CN109244945B - Special insulating hanger for equipotential replacement of tension-resistant single-piece insulator - Google Patents
Special insulating hanger for equipotential replacement of tension-resistant single-piece insulator Download PDFInfo
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- CN109244945B CN109244945B CN201811442736.9A CN201811442736A CN109244945B CN 109244945 B CN109244945 B CN 109244945B CN 201811442736 A CN201811442736 A CN 201811442736A CN 109244945 B CN109244945 B CN 109244945B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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Abstract
本发明提供了一种等电位更换耐张单片绝缘子专用绝缘吊架，包括支撑座、限位旋转吊杆、前置夹板；支撑座包括筒形基座、杠板，筒形基座上设有旋转限位内槽，杠板沿筒形基座中部横向延伸，整体倾斜向下，杠板末端弯折成弧形卡口，弧形卡口上设有穿孔；限位旋转吊杆包括柱形竖杆、延伸板，柱形竖杆插入筒形基座中，通过限位桩与旋转限位内槽插接配合；在限位桩、旋转限位内槽的配合下，柱形竖杆可相对筒形基座实现水平90度的限位旋转配合；延伸板设置于柱形竖杆上端，为倒置“L”型板，延伸板末端向下设有前置夹板。本发明操作安全性好，可有效提高工作效率、提高作业安全性，配合绝缘无极绳和卡具专用吊带可实现卡具和单片绝缘子的起吊。
The invention provides a special insulation hanger for equipotential replacement of tensile-resistant single-chip insulators, which includes a support base, a limited rotating boom, and a front splint; the support base includes a cylindrical base and a lever plate, and a cylindrical base is provided with a There is a rotation limit inner groove, the lever plate extends laterally along the middle part of the cylindrical base, and the whole tilts downward. The end of the lever plate is bent into an arc bayonet, and the arc bayonet is provided with perforations; the limit rotation boom includes a column The vertical rod, extension plate, and cylindrical vertical rod are inserted into the cylindrical base, and are plugged and matched with the rotation limit inner groove through the limit pile; with the cooperation of the limit pile and the rotation limit inner groove, the cylindrical vertical rod It can achieve a horizontal 90-degree limited rotation fit relative to the cylindrical base; the extension plate is set on the upper end of the cylindrical vertical rod and is an inverted "L"-shaped plate. The end of the extension plate is provided with a front splint downward. The invention has good operational safety and can effectively improve work efficiency and operation safety. It can be used with the insulating stepless rope and the special sling for the clamp to realize the lifting of the clamp and the single-chip insulator.
Description
技术领域Technical field
本发明涉及电力作业技术领域，尤其涉及一种等电位更换耐张单片绝缘子专用绝缘吊架。The invention relates to the technical field of electric power operations, and in particular to a special insulation hanger for equipotential replacement of tensile-resistant monolithic insulators.
背景技术Background technique
220KV带电(等电位)更换耐张单片绝缘子是220KV输电线路带电作业中最常见的一项工作。为满足带电作业的安全性，在整串绝缘子的失效绝缘子个数未达到规程要求个数前，就应及时更换。一般情况下，都是结合线路停电计划组织人员进行整条线路失效绝缘子的集中更换，但作业手的工作量并没有减少。Replacement of tensile-resistant monolithic insulators in 220KV live (equipotential) is the most common work in the live work of 220KV transmission lines. In order to ensure the safety of live operations, the entire string of insulators should be replaced in time before the number of failed insulators reaches the number required by the regulations. Under normal circumstances, personnel are organized to centrally replace failed insulators on the entire line in conjunction with the line outage plan, but the workload of the operators has not been reduced.
目前，常规的220KV带电(等电位)更换耐张单片绝缘子工作中，需要上下起吊卡具和单片绝缘子，同时，将绝缘滑车安装位置设置于工作面下方。此时，地面辅助人员只能将卡具和单片绝缘子拉升至工作面下方，还需要等电位作业手(等电位作业手坐在绝缘子上操作)俯身提起后再调整位置安装。At present, in the conventional 220KV live (equipotential) replacement of tensile-resistant monolithic insulators, it is necessary to lift the fixture and monolithic insulator up and down, and at the same time, the installation position of the insulation pulley is set below the working surface. At this time, the ground auxiliary personnel can only lift the fixture and the single-chip insulator below the working surface, and the equipotential operator (the equipotential operator sits on the insulator to operate) needs to bend over and lift it up before adjusting the position for installation.
经长期经验验证，上述作业方式存在诸多不足：一方面，等电位作业手坐在绝缘子上操作，稳定系数不高；同时，由于人体短接绝缘子片数限制，使得活动空间受到限制，这给等电位作业手增加了大量的体力消耗；另一方面，作业安全性得不到保障，对等电位作业手综合素质提出了更高的要求。Verified by long-term experience, the above operation method has many shortcomings: on the one hand, the equipotential operator sits on the insulator and operates, and the stability coefficient is not high; at the same time, due to the limitation of the number of insulator pieces short-circuited by the human body, the space for movement is limited, which gives Potential workers increase a lot of physical exertion; on the other hand, the safety of the operation cannot be guaranteed, which puts forward higher requirements for the comprehensive quality of equipotential workers.
据此，目前急需一种既能有效减少220KV等电位更换耐张单片绝缘子工作量，保留作业手的体力消耗，又能同时提高作业稳定系数与安全性的专用绝缘吊架。Accordingly, there is an urgent need for a special insulation hanger that can effectively reduce the workload of replacing tensile monolithic insulators at 220KV equipotential, preserve the physical exertion of the operator, and improve the stability and safety of the operation at the same time.
发明内容Contents of the invention
本发明所要解决的技术问题在于提供一种能有效减少工作量，保留作业手的体力消耗，又能同时提高作业稳定系数与安全性的等电位更换耐张单片绝缘子专用绝缘吊架。The technical problem to be solved by the present invention is to provide a special insulation hanger for equipotential replacement of tensile-resistant monolithic insulators that can effectively reduce the workload, preserve the physical exertion of the operator, and simultaneously improve the stability factor and safety of the operation.
本发明采用以下技术方案解决上述技术问题：The present invention adopts the following technical solutions to solve the above technical problems:
一种等电位更换耐张单片绝缘子专用绝缘吊架，包括支撑座、限位旋转吊杆与前置夹板；所述专用绝缘吊架以支撑座为受力基座，配合支撑座上的防坠绳固定环将其整体固定于绝缘子钢帽处；A special insulation hanger for equipotential replacement of tensile-resistant single-chip insulators, including a support base, a limited rotating boom and a front splint; the special insulation hanger uses the support base as a stress-bearing base, and cooperates with the anti-static hanger on the support base. The falling rope fixing ring fixes the whole thing to the insulator steel cap;
所述支撑座包括筒形基座与杠板；所述筒形基座上设有旋转限位内槽，旋转限位内槽的限位开口朝上，且与限位旋转吊杆的下端插接旋转配合；所述杠板沿筒形基座中部横向延伸形成，整体呈倾斜向下的杠杆结构，杠板末端向上弯折成型一弧形卡口，弧形卡口上设有穿孔；The support base includes a cylindrical base and a lever plate; the cylindrical base is provided with a rotation limit inner groove, the limit opening of the rotation limit inner groove faces upward, and is inserted into the lower end of the limit rotation boom. The lever plate extends laterally along the middle part of the cylindrical base, and the overall lever structure is tilted downward. The end of the lever plate is bent upward to form an arc-shaped bayonet, and the arc-shaped bayonet is provided with perforations;
所述限位旋转吊杆包括柱形竖杆与延伸板；所述柱形竖杆竖向插入筒形基座空心管中，并通过柱形竖杆上的限位桩与旋转限位内槽插接配合；在限位桩、旋转限位内槽的配合下，所述柱形竖杆可相对筒形基座实现水平90度的限位旋转配合；所述延伸板竖向设置于柱形竖杆的上端，且具体为一倒置“L”型板，延伸板末端沿其垂直方向向下延伸有所述前置夹板，前置夹板与起吊绝缘滑车的挂点相配合。The limit rotating boom includes a cylindrical vertical rod and an extension plate; the cylindrical vertical rod is vertically inserted into the hollow tube of the cylindrical base, and passes through the limiting pile on the cylindrical vertical rod and the rotation limiting inner groove. Plug-in fit; with the cooperation of the limit pile and the rotation limit inner groove, the cylindrical vertical rod can achieve a horizontal 90-degree limit rotation fit relative to the cylindrical base; the extension plate is arranged vertically on the cylindrical base The upper end of the vertical rod is specifically an inverted "L"-shaped plate. The end of the extension plate extends downward along its vertical direction with the front plywood. The front plywood matches the hanging point of the insulating pulley.
作为本发明的优选方式之一，所述杠板具体包括圆盘、斜板以及弧形卡口；所述圆盘水平成型于筒形基座中部，圆盘末端沿其斜向下方向继续延伸出斜板，斜板上设有防坠绳固定环，斜板末端则向上弯折形成弧形卡口，弧形卡口上设有穿孔；所述弧形卡口的卡口内径与绝缘子钢帽处的外径相配合。As one of the preferred modes of the present invention, the lever plate specifically includes a disc, a slant plate and an arc-shaped bayonet; the disc is horizontally formed in the middle of the cylindrical base, and the end of the disc continues to extend obliquely downward. The inclined plate is provided with an anti-falling rope fixing ring, and the end of the inclined plate is bent upward to form an arc-shaped bayonet. The arc-shaped bayonet is provided with perforations; the inner diameter of the arc-shaped bayonet is consistent with the insulator steel. Match the outer diameter of the cap.
作为本发明的优选方式之一，所述穿孔与杠板上的防坠绳固定环构成供防坠绳缠绕固定的两固定端。As one of the preferred embodiments of the present invention, the through hole and the anti-falling rope fixing ring on the lever plate constitute two fixed ends for the anti-falling rope to be wound and fixed.
作为本发明的优选方式之一，所述延伸板具体包括延伸竖板、延伸横板；所述延伸竖板竖向设置于柱形竖杆上端，延伸竖板上端的一侧设有延伸横板，延伸横板末端向下垂直延伸出所述前置夹板。As one of the preferred modes of the present invention, the extension plate specifically includes an extension vertical plate and an extension horizontal plate; the extension vertical plate is vertically arranged on the upper end of the cylindrical vertical rod, and one side of the upper end of the extension vertical plate is provided with an extension horizontal plate , the end of the extended horizontal plate extends downward and vertically out of the front splint.
作为本发明的优选方式之一，所述延伸竖板与延伸横板一体成型。As one of the preferred modes of the present invention, the extended vertical plate and the extended horizontal plate are integrally formed.
作为本发明的优选方式之一，所述延伸竖板通过螺栓固定在柱形竖杆上端。As one of the preferred embodiments of the present invention, the extending vertical plate is fixed to the upper end of the columnar vertical rod by bolts.
作为本发明的优选方式之一，所述前置夹板具体为设置于延伸板末端两侧、且相向而设的两夹板，两夹板之间设有横杆；所述横杆供起吊绝缘滑车上端的挂钩挂接。As one of the preferred embodiments of the present invention, the front clamping plate is specifically two clamping plates arranged on both sides of the end of the extension plate and facing each other, and a cross bar is provided between the two clamping plates; the cross bar is for the hook at the upper end of the lifting insulating pulley to hang.
作为本发明的优选方式之一，所述前置夹板通过螺栓固定在延伸板末端。As one of the preferred modes of the present invention, the front clamping plate is fixed on the end of the extension plate through bolts.
作为本发明的优选方式之一，所述专用绝缘吊架以支撑座为受力基座，配合支撑座上的防坠绳固定环将其整体固定于耐张双串的绝缘子钢帽处。As one of the preferred modes of the present invention, the special insulation hanger uses the support base as the force-bearing base, and cooperates with the anti-fall rope fixing ring on the support base to integrally fix it to the insulator steel cap of the tension-resistant double string.
作为本发明的优选方式之一，适用于220KV及220KV以上等电位更换耐张单片绝缘子工作。As one of the preferred modes of the present invention, it is suitable for the work of replacing tension-resistant single-chip insulators at equal potentials of 220KV and above.
作为本发明的优选方式之一，所述专用绝缘吊架采用绝缘性能优良、强度高的绝缘材料制作而成。As one of the preferred embodiments of the present invention, the dedicated insulating hanger is made of insulating material with excellent insulating properties and high strength.
本发明相比现有技术的优点在于：The advantages of the present invention compared with the prior art are:
(1)本发明将绝缘滑车挂点由工作面下方提升至工作面上方，可进一步地减少作业手劳动强度，降低人员操作失误率，提高作业手和设备的安全性；(1) The present invention raises the insulating pulley hanging point from below the working surface to above the working surface, which can further reduce the labor intensity of the operating hands, reduce the operator error rate, and improve the safety of the operating hands and equipment;
(2)本发明结构简单、安装使用方便，其利用杠杆原理，并通过防坠绳固定环、穿孔与防坠绳的配合将装置稳定固定于钢帽处；(2) The invention has a simple structure and is easy to install and use. It utilizes the lever principle and stably fixes the device to the steel cap through the cooperation of the anti-fall rope fixing ring, the perforation and the anti-fall rope;
(3)本发明通过旋转限位内槽配合限位桩，将穿入筒形基座的柱形竖杆的插入深度限位且水平90度限位旋转，可极大的提升等电位作业手调整卡具的空间；同时，卡具专用吊带使卡具水平提升，卡具安装时调整的幅度和方位更加便捷；(3) The present invention limits the insertion depth of the cylindrical vertical rod penetrating into the cylindrical base by rotating the inner limit groove and matching the limit pile, and limits the rotation at 90 degrees horizontally, which can greatly improve the equipotential working hand. Adjust the space of the clamp; at the same time, the special sling for the clamp raises the level of the clamp, making it easier to adjust the amplitude and direction when installing the clamp;
(4)本发明不仅用于220KV等电位更换耐张单片绝缘子工作，还同样适用于220KV以上带电(等电位)更换耐张单片绝缘子工作。(4) The present invention is not only used for the replacement of tensile-resistant single-chip insulators at 220KV equipotential, but is also suitable for the replacement of tensile-resistant single-chip insulators above 220KV (equal potential).
附图说明Description of drawings
图1是实施例1中等电位更换耐张单片绝缘子专用绝缘吊架的整体结构示意图；Figure 1 is a schematic diagram of the overall structure of a special insulation hanger for medium-potential replacement of tensile monolithic insulators in Embodiment 1;
图2是实施例1中支撑座的整体结构示意图；FIG2 is a schematic diagram of the overall structure of the support base in Example 1;
图3是图2俯视整体结构示意图；Figure 3 is a schematic diagram of the overall structure of Figure 2;
图4是实施例1中限位旋转吊杆的整体结构示意图；Figure 4 is a schematic diagram of the overall structure of the limited rotating boom in Embodiment 1;
图5是实施例1中起吊绝缘滑车的整体结构示意图；FIG5 is a schematic diagram of the overall structure of the lifting insulating pulley in Example 1;
图6是实施例1中等电位更换耐张单片绝缘子专用绝缘吊架的使用状态示意图。Figure 6 is a schematic diagram of the use state of the insulation hanger dedicated to replacing the tensile-resistant monolithic insulator in Embodiment 1.
图中：1为支撑座，11为筒形基座，111为旋转限位内槽，12为杠板，121为圆盘，122为斜板，123为弧形卡口，124为防坠绳固定环，125为穿孔，2为限位旋转吊杆，21为柱形竖杆，211为限位桩，22为延伸板，221为延伸竖板，222为延伸横板，3为前置夹板，31为夹板，4为起吊绝缘滑车，41为挂钩。In the figure: 1 is the support base, 11 is the cylindrical base, 111 is the rotation limit inner groove, 12 is the lever plate, 121 is the disc, 122 is the inclined plate, 123 is the arc bayonet, 124 is the anti-fall rope Fixed ring, 125 is a perforation, 2 is a limit rotating boom, 21 is a cylindrical vertical rod, 211 is a limit pile, 22 is an extension plate, 221 is an extension vertical plate, 222 is an extension horizontal plate, 3 is a front splint , 31 is a plywood, 4 is a lifting insulating pulley, and 41 is a hook.
具体实施方式Detailed ways
下面对本发明的实施例作详细说明，本实施例在以本发明技术方案为前提下进行实施，给出了详细的实施方式和具体的操作过程，但本发明的保护范围不限于下述的实施例。The following is a detailed description of the embodiments of the present invention. This embodiment is implemented based on the technical solution of the present invention and provides detailed implementation modes and specific operating processes. However, the protection scope of the present invention is not limited to the following implementations. example.
实施例1Example 1
参见图1-4，本实施例的一种等电位更换耐张单片绝缘子专用绝缘吊架，适用于220KV等电位更换耐张单片绝缘子工作，包括支撑座1、限位旋转吊杆2与前置夹板3。该专用绝缘吊架以其支撑座1为受力基座，配合支撑座1上的防坠绳固定环124将整体固定于220KV耐张双串的绝缘子钢帽处。Referring to Figures 1-4, this embodiment is a special insulation hanger for equipotential replacement of tensile-resistant monolithic insulators, suitable for 220KV equipotential replacement of tensile-resistant monolithic insulators, including a support base 1, a limit rotating boom 2 and a Front splint 3. This special insulation hanger uses the support base 1 as the force-bearing base, and cooperates with the anti-falling rope fixing ring 124 on the support base 1 to fix the whole body to the insulator steel cap of the 220KV tension-resistant double string.
支撑座1包括筒形基座11与杠板12。筒形基座11上设有旋转限位内槽111，旋转限位内槽111的限位开口朝上，且与限位旋转吊杆2的下端插接旋转配合。杠板12沿筒形基座11中部横向延伸形成，整体呈倾斜向下的杠杆结构，具体包括圆盘121、斜板122以及弧形卡口123。其中，圆盘121水平成型于筒形基座11中部，圆盘121末端沿其斜向下方向继续延伸出斜板122，斜板122上设有防坠绳固定环124，斜板122末端向上弯折形成弧形卡口123，弧形卡口123的卡口内径与绝缘子钢帽处的外径相配合，弧形卡口123上还设有穿孔125；该穿孔125与防坠绳固定环124构成供防坠绳缠绕固定的两固定端。The support base 1 includes a cylindrical base 11 and a lever plate 12 . The cylindrical base 11 is provided with a rotation limiting inner groove 111. The limiting opening of the rotation limiting inner groove 111 faces upward and is inserted and rotated with the lower end of the limiting rotation boom 2. The lever plate 12 extends laterally along the middle part of the cylindrical base 11 , and has a downward-sloping lever structure as a whole, specifically including a disc 121 , an inclined plate 122 and an arc-shaped bayonet 123 . Among them, the disc 121 is horizontally formed in the middle part of the cylindrical base 11, and the end of the disc 121 continues to extend out of the inclined plate 122 in its diagonal downward direction. The inclined plate 122 is provided with an anti-fall rope fixing ring 124, and the end of the inclined plate 122 faces upward. The arc-shaped bayonet 123 is formed by bending. The inner diameter of the bayonet of the arc-shaped bayonet 123 matches the outer diameter of the insulator steel cap. The arc-shaped bayonet 123 is also provided with a perforation 125; the perforation 125 is connected with the anti-fall rope fixing ring. 124 constitute two fixed ends for the anti-fall rope to be wound and fixed.
限位旋转吊杆2包括柱形竖杆21与延伸板22。柱形竖杆21竖向插入筒形基座11空心管中，并通过柱形竖杆21上的限位桩211与旋转限位内槽111插接配合；在上述限位桩211、旋转限位内槽111的配合下，柱形竖杆21可相对筒形基座11实现水平90度的限位旋转配合。延伸板22包括延伸竖板221与延伸横板222，二者一体成型；其中，延伸竖板221竖向设置于柱形竖杆21上端，并通过螺栓相固连；延伸竖板221上端的一侧横向设有延伸横板222，延伸横板222末端向下垂直延伸出前置夹板3；该前置夹板3具体为通过螺栓固设于延伸横板222末端两侧、且相向而设的两夹板31，两夹板31之间设有横杆(图中未标示)，横杆供起吊绝缘滑车4上端的挂钩41挂接(起吊绝缘滑车4的结构参见图5)。The limited rotation suspension rod 2 includes a columnar vertical rod 21 and an extension plate 22. The columnar vertical rod 21 is vertically inserted into the hollow tube of the cylindrical base 11, and the limited pile 211 on the columnar vertical rod 21 is plugged into the rotation limited inner groove 111; under the cooperation of the limited pile 211 and the rotation limited inner groove 111, the columnar vertical rod 21 can achieve a horizontal 90-degree limited rotation cooperation relative to the cylindrical base 11. The extension plate 22 includes an extension vertical plate 221 and an extension horizontal plate 222, which are integrally formed; wherein the extension vertical plate 221 is vertically arranged at the upper end of the columnar vertical rod 21 and fixedly connected by bolts; an extension horizontal plate 222 is laterally arranged on one side of the upper end of the extension vertical plate 221, and a front clamping plate 3 is vertically extended downward from the end of the extension horizontal plate 222; the front clamping plate 3 is specifically two clamping plates 31 fixed by bolts on both sides of the end of the extension horizontal plate 222 and arranged facing each other, and a horizontal bar (not shown in the figure) is arranged between the two clamping plates 31, and the horizontal bar is for hanging the hook 41 at the upper end of the lifting insulating pulley 4 (see Figure 5 for the structure of the lifting insulating pulley 4).
本装置还同样适用于220KV以上等电位更换耐张单片绝缘子工作。This device is also suitable for the replacement of single-piece tension insulators at equal potential above 220KV.
使用原理及方法(参见图6)：Principles and methods of use (see Figure 6):
(1)等电位作业手携带本实施例专用绝缘吊架到达被更换绝缘子处坐下后，将支撑座1安装在被更换绝缘子某一方向第二片和第三片绝缘子钢帽上，将挂在穿孔125上的防坠绳闭锁在防坠绳固定环124上，实现防坠；(1) After the equipotential operator carries the special insulating hanger of this embodiment to the insulator to be replaced and sits down, the support seat 1 is installed on the second and third insulator steel caps in a certain direction of the insulator to be replaced, and the anti-fall rope hung on the through hole 125 is locked on the anti-fall rope fixing ring 124 to prevent falling;
(2)将起吊绝缘滑车4挂在延伸板22的前置夹板3上，对准旋转限位内槽111和限位桩211将柱形竖杆21插入筒形结构内；(2) Hang the lifting insulating pulley 4 on the front splint 3 of the extension plate 22, align the rotation limit inner groove 111 and the limit pile 211, and insert the cylindrical vertical rod 21 into the cylindrical structure;
(3)安装完毕，即可用卡具专用吊带将卡具水平起吊。(3) After installation is completed, the clamp can be lifted horizontally using the clamp's special sling.
本装置的有益之处在于：The benefits of this device are:
(1)本装置采用绝缘性能优良、强度高的绝缘材料制作而成，并将起吊绝缘滑车4的挂点由工作面下方提升至工作面上方，同时，根据现场工作经验对尺寸进行了严格设计，使得位置处在最合理、最省力的地点，地面辅助人员用卡具专用吊带将卡具和单片绝缘子拉至工作面上方，等电位作业手只需调整吊臂角度和方位即可轻松的将卡具安装到位，该设计将大大减少作业手的劳动强度、降低人员操作失误率，同时大大提高作业手和设备的安全性；(1) This device is made of insulating materials with excellent insulation performance and high strength, and the hanging point of the lifting insulating pulley 4 is raised from below the working surface to above the working surface. At the same time, the dimensions are strictly designed based on on-site work experience. , so that the position is at the most reasonable and labor-saving location. The ground auxiliary personnel use a special sling for the clamp to pull the clamp and the single-chip insulator above the working surface. The equipotential operator only needs to adjust the angle and direction of the boom to easily With the fixture installed in place, this design will greatly reduce the labor intensity of the operator, reduce the operator error rate, and at the same time greatly improve the safety of the operator and the equipment;
(2)本装置结构简单、安装使用方便，其利用杠杆原理，并通过防坠绳固定环124、穿孔125与防坠绳的配合将装置稳定固定于钢帽处；(2) This device has a simple structure and is easy to install and use. It uses the lever principle and the device is stably fixed on the steel cap through the cooperation of the anti-fall rope fixing ring 124, the perforation 125 and the anti-fall rope;
(3)本装置通过旋转限位内槽111配合限位桩211，将穿入筒形基座11的柱形竖杆21的插入深度限位且水平90度限位旋转，可极大的提升等电位作业手调整卡具的空间；同时，卡具专用吊带使卡具水平提升，卡具安装时调整的幅度和方位更加便捷；(3) The device limits the insertion depth of the columnar vertical rod 21 inserted into the cylindrical base 11 and limits the horizontal rotation of 90 degrees by rotating the limit inner groove 111 and cooperating with the limit pile 211, which can greatly increase the space for the equal potential operator to adjust the fixture; at the same time, the special sling of the fixture can lift the fixture horizontally, making it more convenient to adjust the amplitude and direction when installing the fixture;
(4)本装置不仅用于220KV等电位更换耐张单片绝缘子工作，还同样适用于220KV以上带电(等电位)更换耐张单片绝缘子工作。(4) This device is not only used for the replacement of tension-resistant monolithic insulators at 220KV equipotential, but is also suitable for the replacement of tension-resistant monolithic insulators above 220KV (equal potential).
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。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 (6)
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