Overhead cable breakdown point locator with bare bearing line and construction method

Abstract

The invention discloses an overhead cable breakdown point positioning instrument with bare bearing wires and a construction method, the positioning instrument comprises a lower box body, an upper box body and a connecting plate, the upper box body is arranged above the lower box body, arc-shaped grooves are formed in the two ends of the lower box body and the two ends of the upper box body respectively, a lower groove plate is arranged between the inner walls of the lower box body, and the lower groove plate is connected with the lower box body. The upper portion of the lower groove plate is connected with an upper groove plate through bolts, a monitoring unit is arranged below the lower groove plate, first positioning ropes are arranged on the two sides of the lower groove plate respectively, the first positioning ropes are wound around cables, and the ends of the first positioning ropes penetrate through the side walls of the lower box body and are fixed to supporting columns outside the lower box body. The spring is arranged on the displacement rod behind the arc-shaped plate, so that the arc-shaped plate and the cable can be clamped together; the first positioning rope and the second positioning rope are arranged on the cable, so that the condition of sliding displacement of the equipment is avoided, a worker can conveniently install the monitoring equipment, the stability of the equipment is ensured, the use is convenient, and the operation is simple.

Description

Technical Field

[0001] The invention relates to a cable fault monitoring device, in particular to an overhead cable breakdown point locator with a bare carrier wire and a construction method, belonging to the technical field of monitoring. Background Art

[0002] Electricity is the most important energy source in cities. There are many ways to transmit electricity. The most common one is the overhead transmission line. The overhead transmission line is to install metal cables on poles for transmission. The cables are exposed outdoors for a long time and are easily affected by climate disasters, bird damage, tree damage, and illegal operations, which can lead to line failures. In order to understand the type of fault and the location of the fault point, the staff will install fault monitoring devices on the transmission line. However, due to the different power transmission standards of the lines, there are differences in the diameters of the transmission cables. Therefore, during the equipment installation process, some components cannot fit tightly with the transmission cables, resulting in unstable equipment installation, affecting the normal use of the equipment. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide an overhead cable breakdown point locator with a bare load-bearing wire and a construction method so that the cable and the equipment are in close contact with each other to ensure the stability of the equipment installation.

[0004] The technical solution adopted by the present invention to solve the technical problem is: A breakdown point locator for an overhead cable with a bare load-bearing wire comprises a lower box, an upper box and a connecting plate, wherein an upper box is arranged above the lower box, arc-shaped grooves are respectively arranged at both ends of the lower box and the upper box, a lower groove plate is arranged between the inner walls of the lower box, an upper groove plate is connected to the upper groove plate by bolts above the lower groove plate, a monitoring unit is arranged below the lower groove plate, first positioning ropes are respectively arranged on both sides of the lower groove plate, the first positioning ropes are wound around the cable, and ends of the first positioning ropes pass through the side walls of the lower box and are fixed to pillars outside the lower box.

[0005] The two side walls of the lower box body are correspondingly provided with through holes for the first positioning rope to pass through, and the outer wall of the lower box body is provided with a support column, and the support column is located below the through holes.

[0006] The outer walls at both ends of the lower box body and the upper box body are respectively provided with connecting plates, which are fixed by bolts.

[0007] Displacement rods are respectively passed through the lower slot plate and the upper slot plate, an arc-shaped plate is arranged at the inner end of the displacement rod, and a spring is arranged on the displacement rod above the arc-shaped plate.

[0008] The spring is located inside the lower slot plate and the upper slot plate.

[0009] A plug board is arranged at the bottom of the lower box body, and two ends of the plug board extend out of the lower box body, and a positioning component is arranged between the end of the plug board and the cable.

[0010] A second positioning rope is wound around the cable above the end of the plugboard, a stud is arranged at the end of the second positioning rope, the stud passes through the end of the plugboard, and a matching nut is screwed on the stud below the plugboard.

[0011] The construction method of the overhead cable breakdown point locator with a bare load-bearing wire comprises the following steps: S1. The staff climbs to the overhead cable and winds two second positioning ropes around the overhead cable according to the length of the plug board; S2. Pass the stud at the lower end of the second positioning rope through the end of the plug plate, and screw a matching nut on the stud below the plug plate to fix the lower box on the overhead cable. At this time, the cable is located in the lower slot plate; S3. Install the upper slot plate above the cable and fix it with bolts; at the same time, adjust the nut under the second positioning rope to tighten the second positioning rope; S4, wrap the first positioning rope around the cables on both sides of the upper trough plate and the lower trough plate respectively, tighten both ends of the first positioning rope, and pass the ends of the first positioning rope through the holes on the side wall of the lower box body to be fixedly connected to the pillars; S5. Install the upper box body on the upper part of the lower box body and fix it with bolts; S6. Adjust the nut below the second positioning rope outside the box again to put the second positioning rope in a taut state.

[0012] The cable is clamped and fixed between the upper slot plate and the lower slot plate under the action of the spring.

[0013] The positive beneficial effects of the present invention are: 1. The present invention arranges displacement rods and arc plates inside the upper slot plate and the lower slot plate, and arranges a spring on the displacement rod behind the arc plate. When in use, under the action of the spring, the arc plate can be clamped together with the cable to ensure the stability of the equipment.

[0014] 2. The present invention provides a first positioning rope on both sides of the upper trough plate and the lower trough plate, and passes the first positioning rope through the lower box body and connects it with the support, so that the cables are tightened and fixed together by the first pull rope, thereby preventing the equipment from sliding and displacing.

[0015] 3. The present invention sets a second pull rope between the plug plate and the cable. Under the action of the nut, the second pull rope can be in a taut state. Combined with the use of the first pull rope, it is convenient for workers to install the monitoring equipment. It is easy to use and simple to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 This is a diagram showing the use status of the upper slot plate and the lower slot plate of the present invention; Figure 3 It is a structural schematic diagram of the upper trough plate and the lower trough plate of the present invention; Figure 4 This is a diagram showing the use state of the first positioning rope of the present invention; Figure 5 It is a schematic diagram of the structure of the displacement rod and the arc plate of the present invention; Wherein: 1-lower box, 2-upper box, 3-arc groove, 4-lower groove plate, 5-upper groove plate, 601-displacement rod, 602-arc plate, 603-spring, 7-through hole, 8-pillar, 9-first positioning rope, 10-connecting plate, 11-plug plate, 12-second positioning rope, 13-stud, 14-nut, A-cable. DETAILED DESCRIPTION

[0017] The present invention will be further explained and illustrated below in conjunction with the accompanying drawings: Example 1, see Figure 1-Figure 5 A breakdown point locator for an overhead cable with a bare load-bearing wire comprises a lower box body 1, an upper box body 2 and a connecting plate 10, wherein the upper box body 2 is arranged above the lower box body 1, arc grooves 3 are respectively arranged at both ends of the lower box body 1 and the upper box body 2, a lower slot plate 4 is arranged between the inner walls of the lower box body 1, an upper slot plate 5 is connected to the upper part of the lower slot plate 4 by bolts, a monitoring unit is arranged below the lower slot plate 4, and first positioning ropes 9 are respectively arranged on both sides of the lower slot plate 4, the first positioning ropes 9 are wound around the cable A, and the ends of the first positioning ropes 9 pass through the side walls of the lower box body 1 and are fixed to the pillars 8 outside the lower box body 1.

[0018] Through holes are correspondingly dug on both side walls of the lower box body 1 for the first positioning rope 9 to pass through, and a support 8 is arranged on the outer wall of the lower box body 1, and the support 8 is located below the through holes.

[0019] Connecting plates 10 are respectively provided on the outer walls at both ends of the lower box body 1 and the upper box body 2 and fixed by bolts.

[0020] A displacement rod 601 is passed through the lower groove plate 4 and the upper groove plate 5 respectively. An arc plate 602 is arranged at the inner end of the displacement rod 601 , and a spring 603 is arranged on the displacement rod 601 above the arc plate 602 .

[0021] The spring 603 is located inside the lower slot plate 4 and the upper slot plate 5 .

[0022] A plug board 11 is arranged at the bottom of the lower box body 1 , and both ends of the plug board 11 extend out of the lower box body 1 . A positioning component is arranged between the end of the plug board 11 and the cable A.

[0023] The positioning assembly consists of a second pull rope 12, a stud 13 and a nut 14. The second positioning rope 12 is wound around the cable A above the end of the plug plate 11, and a stud 13 is provided at the end of the second positioning rope 12. The stud 13 passes through the end of the plug plate 11, and a matching nut is screwed on the stud 13 below the plug plate 11.

[0024] In the above description, two displacement rods are respectively provided on the upper slot plate and the lower slot plate, a limiting handle is provided at the outer end of the displacement rod, and an arc plate is provided at the inner end of the displacement rod, and the curvature of the arc plate satisfies: it can be tightly attached to the outer wall of the cable.

[0025] In the above description, the through holes on the outer walls on both sides of the lower box body meet the requirement of being able to allow the first positioning rope to pass through.

[0026] In the above description, the arc-shaped grooves at both ends of the upper box body and the lower box body form a circular through hole, and the size of the circular through hole satisfies: the cable can pass through the circular through hole.

[0027] In the above description, the connecting plates on the upper box body and the lower box body are connected together by bolts, so that the upper box body and the lower box body are fixedly connected together.

[0028] Embodiment 2, the construction method of the above-mentioned overhead cable breakdown point locator with bare load-bearing wire comprises the following steps: S1. The staff climbs to the overhead cable and winds two second positioning ropes 12 around the overhead cable according to the length of the plug board 11; S2, pass the stud 13 at the lower end of the second positioning rope 12 through the end of the plug plate 11, and screw a matching nut on the stud 13 below the plug plate 11 to fix the lower box on the overhead cable. At this time, the cable A is located in the lower slot plate 4; S3. Install the upper slot plate 5 above the cable A and fix it with bolts; at the same time, adjust the nut below the second positioning rope 12 to tighten the second positioning rope 12; S4, wrap the first positioning rope 9 around the cables A on both sides of the upper trough plate 5 and the lower trough plate 4 respectively, tighten both ends of the first positioning rope 9, and pass the ends of the first positioning rope 9 through the holes on the side wall of the lower box body 1 to be fixedly connected to the pillars 8; S5, installing the upper box body 2 on the upper side of the lower box body 1 and fixing it with bolts; S6. Adjust the nut 14 below the second positioning rope 12 outside the box again to put the second positioning rope 12 in a tensioned state.

[0029] The cable A is clamped and fixed between the upper slot plate 5 and the lower slot plate 4 under the action of the spring 603 .

[0030] The present invention arranges a displacement rod and an arc plate inside the upper trough plate and the lower trough plate, and arranges a spring on the displacement rod behind the arc plate. When in use, under the action of the spring, the arc plate can be clamped together with the cable; by arranging a first positioning rope and a second positioning rope on the cable, the cable is tightened and fixed together by the pull rope, avoiding sliding displacement of the equipment, ensuring the stability of the equipment, facilitating the staff to install the monitoring equipment, and being easy to use and simple to operate.

Claims

1. An overhead cable breakdown point locator with a bare load-bearing wire, comprising a lower box (1), an upper box (2) and a connecting plate (10), characterized in that: An upper box body (2) is arranged above the lower box body (1), and arc-shaped grooves (3) are respectively arranged at both ends of the lower box body (1) and the upper box body (2). A lower groove plate (4) is arranged between the inner walls of the lower box body (1), and an upper groove plate (5) is connected to the upper side of the lower groove plate (4) by bolts. A monitoring unit is arranged below the lower groove plate (4), and first positioning ropes (9) are respectively arranged on both sides of the lower groove plate (4). The first positioning ropes (9) are wound around the cable (A), and the ends of the first positioning ropes (9) pass through the side walls of the lower box body (1) and are fixed to pillars (8) outside the lower box body (1).

2. The overhead cable breakdown point locator with bare carrier wire according to claim 1, characterized in that: The two side walls of the lower box body (1) are correspondingly provided with through holes for the first positioning rope (9) to pass through, and the outer wall of the lower box body (1) is provided with a support (8), and the support (8) is located below the through holes.

3. The overhead cable breakdown point locator with bare carrier wire according to claim 1, characterized in that: The outer walls at both ends of the lower box body (1) and the upper box body (2) are respectively provided with connecting plates (10) and fixed by bolts.

4. The overhead cable breakdown point locator with bare carrier wire according to claim 1, characterized in that: A displacement rod (601) is respectively passed through the lower groove plate (4) and the upper groove plate (5), an arc-shaped plate (602) is provided at the inner end of the displacement rod (601), and a spring (603) is provided on the displacement rod (601) above the arc-shaped plate (602).

5. The overhead cable breakdown point locator with bare carrier wire according to claim 4, characterized in that: The spring (603) is located inside the lower slot plate (4) and the upper slot plate (5).

6. The overhead cable breakdown point locator with bare carrier wire according to claim 1, characterized in that: A plug plate (11) is provided at the bottom of the lower box (1), and both ends of the plug plate (11) extend out of the lower box (1), and a positioning component is provided between the end of the plug plate (11) and the cable (A).

7. The overhead cable breakdown point locator with bare carrier wire according to claim 6, characterized in that: The positioning assembly is composed of a plug plate (11) and a second positioning rope (12); the second positioning rope (12) is wound around a cable (A) above the end of the plug plate (11); a stud (13) is provided at the end of the second positioning rope (12); the stud (13) passes through the end of the plug plate (11); and a matching nut is screwed onto the stud (13) below the plug plate (11).

8. The construction method of the overhead cable breakdown point locator with bare load-bearing wire according to any one of claims 1 to 7, characterized in that: The steps include: S1. A worker climbs to the overhead cable and winds two second positioning ropes (12) around the overhead cable according to the length of the plug plate (11); S2, passing the stud (13) at the lower end of the second positioning rope (12) through the end of the plug plate (11), and screwing a matching nut on the stud (13) below the plug plate (11) to fix the lower box on the overhead cable. At this time, the cable (A) is located in the lower slot plate (4); S3. Install the upper slot plate (5) above the cable (A) and fix it with bolts; at the same time, adjust the nut below the second positioning rope (12) so that the second positioning rope (12) is tightened; S4, respectively wrapping the first positioning rope (9) around the cables (A) on both sides of the upper slot plate (5) and the lower slot plate (4), tightening both ends of the first positioning rope (9), and passing the ends of the first positioning rope (9) through the holes on the side wall of the lower box body (1) to be fixedly connected to the pillars (8); S5. Install the upper box body (2) on the upper side of the lower box body (1) and secure it with bolts; S6. Adjust the nut (14) below the second positioning rope (12) outside the box again to put the second positioning rope (12) in a taut state.

9. The construction method of the overhead cable breakdown point locator with bare load-bearing wire according to claim 8, characterized in that: The cable (A) is clamped and fixed between the upper slot plate (5) and the lower slot plate (4) under the action of the spring (603).

Images