CN104201489A - Novel anti-falling-off grounding wire clamp device for electric power circuit - Google Patents
Novel anti-falling-off grounding wire clamp device for electric power circuit Download PDFInfo
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- CN104201489A CN104201489A CN201410367640.6A CN201410367640A CN104201489A CN 104201489 A CN104201489 A CN 104201489A CN 201410367640 A CN201410367640 A CN 201410367640A CN 104201489 A CN104201489 A CN 104201489A
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Abstract
本发明公开了一种新型电力线路防脱落接地线线夹装置,包括依次连接的金属线夹、主绝缘操作杆和助力手柄;主绝缘操作杆包括空心绝缘套筒和自锁式转动杆,空心绝缘套筒转动套设在自锁式转动杆上,且自锁式转动杆两端向外分别延伸出上延伸部和下延伸部,上延伸部的侧壁上相对设有两个限位孔,限位孔内设有可伸缩卡块;下延伸部的内侧壁上相对设有两个卡孔;金属线夹包括U形钩,U形钩的一端铰接连接杆,连接杆上设有螺纹孔,螺纹孔连接螺杆,螺杆的上端固定有压块,螺杆的下端与自锁式转动杆的顶端固定;助力手柄包括手摇式绝缘手柄,手摇式绝缘手柄与主绝缘操作杆的连接部采用自锁式套件,结构与自锁式转动杆顶端的上延伸部结构相同。
The invention discloses a novel power line anti-falling grounding wire clamp device, which includes metal wire clamps connected in sequence, a main insulating operating lever and a booster handle; the main insulating operating lever includes a hollow insulating sleeve and a self-locking rotating rod, and the hollow The insulating sleeve is rotatably set on the self-locking rotating rod, and the two ends of the self-locking rotating rod extend outward respectively to an upper extension part and a lower extension part, and two limiting holes are provided on the side wall of the upper extension part , there is a retractable block in the limit hole; there are two card holes on the inner wall of the lower extension; the metal wire clamp includes a U-shaped hook, and one end of the U-shaped hook is hinged to the connecting rod, and the connecting rod is provided with a screw thread Holes and threaded holes are connected to the screw, the upper end of the screw is fixed with a pressure block, the lower end of the screw is fixed to the top of the self-locking rotating rod; the power-assisted handle includes a hand-operated insulating handle, and the connecting part of the hand-operated insulating handle and the main insulating operating rod The self-locking kit is adopted, which has the same structure as the upper extension at the top of the self-locking turning rod.
Description
技术领域 technical field
本发明涉及电力系统维修设备技术领域,尤其涉及一种新型电力线路防脱落接地线线夹装置。 The invention relates to the technical field of power system maintenance equipment, in particular to a novel power line anti-dropping ground wire clamp device.
背景技术 Background technique
当电力系统进行停电检修时,为确保检修人员的安全,需要在检修设备的两侧装设地线,以防止突然来电造成的触电事故。目前,电力系统常用的接地线按使用场合的不同可分为线路接地线和母排接地线,线路接地线大多采用拆装比较方便的弹簧线夹式接地线,而随着弹簧弹力的下降和缺乏有效的防脱落措施,导致这种接地线容易发生意外脱落,近几年来,国内曾发生多起因接地线意外脱落引起的人身伤亡事故。为了解决地线脱落问题,部件厂家推出螺栓式线夹,依靠绝缘手柄的转动来夹紧或松开导线,虽然这种线夹避免了弹簧式线夹老化的问题,却带来了新的问题,由于只能依靠不断旋转绝缘手柄来夹紧导线,拆装费时费力,而且没有助力机构,使得力量小的人可能无法夹紧导线,接地线脱落的问题还是没有得到根本性解决。 When the power system undergoes power outage maintenance, in order to ensure the safety of the maintenance personnel, it is necessary to install ground wires on both sides of the maintenance equipment to prevent electric shock accidents caused by sudden power calls. At present, the grounding wires commonly used in power systems can be divided into line grounding wires and busbar grounding wires according to different usage occasions. The lack of effective anti-falling measures makes the grounding wire prone to accidental falling off. In recent years, there have been many personal injury accidents caused by the accidental falling off of the grounding wire in China. In order to solve the problem of ground wire falling off, component manufacturers have introduced bolt-type wire clamps, which rely on the rotation of the insulated handle to clamp or loosen the wires. Although this type of wire clamp avoids the aging problem of spring-type wire clamps, it brings new problems. , because the wire can only be clamped by constantly rotating the insulating handle, dismounting is time-consuming and laborious, and there is no power-assisted mechanism, so that people with weak strength may not be able to clamp the wire, and the problem of the ground wire falling off has not been fundamentally solved.
发明内容 Contents of the invention
本发明的目的是提供一种新型电力线路防脱落接地线线夹装置,能够满足不同电压等级的使用要求,并能够从根本上避免接地线意外脱落问题,防止电力系统在检修过程中因接地线脱落造成人员伤亡。 The purpose of the present invention is to provide a new type of anti-dropping grounding wire clamp device for power lines, which can meet the use requirements of different voltage levels, and can fundamentally avoid the problem of accidental falling off of the grounding wire, and prevent the grounding wire from being damaged during the maintenance process of the power system. Falling off caused casualties.
本发明采用的技术方案为: The technical scheme adopted in the present invention is:
一种新型电力线路防脱落接地线线夹装置,包括依次连接的金属线夹、主绝缘操作杆和助力手柄;所述的主绝缘操作杆包括空心绝缘套筒和自锁式转动杆,空心绝缘套筒和自锁式转动杆均呈中空柱状结构,空心绝缘套筒转动套设在自锁式转动杆上,且自锁式转动杆两端向外分别延伸出上延伸部和下延伸部,自锁式转动杆顶端的上延伸部的侧壁上相对设有两个限位孔,可伸缩卡块设于限位孔内,并且卡块的前端伸出限位孔;自锁式转动杆的下端的下延伸部的内侧壁上相对设有两个卡孔;所述的金属线夹包括U形钩,U形钩的一端通过螺栓铰接一根连接杆,连接杆上设有螺纹孔,螺纹孔内螺纹连接有螺杆,螺杆的上端固定有一个压块,螺杆的下端与自锁式转动杆的顶端固定;所述的助力手柄包括手摇式绝缘手柄,手摇式绝缘手柄通过自锁式套件与主绝缘操作杆的底端连接,自锁式套件结构与自锁式转动杆顶端的上延伸部结构相同,且自锁式套件与自锁式转动杆下延伸部匹配插接,自锁式套件的卡块嵌入主绝缘操作杆自锁式转动杆下端下延伸部的卡孔内。 A new type of anti-falling grounding wire clamp device for power lines, including metal wire clamps connected in sequence, a main insulating operating lever and a booster handle; the main insulating operating lever includes a hollow insulating sleeve and a self-locking rotating rod, and the hollow insulating Both the sleeve and the self-locking rotating rod have a hollow cylindrical structure, and the hollow insulating sleeve is rotatably sleeved on the self-locking rotating rod, and the two ends of the self-locking rotating rod extend outward respectively to an upper extension and a lower extension. The side wall of the upper extension at the top of the self-locking rotating rod is oppositely provided with two limit holes, the telescopic block is arranged in the limit hole, and the front end of the block extends out of the limit hole; the self-locking rotating rod The inner side wall of the lower extension of the lower end of the lower end is relatively provided with two clamping holes; the metal wire clamp includes a U-shaped hook, and one end of the U-shaped hook is hinged to a connecting rod through a bolt, and the connecting rod is provided with a threaded hole. The threaded hole is connected with a screw rod, the upper end of the screw rod is fixed with a pressure block, the lower end of the screw rod is fixed with the top end of the self-locking rotating rod; The self-locking kit is connected to the bottom end of the main insulating operating rod. The structure of the self-locking kit is the same as that of the upper extension at the top of the self-locking rotating rod, and the self-locking kit is matched with the lower extension of the self-locking rotating rod. The block of the lock kit is embedded in the card hole of the lower extension of the self-locking rotating rod of the main insulating operating rod.
所述的空心绝缘套筒转动套设在自锁式转动杆上,采用轴承连接。 The hollow insulating sleeve is rotatably set on the self-locking rotating rod and connected by bearings.
还包括一根辅助绝缘操作杆,与主绝缘操作杆的下端可拆卸连接。 Also included is an auxiliary insulating operating rod detachably connected to the lower end of the main insulating operating rod.
所述的辅助绝缘操作杆与主绝缘操作杆的不同之处在于:辅助绝缘操作杆的空心绝缘套筒内部设有双向棘轮组,并在辅助绝缘操作杆的空心绝缘套筒上设有按钮孔,双向棘轮转换钮设置在按钮孔内。 The difference between the auxiliary insulating operating rod and the main insulating operating rod is that: the hollow insulating sleeve of the auxiliary insulating operating rod is provided with a two-way ratchet group, and the hollow insulating sleeve of the auxiliary insulating operating rod is provided with a button hole , the two-way ratchet conversion button is set in the button hole.
所述的压块的上表面向下呈弧形凹陷。 The upper surface of the pressing block is concave downward in an arc shape.
所述的自锁式转动杆的上端上延伸部采用六棱柱结构;自锁式转动杆的下端下延伸部采用六棱柱结构,且辅助绝缘操作杆自锁式转动杆的顶部六棱柱结构匹配插设在主绝缘操作杆自锁式转动杆下端的六棱柱结构内。 The upper extension of the self-locking rotating rod adopts a hexagonal prism structure; the lower extension of the self-locking rotating rod adopts a hexagonal prism structure, and the top hexagonal prism structure of the self-locking rotating rod of the auxiliary insulating operating rod matches the plug It is arranged in the hexagonal prism structure at the lower end of the self-locking rotating rod of the main insulating operating rod.
本发明为了满足不同电压等级的使用要求,采用分段式绝缘操作杆,绝缘操作杆采用自锁式转动杆进行连接,使用时只需将自锁式转动杆用力插入或拔出就可以安装或者拆除两段绝缘操作杆,使用方便、操作简单、快捷;再利用空心绝缘套筒与自锁式转动杆的轴承转动连接结构,再加上助力手柄,可以对主绝缘操作杆进行省力的旋转操作,从而使得金属线夹的U形钩与压块组合的封闭式弧形夹口加紧导线,从根本上避免接地线意外脱落问题,防止电力系统在检修过程中因接地线脱落造成人员伤亡。 In order to meet the use requirements of different voltage levels, the present invention adopts segmented insulating operating rods, and the insulating operating rods are connected by self-locking rotating rods. When in use, the self-locking rotating rods can be installed or pulled out only by forcefully inserting or pulling them out. It is easy to use, simple and quick to operate by removing the two sections of insulating operating rods; the hollow insulating sleeve and the bearing rotating connection structure of the self-locking rotating rod, together with the power-assisted handle, can perform labor-saving rotating operation on the main insulating operating rod , so that the U-shaped hook of the metal wire clamp and the closed arc clamp combined with the pressing block tighten the wire, fundamentally avoid the accidental drop of the ground wire, and prevent casualties caused by the fall of the ground wire during the maintenance process of the power system.
附图说明 Description of drawings
图1为本发明的金属线夹和主绝缘操作杆结构示意主视图; Fig. 1 is a schematic front view of the structure of the metal wire clamp and the main insulating operating rod of the present invention;
图2为本发明的主绝缘操作杆和助力手柄结构示意主视图; Fig. 2 is a schematic front view of the structure of the main insulating operating rod and the booster handle of the present invention;
图3为本发明的辅助绝缘操作杆结构示意图; Fig. 3 is a structural schematic diagram of the auxiliary insulating operating rod of the present invention;
图4为本发明的双向棘轮结构示意图。 Fig. 4 is a structural schematic diagram of the bidirectional ratchet of the present invention.
具体实施方式 Detailed ways
如图1、图2、图3和图4所示,本发明包括依次连接的金属线夹、主绝缘操作杆和助力手柄;所述的主绝缘操作杆包括空心绝缘套筒1和自锁式转动杆2,空心绝缘套筒1和自锁式转动杆2均呈中空柱状结构,空心绝缘套筒1通过轴承转动套设在自锁式转动杆2上,且自锁式转动杆2两端向外分别延伸出上延伸部和下延伸部。自锁式转动杆2上端的上延伸部采用六棱柱结构,自锁式转动杆2顶端上延伸部的两个相对侧壁上各设有一个限位孔,可伸缩卡块3设于限位孔内,并且卡块3的的前端伸出限位孔;自锁式转动杆2下端的下延伸部采用六棱柱结构,自锁式转动杆2下端的下延伸部的两个相对内侧壁上各设有一个卡孔5。所述的金属线夹包括U形钩6,U形钩6的一端通过螺栓7铰接一根连接杆8,连接杆8上设有螺纹孔9,螺纹孔9内螺纹连接有螺杆11,螺杆11的上端固定有一个压块10,压块10的上表面向下呈弧形凹陷,螺杆11的下端与自锁式转动杆2的顶端固定;所述的助力手柄包括手摇式绝缘手柄12,手摇式绝缘手柄12通过自锁式套件21与主绝缘操作杆连接,自锁式套件21结构与自锁式转动杆2顶端的上延伸部结构相同,且自锁式套件21与自锁式转动杆2下延伸部匹配插接,自锁式套件21的卡块3嵌入主绝缘操作杆自锁式转动杆2下端下延伸部的卡孔5内。 As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present invention includes a metal wire clamp, a main insulating operating lever and a booster handle connected in sequence; the main insulating operating lever includes a hollow insulating sleeve 1 and a self-locking type The rotating rod 2, the hollow insulating sleeve 1 and the self-locking rotating rod 2 are all in a hollow columnar structure, the hollow insulating sleeve 1 is set on the self-locking rotating rod 2 through bearing rotation, and the two ends of the self-locking rotating rod 2 An upper extension part and a lower extension part respectively extend outward. The upper extension of the self-locking rotating rod 2 upper end adopts a hexagonal prism structure, and the two opposite side walls of the upper extension of the self-locking rotating rod 2 top are respectively provided with a limit hole, and the telescopic clamping block 3 is located at the limit In the hole, and the front end of the block 3 extends out of the limit hole; the lower extension of the lower end of the self-locking rotating rod 2 adopts a hexagonal prism structure, and the two opposite inner walls of the lower extension of the lower end of the self-locking rotating rod 2 Each is provided with a card hole 5 . Described metal wire clamp comprises U-shaped hook 6, and one end of U-shaped hook 6 is hinged a connecting rod 8 by bolt 7, and connecting rod 8 is provided with threaded hole 9, and threaded hole 9 internal thread is connected with screw rod 11, and screw rod 11 A briquetting block 10 is fixed on the upper end of the briquetting block 10, and the upper surface of the briquetting block 10 is downwardly arc-shaped, and the lower end of the screw rod 11 is fixed to the top of the self-locking rotating rod 2; the power-assisted handle includes a hand-operated insulating handle 12, The hand-operated insulated handle 12 is connected with the main insulating operating rod through a self-locking sleeve 21. The structure of the self-locking sleeve 21 is the same as the structure of the upper extension at the top of the self-locking rotating rod 2, and the self-locking sleeve 21 is the same as the self-locking type. The lower extension of the rotating rod 2 is mated and inserted, and the block 3 of the self-locking kit 21 is embedded in the clamping hole 5 of the lower extension of the self-locking rotating rod 2 of the main insulating operating rod.
本发明为了满足不同电压等级的使用要求,还包括一根辅助绝缘操作杆,与主绝缘操作杆的下端可拆卸连接,辅助绝缘操作杆与主绝缘操作杆的不同之处在于:辅助绝缘操作杆的空心绝缘套筒13内部设有双向棘轮组19,并在辅助绝缘操作杆的空心绝缘套筒13上设有按钮孔17,双向棘轮转换钮18设置在按钮孔17内,且辅助绝缘操作杆自锁式转动杆14的顶部六棱柱结构上的卡块15匹配穿设在主绝缘操作杆自锁式转动杆2下端的六棱柱结构的卡孔5内;此时,再将助力手柄的自锁式套件21的卡块卡在辅助绝缘操作杆自锁式转动杆14的下端的卡孔16内。 In order to meet the use requirements of different voltage levels, the present invention also includes an auxiliary insulating operating rod, which is detachably connected to the lower end of the main insulating operating rod. The difference between the auxiliary insulating operating rod and the main insulating operating rod is that the auxiliary insulating operating rod The hollow insulating sleeve 13 inside is provided with a two-way ratchet group 19, and a button hole 17 is provided on the hollow insulating sleeve 13 of the auxiliary insulating operating rod. The two-way ratchet conversion button 18 is arranged in the button hole 17, and the auxiliary insulating operating rod The block 15 on the top hexagonal prism structure of the self-locking rotating rod 14 matches in the clamping hole 5 of the hexagonal prism structure at the lower end of the main insulating operating rod self-locking rotating rod 2; The locking block of the locking set 21 is locked in the locking hole 16 at the lower end of the self-locking rotating lever 14 of the auxiliary insulating operating rod.
本发明的金属线夹的U形钩6与压块10组合起来后,呈现出封闭式的弧形夹口,用于夹住导线,弧形夹口使得导线与金属线夹贴合更加紧密。在进行实际操作时,工作人员手握空心绝缘套筒1保持不动,另一只手握住空心绝缘套筒1尾部安装的助力手柄进行旋转,旋转的方向根据螺纹的方向设定,将金属线夹的夹口打开,在旋转的过程中,由于空心绝缘套筒1与自锁式转动杆2通过上下两端各设置的一个轴承20连接,很大程度上,降低了使用者的施力力度,并且使得自锁式转动杆2带动螺杆11及螺杆顶部的压块10一起向下运动,此时,即可打开金属线夹的夹口,打开夹口后,可以进行高空高压电线的挂设。挂设后,可以采用同样的操作方式,向相反的方向进行旋转,从而将螺杆11及螺杆顶部的压块10一起向上运动,将导线固定在弧形夹口内部。 After the U-shaped hook 6 of the metal wire clamp of the present invention is combined with the pressing block 10, it presents a closed arc-shaped jaw for clamping the wire, and the arc-shaped jaw makes the wire and the metal wire clamp more tightly bonded. During the actual operation, the staff holds the hollow insulating sleeve 1 and keeps it still, and the other hand holds the power-assisted handle installed at the end of the hollow insulating sleeve 1 to rotate. The direction of rotation is set according to the direction of the thread, and the metal The jaw of the cable clamp is opened, and during the rotation process, since the hollow insulating sleeve 1 and the self-locking rotating rod 2 are connected by a bearing 20 provided at the upper and lower ends, the user's force is greatly reduced force, and make the self-locking rotating rod 2 drive the screw 11 and the pressure block 10 on the top of the screw to move downward together. At this time, the jaw of the metal wire clamp can be opened. set up. After hanging, the same operation method can be used to rotate in the opposite direction, so that the screw 11 and the pressing block 10 on the top of the screw move upward together, and the wire is fixed inside the arc-shaped jaw.
为了满足不同电压等级的使用要求,本发明采用分段式绝缘操作杆,不仅包括一根主绝缘操作杆,还包括一根辅助绝缘操作杆,可根据现场使用高度的不同使用单段或两段绝缘操作杆,同时为了使得连接和拆除更加方便,我们采用自锁式转动杆的结构,使用时只需将分段式绝缘操作杆的自锁式转动杆用力插入或拔出就可以安装或者拆除两段绝缘操作杆。以主绝缘操作杆为例,由于自锁式转动杆2中设计了自锁机构(自锁机构就是卡块与卡孔5结构),使得分段式绝缘操作杆连接后十分牢固。所述的自锁式转动杆2上端的上延伸部采用六棱柱结构,自锁式转动杆2的下端下延伸部采用六棱柱结构,自锁式转动杆2的上端上延伸部的六棱柱结构的两个相对侧壁上分别设置一个限位孔,限位孔内设有可伸缩卡块3,可伸缩卡块3主要利用一根弹簧4,在弹簧4的两端各设置一个可伸缩卡块3,就像我们平时使用的伞的开启装置;自锁式转动杆2的下端下延伸部采用六棱柱结构,六棱柱结构的下延伸部的两个相对内侧壁上分别设有一个卡孔5;六棱柱结构一方面方便抽插,另一方面主要用于在使用手摇式绝缘手柄12进行旋转的时候,能够更好的进行转动。在进行连接或者拆卸时,将辅助绝缘操作杆自锁式转动杆14上端的上延伸部与主绝缘操作杆下端的下延伸部相插接,在进行插接时,辅助绝缘操作杆自锁式转动杆14上端的上延伸部的两个卡块15会在受力的状态下,自动向内伸缩,当插接到一定的程度时,卡块15遇到主绝缘操作杆的下端的卡孔5时,会自动的弹出,卡在卡孔5内,完成自锁功能;同样的,助力手柄与主绝缘操作杆或者辅助绝缘操作杆的下端连接时,采用一样的连接方式。当需要使用到辅助绝缘操作杆时,还可以利用双向棘轮组19结构,双向棘轮组19结构可以通过切换双向棘轮转换钮18的方式,进行旋转方向的切换,使得绝缘杆只能向一个方向转动,一方面可以在进行加紧导线时使用,一旦夹紧导线后就不会松动,从根本上避免了接地线意外脱落的问题;另一方面,在需要从导线上拆卸下来时,切换到相反的方向,这样更加容易使得工作人员快速的拆卸。双向棘轮组19结构属于现有成熟技术,在此不再详细赘述在本发明中是如何利用的。同时,本发明还使用到助力手柄,通过杠杆原理增加对绝缘操作杆的力矩,使得工作人员在施加更小的作用力时,就能将接地线线夹对导线的夹力大大增加,从而节省人力。 In order to meet the use requirements of different voltage levels, the present invention uses segmented insulating operating rods, including not only a main insulating operating rod, but also an auxiliary insulating operating rod, which can be used in a single segment or in two segments according to the different heights used on site. Insulated operating rod, at the same time, in order to make the connection and removal more convenient, we adopt the structure of the self-locking rotating rod. When using it, you only need to insert or pull out the self-locking rotating rod of the segmented insulating operating rod to install or remove it. Two-section insulated operating rod. Taking the main insulating operating rod as an example, since the self-locking mechanism is designed in the self-locking rotating rod 2 (the self-locking mechanism is the structure of the locking block and the locking hole 5), the segmented insulating operating rod is very firmly connected. The upper extension of the upper end of the self-locking rotating rod 2 adopts a hexagonal prism structure, the lower extension of the self-locking rotating rod 2 adopts a hexagonal prism structure, and the upper end of the self-locking rotating rod 2 has a hexagonal prism structure. A limit hole is respectively arranged on the two opposite side walls of the spacer, and a retractable block 3 is arranged in the limit hole. The retractable block 3 mainly utilizes a spring 4, and a retractable block is respectively arranged at both ends of the spring 4. Block 3 is like the opening device of the umbrella we usually use; the lower extension of the lower end of the self-locking rotating rod 2 adopts a hexagonal prism structure, and two opposite inner walls of the lower extension of the hexagonal prism structure are respectively provided with a card hole 5. On the one hand, the hexagonal prism structure is convenient for pulling and inserting, and on the other hand, it is mainly used for better rotation when the hand-cranked insulating handle 12 is used for rotation. When connecting or disassembling, the upper extension of the auxiliary insulating operating rod self-locking rotating rod 14 is inserted into the lower extension of the lower end of the main insulating operating rod. When plugging, the auxiliary insulating operating rod is self-locking The two blocks 15 on the upper extension of the upper end of the rotating rod 14 will automatically expand and contract inward under the state of being stressed. When inserted to a certain extent, the blocks 15 will meet the card holes at the lower end of the main insulating operating rod. At 5 o'clock, it will automatically pop up and be stuck in the clamping hole 5 to complete the self-locking function; similarly, when the booster handle is connected to the lower end of the main insulating operating rod or the auxiliary insulating operating rod, the same connection method is adopted. When it is necessary to use the auxiliary insulating operating rod, the structure of the two-way ratchet group 19 can also be used. The structure of the two-way ratchet group 19 can switch the direction of rotation by switching the mode of the two-way ratchet conversion button 18, so that the insulating rod can only rotate in one direction , On the one hand, it can be used when tightening the wire, once the wire is clamped, it will not loosen, which fundamentally avoids the problem of accidental falling off of the ground wire; on the other hand, when it needs to be removed from the wire, switch to the opposite direction, which makes it easier for the staff to quickly disassemble. The structure of the two-way ratchet group 19 belongs to the existing mature technology, and how it is utilized in the present invention will not be described in detail here. At the same time, the present invention also uses a booster handle to increase the torque on the insulating operating rod through the principle of leverage, so that when the staff applies a smaller force, the clamping force of the grounding wire clamp on the wire can be greatly increased, thereby saving manpower.
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