CN216564388U

CN216564388U - Outdoor low-voltage power line security device

Info

Publication number: CN216564388U
Application number: CN202122520130.6U
Authority: CN
Inventors: 郑毅
Original assignee: Sichuan Yadong Cement Co ltd
Current assignee: Sichuan Yadong Cement Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-05-17
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses an outdoor low-voltage power line security device, and particularly relates to the field of low-voltage power line theft prevention. According to the utility model, through the arrangement of the alarm mechanism, when the wires are stolen and cut off, no voltage difference exists between the two wires, a loop is formed among the power supply, the triode and the alarm, and the alarm sounds.

Description

Outdoor low-voltage power line security protection device

Technical Field

The utility model belongs to the technical field of low-voltage power line anti-theft, and particularly relates to an outdoor low-voltage power line security device.

Background

The power line is a line for transmitting electric energy between a power plant, a substation and a power consumer, is an important component of a power supply system, and is responsible for the tasks of transmitting and distributing electric energy, and the low-voltage power line is a power line with a rated voltage of 1kV or less, and comprises a low-voltage overhead line, a low-voltage overhead insulated line, a low-voltage cable line and an indoor distribution line.

Outdoor low voltage transmission power line, personnel patrol and guard the difficult road greatly, easily take place the stolen cutting of power cable and can not in time discover, lead to having a power failure.

SUMMERY OF THE UTILITY MODEL

The utility model provides an outdoor low-voltage power line security device, and aims to solve the problem that power cables are easy to be cut and stolen and cannot be found in time.

The utility model is realized in such a way, and provides the following technical scheme: an outdoor low-voltage power line security device comprises a box body, wherein two sliding grooves are symmetrically formed in an inner cavity of the box body, two current-conducting plates are symmetrically and slidably connected to the inner cavity of the two sliding grooves together, an insulating plate is connected between the two current-conducting plates together, and an alarm mechanism is arranged at the bottom of the inner cavity of the box body;

the alarm mechanism comprises a power supply, an alarm and a triode, wherein two first connecting wires are mounted on the power supply, one end of one first connecting wire is mounted on the alarm, the other first connecting wire is mounted on the triode, a second connecting wire is commonly mounted between the alarm and the triode, two third connecting wires are mounted on the triode, and one ends, far away from the triode, of the two third connecting wires are respectively mounted at the bottoms of two current-conducting plates;

two all be connected with the arc sword on the current conducting plate, the box inner chamber lateral wall is connected with the fixed plate, run through on the fixed plate and be equipped with two threaded rods and rather than swing joint, two the threaded rod top all is connected with single sheave, set up two screw holes on the insulation board, two the threaded rod runs through two screw hole inner chambers respectively, fixed plate top swing joint has the bull stick, the cover is equipped with double sheave on the bull stick, be equipped with the belt respectively between double sheave and two single sheaves and be connected through its transmission.

In a preferred embodiment, two baffle plates are symmetrically connected to each of the two conductive plates, and the two arc-shaped knives are respectively located between the two adjacent baffle plates.

In a preferred embodiment, two the threaded rod with two the screw hole is bilateral symmetry setting, two the threaded rod bottom all is connected with the stopper.

In a preferred embodiment, the top end of the rotating rod penetrates through the top of the box body and is movably connected with the box body, and the top end of the rotating rod is connected with a hand-operated wheel.

In a preferred embodiment, a protective cover is arranged on the outer side of the hand wheel, and the bottom of the protective cover is hinged with the box body.

In a preferred embodiment, the left side and the right side of the box body are both provided with L-shaped plates, and a plurality of first bolts are mounted on each of the two L-shaped plates.

In a preferred embodiment, two wire holes are symmetrically formed in the left side and the right side of the box body, first connecting blocks are symmetrically connected to the left side and the right side of the box body, second connecting blocks are arranged below the four first connecting blocks, and two second bolts are symmetrically mounted between every two adjacent first connecting blocks and every two adjacent second connecting blocks.

Compared with the prior art, the utility model has the beneficial effects that:

1. through setting up the alarm mechanism, the outer skin of the electric wire is cut open to the arcuate knife, contact with the inner wire, because of the conductive function of the current-conducting plate, the electric wire is connected into the alarm mechanism circuit, when the electric wire steals and is cut off, there is no voltage difference between two electric wires, form the return circuit between alarm, power, triode, alarm, the alarm is sounded, compared with prior art, can remind the staff's electric wire to steal effectively, the result of use is good, the practicability is strong;

2. through setting up first connecting block and second connecting block, twist and move the second bolt, the second bolt drives the second connecting block and removes to fix the electric wire together with first connecting block, compare with prior art, can fix the electric wire effectively, improved the result of use of device, can prevent simultaneously that the rainwater from getting into the inside influence internal circuit of box from the electric wire hole, improved the life of device.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is an enlarged view of the utility model at a in fig. 2.

Fig. 4 is a right side view of the conductive plate of the present invention.

In the figure: 1. a box body; 2. a conductive plate; 3. an insulating plate; 4. a power source; 5. an alarm; 6. a triode; 7. a first connecting wire; 8. a second connecting wire; 9. a third connecting wire; 10. an arc-shaped knife; 11. a baffle plate; 12. a fixing plate; 13. a threaded rod; 14. a single sheave; 15. a rotating rod; 16. a double grooved pulley; 17. a belt; 18. a hand-operated wheel; 19. a protective cover; 20. an L-shaped plate; 21. a first bolt; 22. a first connection block; 23. a second connecting block; 24. and a second bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The outdoor low-voltage power line security device shown in the attached figures 1-4 comprises a box body 1, wherein two sliding chutes are symmetrically formed in an inner cavity of the box body 1, two current-conducting plates 2 are symmetrically and slidably connected to the inner cavities of the two sliding chutes together, an insulating plate 3 is connected between the two current-conducting plates 2 together, and an alarm mechanism is arranged at the bottom of the inner cavity of the box body 1;

the alarm mechanism comprises a power supply 4, an alarm 5 and a triode 6, wherein two first connecting wires 7 are installed on the power supply 4, one end of one first connecting wire 7 is installed on the alarm 5, the other first connecting wire 7 is installed on the triode 6, a second connecting wire 8 is installed between the alarm 5 and the triode 6, two third connecting wires 9 are installed on the triode 6, and one ends, far away from the triode 6, of the two third connecting wires 9 are respectively installed at the bottoms of two current-conducting plates 2;

all be connected with arc sword 10 on two current conducting

plates

2, 1 inner chamber lateral wall of box is connected with fixed plate 12, run through on the fixed plate 12 and be equipped with two threaded rods 13 and rather than swing joint, two threaded rod 13 tops all are connected with single sheave 14, two screw holes have been seted up on the insulation board 3, two threaded rods 13 run through two screw hole inner chambers respectively, fixed plate 12 top swing joint has bull stick 15, the cover is equipped with double sheave 16 on the bull stick 15, be equipped with belt 17 respectively between double sheave 16 and two single sheave 14 and be connected through its transmission.

As shown in fig. 4, two baffle plates 11 are symmetrically connected to the two conductive plates 2, and the two arc-shaped knives 10 are respectively located between the two adjacent baffle plates 11, so that the electric wire can pass through the box body 1 conveniently.

As shown in fig. 2, two threaded rods 13 and two threaded holes are bilateral symmetry and set up, and two threaded rods 13 bottom all are connected with the stopper, prevent that insulation board 3 breaks away from when descending.

As shown in the attached figure 3, the top end of the rotating rod 15 penetrates through the top of the box body 1 and is movably connected with the box body, and the top end of the rotating rod 15 is connected with a hand-operated wheel 18, so that the rotating rod 15 can be conveniently rotated.

As shown in fig. 3, a protecting cover 19 is provided on the outer side of the hand wheel 18, and the bottom of the protecting cover 19 is hinged to the box body 1 to prevent rainwater from entering the box body 1.

As shown in the attached drawing 2, L-shaped plates 20 are arranged on the left side and the right side of the box body 1, and a plurality of first bolts 21 are arranged on the two L-shaped plates 20, so that the box body 1 can be conveniently installed at a proper position.

As shown in figure 1, two wire holes have been seted up to the equal symmetry in the box 1 left and right sides, the equal symmetric connection in the box 1 left and right sides has first connecting block 22, four first connecting block 22 below all are equipped with second connecting block 23, all common symmetry is installed between per two adjacent first connecting block 22 and the second connecting block 23 two second bolts 24, and the convenience is fixed the electric wire, prevents simultaneously that the rainwater from getting into inside the box 1 from the wire hole.

The working principle of the utility model is as follows: when the utility model is used, firstly, the box body 1 is arranged at a proper position through the first bolt 21 and the L-shaped plate 20, two wires respectively pass through the wire hole, the second bolt 24 is screwed, the second bolt 24 drives the second connecting block 23 to move, so that the wires are fixed together with the first connecting block 22, simultaneously, rainwater is prevented from entering the box body 1 from the wire hole, the protective cover 19 is opened by rotating, the hand-operated wheel 18 is rotated, the hand-operated wheel 18 drives the rotating rod 15 to rotate, the rotating rod 15 drives the double grooved pulley 16 to rotate, the double grooved pulley 16 drives the two single grooved pulleys 14 to rotate through the two belts 17, the two single grooved pulleys 14 drive the two threaded rods 13 to rotate, the two threaded rods 13 drive the two conductive plates 2 and the insulation plate 3 to slide upwards in the sliding groove under the action of the threaded holes, so as to drive the arc-shaped knife 10 to cut the outer skin of the wires to be contacted with the metal wires inside, and due to the conductive action of the arc-shaped knife 10 and the conductive plates 2, the electric wire is inserted into the circuit of the alarm mechanism, when the electric wire is stolen and cut off, no voltage difference exists between the two electric wires, a loop is formed between the power supply 4, the triode 6 and the alarm 5, and the alarm 5 rings, so that the electric wire is reminded of being stolen for workers, the using effect is good, and the practicability is high.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an outdoor low pressure power line security protection device, includes the box, its characterized in that: the box body cavity is symmetrically provided with two sliding chutes, the two sliding chute cavities are symmetrically and slidably connected with two current conducting plates together, an insulating plate is connected between the two current conducting plates together, and the bottom of the box body cavity is provided with an alarm mechanism;

2. The outdoor low-voltage power line security device of claim 1, wherein: two equal symmetric connection has two baffles on the current conducting plate, and two the arc sword is located respectively between two adjacent baffles.

3. The outdoor low-voltage power line security device of claim 1, wherein: two the threaded rod is with two the screw hole is bilateral symmetry setting, two the threaded rod bottom all is connected with the stopper.

4. The outdoor low-voltage power line security device of claim 1, wherein: the top end of the rotating rod penetrates through the top of the box body and is movably connected with the box body, and the top end of the rotating rod is connected with a hand-operated wheel.

5. The outdoor low voltage power line security device of claim 4, wherein: the hand rocking wheel outside is equipped with the protective cover, protective cover bottom and box are articulated.

6. The outdoor low-voltage power line security device of claim 1, wherein: the box left and right sides all is equipped with the L template, two all install a plurality of first bolts on the L template.

7. The outdoor low-voltage power line security device of claim 1, wherein: two wire holes have been seted up to the equal symmetry of box left and right sides, the equal symmetric connection in box left and right sides has first connecting block, four first connecting block below all is equipped with the second connecting block, and every two are adjacent all common symmetric installation has two second bolts between first connecting block and the second connecting block.