the movable clamping block 82, so that the movable clamping block 82 and the fixed clamping block 81 are ensured to be opposite to each other in the up-down direction to ensure accurate clamping of a lead. Wherein, the spout can be set up to T type groove, and correspondingly, slider 17 also can set up to T type slider 17 for the distance that moves clamp splice 82 and spout keeps unchangeable because slider 17 and spout can mutually support.

Referring to fig. 3, distribution network ground potential live T termination of putting into fire still includes a plurality of fasteners, move splint 4 and connect in solid fixed splint 5 through a plurality of fasteners, and move splint 4 and can be close to or keep away from solid fixed splint 5, have, every fastener includes countersunk screw 15 and two nuts 16, countersunk screw 15 runs through solid fixed splint 5 respectively and moves splint 4, two nuts 16 cover is established on countersunk screw 15 and is set up respectively in the both sides of moving splint 4, through this fastener, can conveniently adjust the distance between solid fixed splint 4 and the solid fixed splint 5, so that the wire can conveniently centre gripping in second clamp line space. Wherein, countersunk screw 15 can be penetrated to the outside from the inside of binding clip main part 1, in other words, the pole of countersunk screw 15 passes binding clip main part 1, fixed splint 5 and movable splint 4 in proper order, and the head of countersunk screw 15 is then located binding clip main part 1 and keeps away from the side of fixed splint 5, and in this case, because fixed splint 5 and movable splint 4 are open to the outside, can conveniently rotate two nuts 16 on countersunk screw 15 to change the distance between movable splint 4 and fixed splint 5, and will move splint 4 and lock on countersunk screw 15. In order to stably fix the movable clamping plate 4 to the fixed clamping plate 5 by the fastener, a flat washer 13 can be arranged between the fixed clamping plate 5 and the jointing clamp body 1, and a spring washer 14 can be arranged between the movable clamping plate 4 and an outer nut 16 (positioned on the side of the movable clamping plate 4 far away from the fixed clamping plate 5).

In this embodiment, move splint 4 and decide splint 5 and seted up relative first arc wall respectively, move clamp splice 82 and decide clamp splice 81 and seted up relative second arc wall respectively, the setting of first arc wall can prevent that the wire from moving along the horizontal plane in first double-layered line space to ensure that first double-layered line space centre gripping wire steadily, the setting of second arc wall can prevent that the wire from moving along vertical face in second double-layered line space, thereby ensure that second double-layered line space centre gripping wire steadily.

Optionally, anti-slip lines are arranged in the first arc-shaped groove and the second arc-shaped groove, and the wire can be more stably fixed in the first wire clamping space and the second wire clamping space by the aid of the anti-slip lines.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.