CN102780174B - Double-row type pulley sheave - Google Patents

Double-row type pulley sheave Download PDF

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Publication number
CN102780174B
CN102780174B CN201210183593.0A CN201210183593A CN102780174B CN 102780174 B CN102780174 B CN 102780174B CN 201210183593 A CN201210183593 A CN 201210183593A CN 102780174 B CN102780174 B CN 102780174B
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China
Prior art keywords
pulley
movable pulley
fixed
seat
double
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Expired - Fee Related
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CN201210183593.0A
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CN102780174A (en
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刘蓉
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State Grid Corp of China SGCC
Xinyang Power Supply Co of State Grid Henan Electric Power Co Ltd
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State Grid Corp of China SGCC
Xinyang Power Supply Co of State Grid Henan Electric Power Co Ltd
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Abstract

The invention provides a kind of double-row type pulley sheave, it includes fixed pulley seat and the movable pulley seat being fixed on described fixed pulley seat, described fixed pulley seat is parallel with described movable pulley seat antarafacial, wherein, it is provided with fixed pulley in described fixed pulley seat, described fixed pulley seat top is provided with link, in described movable pulley seat, movable pulley is installed, it is respectively arranged with sliding tray on two side shields of described movable pulley seat, the wheel shaft of described movable pulley is arranged in described sliding tray, the two ends of described wheel shaft are provided with screw thread, described movable pulley is fixed with described movable pulley seat by nut, the rubbing surface of described fixed pulley and the rubbing surface of described movable pulley are arcs of recesses.The advantage that this double-row type pulley sheave has design science, rational in infrastructure, use is simple and slip-off preventing is effective.

Description

双排式滑车滑轮double row pulley

技术领域 technical field

本发明涉及一种用于滑车的设备,具体的说,涉及了一种双排式滑车滑轮。 The invention relates to a device for a pulley, in particular to a double row pulley pulley.

背景技术 Background technique

目前,为了保证高压和超高压输变电工程及其输变电的安全运行,必须使用输变电铁塔,这些铁塔的架设间距通常为200到400米,架设在铁塔上的输变电线的高度多在40到80米。为了对这些输变电线进行检修和维护,多使用输电线路滑车,现有的滑车多采用单排式滑轮,挂设在输变电线上,由地面工作人员牵引运动,然而这种单排式滑轮在使用的过程中存在脱落的危险,若遇到剧烈晃动容易脱离输变电线。 At present, in order to ensure the safe operation of high-voltage and ultra-high-voltage power transmission and transformation projects and their power transmission and transformation, power transmission and transformation towers must be used. The distance between these towers is usually 200 to 400 meters, and the height of the power transmission and transformation lines erected on the towers is Mostly between 40 and 80 meters. In order to overhaul and maintain these transmission and transformation wires, transmission line pulleys are often used. The existing pulleys mostly use single-row pulleys, which are hung on the transmission and transformation wires and pulled by ground workers. However, this single-row pulley There is a danger of falling off during use, and it is easy to break away from the power transmission line in case of violent shaking.

为了解决以上存在的问题,人们一直在寻求一种理想的技术解决方案。 In order to solve the above existing problems, people have been seeking an ideal technical solution.

发明内容 Contents of the invention

本发明的目的是针对现有技术的不足,从而提供一种设计科学、结构合理、使用简单和防脱落效果好的双排式滑车滑轮。 The purpose of the present invention is to address the deficiencies of the prior art, thereby providing a double-row block pulley with scientific design, reasonable structure, simple use and good anti-falling effect.

为了实现上述目的,本发明所采用的技术方案是:一种双排式滑车滑轮,它包括定滑轮座和固定在所述定滑轮座上的动滑轮座,所述定滑轮座与所述动滑轮座异面平行,其中,所述定滑轮座内设置有定滑轮,所述动滑轮座内安装有动滑轮,所述动滑轮座的两侧挡板上分别设置有滑动槽,所述动滑轮的轮轴设置在所述滑动槽内,所述轮轴的两端设置有螺纹,所述动滑轮通过螺母与所述动滑轮座固定;该双排式滑车滑轮安装在输电线路滑车的车架上,使用时,先将所述动滑轮拆下,然后将该双排式滑车滑轮中的定滑轮挂装在输变电线的上缘,挂装后,将所述动滑轮装入所述滑动槽内,所述动滑轮卡设在所述输变电线的下缘,然后通过螺母固定,所述定滑轮和所述动滑轮共同夹住输变电线,保证输电线路滑车在工作过程中,不会脱落。 In order to achieve the above object, the technical solution adopted in the present invention is: a double-row block pulley, which includes a fixed pulley seat and a movable pulley seat fixed on the fixed pulley seat, and the fixed pulley seat and the movable pulley seat The different planes are parallel, wherein, a fixed pulley is arranged in the fixed pulley seat, a movable pulley is installed in the movable pulley seat, sliding grooves are respectively arranged on the baffles on both sides of the movable pulley seat, and the axle of the movable pulley is arranged on the In the sliding groove, the two ends of the wheel shaft are provided with threads, and the movable pulley is fixed with the movable pulley seat through a nut; The movable pulley is removed, and then the fixed pulley in the double-row block pulley is hung on the upper edge of the power transmission line. The lower edge of the transmission and transformation wire is then fixed by a nut, and the fixed pulley and the movable pulley clamp the transmission and transformation wire together to ensure that the transmission line pulley will not fall off during the working process.

基于上述,所述定滑轮座顶部设置有挂环。 Based on the above, the top of the fixed pulley seat is provided with a hanging ring.

基于上述,所述定滑轮的摩擦面和所述动滑轮的摩擦面为凹弧形。 Based on the above, the friction surface of the fixed pulley and the friction surface of the movable pulley are concave arc-shaped.

本发明相对现有技术具有突出的实质性特点和显著进步,具体的说,本发明与原有的滑车滑轮不同,它采用双排式结构包括定滑轮座和固定在所述定滑轮座上的动滑轮座,所述定滑轮座内设置有定滑轮,所述动滑轮座内安装有动滑轮,使用时,先将定滑轮安放在输变电线的上缘,然后安装所述动滑轮,使得动滑轮设置在输变电线的下缘,所述定滑轮和所述动滑轮共同卡住输变电线,使得该双排式滑车滑轮不能脱落,其具有设计科学、结构合理、使用简单和防脱落效果好的优点。 Compared with the prior art, the present invention has outstanding substantive features and significant progress. Specifically, the present invention is different from the original pulley pulley. It adopts a double-row structure including a fixed pulley seat and a fixed pulley seat A movable pulley seat, the fixed pulley seat is provided with a fixed pulley, and a movable pulley is installed in the movable pulley seat. The lower edge of the transformer wire, the fixed pulley and the movable pulley block the power transmission wire together, so that the double-row block pulley cannot fall off. It has the advantages of scientific design, reasonable structure, simple use and good fall-off prevention effect.

附图说明 Description of drawings

图1是本发明的结构示意图。 Fig. 1 is a schematic structural view of the present invention.

具体实施方式 detailed description

下面通过具体实施方式,对本发明的技术方案做进一步的详细描述。 The technical solutions of the present invention will be described in further detail below through specific implementation methods.

如图1所示,一种双排式滑车滑轮,它包括定滑轮座1和固定在所述定滑轮座1上的动滑轮座2,所述定滑轮座1与所述动滑轮座2异面平行,其中,所述定滑轮座1内设置有定滑轮11,所述定滑轮座1顶部设置有挂环12,所述动滑轮座2内安装有动滑轮21,所述动滑轮座2的两侧挡板上分别设置有滑动槽22,所述动滑轮2的轮轴设置在所述滑动槽22内,所述轮轴的两端设置有螺纹,所述动滑轮21通过螺母23与所述动滑轮座2固定,所述定滑轮1的摩擦面和所述动滑轮2的摩擦面为凹弧形,保证所述定滑轮11和所述动滑轮21能够在输变电线上流畅地滑动。 As shown in Figure 1, a double-row block pulley, it includes a fixed pulley seat 1 and a movable pulley seat 2 fixed on the fixed pulley seat 1, the fixed pulley seat 1 is parallel to the different planes of the movable pulley seat 2 , wherein, the fixed pulley seat 1 is provided with a fixed pulley 11, the top of the fixed pulley seat 1 is provided with a hanging ring 12, the movable pulley seat 2 is equipped with a movable pulley 21, and the baffle plates on both sides of the movable pulley seat 2 Sliding grooves 22 are respectively arranged on the top, the wheel shaft of the movable pulley 2 is arranged in the sliding groove 22, the two ends of the wheel shaft are provided with threads, the movable pulley 21 is fixed with the movable pulley seat 2 through a nut 23, the The friction surface of the fixed pulley 1 and the friction surface of the movable pulley 2 are concave arcs to ensure that the fixed pulley 11 and the movable pulley 21 can slide smoothly on the power transmission line.

基于上述,该双排式滑车滑轮安装在输电线路滑车的车架上,所述输电线路滑车通过该双排式滑车滑轮挂装到输变电线上,进行施工作业。 Based on the above, the double-row block pulley is installed on the vehicle frame of the transmission line block, and the transmission line block is hung on the power transmission line through the double-row block pulley for construction work.

使用时,先将所述动滑轮2拆下,然后将该双排式滑车滑轮中的定滑轮1挂装在输变电线的上缘,挂装后,将所述动滑轮2装入所述滑动槽22内,所述动滑轮2卡设在所述输变电线的下缘,然后通过螺母23固定,所述定滑轮1和所述动滑轮2共同夹住输变电线,保证输电线路滑车在工作过程中,不会脱落。 When in use, first remove the movable pulley 2, then mount the fixed pulley 1 on the upper edge of the power transmission line, and then install the movable pulley 2 into the sliding groove 22, the movable pulley 2 is clamped on the lower edge of the power transmission line, and then fixed by a nut 23, and the fixed pulley 1 and the movable pulley 2 clamp the power transmission line together to ensure that the transmission line pulley is in the working process. , will not fall off.

基于上述,安装完成后,通过绳索牵引所述挂环12,使得整个双排式滑车滑轮带动输电线路滑车在输变电线上运动。 Based on the above, after the installation is completed, the hanging ring 12 is pulled by a rope, so that the entire double-row block pulley drives the transmission line block to move on the power transmission line.

最后应当说明的是:以上实施例仅用以说明本发明的技术方案而非对其限制;尽管参照较佳实施例对本发明进行了详细的说明,所属领域的普通技术人员应当理解:依然可以对本发明的具体实施方式进行修改或者对部分技术特征进行等同替换;而不脱离本发明技术方案的精神,其均应涵盖在本发明请求保护的技术方案范围当中。 Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them; although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: the present invention can still be Modifications to the specific implementation of the invention or equivalent replacement of some technical features; without departing from the spirit of the technical solution of the present invention, should be included in the scope of the technical solution claimed in the present invention.

Claims (3)

1. a double-row type pulley sheave, it is characterized in that: it includes fixed pulley seat and the movable pulley seat being fixed on described fixed pulley seat, described fixed pulley seat is parallel with described movable pulley seat antarafacial, wherein, it is provided with fixed pulley in described fixed pulley seat, in described movable pulley seat, movable pulley is installed, it is respectively arranged with sliding tray on two side shields of described movable pulley seat, the wheel shaft of described movable pulley is arranged in described sliding tray, the two ends of described wheel shaft are provided with screw thread, and described movable pulley is fixed with described movable pulley seat by nut;This double-row type pulley sheave is arranged on the vehicle frame of transmission line of electricity coaster, during use, first described movable pulley is pulled down, then the fixed pulley in this double-row type pulley sheave is mounted on the upper limb of power transmission and transformation line, after mounting, described movable pulley is loaded in described sliding tray, described movable pulley is fastened on the lower edge of described power transmission and transformation line, is then fixed by nut, and power transmission and transformation line clamped jointly by described fixed pulley and described movable pulley, ensure transmission line of electricity coaster in the course of the work, do not come off.
Double-row type pulley sheave the most according to claim 1, it is characterised in that: described fixed pulley seat top is provided with link.
Double-row type pulley sheave the most according to claim 1, it is characterised in that: the rubbing surface of described fixed pulley and the rubbing surface of described movable pulley are arcs of recesses.
CN201210183593.0A 2012-06-06 2012-06-06 Double-row type pulley sheave Expired - Fee Related CN102780174B (en)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106410684B (en) * 2016-11-26 2017-11-21 国网山东省电力公司蓬莱市供电公司 A kind of pulling during electric power line construction device
CN107739000A (en) * 2017-09-29 2018-02-27 江苏威和海洋工程设备有限公司 A kind of crane span structure movable pulley device peculiar to vessel

Citations (4)

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Publication number Priority date Publication date Assignee Title
CN201426022Y (en) * 2009-04-17 2010-03-17 江苏省送变电公司 Five-wheeled upward pulley
CN201708479U (en) * 2010-06-28 2011-01-12 河南省电力公司平顶山供电公司 Cable stretching construction cross pulley
CN202134854U (en) * 2011-07-27 2012-02-01 河南送变电建设公司 Multi-bundle conductor pressing line pulley
CN202678833U (en) * 2012-06-06 2013-01-16 河南省电力公司信阳供电公司 Double-row type pulley wheel

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001095116A (en) * 1999-09-24 2001-04-06 Yamamoto Denko Kk Hanging sheave for re-cabling of four-core transmission line

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201426022Y (en) * 2009-04-17 2010-03-17 江苏省送变电公司 Five-wheeled upward pulley
CN201708479U (en) * 2010-06-28 2011-01-12 河南省电力公司平顶山供电公司 Cable stretching construction cross pulley
CN202134854U (en) * 2011-07-27 2012-02-01 河南送变电建设公司 Multi-bundle conductor pressing line pulley
CN202678833U (en) * 2012-06-06 2013-01-16 河南省电力公司信阳供电公司 Double-row type pulley wheel

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