Universal tool for positioning tap switch of power distribution three-phase transformer

Abstract

The utility model discloses a universal tool for positioning a tap switch of a power distribution three-phase transformer, which belongs to the technical field of tools and comprises a base, two slide rails with locks are arranged on the upper surface of the base, the base is connected with a connecting plate in a sliding manner through the two slide rails with the locks, a telescopic piece is arranged above the connecting plate, and the telescopic piece is connected with the base through the slide rails with the locks. And a tap switch fixing plate is arranged at the top end of the telescopic piece. The position of the tap switch fixing plate can be quickly and accurately adjusted by adopting the slide rail with the lock and the telescopic piece, so that the tap switch hole can be accurately positioned, the production operation time can be shortened, the operation accuracy is improved, the tool is convenient to carry, the operation is flexible, simple and convenient, the universality is high, the production waste is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling, in particular to a universal tooling for positioning a tap switch of a three-phase power distribution transformer. Background Art

[0002] The three-phase distribution transformer needs to install a tap changer and connect the wires inside the oil tank. The space is narrow during operation, which makes operation difficult. In addition, the operation can be carried out in advance before the oil tank arrives at the factory to reduce waiting time. Therefore, corresponding tooling is made to transfer the operation inside the oil tank to the operation outside the oil tank. The space is large, the operation is flexible, the efficiency is higher and it is less likely to make mistakes. In addition, the tap changer positions of common 3000K and below three-phase oil-immersed transformers are different. The traditional wiring tooling is bulky, lacks flexibility, and the height size is difficult to adapt to the pain points of production needs. Utility Model Content

[0003] The utility model aims to provide a universal tool for positioning a tap changer of a three-phase power distribution transformer, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a universal tooling for positioning a tap changer of a three-phase power distribution transformer, comprising a base, the upper surface of which is provided with two locking slide rails, the base is slidably connected to a connecting plate through the two locking slide rails, a telescopic member is provided above the connecting plate, and a tap changer fixing plate is provided on the top of the telescopic member.

[0005] Preferably, four universal wheels with locks are provided on the lower surface of the base.

[0006] Preferably, the telescopic member comprises a fixing rod, the fixing rod is sleeved with the telescopic rod, the top end of the telescopic rod is connected to the tap changer fixing plate, and the top of the fixing rod is provided with two plum bolts for limiting the movement of the telescopic rod.

[0007] Preferably, the cross-section of the connecting plate is a U-shaped structure, and through slide grooves are provided on both sides of the connecting plate. The connecting plate is slidably connected to a slide seat through two through slide grooves. The two slide seats are rotatably connected to a connecting shaft, and the connecting shaft is fixedly connected to a fixed rod. A limiting member for limiting the angular displacement of the fixed rod is provided on one side of the slide seat.

[0008] Preferably, the limiting member includes a limit plate, one end of the connecting shaft passes through the limit plate and is provided with a plug-in slot, the connecting shaft is connected with a plug-in column through the plug-in slot, a connecting block is provided at the end of the plug-in column, a handle is provided on one side of the connecting block, two limit rods are provided on the other side of the connecting block, and a plurality of limit slots corresponding to the limit rods are provided on the limit plate.

[0009] Preferably, a spring is provided between the plug-in column and the side wall of the plug-in slot.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] By using locking slide rails and telescopic parts, the position of the tap changer fixing plate can be adjusted quickly and accurately, so that the tap changer hole can be accurately positioned;

[0012] The tooling can reduce production operation time, improve operation accuracy, is easy to carry, flexible and simple to operate, has strong versatility, reduces production waste, and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a cross-sectional view of the overall structure of the utility model;

[0015] Figure 3 for Figure 2 A magnified view of the structure at center A;

[0016] Figure 4 for Figure 2 The structural breakdown diagram at A in the middle.

[0017] In the figure:

[0018] 1. Base; 2. Lockable universal wheel; 3. Lockable slide rail; 4. Connecting plate; 5. Fixing rod; 6. Telescopic rod; 7. Plum bolt; 8. Tap changer fixing plate; 9. Through slide groove; 10. Slide seat; 11. Connecting shaft; 12. Limiting plate; 13. Plug-in groove; 14. Plug-in column; 15. Connecting block; 16. Handle; 17. Limiting rod; 18. Limiting slot; 19. Spring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 , the utility model provides a technical solution:

[0021] like Figure 1As shown, a universal tooling for positioning a three-phase transformer tap changer for power distribution comprises a base 1, and two locking slide rails 3 are arranged on the upper surface of the base 1, wherein the locking slide rail 3 comprises a slide rail, a slider, a locking device, a guiding device, a buffer device and an adjusting device, wherein the slide rail is mainly a groove or track made of metal or plastic material, and is used to support the sliding of a beam or other device; the slider is installed on the slide rail, and is used to connect the device to be moved, and can slide along the slide rail; the locking device is used to fix the slider in a specific position to prevent it from sliding or moving; the guiding device helps the slider to be accurately and Move stably and avoid deviation from the track; the buffer device is used to slow down or eliminate the impact force generated during sliding, and protect the device and the slide rail from damage; the adjustment device is used to adjust the height, horizontality, inclination and other parameters of the slide rail to adapt to different installation scenarios and needs. The base 1 is slidably connected to the connecting plate 4 through two locking slide rails 3, and a telescopic part is arranged above the connecting plate 4. The top of the telescopic part is provided with a tap changer fixing plate 8. By adopting the locking slide rail 3 and the telescopic part, the position of the tap changer fixing plate 8 can be quickly and accurately adjusted, so that the accurate positioning of the tap changer hole can be achieved.

[0022] It should be noted that, under the action of the locking slide rail 3, the tap changer fixing plate 8 can be adjusted in a lateral range of 100 to 600 mm, and under the action of the telescopic member, the tap changer fixing plate 8 can be adjusted in a longitudinal range of 800 to 1600 mm.

[0023] Furthermore, four universal wheels 2 with locks are provided on the lower surface of the base 1 .

[0024] like Figure 2 As shown, the telescopic member includes a fixed rod 5, a telescopic rod 6 is sleeved in the fixed rod 5, the top of the telescopic rod 6 is connected to the tap changer fixing plate 8, and two plum bolts 7 for limiting the movement of the telescopic rod 6 are provided on the top of the fixed rod 5. The plum bolts 7 are rotated to tighten or loosen the telescopic rod 6, thereby realizing the restriction of the telescopic rod 6, which is convenient for the staff to adjust the height of the tap changer fixing plate 8 as needed.

[0025] like Figure 3 and Figure 4 As shown, the cross section of the connecting plate 4 is a U-shaped structure, and through-slots 9 are provided on both sides of the connecting plate 4. The connecting plate 4 is slidably connected to a slide seat 10 through two through-slots 9. The two slide seats 10 are rotatably connected to a connecting shaft 11. The connecting shaft 11 is fixedly connected to the fixing rod 5. A limiting member for limiting the angular displacement of the fixing rod 5 is provided on one side of the slide seat 10. By setting the sliding connection between the slide seat 10 and the through-slots 9, it is convenient for the staff to move the fixing rod 5 along the length direction of the connecting plate 4. By setting the limiting member, the angle of the fixing rod 5 can be limited, and the fixing rod 5 can be made to fit with the bottom of the inner wall of the connecting plate 4 when not in use, which is convenient for storage.

[0026] Furthermore, the limiting member includes a limiting plate 12, one end of the connecting shaft 11 passes through the limiting plate 12 and is provided with a plug-in slot 13, the connecting shaft 11 is plugged with a plug-in column 14 through the plug-in slot 13, a connecting block 15 is provided at the end of the plug-in column 14, a pull handle 16 is provided on one side of the connecting block 15, two limiting rods 17 are provided on the other side of the connecting block 15, and a plurality of limiting slots 18 corresponding to the limiting rods 17 are provided on the limiting plate 12. When it is necessary to adjust the angle of the fixed rod 5, the connecting block 15 drives the plug-in column 14 to start moving by pulling the pull handle 16, so that the plug-in column 14 is separated from the plug-in slot 13, and then the fixed rod 5 is rotated to drive the connecting shaft 11, the plug-in column 14 and the connecting block 15 to start rotating. When the fixed rod 5 is flipped to the specified angle, the plug-in column 14 is inserted into the plug-in slot 13 again, and the limiting rod 17 is inserted into the limiting slot 18, so that the angle limiting work of the fixed rod 5 is completed.

[0027] Furthermore, a spring 19 is provided between the plug-in column 14 and the side wall of the plug-in slot 13 .

[0028] Although the 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 defined by the appended claims and their equivalents.

Claims

1. A universal tool for positioning a tap changer of a three-phase power distribution transformer, comprising a base (1), characterized in that: The upper surface of the base (1) is provided with two locking slide rails (3), and the base (1) is slidably connected to a connecting plate (4) via the two locking slide rails (3). A telescopic member is provided above the connecting plate (4), and a tap switch fixing plate (8) is provided at the top of the telescopic member.

2. A universal tool for positioning a tap changer of a three-phase transformer for power distribution according to claim 1, characterized in that: The lower surface of the base (1) is provided with four universal wheels (2) with locks.

3. The universal tooling for positioning the tap changer of a three-phase transformer for power distribution according to claim 1 is characterized in that: The telescopic member comprises a fixed rod (5), a telescopic rod (6) is sleeved inside the fixed rod (5), the top end of the telescopic rod (6) is connected to a tap switch fixing plate (8), and two plum bolts (7) for limiting the movement of the telescopic rod (6) are arranged on the top of the fixed rod (5).

4. The universal tooling for positioning the tap changer of a three-phase transformer for power distribution according to claim 3 is characterized in that: The cross section of the connecting plate (4) is a U-shaped structure. Through slide grooves (9) are provided on both sides of the connecting plate (4). The connecting plate (4) is slidably connected to a slide seat (10) via two through slide grooves (9). The two slide seats (10) are rotatably connected to a connecting shaft (11). The connecting shaft (11) is fixedly connected to the fixing rod (5). A limiting member for limiting the angular displacement of the fixing rod (5) is provided on one side of the sliding seat (10).

5. The universal tooling for positioning the tap changer of a three-phase transformer for power distribution according to claim 4, characterized in that: The limiting member comprises a limiting plate (12), one end of the connecting shaft (11) passes through the limiting plate (12) and is provided with a plug-in slot (13), the connecting shaft (11) is plugged with a plug-in column (14) through the plug-in slot (13), a connecting block (15) is provided at the end of the plug-in column (14), a handle (16) is provided on one side of the connecting block (15), two limiting rods (17) are provided on the other side of the connecting block (15), and a plurality of limiting slots (18) corresponding to the limiting rods (17) are provided on the limiting plate (12).

6. The universal tooling for positioning the tap changer of a three-phase transformer for power distribution according to claim 5, characterized in that: A spring (19) is provided between the plug-in column (14) and the side wall of the plug-in slot (13).

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