CN105548758A - Special-purpose zero value detection tool for insulator of power transmission line - Google Patents

Special-purpose zero value detection tool for insulator of power transmission line Download PDF

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Publication number
CN105548758A
CN105548758A CN201510948616.6A CN201510948616A CN105548758A CN 105548758 A CN105548758 A CN 105548758A CN 201510948616 A CN201510948616 A CN 201510948616A CN 105548758 A CN105548758 A CN 105548758A
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China
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zero value
transmission line
value detection
detecting instrument
probe
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Inventor
姜格敏
丁慧娟
王禹
王麟超
王健卫
姜建平
杨昆仑
任宏波
曲绍勇
何锐
王海波
杨健
王云龙
张培毅
徐凯
宫国春
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State Grid Corp of China SGCC
Maintenance Branch of State Grid Shandong Electric Power Co Ltd
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State Grid Corp of China SGCC
Maintenance Branch of State Grid Shandong Electric Power Co Ltd
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Priority to CN201510948616.6A priority Critical patent/CN105548758A/en
Publication of CN105548758A publication Critical patent/CN105548758A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Cable Installation (AREA)

Abstract

输电线路绝缘子零值检测专用工具,包括智能检测仪,智能检测仪的一侧安装伸缩杆,伸缩杆的一端与智能检测仪连接,伸缩杆的另一端连接探针连接板,探针连接板与伸缩杆铰接,探针连接板的侧部安装两个探针,两个探针连接导线,本发明缩短了绝缘子零值检测工作的时间,减少了塔上作业人员,增加了人员利用率,提高了工作效率;塔上作业人员不需要出瓷瓶操作,降低工作人员在高空作业滞留时间和操作风险,提高了工作的安全系数。

The special tool for detecting the zero value of transmission line insulators includes an intelligent detector. One side of the intelligent detector is equipped with a telescopic rod, one end of the telescopic rod is connected to the intelligent detector, and the other end of the telescopic rod is connected to the probe connecting plate. The telescopic rod is hinged, two probes are installed on the side of the probe connection plate, and the two probes are connected to the wires. The invention shortens the time for insulator zero value detection, reduces the number of operators on the tower, increases the utilization rate of personnel, and improves The work efficiency is improved; the operators on the tower do not need to take out the porcelain bottle to operate, which reduces the retention time and operation risks of the staff working at high altitudes, and improves the safety factor of the work.

Description

输电线路绝缘子零值检测专用工具Special tool for zero value detection of transmission line insulators

技术领域 technical field

本发明涉及一种零值检测专用工具,具体地说是一种输电线路绝缘子零值检测专用工具。 The invention relates to a special tool for zero value detection, in particular to a special tool for zero value detection of transmission line insulators.

背景技术 Background technique

输电线路中的绝缘子的零值检测是保证输电线路运行安全稳定的重要工作之一。方便、快速、准确、高效地进行绝缘子零值检测一直是线路运维工作的重点和难点。现有绝缘子零值检测装置由三大部分组成,即绝缘检测杆、连接导线和检测仪,检测时需要3名以上工作人员同时在杆塔上工作。绝缘检测杆长度较短,进行检测时需要出瓷瓶进行操作,安全系数低;连接导线为普通铜导线,为了满足测量要求所需的长度较长,且每次工作时都要在塔上进行放线和收线,容易造成乱线;零值检测一般在良好天气下进行,由于太阳照射,仪表表盘反光读数不易读取;现有的检测仪为指针式,零值检测读数时,需将其水平放置,否则会影响数值指示造成误判断,且铁塔角钢凹凸不平很难找到稳定且水平的放置的位置。这些都大大延长了塔上工作时间、增加了工作的复杂性和危险性。 The zero value detection of insulators in transmission lines is one of the important tasks to ensure the safe and stable operation of transmission lines. Convenient, fast, accurate and efficient detection of insulator zero value has always been the focus and difficulty of line operation and maintenance. The existing insulator zero value detection device is composed of three major parts, namely an insulation detection rod, a connecting wire and a detector, and more than 3 staff members are required to work on the tower at the same time during detection. The length of the insulation detection rod is short, and the porcelain bottle needs to be removed for operation during detection, which has a low safety factor; the connecting wire is an ordinary copper wire, and the length required to meet the measurement requirements is longer, and it must be placed on the tower every time it works. It is easy to cause disordered lines; the zero value detection is generally carried out in good weather. Due to the sun, the reflective readings on the instrument panel are not easy to read; Place it horizontally, otherwise it will affect the numerical indication and cause misjudgment, and it is difficult to find a stable and horizontal place for the uneven angle steel of the iron tower. These have greatly prolonged the working time on the tower, increased the complexity and danger of the work.

发明内容 Contents of the invention

本发明的目的是提供一种输电线路绝缘子零值检测专用工具,能够解决上述问题。 The purpose of the present invention is to provide a special tool for detecting the zero value of insulators in transmission lines, which can solve the above problems.

本发明为实现上述目的,通过以下技术方案实现:一种输电线路绝缘子零值检测专用工具,包括智能检测仪,智能检测仪的一侧安装伸缩杆,伸缩杆的一端与智能检测仪连接,伸缩杆的另一端连接探针连接板,探针连接板与伸缩杆铰接,探针连接板的侧部安装两个探针,两个探针连接导线,导线连接智能检测仪,导线位于伸缩杆内部,智能检测仪的另一侧安装绝缘把手,智能检测仪的侧部安装液晶显示屏、电源开关和电压等级切换开关,所述探针的长度为H1,H1=30厘米,两个探针端头的间距为H2,H2=20厘米;智能检测仪上设置定时播放模块和播放装置,定时播放模块连接播放装置,播放装置包括壳体、扬声喇叭、螺母、丝杆、滑轨和步进电机,壳体内部设置扬声喇叭、螺母、丝杆、滑轨和步进电机,滑轨上安装扬声喇叭,扬声喇叭能在滑轨上滑动,步进电机的输出轴安装丝杆,扬声喇叭的侧部安装螺母,螺母与丝杆配合,壳体上部开设透槽,扬声喇叭能沿滑轨滑至透槽下方。所述的壳体的内部安装吸音板,吸音板位于透槽的侧部。所述的壳体的内部安装报警灯启动开关,报警灯启动开关位于透槽的一侧,壳体的外部安装报警灯。 In order to achieve the above object, the present invention is achieved through the following technical solutions: a special tool for detecting the zero value of transmission line insulators, including an intelligent detector. The other end of the rod is connected to the probe connection plate, the probe connection plate is hinged with the telescopic rod, two probes are installed on the side of the probe connection plate, the two probes are connected to the wire, the wire is connected to the intelligent detector, and the wire is located inside the telescopic rod , the other side of the intelligent detector is installed with an insulating handle, and the side of the intelligent detector is installed with a liquid crystal display, a power switch and a voltage level switching switch. The length of the probe is H1, H1=30 cm, and the two probe ends The distance between the heads is H2, H2=20 cm; the intelligent detector is equipped with a timing playback module and a playback device, the timing playback module is connected to the playback device, and the playback device includes a shell, a loudspeaker, a nut, a screw, a slide rail and a stepper Motor, speaker, nut, screw, slide rail and stepping motor are arranged inside the shell, the speaker is installed on the slide rail, the speaker can slide on the slide rail, the output shaft of the stepping motor is installed with a screw, A nut is installed on the side of the loudspeaker, and the nut cooperates with the screw mandrel. The upper part of the housing is provided with a through groove, and the loudspeaker can slide to the bottom of the through groove along the slide rail. A sound-absorbing board is installed inside the housing, and the sound-absorbing board is located at the side of the through groove. An alarm light activation switch is installed inside the housing, the alarm light activation switch is located on one side of the through groove, and an alarm light is installed outside the housing.

为了进一步实现本发明的目的,还可以采用以下技术方案:所述导线呈弹簧状。所述伸缩杆为三节伸缩杆。 In order to further realize the purpose of the present invention, the following technical solution can also be adopted: the wire is in the shape of a spring. The telescopic rod is a three-section telescopic rod.

本发明的优点在于:本发明缩短了绝缘子零值检测工作的时间,减少了塔上作业人员,增加了人员利用率,提高了工作效率;塔上作业人员不需要出瓷瓶操作,降低工作人员在高空作业滞留时间和操作风险,提高了工作的安全系数;运用此工具后,一基塔绝缘子测量的时间缩短了338.2分钟,效率提高15倍;在绝缘子零值检测过程中,原先需3人进行,现在单人就可操作,极大的节省了人力。本发明的伸缩杆可以方便调整输电线路绝缘子零值检测专用工具的整体长度。本发明的导线位于伸缩杆的内部,避免了每次工作时都要在塔上进行放线和收线,防止出现乱线的现象。本发明采用液晶显示屏作为智能检测仪的显示屏,液晶显示屏可以在太阳直射的情况下使用,方便智能检测仪数值的读取。本发明设有两个探针,且探针的长度为30厘米,两个探针一端的间距为20厘米,可以方便探针在铁塔角钢凹凸不平处进行测量。本发明的探针连接板与伸缩杆铰接可以方便自由调整探针连接板的角度,方便探针的探测。本发明的伸缩杆可以自由伸缩使操作人员只需手持绝缘把手就可以对不同高度的数值进行检测,从而大大降低了操作人员触电的风险。本发明还具有结构简洁紧凑、制造成本低廉和使用简便的优点。 The advantages of the present invention are: the present invention shortens the working time of insulator zero value detection, reduces the number of workers on the tower, increases the utilization rate of personnel, and improves the work efficiency; The residence time and operational risks of high-altitude operations have improved the safety factor of work; after using this tool, the measurement time of a base tower insulator has been shortened by 338.2 minutes, and the efficiency has been increased by 15 times; in the process of insulator zero value detection, 3 people were originally required , Now it can be operated by a single person, which greatly saves manpower. The telescopic rod of the invention can conveniently adjust the overall length of the special tool for detecting the zero value of the transmission line insulator. The wire of the present invention is located inside the telescopic rod, which avoids the need to pay out and take up the wire on the tower every time it works, and prevents the phenomenon of disordered wires. The invention adopts the liquid crystal display screen as the display screen of the intelligent detector, and the liquid crystal display screen can be used under the condition of direct sunlight, which is convenient for reading the value of the intelligent detector. The invention is provided with two probes, and the length of the probes is 30 centimeters, and the distance between the ends of the two probes is 20 centimeters, which can facilitate the probes to measure the unevenness of the iron tower angle steel. The hinge connection between the probe connecting plate and the telescopic rod of the present invention can conveniently and freely adjust the angle of the probe connecting plate, so as to facilitate the detection of the probe. The telescopic rod of the present invention can be freely expanded and contracted so that the operator can detect the values of different heights only by holding the insulating handle, thereby greatly reducing the risk of electric shock for the operator. The invention also has the advantages of simple and compact structure, low manufacturing cost and easy use.

附图说明 Description of drawings

图1为本发明的结构示意图;图2是图1的A向视放大结构示意图。 Fig. 1 is a schematic structural diagram of the present invention; Fig. 2 is a schematic structural diagram of an enlarged view from the A direction of Fig. 1 .

标注说明:1探针连接板2伸缩杆3导线4液晶显示屏5智能检测仪6电源开关7电压等级切换开关8绝缘把手9探针10播放装置11壳体12报警灯启动开关13透槽14扬声喇叭15螺母16丝杆17滑轨18报警灯19步进电机20吸音板21定时播放模块。 Note: 1 Probe connection plate 2 Telescopic rod 3 Lead wire 4 LCD display 5 Intelligent detector 6 Power switch 7 Voltage level switching switch 8 Insulated handle 9 Probe 10 Playing device 11 Housing 12 Alarm light start switch 13 Through slot 14 Loudspeaker 15 Nut 16 Screw rod 17 Slide rail 18 Alarm light 19 Stepper motor 20 Sound-absorbing board 21 Timing playback module.

具体实施方式 detailed description

输电线路绝缘子零值检测专用工具,如图1所示,包括智能检测仪5,智能检测仪5的一侧安装伸缩杆2,伸缩杆2的一端与智能检测仪5连接,伸缩杆2的另一端连接探针连接板1,探针连接板1与伸缩杆2铰接,探针连接板1的侧部安装两个探针9,两个探针9连接导线3,导线3连接智能检测仪5,导线3位于伸缩杆2内部,智能检测仪5的另一侧安装绝缘把手8,智能检测仪5的侧部安装液晶显示屏4、电源开关6和电压等级切换开关7,所述探针9的长度为H1,H1=30厘米,两个探针端头的间距为H2,H2=20厘米。 The special tool for detecting the zero value of transmission line insulators, as shown in Figure 1, includes an intelligent detector 5, a telescopic rod 2 is installed on one side of the One end is connected to the probe connection plate 1, the probe connection plate 1 is hinged to the telescopic rod 2, two probes 9 are installed on the side of the probe connection plate 1, the two probes 9 are connected to the wire 3, and the wire 3 is connected to the intelligent detector 5 , the wire 3 is located inside the telescopic rod 2, an insulating handle 8 is installed on the other side of the intelligent detector 5, a liquid crystal display 4, a power switch 6 and a voltage level switch 7 are installed on the side of the intelligent detector 5, and the probe 9 The length of the probe is H1, H1=30 cm, and the distance between the two probe ends is H2, H2=20 cm.

本发明缩短了绝缘子零值检测工作的时间,减少了塔上作业人员,增加了人员利用率,提高了工作效率;塔上作业人员不需要出瓷瓶操作,降低工作人员在高空作业滞留时间和操作风险,提高了工作的安全系数;运用此工具后,一基塔绝缘子测量的时间缩短了338.2分钟,效率提高15倍;在绝缘子零值检测过程中,原先需3人进行,现在单人就可操作,极大的节省了人力。本发明的伸缩杆2可以方便调整输电线路绝缘子零值检测专用工具的整体长度。本发明的导线3位于伸缩杆2的内部,避免了每次工作时都要在塔上进行放线和收线,防止出现乱线的现象。本发明采用液晶显示屏4作为智能检测仪5的显示屏,液晶显示屏4可以在太阳直射的情况下使用,方便智能检测仪5数值的读取。本发明设有两个探针9,且探针9的长度为30厘米,两个探针一端的间距为20厘米,可以方便探针在铁塔角钢凹凸不平处进行测量。本发明的探针连接板1与伸缩杆2铰接可以方便自由调整探针连接板1的角度,方便探针9的探测。本发明的伸缩杆2可以自由伸缩使操作人员只需手持绝缘把手8就可以对不同高度的数值进行检测,从而大大降低了操作人员触电的风险。 The invention shortens the working time of insulator zero value detection, reduces the number of operators on the tower, increases the utilization rate of personnel, and improves the work efficiency; risk and improve the safety factor of the work; after using this tool, the measurement time of a base tower insulator has been shortened by 338.2 minutes, and the efficiency has been increased by 15 times; in the process of insulator zero value detection, three people were originally required, but now a single person can do it operation, greatly saving manpower. The telescopic rod 2 of the present invention can conveniently adjust the overall length of the special tool for detecting the zero value of the transmission line insulator. The wire 3 of the present invention is located inside the telescopic rod 2, which avoids the need to pay out and take up the wire on the tower every time it works, and prevents the phenomenon of disordered wires. The present invention adopts the liquid crystal display 4 as the display screen of the intelligent detector 5, and the liquid crystal display 4 can be used under the situation of direct sunlight, which is convenient for the reading of the numerical value of the intelligent detector 5. The present invention is provided with two probes 9, and the length of the probes 9 is 30 centimeters, and the distance between one end of the two probes is 20 centimeters, which can facilitate the measurement of the unevenness of the iron tower angle steel by the probes. The hinged connection between the probe connecting plate 1 and the telescopic rod 2 of the present invention can conveniently and freely adjust the angle of the probe connecting plate 1 and facilitate the detection of the probe 9 . The telescopic rod 2 of the present invention can be freely expanded and contracted so that the operator only needs to hold the insulating handle 8 to detect the values of different heights, thereby greatly reducing the risk of electric shock for the operator.

智能检测仪5上设置定时播放模块21和播放装置10,定时播放模块21连接播放装置10,播放装置10包括壳体11、扬声喇叭14、螺母15、丝杆16、滑轨17和步进电机19,壳体11内部设置扬声喇叭14、螺母15、丝杆16、滑轨17和步进电机19,滑轨17上安装扬声喇叭14,扬声喇叭14能在滑轨17上滑动,步进电机19的输出轴安装丝杆16,扬声喇叭14的侧部安装螺母15,螺母15与丝杆16配合,壳体11上部开设透槽13,扬声喇叭14能沿滑轨17滑至透槽13下方。定时播放模块21可以根据工作进度播放不同的工作提示和报警提示,扬声喇叭14能在步进电机19能带动下滑至透槽13下方,当需要使用扬声喇叭14时,步进电机19能带动扬声喇叭14滑至透槽13下方,方便扬声喇叭14发声。当不需要使用扬声喇叭14时步进电机19能带动扬声喇叭14收起,防止扬声喇叭14附着灰尘。通过控制扬声喇叭14露出透槽13的面积,可以调节扬声喇叭14的音量,从而便于在不同警报级别下发出不同响度的声音。定时播放模块21可以根据工作进度播放不同的工作提示和报警提示,扬声喇叭14能在步进电机19能带动下滑至透槽13下方,当需要使用扬声喇叭14时,步进电机19能带动扬声喇叭14滑至透槽13下方,方便扬声喇叭14发声。当不需要使用扬声喇叭14时步进电机19能带动扬声喇叭14收起,防止扬声喇叭14附着灰尘。通过控制扬声喇叭14露出透槽13的面积,可以调节扬声喇叭14的音量,从而便于在不同警报级别下发出不同响度的声音。本发明中声音音量调节与电阻方式调节相比,更加直观,机械方式故障率低。 Timing playing module 21 and playing device 10 are set on the intelligent detector 5, and timing playing module 21 is connected playing device 10, and playing device 10 comprises housing 11, loudspeaker 14, nut 15, screw mandrel 16, slide rail 17 and stepper. Motor 19, speaker horn 14, nut 15, screw mandrel 16, slide rail 17 and stepper motor 19 are arranged inside housing 11, and speaker horn 14 is installed on slide rail 17, and speaker horn 14 can slide on slide rail 17 , the output shaft of the stepper motor 19 is equipped with a screw mandrel 16, and the side of the loudspeaker 14 is equipped with a nut 15, and the nut 15 cooperates with the screw mandrel 16, and the upper part of the housing 11 offers a through groove 13, and the loudspeaker 14 can move along the slide rail 17. Slide to the bottom of the through groove 13. Timing playback module 21 can play different work prompts and alarm prompts according to the work progress, and the loudspeaker 14 can be driven by the stepper motor 19 to slide down to the bottom of the through groove 13. When the loudspeaker 14 needs to be used, the stepper motor 19 can The loudspeaker 14 is driven to slide to the bottom of the through groove 13, so that the loudspeaker 14 is convenient for sounding. When the loudspeaker 14 is not needed, the stepper motor 19 can drive the loudspeaker 14 to be retracted to prevent the loudspeaker 14 from attaching dust. By controlling the area of the loudspeaker 14 exposed through the slot 13, the volume of the loudspeaker 14 can be adjusted, so that sounds of different loudness can be emitted at different alarm levels. Timing playback module 21 can play different work prompts and alarm prompts according to the work progress, and the loudspeaker 14 can be driven by the stepper motor 19 to slide down to the bottom of the through groove 13. When the loudspeaker 14 needs to be used, the stepper motor 19 can The loudspeaker 14 is driven to slide to the bottom of the through groove 13, so that the loudspeaker 14 is convenient for sounding. When the loudspeaker 14 is not needed, the stepper motor 19 can drive the loudspeaker 14 to be retracted to prevent the loudspeaker 14 from attaching dust. By controlling the area of the loudspeaker 14 exposed through the slot 13, the volume of the loudspeaker 14 can be adjusted, so that sounds of different loudness can be emitted at different alarm levels. Compared with the adjustment of the resistance mode, the sound volume adjustment in the present invention is more intuitive, and the failure rate of the mechanical mode is low.

为了避免杂音的情况,所述的壳体11的内部安装吸音板20,吸音板20位于透槽13的侧部。位于壳体11内的扬声喇叭14能够有效杂音,保证正常使用。 In order to avoid noise, a sound-absorbing board 20 is installed inside the housing 11 , and the sound-absorbing board 20 is located at the side of the through groove 13 . The loudspeaker 14 located in the housing 11 can effectively make noise and ensure normal use.

所述的壳体11的内部安装报警灯启动开关12,报警灯启动开关12位于透槽13的一侧,壳体11的外部安装报警灯18。当收到报警信号不及后,应当及时关闭说明已经收到,如果为及时反映,本发明的报警灯启动开关12可以在扬声喇叭14滑至透槽13下方时被扬声喇叭14触动,使报警灯18开启,使用光信号进行警报。 The interior of the housing 11 is equipped with an alarm light start switch 12 , the alarm light start switch 12 is located on one side of the through groove 13 , and the outside of the housing 11 is equipped with an alarm light 18 . After receiving the alarm signal, it should be closed in time to indicate that it has been received. If it is reflected in time, the alarm light start switch 12 of the present invention can be touched by the loudspeaker 14 when the loudspeaker 14 slides to the bottom of the through groove 13, so that The warning lamp 18 is turned on, and an alarm is given with a light signal.

所述导线3呈弹簧状。本发明的导线3呈弹簧状。可以方便伸缩杆2调整高度。 The wire 3 is in the shape of a spring. The wire 3 of the present invention is in the shape of a spring. The telescopic rod 2 can be adjusted in height conveniently.

所述伸缩杆2为三节伸缩杆。本发明的伸缩杆2为三节伸缩杆可以缩短伸缩杆2收缩时的长度方便输电线路绝缘子零值检测专用工具的运输和存放。 The telescopic rod 2 is a three-section telescopic rod. The telescopic rod 2 of the present invention is a three-section telescopic rod, which can shorten the length of the telescopic rod 2 when it shrinks, and facilitates the transportation and storage of the special tool for detecting the zero value of the transmission line insulator.

本发明的技术方案并不限制于本发明所述的实施例的范围内。本发明未详尽描述的技术内容均为公知技术。 The technical solutions of the present invention are not limited within the scope of the embodiments described in the present invention. The technical contents not described in detail in the present invention are all known technologies.

Claims (5)

1. electric transmission line isolator zero value detection specific purpose tool, it is characterized in that: comprise intelligent detecting instrument (5), expansion link (2) is installed in the side of intelligent detecting instrument (5), one end of expansion link (2) is connected with intelligent detecting instrument (5), the other end linking probe web joint (1) of expansion link (2), probe web joint (1) is hinged with expansion link (2), the sidepiece of probe web joint (1) installs two probes (9), two probes (9) connect wire (3), wire (3) connects intelligent detecting instrument (5), it is inner that wire (3) is positioned at expansion link (2), the opposite side installing insulating handle (8) of intelligent detecting instrument (5), the sidepiece of intelligent detecting instrument (5) installs LCDs (4), power switch (6) and electric pressure change-over switch (7), the length of described probe (9) is H1, H1=30 centimetre, the spacing of two probe terminations is H2, H2=20 centimetre, intelligent detecting instrument (5) is arranged fixed time airplay module (21) and playing device (10), fixed time airplay module (21) connects playing device (10), playing device (10) comprises housing (11), loudspeaker horn (14), nut (15), screw mandrel (16), slide rail (17) and stepper motor (19), housing (11) inside arranges loudspeaker horn (14), nut (15), screw mandrel (16), slide rail (17) and stepper motor (19), slide rail (17) is installed loudspeaker horn (14), loudspeaker horn (14) can in the upper slip of slide rail (17), the output shaft of stepper motor (19) installs screw mandrel (16), the sidepiece mounting nuts (15) of loudspeaker horn (14), nut (15) coordinates with screw mandrel (16), groove (13) is offered on housing (11) top, loudspeaker horn (14) can slide to groove (13) below along slide rail (17).
2. electric transmission line isolator zero value detection specific purpose tool according to claim 1, is characterized in that: abatvoix (20) is installed in the inside of described housing (11), and abatvoix (20) is positioned at the sidepiece of groove (13).
3. electric transmission line isolator zero value detection specific purpose tool according to claim 2, it is characterized in that: alarm lamp starting switch (12) is installed in the inside of described housing (11), alarm lamp starting switch (12) is positioned at the side of groove (13), and alarm lamp (18) is installed in the outside of housing (11).
4. electric transmission line isolator zero value detection specific purpose tool according to claim 1, is characterized in that: described wire (3) is in spring-like.
5. electric transmission line isolator zero value detection specific purpose tool according to claim 1, is characterized in that: described expansion link (2) is three-section telescopic bar.
CN201510948616.6A 2015-12-17 2015-12-17 Special-purpose zero value detection tool for insulator of power transmission line Pending CN105548758A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106710176A (en) * 2017-01-20 2017-05-24 芜湖华衍水务有限公司 Electronic fence tester and control method of adjusting unit thereof
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CN114979199A (en) * 2022-05-11 2022-08-30 北京华科众合科技有限公司 Tower foundation safety control device and control method for high-altitude operation
CN114979199B (en) * 2022-05-11 2024-05-07 北京华科众合科技有限公司 Tower foundation safety control device and control method for high-altitude operation
CN114910760A (en) * 2022-06-14 2022-08-16 国网山东省电力公司高唐县供电公司 A transmission line insulator zero detection automatic adjustment device
CN114910760B (en) * 2022-06-14 2023-08-25 国网山东省电力公司高唐县供电公司 An automatic adjustment device for zero detection of transmission line insulators

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