Rapid detection device for voltage-withstanding partial discharge of cable pillar sleeve

Abstract

The utility model discloses a cable pillar sleeve voltage withstanding partial discharge rapid detection device comprising a test rack, a test assembly and a grounding assembly, and the test rack is provided with a plurality of installation holes used for installing a to-be-tested sleeve; the test assembly comprises a plurality of test rods, and the test rods are in one-to-one correspondence with to-be-tested sleeves; one end of each test rod is connected with the corresponding to-be-tested sleeve, and the other end of each test rod is connected with the same high-voltage inlet wire; each test rod is sleeved with an insulating sleeve. And each to-be-tested sleeve is grounded through the grounding assembly. The device has the advantages of simple structure, high detection efficiency and the like.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to cable support sleeve technical field, concretely relates to a cable support sleeve withstand voltage partial discharge quick detection device. BACKGROUND

[0002] At present, the cable support sleeve cannot be directly subjected to withstand voltage partial discharge test without the help of tools due to the structural relationship. The national standard clearly points out that the minimum air gap of 12kV epoxy resin insulation part relative to the ground shall meet: not less than 125mm. The test staff often uses an insulating bucket (bucket height 140mm) as an auxiliary tool during the test, and the test product is placed on the insulating bucket for testing, and only one can be tested at a time, which is low in efficiency and not easy to place stably and prone to falling. UTILITY MODEL CONTENTS

[0003] In view of the technical problems existing in the prior art, the utility model provides a cable support sleeve withstand voltage partial discharge quick detection device which is simple in structure and high in detection efficiency.

[0004] To solve the above technical problems, the utility model provides the technical scheme as follows:

[0005] A cable support sleeve withstand voltage partial discharge quick detection device, comprising a test frame, a test assembly and a grounding assembly, a plurality of mounting holes for mounting the to-be-tested sleeve are arranged on the test frame; the test assembly comprises a plurality of test rods, and the test rods are in one-to-one correspondence with the to-be-tested sleeves; one end of each of the test rods is connected with the corresponding to-be-tested sleeve, and the other end of the test rod is connected with the same high-voltage incoming line; an insulating sleeve is arranged on each of the test rods; and each of the to-be-tested sleeves is grounded through the grounding assembly.

[0006] As a further improvement of the above technical scheme:

[0007] One end of the test rod is provided with external threads, and the end of the test rod provided with external threads is threadedly connected with the threaded hole of the to-be-tested sleeve.

[0008] One end of the insulating sleeve is sleeved on one end of the to-be-tested sleeve.

[0009] The other end of the test rod is provided with a limiting assembly for axially limiting the insulating sleeve.

[0010] The limiting assembly comprises a limiting hole and a split pin; the limiting hole is located at the other end of the test rod, and the split pin is located in the limiting hole.

[0011] The grounding assembly comprises a plurality of grounding screws, and the grounding screws are in one-to-one correspondence with the to-be-tested sleeves; each of the grounding screws is inserted into the grounding hole of the corresponding to-be-tested sleeve; and the grounding screws are connected through grounding wires and grounded.

[0012] The insulating sleeve is a rubber sleeve.

[0013] The test frame is welded by stainless steel plates.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The cable support sleeve withstand voltage partial discharge rapid detection device of the utility model, through the stable installation of multiple sleeve pipes by the test frame, then connecting by multiple test rods for batch testing, can improve the detection efficiency; the installation of the above-mentioned sleeve pipe and test rod is simple and fast, further improve the detection efficiency. Through the above-mentioned partial discharge detection of the sleeve pipe, potential insulation defects can be found or prevented, and the reliability and safety of the power grid are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the detection device of the utility model in the embodiment of the stereogram.

[0017] Figure 2 It is the sectional structure diagram of the detection device of the utility model in the embodiment.

[0018] Figure 3 It is the structure diagram of the test frame of the utility model in the embodiment.

[0019] Figure 4 It is the structure diagram of the test rod of the utility model in the embodiment.

[0020] Figure 5 It is the structure diagram of the insulating sleeve of the utility model in the embodiment.

[0021] Figure 6 It is the sectional view of the test rod and the insulating sleeve of the utility model after assembly.

[0022] Legend: 1, test frame; 101, mounting hole; 2, test assembly; 201, test rod; 2011, limiting assembly; 20111, limiting hole; 20112, split pin; 202, insulating sleeve; 3, grounding assembly; 301, grounding screw; 4, sleeve pipe. DETAILED DESCRIPTION

[0023] The utility model will be further described below in combination with the drawings and specific embodiments.

[0024] As Figure 1 And Figure 2As shown, the cable support sleeve withstand voltage partial discharge rapid detection device of the embodiment of the utility model, including test frame 1, test assembly 2 and grounding assembly 3, be equipped with multiple installation holes 101 for installing the sleeve 4 to be measured on test frame 1;Test assembly 2 includes multiple test rods 201, and test rod 201 corresponds to the sleeve 4 to be measured one by one;The one end of multiple test rods 201 is connected with the corresponding sleeve 4 to be measured, and the other end of test rod 201 is connected with the same high-voltage incoming line;Insulating sleeve 202 is provided on each test rod 201;Each sleeve 4 to be measured is grounded through grounding assembly 3.

[0025] The cable support sleeve withstand voltage partial discharge rapid detection device of the utility model can improve the detection efficiency by stably installing multiple sleeves 4 on test frame 1 and connecting multiple test rods 201 for batch testing. The sleeve 4 and the test rod 201 are simple and quick to install, further improving the detection efficiency. The partial discharge detection of the sleeve 4 can find or prevent potential insulation defects, improving the reliability and safety of the power grid.

[0026] As shown in the specific embodiment, Figure 4 The one end of test rod 201 is provided with external threads, and the one end of test rod 201 provided with external threads is threadedly connected with the threaded hole of the sleeve 4 to be measured. During specific installation, the one end of test rod 201 provided with external threads needs to be screwed into the threaded hole and tightened, and the test rod 201 needs to be ensured in a horizontal state. Figures 5-6 As shown, the insulating sleeve 202 is integrally provided on the test rod 201, and one end of the insulating sleeve 202 is provided on one end of the sleeve 4 to be measured. The insulating sleeve 202 is a rubber sleeve. The insulating sleeve 202 can effectively prevent discharge caused by external factors during test voltage rise, has insulation effect, and ensures the reliability of the test.

[0027] In a specific embodiment, the other end of test rod 201 is provided with a limiting assembly 2011 for axially limiting the insulating sleeve 202. Specifically, the limiting assembly 2011 includes a limiting hole 20111 and a split pin 20112. The limiting hole 20111 is located at the other end of the test rod 201, and the split pin 20112 is located in the limiting hole 20111. The split pin 20112 limits the insulating sleeve 202, ensuring the stability and reliability of the installation of the insulating sleeve 202. The above-mentioned limiting assembly 2011 is simple in structure and easy to implement.

[0028] In a specific embodiment, the grounding assembly 3 includes multiple quick-insert grounding screws 301, and the multiple grounding screws 301 correspond to the sleeve 4 to be measured one by one. Each grounding screw 301 is inserted into the grounding hole of the corresponding sleeve 4 to be measured. The grounding screws 301 are connected by a grounding wire and grounded.

[0029] In a specific embodiment, as shown in the specific embodiment, Figure 3As shown, the test frame 1 is welded by stainless steel plate as the fixed base of the detection device, wherein the vertical support rod is arranged on the test frame 1 and is hinged to the support plate of the test frame 1, mainly supporting the gravity center of the assembled sleeve 4 stable.

[0030] The use process is as follows: firstly, the sleeve 4 is taken out, the test frame 1 is placed in the test position, the sleeve 4 is inserted into the mounting hole 101 from the rear of the test frame 1, and then the sleeve 4 is fastened on the test frame 1 by screws.

[0031] The threaded end of the test rod 201 is screwed into the threaded hole of the sleeve 4, then the rubber sleeve is installed, the rubber sleeve is pushed towards the sleeve 4, after the limiting hole 20111 of the test piece leaks out of the rubber sleeve, the split pin 20112 is inserted and tightly inserted, and then the hand is released; the quick-insertion grounding screw 301 is inserted into the grounding hole of the sleeve 4, and the assembly is completed, and corresponding test is carried out.

[0032] The detection device has the advantages of simple overall structure, simple and efficient operation, and safer and more reliable test (the sleeve 4 cannot be easily dropped to cause damage after being fixed).

[0033] In the description of the utility model, it should be understood that the directions or position relations indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a specific direction, a specific direction structure and operation, and therefore cannot be understood as limiting the utility model.

[0034] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0035] In the utility model, unless otherwise specifically defined and limited, the terms "assembly", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication or interaction relationship between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0036] The above are only preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments, and any technical scheme falling within the concept of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary skilled persons in the art, some improvements and refinements without departing from the principles of the present application are deemed to be within the protection scope of the present application.

Claims

1. A kind of cable support sleeve pressure withstand partial discharge quick detection device, it is characterized in that, The utility model relates to a test frame, test assembly and grounding assembly, the test frame (1) is equipped with a plurality of mounting holes (101) for installing the sleeve (4) to be tested, the test assembly (2) includes a plurality of test rods (201), the test rod (201) corresponds to the sleeve (4) to be tested one by one, one end of a plurality of test rods (201) is connected with the sleeve (4) to be tested, the other end of the test rod (201) is connected with the same high voltage incoming line, the test rod (201) is equipped with the insulating sleeve (202), and the sleeve (4) to be tested is grounded through the grounding assembly (3).

2. The device according to claim 1, wherein, One end of the test rod (201) is provided with external threads, and the end of the test rod (201) provided with external threads is screw-connected with a threaded hole of the sleeve (4) to be tested.

3. The device for rapid detection of the pressure-withstand partial discharge of the cable support bushing according to claim 1 or 2, characterized in that, One end of the test rod (201) is provided with external threads, and the end of the test rod (201) provided with external threads is screw-connected with a threaded hole of the sleeve (4) to be tested.

4. The device according to claim 3, characterized in that, The other end of the test rod (201) is provided with a limiting assembly (2011) for axially limiting the insulating sleeve (202).

5. The device according to claim 4, wherein, The limiting assembly (2011) includes a limiting hole (20111) and a split pin (20112), the limiting hole (20111) is located at the other end of the test rod (201), and the split pin (20112) is located in the limiting hole (20111).

6. The device according to claim 1 or 2, wherein The grounding assembly (3) includes a plurality of grounding screws (301), and the plurality of grounding screws (301) correspond to the sleeve (4) to be tested one by one, each grounding screw (301) is inserted into a grounding hole of the corresponding sleeve (4) to be tested, and the grounding screws (301) are connected by a grounding wire and grounded.

7. The device according to claim 1 or 2, wherein The insulating sleeve (202) is a rubber sleeve.

8. The device according to claim 1 or 2, wherein The test frame (1) is welded by a stainless steel plate.

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