A trench splicer capable of live operation and its operation method

Abstract

The present invention discloses a parallel trench splicer capable of live operation and an operation method thereof, which comprises an upper wire clamp and a lower wire clamp, which are connected by bolts, the upper wire clamp being located in a square hole on a positioning plate, a limit plate being provided at the top of the bolt, the positioning plate and the limit plate being fixedly connected to the side wall of a sleeve, a screw being provided in the sleeve, the top of the screw being fixedly connected to an end plate, a screw sleeve being provided on the screw, the bottom of the screw being connected to an insulating rod by a screw, symmetrical support plates being fixedly connected at both ends of the screw sleeve, a groove being provided at the top of the support plate, and a drainage line being located in the groove and the wire clamp. By fixing the wire clamp in the positioning plate, designing a support plate that can move up and down below the positioning plate to clamp the drainage line, and then hanging the wire clamp on the overhead wire, and then tightening the wire clamp with a nut sleeve, the splicer can be removed, and the tool can be used to conveniently and quickly carry out live parallel trench splicing operations without the need for power outages, and the device is simple in structure, light in weight, and easy to carry.

Description

Technical Field

[0001] The invention relates to a parallel groove splicer, in particular to a parallel groove splicer capable of live operation and an operation method thereof, belonging to the technical field of electrical equipment maintenance operation. Background Art

[0002] As people's demand for electricity for a better life increases, the business environment needs to be improved urgently, which puts forward higher requirements for power supply reliability. In order to improve power supply reliability, vigorously carrying out live-line work is a method widely adopted by power supply companies. Due to the adoption of live-line work, the number of households affected by power outages has been greatly reduced, and people's satisfaction with electricity consumption has been improved. In live-line work, a large number of conductors need to be connected in trenches and live-line splicing, so it is of great significance to improve the benefits and efficiency of conductor connection and live-line splicing.

[0003] Live-line workers are eager to find a simple, convenient and fast live-line conductor parallel groove splicer to greatly reduce labor intensity and improve work efficiency. At the same time, they also hope that the splicer can handle the splicing of conductors of various wire diameters.

[0004] The trench splicer is an important tool for high-voltage live working and is the most commonly used working tool for live working personnel. However, the existing splicers are of various types and models, and are inconvenient to use, bulky, and cannot handle different wire diameters. Therefore, the splicing quality is not high and workers are reluctant to use them. In addition, the existing splicers are complex in structure and high in cost, making them inconvenient to popularize. Summary of the invention

[0005] The technical problem to be solved by the present invention is: to provide a parallel trench splicer that can be used for live trench operations and an operating method thereof, by fixing the wire clamp in a positioning plate, designing a support plate that can move up and down below the positioning plate to clamp the drainage line, and then hanging the wire clamp on the overhead wire, and then tightening the wire clamp with a nut sleeve, the splicer can be removed. The tool can be used to conveniently and quickly carry out live trench splicing operations without the need for power outages. In addition, the device has a simple structure, is light in weight, and is easy to carry, which effectively solves the above-mentioned problems.

[0006] The technical solution of the present invention is: a parallel groove jointer capable of live operation, comprising an upper wire clamp and a lower wire clamp, the upper wire clamp and the lower wire clamp are connected by bolts, the upper wire clamp is located in a square hole on a positioning plate, a limit plate is provided on the top of the bolt, the positioning plate and the limit plate are fixedly connected to the side wall of a sleeve, a screw rod is provided in the sleeve, the top end of the screw rod is fixedly connected to an end plate, a screw sleeve is provided on the screw rod, the bottom end of the screw rod is connected to an insulating rod by a screw, symmetrical support plates are fixedly connected at both ends of the screw sleeve, a groove is provided on the top end of the support plate, and the drainage line is located in the groove and the wire clamp.

[0007] A locking nut is arranged on the screw, and the bottom end of the screw is connected to the insulating rod.

[0008] A spring 1 is hinged above the end plate, and the other end of the spring 1 is connected with a V-shaped hook 1, which is hooked on the bottom outer edge of the upper wire clamp.

[0009] A second spring is arranged on the side wall of the screw sleeve, and the other end of the second spring is connected with a second V-shaped hook, which is hooked on the top outer edge of the lower wire clamp.

[0010] An operating method of a live trench splicer, the method steps comprising:

[0011] 1. Peel off the insulation skin at the end of the drain wire and insert it into the groove between the upper wire clamp and the lower wire clamp. At this time, the bolt is loosely connected;

[0012] 2. Insert the upper wire clamp into the square hole on the positioning plate;

[0013] 3. Connect and fix the insulating rod with the locking nut and the screw rod;

[0014] Fourth, rotate the screw to drive the screw sleeve and the support plate to move upward, and clamp the groove on the support plate under the drainage line;

[0015] 5. Hook the V-shaped hook 1 on the outer edge of the upper wire clamp, and hook the V-shaped hook 2 on the outer edge of the lower wire clamp, ensuring that the outer gap between the upper wire clamp and the lower wire clamp is larger than the diameter of the overhead wire to be spliced;

[0016] 6. Two people climb the tower to work. One person holds the device with the drainage wire through the insulating rod, hangs the device on the overhead wire to be connected and holds it tightly. The other person holds the insulating rod with the nut sleeve, first pulls the V-shaped hook 1 and V-shaped hook 2 off the upper wire clamp and the lower wire clamp respectively, and then tightens the nuts of the bolts with the nut sleeve;

[0017] 7. By rotating the screw in the opposite direction, the screw sleeve and the support plate move downward, the wire clamp and the drainage wire are fixed on the overhead conductor, the positioning plate can be removed from the upper wire clamp, and the live splicing operation is completed.

[0018] The beneficial effects of the present invention are as follows: compared with the prior art, the technical solution of the present invention is adopted, by fixing the wire clamp in the positioning plate, designing a support plate that can move up and down below the positioning plate to clamp the drainage line, and then hanging the wire clamp on the overhead wire, and then tightening the wire clamp with a nut sleeve, the lap joint can be removed, and the tool can be used to conveniently and quickly carry out live trench lap joint operations without the need for power outages. In addition, the device has a simple structure, light weight, and is easy to carry. The lap joint principle is simple, the reliability is high, and the lap joint quality is guaranteed. The lap joint is small in size, easy to use, fast, and saves manpower and time. In general, the working time is saved by 50% compared with the traditional lap joint method, and the lap joint can be carried out for conductors of different wire diameters. It has a wide range of applications and has achieved good results. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the present invention;

[0020] Figure 2 It is a side view of the present invention. DETAILED DESCRIPTION

[0021] In order to make the objectives, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings of this specification.

[0022] Embodiment 1: As attached Figures 1-2 As shown, a parallel groove jointer capable of live operation comprises an upper wire clamp 11 and a lower wire clamp 16, which are connected by a bolt 4, the upper wire clamp 11 is located in a square hole 6 on a positioning plate 12, a limit plate 7 is provided on the top of the bolt 4, the positioning plate 12 and the limit plate 7 are fixedly connected to the side wall of a sleeve 10, a screw rod 18 is provided in the sleeve 10, the top of the screw rod 18 is fixedly connected to an end plate 8, a screw sleeve 2 is provided on the screw rod 18, the bottom end of the screw rod 18 is connected to an insulating rod by a screw 19, symmetrical support plates 3 are fixedly connected at both ends of the screw sleeve 2, a groove 20 is provided on the top of the support plate 3, and a drainage line 5 is located in the groove 20 and the wire clamp.

[0023] Furthermore, a locking nut 1 is provided on the screw 19, and the bottom end of the screw 19 is connected to the insulating rod. The safety of the operator can be guaranteed during live working, and when the insulating rod is rotated forward and reverse, it can also be used without loosening.

[0024] Furthermore, a spring 9 is hinged on the top of the end plate 8, and the other end of the spring 9 is connected to a V-shaped hook 15, which is hooked on the bottom outer edge of the upper wire clamp 11. By hooking the upper wire clamp 11 with the V-shaped hook 15, on the one hand, the upper wire clamp 11 can be ensured to be located in the square hole 6 on the positioning plate 12, and on the other hand, the openings of the upper wire clamp 11 and the lower wire clamp 16 can be ensured to be in an open state, so as to be conveniently hung on the overhead wire 13.

[0025] Furthermore, a spring 2 17 is provided on the side wall of the screw sleeve 2, and the other end of the spring 2 17 is connected to a V-shaped hook 2 14, which is hooked on the top outer edge of the lower wire clamp 16. When not hung on the overhead wire 13, the lower wire clamp 16 is hooked by the V-shaped hook 2 14, so that the opening of the lower wire clamp 16 and the upper wire clamp 11 is in an open state, which is convenient for hanging on the overhead wire 13.

[0026] An operating method of a live trench splicer, the method steps comprising:

[0027] 1. Peel off the insulation skin at the end of the drain wire 5 and insert it into the groove between the upper wire clamp 11 and the lower wire clamp 16. At this time, the bolt 4 is connected with a loose sleeve;

[0028] 2. Insert the upper wire clamp 11 into the square hole 6 on the positioning plate 12;

[0029] 3. Connect and fix the insulating rod with the locking nut 1 and the screw rod 18;

[0030] Fourth, the screw 18 is rotated to drive the screw sleeve 2 and the support plate 3 to move upward, and the groove 20 on the support plate 3 is clamped under the drainage line 5;

[0031] 5. Hook the V-shaped hook 15 onto the outer edge of the upper wire clamp 11, and hook the V-shaped hook 2 14 onto the outer edge of the lower wire clamp 16, ensuring that the outer clearance between the upper wire clamp 11 and the lower wire clamp 16 is larger than the diameter of the overhead wire 13 to be spliced;

[0032] Sixth, two people climb the tower to work, one person holds the device with the drainage wire 5 through the insulating rod, hangs the device on the overhead wire 13 to be connected and holds it tightly, and the other person holds the insulating rod with the nut sleeve, first pulls the V-shaped hook 15 and the V-shaped hook 2 14 off the upper wire clamp 11 and the lower wire clamp 16 respectively, and then tightens the nut matching the bolt 4 with the nut sleeve;

[0033] 7. By rotating the screw rod 18 in the opposite direction, the screw sleeve 2 and the support plate 3 move downward, the wire clamp and the drain wire 5 are fixed on the overhead conductor 13, and the positioning plate 12 can be removed from the upper wire clamp 11, and the live lap joint operation is completed.

[0034] It should be emphasized that except for the metal conductive parts, the insulating rod materials are all high-strength insulating rods made of epoxy resin, and the insulation performance must be absolutely guaranteed. During the storage process, it must be stored as an insulating tool to ensure its insulation performance. At the same time, it should be inspected before and during use in accordance with the "Requirements of Line Safety Regulations".

[0035] The parts not described in detail in the present invention are all known technologies to those skilled in the art. Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solutions of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A method for operating a trench splicer capable of live operation, the trench splicer comprising an upper wire clamp (11) and a lower wire clamp (16), the upper wire clamp (11) and the lower wire clamp (16) being connected by bolts (4), characterized in that: The upper wire clamp (11) is located in the square hole (6) on the positioning plate (12), the top of the bolt (4) is provided with a limit plate (7), the positioning plate (12) and the limit plate (7) are fixedly connected to the side wall of the sleeve (10), the sleeve (10) is provided with a screw (18), the top of the screw (18) is fixedly connected to the end plate (8), the screw (18) is provided with a screw sleeve (2), the bottom of the screw (18) is connected to the insulating rod by a screw (19), the two ends of the screw sleeve (2) are fixedly connected to symmetrical support plates (3), the top of the support plate (3) is provided with a groove (20), and the drainage The wire (5) is located in the groove (20) and the wire clamp; a locking nut (1) is provided on the screw (19), and the bottom end of the screw (19) is connected to an insulating rod; a spring (9) is hinged on the top of the end plate (8), and the other end of the spring (9) is connected to a V-shaped hook (15), and the V-shaped hook (15) is hooked on the bottom outer edge of the upper wire clamp (11); a spring (17) is provided on the side wall of the screw sleeve (2), and the other end of the spring (17) is connected to a V-shaped hook (14), and the V-shaped hook (14) is hooked on the top outer edge of the lower wire clamp (16); The method steps are:

1. Remove the insulation from the end of the drain wire (5) and insert it into the groove between the upper wire clamp (11) and the lower wire clamp (16). Then, the bolt (4) is connected with a loop.

2. Insert the upper wire clamp (11) into the square hole (6) on the positioning plate (12); 3. Connect and secure the insulating rod with the locking nut (1) and the screw rod (18); Fourth, the screw rod (18) is rotated to drive the screw sleeve (2) and the support plate (3) to move upward, so that the groove (20) on the support plate (3) is clamped under the drainage line (5); 5. Hook the V-shaped hook 1 (15) onto the outer edge of the upper wire clamp (11), and hook the V-shaped hook 2 (14) onto the outer edge of the lower wire clamp (16), ensuring that the outer clearance between the upper wire clamp (11) and the lower wire clamp (16) is larger than the diameter of the overhead wire (13) to be spliced; 6. Two persons climb the pole tower for operation. One person holds the device with the drain wire (5) through the insulating rod, hangs the device on the overhead wire (13) to be connected and holds it tightly. The other person holds the insulating rod with the nut sleeve, first pulls the V-shaped hook 1 (15) and the V-shaped hook 2 (14) off the upper wire clamp (11) and the lower wire clamp (16) respectively, and then tightens the nut of the bolt (4) with the nut sleeve; 7. By rotating the screw rod (18) in the opposite direction, the screw sleeve (2) and the support plate (3) move downward, the wire clamp and the drain wire (5) are fixed on the overhead wire (13), and the positioning plate (12) can be removed from the upper wire clamp (11), and the live bonding operation is completed.

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