CN109281603B - 110KV strain insulator pole composite insulator outgoing line hanging ladder - Google Patents
110KV strain insulator pole composite insulator outgoing line hanging ladder Download PDFInfo
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- CN109281603B CN109281603B CN201811124548.1A CN201811124548A CN109281603B CN 109281603 B CN109281603 B CN 109281603B CN 201811124548 A CN201811124548 A CN 201811124548A CN 109281603 B CN109281603 B CN 109281603B
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- sleeve
- rod
- elliptical
- cross arm
- insulating
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
- E06C1/3835—Foldable ladders in which the longitudinal members are brought together on folding having collapsible steps comprising a hinge in their central part
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
- E06C7/081—Rungs or other treads comprising anti-slip features
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
- E06C7/082—Connections between rungs or treads and longitudinal members
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/48—Ladder heads; Supports for heads of ladders for resting against objects
Abstract
The invention belongs to the technical field of electric power overhaul equipment, and provides a 110KV strain rod composite insulator outgoing line hanging ladder which comprises two insulating rods with elliptical radial sections, wherein one ends of the two insulating rods are fixedly provided with elliptical sleeves, the bottoms of the two elliptical sleeves are hinged and connected, and the two sides of the two elliptical sleeves are fixedly connected through connecting bolts and knurled nuts respectively; the other end of one of the insulating rods is fixedly provided with a cross arm clamping mechanism, the other end of the other insulating rod is slidably sleeved with a sleeve matched with the outer diameter of the insulating rod, the sleeve is provided with a positioning mechanism for positioning the insulating rod on the sleeve, and the top of the sleeve is also fixedly provided with a hanging rod. The folding type folding chair is simple and convenient to install and use, can realize flexible adjustment of the use length, has strong universality, has the functions of disassembly and folding, greatly reduces the volume after disassembly and folding, is convenient to carry, transport and store, can effectively avoid the phenomena of swinging and shaking when people pass through, and greatly reduces the potential safety hazard.
Description
Technical Field
The invention relates to the technical field of electric power overhaul equipment, in particular to a 110KV strain rod composite insulator outgoing line hanging ladder.
Background
In the construction and maintenance of the power line, when an operator goes out from the tension rod to replace a vibration damper, remove or install a drainage wire, maintain or inspect a wire clamp and a fitting and the like, the operator needs to cross over an insulator and reach a cable to perform operation. Because when the annex is installed, should take the measure that prevents multiplexer utensil collision organic composite insulator chute boot, and the installation in-process forbids trampling organic composite insulator upper and lower wire to avoid causing the damage to organic composite insulator because of the fish tail, trampling, make the construction of being qualified for the next round of competitions to strain insulator pole composite insulator form certain degree of difficulty.
At present, at 110KV power transmission line maintenance work, for avoiding causing the damage to the insulator when being qualified for the next round of competitions, maintainer often sets up wooden shoulder pole and strides insulator maintenance of being qualified for the next round of competitions, though the work of going up the wire down for maintainer provides convenience, nevertheless along with its use, discover gradually that it has following several defects: (1) the folding and disassembling functions are not provided, the whole volume is large, the carrying and the storage when not used are inconvenient, and the storage and taking space is large; (2) the length is fixed, the length cannot be adjusted, and due to the difference in the lengths of the insulators and the hardware fittings on the tension rods, the length cannot be flexibly adjusted according to the actual outgoing line condition, so that the application range is small, and the universality is poor; (3) when the maintainer strides the insulator through wooden shoulder pole and is qualified for the next round of competitions, because wooden shoulder pole hangs the dress in insulator or cable through the couple, inevitable emergence when personnel pass through sways, rocks, has higher potential safety hazard, and easily takes place the unhook phenomenon.
Therefore, the development of the 110KV tension rod composite insulator outgoing hanging ladder not only has urgent research value, but also has good economic benefit and industrial application potential, which is the basis and the place where the invention can be completed.
Disclosure of Invention
The present inventors have conducted intensive studies to overcome the above-identified drawbacks of the prior art, and as a result, have completed the present invention after having made a great deal of creative efforts.
Specifically, the technical problems to be solved by the present invention are: the utility model provides a 110KV strain insulator pole composite insulator goes out line and hangs ladder to solve present insulator auxiliary outlet equipment and do not possess dismantlement, folding function, bulky, inconvenient carrying use, transport and store, and do not possess length adjustment, the poor technical problem of commonality.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the outgoing line hanging ladder for the 110KV tension rod composite insulator comprises two insulating rods with elliptical radial sections, wherein one ends of the two insulating rods are fixedly provided with elliptical sleeves, the bottoms of the two elliptical sleeves are hinged and connected, and the two sides of the two elliptical sleeves are fixedly connected through connecting bolts and knurled nuts respectively;
the other end of the insulating rod is fixedly provided with a cross arm clamping mechanism, the other end of the insulating rod is slidably sleeved with a sleeve matched with the outer diameter of the insulating rod, the sleeve is provided with a positioning mechanism for positioning the sleeve on the insulating rod, and the top of the sleeve is also fixedly provided with a hanging rod.
As an improved technical scheme, the elliptical sleeve is fixedly sleeved at the end part of the insulating rod, a hinge lug is arranged at the bottom of the elliptical sleeve, a hinge hole for a hinge shaft to penetrate is formed in the hinge lug, and the two elliptical sleeves are hinged and connected through the hinge lug and the hinge shaft;
the two sides of the oval sleeve are respectively provided with a connecting lug, the two connecting lugs of the oval sleeve are arranged correspondingly, and a screw rod of the connecting bolt penetrates through the two connecting lugs of the oval sleeve and is installed in a threaded fit mode with the knurled nut.
As an improved technical scheme, the cross arm clamping mechanism comprises a cross arm clamping device and a locking handle, the cross arm clamping device comprises a sleeve body and a clamping body integrally welded with the sleeve body, the sleeve body is provided with a blind hole matched with the outer diameter of the insulating rod, the sleeve body is sleeved at the end part of the insulating rod through the blind hole and is fixed by a rivet, the clamping body is provided with a bayonet used for being clamped on the cross arm, and the locking handle is installed on the clamping body in a threaded mode.
As a further improved technical scheme, the bottom of the clamping body is provided with a cross arm meshing part, the top of the clamping body is provided with a handle installation part, the handle installation part is provided with a handle installation hole corresponding to the cross arm meshing part, and the locking handle is installed on the handle installation part through the handle installation hole in a threaded manner.
As an improved technical scheme, the positioning mechanism comprises a positioning handle, a positioning hole is formed in the bottom of the sleeve, a reinforcing part is further arranged at the position, corresponding to the positioning hole, of the bottom of the sleeve, an internal thread matched with a screw rod of the positioning handle is formed in the reinforcing part, and the positioning handle is installed on the reinforcing part in a threaded mode.
As an improved technical scheme, a non-slip mat is arranged between the sleeve and the insulating rod, the non-slip mat is of an elliptical ring-shaped structure in the radial section, and the non-slip mat is sleeved between the sleeve and the insulating rod.
As an improved technical scheme, the hanging rod comprises a hanging hook portion and a connecting rod portion, the hanging hook portion is hinged to the connecting rod portion through a pin shaft, an L-shaped connecting plate is fixedly mounted at the bottom of the connecting rod portion, a mounting plate is arranged on the sleeve, the mounting plate is arranged on one side of the top of the sleeve, the connecting rod portion passes through the L-shaped connecting plate and the mounting plate and is fixedly connected with the mounting plate, and when the connecting rod portion is in a connection state, the hanging rod is vertically arranged in the vertical direction of the sleeve.
As an improved technical scheme, the bottom fixed mounting of connecting rod portion has a mounting bolt, the one end of L shape connecting plate is passed through mounting bolt and mounting nut fixed mounting in the bottom of connecting rod portion, the other end of L shape connecting plate pass through mounting bolt and mounting nut with mounting panel fixed connection, just mounting nut with all fill up between the L shape connecting plate and be equipped with the spring pad.
As an improved technical scheme, the insulating rod is made of phenolic epoxy resin or is a wood rod.
As an improved technical scheme, the outer walls of the cross arm clamp, the sleeve and the hanging rod are all plated with chromium layers.
After the technical scheme is adopted, the invention has the beneficial effects that:
(1) this insulator is qualified for next round of competitions and is hung ladder that is equipped with, moreover, the steam generator is simple in structure, during the use, utilize the transmission rope to transmit the cross arm position department to strain insulator pole with this string ladder, clamp cross arm fixture on the cross arm, and will hang the dress pole and utilize the top couple to hang and adorn on insulator or cable, then turn knob locking handle fastens, make cross arm fixture firmly clamp on the cross arm can, installation and use easy operation is convenient, and hang ladder one end and clamp fixedly through cross arm fixture, the other end is through the mounting means that the couple was hung, when facilitating the installation and use, can effectively avoid personnel through rocking when passing through, rock the emergence of phenomenon, compare the supplementary facility of being qualified for the next round of competitions of traditional insulator, potential safety hazard greatly reduced.
(2) Radial cross-section is the insulator spindle of ellipse circular, has higher structural strength, and the maintainer of being convenient for tramples and pass through, and personnel's trafficability characteristic is good.
(3) Two insulator spindle are articulated continuous through the oval cover that fixed suit was some to utilize connecting bolt and knurled nut fixed connection's structure, simple structure can satisfy the operating personnel completely and trample the intensity demand that passes through, and the time spent not can loosen connecting bolt and knurled nut, and two insulator spindle are folded together around the pin joint, and the volume reduces greatly, portable transport and store.
(4) This cross arm that is equipped with clamps the mechanism, moreover, the steam generator is simple in structure, in use, on clamping the cross arm through the bayonet socket of cross arm fixture, the firm installation on strain insulator pole cross arm can be realized to turn knob locking handle, and clamp and difficult deviating from after locking, when personnel pass through, hang the cross arm position department that the gravity that ladder one end bore was used to strain insulator pole through the cross arm fixture, can reduce this string ladder and operating personnel gravity to the effort of cable, after finishing using, the locking handle of unscrewing can take off, this cross arm clamps the installation of mechanism and dismantles easy operation convenience, it provides reliable guarantee to be qualified for the next round of competitions the construction for operating personnel's high efficiency.
(5) Hang dress pole fixed mounting on the sleeve pipe, the sleeve pipe slides the suit on the insulator spindle, and be equipped with positioning mechanism's structure on the sleeve pipe, can carry out nimble regulation to this length of hanging the ladder according to the length of waiting to be qualified for the next round of competitions insulator and gold utensil, during the regulation, loosen the location handle and carry out slide adjusting to the sleeve pipe, alright realize hanging the position control of dress pole on the insulator spindle, after the regulation finishes, the location that locks the location handle and can realize hanging dress pole current position is fixed, it is convenient to adjust easy operation, through adjusting the interval between dress pole and the cross arm fixture, make this hang the ladder and can be applicable to the use of being qualified for the next round of competitions of different length composite.
(6) The non-slip mat that is equipped with between sleeve pipe and the insulator spindle, when locking location handle is fixed to the sleeve pipe location, can greatly increased sleeve pipe and insulator spindle between the contact friction for the sleeve pipe location is fixed more firmly, reliable.
(7) The structure that the couple portion of hanging the dress pole links to each other with the articulated of connecting rod portion, when personnel take place to rock, sway through this string ladder, articulated structure that links to each other can avoid rocking and sway and transmit couple position, and then avoids causing the influence to the dress of hanging of couple on the insulator, effectively avoids the emergence of phenomenons such as couple unhook, uses safe and reliable.
(8) The hanging rod is connected with the sleeve through the L-shaped connecting plate, so that the hanging rod can be pulled to the central line of the insulating rod through the sleeve, and the insulating rod can be kept horizontal and does not incline when the hanging ladder is installed and used, and operating personnel can conveniently pass through the hanging ladder.
(9) The insulator spindle is made for phenolic epoxy resin material or wooden pole, when satisfying the insulator spindle working strength, insulating properties is good, and the quality is light, uses in high altitude construction for this string ladder provides convenience for operation personnel's the insulator operation labour saving and time saving of being qualified for the next round of competitions of striding.
(10) The chromium layers are plated on the outer walls of the cross arm clamp, the sleeve and the hanging rod, so that the hanging ladder has good corrosion resistance and wear resistance, and the service life of the hanging ladder is greatly prolonged.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 2 is a schematic sectional view in the direction of A-A of the present invention;
FIG. 3 is a schematic cross-sectional view along the direction B-B of the present invention;
FIG. 4 is a schematic cross-sectional view in the direction C-C of the present invention;
FIG. 5 is a schematic view of the cross arm clamp of the present invention;
FIG. 6 is a schematic structural view of the bushing of the present invention;
FIG. 7 is a schematic structural diagram of an elliptical sheath according to a second embodiment of the present invention;
reference numerals: 1-an insulating rod; 2-elliptical sleeve; 201-hinge ear; 2011-hinge hole; 202-connecting lug; 2021-via hole; 2022-snap fit notch; 3-connecting bolts; 4-knurled nut; 5-cross arm clamp; 501-a package body; 5011-blind hole; 502-card package; 5021, cross arm occlusion part; 5022-a handle mounting part; 50221-handle mounting hole; 6-locking a handle; 7-a sleeve; 701-positioning holes; 702-a reinforcement; 703-a mounting plate; 8-positioning a handle; 9-hanging the rod; 901-hook section; 902-a link portion; 10-a hinged axis; 11-rivets; 12-a non-slip mat; 13-a pin shaft; 14-L-shaped connecting plates; 15-mounting bolts; 16-mounting a nut; 17-spring pad.
Detailed Description
The invention is further illustrated by the following specific examples. The use and purpose of these exemplary embodiments are to illustrate the present invention, not to limit the actual scope of the present invention in any way, and not to limit the scope of the present invention in any way.
Example one
As shown in fig. 1 to 4, the embodiment provides a 110KV tension rod composite insulator outgoing line hanging ladder, which includes two insulating rods 1 with elliptical radial cross sections, wherein one end of each of the two insulating rods 1 is fixedly provided with an elliptical sleeve 2, the bottoms of the two elliptical sleeves 2 are hinged and connected, and the two sides of each of the two elliptical sleeves 2 are fixedly connected with a knurled nut 4 through a connecting bolt 3 respectively, so that the knurled nut 4 is provided, and can be directly screwed and fastened during use, and the use is convenient; in this embodiment, the elliptical sleeve 2 is fitted over the end of the insulating rod 1 and fixed by a rivet 11.
Insulator spindle 1 is radial cross-section for oval column structure, has higher structural strength, and the passage is trampled to the maintainer of being convenient for, and personnel's trafficability characteristic is good.
For making this string of ladder have good insulating properties, make the whole weight of hanging the ladder lighter simultaneously, so that use on the strain insulator pole and carry the transport, insulator spindle 1 makes or adopts wooden pole for the novolac epoxy material, in this embodiment, insulator spindle 1 makes for adopting the novolac epoxy material, when satisfying 1 service strength of insulator spindle, insulating properties is good, and the quality is light, use in high altitude construction for this string of ladder provides convenience, make operating personnel's the insulator operation labour saving and time saving of being qualified for the next round of competitions of striding.
As shown in fig. 1, 2 and 7, in order to realize the hinged connection between the two elliptical sleeves 2, a hinge lug 201 is arranged at the bottom of the elliptical sleeve 2, a hinge hole 2011 for the hinge shaft 10 to penetrate is formed in the hinge lug 201, and the two elliptical sleeves 2 are hinged and connected through the hinge lug 201 and by the hinge shaft 10; in this embodiment, a hinge lug 201 is fixedly welded in the middle of the bottom of one of the elliptical sleeves 2, two hinge lugs 201 are fixedly welded in the bottom of the other elliptical sleeve 2, a gap is formed between the two hinge lugs 201, the hinge lugs 201 of the two elliptical sleeves 2 are inserted in a staggered manner and are sequentially connected through hinge shafts 10, so that the two elliptical sleeves 2 are hinged and connected, and the two insulating rods 1 can be folded around the hinge points.
The two sides of the oval sleeve 2 are respectively provided with a connecting lug 202, the connecting lugs 202 are in an integral structure with the oval sleeve 2, the connecting lugs 202 of the two oval sleeves 2 are arranged in pairs, and a screw of a connecting bolt 3 penetrates through the connecting lugs 202 of the two oval sleeves 2 and is installed in threaded fit with the knurled nut 4; in this embodiment, the connecting lugs 202 of the two elliptical sleeves 2 are both provided with through holes 2021, and the connecting bolt 3 and the knurled nut 4 realize the fixed connection between the two connecting lugs 202 through the through holes 2021.
Two insulator spindle 1 are articulated continuous through some oval cover 2 of fixed suit to utilize connecting bolt 3 and 4 fixed connection's of knurled nut structure, simple structure can satisfy the operating personnel completely and trample the intensity demand that passes through, and the time spent not can loosen connecting bolt 3 and knurled nut 4, and two insulator spindle 1 are folded together around the pin joint, and the volume reduces greatly, portable transport and store.
In order to realize the installation of the hanging ladder, a cross arm clamping mechanism is fixedly installed at the other end of one insulating rod 1, a sleeve 7 matched with the outer diameter of the insulating rod 1 is slidably sleeved at the other end of the other insulating rod 1, a positioning mechanism used for realizing the positioning of the sleeve 7 on the insulating rod 1 is arranged on the sleeve 7, and a hanging rod 9 is fixedly installed at the top of the sleeve 7.
As shown in fig. 1, the cross arm clamping mechanism includes a cross arm clamp 5 and a locking handle 6, the cross arm clamp 5 includes a sleeve 501 and a clamping body 502 integrally welded with the sleeve 501, the sleeve 501 has a blind hole 5011 adapted to the outer diameter of the insulating rod 1, the sleeve 501 is sleeved on the end of the insulating rod 1 through the blind hole 5011 and fixed by a rivet 11, the clamping body 502 has a bayonet for clamping on the cross arm, and the locking handle 6 is threadedly mounted on the clamping body 502.
As shown in fig. 4 and fig. 5, in this embodiment, a cross arm engaging portion 5021 is disposed at the bottom of the clamping body 502, a handle mounting portion 5022 is disposed at the top of the clamping body 502, the cross arm engaging portion 5021 and the handle mounting portion 5022 are respectively fixedly welded to the end of the clamping body 502, a handle mounting hole 50221 corresponding to the cross arm engaging portion 5021 is formed in the handle mounting portion 5022, and the locking handle 6 is threadedly mounted on the handle mounting portion 5022 through the handle mounting hole 50221.
Above-mentioned cross arm that is equipped with clamps the mechanism, moreover, the steam generator is simple in structure, in use, on clamping the cross arm through the bayonet socket of cross arm fixture 5, the firm installation on strain insulator pole cross arm can be realized to turn knob locking handle 6, and clamp and be difficult for deviating from after locking, when personnel passed through, the gravity that string ladder one end bore passes through cross arm position department that the strain insulator pole was used to cross arm fixture 5, can reduce the effort of this string ladder and operation personnel gravity to the cable, after finishing using, turn knob locking handle 6 can take off, this cross arm clamps the mechanism installation and dismantles easy operation convenience, it provides reliable guarantee to be qualified for the next round of competitions the construction for operation personnel's high efficiency.
The positioning mechanism comprises a positioning handle 8, the bottom of the sleeve 7 is provided with a positioning hole 701, the bottom of the sleeve 7 is also provided with a reinforcing part 702 at a position corresponding to the positioning hole 701, the reinforcing part 702 is fixedly welded on the sleeve 7, the reinforcing part 702 is provided with an internal thread matched with a screw rod of the positioning handle 8, the positioning handle 8 is installed on the reinforcing part 702 in a threaded manner, and the structure of the sleeve 7 is as shown in fig. 6; in this embodiment, the screw rod of the positioning handle 8 is a flat head screw rod.
An anti-slip pad 12 is further arranged between the sleeve 7 and the insulating rod 1, the anti-slip pad 12 is of an elliptical ring-shaped structure in the radial section, and the anti-slip pad 12 is sleeved between the sleeve 7 and the insulating rod 1, in the embodiment, the anti-slip pad 12 is a rubber pad with the thickness of 1 mm; the non-slip mat 12 that is equipped with between sleeve pipe 7 and the insulator spindle 1, when locking location handle 8 is fixed the sleeve pipe 7 location, can greatly increased sleeve pipe 7 and insulator spindle 1 between the contact frictional force for sleeve pipe 7 location is fixed more firmly, reliably.
As shown in fig. 3, the hanging rod 9 includes a hook portion 901 and a connecting rod portion 902, the hook portion 901 and the connecting rod portion 902 are hinged by a pin 13, an L-shaped connecting plate 14 is fixedly installed at the bottom of the connecting rod portion 902, an installing plate 703 is installed on the sleeve 7, the installing plate 703 is installed at one side of the top of the sleeve 7, the connecting rod portion 902 is fixedly connected with the installing plate 703 through the L-shaped connecting plate 14, and when in a connected state, the hanging rod 9 and the sleeve 7 are vertically arranged in a vertical direction; hang hook portion 901 of dress pole 9 and the articulated structure that links to each other of connecting rod portion 902, take place to rock through this string ladder when personnel, when swaing, articulated structure that links to each other, can avoid rocking and sway and transmit couple portion 901 position, and then avoid causing the influence to the dress of hanging of couple on the insulator, effectively avoid the emergence of phenomenons such as couple unhook, safe and reliable is used, and hang dress pole 9 and realize being connected with sleeve pipe 7 through L shape connecting plate 14, can make and hang dress pole 9 and use the pulling force on insulator spindle 1 through sleeve pipe 7 and fall on the central line of insulator spindle 1, and then when guaranteeing this string ladder installation use, insulator spindle 1 can keep the level not to take place the slope, the operating personnel of being convenient for pass through.
In order to realize the connection between the hanging rod 9 and the sleeve 7, a mounting bolt 15 is fixedly mounted at the bottom end of the connecting rod portion 902, the mounting bolt 15 is fixedly welded at the bottom end of the connecting rod portion 902, one end of an L-shaped connecting plate 14 is fixedly mounted at the bottom end of the connecting rod portion through the mounting bolt 15 and a mounting nut 16, the other end of the L-shaped connecting plate 14 is fixedly connected with the mounting plate 703 through the mounting bolt 15 and the mounting nut 16, and a spring cushion 17 is padded between the mounting nut 16 and the L-shaped connecting plate 14; in this embodiment, in order to make the installation firm and not easy to loose, two mounting nuts 16 are mounted on each mounting bolt 15.
In this embodiment, the outer walls of the cross arm clamp 5, the sleeve 7 and the hanging rod 9 are all plated with chromium layers, so that the hanging ladder has good corrosion resistance and wear resistance, and the service life of the hanging ladder is greatly prolonged.
This insulator is qualified for next round of competitions and hangs ladder based on above-mentioned structure, moreover, the steam generator is simple in structure, in use, will hang ladder and utilize the transmission rope to transmit the cross arm position department to strain insulator pole, clamp cross arm fixture 5 on the cross arm, and will hang dress pole 9 and utilize the top couple to hang dress on insulator or cable, then turn knob locking handle 6 fastens, make cross arm fixture 5 firmly clamp on the cross arm can, install and use easy operation convenience, and hang ladder one end and clamp fixedly through cross arm fixture 5, the other end is through the mounting means that the couple hung dress, when facilitating the installation and use, can effectively avoid personnel to swing when passing through, rock the emergence of phenomenon, compare the supplementary facility of being qualified for the next round of competitions of traditional insulator, potential safety hazard greatly reduced.
After finishing using, loosen locking handle 6, will hang dress pole 9 and take down from insulator or cable, and deviate from cross arm fixture 5 can from strain insulator pole cross arm, put down the back with this string ladder from strain insulator pole, can loosen location handle 8, deviate from sleeve pipe 7 from insulator spindle 1, alright realize hanging dress pole 9 and the dismantlement separation of insulator spindle 1, then loosen annular knurl nut 4, it can to fold two insulator spindles 1 around the pin joint, this insulator is qualified for the next round of competitions and is hung ladder dismantles folding back, the volume reduces greatly, and convenient to carry, transport and store, convenient and practical.
Example two
The structure of this embodiment is the same as that of the embodiment, the difference lies in that, the engaging lug 202 structure of one of the oval sleeves 2 is as shown in fig. 7, the engaging lug 202 of the oval sleeve 2 is provided with a clamping gap 2022, the opening of the clamping gap 2022 faces upward, the connecting bolt 3 is fixedly mounted on the engaging lug 202 of the other oval sleeve 2, during use, the two insulating rods 1 are butted, the screw rod of the connecting bolt 3 is clamped in the clamping gap 2022 corresponding to the engaging lug 202, and the knurled nut 4 is screwed to realize positioning connection.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should also be understood that various alterations, modifications and/or variations can be made to the present invention by those skilled in the art after reading the technical content of the present invention, and all such equivalents fall within the protective scope defined by the claims of the present application.
Claims (7)
1. The utility model provides a 110KV strain insulator pole composite insulator is qualified for next round of competitions and hangs ladder which characterized in that: the insulation rod comprises two insulation rods with elliptical radial sections, wherein one ends of the two insulation rods are fixedly provided with elliptical sleeves, the bottoms of the two elliptical sleeves are hinged and connected, two sides of each elliptical sleeve are respectively provided with a connecting lug, the connecting lugs of the two elliptical sleeves are arranged in a pairwise corresponding manner, a clamping gap is formed in one connecting lug of each elliptical sleeve, the opening of the clamping gap faces upwards, and two sides of each elliptical sleeve are fixedly connected through the connecting lugs by using a connecting bolt and a knurled nut;
the other end of one of the insulating rods is fixedly provided with a cross arm clamping mechanism, the other end of the other insulating rod is slidably sleeved with a sleeve matched with the outer diameter of the insulating rod, the sleeve is provided with a positioning mechanism for positioning the sleeve on the insulating rod, and the top of the sleeve is also fixedly provided with a hanging rod;
the cross arm clamping mechanism comprises a cross arm clamping device and a locking handle, the cross arm clamping device comprises a sleeved body and a clamping body integrally welded with the sleeved body, the sleeved body is provided with a blind hole matched with the outer diameter of the insulating rod, the sleeved body is sleeved at the end part of the insulating rod through the blind hole and is fixed by a rivet, the clamping body is provided with a bayonet used for clamping the cross arm, and the locking handle is installed on the clamping body in a threaded manner;
the positioning mechanism comprises a positioning handle, a positioning hole is formed in the bottom of the sleeve, a reinforcing part is further arranged at the position, corresponding to the positioning hole, of the bottom of the sleeve, an internal thread matched with a screw rod of the positioning handle is formed in the reinforcing part, and the positioning handle is installed on the reinforcing part in a threaded mode;
the hanging rod comprises a hanging hook portion and a connecting rod portion, the hanging hook portion is hinged to the connecting rod portion through a pin shaft, an L-shaped connecting plate is fixedly mounted at the bottom of the connecting rod portion, a mounting plate is arranged on the sleeve, the mounting plate is arranged on one side of the top of the sleeve, the connecting rod portion passes through the L-shaped connecting plate and the mounting plate and is fixedly connected with the mounting plate, and when the hanging rod is in a connection state, the sleeve is perpendicularly arranged in the vertical direction.
2. The outgoing line hanging ladder of the 110KV tension rod composite insulator as claimed in claim 1, characterized in that: the elliptical sleeve is fixedly sleeved at the end part of the insulating rod, a hinge lug is arranged at the bottom of the elliptical sleeve, a hinge hole for a hinge shaft to penetrate is formed in the hinge lug, and the two elliptical sleeves are hinged and connected through the hinge lug by utilizing the hinge shaft;
and a screw rod of the connecting bolt penetrates through the two connecting lugs of the oval sleeve and is installed in a threaded fit with the knurled nut.
3. The 110KV strain rod composite insulator outgoing line hanging ladder of claim 2, wherein: the bottom that clamps the body is equipped with a cross arm interlock portion, the top that clamps the body is equipped with a handle installation department, the handle installation department set up one with the corresponding handle mounting hole that sets up of cross arm interlock portion, the locking handle pass through handle mounting hole threaded mounting in on the handle installation department.
4. The outgoing line hanging ladder of the 110KV tension rod composite insulator as claimed in claim 3, wherein: and an anti-slip pad is arranged between the sleeve and the insulating rod, the anti-slip pad is of an elliptical ring-shaped structure with a radial section, and the anti-slip pad is sleeved between the sleeve and the insulating rod.
5. The 110KV strain rod composite insulator outgoing line hanging ladder of claim 4, wherein: the bottom fixed mounting of connecting rod portion has the construction bolt, the one end of L shape connecting plate is passed through construction bolt and mounting nut fixed mounting in the bottom of connecting rod portion, the other end of L shape connecting plate pass through construction bolt, mounting nut with mounting panel fixed connection, just the construction nut with all fill up between the L shape connecting plate and be equipped with the spring pad.
6. The outgoing line hanging ladder of the 110KV tension rod composite insulator as claimed in claim 5, wherein: the insulating rod is made of phenolic epoxy resin materials or is a wood rod.
7. The outgoing line hanging ladder of the 110KV tension rod composite insulator as claimed in claim 6, wherein: the outer walls of the cross arm clamp, the sleeve and the hanging rod are all plated with chromium layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811124548.1A CN109281603B (en) | 2018-09-26 | 2018-09-26 | 110KV strain insulator pole composite insulator outgoing line hanging ladder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811124548.1A CN109281603B (en) | 2018-09-26 | 2018-09-26 | 110KV strain insulator pole composite insulator outgoing line hanging ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109281603A CN109281603A (en) | 2019-01-29 |
| CN109281603B true CN109281603B (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811124548.1A Expired - Fee Related CN109281603B (en) | 2018-09-26 | 2018-09-26 | 110KV strain insulator pole composite insulator outgoing line hanging ladder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112054422B (en) * | 2020-09-27 | 2022-05-27 | 国网河南省电力公司超高压公司 | Extra-high voltage transformer overhauling operation device and overhauling method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200969494Y (en) * | 2006-11-03 | 2007-10-31 | 福建省福州电业局 | Portable tangent towers, anchor towers outlet tools |
| KR200438937Y1 (en) * | 2007-03-06 | 2008-03-12 | 주식회사 한발 | Working ladder for polymer insulator of power electric transmission line |
| CN105390835A (en) * | 2015-11-09 | 2016-03-09 | 国网山东胶州市供电公司 | Novel ground hook |
| CN205583524U (en) * | 2016-04-11 | 2016-09-14 | 国家电网公司 | Composite insulator cat ladder of being qualified for next round of competitions |
| CN205936365U (en) * | 2016-07-19 | 2017-02-08 | 国网浙江省电力公司台州供电公司 | Special ladder of sitting of strain insulator tower composite insulator |
| CN106300134A (en) * | 2016-09-22 | 2017-01-04 | 国家电网公司 | The instrument of wire is fixed when charged for replacement 10kV distribution line needle porcelain bottle |
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| CN109281603A (en) | 2019-01-29 |
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