A testing device for composite insulation cross-arm insulator

Abstract

The present invention discloses a testing device for a composite insulating cross-arm insulator, which relates to the field related to power transmission and includes a first detection substrate, a second detection substrate is arranged at the front end of the first detection substrate, a detection mechanism is arranged at the end of the first detection substrate away from the second detection substrate, the first detection substrate includes a first detection bracket, a detection observation groove is opened at the bottom end of the first detection bracket, a first detection hook is arranged at the end of the first detection bracket away from the detection observation groove, the second detection substrate includes a second detection bracket, and a second detection hook is arranged at the top of the second detection bracket; at the same time, when the present invention is in use, by providing a mobile voltage control device, the output voltage and current of the detection mechanism can be flexibly adjusted, thereby realizing accurate detection of the limit of the insulator, and the switching is simple, the operation difficulty is low, the built-in detection mechanism has high accuracy, and the structure is not complicated, thereby reducing the production cost.

Description

Technical Field

[0001] The invention relates to the field related to power transmission, and in particular to a testing device for a composite insulating cross-arm insulator. Background Art

[0002] Insulators used for overhead lines are called line insulators, and insulators used to support busbars or isolating switches in power stations are called power station support insulators. According to different uses, line insulators can be divided into several different types, namely suspension insulators and tension insulators. According to the insulation materials used, insulators can be divided into three categories: porcelain, glass and composite insulators. According to the specific structure of the insulator, it can be divided into two categories: line insulators and power station insulators.

[0003] In the prior art, the insulation performance of insulators needs to be tested, and insulation performance tests are also required in actual production before they can be put on the market. Summary of the invention

[0004] In order to solve the deficiencies mentioned in the above background technology, the purpose of the present invention is to provide a test device for composite insulating cross-arm insulators. The present invention aims to provide a simple test device for insulators with various tolerance limits, which can test the insulation performance of various insulators.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] A testing device for a composite insulating cross-arm insulator comprises a first testing substrate, a second testing substrate is arranged at the front end of the first testing substrate, and a testing mechanism is arranged at one end of the first testing substrate away from the second testing substrate.

[0007] Furthermore, the first detection substrate includes a first detection bracket, a detection observation slot is provided at the bottom end of the first detection bracket, and a first detection hook is provided at one end of the first detection bracket away from the detection observation slot.

[0008] Further, the second detection substrate includes a second detection bracket, a second detection hook is arranged on the top of the second detection bracket, a voltage confirmation groove is opened on the outer side wall of the second detection bracket, a plurality of voltage confirmation ports are arranged in an array on the inner side of the voltage confirmation groove, a mobile control board is fixedly connected to the outer side of the second detection bracket, a mobile control mechanism is arranged on the rear end of the mobile control board, a mobile control ring is fixedly connected to the bottom end of the mobile control mechanism, a mobile control screw is movably connected to the inner side of the mobile control ring, a voltage indicating needle is arranged on the outer side of the mobile control screw, the voltage indicating needle passes through the outer side wall of the second detection bracket and is connected to a voltage indicating connecting rod, a voltage connecting plate is arranged in an array on the bottom end of the voltage indicating connecting rod, and each voltage connecting plate is arranged at a position corresponding to the voltage confirmation port.

[0009] Furthermore, the detection mechanism includes a detection connection clamp, the bottom end of the detection connection clamp is fixedly connected to a current connection rod, the current connection rod passes through the outer wall of the first detection substrate and is connected to a current input mechanism, a current connection tube is arranged at the top of the current input mechanism, a voltage transformation processing device is arranged at the end of the current connection tube away from the current input mechanism, and a voltage transfer mechanism is arranged at the end of the voltage transformation processing device away from the current connection tube.

[0010] Beneficial effects of the present invention:

[0011] 1. The present invention is provided with a mobile voltage control device, which can flexibly adjust the output voltage and current of the detection mechanism, thereby realizing accurate detection of the limit of the insulator, and the switching is simple and the operation difficulty is low;

[0012] 2. When the present invention is in use, the built-in detection mechanism has high accuracy and a simple structure, thereby reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described below in conjunction with the accompanying drawings.

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0015] Figure 2 It is a schematic diagram of the overall structure of the present invention;

[0016] Figure 3 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 4 It is a schematic diagram of the circuit operation of the detection mechanism of the present invention;

[0018] In the figure: 1. first detection substrate; 11. first detection bracket; 12. detection observation slot; 13. first detection hook; 2. second detection substrate; 21. second detection bracket; 22. second detection hook; 23. voltage confirmation slot; 24. voltage confirmation port; 25. mobile control board; 26. mobile control mechanism; 27. mobile control ring; 28. mobile control screw; 29. ​​voltage indicator needle; 210. voltage indication connecting rod; 211. voltage connecting plate; 3. detection mechanism; 31. detection connecting clamp; 32. current connecting rod; 33. current input mechanism; 34. current connecting tube; 35. voltage transformation processing equipment; 36. voltage transfer mechanism. DETAILED DESCRIPTION

[0019] 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.

[0020] In the description of the present invention, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0021] A test device for composite insulation cross-arm insulators, such as Figure 1 As shown, a second detection substrate 2 is disposed at the front end of the first detection substrate 1 , and a detection mechanism 3 is disposed at one end of the first detection substrate 1 away from the second detection substrate 2 .

[0022] like Figure 2 As shown, the first detection substrate 1 includes a first detection bracket 11 , a detection observation slot 12 is provided at the bottom end of the first detection bracket 11 , and a first detection hook 13 is provided at one end of the first detection bracket 11 away from the detection observation slot 12 .

[0023] The detection mechanism 3 includes a detection connection clamp 31, a current connection rod 32 is fixedly connected to the bottom end of the detection connection clamp 31, the current connection rod 32 passes through the outer wall of the first detection substrate 1 and is connected to a current input mechanism 33, a current connection tube 34 is arranged at the top of the current input mechanism 33, a voltage transformation processing device 35 is arranged at the end of the current connection tube 34 away from the current input mechanism 33, and a voltage transfer mechanism 36 is arranged at the end of the voltage transformation processing device 35 away from the current connection tube 34.

[0024] like Figure 3As shown, the second detection substrate 2 includes a second detection bracket 21, a second detection hook 22 is arranged at the top of the second detection bracket 21, a voltage confirmation groove 23 is opened on the outer wall of the second detection bracket 21, and a plurality of voltage confirmation ports 24 are arranged in an array on the inner side of the voltage confirmation groove 23, a movable control plate 25 is fixedly connected to the outer side of the second detection bracket 21, a movable control mechanism 26 is arranged at the rear end of the movable control plate 25, a movable control ring 27 is fixedly connected to the bottom end of the movable control mechanism 26, a movable control screw 28 is movably connected to the inner side of the movable control ring 27, a voltage indicating needle 29 is arranged on the outer side of the movable control screw 28, the voltage indicating needle 29 passes through the outer wall of the second detection bracket 21 and is connected to a voltage indicating connecting rod 210, a voltage connecting plate 211 is arranged in an array on the bottom end of the voltage indicating connecting rod 210, and each voltage connecting plate 211 is arranged at the position corresponding to the voltage confirmation port 24.

[0025] When in use, first connect the insulator to be tested at both ends of the second detection hook 22 and the first detection hook 13 respectively, then turn on the circuit of the detection mechanism, and adjust the movable control screw 28 by shaking the rocker on the outside of the movable control mechanism 26 so that the movable control screw 28 can push the position of the voltage indicating needle 29. The voltage indicating needle 29 drives the voltage indicating connecting rod 210 so that the voltage indicating connecting rod 210 can connect the voltage connecting plates 211 of different current and voltage sizes to achieve detection under different current and voltage.

[0026] like Figure 4 As shown, the right side receives the current and turns on, and its 1st pin generates an AC signal, which is coupled to the base of the transistor VT4 through the capacitor C, turning on the transistor, and setting the PA1 pin of the microcontroller as input and turning on the pull-up resistor. When the transistor VT4 is turned on, PA1 is pulled to a low level. The microcontroller determines whether the circuit is connected by detecting and analyzing the high and low level changes of PA1.

[0027] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0028] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A testing device for a composite insulating cross-arm insulator, comprising a first testing substrate (1), characterized in that: A second detection substrate (2) is arranged at the front end of the first detection substrate (1), and a detection mechanism (3) is arranged at an end of the first detection substrate (1) away from the second detection substrate (2); The second detection substrate (2) comprises a second detection bracket (21), a second detection hook (22) is arranged at the top of the second detection bracket (21), a voltage confirmation groove (23) is provided on the outer wall of the second detection bracket (21), a plurality of voltage confirmation ports (24) are arranged in an array inside the voltage confirmation groove (23), a movable control board (25) is fixedly connected to the outer side of the second detection bracket (21), a movable control mechanism (26) is arranged at one end of the movable control board (25) facing the rear side, and the movable control mechanism (26) ) is fixedly connected to the bottom end thereof with a movable control ring (27), a movable control screw (28) is movably connected to the inner side of the movable control ring (27), a voltage indicating needle (29) is arranged on the outer side of the movable control screw (28), the voltage indicating needle (29) passes through the outer side wall of the second detection bracket (21) and is connected to a voltage indicating connecting rod (210), voltage connecting plates (211) are arranged in an array at the bottom end of the voltage indicating connecting rod (210), and each voltage connecting plate (211) is arranged at a position corresponding to the voltage confirmation port (24).

2. A test device for composite insulation cross-arm insulator according to claim 1, characterized in that: The first detection substrate (1) comprises a first detection bracket (11), a detection observation slot (12) is provided at the bottom end of the first detection bracket (11), and a first detection hook (13) is provided at one end of the first detection bracket (11) away from the detection observation slot (12).

3. A test device for composite insulation cross-arm insulator according to claim 1, characterized in that: The detection mechanism (3) comprises a detection connection clamp (31), the bottom end of the detection connection clamp (31) is fixedly connected to a current connection rod (32), the current connection rod (32) passes through the outer wall of the first detection substrate (1) and is connected to a current input mechanism (33), a current connection tube (34) is arranged at the top of the current input mechanism (33), a voltage transformation processing device (35) is arranged at one end of the current connection tube (34) away from the current input mechanism (33), and a voltage transfer mechanism (36) is arranged at one end of the voltage transformation processing device (35) away from the current connection tube (34).

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