CN204992423U - Transmission line plays portable hand hank of heavy work and grinds - Google Patents
Transmission line plays portable hand hank of heavy work and grinds Download PDFInfo
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Abstract
本实用新型输电线路起重作业便携式手摇绞磨,包括支撑架、绕线筒、第一转轴和第二转轴,所述第一转轴和第二转轴均转动安装在所述支撑架上,所述绕线筒固定在所述第一转轴上,所述第一转轴上设有第一齿轮,所述第二转轴上设有第二齿轮,所述第一齿轮和第二齿轮相互啮合,所述第一转轴的两个端部中的至少一个端部、第二转轴的两个端部中的至少一个端部均露出且横截面为多边形,用于与手摇把配合连接。本实用新型结构简单、易于制造、使用方便,可以通过调整各齿轮的直径设置三个不同的档位,有效控制起吊重物的起吊速度与重量,能够克服传统人力拉线起重缺乏固定点、费力且安全性差等缺点,具有便携、省力、易操作、可靠性高、实用性强等优点。
The utility model portable hand winch for lifting operation of power transmission lines comprises a support frame, a winding barrel, a first rotating shaft and a second rotating shaft, and the first rotating shaft and the second rotating shaft are both rotatably mounted on the supporting frame. The bobbin is fixed on the first shaft, the first shaft is provided with a first gear, the second shaft is provided with a second gear, and the first gear and the second gear mesh with each other, so At least one of the two ends of the first rotating shaft and at least one of the two ends of the second rotating shaft are exposed and have a polygonal cross-section for mating connection with the hand crank. The utility model is simple in structure, easy to manufacture, and convenient to use. Three different gears can be set by adjusting the diameter of each gear to effectively control the lifting speed and weight of lifting heavy objects, and can overcome the lack of fixed points and laborious lifting of traditional manpower pulling wires. And the disadvantages such as poor security, has the advantages of portability, labor saving, easy operation, high reliability, and strong practicability.
Description
技术领域technical field
本实用新型涉及起重设备,具体地说涉及一种输电线路起重作业便携式手摇绞磨。The utility model relates to lifting equipment, in particular to a portable hand winch for lifting operation of transmission lines.
背景技术Background technique
输电线路起重作业是线路停电作业或带电检修中的一项重要内容,对保障线路检修工作的安全和顺利开展至关重要。The lifting operation of transmission line is an important part of line power outage operation or live maintenance, and it is very important to ensure the safety and smooth progress of line maintenance work.
现有检修作业中,一般是靠人力起重,这种方式劳动强度大、费事费力,而且缺乏可靠锚地点,作业时绳索的收放速度难以控制,给检修作业起吊重物带来不便,并存在安全隐患,威胁起重作业人员的人身安全和设备安全,同时也浪费了大量的人力、物力。In the existing maintenance work, the lifting is generally done by manpower. This method is labor-intensive, labor-intensive, and lacks a reliable anchor point. It is difficult to control the speed of the rope during operation, which brings inconvenience to the lifting of heavy objects in the maintenance work, and it is difficult to There are potential safety hazards, which threaten the personal safety and equipment safety of lifting operators, and also waste a lot of manpower and material resources.
因此,如何实现起重作业的便携、快捷、省力、可控、可靠、安全是值得深入研究的一项课题。Therefore, how to realize the portable, fast, labor-saving, controllable, reliable and safe lifting operation is a topic worthy of further study.
实用新型内容Utility model content
本实用新型所要解决的技术问题是提供一种便携、省力、易操作、可靠性高、实用性强的输电线路起重作业便携式手摇绞磨。The technical problem to be solved by the utility model is to provide a portable, labor-saving, easy-to-operate, high-reliability, and practical portable hand winch for lifting operations on transmission lines.
为了解决上述技术问题,本实用新型采用如下技术方案:输电线路起重作业便携式手摇绞磨,包括支撑架、绕线筒、第一转轴和第二转轴,所述第一转轴和第二转轴均转动安装在所述支撑架上,所述绕线筒固定在所述第一转轴上,所述第一转轴上设有第一齿轮,所述第二转轴上设有第二齿轮,所述第一齿轮和第二齿轮相互啮合,所述第一转轴的两个端部中的至少一个端部、第二转轴的两个端部中的至少一个端部均露出且横截面为多边形,用于与手摇把配合连接。In order to solve the above-mentioned technical problems, the utility model adopts the following technical scheme: a portable hand winch for power transmission line lifting operation, including a support frame, a winding drum, a first rotating shaft and a second rotating shaft, and the first rotating shaft and the second rotating shaft are all rotatably mounted on the support frame, the bobbin is fixed on the first shaft, the first shaft is provided with a first gear, the second shaft is provided with a second gear, and the The first gear and the second gear are meshed with each other, at least one of the two ends of the first rotating shaft and at least one of the two ends of the second rotating shaft are exposed and have a polygonal cross-section. To be connected with the hand crank.
进一步的,所述支撑架上还转动安装有第三转轴,所述第二转轴上设有第三齿轮,所述第三转轴上设有第四齿轮,所述第三齿轮和第四齿轮相互啮合,所述第三转轴的两个端部中的至少一个端部露出且横截面为多边形,用于与手摇把配合连接。Further, a third rotating shaft is also rotatably installed on the support frame, a third gear is provided on the second rotating shaft, a fourth gear is provided on the third rotating shaft, and the third gear and the fourth gear are mutually Engagement, at least one of the two ends of the third rotating shaft is exposed and has a polygonal cross-section, which is used for mating connection with the hand crank.
进一步的,所述第三转轴上还设有第五齿轮,所述支撑架上相应第五齿轮的位置处开有第一螺纹通孔,所述第一螺纹通孔内螺纹连接有逆止螺栓,所述逆止螺栓在所述第一螺纹通孔内旋进旋退时,所述逆止螺栓的靠近所述第五齿轮的一端可从第五齿轮的齿槽内伸入伸出。Further, the third rotating shaft is also provided with a fifth gear, and a first threaded through hole is opened at the position corresponding to the fifth gear on the support frame, and the first threaded through hole is internally threaded with a backstop bolt , when the backstop bolt is screwed in and out in the first threaded through hole, the end of the backstop bolt close to the fifth gear can protrude in and out from the tooth slot of the fifth gear.
进一步的,所述支撑架为由两根竖支架和两根横支架相连构成的矩形框架结构,所述支撑架的两根竖支架上分别具有一水平向外伸出的第一连接块,所述第一转轴安装在两所述第一连接块上,所述第二转轴和第三转轴均安装在所述支撑架的两根竖支架上,且所述第三转轴位于所述第二转轴的上方,所述第一转轴、第二转轴和第三转轴相互平行且水平布置,所述第一螺纹通孔设于所述支撑架的上侧横支架。Further, the support frame is a rectangular frame structure formed by connecting two vertical supports and two horizontal supports, and the two vertical supports of the support frame respectively have a first connecting block protruding horizontally outwards, so The first rotating shaft is installed on the two first connecting blocks, the second rotating shaft and the third rotating shaft are installed on the two vertical supports of the support frame, and the third rotating shaft is located on the second rotating shaft Above, the first rotating shaft, the second rotating shaft and the third rotating shaft are arranged parallel to each other and horizontally, and the first threaded through hole is provided on the upper side cross bracket of the support frame.
进一步的,所述支撑架上还设有用于将所述输电线路起重作业便携式手摇绞磨绑定到输电线路塔上的绑定机构。Further, the support frame is also provided with a binding mechanism for binding the portable hand winch for lifting operation of the transmission line to the transmission line tower.
进一步的,所述绑定机构包括第二连接块、第三连接块、螺杆和绑绳,所述第二连接块和第三连接块均铰接在所述支撑架上,所述第二连接块上开有第二螺纹通孔,所述螺杆旋接在所述第二螺纹通孔内,所述第三连接块上开有一通孔以及一个以上与所述通孔相连通的螺纹孔,所述绑绳的一端穿过通孔并通过旋接在螺纹孔内的紧定螺栓固定,所述绑绳的另一端连接在所述螺杆的一端,所述螺杆的另一端旋接有锁紧螺母。Further, the binding mechanism includes a second connection block, a third connection block, a screw rod and a binding rope, the second connection block and the third connection block are both hinged on the support frame, and the second connection block A second threaded through hole is opened on the top, and the screw rod is screwed into the second threaded through hole. A through hole and more than one threaded hole communicated with the through hole are opened on the third connecting block. One end of the binding rope passes through the through hole and is fixed by a set bolt screwed in the threaded hole, the other end of the binding rope is connected to one end of the screw, and the other end of the screw is screwed with a lock nut .
进一步的,所述支撑架为由两根竖支架和两根横支架相连构成的矩形框架结构,所述支撑架的两根横支架上分别设有所述绑定机构,所述支撑架的横支架的两端分别具有水平向外伸出的突出部,所述第二连接块和第三连接块一一对应铰接在所述支撑架的横支架的两突出部上。Further, the support frame is a rectangular frame structure formed by connecting two vertical supports and two horizontal supports, the two horizontal supports of the support frame are respectively provided with the binding mechanism, and the horizontal The two ends of the bracket respectively have protruding parts protruding horizontally outwards, and the second connecting block and the third connecting block are respectively hinged on the two protruding parts of the horizontal bracket of the supporting frame.
进一步的,所述第二连接块和第三连接块均具有水平面内的转动自由度,所述第二螺纹通孔和通孔的轴线均平行于水平面,所述第二连接块与所述支撑架的横支架的突出部之间通过锁链铰接相连。Further, both the second connection block and the third connection block have a degree of freedom of rotation in the horizontal plane, the axes of the second threaded through hole and the through hole are parallel to the horizontal plane, and the second connection block and the support The protrusions of the cross brackets of the frame are hingedly connected by a chain.
进一步的,所述支撑架的横支架的位于两突出部之间的部分设有与输电线路塔的绑定部位形状相应的卡槽。Further, the part of the cross bracket of the support frame between the two protruding parts is provided with a slot corresponding to the shape of the binding part of the transmission line tower.
本实用新型的有益效果为:本实用新型结构简单、易于制造、使用方便,可以通过调整各齿轮的直径设置三个不同的档位(根据力矩作用原理),使用时,根据需要,通过手摇把转动相应的转轴,可以有效控制起吊重物的起吊速度与重量,操作人员可以灵活控制,能够克服传统人力拉线起重缺乏固定点、费力且安全性差等缺点,具有便携、省力、易操作、可靠性高、实用性强等优点,能够大大提高输电线路起重作业的效率、安全性及可靠性,具有重要的推广价值与实用意义。The beneficial effects of the utility model are: the utility model is simple in structure, easy to manufacture, and convenient to use. Three different gear positions can be set by adjusting the diameter of each gear (according to the principle of torque action). Turning the corresponding shaft can effectively control the lifting speed and weight of the heavy object, and the operator can control it flexibly, which can overcome the shortcomings of traditional manpower cable lifting such as lack of fixed points, laborious and poor safety, etc. It is portable, labor-saving, easy to operate, The advantages of high reliability and strong practicability can greatly improve the efficiency, safety and reliability of power transmission line lifting operations, and have important promotion value and practical significance.
附图说明Description of drawings
图1是本实用新型一实施例的主视图。Fig. 1 is a front view of an embodiment of the utility model.
图2是图1的俯视图。FIG. 2 is a top view of FIG. 1 .
图3是图1的左视图。Fig. 3 is a left side view of Fig. 1 .
图4是图1的右视图。Fig. 4 is a right side view of Fig. 1 .
附图中各部件的标记为:1支撑架、11第一螺纹通孔、12逆止螺栓、13第一连接块、14突出部、15卡槽、2绕线筒、3第一转轴、31第一齿轮、4第二转轴、41第二齿轮、42第三齿轮、5第三转轴、51第四齿轮、52第五齿轮、61第二连接块、611第二螺纹通孔、612锁链、62第三连接块、621通孔、622螺纹孔、623紧定螺栓、63螺杆、64绑绳、65锁紧螺母。The marks of each component in the accompanying drawings are: 1 support frame, 11 first threaded through hole, 12 backstop bolt, 13 first connecting block, 14 protrusion, 15 card slot, 2 bobbin, 3 first rotating shaft, 31 First gear, 4 second rotating shaft, 41 second gear, 42 third gear, 5 third rotating shaft, 51 fourth gear, 52 fifth gear, 61 second connecting block, 611 second threaded through hole, 612 chain, 62 the third connecting block, 621 through hole, 622 threaded hole, 623 set bolt, 63 screw rod, 64 tie rope, 65 lock nut.
具体实施方式detailed description
下面结合附图对本实用新型作进一步描述:Below in conjunction with accompanying drawing, the utility model will be further described:
参见图1。See Figure 1.
本实用新型一实施例的输电线路起重作业便携式手摇绞磨,包括支撑架1、绕线筒2、第一转轴3和第二转轴4,所述第一转轴3和第二转轴4均转动安装在所述支撑架1上,所述绕线筒2固定在所述第一转轴3上,所述第一转轴3上设有第一齿轮31,所述第二转轴4上设有第二齿轮41,所述第一齿轮31和第二齿轮41相互啮合,所述第一转轴3的两个端部中的至少一个端部、第二转轴4的两个端部中的至少一个端部均露出且横截面为多边形,用于与手摇把配合连接。The portable hand-cranked winch for power transmission line lifting operation according to an embodiment of the utility model includes a support frame 1, a bobbin 2, a first rotating shaft 3 and a second rotating shaft 4, and the first rotating shaft 3 and the second rotating shaft 4 are both Rotationally installed on the support frame 1, the bobbin 2 is fixed on the first rotating shaft 3, the first rotating shaft 3 is provided with a first gear 31, and the second rotating shaft 4 is provided with a first Two gears 41, the first gear 31 and the second gear 41 mesh with each other, at least one of the two ends of the first rotating shaft 3, at least one of the two ends of the second rotating shaft 4 Both parts are exposed and the cross-section is polygonal, which is used to cooperate with the hand crank.
参见图1,本实施例中,所述支撑架1上还转动安装有第三转轴5,所述第二转轴4上设有第三齿轮42,所述第三转轴5上设有第四齿轮51,所述第三齿轮42和第四齿轮51相互啮合,所述第三转轴5的两个端部中的至少一个端部露出且横截面为多边形,用于与手摇把配合连接。采用以上技术方案,可以通过调整各齿轮的直径设置三个不同的档位(根据力矩作用原理),使用时,根据需要,通过手摇把转动相应的转轴,可以有效控制起吊重物的起吊速度与重量。Referring to FIG. 1 , in this embodiment, a third rotating shaft 5 is also rotatably mounted on the support frame 1 , a third gear 42 is provided on the second rotating shaft 4 , and a fourth gear is provided on the third rotating shaft 5 51, the third gear 42 and the fourth gear 51 mesh with each other, at least one of the two ends of the third rotating shaft 5 is exposed and has a polygonal cross-section, which is used to cooperate with the hand crank. Using the above technical scheme, three different gears can be set by adjusting the diameter of each gear (according to the principle of torque action). When in use, according to the need, the lifting speed of the heavy object can be effectively controlled by turning the corresponding shaft through the hand crank. with weight.
参见图1,本实施例中,所述第三转轴5上还设有第五齿轮52,所述支撑架1上相应第五齿轮52的位置处开有第一螺纹通孔11,所述第一螺纹通孔11内螺纹连接有逆止螺栓12,所述逆止螺栓12在所述第一螺纹通孔11内旋进旋退时,所述逆止螺栓12的靠近所述第五齿轮52的一端可从第五齿轮52的齿槽内伸入伸出。这样通过调整逆止螺栓12的位置,能够控制第五齿轮52平顺转动和转动停止,继而控制第一转轴3的平顺转动和转动停止,达到起吊或逆止闭锁的目的,可实现对起吊重物的上下起吊及为人员暂时休息固定齿轮提供支撑。Referring to Fig. 1, in this embodiment, a fifth gear 52 is also provided on the third rotating shaft 5, and a first threaded through hole 11 is opened at a position corresponding to the fifth gear 52 on the support frame 1. A threaded through hole 11 is internally threaded with a backstop bolt 12. When the backstop bolt 12 is screwed in and out in the first threaded through hole 11, the backstop bolt 12 close to the fifth gear 52 One end of can extend in and out from the tooth groove of the fifth gear 52 . In this way, by adjusting the position of the backstop bolt 12, the fifth gear 52 can be controlled to rotate smoothly and stop, and then the first rotating shaft 3 can be controlled to rotate smoothly and stop, so as to achieve the purpose of lifting or backstop locking, and can achieve the purpose of lifting heavy objects. Lifting up and down and providing support for personnel to temporarily rest and fix gears.
参见图1、图3和图4,本实施例中,所述支撑架1为由两根竖支架和两根横支架相连构成的矩形框架结构,所述支撑架1的两根竖支架上分别具有一水平向外伸出的第一连接块13,所述第一转轴3安装在两所述第一连接块13上,所述第二转轴4和第三转轴5均安装在所述支撑架1的两根竖支架上,且所述第三转轴5位于所述第二转轴4的上方,所述第一转轴3、第二转轴4和第三转轴5相互平行且水平布置,所述第一螺纹通孔11设于所述支撑架1的上侧横支架。Referring to Fig. 1, Fig. 3 and Fig. 4, in the present embodiment, the support frame 1 is a rectangular frame structure formed by connecting two vertical supports and two horizontal supports, and the two vertical supports of the support frame 1 are respectively There is a first connecting block 13 protruding horizontally, the first rotating shaft 3 is installed on the two first connecting blocks 13, and the second rotating shaft 4 and the third rotating shaft 5 are installed on the support frame 1, and the third rotating shaft 5 is located above the second rotating shaft 4, the first rotating shaft 3, the second rotating shaft 4 and the third rotating shaft 5 are arranged parallel to each other and horizontally, the first rotating shaft A threaded through hole 11 is provided on the upper side bracket of the support frame 1 .
本实施例中,所述支撑架1上还设有用于将所述输电线路起重作业便携式手摇绞磨绑定到输电线路塔上的绑定机构。具体实施时,参见图2,所述绑定机构包括第二连接块61、第三连接块62、螺杆63和绑绳64,所述第二连接块61和第三连接块62均铰接在所述支撑架1上,所述第二连接块61上开有第二螺纹通孔611,所述螺杆63旋接在所述第二螺纹通孔611内,所述第三连接块62上开有一通孔621以及一个以上与所述通孔621相连通的螺纹孔622,所述绑绳64的一端穿过通孔621并通过旋接在螺纹孔622内的紧定螺栓623固定,所述绑绳64的另一端连接在所述螺杆63的一端,所述螺杆63的另一端旋接有锁紧螺母65。操作时,先将螺杆63松退,然后令绑绳64围在输电线路塔上(一般是输电线路塔的底部塔腿),再旋上螺杆63,通过旋转螺杆63达到不断收紧绑绳64的功效,从而实现本实用新型与输电线路塔的紧密贴合与固定,操作方便、快捷,实用性较强,克服了传统起重装置打地锚缺乏固定场地造成无法固定问题,实现牢固、可靠地固定。In this embodiment, the support frame 1 is also provided with a binding mechanism for binding the portable hand winch for lifting operation of the transmission line to the transmission line tower. During specific implementation, referring to Fig. 2, the binding mechanism includes a second connecting block 61, a third connecting block 62, a screw rod 63 and a binding rope 64, and the second connecting block 61 and the third connecting block 62 are hinged on the On the support frame 1, the second connecting block 61 is provided with a second threaded through hole 611, the screw 63 is screwed into the second threaded through hole 611, and the third connecting block 62 is provided with a A through hole 621 and more than one threaded hole 622 communicated with the through hole 621, one end of the binding rope 64 passes through the through hole 621 and is fixed by a tightening bolt 623 screwed in the threaded hole 622. The other end of the rope 64 is connected to one end of the screw rod 63 , and the other end of the screw rod 63 is screwed with a locking nut 65 . During operation, the screw rod 63 is first loosened, then the tie rope 64 is surrounded on the transmission line tower (generally the bottom tower leg of the transmission line tower), and then the screw rod 63 is screwed on, and the tie rope 64 is continuously tightened by rotating the screw rod 63 effect, so as to realize the close fit and fixation between the utility model and the transmission line tower, the operation is convenient, fast, and the practicability is strong, which overcomes the problem that the traditional lifting device cannot be fixed due to the lack of a fixed site for anchoring the ground anchor, and realizes firmness and reliability fixed.
参见图2,具体实施时,所述支撑架1为由两根竖支架和两根横支架相连构成的矩形框架结构,所述支撑架1的两根横支架上分别设有所述绑定机构,所述支撑架1的横支架的两端分别具有水平向外伸出的突出部14,所述第二连接块61和第三连接块62一一对应铰接在所述支撑架1的横支架的两突出部14上。所述第二连接块61和第三连接块62均具有水平面内的转动自由度,所述第二螺纹通孔611和通孔621的轴线均平行于水平面,所述第二连接块61与所述支撑架1的横支架的突出部14之间通过锁链612铰接相连。Referring to Fig. 2, during specific implementation, the support frame 1 is a rectangular frame structure formed by connecting two vertical brackets and two horizontal brackets, and the two horizontal brackets of the support frame 1 are respectively provided with the binding mechanism The two ends of the cross bracket of the support frame 1 respectively have protrusions 14 protruding horizontally outward, and the second connecting block 61 and the third connecting block 62 are hinged on the cross bracket of the support frame 1 one by one. On the two protrusions 14 of the Both the second connecting block 61 and the third connecting block 62 have a rotational degree of freedom in the horizontal plane, the axes of the second threaded through hole 611 and the through hole 621 are parallel to the horizontal plane, and the second connecting block 61 and the second connecting block 61 are connected to the horizontal plane. The protruding parts 14 of the horizontal brackets of the support frame 1 are hingedly connected by a chain 612 .
所述支撑架1的横支架的位于两突出部14之间的部分设有与输电线路塔的绑定部位形状相应的卡槽15。设置卡槽15可使绑定机构与输电线路塔间的契合度更高,连接更牢固。The part of the horizontal bracket of the support frame 1 between the two protrusions 14 is provided with a slot 15 corresponding to the shape of the binding part of the transmission line tower. Setting the card slot 15 can make the fit between the binding mechanism and the power transmission line tower higher and the connection stronger.
本实用新型起吊用绳应使用绝缘绳索,保证在带电检修环境下起吊重物的安全性。The hoisting rope of the utility model should use insulated ropes to ensure the safety of hoisting heavy objects in a live maintenance environment.
对于本实用新型一实施例的输电线路起重作业便携式手摇绞磨,使用时操作过程如下:For the portable hand-cranked winch for power transmission line lifting operation according to an embodiment of the utility model, the operation process is as follows:
(1)接收工作任务,根据工作要求开展起重作业,做好现场安全措施,准备安全工器具等;(1) Receive work tasks, carry out lifting operations according to work requirements, take on-site safety measures, and prepare safety tools, etc.;
(2)安全工器具等准备完毕,调试输电线路起重作业便携式手摇绞磨(是否平顺转动、可靠闭锁等),试验完毕准备作业;(2) The safety equipment and other preparations are completed, and the portable hand-cranked winch for the lifting operation of the transmission line is debugged (whether it rotates smoothly, it is reliably locked, etc.), and the preparation work is completed after the test;
(3)起重作业开始,塔上作业人员登杆悬挂杆上滑车,塔下辅助人员在角钢塔的塔腿通过绑定机构将本实用新型牢牢固定在输电线路塔的塔脚上;(3) The hoisting operation begins, and the operator on the tower climbs on the pole and hangs the bar on the tackle, and the auxiliary personnel under the tower fix the utility model firmly on the tower foot of the transmission line tower through the binding mechanism at the tower leg of the angle steel tower;
(4)塔上悬挂滑车、塔下固定本实用新型完毕,通过起重绳索牢靠连接起吊物品;(4) The utility model is completed by hanging the block on the tower and fixing the tower under the tower, and the lifting objects are firmly connected by the hoisting rope;
(5)塔上作业人员指挥、塔下辅助人员操作本实用新型配合起吊重物,起吊过程中通过调节逆止螺栓实现连续起吊或暂停休息,起吊到达预定位置后通过逆止螺栓实现起吊重物的固定;(5) The operator on the tower commands and the auxiliary personnel under the tower operate the utility model to cooperate with lifting heavy objects. During the lifting process, the nonstop bolt can be used to realize continuous lifting or pause for rest. fixed;
(6)开展塔上作业,待塔上作业完成;(6) Carry out the operation on the tower and wait for the operation on the tower to be completed;
(7)塔上作业完成后,由塔上作业人员指挥、塔下辅助人员操作本实用新型配合下放重物;(7) After the operation on the tower is completed, the utility model is operated by the operator on the tower and the auxiliary personnel under the tower to cooperate with lowering the heavy objects;
(8)拆除塔上悬挂滑车、起吊绳索及本实用新型,清点工器具,检查工作现场,结束工作任务。(8) Remove the suspension blocks, hoisting ropes and the utility model on the tower, check the tools and utensils, check the work site, and finish the work task.
应当理解本文所述的例子和实施方式仅为了说明,本领域技术人员可根据它做出各种修改或变化,在不脱离本实用新型精神实质的情况下,都属于本实用新型的保护范围。It should be understood that the examples and implementations described herein are only for illustration, and those skilled in the art can make various modifications or changes based on them, all of which belong to the protection scope of the present utility model without departing from the spirit of the utility model.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105552779A (en) * | 2016-01-30 | 2016-05-04 | 国家电网公司 | Lockable directional transmission device |
CN106081961A (en) * | 2016-08-19 | 2016-11-09 | 贵州电网有限责任公司输电运行检修分公司 | A kind of light-duty boom hoisting of transmission line of electricity |
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2015
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105552779A (en) * | 2016-01-30 | 2016-05-04 | 国家电网公司 | Lockable directional transmission device |
CN106081961A (en) * | 2016-08-19 | 2016-11-09 | 贵州电网有限责任公司输电运行检修分公司 | A kind of light-duty boom hoisting of transmission line of electricity |
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