Distribution network line loss abnormity positioning device

Abstract

The invention relates to the technical field of power grid detection, in particular to a distribution network line loss abnormity positioning device which comprises a main frame body and an outer cylinder, a base is welded to the bottom of the main frame body, an annular slope groove, a first inserting groove and a second inserting groove are formed in the bottom of the base, and two symmetrical supporting rods are slidably arranged at the top of the main frame body; mounting frames are welded to the tops of the two supporting rods correspondingly, auxiliary pulleys are rotationally connected to the side walls of the two mounting frames correspondingly, springs I are wound around the peripheral walls of the two supporting rods correspondingly, the two springs I are connected between the bottoms of the corresponding mounting frames and the top of the main frame body correspondingly, and a frame body is welded between the bottoms of the two supporting rods; the frame body is arranged between the two sides of the base in a sliding mode, due to the fact that the balls are arranged on the top of the push rod in a rolling mode, when the balls abut against the cavity wall of the annular inclined face groove, a worker only needs to continue to upwards push the push rod, and the arranged balls can guide the outer barrel to be inserted into the first inserting groove along the inclined face of the annular inclined face groove.

Description

Technical Field

[0001] The present invention relates to the technical field of power grid detection, and in particular to a distribution network line loss abnormality positioning device. Background Art

[0002] The distribution network line loss abnormal location device is an important tool in the power system, which aims to improve the reliability and safety of power supply. In the power distribution system, line loss is a common and important problem. It not only affects the efficiency of the power system, but also may pose a threat to the stable operation of the power grid. The distribution network line loss abnormal location device is based on advanced sensing technology and data processing technology, and uses high-precision sensors to monitor the current, voltage and other key parameters of the line in real time. These sensors can be installed on the distribution box or line to monitor the operating status of the line in real time. The device is equipped with a complex data processing algorithm, which can quickly analyze and process the collected data, so as to accurately determine whether there is abnormal loss in the line and locate the specific location where the loss occurs. During the operation of the current distribution network loss abnormal location device, especially when testing high-altitude cables, the operator is required to be equipped with climbing equipment and install the instrument for loss analysis on the target cable. After the test is completed, the operator needs to remove the device. Since each cable section usually needs to test multiple nodes, the operator needs to climb for each test. This practice not only increases the risk of injury to the staff, but also increases the physical burden and is relatively inefficient. Summary of the invention

[0003] The purpose of the present invention is to solve the problems in the background technology and to propose a distribution network line loss abnormality locating device.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a distribution network line loss abnormal positioning device, including a main frame and an outer cylinder, a base is welded at the bottom of the main frame, an annular bevel groove, a slot one and a slot two are opened at the bottom of the base, two symmetrical support rods are slidably arranged on the top of the main frame, mounting frames are welded on the tops of the two support rods, auxiliary pulleys are rotatably connected to the side walls of the two mounting frames, springs one are wound around the outer peripheral walls of the two support rods, and the two springs one are respectively connected between the bottom of the corresponding mounting frame and the top of the main frame, a frame is welded between the bottoms of the two support rods, and the frame is slidably arranged between the two sides of the base, and the inner cavity of the frame slides Two symmetrical abutment rods are dynamically arranged, and springs 2 are wound on the outer circumferential walls of the cylindrical sections of the two abutment rods, and the two springs 2 are respectively connected between the corresponding side walls of the abutment rods and the side walls of the frame body. A threaded rod is threadedly connected to the inner side of the outer cylinder, and a push rod is threadedly connected to the inner side of the threaded rod. A ball is rolled on the top of the push rod. The staff holds the outer cylinder and lifts the outer cylinder so that the top of the push rod inside the outer cylinder is located in the annular bevel groove at the bottom of the base. Since the ball is rolled on the top of the push rod, when the ball abuts against the cavity wall of the annular bevel groove, the staff only needs to continue to push the push rod upwards, and the set ball will guide the outer cylinder along the bevel of the annular bevel groove to be inserted into slot 1.

[0005] In the above-mentioned distribution network line loss abnormal positioning device, a plurality of fixing holes are opened on the circumference of the slot one cavity wall at equal intervals, a plurality of sliding rods are welded to the inner cavity of the outer cylinder, and a mounting block is slidably arranged on the outer circumferential wall of each sliding rod, and a spring three is wound around the outer circumferential wall of each sliding rod, and each spring three is respectively connected between the side wall of the corresponding mounting block and the side wall of the inner cavity of the outer cylinder, and a fixing rod is welded between every two adjacent mounting blocks.

[0006] In the above-mentioned distribution network line loss abnormal positioning device, each of the fixing rods has a sloped surface on one side close to the inner cavity of the outer cylinder. After the top of the outer cylinder is inserted into the inside of the slot one and abuts against the top of the slot one, the staff twists the threaded rod, and the threaded rod is spirally moved upward. Figure 3 As shown, due to the difference in cross-section between the upper and lower sides of the threaded rod, when the threaded rod moves upward in a spiral, the fixed rod is pushed out of the inner cavity of the outer cylinder. In this process, the set spring three is compressed by force. Since the fixed grooves opened on the fixed rod and the wall of the slot one cavity are relatively dense, the staff only needs to slightly rotate the outer cylinder to align the fixed rod with the corresponding fixed groove. Subsequently, the fixed rod is inserted into the fixed groove under the action of the threaded rod moving upward in a spiral, so as to realize the fixed connection between the outer cylinder and the base.

[0007] The two cams are connected by a spring, and the ...

[0008] In the above-mentioned distribution network line loss abnormality positioning device, two motors are fixedly installed on the side wall of the main frame, and main pulleys are fixedly installed on the output ends of the two motors.

[0009] In the above-mentioned distribution network line loss abnormality positioning device, a line loss analyzer body is fixedly installed on the top of the main frame, a fixed detection ring is fixedly installed on the top of the line loss analyzer body, and two movable detection rings are elastically rotatably connected to the side wall of the fixed detection ring. The arranged motor drives the main pulley to rotate, and the friction between the main pulley, the auxiliary pulley and the cable is used to drive the wire wheel analyzer body to move, so as to perform detection operations on this section of the cable to be tested. The two symmetrically arranged movable detection rings can be flipped inward or outward, which makes it easy for the cable to pass through the two movable detection rings in and out of the inner side of the fixed detection ring.

[0010] In the above-mentioned distribution network line loss abnormal positioning device, a screw head 1 is fixedly sleeved on the outer peripheral wall of the threaded rod, and a screw head 2 is welded on the bottom of the push rod. The screw head 1 is provided to facilitate the staff to twist the threaded rod for rotation, and the screw head 2 is provided to facilitate the staff to twist the push rod for rotation.

[0011] Compared with the existing technology, the advantages of this distribution network line loss abnormal location device are:

[0012] 1. When the device is in use, the outer tube can be quickly inserted into the slot 1 by means of the cooperation between the ball and the annular bevel groove, which improves the fixed connection speed between the outer tube and the base to a certain extent;

[0013] 2. When fixing the outer tube and the base and locking the auxiliary pulley, the worker only needs to twist the threaded rod to rotate it, so that the worker does not need to use external climbing or lifting equipment to carry out the high-altitude installation of the device body. This not only reduces the risk of injury to the worker, but also reduces the physical burden and is more efficient;

[0014] 3. When the main body of the line loss analyzer is performing detection operations, the installed motor drives the main pulley to rotate, and uses the friction between the main pulley, auxiliary pulley and the cable to drive the main body of the line loss analyzer to move, so as to perform a more comprehensive detection of multiple nodes on a single section of cable, without the need for staff to perform multiple installation and disassembly operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the structure of a distribution network line loss abnormality locating device proposed by the present invention;

[0016] Figure 2 It is a schematic diagram of the outer cylinder structure of the present invention;

[0017] Figure 3 It is a schematic diagram of the threaded rod structure of the present invention;

[0018] Figure 4 It is a schematic diagram of the fixing rod structure of the present invention;

[0019] Figure 5 For the present invention Figure 4 A schematic diagram of the enlarged structure of part A;

[0020] Figure 6 It is a schematic diagram of the frame structure of the present invention;

[0021] Figure 7 It is a schematic diagram of the base structure of the present invention;

[0022] Figure 8 It is a schematic diagram of the abutment rod structure of the present invention;

[0023] Fig. 9 For the present invention Figure 8 A schematic diagram of the enlarged structure of part B;

[0024] Fig.10 For the present invention Figure 8 An enlarged schematic diagram of the C-section structure;

[0025] Fig.11 It is a schematic diagram of the limit block structure of the present invention;

[0026] Fig.12 It is a schematic diagram of the main pulley structure of the present invention.

[0027] In the figure: 1. main frame; 2. outer cylinder; 3. base; 4. annular bevel groove; 5. slot one; 6. slot two; 7. support rod; 8. mounting frame; 9. auxiliary pulley; 10. spring one; 11. frame; 12. abutment rod; 13. spring two; 14. threaded rod; 15. push rod; 16. ball bearing; 17. fixing hole; 18. slide rod; 19. mounting block; 20. spring three; 21. fixing rod; 22. vertical plate; 23. mounting groove; 24. limit block; 25. spring four; 26. motor; 27. main pulley; 28. line loss analyzer body; 29. ​​fixed detection ring; 30. movable detection ring; 31. screw head one; 32. screw head two; 33. cable; 34. arc groove. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0029] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0030] Reference Figure 1-Figure 12 , a distribution network line loss abnormal positioning device, including a main frame body 1 and an outer cylinder 2, the bottom of the main frame body 1 is welded with a base 3, the bottom of the base 3 is provided with an annular bevel groove 4, a slot one 5 and a slot two 6, the inner side of the outer cylinder 2 is threadedly connected with a threaded rod 14, the inner side of the threaded rod 14 is threadedly connected with a push rod 15, and the top of the push rod 15 is provided with a ball 16 for rolling. When disassembling, the staff holds the outer cylinder 2 and lifts the outer cylinder 2 so that the top of the push rod 15 inside the outer cylinder 2 is located in the annular bevel groove 4 at the bottom of the base 3. Since the top of the push rod 15 is provided with a ball 16 for rolling, when the ball 16 abuts against the cavity wall of the annular bevel groove 4, the staff only needs to continue to push the push rod 15 upwards, and the provided ball 16 will guide the outer cylinder 2 to be inserted into the slot one 5 along the inclined surface of the annular bevel groove 4.

[0031] Furthermore, a plurality of fixing holes 17 are provided at equal intervals on the cavity wall of the slot 5, a plurality of slide bars 18 are welded to the inner cavity of the outer cylinder 2, a mounting block 19 is slidably provided on the outer circumferential wall of each slide bar 18, a spring 3 20 is wound around the outer circumferential wall of each slide bar 18, and each spring 3 20 is respectively connected between the side wall of the corresponding mounting block 19 and the inner cavity side wall of the outer cylinder 2, a fixing rod 21 is welded between each two adjacent mounting blocks 19, and a side of each fixing rod 21 close to the inner cavity of the outer cylinder 2 is an inclined surface, and after the top of the outer cylinder 2 is inserted into the interior of the slot 5 and abuts against the top of the slot 5, the staff twists the threaded rod 14, and the threaded rod 14 is spirally moved upward, as shown in FIG. Figure 3 As shown, due to the difference in cross-section between the upper and lower sides of the threaded rod 14, when the threaded rod 14 moves upward in a spiral, it will push the fixing rod 21 to move out of the inner cavity of the outer cylinder 2, and the fixing rod 21 is inserted into the fixing groove under the action of the threaded rod 14 moving upward in a spiral, so as to realize the fixed connection between the outer cylinder 2 and the base 3; wherein, a screw head 31 is fixedly sleeved on the outer peripheral wall of the threaded rod 14, and the screw head 31 is arranged to facilitate the staff to twist the threaded rod 14 for rotation.

[0032] Furthermore, two symmetrical support rods 7 are slidably provided on the top of the main frame 1, and mounting frames 8 are welded on the tops of the two support rods 7. Auxiliary pulleys 9 are rotatably connected on the side walls of the two mounting frames 8. Springs 10 are wound around the outer peripheral walls of the two support rods 7, and the two springs 10 are respectively connected between the bottom of the corresponding mounting frames 8 and the top of the main frame 1. A frame 11 is welded between the bottoms of the two support rods 7, and the frame 11 is slidably provided between the two sides of the base 3. Two symmetrical abutment rods 12 are slidably provided in the inner cavity of the frame 11, and springs 2 13 are wound around the outer peripheral walls of the cylindrical sections of the two abutment rods 12, and the two springs 2 13 are respectively connected between the side walls of the corresponding abutment rods 12 and the side walls of the frame 11. The staff member twists the threaded rod 14 again, so that the threaded rod 14 continues to spirally move upward and enter the inside of the slot 2 6 and makes the top of the threaded rod 14 abut against the bottom of the frame 11. Then the staff member twists the push rod 15, so that the push rod 15 spirally moves upward The ball 16 at the top of the push rod 15 is abutted against the arc groove 34 at the bottom of the abutment rod 12. Then the staff continues to twist the push rod 15 to make it spiral upward, and the set ball 16 follows the push rod 15 to spiral upward and push the two symmetrical abutment rods 12 away from each other; wherein, the bottom of the push rod 15 is welded with a second screw head 32, and the set screw head 32 is convenient for twisting the push rod 15 to rotate; the bottom of the main frame 1 is welded with two symmetrical vertical plates 22, and the two vertical plates 22 are connected to each other The two sides close to each other are symmetrically provided with mounting grooves 23, and the inner cavities of the two mounting grooves 23 are both slidably provided with limit blocks 24. The inner cavities of the two mounting grooves 23 are both provided with springs four 25, and the two springs four 25 are respectively connected between the corresponding limit blocks 24 and the side walls of the mounting grooves 23. The movable abutment rod 12 pushes the limit blocks 24 to slide, so that the limit blocks 24 are retracted into the mounting grooves 23 on the side walls of the vertical plate 22, so as to release the limit blocks 24 from fixing the frame 11.

[0033] Furthermore, two motors 26 are fixedly installed on the side wall of the main frame 1, and main pulleys 27 are fixedly installed on the output ends of the two motors 26. A line loss analyzer body 28 is fixedly installed on the top of the main frame 1, and a fixed detection ring 29 is fixedly installed on the top of the line loss analyzer body 28. Two movable detection rings 30 are elastically rotatably connected to the side wall of the fixed detection ring 29. The motor 26 drives the main pulley 27 to rotate, and the friction between the main pulley 27, the auxiliary pulley 9 and the cable 33 is used to drive the wire wheel analyzer body to move, so as to perform detection operations on this section of cable 33 to be tested; wherein, the two symmetrically arranged movable detection rings 30 can be flipped inward or outward, which facilitates the cable 33 to pass through the two movable detection rings 30 in and out of the inner side of the fixed detection ring 29.

[0034] Working principle: Figure 1The figure shows the main body of the device that completes the detection operation of this section of cable 33. The staff needs to remove it from this section of cable 33 and then install it on the cable 33 of the next stage to perform line loss detection. When removing, the staff holds the outer cylinder 2 and lifts the outer cylinder 2 so that the top of the push rod 15 inside the outer cylinder 2 is located in the annular bevel groove 4 at the bottom of the base 3. Since the top of the push rod 15 is provided with a rolling ball 16, when the ball 16 abuts against the cavity wall of the annular bevel groove 4, the staff only needs to continue to push the push rod 15 upward, and the provided ball 16 will guide the outer cylinder 2 to be inserted into the slot 1 5 along the inclined surface of the annular bevel groove 4.

[0035] After the top of the outer tube 2 is inserted into the slot 5 and abuts against the top of the slot 5, the staff turns the threaded rod 14, and the threaded rod 14 is spirally moved upward. Figure 3 As shown, due to the difference in cross-section between the upper and lower sides of the threaded rod 14, when the threaded rod 14 is spirally moved upward, the fixing rod 21 is pushed to move out of the inner cavity of the outer cylinder 2. In this process, the spring 3 20 is compressed. Since the fixing grooves on the fixing rod 21 and the cavity wall of the slot 1 5 are densely arranged, the staff only needs to slightly rotate the outer cylinder 2 to align the fixing rod 21 with the corresponding fixing groove. Then, the fixing rod 21 is inserted into the fixing groove under the action of the spirally moved threaded rod 14, so as to achieve the fixed connection between the outer cylinder 2 and the base 3. After the fixed connection between the outer cylinder 2 and the base 3 is completed, the staff twists the threaded rod 14 again, so that the threaded rod 14 continues to spirally move upward to enter The push rod 15 is screwed into the second slot 6 and the top of the threaded rod 14 is abutted against the bottom of the frame 11. Then the staff member twists the push rod 15 to make the push rod 15 spiral upward and make the ball 16 at the top of the push rod 15 abut against the arc groove 34 at the bottom of the abutment rod 12. Then the staff member continues to twist the push rod 15 to make it spiral upward. The set ball 16 follows the push rod 15 to spiral upward and push the two symmetrical abutment rods 12 away from each other. In this process, the set spring 2 13 is compressed, and the moving abutment rod 12 pushes the limit block 24 to slide, so that the limit block 24 shrinks to the inside of the mounting groove 23 on the side wall of the vertical plate 22, so as to release the limit block 24 from fixing the frame 11.

[0036] Then the staff reversely twists the threaded rod 14 so that the threaded rod 14 moves downward in a spiral. Figure 6As shown, after the spring 10, which is initially in a stretched state, loses the limiting fixation of the limiting block 24, the set spring 10 pulls the auxiliary pulley 9 downward under the action of its own elastic force, thereby releasing the clamping and fixing operation of the auxiliary pulley 9 on the cable 33; after completing the above operation, the staff removes the device body from the cable 33 by controlling the outer cylinder 2. After the device body is transferred to a safe area, the staff only needs to continue to reversely twist the threaded rod 14 so that the threaded rod 14 no longer applies thrust to the fixing rod 21, and the set fixing rod 21 can be retracted into the inner cavity of the outer cylinder 2 under the action of the elastic force of the spring three 20, thereby releasing the fixed connection between the outer cylinder 2 and the base 3; when the staff reaches the next cable 33 to be tested, the staff repeats the above action so that the fixing rod 21 is reinserted into the fixing groove , so as to complete the fixation between the outer cylinder 2 and the base 3; then the staff continues to twist the threaded rod 14, and uses the threaded rod 14 to push the frame 11, the sliding rod 18 and the auxiliary pulley 9 to move up. After the auxiliary pulley 9 abuts against the cable 33 to be tested, the set limit block 24 is clamped to the inner side of the frame 11, so as to ensure the stability of the auxiliary pulley 9 after abutting against the cable 33 to be tested; it should be noted that at this time, the push rod 15 is retracted inside the threaded rod 14, and only the ball 16 is exposed at the top of the threaded rod 14, and the set ball 16 and the arc groove 34 at the bottom of the abutting rod 12 are both in a non-contact state; the set motor 26 drives the main pulley 27 to rotate, and uses the friction between the main pulley 27, the auxiliary pulley 9 and the cable 33 to drive the main body of the wire wheel analyzer to move, so as to perform detection operations on this section of the cable 33 to be tested.

[0037] It is further explained that the above-mentioned fixed connection should be understood in a broad sense unless otherwise clearly specified and limited. For example, it can be welding, gluing, or one-piece molding, etc., which are conventional means well known to those skilled in the art.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A distribution network line loss abnormality positioning device, comprising a main frame (1) and an outer cylinder (2), characterized in that: The bottom of the main frame (1) is welded with a base (3), and the bottom of the base (3) is provided with an annular inclined groove (4), a slot one (5) and a slot two (6). The top of the main frame (1) is slidably provided with two symmetrical support rods (7), and the tops of the two support rods (7) are welded with mounting frames (8), and the side walls of the two mounting frames (8) are rotatably connected with auxiliary pulleys (9). The outer peripheral walls of the two support rods (7) are wound with springs one (10), and the two springs one (10) are respectively connected between the bottom of the corresponding mounting frame (8) and the top of the main frame (1). The two support rods (7) A frame (11) is welded between the bottoms, and the frame (11) is slidably arranged between the two sides of the base (3); two symmetrical abutment rods (12) are slidably arranged in the inner cavity of the frame (11); springs (13) are wound around the outer peripheral walls of the cylindrical sections of the two abutment rods (12); and the two springs (13) are respectively connected between the side walls of the corresponding abutment rods (12) and the side walls of the frame (11); a threaded rod (14) is threadedly connected to the inner side of the outer cylinder (2); a push rod (15) is threadedly connected to the inner side of the threaded rod (14); and a ball (16) is rolled on the top of the push rod (15).

2. A distribution network line loss abnormality location device according to claim 1, characterized in that: A plurality of fixing holes (17) are provided on the cavity wall of the slot one (5) at equal intervals, a plurality of slide bars (18) are welded to the inner cavity of the outer cylinder (2), a mounting block (19) is slidably provided on the outer circumferential wall of each slide bar (18), a spring three (20) is wound around the outer circumferential wall of each slide bar (18), and each spring three (20) is respectively connected between the side wall of the corresponding mounting block (19) and the side wall of the inner cavity of the outer cylinder (2), and a fixing rod (21) is welded between each two adjacent mounting blocks (19).

3. A distribution network line loss abnormality positioning device according to claim 2, characterized in that: The side of each fixing rod (21) close to the inner cavity of the outer cylinder (2) is an inclined surface.

4. A distribution network line loss abnormality location device according to claim 1, characterized in that: Two symmetrical vertical plates (22) are welded at the bottom of the main frame (1); installation grooves (23) are symmetrically provided on the sides of the two vertical plates (22) close to each other; limit blocks (24) are slidably provided in the inner cavities of the two installation grooves (23); springs (25) are provided in the inner cavities of the two installation grooves (23); and the two springs (25) are respectively connected between the corresponding limit blocks (24) and the side walls of the installation grooves (23).

5. The device for locating abnormal line loss in a distribution network according to claim 1, characterized in that: Two motors (26) are fixedly mounted on the side wall of the main frame (1), and main pulleys (27) are fixedly mounted on the output ends of the two motors (26).

6. A distribution network line loss abnormality location device according to claim 1, characterized in that: A line loss analyzer body (28) is fixedly mounted on the top of the main frame (1), a fixed detection ring (29) is fixedly mounted on the top of the line loss analyzer body (28), and two movable detection rings (30) are elastically rotatably connected to the side wall of the fixed detection ring (29).

7. A distribution network line loss abnormality location device according to claim 1, characterized in that: A screw head 1 (31) is fixedly sleeved on the outer peripheral wall of the threaded rod (14), and a screw head 2 (32) is welded on the bottom of the push rod (15).

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