CN105239918B - Tail fixing clamp for insulating hard ladder - Google Patents
Tail fixing clamp for insulating hard ladder Download PDFInfo
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- CN105239918B CN105239918B CN201510683236.4A CN201510683236A CN105239918B CN 105239918 B CN105239918 B CN 105239918B CN 201510683236 A CN201510683236 A CN 201510683236A CN 105239918 B CN105239918 B CN 105239918B
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 83
- 239000010959 steel Substances 0.000 claims abstract description 83
- 238000009413 insulation Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
本发明涉及一种绝缘硬梯尾部固定夹具,包括绝缘梯管固定器、第一角钢卡紧装置和第二角钢卡紧装置，绝缘梯管固定器用于固定绝缘硬梯的方形梯管，并由螺杆螺母紧固，绝缘梯管固定器通过转向接头与第一角钢卡紧装置连接，第二角钢卡紧装置套设在第一角钢卡紧装置上，第一角钢卡紧装置和第二角钢卡紧装置同时卡紧高压电塔上的角钢的两直角边，使绝缘硬梯搭设在高压电塔上。本发明夹具体积小，重量轻，增强安全性的同时，也减轻了作业人员的劳动强度。能够进一步改善沿绝缘硬梯进入带电部位作业的舒适性、安全性。结构合理，实用性强，具有推广应用价值。
The invention relates to a fixture for fixing the tail of an insulating hard ladder, comprising an insulating ladder tube fixer, a first angle steel clamping device and a second angle steel clamping device, the insulating ladder tube fixer is used to fix the square ladder tube of the insulating hard ladder, and consists of The screw and nut are tightened, the insulating ladder tube holder is connected to the first angle steel clamping device through the steering joint, the second angle steel clamping device is sleeved on the first angle steel clamping device, the first angle steel clamping device and the second angle steel clamping device The tightening device clamps the two right-angle sides of the angle steel on the high-voltage electric tower at the same time, so that the insulating hard ladder is erected on the high-voltage electric tower. The clip of the invention is small in size and light in weight, which not only enhances safety, but also reduces the labor intensity of operators. It can further improve the comfort and safety of working in live parts along the insulating hard ladder. The structure is reasonable, the practicability is strong, and the utility model has the value of popularization and application.
Description
技术领域technical field
本发明涉及一种高压输电线路带电作业工器具，尤其涉及一种输电线路等电位带电作业中绝缘硬梯固定的工器具。The invention relates to a tool for live work on a high-voltage transmission line, in particular to a tool for fixing an insulating hard ladder in the equipotential live work of a transmission line.
背景技术Background technique
为避免检修停电，保证正常供电，提高生产效率，输电线路需要经常开展带电作业。等电位带电作业时，经常采用绝缘硬梯法进入强电场。而现有绝缘硬梯前端钩挂在导线上之后，尾部并没有固定部件，仅仅依靠塔上作业人员使用绳索捆绑。但是在实际应用过程中，发现现有技术有如下不足：In order to avoid maintenance blackouts, ensure normal power supply, and improve production efficiency, transmission lines need to carry out live work frequently. During equipotential live work, the insulation hard ladder method is often used to enter the strong electric field. After the front end of the existing insulated hard ladder is hooked on the wire, there is no fixed part at the tail, and only the operators on the tower are bound with ropes. However, in the actual application process, it is found that the prior art has the following deficiencies:
(1)捆绑不牢靠，容易脱落造成危险；(1) The binding is not firm, and it is easy to fall off and cause danger;
(2)绳索捆绑后，绝缘硬梯与塔材之间不能形成固定点，等电位电工沿绝缘硬梯进入过程中容易造成梯子倾斜，作业人员失去重心形成危险；(2) After the ropes are tied, no fixed point can be formed between the insulated hard ladder and the tower material, and the equipotential electrician will easily cause the ladder to tilt during the process of entering along the insulated hard ladder, and the operator will lose the center of gravity and cause danger;
(3)传统捆绑方式消耗时间长，影响作业效率；(3) The traditional bundling method takes a long time and affects the operation efficiency;
本发明旨在研制新型夹具，适应各种塔型结构，为绝缘硬梯尾部固定提供一种可靠的固定夹具。提高安全系数，降低作业人员劳动强度，提高工作效率。The invention aims at developing a new type of fixture, which is suitable for various tower structures, and provides a reliable fixing fixture for fixing the tail of an insulating hard ladder. Improve the safety factor, reduce the labor intensity of operators, and improve work efficiency.
发明内容Contents of the invention
本发明所要解决的技术问题是提供一种可靠的绝缘硬梯尾部固定夹具，在利用绝缘硬梯进入有电部位及等电位工作时，可靠固定绝缘硬梯尾部，避免梯子摆动摇晃，确保带电作业安全进行，节约等电位作业人员体力，提高工作效率。The technical problem to be solved by the present invention is to provide a reliable fixing fixture for the tail of an insulated hard ladder, which can reliably fix the tail of the insulated hard ladder when the insulated hard ladder is used to enter the live part and perform equipotential work, so as to avoid the ladder from swinging and shaking, and ensure live work Safely carry out, save the physical strength of the equipotential workers, and improve work efficiency.
为实现上述目的，本发明采用以下技术方案实现：To achieve the above object, the present invention adopts the following technical solutions:
一种绝缘硬梯尾部固定夹具,包括绝缘梯管固定器、第一角钢卡紧装置和第二角钢卡紧装置，绝缘梯管固定器用于固定绝缘硬梯的方形梯管，并由螺杆螺母紧固，绝缘梯管固定器通过转向接头与第一角钢卡紧装置连接，第二角钢卡紧装置套设在第一角钢卡紧装置上，第一角钢卡紧装置和第二角钢卡紧装置同时卡紧高压电塔上的角钢的两直角边，使绝缘硬梯搭设在高压电塔上。A fixture for fixing the tail of an insulated hard ladder, including an insulating ladder tube fixer, a first angle steel clamping device and a second angle steel clamping device, the insulating ladder tube fixer is used to fix the square ladder tube of the insulating hard ladder, and is tightened by a screw nut solid, the insulating ladder pipe fixer is connected to the first angle steel clamping device through the steering joint, the second angle steel clamping device is sleeved on the first angle steel clamping device, and the first angle steel clamping device and the second angle steel clamping device are simultaneously Clamp the two right-angle sides of the angle steel on the high-voltage electric tower, so that the insulating hard ladder is erected on the high-voltage electric tower.
所述的绝缘梯管固定器通过螺杆螺母连接转向接头。The insulating ladder pipe fixer is connected to the steering joint through a screw nut.
所述的转向接头通过螺杆螺母连接第一角钢卡紧装置。The steering joint is connected to the first angle steel clamping device through a screw nut.
所述的角钢卡紧装置包括角钢固定螺杆和角钢固定卡块，角钢固定卡块套设在角钢固定螺杆上，并由螺母限位。The angle steel clamping device includes an angle steel fixing screw rod and an angle steel fixing block, and the angle steel fixing block is sleeved on the angle steel fixing screw rod and limited by a nut.
绝缘硬梯尾部固定夹具紧固绝缘硬梯的使用方法，包括以下步骤：The method for using the fastening fixture at the end of the insulating hard ladder to fasten the insulating hard ladder includes the following steps:
1)将绝缘硬梯前端钩挂在导线上；1) Hook the front end of the insulated hard ladder on the wire;
2)将两个绝缘硬梯尾部固定夹具后端的角钢卡紧装置分别固定在高压电塔的X型角钢上，两侧角钢卡紧装置置于X型角钢交叉点上方同一水平上，角钢固定螺杆与角钢的两直角边贴合，紧固角钢固定卡块，固定好夹具；2) Fix the angle steel clamping devices at the rear end of the two insulated hard ladder tail fixing fixtures on the X-shaped angle steel of the high-voltage electric tower respectively, and place the angle steel clamping devices on both sides on the same level above the cross point of the X-shaped angle steel, and fix the angle steel The screw rod is attached to the two right-angle sides of the angle steel, and the angle steel fixing block is fastened to fix the fixture;
3)将绝缘硬梯的两个方形梯管放入两侧梯管固定器内，并由螺杆和螺母紧固，使绝缘硬梯与塔体紧固后保持水平；3) Put the two square ladder tubes of the insulating hard ladder into the ladder tube holders on both sides, and fasten them with screws and nuts to keep the insulating hard ladder and the tower body level after fastening;
4)检查绝缘硬梯稳定性；4) Check the stability of the insulating hard ladder;
5)工作结束后，按相反顺序拆除绝缘硬梯尾部固定夹具。5) After the work is finished, remove the fixing fixture at the end of the insulating hard ladder in the reverse order.
与现有的技术相比，本发明的有益效果是：Compared with prior art, the beneficial effect of the present invention is:
本发明夹具体积小，重量轻，紧固后的水平绝缘硬梯与X型角钢的交叉点之间形成稳定的三角形，确保绝缘硬梯固定的稳定性。增强安全性的同时，也减轻了作业人员的劳动强度。能够进一步改善沿绝缘硬梯进入带电部位作业的舒适性、安全性。结构合理，实用性强，具有推广应用价值。The clip of the invention is small in size and light in weight, and a stable triangle is formed between the intersection points of the fastened horizontal hard insulating ladder and the X-shaped angle steel, ensuring the stability of fixing the hard insulating ladder. While enhancing safety, it also reduces the labor intensity of operators. It can further improve the comfort and safety of working in live parts along the insulated hard ladder. The structure is reasonable, the practicability is strong, and the utility model has the value of popularization and application.
附图说明Description of drawings
图1为本发明的结构示意图1。Fig. 1 is a schematic structural diagram 1 of the present invention.
图2为本发明的结构示意图2。Fig. 2 is a structural schematic diagram 2 of the present invention.
图3为角钢卡紧装置结构示意图。Fig. 3 is a schematic diagram of the structure of the angle steel clamping device.
图4为角钢固定卡块结构示意图。Fig. 4 is a schematic diagram of the structure of the angle steel fixing block.
图中：1-绝缘梯管固定器 2-转向接头 3-第一角钢卡紧装置 4-第二角钢卡紧装置5-螺母I 6-螺杆I 7-螺母II 8-螺杆II 9-螺母III 10-螺杆III 11-角钢固定螺杆 12-角钢固定卡块 13-螺母IVIn the figure: 1-Insulation ladder tube fixer 2-Steering joint 3-First angle steel clamping device 4-Second angle steel clamping device 5-Nut I 6-Screw rod I 7-Nut II 8-Screw rod II 9-Nut III 10-screw III 11-angle steel fixing screw 12-angle steel fixing block 13-nut IV
具体实施方式detailed description
下面结合附图对本发明的具体实施方式进一步说明：The specific embodiment of the present invention is further described below in conjunction with accompanying drawing:
如图1-2,一种绝缘硬梯尾部固定夹具,包括绝缘梯管固定器1、第一角钢卡紧装置3和第二角钢卡紧装置4，绝缘梯管固定器1用于固定绝缘硬梯的方形梯管，并由螺杆I6螺母I5紧固，绝缘梯管固定器1内部有效长度65mm，宽度38mm。As shown in Figure 1-2, a fixture for fixing the tail of an insulating hard ladder includes an insulating ladder tube holder 1, a first angle steel clamping device 3 and a second angle steel clamping device 4, and the insulating ladder tube holder 1 is used to fix the insulating hard ladder tube. The square ladder tube of the ladder is fastened by the screw rod I6 nut I5, and the effective length of the insulating ladder tube fixer 1 is 65mm and 38mm in width.
绝缘梯管固定器1通过转向接头2与第一角钢卡紧装置3连接，绝缘梯管固定器1通过螺杆II8螺母II7连接转向接头2。转向接头2通过螺杆III 10螺母III9连接第一角钢卡紧装置3。第二角钢卡紧装置4套设在第一角钢卡紧装置3上，绝缘梯管固定器1和转向接头2采用高强度铝合金制作。The insulating ladder tube holder 1 is connected to the first angle steel clamping device 3 through the steering joint 2, and the insulating ladder tube fixing device 1 is connected to the steering joint 2 through the screw rod II8 and the nut II7. The steering joint 2 is connected to the first angle steel clamping device 3 through the screw rod III 10 and the nut III9. The second angle steel clamping device 4 is sleeved on the first angle steel clamping device 3, and the insulating ladder tube fixer 1 and the steering joint 2 are made of high-strength aluminum alloy.
如图3-4，角钢卡紧装置包括角钢固定螺杆11和角钢固定卡块12，角钢固定卡块12套设在角钢固定螺杆11上，并由螺母IV13限位。角钢固定螺杆有效长度100mm。角钢固定卡块12采用高强度铝合金制作。角钢固定螺杆11采用热镀锌防腐方式，夹具全部螺杆等级采用铁塔用6.8级。As shown in Fig. 3-4, the angle steel clamping device includes an angle steel fixing screw 11 and an angle steel fixing block 12, and the angle steel fixing block 12 is sleeved on the angle steel fixing screw 11, and is limited by a nut IV13. The effective length of the angle steel fixing screw is 100mm. The angle steel fixing block 12 is made of high-strength aluminum alloy. Angle steel fixing screw 11 adopts hot-dip galvanized anti-corrosion method, and the grade of all screw rods of the fixture adopts 6.8 grade for iron towers.
第一角钢卡紧装置3和第二角钢卡紧装置4同时卡紧高压电塔上的角钢的两直角边，使绝缘硬梯搭设在高压电塔上。The first angle steel clamping device 3 and the second angle steel clamping device 4 simultaneously clamp the two right-angle sides of the angle steel on the high-voltage electric tower, so that the insulating hard ladder is erected on the high-voltage electric tower.
绝缘硬梯尾部固定夹具紧固绝缘硬梯的使用方法，包括以下步骤：The method for using the fastening fixture at the end of the insulating hard ladder to fasten the insulating hard ladder includes the following steps:
1)将绝缘硬梯前端钩挂在导线上；1) Hook the front end of the insulated hard ladder on the wire;
2)将两个绝缘硬梯尾部固定夹具后端的角钢卡紧装置分别固定在高压电塔的X型角钢上，两侧角钢卡紧装置置于X型角钢交叉点上方同一水平上，角钢固定螺杆与角钢的两直角边贴合，紧固角钢固定卡块，固定好夹具；2) Fix the angle steel clamping devices at the rear end of the two insulated hard ladder tail fixing fixtures on the X-shaped angle steel of the high-voltage electric tower respectively, and place the angle steel clamping devices on both sides on the same level above the cross point of the X-shaped angle steel, and fix the angle steel The screw rod is attached to the two right-angle sides of the angle steel, and the angle steel fixing block is fastened to fix the fixture;
3)将绝缘硬梯的两个方形梯管放入两侧梯管固定器内，并由螺杆和螺母紧固，使绝缘硬梯与塔体紧固后保持水平；3) Put the two square ladder tubes of the insulating hard ladder into the ladder tube holders on both sides, and fasten them with screws and nuts to keep the insulating hard ladder and the tower body level after fastening;
4)检查绝缘硬梯稳定性；4) Check the stability of the insulating hard ladder;
5)工作结束后，按相反顺序拆除绝缘硬梯尾部固定夹具。5) After the work is finished, remove the fixing fixture at the end of the insulating hard ladder in the reverse order.
本夹具结构简单，投资小，实用方便。为绝缘硬梯尾部固定提供可靠保障。减轻了作业人员的工作强度，提高了工作效率，杜绝了安全隐患。The fixture has the advantages of simple structure, small investment, practicality and convenience. It provides reliable guarantee for fixing the tail of the insulated hard ladder. The work intensity of the operators is reduced, the work efficiency is improved, and hidden dangers of safety are eliminated.
上面所述仅是本发明的基本原理，并非对本发明作任何限制，凡是依据本发明对其进行等同变化和修饰，均在本专利技术保护方案的范畴之内。The above is only the basic principle of the present invention, and does not limit the present invention in any way. All equivalent changes and modifications made according to the present invention are within the scope of the technical protection scheme of this patent.
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| CN201510683236.4A CN105239918B (en) | 2015-10-20 | 2015-10-20 | Tail fixing clamp for insulating hard ladder |
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| CN109768486B (en) * | 2019-01-16 | 2021-03-16 | 国网辽宁省电力有限公司鞍山供电公司 | Electric direct-connection device and method for 10kV disconnector on outdoor beam of substation |
| CN110660539A (en) * | 2019-10-17 | 2020-01-07 | 国网辽宁省电力有限公司鞍山供电公司 | A salt density test insulator string suspension device |
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| JP4309802B2 (en) * | 2004-03-02 | 2009-08-05 | 九州電力株式会社 | Reinforcement structure with welded L-shaped material to reinforce the hollow steel tube tower |
| CN201137455Y (en) * | 2007-11-22 | 2008-10-22 | 湖北省电力公司咸宁供电公司 | Antiskid insulated flat ladder |
| JP2012005225A (en) * | 2010-06-16 | 2012-01-05 | Chugoku Electric Power Co Inc:The | Approach shielding device |
| CN102255261B (en) * | 2011-07-06 | 2013-07-17 | 衢州电力局 | Shifting device for two-circuit hot-line work of transmission line |
| CN203251017U (en) * | 2013-05-04 | 2013-10-23 | 山西省电力公司晋中供电分公司 | Insulation ladder tail end fixing device |
| CN204238837U (en) * | 2014-11-28 | 2015-04-01 | 国网山东省电力公司潍坊供电公司 | A kind of flat terraced fastening devices |
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