CN202308909U - Clamping device for live line insulator string replacement - Google Patents

Clamping device for live line insulator string replacement Download PDF

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Publication number
CN202308909U
CN202308909U CN2011204277617U CN201120427761U CN202308909U CN 202308909 U CN202308909 U CN 202308909U CN 2011204277617 U CN2011204277617 U CN 2011204277617U CN 201120427761 U CN201120427761 U CN 201120427761U CN 202308909 U CN202308909 U CN 202308909U
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CN
China
Prior art keywords
telescopic screw
clamping device
screw rods
insulator string
live line
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Expired - Fee Related
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CN2011204277617U
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Chinese (zh)
Inventor
金世奇
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Daqing Electric Power Bureau
State Grid Corp of China SGCC
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Daqing Electric Power Bureau
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Priority to CN2011204277617U priority Critical patent/CN202308909U/en
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Publication of CN202308909U publication Critical patent/CN202308909U/en
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Abstract

A clamping device for a live line insulator string replacement is mainly used to solve the problem that the conventional clamping device is not general, and is characterized in that a clamping frame (1) is inverted trough-shaped, the left and right sides of front and back vertical plates are equipped with longitudinal notches (2)respectively, and the left and right sides of a top plate are connected with telescopic screw sleeves (3) longitudinally; the telescopic screw sleeves (3) are connected with main telescopic screw rods (4) via screw threads, and ratchet wrenches are arranged on the outsides of the lower ends of the main telescopic screw rods (4); auxiliary telescopic screw rods (6) are connected in the lower ends of the main telescopic screw rods (4) via screw threads, and lifting hooks (7) are arranged below the auxiliary telescopic screw rods (6). The clamping device for the live line insulator string replacement has the characteristics of being strong in generality and being safe and reliable.

Description

带电更换绝缘串卡具Insulation string clamp for live replacement

技术领域 technical field

本实用新型涉及一种电力检修所用的工具,尤其是带电更换绝缘串卡具。 The utility model relates to a tool used for electric power maintenance, in particular to a jig for replacing insulating strings with electricity.

背景技术 Background technique

在电力检修领域,带电更换绝缘子是送电线路带电作业中主要的工作内容。现在更换直线串绝缘子所使用的卡具,是根据杆塔横担结构型式的不同,虽然是同一电压等级的线路杆塔横担均有较大差异,因而对于不同横担结构型式就要准备出不同的横担卡具更换直线串绝缘子.这样就给工具的配套造成很大困难,而且也是不经济的。 In the field of power maintenance, live replacement of insulators is the main work content in live work on power transmission lines. The clamps used to replace the straight-line string insulators are based on the different structure types of the cross-arms of the towers. Although the cross-arms of the line towers with the same voltage level are quite different, different cross-arm structures must be prepared for different types. The cross-arm fixture replaces the straight-line string insulator. This will cause great difficulty in matching tools, and it is also uneconomical.

发明内容 Contents of the invention

为了解决现有卡具不通用的问题。本实用新型提供一种带电更换绝缘串卡具。该带电更换绝缘串卡具具有通用性强及安全可靠的特点。 In order to solve the problem that the existing clamps are not universal. The utility model provides a fixture for replacing insulating strings with electricity. The clamp for replacing insulating strings with electricity has the characteristics of high versatility, safety and reliability.

本实用新型的技术方案是:该带电更换绝缘串卡具包括卡架。卡架为倒槽形,前后立板的左右两侧上分别有纵向的豁口,左右两侧的顶板上纵向连接有伸缩螺套,伸缩螺套通过螺纹连接有主伸缩丝杆,主伸缩丝杆下端外棘轮扳手,主伸缩丝杆下内通过螺纹连接有副伸缩丝杆,副伸缩丝杆下有吊钩。 The technical scheme of the utility model is: the clamp for replacing the insulating series with electricity includes a clamp frame. The card frame is in the shape of an inverted groove, and there are longitudinal gaps on the left and right sides of the front and rear vertical plates, respectively. The top plates on the left and right sides are longitudinally connected with telescopic screw sleeves. The outer ratchet wrench of the lower end is threadedly connected with a secondary telescopic screw rod under the main telescopic screw rod, and a suspension hook is arranged under the secondary telescopic screw rod.

本实用新型具有如下有益效果:该带电更换绝缘串卡具由于采用卡架为倒槽形,前后立板的左右两侧上分别有纵向的豁口,左右两侧的顶板上纵向连接有伸缩螺套,伸缩螺套通过螺纹连接有主伸缩丝杆,主伸缩丝杆下端外棘轮扳手,主伸缩丝杆下内通过螺纹连接有副伸缩丝杆,副伸缩丝杆下有吊钩结构,利用卡架的豁口卡座在杆塔的横担,再旋转棘轮扳手带动主伸缩丝杆和副伸缩丝杆转动,通过吊钩绳索提升或下放直线绝缘子串,实现在不同结构杆塔横担上带电更换绝缘子是送电线路带电作业,进而扩大应用范围,降低工作危险性,增强安全性,而且结构和操作简单。所以说该带电更换绝缘串卡具具有通用性强及安全可靠的特点。 The utility model has the following beneficial effects: the live replacement insulating string jig adopts an inverted groove shape, the left and right sides of the front and rear vertical plates are respectively provided with longitudinal gaps, and the top plates of the left and right sides are longitudinally connected with telescopic screw sleeves , the telescopic screw sleeve is threadedly connected with the main telescopic screw, the lower end of the main telescopic screw is an external ratchet wrench, the inner part of the main telescopic screw is connected with a secondary telescopic screw, and there is a hook structure under the secondary telescopic screw. The gap holder is on the cross arm of the tower, and then the ratchet wrench is rotated to drive the main telescopic screw rod and the auxiliary telescopic screw rod to rotate, and the linear insulator string is lifted or lowered by the hook rope, so as to realize live replacement of insulators on the cross arm of different structures. Live working on electric lines can further expand the scope of application, reduce the risk of work, enhance safety, and the structure and operation are simple. Therefore, the clamp for replacing the insulating string with electricity has the characteristics of strong versatility, safety and reliability.

附图说明:Description of drawings:

附图1是本实用新型俯视剖视结构示意图; Accompanying drawing 1 is the utility model top view sectional structure schematic diagram;

附图2是图1仰视图。 Accompanying drawing 2 is the bottom view of Fig. 1.

图中1-卡架,2-豁口,3-伸缩螺套,4-主伸缩丝杆,5-棘轮扳手,6-副伸缩丝杆,7-吊钩。 Among the figure 1-card frame, 2-notch, 3-telescopic screw sleeve, 4-main telescopic screw rod, 5-ratchet wrench, 6-secondary telescopic screw rod, 7-hook.

具体实施方式:Detailed ways:

下面结合附图对本实用新型作进一步说明: Below in conjunction with accompanying drawing, the utility model is further described:

由附图所示,该带电更换绝缘串卡具包括卡架1。卡架1为倒槽形,前后立板的左右两侧上分别有纵向的豁口2,由豁口2将该带电更换绝缘串卡具固定在塔上的横担上,左右两侧的顶板上纵向连接有伸缩螺套3,伸缩螺套3通过螺纹连接有主伸缩丝杆4,主伸缩丝杆4下端外棘轮扳手5,主伸缩丝杆4下内通过螺纹连接有副伸缩丝杆6,由主伸缩丝杆4和副伸缩丝杆6上的螺纹使吊钩7产生上下移动,上提或下放绝缘串,副伸缩丝杆6下有吊钩7,吊钩7用于连接传递绳。 As shown in the accompanying drawings, the live replacement insulating string clamp includes a clamp 1 . The card frame 1 is in the shape of an inverted groove, and there are longitudinal gaps 2 on the left and right sides of the front and rear vertical plates respectively. Connected with telescopic screw sleeve 3, telescopic screw sleeve 3 is threadedly connected with main telescopic screw rod 4, the outer ratchet wrench 5 at the lower end of main telescopic screw rod 4, and secondary telescopic screw rod 6 is threadedly connected with main telescopic screw rod 4. The threads on the main telescopic screw mandrel 4 and the auxiliary telescopic screw mandrel 6 make the suspension hook 7 move up and down, lift or lower the insulating string, and the auxiliary telescopic screw mandrel 6 has a suspension hook 7, and the suspension hook 7 is used to connect the transmission rope.

操作过程: Operation process:

首先,两名操作工携带传递绳登塔到横担处挂好传递绳,地面操作工将该带电更换绝缘串卡具及绝缘吊杆传至塔上;塔上两名操作工配合, 将该带电更换绝缘串卡具通过豁口2压在横担螺栓U螺丝上, 吊钩7钩在绝缘子串两侧导线上,搬动棘轮扳手5,通过主伸缩丝杆4和副伸缩丝杆6的上移,收紧丝杆将导线荷重转移到该带电更换绝缘串卡具上;两名操作工在塔至导线水平位置,用操作杆取下绝缘子与碗头上的弹簧销子,摘下碗头; 一名操作工搬动棘轮扳手5,通过主伸缩丝杆4和副伸缩丝杆6的下移,将导线下移10-15厘米,另一名操作将绝缘子串绑在传递绳上,地面上操作工将新绝缘子串绑在传递绳上,并与塔上一名操作工配合取下弹簧销子将旧绝缘子串传至地面,新绝缘子传到塔上,完成带电更换绝缘串操作。 First, two operators carry the transfer rope to the tower and hang the transfer rope at the cross arm. The ground operator passes the live replacement insulation string jig and insulating boom to the tower; the two operators on the tower cooperate to The jig for replacing the insulator string with electricity is pressed on the U screw of the cross-arm bolt through the gap 2, the hook 7 is hooked on the wires on both sides of the insulator string, and the ratchet wrench 5 is moved to pass through the top of the main telescopic screw rod 4 and the auxiliary telescopic screw rod 6. Move and tighten the screw rod to transfer the load of the wire to the live replacement insulation string fixture; two operators use the operating rod to remove the insulator and the spring pin on the bowl head from the tower to the horizontal position of the wire, and take off the bowl head. ; One operator moves the ratchet wrench 5, moves down the wire by 10-15 cm through the downward movement of the main telescopic screw rod 4 and the secondary telescopic screw rod 6, and the other operator binds the insulator string to the transmission rope, and the ground The upper operator binds the new insulator string to the transmission rope, and cooperates with an operator on the tower to remove the spring pin to transfer the old insulator string to the ground, and the new insulator to the tower to complete the operation of replacing the insulator string with power on.

Claims (1)

1.一种带电更换绝缘串卡具,包括卡架(1),其特征在于:卡架(1)为倒槽形,前后立板的左右两侧上分别有纵向的豁口(2),左右两侧的顶板上纵向连接有伸缩螺套(3),伸缩螺套(3)通过螺纹连接有主伸缩丝杆(4),主伸缩丝杆(4)下端外棘轮扳手(5),主伸缩丝杆(4)下内通过螺纹连接有副伸缩丝杆(6),副伸缩丝杆(6)下有吊钩(7)。 1. A fixture for replacing insulating strings with electricity, including a card holder (1), characterized in that: the card holder (1) is in the shape of an inverted groove, and there are longitudinal gaps (2) on the left and right sides of the front and rear vertical plates, respectively. The top plates on both sides are longitudinally connected with telescopic screw sleeves (3), and the telescopic screw sleeves (3) are threadedly connected with main telescopic screw rods (4). The outer ratchet wrench (5) at the lower end of the main telescopic screw rods (4) Under the screw mandrel (4), there is a secondary telescopic screw mandrel (6) that is threadedly connected, and a suspension hook (7) is arranged under the secondary telescopic screw mandrel (6).
CN2011204277617U 2011-11-02 2011-11-02 Clamping device for live line insulator string replacement Expired - Fee Related CN202308909U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204277617U CN202308909U (en) 2011-11-02 2011-11-02 Clamping device for live line insulator string replacement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204277617U CN202308909U (en) 2011-11-02 2011-11-02 Clamping device for live line insulator string replacement

Publications (1)

Publication Number Publication Date
CN202308909U true CN202308909U (en) 2012-07-04

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CN2011204277617U Expired - Fee Related CN202308909U (en) 2011-11-02 2011-11-02 Clamping device for live line insulator string replacement

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105020239A (en) * 2014-04-28 2015-11-04 国家电网公司 Portal compression-shear hook device
CN109193461A (en) * 2018-10-30 2019-01-11 国家电网有限公司 A kind of high voltage distribution network dropping-bottle exchange device
CN109941911A (en) * 2019-04-01 2019-06-28 安徽工程大学 A new type of twin-screw elevator
CN110994448A (en) * 2019-12-02 2020-04-10 国网四川省电力公司德阳供电公司 Portable bottle supporting frame suspension device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105020239A (en) * 2014-04-28 2015-11-04 国家电网公司 Portal compression-shear hook device
CN109193461A (en) * 2018-10-30 2019-01-11 国家电网有限公司 A kind of high voltage distribution network dropping-bottle exchange device
CN109941911A (en) * 2019-04-01 2019-06-28 安徽工程大学 A new type of twin-screw elevator
CN110994448A (en) * 2019-12-02 2020-04-10 国网四川省电力公司德阳供电公司 Portable bottle supporting frame suspension device

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: STATE GRID CORPORATION OF CHINA

Effective date: 20121213

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20121213

Address after: 163458 Heilongjiang Province, Daqing City Ranghulu District No. 409 South Central Avenue

Patentee after: Daqing Electric Power Bureau

Patentee after: State Grid Corporation of China

Address before: 163458 Heilongjiang Province, Daqing City Ranghulu District No. 409 South Central Avenue

Patentee before: Daqing Electric Power Bureau

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

Granted publication date: 20120704

Termination date: 20191102

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