Transformer power frequency withstand voltage test equipment

Abstract

The utility model relates to the technical field of power frequency withstand voltage testers, and provides a transformer power frequency withstand voltage test device which comprises a base and a test device body, the test device body is installed on the base, a line fixing assembly is arranged on the surface of the base, an outer blocking cover is arranged on the surface of the base, and a telescopic protection assembly is arranged in the outer blocking cover. The movable stabilizing assembly is arranged at the bottom of the base, the stand column is fixed to the surface of the base, a transmission groove is formed in the upper end of the stand column, a connecting rod is movably connected in the transmission groove in a sleeved mode, a fixing frame is arranged at the upper end of the connecting rod, and a plurality of wire grooves are formed in the surface of the fixing frame. By means of the technical scheme, the problem that in the prior art, an existing power frequency withstand voltage tester body of a power transformer is not provided with a structure for arranging the connecting wires usually, and multiple sets of connecting wires are likely to be wound in the testing process is solved.

Description

Technical Field

[0001] This utility model relates to the technical field of power frequency withstand voltage testers, specifically to a transformer power frequency withstand voltage test device. Background Technology

[0002] The power frequency withstand voltage tester is an advanced intelligent withstand voltage testing device designed according to the latest national power industry standards. It is safe, reliable, powerful, easy to use, and simple to maintain. It is used to perform insulation strength tests on various electrical products, electrical components, and insulating materials under specified voltages to assess the insulation level of the products, detect insulation defects in the tested items, and measure their overvoltage capability.

[0003] According to the search, Chinese patent CN 202022743293.6 discloses a transformer withstand voltage tester. Its first and second housings can provide comprehensive protection for the main body of the tester, and the elasticity of the first spring also plays a role in shock absorption, thus protecting the main body of the tester to the greatest extent. This device is not only easy to carry, but also avoids damage to the main body of the tester caused by bumps during transportation. At the same time, its heat dissipation effect is excellent, ensuring that the internal electrical components of the tester can always work in a dry working environment, thereby improving the service life. It is highly practical and suitable for widespread application.

[0004] The above-mentioned technology has some drawbacks. For example, when connecting multiple sets of connecting wires, and these connecting wires also need to be connected to the power transformer, the number of connecting wires required during testing is relatively large. Existing power transformer power frequency withstand voltage testers usually do not have a structure to organize the connecting wires. During testing, multiple sets of connecting wires may become tangled, and they may also fall off due to accidental contact by staff, which may affect the smooth progress of the test.

[0005] Therefore, improvements have been made to address the aforementioned issues. Utility Model Content

[0006] This utility model proposes a transformer power frequency withstand voltage test device, which solves the problem that the existing power transformer power frequency withstand voltage tester usually does not have a structure to organize the connecting wires, and multiple sets of connecting wires may become tangled during the test.

[0007] The technical solution of this utility model is as follows: including...

[0008] A base and a test equipment body, wherein the test equipment body is mounted on the base;

[0009] A wiring fixing assembly is disposed on the surface of the base;

[0010] An outer shield and a telescopic protective assembly, wherein the outer shield is disposed on the surface of the base and the telescopic protective assembly is disposed inside the outer shield;

[0011] A movable stabilizing component is disposed at the bottom of the base;

[0012] The line fixing assembly includes a column, which is fixed to the surface of the base. A transmission groove is provided at the upper end of the column, and a connecting rod is movably connected in the transmission groove. A fixing frame is provided at the upper end of the connecting rod, and several wire grooves are provided on the surface of the fixing frame.

[0013] As a further technical solution, a pair of springs are provided at both ends of the inner surface of the fixing frame, and a pressing frame is rotatably connected to the top end of the fixing frame via a pin. Several protrusions are provided on the side surface of the pressing frame.

[0014] As a further technical solution, a notch is provided at one end of the top of the fixing frame, a slot is provided at one end of the bottom surface of the fixing frame, and a hook is rotatably connected to the top of the pressing frame via a pin, the hook matching the slot structure.

[0015] As a further technical solution, the telescopic protective assembly includes a movable cavity, which is opened inside the outer cover. An extension plate is movably connected inside the movable cavity. A pair of elongated holes are opened on the inner surface of the movable cavity. A fastening bolt is rotatably connected to the surface of the extension plate by a pin. The fastening bolt is fitted into the elongated hole. A pair of telescopic rods are connected between the extension plate and the base plate.

[0016] As a further technical solution, the movable stabilizing component includes several movable wheels, which are located at the four opposite corners of the bottom surface of the base. The bottom of the base has a bottom groove, and a vertical screw is screwed into the base.

[0017] As a further technical solution, the base surface is movably connected with several movable rods, which are located at the four opposite corners of the vertical screw, and the lower end of each movable rod is fixedly connected to a support plate.

[0018] As a further technical solution, the support plate is rotatably connected to the lower end of the vertical screw, the upper surface of the support plate is fixedly connected to the lower end of the movable rod, and a top plate is rotatably connected to the upper end of the vertical screw, with the top plate fixedly connected to the upper end of the movable rod.

[0019] As a further technical solution, the transmission groove and the connecting rod have a rectangular cross-section, and the column is externally connected to a fixing bolt by threaded screws.

[0020] As a further technical solution, the number of the protrusions is the same as the number of the grooves, and the protrusions are made of rubber.

[0021] The working principle and beneficial effects of this utility model are as follows:

[0022] 1. This utility model is equipped with a line fixing component. Through the interaction of structures such as columns, connecting rods, wire grooves, springs, pressing frames and protrusions, multiple lines can be pressed and fixed. The height of the lines can be adjusted within a certain range, and the clamped lines will not loosen.

[0023] 2. This utility model is equipped with a telescopic protective component. Through the interaction of structures such as the movable cavity, extension plate, elongated hole, fastening bolt, and telescopic rod, an additional layer of protection can be added to the outside of the test equipment body by the cooperation of the outer cover and the extension plate. Moreover, the protection height can be adjusted, which has a very good protective effect. Attached Figure Description

[0024] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0025] Figure 1 This is a schematic diagram of the structure of this utility model;

[0026] Figure 2 This is an isometric drawing of the present invention;

[0027] Figure 3 This is an isometric sectional view of the present invention;

[0028] Figure 4 Appendix to this utility model Figure 3 Enlarged view of part A in the middle;

[0029] In the diagram: 1. Base; 2. Test equipment body; 3. Outer cover; 4. Line fixing assembly; 4-1. Column; 4-2. Transmission groove; 4-3. Connecting rod; 4-4. Fixing frame; 4-5. Wire groove; 4-6. Spring; 4-7. Pressing frame; 4-8. Protrusion; 4-9. Notch; 4-10. Slot; 4-11. Hook; 5. Telescopic protective assembly; 5-1. Movable cavity; 5-2. Extension plate; 5-3. Long hole; 5-4. Fastening bolt; 5-5. Telescopic rod; 6. Moving and stabilizing assembly; 6-1. Moving wheel; 6-2. Bottom groove; 6-3. Vertical screw; 6-4. Movable rod; 6-5. Support plate; 6-6. Top plate; 7. Fixing bolt. Detailed Implementation

[0030] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0031] like Figures 1-4 As shown, this embodiment proposes a transformer power frequency withstand voltage test device, including...

[0032] The base 1 and the test equipment body 2 are mounted on the base 1;

[0033] Line fixing component 4 is disposed on the surface of base 1;

[0034] The outer cover 3 and the telescopic protective component 5 are provided. The outer cover 3 is disposed on the surface of the base 1, and the telescopic protective component 5 is disposed inside the outer cover 3.

[0035] Movable stabilizing component 6 is installed at the bottom of base 1;

[0036] The line fixing assembly 4 includes a column 4-1, which is fixed to the surface of the base 1. The upper end of the column 4-1 has a transmission groove 4-2, and a connecting rod 4-3 is movably connected inside the transmission groove 4-2. A fixing frame 4-4 is provided at the upper end of the connecting rod 4-3. Several wire grooves 4-5 are provided on the surface of the fixing frame 4-4. A pair of springs 4-6 are provided at both ends of the inner surface of the fixing frame 4-4. A pressing frame 4-7 is rotatably connected to the top end of the fixing frame 4-4 through a pin. Several protrusions 4-8 are provided on the side surface of the pressing frame 4-7. A notch 4-9 is provided at the top end of the fixing frame 4-4. A slot 4-10 is provided at the bottom end of the fixing frame 4-4. A hook 4-11 is rotatably connected to the top of the pressing frame 4-7 through a pin. The hook 4-11 and the slot 4-10 are structurally matched.

[0037] In this embodiment, in order to achieve the effect of fixing the connecting line with adjustable angle and height, a line fixing component 4 is designed. The surface of the base 1 is provided with a column 4-1. The top of the column 4-1 is provided with a transmission groove 4-2 and a connecting rod 4-3 is installed inside. The upper end of the connecting rod 4-3 is provided with a fixing frame 4-4 and multiple wire grooves 4-5 are provided. The wire grooves 4-5 are used to put the wire. The top of the fixing frame 4-4 is provided with multiple springs 4-6. The top side is rotatably connected to a pressing frame 4-7 through a pin and has multiple protrusions 4-8 on its surface. After the pressing frame 4-7 is closed, the wire can be pressed into the wire groove 4-5 through the protrusions 4-8. One end of the fixing frame 4-4 is provided with a notch 4-9 and the bottom is provided with a slot 4-10. The top of the pressing frame 4-7 is rotatably connected to a hook 4-11 through a pin. After the pressing frame 4-7 is pressed, the hook 4-11 can be put into the slot 4-10.

[0038] Furthermore, the telescopic protective assembly 5 includes a movable cavity 5-1, which is opened inside the outer cover 3. An extension plate 5-2 is movably connected inside the movable cavity 5-1. A pair of elongated holes 5-3 are opened on the inner surface of the movable cavity 5-1. A fastening bolt 5-4 is rotatably connected to the surface of the extension plate 5-2 by a pin. The fastening bolt 5-4 is fitted into the elongated holes 5-3. A pair of telescopic rods 5-5 are connected between the extension plate 5-2 and the base plate.

[0039] In this embodiment, to achieve a protective effect, a telescopic protective component 5 is designed. A movable cavity 5-1 is provided inward from the top of the outer cover 3. An extension plate 5-2 is fitted inside the movable cavity 5-1. Two telescopic rods 5-5 are connected between the extension plate 5-2 and the base 1 to cooperate with the up and down movement of the extension plate 5-2 to enhance the connection and stability. The extension plate 5-2 can increase the protective height. Two elongated holes 5-3 are provided inside the movable cavity 5-1. Two fastening bolts 5-4 are screwed onto the surface of the extension plate 5-2. The fastening bolts 5-4 are fitted into the elongated holes 5-3 and can be tightened to fix the height of the extension plate 5-2.

[0040] Furthermore, the movable stabilizing component 6 includes several movable wheels 6-1, which are located at the four opposite corners of the bottom surface of the base 1. The bottom of the base 1 has a bottom groove 6-2. A vertical screw 6-3 is screwed into the base 1. Several movable rods 6-4 are movably connected to the surface of the base 1. The movable rods 6-4 are located at the four opposite corners of the vertical screw 6-3. A support plate 6-5 is fixedly connected to the lower end of the movable rod 6-4. The support plate 6-5 is rotatably connected to the lower end of the vertical screw 6-3. The upper surface of the support plate 6-5 is fixedly connected to the lower end of the movable rod 6-4. A top plate 6-6 is rotatably connected to the upper end of the vertical screw 6-3. The top plate 6-6 is fixedly connected to the upper end of the movable rod 6-4.

[0041] In this embodiment, in order to achieve the effect of movable and stable support of the base 1, a movable stabilizing component 6 is designed. Multiple movable wheels 6-1 are provided at the bottom of the base 1, which can move on the ground. The bottom of the base 1 has a bottom groove 6-2 and a vertical screw 6-3 and multiple movable rods 6-4 are connected inside. A top plate 6-6 and a support plate 6-5 are respectively provided at the upper and lower ends of the vertical screw 6-3 and the movable rods 6-4. The height of the support plate 6-5 can be adjusted by turning the vertical screw 6-3. The support plate 6-5 can support the base 1 on the ground and fix the base 1.

[0042] Furthermore, the transmission groove 4-2 and the connecting rod 4-3 have rectangular cross-sections, and the column 4-1 is externally connected to a fixing bolt 7 by threaded screwing.

[0043] In this embodiment, the rectangular structure allows the connecting rod 4-3 to move vertically up and down within the transmission groove 4-2, and a fixing bolt 7 is screwed onto the outside of the column 4-1 to fix the height of the connecting rod 4-3.

[0044] Furthermore, the number of raised strips 4-8 is the same as that of the grooves 4-5, and the raised strips 4-8 are made of rubber.

[0045] In this embodiment, the rubber material structure can deform after the circuit is compressed, which can increase the fastening effect.

[0046] When needed, move the device on the ground using the caster 6-1. Once in the desired position, turn the vertical screw 6-3 to move the support plate 6-5 downwards and place it against the ground. When operating the test equipment body 2, place the connected wires in the wire groove 4-5 of the fixed frame 4-4. Adjust the height of the wires by pushing and pulling the connecting rod 4-3. After adjustment, tighten the fixing bolt 7. After placing the wires, close the pressing frame 4-7 downwards. The pressing frame 4-7 is fixed to the wire groove 4-5 by the protrusion 4-8. Insert the hook 4-11 into the slot 4-10. Then, operate the test equipment body 2. If protection is required, pull the extension plate 5-2 upwards and tighten the fixing bolt 5-4.

[0047] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A power frequency voltage withstand test device for a transformer, characterized by Comprising The base (1) and the test equipment body (2) are installed on the base (1); The line fixing assembly (4) is arranged on the surface of the base (1); The outer cover (3) and the telescopic protection assembly (5) are arranged on the surface of the base (1), and the telescopic protection assembly (5) is arranged in the outer cover (3); The movement stabilizing assembly (6) is arranged at the bottom of the base (1); The line fixing assembly (4) includes a stand (4-1) fixed on the surface of the base (1), an upper end of the stand (4-1) is provided with a transmission groove (4-2), a connecting rod (4-3) is movably connected in the transmission groove (4-2), a fixed frame (4-4) is arranged on the upper end of the connecting rod (4-3), and a plurality of line grooves (4-5) are arranged on the surface of the fixed frame (4-4).

2. A power frequency voltage withstand test apparatus for a transformer according to claim 1, characterized by A pair of springs (4-6) are arranged at both ends of the inner surface of the fixed frame (4-4), a pressing frame (4-7) is rotatably connected to one end of the top of the fixed frame (4-4) through a pin shaft, and a plurality of convex strips (4-8) are arranged on the side surface of the pressing frame (4-7).

3. A power frequency voltage withstand test apparatus for a transformer according to claim 2, characterized by An opening (4-9) is arranged at one end of the top of the fixed frame (4-4), a clamping groove (4-10) is arranged at one end of the bottom surface of the fixed frame (4-4), a hook (4-11) is rotatably connected to the top of the pressing frame (4-7) through a pin shaft, and the hook (4-11) is matched with the clamping groove (4-10).

4. The transformer power frequency voltage withstand test apparatus according to claim 1, characterized by The telescopic protection assembly (5) includes a movable cavity (5-1) arranged in the outer cover (3), an extension plate (5-2) is movably connected in the movable cavity (5-1), a pair of long holes (5-3) are arranged on the inner surface of the movable cavity (5-1), a fastening bolt (5-4) is rotatably connected to the surface of the extension plate (5-2) through a pin shaft, the fastening bolt (5-4) is sleeved in the long hole (5-3), and a pair of telescopic rods (5-5) are connected between the extension plate (5-2) and the base (1).

5. The transformer power frequency voltage withstand test apparatus according to claim 1, wherein The movement stabilizing assembly (6) includes a plurality of moving wheels (6-1) arranged at the bottom surface of the base (1) at opposite corners, a bottom groove (6-2) is arranged at the bottom of the base (1), and a vertical screw rod (6-3) is threadedly connected in the base (1).

6. A power frequency voltage withstand test apparatus for a transformer according to claim 5, wherein A plurality of movable rods (6-4) are movably connected to the surface of the base (1), the movable rods (6-4) are located at opposite corners of the vertical screw rod (6-3), and a support plate (6-5) is fixedly connected to the lower end of the movable rod (6-4).

7. A power frequency voltage withstand test apparatus for a transformer according to claim 6, wherein The support plate (6-5) is rotatably connected to the lower end of the vertical screw rod (6-3), the upper surface of the support plate (6-5) is fixedly connected to the lower end of the movable rod (6-4), the upper end of the vertical screw rod (6-3) is rotatably connected to a top plate (6-6), and the top plate (6-6) is fixedly connected to the upper end of the movable rod (6-4).

8. The transformer power frequency voltage withstand test apparatus according to claim 1, wherein The transmission groove (4-2) and the connecting rod (4-3) are in a rectangular structure in cross section, and a fixed bolt (7) is screwed outside the column (4-1).

9. The transformer power frequency voltage withstand test apparatus according to claim 2, wherein The number of the convex strips (4-8) is the same as that of the wire slots (4-5), and the convex strips (4-8) are in a rubber material structure.

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