CN107290432B - Ultrasonic detection auxiliary tool for high-voltage electric appliance - Google Patents

Abstract

The invention provides an ultrasonic detection auxiliary tool for a high-voltage electrical appliance, which belongs to the technical field of electric tools and comprises a rod body, a support, a detection head and a detector, wherein the rod body is of a telescopic rod body structure, the support is arranged at the upper end of the rod body, the detection head is arranged in the support, a rod body control pin is arranged at the lower end of the rod body, the extension and the shortening of the rod body are controlled, the detection head is connected with the detector, and detection information of the detection head is received and displayed on the detector. The high-voltage electric appliance ultrasonic detection auxiliary tool provided by the invention realizes dead angle-free detection of high-voltage electrified equipment with any height, and solves the technical problems of high detection labor intensity and potential safety hazard of the high-voltage electrified equipment.

Description

High-voltage electrical appliance ultrasonic testing auxiliary tools

Technical field

The invention belongs to the technical field of electric power tools, and more specifically, relates to an auxiliary tool for ultrasonic detection of high-voltage electrical appliances.

Background technique

At present, the ultrasonic live detection technology of combined electrical appliances mainly promoted in power systems has become mature. However, for the detection of combined electrical appliances with voltage levels of 110KV and above, because they are at a higher position, testers need to Climb the insulating ladder with the tester for testing. Once you climb to the top of the insulating ladder, the testing personnel can easily access the live lines, which poses a major safety hazard.

Contents of the invention

The purpose of the present invention is to provide an auxiliary tool for ultrasonic detection of high-voltage electrical appliances to solve the technical problems existing in the prior art of high labor intensity and unsafety for personnel when detecting high-voltage live equipment at higher positions, and is easy to use and safe. , the advantage of high detection efficiency.

In order to achieve the above object, the technical solution adopted by the present invention is to provide an auxiliary tool for ultrasonic detection of high-voltage electrical appliances, including a rod, a bracket and an ultrasonic detector. The upper end of the rod is provided with the bracket, and the detection of the ultrasonic detector The head is fixed on the bracket, the probe head is connected to the body of the ultrasonic detector, and the body of the ultrasonic detector receives and displays the detection information of the probe head.

Further, the rod body is a telescopic rod body, and a rod control pin is provided at the lower end of the telescopic rod body.

Further, the pole body includes a hand-held pole, a first section of pole, a second section of pole, a third section of pole and a fourth section of pole. The hand-held pole, the first section of pole, the second section of pole, the third section of pole and The diameter of the fourth rod section gradually decreases along the axial direction of the rod body. The first rod section is inserted into the handheld rod. A rod body control pin is provided on the first rod section. The first rod section, The second rod section and the third rod section are each provided with a through hole that matches the rod body control pin. The fourth section rod is provided with a groove that matches the rod body control pin. The second rod section is provided with a groove that matches the rod body control pin. Limiting blocks are provided on the section rod, the third section pole and the fourth section pole, and the bracket is inserted into the top of the fourth section pole.

Further, the bracket includes a plug-in body, a support body and a barrel. The plug-in body is plugged into the top of the fourth section of the rod. The plug-in body and the support body are hingedly connected through a rotating shaft. The support body Fixedly connected to the cylinder, a spring is provided at the bottom of the cylinder, and the support body and the cylinder are arranged at right angles.

Further, an elastic element is provided inside the first, second and third section rods. When the rod body is not working, the elastic element is arranged inside the first, second and second section rods. The interior of the rod and the third rod section are in a compressed state; when the rod body is in operation, the elastic element is in a natural state inside the first, second and third section rods.

Further, a detection head is provided inside the cylinder of the bracket, one end of the spring is fixedly connected to the bottom of the cylinder, and the other end of the spring is connected to the detection head.

Further, one end of the probe head extends outside the barrel, and the other end of the probe head and the spring are inside the barrel.

Further, a lighting device and a handle are also provided on the hand-held pole.

Further, the cross section of the rod body is rectangular or circular.

Further, the probe head includes a straight probe head, and the ultrasonic detector includes a portable display and a signal conversion device. The signal conversion device is connected to the display. The signal conversion device receives the signal collected by the probe head and displays it on the display.

The beneficial effect of the ultrasonic detection auxiliary tool for high-voltage electrical appliances provided by the present invention is that compared with the existing technology, the ultrasonic detection auxiliary tool for high-voltage electrical appliances of the present invention can use the adjustment of the telescopic rod to extend the detection head to the electrical equipment being detected, and is flexible. Adjusting the working height, combined with the use of a bracket that can adjust the detection angle, can realize the detection of high-voltage live equipment at any height without blind spots, solving the technical problems of time-consuming, labor-intensive and unsafe detection of high-voltage live electrical equipment, and achieving the goal of detection The detection angle and height of the head are adjustable, easy to carry, and have the technical effect of improving detection efficiency. On the premise of ensuring detection safety, multiple areas on electrical equipment can be detected, and all-round detection can be performed.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments or prior art will be briefly introduced below. Obviously, the drawings in the following description are only illustrative of the present invention. For some embodiments, for those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of an auxiliary tool for ultrasonic testing of high-voltage electrical appliances provided by an embodiment of the present invention;

Figure 2 is a cross-sectional view of an auxiliary tool for ultrasonic testing of high-voltage electrical appliances provided by an embodiment of the present invention.

Among them, the reference numbers in the figure are: 1-pole; 2-bracket; 3-detector; 4-ultrasonic detector; 5-pole control pin; 11-hand-held pole; 12-first section of pole; 13-second Sectional rod; 14-third section of rod; 15-fourth section of rod; 16-through hole; 17-groove; 18-elastic element; 19-limiting block; 21-plug body; 22-support body; 23 -Cylinder; 24-shaft; 111-lighting device; 112-handle; 231-spring.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention and are not intended to limit the present invention.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It should be understood that the terms "length", "width", "top", "bottom", "front", "back", "left", "right", "vertical", "horizontal", "top" The orientations or positional relationships indicated by "bottom", "inside", "outer", etc. are based on the orientations or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the device referred to. Or elements must have a specific orientation, be constructed and operate in a specific orientation and therefore are not to be construed as limitations on the invention.

Please refer to Figures 1 to 2 together to describe the ultrasonic testing auxiliary tool for high-voltage electrical appliances provided by the present invention. The high-voltage electrical appliance ultrasonic detection auxiliary tool includes a rod 1, a bracket 2 and an ultrasonic detector 4. The bracket 2 is provided at the upper end of the rod 1, and the probe head 3 of the ultrasonic detector 4 is fixed on the bracket 2. Above, the probe head 3 is connected to the main body of the ultrasonic detector 4, and the main body of the ultrasonic detector 4 receives and displays the detection information of the probe head 3. The bracket 2 is fixedly connected to the rod body 1. The bracket 2 is provided with a rotating mechanism. The angle of the bracket 2 can be adjusted according to the actual arrangement of the electrical appliance being operated. The detection head 3 detects The information will be transmitted to the screen of the ultrasonic detector 4 in time.

The rod body 1 is an insulated telescopic rod body. The lower end of the telescopic rod body 1 is provided with a rod control pin 5. The rod body 1 can be limited by the rod control pin 5, so that the telescopic rod body 1 becomes a telescopic state. When it is necessary to extend the rod body 1, the rod body control pin 5 can be released, so that the telescopic structure in the rod body 1 pops up, so that the telescopic rod body 1 becomes an extended state.

Compared with the existing technology, the auxiliary tool for ultrasonic detection of high-voltage electrical appliances provided by the present invention can use an adjusting telescopic rod to extend the detection head to the electrical equipment being detected, flexibly adjust the working height, and use a bracket that can adjust the detection angle to achieve It realizes the detection of high-voltage live equipment at any height without blind spots, solves the technical problems of time-consuming, labor-intensive and unsafe detection of high-voltage live electrical equipment, and achieves the detection angle and height of the detection head, which is easy to carry and improves detection. The technical effect of efficiency is that, on the premise of ensuring detection safety, multiple areas on electrical equipment can be detected, enabling single-person operation, saving labor, reducing labor intensity, enabling all-round detection, and improving inspection efficiency.

Further, please refer to Figures 1 to 2 together. As a specific implementation of the high-voltage electrical appliance ultrasonic detection auxiliary tool provided by the present invention, the rod body 1 includes a handheld rod 11, a first rod section 12, a second section rod 13. The third section of pole 14 and the fourth section of pole 15. The pole body 1 includes a handheld pole 11, a first section of pole 12, a second section of pole 13, a third section of pole 14 and a fourth section of pole 15 along the axis of the pole body 1 The diameter decreases successively. The first rod section 12, the second rod section 13, the third rod section 14 and the fourth rod section 15 form an integrated structure. The first rod section 12 is inserted into the handheld In the rod 11, the hand-held rod 11 is provided with a rubber anti-slip coating to prevent the hand-held rod 11 from slipping during operation and affecting the operation efficiency.

A rod body control pin 5 is provided on the first rod section 12 , and a through hole matching with the rod body control pin 5 is provided on the first rod section 12 , the second rod section 13 and the third rod section 14 . Hole 16, the fourth section of rod 15 is provided with a groove 17 that matches the rod body control pin 5, and a bracket 2 is inserted into the top of the fourth section of rod 15. Limiting blocks 19 are provided on the second section pole 13 , the third section pole 14 and the fourth section pole 15 for limiting the second section pole 13 , the third section pole 14 and the fourth section pole 15 The rod bodies are limited so that the rod bodies of the second rod section 13, the third rod section 14 and the fourth section rod 15 are respectively movable in the rod bodies of the first section rod 12, the second section rod 13 and the third section rod 14 Slide in space. The rod control pin 5 has a T-shaped structure. The rod control pin 5 passes through the through hole 16 on the first rod section 12, the second rod section 13 and the third rod section 14. The rod control pin 5 The end is inserted into the groove 17 at the end of the fourth section rod 15, so that the first section pole 12, the second section pole 13, the third section pole 14 and the fourth section pole 15 are fixed together , the internal elastic element 18 is in a compressed state. The telescopic rod body 1 of this structure can make the detection head 3 on the bracket 2 reach the required detection height. It is no longer necessary to use an insulating ladder for work, saving the time of manually climbing the live equipment to detect; and the detection angle of the detection head 3 can be Adjustment improves the efficiency of electrical equipment testing and saves time.

Further, please refer to Figures 1 to 2 together. As a specific implementation of the high-voltage electrical appliance ultrasonic detection auxiliary tool provided by the present invention, the bracket 2 includes a plug body 21, a support body 22 and a cylinder 23. The plug-in body 21 is plugged into the top of the fourth section of the rod 15. The plug-in body 21 and the support body 22 are hingedly connected through the rotating shaft 24. The support body 22 is fixedly connected to the cylinder 23. In the cylinder The bottom of 23 is provided with a spring 231, and the support body 22 and the cylinder 23 are arranged at right angles. The end of the fourth section of rod 15 is coated with a layer of anti-skid medium, such as anti-skid glue; the plug-in body 21 on the bracket 2 is plugged into the end of the fourth section of rod 15, and the plug-in body The outer diameter of 21 should be larger than the outer diameter of the fourth section rod 15, which is a clearance fit, and the plug-in body 21 and the fourth section rod 15 will fit tightly without rotation. If necessary, they can be tightened with iron wire or screws. The bracket 2 of this structure is fixed on the rod body 1 to realize the adjustment of the detection head 3 at any angle, meeting the detection needs of the inspection personnel for electrical equipment, and increasing the flexibility of using this inspection tool.

Further, please refer to Figures 1 to 2 together. As a specific implementation of the ultrasonic detection auxiliary tool for high-voltage electrical appliances provided by the present invention, the first section rod 12, the second section rod 13 and the third section rod 14 There are elastic elements 18 inside. When the rod 1 is not working, the elastic elements 18 are in a compressed state inside the first rod 12, the second rod 13 and the third rod 14, and are controlled by the rod. The pin 5 compresses the second section rod 13, the third section rod 14 and the fourth section rod 15 inside the rod body activity space of the first section rod 12, the second section rod 13 and the third section rod 14; when the above When the rod body 1 is working, just pull out the rod control pin 5 from the groove 17 and the through hole 16, so that the elastic element 18 stretches between the first section rod 12, the second section rod 13 and the third section rod. The interior of the segment rod 14 is in a natural state and can be used for detection operations. At the same time, according to the needs of the actual detection height, the rod control pin 5 can be pulled out from the groove 17 to extend the fourth rod section 15; and then the rod control pin 5 can be pulled out from the third rod section. Pull out the through hole 16 of the second section rod 14 to extend the third section rod 14 again; then pull out the rod body control pin 5 from the through hole 16 of the second section rod 13 to extend the third section rod 14 again. The two-section rod 13 can flexibly adjust the appropriate telescopic range of the rod 1 according to the actual operating height, which is suitable for detection needs at different heights and reflects safe and reliable operating conditions.

Further, please refer to Figures 1 to 2 together. As a specific implementation of the high-voltage electrical appliance ultrasonic detection auxiliary tool provided by the present invention, a detection head 3 is provided inside the barrel 23 of the bracket 2. The wire connecting the head 3 and the detector 4 is outside the barrel 23 . One end of the spring 231 is fixedly connected to the bottom of the cylinder 23 , and the other end of the spring 231 is connected to the detection head 3 . The outer diameter of the cylinder 23 is larger than the outer diameter of the probe head 3, so that the probe head 3 can be placed in the cylinder 23. The inside of the probe head 3 is movably connected to the spring 231, so that the probe head 3 can be placed inside the cylinder 23. The probe 3 has an activity space inside the barrel 23 .

Further, please refer to Figures 1 to 2 together. As a specific implementation of the high-voltage electrical appliance ultrasonic detection auxiliary tool provided by the present invention, one end of the detection head 3 extends out of the cylinder 23, and the detection head 3 extends out of the cylinder 23. The other end of the head 3 and the spring 231 are inside the barrel 23 . During the detection process, when the probe head 3 comes into contact with the electrical equipment being detected, due to the action of the spring 231, the probe head 3 will automatically retract a little inside the cylinder 23, but the outer end of the probe head 3 will still be there. Still outside the barrel 23, the probe 3 can fully contact the electrical equipment being detected.

Further, please refer to Figures 1 to 2 together. As a specific implementation of the high-voltage electrical appliance ultrasonic detection auxiliary tool provided by the present invention, the rod body 1 has a rectangular or circular cross-section. According to the reasonable structure of the rod body 1, the rod body 1 with a rectangular cross-section or the rod body 1 with a circular cross-section can be used, which is easier to manufacture, has a simple process, and is conducive to mass production.

Further, please refer to FIGS. 1 to 2 together. As a specific implementation of the high-voltage electrical ultrasonic detection auxiliary tool provided by the present invention, the hand-held pole 11 is also provided with a lighting device 111 and a handle 112 . The lighting device 111 is a device that uses a dry battery as a power source and a light bulb as a light-emitting element. The lighting device 111 is placed on the hand-held pole 11 and its function is to provide lighting in a dark environment or when work is required at night. The device 111 is opened and used for lighting operations; the handle 112 is placed at the end of the hand-held pole 11, and two can be installed for use together. The handle 112 is made of insulating material, and there is also a handle on the handle 112. The anti-slip layer increases the friction between the palm and the handle 112. This inspection auxiliary tool is safe, reliable and highly flexible, and can be used to inspect electrical equipment at any height or angle.

Further, please refer to Figures 1 to 2 together. As a specific implementation of the high-voltage electrical appliance ultrasonic detection auxiliary tool provided by the present invention, the probe head 3 includes a straight probe head, and the detector 4 includes a portable display and The signal conversion device is connected to the display, and the signal conversion device receives the signal collected by the probe 3 and displays it on the display. The information detected on the probe head 3 will be displayed on the display of the ultrasonic detector in the form of an image or a curve. The specific information of the detected electrical equipment can be judged at any time based on the detected curve display. Test results provide basis.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (5)

1. An auxiliary tool for ultrasonic testing of high-voltage electrical appliances, characterized by: including a rod (1), a bracket (2) and an ultrasonic detector (4). The upper end of the rod (1) is provided with the bracket (2). The probe head (3) of the ultrasonic detector (4) is fixed on the bracket (2), and the probe head (3) is connected to the body of the ultrasonic detector (4). The ultrasonic detector (4) The main body accepts and displays the detection information of the detection head (3); The rod body (1) is a telescopic rod body, and the lower end of the telescopic rod body (1) is provided with a rod control pin (5); The pole body (1) includes a handheld pole (11), a first pole section (12), a second pole section (13), a third pole section (14) and a fourth pole section (15). The handheld pole (12) 11), the diameters of the first rod section (12), the second rod section (13), the third rod section (14) and the fourth rod section (15) gradually become smaller along the axial direction of the rod body (1). The segment rod (12) is plugged into the hand-held lever (11). A rod body control pin (5) is provided on the first segment rod (12). The first segment rod (12) and the second segment rod (12) are The segment rod (13) and the third segment rod (14) are both provided with through holes (16) that cooperate with the rod body control pin (5), and the fourth segment rod (15) is provided with a through hole (16) that matches the rod body control pin (5). The groove (17) matched by the rod body control pin (5) is provided with a limit block (19) on the second section rod (13), the third section rod (14) and the fourth section rod (15). The bracket (2) is inserted into the top of the fourth section of rod (15); The bracket (2) includes a plug-in body (21), a support body (22) and a barrel (23). The plug-in body (21) is plugged into the top of the fourth section of the rod (15), so The plug-in body (21) and the support body (22) are hingedly connected through the rotating shaft (24). The support body (22) is fixedly connected to the cylinder (23). A spring (23) is provided at the bottom of the cylinder (23). 231), the support body (22) and the cylinder (23) are arranged at right angles; Elastic elements (18) are provided inside the first section of rod (12), the second section of rod (13) and the third section of rod (14). When the rod body (1) is not working, the elastic element (18) The element (18) is in a compressed state inside the first rod section (12), the second rod section (13) and the third rod section (14); when the rod body (1) is working, the elastic element ( 18) It is in a natural state inside the first section of pole (12), the second section of pole (13) and the third section of pole (14); The probe head (3) includes a straight probe, and the ultrasonic detector (4) includes a portable display and a signal conversion device. The signal conversion device is connected to the display. The signal conversion device receives the signal collected by the probe head (3) and displays it on the display. show. 2. The high-voltage electrical appliance ultrasonic detection auxiliary tool according to claim 1, characterized in that: a detection head (3) is provided inside the cylinder (23) of the bracket (2), and one end of the spring (231) It is fixedly connected to the bottom of the cylinder (23), and the other end of the spring (231) is connected to the detection head (3). 3. The high-voltage electrical appliance ultrasonic detection auxiliary tool according to claim 2, characterized in that: one end of the detection head (3) extends out of the barrel (23), and the other end of the detection head (3) and the spring (231) is inside the barrel (23). 4. The auxiliary tool for ultrasonic testing of high-voltage electrical appliances according to claim 1, characterized in that: the hand-held rod (11) is also provided with a lighting device (111) and a handle (112). 5. The auxiliary tool for ultrasonic testing of high-voltage electrical appliances as claimed in claim 1, characterized in that the rod body (1) has a rectangular or circular cross-section.