Power transmission line tester and use method thereof

Abstract

The invention discloses a power transmission line tester and a use method thereof, and relates to the technical field of testers. Comprising a protective shell, a mounting piece is mounted in the protective shell, a mounting groove is formed in the mounting piece, two double-end lead screws are rotationally connected between the inner walls of the two sides of the mounting groove, two fixing plates and two limiting plates are fixed in the mounting groove, a limiting rod is fixed between each fixing plate, and sliding blocks are in threaded connection with the outer walls of the two ends of the two double-end lead screws; the sliding block is located between the fixing plate and the limiting plate, and the limiting rod penetrates through the sliding block. By starting the motor, the motor drives a rotating rod to rotate, the rotating rod rotates to drive a first bevel gear to rotate, the first bevel gear rotates to drive a second bevel gear to rotate, the second bevel gear rotates to drive a mounting rod to rotate, the mounting rod rotates to drive a second rotating wheel to rotate, the second rotating wheel rotates to drive a belt to move, and the belt moves to drive a first rotating wheel to rotate; the first rotating wheel rotates to drive the two double-end lead screws to rotate.

Description

Technical Field

[0001] The present invention relates to the technical field of testers, and in particular to a power transmission line tester and a use method thereof. Background Art

[0002] Transmission lines are an important part of the power system. Their power frequency parameters, such as positive sequence parameters, negative sequence parameters and zero sequence parameters, are essential parameters for establishing a mathematical model of the power system before carrying out power system flow calculations, transient stability calculations, relay protection setting calculations and power system operation mode formulation. Their accuracy is directly related to the safe and stable operation of the power grid. Due to the influence of geographical and environmental factors, these parameters are difficult to accurately calculate through theoretical methods and must be regularly measured on site. A line tester is required during the measurement process. An existing transmission line tester (Announcement No.: CN221199765U) has the following disadvantages in use; During use, when the inside of the tester needs to be repaired, the handle needs to be moved, and then the slider needs to be moved along the inner side of the slide slot through the hand-held slot to release the card column from the constraint of the card slot. However, when disassembling it, the staff needs to move the four hand-held slots at the same time, otherwise any card column cannot be disassembled if it is not released from the slot. It is difficult for one staff member to move the four hand-held slots. For this reason, this patent proposes a transmission line tester and a method of using it to solve the above problems. Summary of the invention

[0003] The object of the present invention is to provide a power transmission line tester and a method of using the same to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a power transmission line tester and a method for using the same, comprising a protective shell, a mounting piece installed inside the protective shell, a mounting groove provided inside the mounting piece, two double-headed screw rods rotatably connected between the inner walls on both sides of the mounting groove, two groups of fixed plates and two groups of limit plates fixed in the mounting groove, a limit rod fixed between each group of fixed plates, sliders are threadedly connected to the outer walls at both ends of the two double-headed screw rods, the sliders are located between the fixed plates and the limit plates, the limit rods pass through the sliders, an insertion rod is fixed to the side of the slider close to the protective shell, two slots are provided on the inner walls on both sides of the protective shell, the insertion rod passes through the mounting piece and is inserted into the slots.

[0005] Preferably, the top end of the mounting groove is rotatably connected to a rotating rod, the outer wall of the rotating rod is fixed with a first bevel gear, the top end of the mounting piece is fixed with a motor, the output end of the motor passes through the mounting piece and is fixed to the rotating rod, the mounting rod is rotatably connected between the inner walls on both sides of the mounting groove, the outer wall of the mounting rod is fixed with a second bevel gear, the first bevel gear and the second bevel gear are meshed with each other, the outer walls of the two double-headed screws are fixed with a first rotating wheel, the outer wall of the mounting rod is fixed with a second rotating wheel, and a belt is arranged between the first rotating wheel and the second rotating wheel.

[0006] Preferably, two fixed blocks are fixed at one end of the protective shell, a rotating rod is passed through the two fixed blocks and is rotatably connected, threaded rods are fixed to the outer walls of both ends of the rotating rod, the threaded rods are located on the outside of the two fixed blocks, a connecting sleeve is screwed on the outer wall of the threaded rod, a connecting piece is inserted into the outer wall of the rotating rod, and a box cover is installed on the top of the connecting piece.

[0007] Preferably, a buckle is installed between the box cover and the protective shell to fix the box cover and the protective shell.

[0008] Preferably, protective strips are fixed to the four corners of the protective shell and the four corners of the box cover, and the protective strips protect the protective shell and the box cover.

[0009] Preferably, a printing area, multiple detection connectors, multiple indicator lights, a display screen and multiple control buttons are installed on the upper end of the mounting member, multiple sound holes are opened on the upper end of the mounting member, and a speaker, a temperature and humidity sensor and a controller are installed on the lower end of the mounting member, and the controller is electrically connected to the speaker and the temperature and humidity sensor.

[0010] Preferably, connecting ports are provided on both sides of the protective shell, fans are installed in the connecting ports, connecting shells are installed on both sides of the protective shell outside the connecting ports, mounting shells are screwed on the outside of the connecting shells, and multiple ventilation ports are provided on the mounting shells.

[0011] Preferably, a universal wheel is installed at the bottom end of the protective shell, and the universal wheel has a brake function.

[0012] A method for using a power transmission line tester comprises the following steps: S1: First, open the buckle to open the box cover; S2: Then start the motor, so that the motor drives the rotating rod to rotate, the rotating rod drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the installation rod to rotate, the installation rod drives the second rotating wheel to rotate, the second rotating wheel drives the belt to move, the belt movement drives the first rotating wheel to rotate, the first rotating wheel drives the two double-headed screws to rotate, the two double-headed screws drive the slider to move, the slider moves so that the insertion rod moves out of the slot; S3: Finally, move the mounting part upward to remove it and repair the components at the bottom of the mounting part.

[0013] Compared with the prior art, the present invention has the following beneficial effects: By starting the motor, the motor drives the rotating rod to rotate, the rotation of the rotating rod drives the first bevel gear to rotate, the rotation of the first bevel gear drives the second bevel gear to rotate, the rotation of the second bevel gear drives the installation rod to rotate, the rotation of the installation rod drives the second rotating wheel to rotate, the rotation of the second rotating wheel drives the belt to move, the belt movement drives the first rotating wheel to rotate, the rotation of the first rotating wheel drives the two double-headed screw rods to rotate, the rotation of the two double-headed screw rods drives the slider to move, the movement of the slider causes the insertion rod to move out of the slot, so that the mounting part can be moved upward to take it out, and its operation is simpler, and one staff member can perform disassembly, which is more convenient.

[0014] In addition, when the box cover is damaged at a later stage, the connecting sleeve can be rotated down so that the rotating rod can be pulled out. After the rotating rod is pulled out, the connecting part is no longer limited, and the box cover can be taken out, which is convenient for replacement of the box cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural schematic diagram of the present invention after removing the box cover; Figure 3 It is a structural schematic diagram of a first cross-sectional view of the present invention; Figure 4 is a structural schematic diagram of a second cross-sectional view of the present invention; Figure 5 It is a schematic diagram of the protective shell structure of the present invention; Figure 6 This is a schematic diagram of the structure of the present invention after removing the installation shell; Figure 7 It is a schematic diagram of the local structure of the present invention.

[0016] In the figure: 1. protective shell; 2. box cover; 3. buckle; 4. mounting shell; 5. vent; 6. protective strip; 7. mounting piece; 8. display screen; 9. printing area; 10. detection connector; 11. indicator light; 12. control button; 13. speaker hole; 14. mounting slot; 15. fixing plate; 16. double-headed screw rod; 17. slider; 18. limit plate; 19. plug rod; 20. first bevel gear; 21. second bevel gear; 22. first rotating wheel; 23. second rotating wheel; 24. belt; 25. slot; 26. connection port; 27. connecting shell; 28. fan; 29. ​​fixing block; 30. rotating rod; 31. connecting piece; 32. threaded rod; 33. connecting sleeve; 34. universal wheel. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] The transmission line is an important part of the power system. Due to the influence of geographical and environmental factors, these parameters are difficult to accurately calculate through theoretical methods, and field measurements must be carried out regularly. A line tester is needed during the measurement process. The transmission line tester and the use method provided by the present invention provide a tester that is easy to maintain. When a component inside the tester fails, the mounting part 7 can be quickly removed to repair the component, which is more practical. In addition, the box cover 2 is detachable. When the box cover 2 is damaged, it can be removed and replaced.

[0019] like Figure 1-Figure 7 As shown, the present invention provides a technical solution: a power transmission line tester and a method for using the same, comprising a protective shell 1, a mounting member 7 is installed inside the protective shell 1, a mounting groove 14 is provided inside the mounting member 7, two double-headed screw rods 16 are rotatably connected between the inner walls on both sides of the mounting groove 14, two groups of fixed plates 15 and two groups of limit plates 18 are fixed in the mounting groove 14, a limit rod is fixed between each group of fixed plates 15, sliders 17 are screwed to the outer walls at both ends of the two double-headed screw rods 16, the slider 17 is located between the fixed plate 15 and the limit plate 18, the fixed plate 15 and the limit plate 18 limit the slider 17 so that it can only move between the fixed plate 15 and the limit plate 18, the limit rod passes through the slider 17, a plug rod 19 is fixed to the side of the slider 17 close to the protective shell 1, two slots 25 are provided on the inner walls on both sides of the protective shell 1, the plug rod 19 passes through the mounting member 7 and is plugged into the slot 25. The top of the mounting groove 14 is rotatably connected with a rotating rod, and a first bevel gear 20 is fixed to the outer wall of the rotating rod. A motor is fixed to the top of the mounting member 7, and the output end of the motor passes through the mounting member 7 and is fixed to the rotating rod. The inner walls on both sides of the mounting groove 14 are rotatably connected with a mounting rod, and a second bevel gear 21 is fixed to the outer wall of the mounting rod. The first bevel gear 20 and the second bevel gear 21 are meshed with each other. The outer walls of the two double-headed screws 16 are both fixed with a first rotating wheel 22, and the outer wall of the mounting rod is fixed with a second rotating wheel 23. A belt 24 is arranged between the first rotating wheel 22 and the second rotating wheel 23.

[0020] It should be noted that by starting the motor, the motor drives the rotating rod to rotate, the rotation of the rotating rod drives the first bevel gear 20 to rotate, the rotation of the first bevel gear 20 drives the second bevel gear 21 to rotate, the rotation of the second bevel gear 21 drives the mounting rod to rotate, the rotation of the mounting rod drives the second rotating wheel 23 to rotate, the rotation of the second rotating wheel 23 drives the belt 24 to move, the movement of the belt 24 drives the first rotating wheel 22 to rotate, the rotation of the first rotating wheel 22 drives the two double-headed screw rods 16 to rotate, the rotation of the two double-headed screw rods 16 drives the slider 17 to move, the movement of the slider 17 causes the insertion rod 19 to move out of the slot 25, so that the mounting part 7 can be moved upward to be taken out, and its operation is simpler, and one staff member can perform disassembly, which is more convenient.

[0021] like Figure 6 and Figure 7 As shown, two fixing blocks 29 are fixed at one end of the protective shell 1, and a rotating rod 30 is rotatably connected between the two fixing blocks 29. Threaded rods 32 are fixed to the outer walls of both ends of the rotating rod 30. The threaded rod 32 is located outside the two fixing blocks 29. A connecting sleeve 33 is screwed to the outer wall of the threaded rod 32. A connecting piece 31 is inserted into the outer wall of the rotating rod 30. The connecting piece 31 is rotatably connected to the rotating rod 30, and a box cover 2 is installed on the top of the connecting piece 31. A buckle 3 is installed between the box cover 2 and the protective shell 1 to fix the box cover 2 and the protective shell 1. Protective strips 6 are fixed to the four corners of the protective shell 1 and the four corners of the box cover 2, and the protective strips 6 protect the protective shell 1 and the box cover 2.

[0022] It should be noted that, when the box cover 2 is damaged and needs to be replaced, the connecting sleeve 33 can be rotated down to pull out the rotating rod 30. After the rotating rod 30 is pulled out, the connecting member 31 is no longer limited, so the box cover 2 can be taken out.

[0023] like Figure 2 As shown, a printing area 9, a plurality of detection connectors 10, a plurality of indicator lights 11, a display screen 8 and a plurality of control buttons 12 are installed at the upper end of the mounting member 7, a plurality of speaker holes 13 are opened at the upper end of the mounting member 7, a speaker, a temperature and humidity sensor and a controller are installed at the lower end of the mounting member 7, the controller is electrically connected to the speaker and the temperature and humidity sensor, and a battery is installed at the lower end of the mounting member 7, and the battery supplies power to the device.

[0024] It should be noted that the printing area 9, multiple detection connectors 10, multiple indicator lights 11, display screen 8, multiple control buttons 12, speakers, temperature and humidity sensors, and controllers all belong to the prior art and will not be elaborated on here. The temperature inside the protective shell 1 is detected by the temperature and humidity sensor. When the temperature is high, it will send a signal to the controller, and the controller will then control the speaker so that the speaker will sound an alarm at the sound hole 13. In addition, the temperature value inside the protective shell 1 is displayed on the display screen 8.

[0025] like Figure 1 , Figure 5 and Figure 6 As shown, both sides of the protective shell 1 are provided with connection ports 26, and fans 28 are installed in the connection ports 26. Connection shells 27 are installed on both sides of the protective shell 1 outside the connection ports 26, and mounting shells 4 are screwed to the outside of the connection shells 27. The mounting shells 4 are provided with multiple ventilation ports 5. Universal wheels 34 are installed at the bottom of the protective shell 1, and the universal wheels 34 have a brake function.

[0026] It should be noted that when the temperature is high, the staff can start the fan 28 through the control button 12, and the fan 28 dissipates heat in the protective shell 1, and the universal wheels 34 are used to facilitate the transportation of the device.

[0027] A method for using a power transmission line tester comprises the following steps: S1: First, the buckle 3 is opened, so that the box cover 2 is opened; S2: Then the motor is started, so that the motor drives the rotating rod to rotate, the rotating rod rotates to drive the first bevel gear 20 to rotate, the first bevel gear 20 rotates to drive the second bevel gear 21 to rotate, the second bevel gear 21 rotates to drive the mounting rod to rotate, the mounting rod rotates to drive the second rotating wheel 23 to rotate, the second rotating wheel 23 rotates to drive the belt 24 to move, the belt 24 moves to drive the first rotating wheel 22 to rotate, the first rotating wheel 22 rotates to drive the two double-headed screws 16 to rotate, the two double-headed screws 16 rotate to drive the slider 17 to move, the slider 17 moves to move so that the insertion rod 19 moves out of the slot 25; S3: Finally, the mounting member 7 can be disassembled by moving it upwards, and the components at the bottom of the mounting member 7 can be repaired.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is limited by the attached embodiments and their equivalents.

Claims

1. A power transmission line tester, comprising a protective housing (1), characterized in that: A mounting member (7) is installed inside the protective shell (1), a mounting groove (14) is provided inside the mounting member (7), two double-headed screw rods (16) are rotatably connected between the inner walls on both sides of the mounting groove (14), two groups of fixed plates (15) and two groups of limit plates (18) are fixed inside the mounting groove (14), a limit rod is fixed between each group of fixed plates (15), sliders (17) are screwed to the outer walls at both ends of the two double-headed screw rods (16), the sliders (17) are located between the fixed plates (15) and the limit plates (18), the limit rods pass through the sliders (17), an insertion rod (19) is fixed on one side of the slider (17) close to the protective shell (1), two slots (25) are provided on the inner walls on both sides of the protective shell (1), the insertion rod (19) passes through the mounting member (7) and is inserted into the slots (25).

2. A power transmission line tester according to claim 1, characterized in that: The top of the mounting groove (14) is rotatably connected to a rotating rod, a first bevel gear (20) is fixed to the outer wall of the rotating rod, a motor is fixed to the top of the mounting member (7), an output end of the motor passes through the mounting member (7) and is fixed to the rotating rod, a mounting rod is rotatably connected between the inner walls on both sides of the mounting groove (14), a second bevel gear (21) is fixed to the outer wall of the mounting rod, the first bevel gear (20) and the second bevel gear (21) are meshed, the outer walls of the two double-headed screws (16) are both fixed to first rotating wheels (22), the outer wall of the mounting rod is fixed to a second rotating wheel (23), and a belt (24) is arranged between the first rotating wheel (22) and the second rotating wheel (23).

3. A power transmission line tester according to claim 1, characterized in that: Two fixing blocks (29) are fixed at one end of the protective shell (1), a rotating rod (30) is rotatably connected to the two fixing blocks (29), threaded rods (32) are fixed to the outer walls of both ends of the rotating rod (30), the threaded rod (32) is located outside the two fixing blocks (29), a connecting sleeve (33) is screwed to the outer wall of the threaded rod (32), a connecting piece (31) is inserted into the outer wall of the rotating rod (30), and a box cover (2) is installed on the top of the connecting piece (31).

4. A power transmission line tester according to claim 3, characterized in that: A buckle (3) is installed between the box cover (2) and the protective shell (1) for fixing the box cover (2) and the protective shell (1).

5. A power transmission line tester according to claim 1, characterized in that: Protective strips (6) are fixed to the four corners of the protective shell (1) and the four corners of the box cover (2), and the protective strips (6) protect the protective shell (1) and the box cover (2).

6. A power transmission line tester according to claim 1, characterized in that: The upper end of the mounting member (7) is provided with a printing area (9), a plurality of detection joints (10), a plurality of indicator lights (11), a display screen (8) and a plurality of control buttons (12); the upper end of the mounting member (7) is provided with a plurality of speaker holes (13); the lower end of the mounting member (7) is provided with a speaker, a temperature and humidity sensor and a controller; the controller is electrically connected to the speaker and the temperature and humidity sensor.

7. A power transmission line tester according to claim 1, characterized in that: The protective shell (1) is provided with connection ports (26) on both sides, a fan (28) is installed in the connection ports (26), and connection shells (27) are installed on both sides of the protective shell (1) outside the connection ports (26), a mounting shell (4) is screwed to the outside of the connection shell (27), and a plurality of ventilation ports (5) are provided on the mounting shell (4).

8. A power transmission line tester according to claim 1, characterized in that: A universal wheel (34) is installed at the bottom end of the protective shell (1), and the universal wheel (34) has a brake function.

9. A method for using a power transmission line tester, characterized in that: A power transmission line tester according to any one of claims 1 to 8 is used, comprising the following steps: S1: First, open the buckle (3) to open the box cover (2); S2: Then, the motor is started, so that the motor drives the rotating rod to rotate, the rotating rod rotates and drives the first bevel gear (20) to rotate, the first bevel gear (20) rotates and drives the second bevel gear (21) to rotate, the second bevel gear (21) rotates and drives the mounting rod to rotate, the mounting rod rotates and drives the second rotating wheel (23) to rotate, the second rotating wheel (23) rotates and drives the belt (24) to move, the belt (24) moves and drives the first rotating wheel (22) to rotate, the first rotating wheel (22) rotates and drives the two double-headed screws (16) to rotate, the two double-headed screws (16) rotate and drive the slider (17) to move, the slider (17) moves so that the insertion rod (19) moves out of the slot (25); S3: Finally, the mounting member (7) can be disassembled by moving the mounting member (7) upward, and the components at the bottom of the mounting member (7) can be repaired.

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