CN104901225A - Pulley fixing rack for insulator replacement - Google Patents
Pulley fixing rack for insulator replacement Download PDFInfo
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- CN104901225A CN104901225A CN201510228658.2A CN201510228658A CN104901225A CN 104901225 A CN104901225 A CN 104901225A CN 201510228658 A CN201510228658 A CN 201510228658A CN 104901225 A CN104901225 A CN 104901225A
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- screw rod
- snap ring
- ring
- hinged
- oblique
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Abstract
The invention relates to a pulley fixing rack for insulator replacement. The pulley fixing rack comprises a hanger cross beam at two ends of which pulleys are arranged, two main supports arranged on the hanger cross beam, main clamping rings arranged at the ends of the main supports, oblique supports arranged on the main supports and oblique clamping rings arranged at the ends of the oblique supports, wherein the upper ends of the main supports are hinged with the hanger cross beam. The pulley fixing rack is provided with the oblique supports and the oblique clamping rings, so that a whole hanger can be stably fixed on insulator chains in use, and oblique deformation of the hanger is effectively prevented; and the pulley fixing rack is convenient in operation and high in safety, and can improve the working efficiency.
Description
Technical field
The present invention relates to a kind of replacing insulator pulley fixed frame.
Background technology
Current strain tower adopts porcelain insulator mostly, must change when damage and null value appear in porcelain insulator, the mode in the past changing strain tower monolithic porcelain insulator is: transmission coaster fixes by work high above the ground personnel on strain insulator porcelain insulator string, ground coordinates personnel monolithic porcelain insulator transmission rope to be passed to edge under porcelain insulator strain insulator-string, operating personnel crouch down on insulator string, are carried above porcelain insulator string by monolithic porcelain insulator with hand.The method wastes time and energy, and easily causes high-altitude article to drop.Form very big potential safety hazard.For ± all porcelain insulators of 660kV electric pressure, its dish footpath is comparatively large, monolithic insulator weight is about 30 kilograms, singlely it cannot be promoted on string at all.
Existing suspension bracket, if the patent No. is the suspension bracket disclosed in the patent of invention of 2012101977005, it needs in operation is install pulley temporarily, and use loaded down with trivial details inconvenience, pulley can only be arranged on the inner side of two fixed levers, operation can be affected when lifting by crane insulator, its fixing snap ring operation inconvenience in addition, and only have two the fixing snap rings in left and right, because insulator weight is larger in use procedure, whole suspension bracket can be made to tilt, fixing snap ring is damaged.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of Stability Analysis of Structures, strain tower easy to use changes porcelain insulator suspension bracket.
For solving the problem, the technical solution used in the present invention is:
A kind of replacing insulator pulley fixed frame, its key technology is: it comprises two ends and is provided with the hanger beam of pulley, two the main supports be arranged on hanger beam, the main card ring being arranged on described main supporting base end portion, the oblique snap ring that is arranged on the bearing diagonal in described main support and is arranged on described bearing diagonal end, and upper end and the described hanger beam of described main support are hinged;
Described main card ring comprises the snap ring determining main card ring and dynamic main card ring two halves circle, described upper end of determining main card ring is fixedly connected with main support, lower end is hinged by hinge and described dynamic main card ring, the upper end of described dynamic main card ring is fixedly installed connector, described main support base is provided with the depressed part with described connector mating shapes, described connector and described depressed part are connected formation with externally threaded cylinder, described main support are equipped with the locking nut with described cylinder adaptation;
Described bearing diagonal adjustable length, its upper end and described main support are hinged, lower end is provided with oblique snap ring, described oblique snap ring comprises surely tiltedly snap ring and dynamic oblique snap ring two semicircle snap rings, middle part and the described bearing diagonal end of described fixed oblique snap ring are hinged, one end of fixed oblique snap ring is hinged by hinge one end with dynamic oblique snap ring, and the other end is connected by the other end of connecting bolt with dynamic oblique snap ring.
As a further improvement on the present invention, described bearing diagonal comprises screw rod, lower screw rod and connects the second gaily decorated basket nut of described upper screw rod and lower screw rod, and described upper screw rod and main support are hinged, and described lower screw rod is hinged with fixed oblique snap ring.
As a further improvement on the present invention, also comprise the length-adjustable bindiny mechanism be arranged between two main card rings, described bindiny mechanism comprises left screw rod, right screw rod and connects the first gaily decorated basket nut of described left screw rod and right screw rod, and described left screw rod and the end of right screw rod are hinged with corresponding main card ring of determining respectively.
As a further improvement on the present invention, skid resistant course is provided with in described main card ring and oblique snap ring.
The beneficial effect adopting technique scheme to produce is:
The present invention owing to being provided with bearing diagonal and oblique snap ring, in use, can make whole suspension bracket stable be fixed on insulator string, effective place suspension bracket inclination and distortion, convenient operation, fail safe is high, can increase work efficiency.
Pulley is arranged on the two ends of hanger beam, not by the impact of support bar (i.e. main support and bearing diagonal), and handled easily.Without the need to installing pulley temporarily, save operation.
Main card ring structure in this device, directly over its fixing point is positioned at, therefore convenient operation.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present invention.
Fig. 2 is side-looking structural representation of the present invention.
Fig. 3 is main card ring structure schematic diagram of the present invention.
Fig. 4 is oblique Snap ring structure schematic diagram of the present invention.
Wherein: 1 hanger beam, 2 pulleys, 3 main supports, 3-1 depressed part, 4 main card rings, 4-1 determines main card ring, 4-2 moves main card ring, 4-3 connector, 5 locking nuts, 6 oblique snap rings, tiltedly snap ring, 6-2 move screw rod, 12-3 second gaily decorated basket nut under oblique snap ring, 7 otic placodes, the left screw rod of 8-1, the right screw rod of 8-2,8-3 first gaily decorated basket nut, 9 hinges, 10 skid resistant courses, 11 connecting bolts, the upper screw rod of 12-1,12-2 to 6-1 surely.
Embodiment
Below in conjunction with accompanying drawing 1-4 and specific embodiment, invention is described in further detail:
A kind of replacing insulator pulley fixed frame as illustrated in fig. 1 and 2, it comprises two ends and is provided with the hanger beam 1 of pulley 2, the main support 3 of two of being arranged on hanger beam 1, the main card ring 4 being arranged on described main support 3 end, the oblique snap ring 6 that is arranged on the bearing diagonal in described main support 3 and is arranged on described bearing diagonal end, the lower surface of hanger beam 1 is provided with otic placode 7, otic placode 7 is positioned at inside pulley 2, and upper end and the otic placode 7 of main support 3 are hinged.Spacing between two main card rings 4 can be adjusted like this, to be applicable to different operating modes.Bearing diagonal in two main supports 3 is positioned at the same side.
As shown in Figure 3, described main card ring 4 comprises the snap ring determining main card ring 4-1 and dynamic main card ring 4-2 two halves circle, described upper end of determining main card ring 4-1 is fixedly connected with main support 3, lower end is hinged with described dynamic main card ring 4-2 by hinge 9, the upper end of described dynamic main card ring 4-2 is fixedly installed connector 4-3, the depressed part 3-1 with described connector 4-3 mating shapes is provided with bottom described main support 3, described connector 4-3 and described depressed part 3-1 is connected formation with externally threaded cylinder, described main support 3 is equipped with the locking nut 5 with described cylinder adaptation; Described connector 4-3 can be semicylinder.Said structure clamping is convenient, simple to operate, and strength and stability is better.
As shown in Figure 2 and Figure 4, described bearing diagonal adjustable length, its upper end is hinged with described main support 3 by the otic placode 7 be fixedly installed in main support 3, lower end is provided with oblique snap ring 6, described oblique snap ring 6 comprises surely tiltedly snap ring 6-1 and dynamic oblique snap ring 6-2 two semicircle snap rings, middle part and the described bearing diagonal end of described fixed oblique snap ring 6-1 are hinged, one end of fixed oblique snap ring 6-1 is hinged by hinge 9 one end with dynamic oblique snap ring 6-2, and the other end is connected by the other end of connecting bolt 11 with dynamic oblique snap ring 6-2.
Described bearing diagonal comprises screw rod 12-1, lower screw rod 12-2 and connects second gaily decorated basket nut 12-3 of described upper screw rod 12-1 and lower screw rod 12-2, and described upper screw rod 12-1 and main support 3 are hinged, and described lower screw rod 12-2 is hinged with fixed oblique snap ring 6-1.By the effect of the second gaily decorated basket nut 12-3, the length of bearing diagonal can be regulated fast.
As shown in Figure 1, this device also comprises the length-adjustable bindiny mechanism be arranged between two main card rings 4, described bindiny mechanism comprises left screw rod 8-1, right screw rod 8-2 and connects first gaily decorated basket nut 8-3 of described left screw rod 8-1 and right screw rod 8-2, described left screw rod 8-1 and the end of right screw rod 8-2 are hinged with the corresponding main card ring 6-1 that determines respectively, described determine to be provided with otic placode 7 in the middle part of main card ring 6-1, this otic placode 7 is vertically arranged, and left screw rod 8-1 and right screw rod 8-2 is hinged with the corresponding main card ring 4-1 that determines by corresponding otic placode 7.Described syndeton can strengthen the mechanical strength of suspension bracket, and can adjust accordingly along with the adjustment of two main supports 3.
Skid resistant course 10 is provided with in described main card ring 4 and oblique snap ring 6.Described skid resistant course 10 is rubber layer, be fixedly installed on main card ring 4 and oblique snap ring 6 inwall, it has certain amount of elastic deformation, therefore for the slightly vicissitudinous insulator of size, can be applicable equally, and can have good fastening effect, the bulb due to insulator is stainless steel, main body is porcelain or this porcelain glass, directly and Metal Contact, be difficult to effectively snap ring and promptly, therefore skid resistant course 10 is set, effectively can solve the problem that snap ring slides.Main card ring 4 is fixedly fastened on the bulb of insulator, or between two full skirts of insulator, described oblique snap ring 6 be fixed on close on main card ring 4 bulb on, or between two full skirts of insulator.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of embodiment of the present invention technical scheme.
Claims (3)
1. a replacing insulator pulley fixed frame, it is characterized in that: it comprises two ends and is provided with the hanger beam (1) of pulley (2), two the main supports (3) be arranged on hanger beam (1), the main card ring (4) being arranged on described main support (3) end, the oblique snap ring (6) that is arranged on the bearing diagonal on described main support (3) and is arranged on described bearing diagonal end, and upper end and the described hanger beam (1) of described main support (3) are hinged;
Described main card ring (4) comprises the snap ring determining main card ring (4-1) and dynamic main card ring (4-2) two halves circle, described upper end of determining main card ring (4-1) is fixedly connected with main support (3), lower end is hinged by hinge (9) and described dynamic main card ring (4-2), the upper end of described dynamic main card ring (4-2) is fixedly installed connector (4-3), described main support (3) bottom is provided with the depressed part (3-1) with described connector (4-3) mating shapes, described connector (4-3) and described depressed part (3-1) are connected formation with externally threaded cylinder, described main support (3) is equipped with the locking nut (5) with described cylinder adaptation,
Described bearing diagonal adjustable length, its upper end and described main support (3) are hinged, lower end is provided with oblique snap ring (6), described oblique snap ring (6) comprises surely tiltedly snap ring (6-1) and dynamic oblique snap ring (6-2) two semicircle snap rings, middle part and the described bearing diagonal end of described fixed oblique snap ring (6-1) are hinged, one end of fixed oblique snap ring (6-1) is hinged by hinge (9) one end with dynamic oblique snap ring (6-2), the other end is connected by the other end of connecting bolt (11) with dynamic oblique snap ring (6-2), skid resistant course (10) is provided with in described main card ring (4) and oblique snap ring (6).
2. a kind of replacing insulator pulley fixed frame according to claim 1, it is characterized in that: described bearing diagonal comprises screw rod (12-1), lower screw rod (12-2) and connects the second gaily decorated basket nut (12-3) of described upper screw rod (12-1) and lower screw rod (12-2), described upper screw rod (12-1) and main support (3) are hinged, and described lower screw rod (12-2) is hinged with fixed oblique snap ring (6-1).
3. a kind of replacing insulator pulley fixed frame according to claim 1, it is characterized in that: also comprise the length-adjustable bindiny mechanism be arranged between two main card rings (4), described bindiny mechanism comprises left screw rod (8-1), right screw rod (8-2) and connects the first gaily decorated basket nut (8-3) of described left screw rod (8-1) and right screw rod (8-2), and described left screw rod (8-1) and the end of right screw rod (8-2) are hinged with corresponding main card ring (4-1) of determining respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510228658.2A CN104901225B (en) | 2015-05-07 | 2015-05-07 | A kind of replacing insulator pulley fixed frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510228658.2A CN104901225B (en) | 2015-05-07 | 2015-05-07 | A kind of replacing insulator pulley fixed frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104901225A true CN104901225A (en) | 2015-09-09 |
| CN104901225B CN104901225B (en) | 2018-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510228658.2A Active CN104901225B (en) | 2015-05-07 | 2015-05-07 | A kind of replacing insulator pulley fixed frame |
Country Status (1)
| Country | Link |
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| CN (1) | CN104901225B (en) |
Citations (11)
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| CN201173241Y (en) * | 2008-03-25 | 2008-12-31 | 付永涛 | Nut spring safety hook |
| CN201523201U (en) * | 2009-09-28 | 2010-07-07 | 湖北省电力公司孝感供电公司 | Double split conductor spacing card |
| CN201846021U (en) * | 2010-11-12 | 2011-05-25 | 西北电网有限公司西安输变电运行公司 | Insulating gin for replacing 750 kV tension insulator |
| CN201877763U (en) * | 2010-08-24 | 2011-06-22 | 中国电力科学研究院 | Turn buckle type stepless adjustable interphase spacing bar bracket |
| CN201904571U (en) * | 2010-12-19 | 2011-07-20 | 宁夏电力公司超高压分公司 | Bracket for replacing tension string porcelain bottles of bundle conductor |
| CN102738734A (en) * | 2012-06-15 | 2012-10-17 | 河北省电力公司检修分公司 | Hanging bracket for replacing porcelain insulator on strain tower |
| CN102738733A (en) * | 2012-06-15 | 2012-10-17 | 河北省电力公司检修分公司 | Cradle for replacing porcelain insulator of +/-660kV strain tower |
| CN102761077A (en) * | 2012-07-20 | 2012-10-31 | 河南送变电建设公司 | Insulating hoisting bracket for strain insulator string of 1000kV extra-high alternating current line |
| CN202856246U (en) * | 2012-11-16 | 2013-04-03 | 安徽电力濉溪供电有限责任公司 | Insulator replacement device |
| JP2013233038A (en) * | 2012-04-27 | 2013-11-14 | Tokyo Electric Power Co Inc:The | Construction method for replacing insulator set of 4 conductor power line, and replacing apparatus used for same construction method |
| CN103545753A (en) * | 2013-10-16 | 2014-01-29 | 国家电网公司 | Multifunctional 550kN titanium alloy closed insulator fixture |
-
2015
- 2015-05-07 CN CN201510228658.2A patent/CN104901225B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201173241Y (en) * | 2008-03-25 | 2008-12-31 | 付永涛 | Nut spring safety hook |
| CN201523201U (en) * | 2009-09-28 | 2010-07-07 | 湖北省电力公司孝感供电公司 | Double split conductor spacing card |
| CN201877763U (en) * | 2010-08-24 | 2011-06-22 | 中国电力科学研究院 | Turn buckle type stepless adjustable interphase spacing bar bracket |
| CN201846021U (en) * | 2010-11-12 | 2011-05-25 | 西北电网有限公司西安输变电运行公司 | Insulating gin for replacing 750 kV tension insulator |
| CN201904571U (en) * | 2010-12-19 | 2011-07-20 | 宁夏电力公司超高压分公司 | Bracket for replacing tension string porcelain bottles of bundle conductor |
| JP2013233038A (en) * | 2012-04-27 | 2013-11-14 | Tokyo Electric Power Co Inc:The | Construction method for replacing insulator set of 4 conductor power line, and replacing apparatus used for same construction method |
| CN102738734A (en) * | 2012-06-15 | 2012-10-17 | 河北省电力公司检修分公司 | Hanging bracket for replacing porcelain insulator on strain tower |
| CN102738733A (en) * | 2012-06-15 | 2012-10-17 | 河北省电力公司检修分公司 | Cradle for replacing porcelain insulator of +/-660kV strain tower |
| CN102761077A (en) * | 2012-07-20 | 2012-10-31 | 河南送变电建设公司 | Insulating hoisting bracket for strain insulator string of 1000kV extra-high alternating current line |
| CN202856246U (en) * | 2012-11-16 | 2013-04-03 | 安徽电力濉溪供电有限责任公司 | Insulator replacement device |
| CN103545753A (en) * | 2013-10-16 | 2014-01-29 | 国家电网公司 | Multifunctional 550kN titanium alloy closed insulator fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104901225B (en) | 2018-03-02 |
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