Insulator electromechanical test tool

Abstract

The utility model belongs to the technical field of insulator electromechanical performance detection, and particularly relates to an insulator electromechanical test tool, which comprises a vertical tensile machine, and is characterized in that the left side and the right side of an operation space of the vertical tensile machine are respectively provided with an insulating baffle plate; the upper part of the to-be-tested insulator is connected with an upper chuck of the vertical tensile machine through the electromechanical universal connecting piece and the protective insulator, the lower part of the to-be-tested insulator is connected with a lower chuck of the vertical tensile machine, and the protective insulator and the to-be-tested insulator are matched with the chuck structure of the vertical tensile machine; the high-voltage transformer is connected with the electromechanical universal connecting piece through a wire, and the lower chuck is grounded. The device has the beneficial effects that the device is simple in structure and convenient to use, an electrical performance test structure is integrated on a tension tester for carrying out a tension test on an insulator, the electrical performance test can be continuously finished after the tension test is finished on the insulator, secondary displacement and secondary clamping are not needed, and the test efficiency is improved. And the electromechanical detection efficiency of the insulator is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of insulator electromechanical performance detection, especially relates to a kind of insulator electromechanical test tooling. BACKGROUND

[0002] The role of insulators in the power industry is crucial, as they are critical components for ensuring the safe and stable operation of power equipment and lines. The safety performance of insulators is crucial for the normal operation of the power system. Among them, insulator tension test is an important method for detecting the mechanical properties of insulators, and plays a very important role in the research, manufacturing and use of insulators.

[0003] Insulator tension test method: Insulator tension test can be carried out by mechanical tension testing machine or electronic tension testing machine, and the test method should comply with relevant national standards and power industry standards, such as GB19519-2004 "Composite insulator for high voltage electrical equipment", GB / T23100-2008 "Test method for type, rated mechanical stress and electrical characteristics of ceramic and glass insulators for high voltage transmission", etc. Test result determination: The results of insulator tension test should comply with the relevant standards, and the test results should be recorded for reference. If the sample is broken, cracked, deformed or other phenomena, it is considered as unqualified test. Insulation resistance test: By measuring the resistance value between the two ends of the insulator, its insulation performance is evaluated. During testing, the insulator should be placed in a dry and clean environment to avoid the influence of external factors on the test results. Power frequency withstand voltage test: Apply a certain frequency of alternating voltage to both ends of the insulator and observe whether breakdown occurs. During testing, the appropriate test voltage and time should be set according to the rated voltage and insulation level of the insulator.

[0004] The utility model discloses a kind of insulator tension testing machines of Chinese utility model patent No.201721211973.5, including detected insulator, insulator bottom support, insulator series clamping nail, end fixed seat and end tension test seat, end fixed seat and end tension test seat are respectively located at the both ends of insulator bottom support, the number of detected insulator is multiple, and multiple detected insulators are connected in series by insulator series clamping nail. There is no tooling equipment that can complete insulator tension and electrical performance test simultaneously, and two kinds of test procedures need to be completed on two sets of tooling, with very low detection efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of insulator electromechanical test tooling, overcome the deficiency of prior art, on the tension machine of insulator tension test, integrate electrical performance test structure, after completing tension test to insulator, electrical performance test can be continued, without second displacement and second clamping, improve detection efficiency.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme realizes:

[0007] The insulator electromechanical test tool comprises a vertical tension testing machine, characterized in that the left and right sides of the operation space of the vertical tension testing machine are respectively provided with insulating baffles, the upper portion of the to-be-tested insulator is sequentially connected with the upper chuck of the vertical tension testing machine through a general electromechanical connecting piece and a protective insulator, the lower portion of the to-be-tested insulator is connected with the lower chuck of the vertical tension testing machine, the upper connecting piece of the protective insulator and the lower connecting piece of the to-be-tested insulator are matched with the chuck structure of the vertical tension testing machine, the high-voltage output end of the high-voltage transformer is connected with the general electromechanical connecting piece through a wire, and the lower chuck of the vertical tension testing machine is grounded.

[0008] Further, the general electromechanical connecting piece comprises a tension bowl I and a threaded connecting rod, the threaded connecting rod is a combination of a screw rod end and an ear plate or a combination of a screw rod end and a suspension end, a threaded hole is arranged on the tension bowl I and connected with the threaded connecting rod, and an electrode screw is arranged on the tension bowl.

[0009] Further, the top of the insulating baffle is provided with an L-shaped hook, and the bottom is provided with an opening, and the size of the insulating baffle is 830*530*5mm.

[0010] Further, the upper connecting piece is a combination of a light rod end and a suspension end, and the lower connecting piece comprises a tension bowl II and a pull rod, the pull rod is a combination of a light rod end and a screw rod segment or a combination of a light rod end and a fork ear plate.

[0011] Further, the applicable specification of the to-be-tested insulator is 70-300kN.

[0012] Further, the specification of the vertical tension testing machine is 60 tons, the high-voltage transformer is a 100-kilovolt transformer, and the applicable specification of the protective insulator is 70-300kN.

[0013] Further, the insulating baffle is any one of a phenolic resin plate and an epoxy resin plate, and the general electromechanical connecting piece is a stainless steel or aluminum alloy workpiece.

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

[0015] 1) The device has simple structure and is convenient to use, the electrical performance test structure is integrated on the tension testing machine for testing the insulator, and after the tension test of the insulator is completed, the electrical performance test can be continuously completed;

[0016] 2) The device can be extended to be applicable to various insulator models, and the advantage is more obvious for batch detection of the insulator, and the device does not need to be shifted and clamped twice, so that the electromechanical detection efficiency of the insulator is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a use state schematic diagram of an embodiment of the utility model;

[0018] Figure 2 is a structure schematic diagram of a tension bowl one in an embodiment of the utility model;

[0019] Figure 3 is a structure schematic diagram of a tension bowl two in an embodiment of the utility model;

[0020] Figure 4 is a structure schematic diagram of a threaded connecting rod embodiment one in an embodiment of the utility model;

[0021] Figure 5 is a structure schematic diagram of a threaded connecting rod embodiment two in an embodiment of the utility model;

[0022] Figure 6 is a structure schematic diagram of a tension rod embodiment one in an embodiment of the utility model;

[0023] Figure 7 is a structure schematic diagram of a tension rod embodiment two in an embodiment of the utility model;

[0024] Figure 8 is a structure schematic diagram of an insulation baffle in an embodiment of the utility model.

[0025] In the drawing: 1-vertical tension machine, 2-insulation baffle, 3-mechanical and electrical universal connecting piece, 4-protection insulator, 5-insulator to be measured, 6-upper chuck, 7-lower chuck, 8-upper connecting piece, 9-lower connecting piece, 10-high voltage transformer, 11-conductor, 12-threaded rod, 13-ear plate, 14-electrode screw, 15-tension bowl one, 16-hanging end, 17-fork ear plate, 18-tension bowl two, 19-light pole end, 20-screw rod section. DETAILED DESCRIPTION

[0026] The technical solutions of the utility model will be described clearly and completely below in combination with specific embodiments. Obviously, the described embodiments are some of the embodiments of the utility model, not all the embodiments.

[0027] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the specific embodiments needed to be used in the specific embodiments or the prior art description will be simply introduced below. Obviously, the specific embodiments described below are some of the embodiments of the utility model. For those skilled in the art, other specific embodiments can also be obtained from these specific embodiments without creative labor.

[0028] The components of the embodiments of the present application generally described and shown herein can be arranged and designed in countless different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the specific embodiments is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the present application.

[0029] See Figures 1-8 , the utility model discloses a mechanical test tooling embodiment structure schematic diagram of insulator, including vertical tension machine 1, and the left and right sides of the operation space of vertical tension machine 1 are equipped with insulating baffle 2 respectively, and the upper portion of the insulating baffle 2 is equipped with L-shaped hook, and the bottom is opened with the gap, and the size of the insulating baffle 2 is 830*530*5mm. The insulating baffle 2 is any one in phenolic resin plate, epoxy resin plate. The specification of vertical tension machine 1 suitable for the embodiment of the utility model is 60 tons. The high voltage transformer is 100 kilovolt transformer. The applicable specification of the insulating sub 5 to be measured is 70-300kN.

[0030] The insulating baffle 2 is any one in phenolic resin plate, epoxy resin plate. The specification of vertical tension machine 1 suitable for the embodiment of the utility model is 60 tons. The high voltage transformer is 100 kilovolt transformer. The applicable specification of the insulating sub 5 to be measured is 70-300kN.

[0031] The electromechanical connector 3 includes a tension bowl and a threaded connecting rod, and the threaded connecting rod is a combination of a screw end 12 and an ear plate 13, or a combination of a screw end 12 and a hanging end 16, and a threaded hole is arranged on the tension bowl to be connected with the threaded connecting rod, and an electrode screw 14 is arranged on the tension bowl.

[0032] The upper connecting piece 8 is a combination of a light rod end and a hanging end; the lower connecting piece 9 includes a tension bowl and a pull rod, and the pull rod is a combination of a light rod end 19 and a screw rod segment 20, or a combination of a light rod end 19 and a fork ear plate 17. The structure of the electromechanical connector 3 and the lower connecting piece 9 is matched and selected according to the model of the insulating sub 5 to be measured.

[0033] The utility model embodiment uses, hangs two insulating baffles 2 on the upper clamp head 6, and the two insulating baffles 2 are located on the left and right sides of the operation space of vertical tension machine 1 respectively, to strengthen insulation and avoid the discharge of the test product to the test machine column. The upper connecting piece 8, the protective insulating sub 4, the electromechanical connector 3, the insulating sub 5 to be measured, the lower connecting piece 9 are connected in sequence, and the high voltage output end of the high voltage transformer 10 is connected with the electromechanical connector 3 through the wire 11, and the lower clamp head 7 of the vertical tension machine 1 is grounded. Figure 1The connection in the shown order is completed. The high-voltage transformer output line is connected to the electromechanical universal connector, and the voltage is raised to the standard required value. The test control system is started, the test loading program is set, and the test is started. When the insulator is broken down, the high-voltage transformer is tripped, and the test machine force value at this time is recorded, which is the electromechanical breaking load of the insulator.

[0034] In the batch detection work of the insulator, the advantage of the utility model is very obvious, and secondary displacement and secondary clamping are not needed, so that the detection efficiency of the existing insulator detection link can be greatly improved.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An insulator electro-mechanical test fixture comprising a vertical tension machine, characterized in that, The left and right sides of the operation space of the vertical tension machine are respectively provided with insulating baffle plates, the upper part of the to-be-tested insulator is connected with the upper chuck of the vertical tension machine through the electromechanical universal connecting piece and the protective insulator in sequence, the lower part of the to-be-tested insulator is connected with the lower chuck of the vertical tension machine, the upper connecting piece of the protective insulator and the lower connecting piece of the to-be-tested insulator are matched with the chuck structure of the vertical tension machine; the high-voltage output end of the high-voltage transformer is connected with the electromechanical universal connecting piece through a wire, and the lower chuck of the vertical tension machine is grounded.

2. The machine electro-test tooling for insulators of claim 1, wherein, The electromechanical universal connecting piece comprises a tension bowl one and a threaded connecting rod, the threaded connecting rod is a combination of a screw rod end and an ear plate or a combination of a screw rod end and a suspension end, a threaded hole is arranged on the tension bowl one and connected with the threaded connecting rod, and an electrode screw is arranged on the tension bowl.

3. The machine electro-test tooling for insulators of claim 1, wherein, The top of the insulating baffle plate is provided with an L-shaped hook, and the bottom is provided with an opening, and the size of the insulating baffle plate is 830*530*5mm.

4. The machine electrical test kit for insulators of claim 1, wherein, The upper connecting piece is a combination of a light rod end and a suspension end; the lower connecting piece comprises a tension bowl two and a pull rod, the pull rod is a combination of a light rod end and a screw rod segment or a combination of a light rod end and a fork ear plate.

5. The machine electrical test kit for insulators of claim 1, wherein, The applicable specification of the to-be-tested insulator is 70-300kN.

6. The machine electro-test tooling for insulators of claim 1, wherein, The specification of the vertical tension machine is 60 tons; the high-voltage transformer is a 100-kilovolt transformer; and the applicable specification of the protective insulator is 70-300kN.

7. The machine electro-test tooling for insulators of claim 1, wherein, The insulating baffle plate is any one of a phenolic resin plate and an epoxy resin plate; and the electromechanical universal connecting piece is a stainless steel or aluminum alloy workpiece.

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