CN205583536U - An electric power emergency repair wire tightening device - Google Patents

An electric power emergency repair wire tightening device Download PDF

Info

Publication number
CN205583536U
CN205583536U CN201620143302.9U CN201620143302U CN205583536U CN 205583536 U CN205583536 U CN 205583536U CN 201620143302 U CN201620143302 U CN 201620143302U CN 205583536 U CN205583536 U CN 205583536U
Authority
CN
China
Prior art keywords
support
hole
rotating shaft
base
pulley
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620143302.9U
Other languages
Chinese (zh)
Inventor
梁强
张兴
赵红军
吕炳霖
李岩
苑广富
李云龙
程旭
宋振山
高成
周毅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhangqiu Power Supply Co of State Grid Shandong Electric Power Co Ltd
State Grid Corp of China SGCC
Original Assignee
Zhangqiu Power Supply Co of State Grid Shandong Electric Power Co Ltd
State Grid Corp of China SGCC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhangqiu Power Supply Co of State Grid Shandong Electric Power Co Ltd, State Grid Corp of China SGCC filed Critical Zhangqiu Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority to CN201620143302.9U priority Critical patent/CN205583536U/en
Application granted granted Critical
Publication of CN205583536U publication Critical patent/CN205583536U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Tension Adjustment In Filamentary Materials (AREA)

Abstract

The utility model discloses an electrical power rush -repair tensioner bullwheel relates to tensioner bullwheel technical field. Including the base, the lower surface of base evenly distributed all around has four universal wheels, the upper surface vertical welding in one side of base has the A support, the vertical welding of upper surface opposite side of base has the B support, the through -hole has all been opened at the middle part of A support and the middle part of B support, be provided with the pivot with through -hole complex A between the through -hole at A support middle part and the through -hole at B support middle part, the middle part of A pivot is provided with the head pulley, the utility model discloses a combination of spout, B pivot and vice pulley can make the B pivot along the vertical removal of the orientation of spout in the spout, is favorable to placing cable and compressing tightly the cable, adopting the combination of depression bar, connecting rod and bracing piece, can being guaranteed synchronous decline the in both ends of B pivot by the bracing piece, the manual depression bar that passes through compresses tightly the cable with the top of head pulley and the bottom laminating of vice pulley, is favorable to guaranteeing the stability of tight line process, avoids the cable slippage.

Description

一种电力抢修紧线装置 An electric power emergency repair wire tightening device

技术领域 technical field

本实用新型涉及紧线装置技术领域,尤其涉及一种电力抢修紧线装置。 The utility model relates to the technical field of wire tightening devices, in particular to an electric power emergency repair wire tightening device.

背景技术 Background technique

目前,一条架空线路在设计时,按设计规范标准,根据线路走向、地形等应分成一个个耐张段,线路耐张段有长有短、导线线径规格有大有小,所以张力就有大有小。在新建电力线路施工放线完成后,需将导线在杆塔上收紧。现有的电力架空线路所采用的架设施工收紧机具一般为:机动绞磨机或人工磨盘。 At present, when designing an overhead line, according to the design specifications and standards, it should be divided into tension sections according to the direction of the line and the terrain. Big and small. After the construction and laying out of the new power line is completed, the conductor needs to be tightened on the pole tower. The erection construction tightening tool that existing power overhead line adopts is generally: motorized winch mill or artificial grinding disc.

机动绞磨机、人工磨盘十分笨重,而电力架空线路往往需要在崇山峻岭中进行,这些地方搬运各种电力设备设施只能采用人工进行,工作劳动强度很大,危险系数高,所花的成本代价也很大。即便是在交通能到达的地方,这些设施也存在着操作不便,费时费力的缺点。 Motorized winches and artificial grinding discs are very heavy, and power overhead lines often need to be carried out in high mountains. In these places, various power equipment and facilities can only be transported manually. The work is labor-intensive and the risk factor is high. The cost price Also big. Even where traffic can reach, these facilities also have the disadvantages of inconvenient operation, time-consuming and laborious.

而且,现有简化的紧线器往往采用自带的钢丝绳作为紧线的介质,有长度限制,简化的紧线器既无法测量电缆的应力,又无法测量收紧电缆的长度,需要重新测量或根据经验判断,这样会造成程序复杂,判断不准确,影响进度,在电力抢修过程中,需要高效快速稳定的紧线装置。 Moreover, the existing simplified wire tensioner often uses its own steel wire rope as the medium for tightening the wire, which has a length limit. The simplified wire tensioner can neither measure the stress of the cable nor the length of the tightened cable. It needs to be re-measured or Judging from experience, this will cause complicated procedures, inaccurate judgments, and affect progress. In the process of electric power repairs, efficient, fast and stable wire tightening devices are required.

发明内容 Contents of the invention

本实用新型的目的在于针对现有技术的不足之处,提供一种电力抢修紧线装置,采用主滑轮对电缆收紧,简单方便,并可防止主滑轮逆向转动,且利于放置电缆和对电缆的压紧,并保证紧线过程的稳定,避免电缆滑脱。 The purpose of this utility model is to aim at the deficiencies of the prior art, to provide an electric power emergency repair wire tightening device, which uses the main pulley to tighten the cable, which is simple and convenient, and can prevent the reverse rotation of the main pulley, and is conducive to placing and aligning the cables. The tightness of the cable ensures the stability of the tightening process and prevents the cable from slipping.

为实现上述目的,本实用新型所采用的技术方案是: In order to achieve the above object, the technical solution adopted in the utility model is:

一种电力抢修紧线装置,包括底座,底座的下表面四周均匀分布有四个万向轮;底座的上表面一侧竖直焊接有A支架;底座的上表面另一侧竖直焊接有B支架;A支架的中部和B支架的中部均开有通孔;A支架中部的通孔和B支架中部的通孔之间设置有与通孔配合的A转轴;A转轴的中部设置有主滑轮;主滑轮的一侧与B支架之间设置有止逆装置;A转轴的一端固定连接有摇柄; A支架的上部一侧和B支架的上部一侧均竖直开有滑槽;A支架的滑槽和B支架的滑槽之间水平设置有与滑槽配合的B转轴;B转轴的中部设置有副滑轮;B转轴的两端均套接有连杆;A支架的顶端外侧和B支架的顶端外侧均焊接有C转轴;C转轴的顶端套接有压杆;两根压杆的中部之间焊接有支撑杆。 An electric emergency repair wire tightening device, including a base, four universal wheels evenly distributed around the lower surface of the base; A bracket is vertically welded on one side of the upper surface of the base; B bracket is vertically welded on the other side of the upper surface of the base. Bracket; the middle part of the A bracket and the middle part of the B bracket are both provided with through holes; the A shaft matching the through hole is arranged between the through hole in the middle part of the A bracket and the through hole in the middle part of the B bracket; the middle part of the A shaft is provided with a main pulley ;An anti-reverse device is arranged between one side of the main pulley and the B bracket; one end of the A rotating shaft is fixedly connected with a rocker; the upper side of the A bracket and the upper side of the B bracket are vertically provided with chute; Between the chute of the chute and the chute of the B bracket, there is a B rotating shaft matched with the chute; the middle part of the B rotating shaft is provided with a secondary pulley; both ends of the B rotating shaft are sleeved with connecting rods; the outer top of the A bracket and the B The outer top of the bracket is welded with a C rotating shaft; the top of the C rotating shaft is sleeved with a pressure rod; the middle part of the two pressure rods is welded with a support rod.

进一步优化本技术方案,所述的A支架的内侧中部设置有计数器;B支架的内侧中部设置有应力传感器。 To further optimize this technical solution, a counter is provided in the inner middle of the A bracket; a stress sensor is arranged in the inner middle of the B bracket.

进一步优化本技术方案,所述的滑槽的上部一侧开有定位孔;定位孔内安装有与定位孔配合的销轴。 To further optimize this technical solution, a positioning hole is opened on one side of the upper part of the chute; a pin shaft matching with the positioning hole is installed in the positioning hole.

进一步优化本技术方案,所述的A支架的下部和B支架的下部均设置为三角形结构;主滑轮的轮槽直径和副滑轮的轮槽直径相等;主滑轮的宽度和副滑轮的宽度相同。 To further optimize this technical solution, the lower part of the A bracket and the lower part of the B bracket are both arranged in a triangular structure; the diameter of the wheel groove of the main pulley is equal to the diameter of the wheel groove of the auxiliary pulley; the width of the main pulley is the same as that of the auxiliary pulley.

进一步优化本技术方案,所述的应力传感器的一端与止逆装置连接;压杆的中部和连杆的顶端铰接。 To further optimize this technical solution, one end of the stress sensor is connected to the anti-reverse device; the middle part of the pressing rod is hinged to the top of the connecting rod.

与现有技术相比,本实用新型具有以下优点: Compared with the prior art, the utility model has the following advantages:

1、采用A转轴、主滑轮和摇柄、止逆装置的组合,可以手动转动主滑轮,并防止主滑轮逆向转动,有利于简单方便的通过主滑轮对电缆收紧; 1. The combination of the A rotating shaft, the main pulley, the rocker and the anti-reverse device can manually rotate the main pulley and prevent the reverse rotation of the main pulley, which is conducive to tightening the cable through the main pulley simply and conveniently;

2、采用滑槽、B转轴和副滑轮的组合,可以使B转轴在滑槽中沿着滑槽的方向竖直移动,有利于放置电缆和对电缆的压紧; 2. The combination of the chute, the B shaft and the secondary pulley can make the B shaft move vertically in the chute along the direction of the chute, which is conducive to the placement of cables and the compression of cables;

3、采用压杆、连杆和支撑杆的组合,可以由支撑杆保证B转轴的两端同步下降,手动通过压杆将主滑轮的顶端和副滑轮的底端贴合,压紧电缆,有利于保证紧线过程的稳定,避免电缆滑脱; 3. Using the combination of pressing rod, connecting rod and supporting rod, the supporting rod can ensure that both ends of the B rotating shaft are lowered synchronously. Manually use the pressing rod to fit the top of the main pulley and the bottom of the auxiliary pulley, and press the cable tightly. It is beneficial to ensure the stability of the tightening process and avoid the cable slipping;

4、采用计数器和应力传感器的组合,可以随时观测电缆的应力和收紧电缆的长度,有利于准确快捷的控制收线进程。 4. The combination of the counter and the stress sensor can observe the stress of the cable and the length of the tightened cable at any time, which is beneficial to accurately and quickly control the winding process.

附图说明 Description of drawings

图1为一种电力抢修紧线装置的右侧视图。 Fig. 1 is a right side view of an electric emergency repair wire tightening device.

图2为一种电力抢修紧线装置的左侧视图。 Fig. 2 is a left side view of an electric emergency repair wire tightening device.

图3为一种电力抢修紧线装置的主视图。 Fig. 3 is a front view of an electric emergency repair wire tightening device.

图4为一种电力抢修紧线装置的左视图。 Fig. 4 is a left view of an electric emergency repair wire tightening device.

图中,1、底座;2、万向轮;3、A支架;4、B支架;5、通孔;6、A转轴;7、主滑轮;8、止逆装置;9、摇柄;10、滑槽;11、B转轴;12、副滑轮;13、连杆;14、C转轴;15、压杆;16、支撑杆;17、计数器;18、应力传感器;19、定位孔;20、销轴。 In the figure, 1. base; 2. universal wheel; 3. bracket A; 4. bracket B; 5. through hole; 6. shaft A; 7. main pulley; , chute; 11, B rotating shaft; 12, auxiliary pulley; 13, connecting rod; 14, C rotating shaft; 15, pressing rod; 16, supporting rod; 17, counter; 18, stress sensor; 19, positioning hole; 20, pin.

具体实施方式 detailed description

为使本实用新型的目的、技术方案和优点更加清楚明了,下面结合具体实施方式并参照附图,对本实用新型进一步详细说明。应该理解,这些描述只是示例性的,而并非要限制本实用新型的范围。此外,在以下说明中,省略了对公知结构和技术的描述,以避免不必要地混淆本实用新型的概念。 In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and not intended to limit the scope of the present invention. In addition, in the following description, descriptions of known structures and technologies are omitted to avoid unnecessarily confusing the concept of the present invention.

具体实施方式一: Specific implementation mode one:

结合图1-4所示,一种电力抢修紧线装置,包括底座1,底座1的下表面四周均匀分布有四个万向轮2;底座1的上表面一侧竖直焊接有A支架3;底座1的上表面另一侧竖直焊接有B支架4;A支架3的中部和B支架4的中部均开有通孔5;A支架3中部的通孔5和B支架4中部的通孔5之间设置有与通孔5配合的A转轴6;A转轴6的中部设置有主滑轮7;主滑轮7的一侧与B支架4之间设置有止逆装置8;A转轴6的一端固定连接有摇柄9; A支架3的上部一侧和B支架4的上部一侧均竖直开有滑槽10;A支架3的滑槽10和B支架4的滑槽10之间水平设置有与滑槽10配合的B转轴11;B转轴11的中部设置有副滑轮12;B转轴11的两端均套接有连杆13;A支架3的顶端外侧和B支架4的顶端外侧均焊接有C转轴14;C转轴14的顶端套接有压杆15;两根压杆15的中部之间焊接有支撑杆16;A支架3的内侧中部设置有计数器17;B支架4的内侧中部设置有应力传感器18;滑槽10的上部一侧开有定位孔19;定位孔19内安装有与定位孔19配合的销轴20;A支架3的下部和B支架4的下部均设置为三角形结构;主滑轮7的轮槽直径和副滑轮12的轮槽直径相等;主滑轮7的宽度和副滑轮12的宽度相同;应力传感器18的一端与止逆装置8连接;压杆15的中部和连杆13的顶端铰接。 As shown in Figures 1-4, an electric emergency repair wire tightening device includes a base 1, four universal wheels 2 are evenly distributed around the lower surface of the base 1; A bracket 3 is welded vertically on one side of the upper surface of the base 1 The other side of the upper surface of the base 1 is vertically welded with a B bracket 4; the middle part of the A bracket 3 and the middle part of the B bracket 4 are all provided with through holes 5; Between the holes 5, there is an A shaft 6 that matches the through hole 5; the middle part of the A shaft 6 is provided with a main pulley 7; between one side of the main pulley 7 and the B bracket 4, a non-reverse device 8 is arranged; the A shaft 6 One end is fixedly connected with a rocking handle 9; the upper side of the A bracket 3 and the upper side of the B bracket 4 are vertically provided with a chute 10; the chute 10 of the A bracket 3 and the chute 10 of the B bracket 4 are horizontal The B rotating shaft 11 that cooperates with the chute 10 is provided; the middle part of the B rotating shaft 11 is provided with a secondary pulley 12; both ends of the B rotating shaft 11 are sleeved with connecting rods 13; The C rotating shaft 14 is welded; the top of the C rotating shaft 14 is sleeved with a pressure rod 15; the middle part of the two pressure rods 15 is welded with a support rod 16; the inner middle part of the A bracket 3 is provided with a counter 17; the inner side of the B bracket 4 The middle part is provided with a stress sensor 18; one side of the upper part of the chute 10 has a positioning hole 19; the pin shaft 20 cooperating with the positioning hole 19 is installed in the positioning hole 19; the bottom of the A bracket 3 and the bottom of the B bracket 4 are all set to Triangular structure; the wheel groove diameter of the main pulley 7 is equal to the wheel groove diameter of the auxiliary pulley 12; the width of the main pulley 7 is the same as that of the auxiliary pulley 12; one end of the stress sensor 18 is connected with the anti-reverse device 8; Hinged with the top of connecting rod 13.

本实用新型在具体实施时,通过底座1下表面的四个万向轮2移动到作业区域,把销轴20从定位孔19中拔出,手动抬起压杆15,压杆15带动压杆15中部铰接的连杆13向上移动,将B转轴11和副滑轮12提起,把电缆的一端放置于主滑轮7的轮槽和副滑轮12的轮槽之间,手动按下压杆15,压杆15带动压杆15中部铰接的连杆13向下移动,将B转轴11和副滑轮12按下,主滑轮7的轮槽和副滑轮12的轮槽将电缆夹紧,有利于保证紧线过程的稳定,避免电缆滑脱,把销轴20插入定位孔19中,用销轴20挡住压杆15,用手转动摇柄9,手动转动主滑轮7,止逆装置8防止主滑轮7逆向转动,有利于简单方便的通过主滑轮7对电缆收紧,采用计数器17和应力传感器18的组合,可以随时观测电缆的应力和收紧电缆的长度,有利于准确快捷的控制收线进程,完成整个紧线过程。 When the utility model is actually implemented, the four universal wheels 2 on the lower surface of the base 1 are moved to the work area, the pin shaft 20 is pulled out from the positioning hole 19, and the pressure rod 15 is manually lifted, and the pressure rod 15 drives the pressure rod The connecting rod 13 hinged in the middle of 15 moves upwards, lifts the B rotating shaft 11 and the auxiliary pulley 12, places one end of the cable between the wheel groove of the main pulley 7 and the wheel groove of the auxiliary pulley 12, and manually presses down the pressing rod 15 to press The rod 15 drives the hinged connecting rod 13 in the middle of the pressure rod 15 to move down, press the B rotating shaft 11 and the auxiliary pulley 12, and the wheel groove of the main pulley 7 and the wheel groove of the auxiliary pulley 12 will clamp the cable, which is beneficial to ensure the tightness of the cable. To ensure the stability of the process and prevent the cable from slipping, insert the pin shaft 20 into the positioning hole 19, block the pressure rod 15 with the pin shaft 20, turn the crank handle 9 by hand, manually turn the main pulley 7, and the anti-reverse device 8 prevents the main pulley 7 from rotating in reverse , which is conducive to the simple and convenient tightening of the cable through the main pulley 7, and the combination of the counter 17 and the strain sensor 18 can observe the stress of the cable and the length of the tightened cable at any time, which is conducive to accurate and quick control of the winding process and completes the entire process. Tight line process.

应当理解的是,本实用新型的上述具体实施方式仅仅用于示例性说明或解释本实用新型的原理,而不构成对本实用新型的限制。因此,在不偏离本实用新型的精神和范围的情况下所做的任何修改、等同替换、改进等,均应包含在本实用新型的保护范围之内。此外,本实用新型所附权利要求旨在涵盖落入所附权利要求范围和边界、或者这种范围和边界的等同形式内的全部变化和修改例。 It should be understood that the above specific embodiments of the present utility model are only used to illustrate or explain the principle of the present utility model, but not to limit the present utility model. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model shall be included in the protection scope of the present utility model. Furthermore, the appended claims are intended to cover all changes and modifications that come within the scope and boundaries of the appended claims, or equivalents of such scope and boundaries.

Claims (5)

1. an electric power first-aid wire tensioning device, it is characterised in that: include that base (1), the lower surface surrounding of base (1) are evenly distributed with four universal wheels (2);The upper surface side of base (1) is vertically welded with A support (3);The upper surface opposite side of base (1) is vertically welded with B support (4);The middle part of A support (3) and the middle part of B support (4) all have through hole (5);It is provided with, between through hole (5) and the through hole (5) at B support (4) middle part at A support (3) middle part, the A rotating shaft (6) coordinated with through hole (5);The middle part of A rotating shaft (6) is provided with head pulley (7);It is provided with backstop (8) between side and the B support (4) of head pulley (7);One end of A rotating shaft (6) is fixedly connected with rocking handle (9);The side, top of A support (3) and the side, top of B support (4) the most vertically have chute (10);It is horizontally disposed with, between chute (10) and the chute (10) of B support (4) of A support (3), the B rotating shaft (11) coordinated with chute (10);The middle part of B rotating shaft (11) is provided with auxiliary pulley (12);The two ends of B rotating shaft (11) are all socketed with connecting rod (13);C rotating shaft (14) all it is welded with outside the top of A support (3) and outside the top of B support (4);The top of C rotating shaft (14) is socketed with depression bar (15);Support bar (16) it is welded with between the middle part of two depression bars (15).
A kind of electric power first-aid wire tensioning device the most according to claim 1, it is characterised in that: the middle inside of A support (3) is provided with enumerator (17);The middle inside of B support (4) is provided with strain gauge (18).
A kind of electric power first-aid wire tensioning device the most according to claim 1, it is characterised in that: the side, top of chute (10) has hole, location (19);It is provided with in hole, location (19) and positions the bearing pin (20) that hole (19) coordinates.
A kind of electric power first-aid wire tensioning device the most according to claim 1, it is characterised in that: the bottom of A support (3) and the bottom of B support (4) are disposed as triangular structure;The race diameter of head pulley (7) and the race equal diameters of auxiliary pulley (12);The width of head pulley (7) is identical with the width of auxiliary pulley (12).
A kind of electric power first-aid wire tensioning device the most according to claim 1 and 2, it is characterised in that: one end of strain gauge (18) is connected with backstop (8);The middle part of depression bar (15) and the top of connecting rod (13) are hinged.
CN201620143302.9U 2016-02-26 2016-02-26 An electric power emergency repair wire tightening device Expired - Fee Related CN205583536U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620143302.9U CN205583536U (en) 2016-02-26 2016-02-26 An electric power emergency repair wire tightening device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620143302.9U CN205583536U (en) 2016-02-26 2016-02-26 An electric power emergency repair wire tightening device

Publications (1)

Publication Number Publication Date
CN205583536U true CN205583536U (en) 2016-09-14

Family

ID=56871064

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620143302.9U Expired - Fee Related CN205583536U (en) 2016-02-26 2016-02-26 An electric power emergency repair wire tightening device

Country Status (1)

Country Link
CN (1) CN205583536U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105610090A (en) * 2016-02-26 2016-05-25 国网山东省电力公司章丘市供电公司 Electrical power repair tensioning device
CN106786126A (en) * 2017-01-04 2017-05-31 广州雅隆自动化设备有限公司 Power cable compresses tightly frame
CN107872033A (en) * 2017-12-26 2018-04-03 国网山东省电力公司蓬莱市供电公司 A tensioner for power dispatching power grid construction
CN110518491A (en) * 2019-09-06 2019-11-29 国网山东省电力公司龙口市供电公司 A kind of graphite lubrication unwrapping wire earthing tackle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105610090A (en) * 2016-02-26 2016-05-25 国网山东省电力公司章丘市供电公司 Electrical power repair tensioning device
CN106786126A (en) * 2017-01-04 2017-05-31 广州雅隆自动化设备有限公司 Power cable compresses tightly frame
CN107872033A (en) * 2017-12-26 2018-04-03 国网山东省电力公司蓬莱市供电公司 A tensioner for power dispatching power grid construction
CN110518491A (en) * 2019-09-06 2019-11-29 国网山东省电力公司龙口市供电公司 A kind of graphite lubrication unwrapping wire earthing tackle

Similar Documents

Publication Publication Date Title
CN105610090B (en) A kind of electric power first-aid wire tensioning device
CN205583536U (en) An electric power emergency repair wire tightening device
CN105896398B (en) Large-section cable laying method
CN203935573U (en) A kind of climbing pole machine
CN203531496U (en) Falling type double-holding-rod pole erecting device
CN201113301Y (en) Omni-directional rotating insulation operating platform
CN106159628A (en) A kind of aluminium hydraulic pressed connecting pipe bending automatic controller
CN105162039A (en) Portable grounding wire transmitter and using method
CN105024310A (en) Adjustable slewing bearing device for laying cable bridge
CN201882847U (en) Hoisting tool of pole-mounted transformer
CN205195155U (en) Insulating platform
CN203922264U (en) A kind of automatic horizontal wire draw drum
CN204975123U (en) Pole guy instrument of bending
CN203998709U (en) A kind of super laborsaving electrical equipment lifting appliance
CN203536866U (en) Tripod line laying device
CN207211918U (en) Internally lifting pole
CN202488034U (en) Angle iron tower transmission line lifting device
CN101908731B (en) Hoisting device for on-load tap changers of transformers
CN205034944U (en) Web hoisting accessory
CN205312922U (en) 1000kV cluster benefit equipment is repaiied examination special use and is lifted by crane instrument
CN204156430U (en) The snakelike removable support that bends of electric cable with large cross-section
CN204905763U (en) Portable earth connection transmitter
CN205023572U (en) Device of rolling up is rewinded to drip irrigation zone
CN202721386U (en) Overhead Ground Wire Riser
CN104003242A (en) Cable reel paying off device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160914

Termination date: 20190226

CF01 Termination of patent right due to non-payment of annual fee