CN112821285B - Insulating crossing support rod for power transmission line erection and use method thereof - Google Patents
Insulating crossing support rod for power transmission line erection and use method thereof Download PDFInfo
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- CN112821285B CN112821285B CN202110119207.0A CN202110119207A CN112821285B CN 112821285 B CN112821285 B CN 112821285B CN 202110119207 A CN202110119207 A CN 202110119207A CN 112821285 B CN112821285 B CN 112821285B
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract description 12
- 238000001125 extrusion Methods 0.000 claims description 23
- 238000009413 insulation Methods 0.000 claims description 12
- 239000012212 insulator Substances 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 29
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 29
- 241001330002 Bambuseae Species 0.000 abstract description 29
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 29
- 239000011425 bamboo Substances 0.000 abstract description 29
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- 238000007789 sealing Methods 0.000 description 6
- 241001391944 Commicarpus scandens Species 0.000 description 3
- 206010014357 Electric shock Diseases 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
Abstract
The invention relates to the technical field of construction devices of air transmission lines, in particular to an insulating spanning support rod for erecting a transmission line and a using method thereof. The supporting rod comprises an insulating rod, a steel cable, safety hooks and a combined clamping body, wherein the insulating rod is a hollow rod, the steel cable penetrates through an inner cavity of the insulating rod, the safety hooks are mounted at two ends of the steel cable, the combined clamping body is arranged on the outer wall of the insulating rod at intervals, and the safety hooks are connected to the combined clamping body; the combined clamp body comprises a mounting cylinder, a base plate arranged at the lower end of the mounting cylinder, a hinge base arranged at the lower end of the base plate, an encircling clamp plate hinged to one end of the hinge base, a penetrating pin used for fixing the encircling clamp plate at the upper end of the base plate, a rope pressing mechanism hinged to the other end of the hinge base, a reinforcing bolt used for fixing the rope pressing mechanism at the upper end of the base plate and a hanging ring hinged to the hinge base. The invention solves the problem that the traditional bamboo pole is unsafe and unreliable as the spanning rod, and the installation and the use of the insulating spanning support rod for erecting the power transmission line are convenient.
Description
Technical Field
The invention relates to the technical field of construction devices of air transmission lines, in particular to an insulating spanning support rod for erecting a transmission line and a using method thereof.
Background
In recent years, with the rapid development of economic society, the demand for regional power utilization is gradually increased, and in order to ensure the safe and reliable power utilization of regional power grids, power transmission and transformation projects of 35kV or more are continuously built to meet the demand for urban power utilization. In the construction process of power transmission and transformation engineering, a power transmission line needs to cross over an expressway, a railway and a power line, a crossing frame needs to be erected and is sealed before crossing over construction, and stringing construction can be carried out only after the crossing frame is erected and is firmly sealed.
At present, a construction unit generally adopts bamboo poles as a crossing support rod of a net top line after setting up a crossing frame, because the lengths of the bamboo poles are different, a plurality of bamboo poles need to be lapped to meet the requirement of one crossing support rod in the use process, the bamboo poles are easy to rust after being used for a long time, the safety and the reliability of the bamboo poles cannot meet the crossing construction in the construction process of a stringing, and particularly, when crossing construction is important in crossing live lines, expressways, high-speed rails and the like, the safety and the reliability of the crossing frame are more important in construction. In addition, when the bamboo poles are used as the net top line crossing supporting rods, the bamboo poles need to be tied to the supporting ropes which are installed on the crossing support frame in advance one by one, the installation speed is low, and the use is inconvenient.
Therefore, how to provide an insulating spanning support rod for power transmission line erection solves the problem that the traditional bamboo pole is unsafe and unreliable as the spanning rod, and the technical problem that the insulating spanning support rod for power transmission line erection is convenient to install and use is urgently needed to be solved by technical personnel in the field.
Disclosure of Invention
The invention aims to provide an insulating spanning support rod for power transmission line erection and a using method thereof, overcomes the defects of the prior art, solves the problem that the traditional bamboo pole is unsafe and unreliable as the spanning rod, and is convenient to install and use.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an insulation crossing support rod for erecting a power transmission line comprises an insulation rod, a steel cable, safety hooks and a combined clamp body, wherein the insulation rod is a hollow rod, the steel cable penetrates through an inner cavity of the insulation rod, two ends of the steel cable are positioned outside the insulation rod, the safety hooks are arranged at two ends of the steel cable, the combined clamp body is arranged on the outer wall of the insulation rod at intervals, and the safety hooks are connected to the combined clamp body adjacent to the insulation rod; the combined clamp body comprises a mounting cylinder, a base plate arranged at the lower end of the mounting cylinder, a hinge base arranged at the lower end of the base plate, an encircling clamp plate hinged to one end of the hinge base, a through pin for fixing the encircling clamp plate at the upper end of the base plate, a rope pressing mechanism hinged to the other end of the hinge base, a reinforcing bolt for fixing the rope pressing mechanism at the upper end of the base plate and a hanging ring hinged to the hinge base;
the insulating rod is made of epoxy resin materials, has insulating property, can greatly reduce the risk of electric shock and the induced electricity of the lead after construction after net sealing by the insulating rod, and provides guarantee for the safety of construction operators; the insulating rod has high strength and is not easy to break, and even if the insulating rod breaks, the insulating rod cannot fall off under the limitation of the steel cable, so that the insulating spanning support rod for erecting the power transmission line has high reliability; the combined clamp body is mainly used for being connected with a bearing rope and a traction rope, and changes the installation mode of the insulating spanning support rod for power transmission line erection in the process of net sealing after the spanning frame is erected.
Further, an installation section of thick bamboo includes first half a section of thick bamboo and second half a section of thick bamboo, and first half a section of thick bamboo is articulated with one side of second half a section of thick bamboo, and the fast-assembling subassembly is installed to the opposite side, can be fast with first half a section of thick bamboo and second half a section of thick bamboo lock at the outer wall of bracing piece and accomplish fixedly through the fast-assembling subassembly.
Furthermore, the fast-assembling subassembly includes first otic placode, second otic placode, swing bolt, round pin axle and nut, the side of half a section of thick bamboo down is provided with at least a set of first otic placode, articulates through the round pin axle between the first otic placode to have a loose joint bolt, the side of half a section of thick bamboo up is provided with a set of second otic placode with the position that first otic placode corresponds, and the up end of second otic placode is provided with the spacing arch of nut, and the nut is twisted soon on the loose joint bolt, and the loose joint bolt rotates to wherein upper portion holding between the second otic placode along the hinged end, and the nut of screwing can lock half a section of thick bamboo up and half a section of thick bamboo down, and the bolt nut is spacing at the protruding inboard of nut spacing at this moment. .
Further, the base plate comprises a first plate body and a second plate body, the first plate body is connected with the lower end of the outer wall of the lower half cylinder, one end of the first plate body is provided with a pin mounting hole, and the other end of the first plate body is provided with a reinforcing bolt mounting hole; the upper end of the second plate body is connected to the first plate body, the lower end of the second plate body is connected to the hinge seat, the second plate body is arc-shaped, the encircling clamp plate is installed on one side, inwards recessed, of the second plate body, the upper end of the encircling clamp plate is also provided with a pin penetrating installation hole, when the encircling clamp plate rotates to the pin penetrating installation hole on the encircling clamp plate along the hinge end and is overlapped with the pin penetrating installation hole on the first plate body, the encircling clamp plate is fixedly connected with the first plate body through a pin penetrating, and an accommodating space formed between the encircling clamp plate and the second plate body can move along the bearing rope; one side of the second plate body which protrudes outwards is provided with a semicircular notch, and the front end face and the rear end face of the semicircular notch are both provided with an outward arc-shaped protruding plate.
Further, the rope pressing mechanism comprises a connecting plate, an extrusion plate and a handle, the lower end of the connecting plate is hinged with the hinge seat, the extrusion plate is arranged in the middle of the connecting plate, the handle is rotatably connected to the upper end of the connecting plate, the extrusion plate can extend into or out of the space between the arc convex plates on the front end face and the rear end face of the semicircular notch of the second plate body when the connecting plate rotates along the hinge end, and a reinforcing bolt mounting hole is also formed in the handle; arrange the rope in on the stripper plate along hinged end swivelling joint board to the stripper plate stretch into between the arc flange of terminal surface around the semi-circular breach of second plate body, at this moment through reinforced bolt with handle and first plate body fixed connection, can clip the rope.
Furthermore, an arc-shaped inner groove is formed in one end, close to the semicircular notch, of the extrusion plate, and the rope is clamped in the arc-shaped inner groove and the semicircular notch.
Further, the upper end of connecting plate is provided with first spacing tooth, is provided with the spacing tooth of second on the first plate body, and first spacing tooth and the spacing tooth of second can cooperate the locking, have the inclined plane of mutually supporting on first spacing tooth and the spacing tooth of second, promote the handle, first spacing tooth and the dislocation hook joint of the spacing tooth of second under the thrust of handle, form locking effect, when needing to open first spacing tooth and the spacing tooth of second, push down the handle, the upper end of handle is contradicted on the first half section of thick bamboo, make first spacing tooth and the dislocation of the spacing tooth of second separate.
Further, the insulator spindle is formed by the equipment of multistage body of rod concatenation, and the one end of each body of rod is provided with the subassembly nut, and the other end is provided with the subassembly bolt, and the subassembly bolt and the subassembly nut of two adjacent bodies of rod revolve wrong the connection, and the correspondence is provided with the constant head tank on subassembly bolt and the subassembly nut, and it has the locating pin to peg graft in the constant head tank, plays the spacing fixed effect of subassembly nut and subassembly bolt.
A use method of an insulation spanning support rod for power transmission line erection comprises the following steps:
(1) erecting a frame of a spanning support, and binding a plurality of bearing ropes in advance at the top of the frame of the spanning support along the length direction of the frame of the spanning support;
(2) assembling a plurality of support rods, wherein the inner cavity of each support rod penetrates through a steel cable, the outer wall of each support rod is provided with a combined clamp body according to the number and the spacing of the bearing ropes, and safety hooks at two ends of the steel cable are hooked on hanging rings of the combined clamp body;
(3) connecting a plurality of power transmission line erection insulating crossing support rods with a traction rope, detaching a reinforcing bolt during connection, pulling a connecting plate through a handle to separate a first limiting tooth from a second limiting tooth, moving the connecting plate to take an extrusion plate out of the arc convex plates on the front end surface and the rear end surface of a semicircular notch of a second plate body, clamping a rope body of the traction rope in an arc inner groove of the extrusion plate, pushing the extrusion plate into the semicircular notch of the second plate body again, matching and locking the first limiting tooth and the second limiting tooth through pushing of the handle, installing the reinforcing bolt, and extruding and fixing the traction rope between the semicircular notch and the extrusion plate;
(4) installing a plurality of insulating crossing support rods for erecting the power transmission lines on the bearing rope, detaching the penetrating pins during installation, opening the encircling clamping plate, inserting the bearing rope into a cavity between the encircling clamping plate and a second plate body of the base plate, resetting the encircling clamping plate and fixing the encircling clamping plate on the first plate body of the base plate through the penetrating pins;
(5) one end of a traction rope is tied on the crossing support frame, the other end of the traction rope is pulled, the power transmission line is erected and slides on the bearing rope through the insulating crossing support rod, the power transmission line is erected and evenly distributed on the bearing rope through the insulating crossing support rod until a plurality of power transmission lines are erected and evenly distributed on the bearing rope at intervals, the other end of the traction rope is also tied on the crossing support frame, the power transmission line is erected and erected through the insulating crossing support frame, the wires are supported through the bearing rope and the insulating rod, and the insulation protection effect is achieved
Further, in the step (3), the intervals between the insulation spanning support rods for erecting the power transmission line on the traction rope are the same.
The invention has the beneficial effects that: compared with the prior art, the insulating spanning support rod for erecting the power transmission line and the use method thereof have the following advantages: (1) the insulating rod has the insulating property, and construction is carried out after net sealing is carried out by the insulating rod, so that the electric shock risk can be greatly reduced, the induced electricity of a lead is reduced, and the safety of construction operators is guaranteed; the insulating rod has high strength and is not easy to break, and even if the insulating rod breaks, the insulating rod cannot fall off under the limitation of the steel cable, so that the insulating spanning support rod for erecting the power transmission line has high reliability; (2) the combined clamp body is mainly used for being connected with a bearing rope and a traction rope, and changes the installation mode of the insulating spanning support rod for power transmission line erection in the process of net sealing after the spanning frame is erected, so that the insulating spanning support rod for power transmission line erection is more convenient to install; (3 the insulating spanning support rod for erecting the power transmission line is light, the installation is light and flexible, and the bearing of the spanning frame is greatly reduced during spanning construction.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a front view of the assembled card body of the present invention;
FIG. 3 is a schematic view of a back structure of the combined card body of the present invention;
FIG. 4 is a schematic structural view of the package assembly of the present invention;
the device comprises an insulating rod 1, a component nut 101, a component bolt 102, a steel cable 2, a safety hook 3, a combined clamp 4, a 401 installation cylinder, a 4011 upper half cylinder, a 4012 lower half cylinder, a 4013 first lug plate, a 4014 second lug plate, a 4015 swing bolt, a 4016 pin shaft, a 4017 nut, a 4018 nut limiting protrusion, a 402 base plate, a 4021 first plate body, a 4022 second plate body, a 4023 semicircular notch, a 4024 arc-shaped convex plate, a 4025 second limiting tooth, a 403 hinge base, a 404 encircling clamp plate, a 405 through pin, a 406 rope pressing mechanism, a 4061 connecting plate, a 4062 extrusion plate, a 4063 handle, a 4064 first limiting tooth, a 407 reinforcing bolt, a 408 hanging ring, a 5 bearing rope and a 6 traction rope.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In the embodiment shown in fig. 1-4, an insulating crossing support rod for erecting a power transmission line comprises an insulating rod 1, a steel cable 2, safety hooks 3 and a combined clamp body 4, wherein the insulating rod 1 is a hollow rod, the steel cable 2 penetrates through the inner cavity of the insulating rod 1, two ends of the steel cable 2 are positioned outside the insulating rod 1, the safety hooks 3 are respectively arranged at two ends of the steel cable 2, the combined clamp body 4 is arranged on the outer wall of the insulating rod 1 at intervals, and the safety hooks 3 are connected to the combined clamp body 4 adjacent to the insulating rod 1; the combined card body 4 comprises a mounting cylinder 401, a substrate 402 arranged at the lower end of the mounting cylinder 401, a hinge base 403 arranged at the lower end of the substrate 402, an encircling card plate 404 hinged at one end of the hinge base 403, a through pin 405 used for fixing the encircling card plate 404 at the upper end of the substrate 402, a rope hold-down mechanism 406 hinged at the other end of the hinge base 403, a reinforcing bolt 407 used for fixing the rope hold-down mechanism 406 at the upper end of the substrate 402, and a hanging ring 408 hinged on the hinge base 403;
the insulating rod 1 is made of epoxy resin materials, has insulating property, can greatly reduce electric shock risks and lead induced electricity after construction after net sealing by the insulating rod 1, and provides guarantee for the safety of construction operators; the insulating rod 1 is high in strength and not easy to break, and even if the insulating rod is broken, the insulating rod cannot fall down under the limit of the steel cable 2, so that the insulating spanning support rod for erecting the power transmission line has high reliability; the combined clamp body 4 is mainly used for being connected with a bearing rope 5 and a traction rope 6, and changes the installation mode of the insulating spanning support rod for power transmission line erection in the process of net sealing after the spanning frame is erected.
In this embodiment, installation section of thick bamboo 401 includes a first half 4011 and a second half 4012, and a first half 4011 and a second half 4012's one side is articulated, and the fast-assembling subassembly is installed to the opposite side, can be fast with a first half 4011 and a second half 4012 lock at the outer wall of bracing piece 1 and accomplish fixedly through the fast-assembling subassembly.
In this embodiment, the fast-assembling subassembly includes first otic placode 4013, second otic placode 4014, swing bolt 4015, round pin axle 4016 and nut 4017, the side of half a section of thick bamboo 4012 is provided with at least a set of first otic placode 4013 down, it has loose joint bolt 4015 to articulate through round pin axle 4016 between the first otic placode 4013, the side of half a section of thick bamboo 4011 is provided with a set of second otic placode 4014 with the position that first otic placode 4013 corresponds on the side, the up end of second otic placode 4014 is provided with nut spacing arch 4018, nut 4017 screws on loose joint bolt 4015, loose joint bolt 4015 rotates to wherein upper portion holding along the hinged end and between second otic placode 4014, nut 4017 can be with half a section of thick bamboo 4012 on the upper portion of a section of thick bamboo 4011 and the half a section of thick bamboo 4012 locks, nut 4017 is spacing inboard in nut spacing arch 4018 at this moment.
In this embodiment, the substrate 402 includes a first plate 4021 and a second plate 4022, the first plate 4021 is connected to the lower end of the outer wall of the lower half cylinder 4012, one end of the first plate 4021 is provided with a pin mounting hole, and the other end is provided with a reinforcing bolt mounting hole; the upper end of the second plate 4022 is connected to the first plate 4021, the lower end of the second plate 4022 is connected to the hinge base 403, the second plate 4022 is arc-shaped, the encircling clamp plate 404 is installed on the concave side of the second plate 4022, the upper end of the encircling clamp plate 404 is also provided with a pin mounting hole, when the encircling clamp plate 404 rotates along the hinge end until the pin mounting hole on the encircling clamp plate is overlapped with the pin mounting hole on the first plate 4021, the encircling clamp plate 404 is fixedly connected with the first plate 4021 through a pin 405, and an accommodating space formed between the encircling clamp plate 404 and the second plate 4022 can move along the bearing rope 5; a semicircular notch 4023 is formed in the convex side of the second plate 4022, and an outward arc-shaped convex plate 4024 is machined on the front end surface and the rear end surface of the semicircular notch 4023.
In this embodiment, the rope pressing mechanism 406 includes a connecting plate 4061, a pressing plate 4062 and a handle 4063, the lower end of the connecting plate 4061 is hinged to the hinge base 403, the pressing plate 4062 is disposed in the middle of the connecting plate 4061, the handle 4063 is rotatably connected to the upper end of the connecting plate 4061, when the connecting plate 4061 rotates along the hinge end, the pressing plate 4062 can extend into or extend out of the space between the arc-shaped convex plates 4024 on the front and rear end faces of the semicircular notch 4023 of the second plate 4022, and the handle 4063 is also provided with a reinforcing bolt mounting hole; the rope is placed on the extrusion plate 4062 and extends into the space between the arc convex plates 4024 on the front end face and the rear end face of the semicircular notch 4023 of the second plate body 4022 along the hinged end rotating connecting plate 4061 to the extrusion plate 4062, and at the moment, the handle 4063 and the first plate body 4021 are fixedly connected through the reinforcing bolt 407, so that the rope can be clamped.
In this embodiment, an arc-shaped inner groove is formed at one end of the pressing plate 4062 close to the semicircular notch 4023 of the second plate 4022, and the rope is clamped in the arc-shaped inner groove and the semicircular notch 4023.
In this embodiment, the upper end of connecting plate 4061 is provided with first spacing tooth 4064, be provided with the spacing tooth 4025 of second on the first plate body 4021, first spacing tooth 4064 and the spacing tooth 4025 of second can cooperate the locking, there is the inclined plane of mutually supporting on first spacing tooth 4064 and the spacing tooth 4025 of second, push handle 4063, first spacing tooth 4064 and the spacing tooth 4025 dislocation collude under the thrust of handle 4063, form locking effect, when needing to open first spacing tooth 4064 and the spacing tooth 4025 of second, push handle 4063, the upper end of handle 4063 is contradicted on half section of thick bamboo 4012 down, make first spacing tooth 4064 and the spacing tooth 4025 dislocation of second separate.
In this embodiment, the insulating rod 1 is formed by splicing and assembling a plurality of sections of rod bodies, one end of each rod body is provided with a component nut 101, the other end of each rod body is provided with a component bolt 102, the component bolts 102 and the component nuts 101 of two adjacent rod bodies are screwed and connected, positioning grooves are correspondingly formed in the component bolts 102 and the component nuts 101, positioning pins are inserted in the positioning grooves, and the effect of limiting and fixing the component nuts 101 and the component bolts 102 is achieved.
The use method of the insulating spanning support rod for erecting the power transmission line in the embodiment comprises the following steps:
(1) erecting a frame of a spanning support, and binding a plurality of bearing ropes 5 at the top of the frame of the spanning support in advance along the length direction of the frame of the spanning support;
(2) assembling a plurality of support rods 1, wherein the inner cavity of each support rod 1 penetrates through a steel cable 2, the outer wall of each support rod 1 is provided with combined clamp bodies 4 according to the number and the spacing of bearing ropes 5, and safety hooks 3 at two ends of each steel cable 2 are hooked on hanging rings 408 of the combined clamp bodies 4;
(3) connecting a plurality of power transmission line erection insulating crossing support rods with a traction rope 6, detaching a reinforcing bolt 407 during connection, pulling a connecting plate through a handle 4063 to separate a first limiting tooth 4064 from a second limiting tooth 4025, moving the connecting plate 4061 to bring an extrusion plate 4062 out of the arc convex plates 4024 on the front and rear end faces of a semicircular notch 4023 of a second plate body 4022, clamping a rope body of the traction rope 6 in an arc inner groove of the extrusion plate 4062, pushing the extrusion plate 4062 into the semicircular notch 4023 of the second plate body 4022 again, pushing the handle 4063 to enable the first limiting tooth 4064 and the second limiting tooth 4025 to be matched and locked, installing the reinforcing bolt 407, and extruding and fixing the traction rope 6 between the semicircular notch 4023 and the extrusion plate 4062;
(4) installing a plurality of insulating spanning support rods for erecting the power transmission lines on the bearing rope 5, detaching the penetrating pins 405 during installation, opening the encircling clamping plate 404, plugging the bearing rope 5 into a cavity between the encircling clamping plate 404 and the second plate 4022 of the substrate 402, resetting the encircling clamping plate 404 and fixing the encircling clamping plate 404 on the first plate 401 of the substrate 402 through the penetrating pins 405;
(5) one end of a traction rope 6 is tied on the crossing support frame, the other end of the traction rope 6 is pulled, the power transmission line is erected and slides on the bearing rope 5 through an insulating crossing support rod, the power transmission line is erected and evenly distributed on the bearing rope 5 through the insulating crossing support rods at intervals, the other end of the traction rope 6 is also tied on the crossing support frame, the power transmission line can be erected and erected through the insulating crossing support frame, the wires are supported through the bearing rope 5 and the insulating rod, and the insulation protection effect is achieved
In this embodiment, in the step (3), the intervals between the insulating spanning support rods for erecting the power transmission line on the pulling rope 6 are the same.
The above embodiments are only specific examples of the present invention, and the protection scope of the present invention includes but is not limited to the product forms and styles of the above embodiments, and any suitable changes or modifications made by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a transmission line erects with insulating bracing piece of strideing across which characterized in that: the cable wire clamping device comprises an insulating rod, a cable wire, safety hooks and a combined clamp body, wherein the insulating rod is a hollow rod, the cable wire penetrates through an inner cavity of the insulating rod, two ends of the cable wire are positioned outside the insulating rod, the safety hooks are arranged at two ends of the cable wire, the combined clamp body is arranged on the outer wall of the insulating rod at intervals, and the safety hooks are connected to the combined clamp body adjacent to the insulating rod; the combined clamp body comprises a mounting cylinder, a base plate arranged at the lower end of the mounting cylinder, a hinge base arranged at the lower end of the base plate, an encircling clamp plate hinged to one end of the hinge base, a through pin for fixing the encircling clamp plate at the upper end of the base plate, a rope pressing mechanism hinged to the other end of the hinge base, a reinforcing bolt for fixing the rope pressing mechanism at the upper end of the base plate and a hanging ring hinged to the hinge base; the base plate comprises a first plate body and a second plate body, the first plate body is connected with the lower end of the outer wall of the lower half cylinder, one end of the first plate body is provided with a pin mounting hole, and the other end of the first plate body is provided with a reinforcing bolt mounting hole; the upper end of the second plate body is connected to the first plate body, the lower end of the second plate body is connected to the hinge seat, the second plate body is arc-shaped, the encircling clamping plate is installed on one side, inwards recessed, of the second plate body, a pin penetrating installation hole is also formed in the upper end of the encircling clamping plate, a semicircular notch is formed in one side, outwards protruding, of the second plate body, and an outward arc-shaped protruding plate is machined on the front end face and the rear end face of the semicircular notch; the rope pressing mechanism comprises a connecting plate, an extrusion plate and a handle, the lower end of the connecting plate is hinged with the hinge seat, the extrusion plate is arranged in the middle of the connecting plate, the handle is rotatably connected to the upper end of the connecting plate, the extrusion plate can extend into or out of the space between the arc convex plates on the front end face and the rear end face of the semicircular notch of the second plate body when the connecting plate rotates along the hinge end, and a reinforcing bolt mounting hole is also formed in the handle; and an arc-shaped inner groove is formed in one end, close to the semicircular notch, of the extrusion plate.
2. The insulating spanning support rod for power transmission line erection according to claim 1, wherein: the installation barrel comprises an upper half barrel and a lower half barrel, one side of the upper half barrel is hinged with one side of the lower half barrel, and the other side of the upper half barrel is provided with a quick assembly.
3. The insulating spanning support rod for power transmission line erection according to claim 2, wherein: the quick assembly component comprises a first lug plate, a second lug plate, an eyelet bolt, a pin shaft and a nut, wherein at least one group of first lug plates are arranged on the side surface of the lower half cylinder, a loose joint bolt is hinged between the first lug plates through the pin shaft, a group of second lug plates are arranged at the position, corresponding to the first lug plates, on the side surface of the upper half cylinder, a nut limiting bulge is arranged on the upper end surface of each second lug plate, the nut is screwed on the loose joint bolt, the loose joint bolt rotates to the position, wherein the upper part of the loose joint bolt is contained between the second lug plates, and the nut is limited on the inner side of the nut limiting bulge when the upper half cylinder and the lower half cylinder are locked by screwing the nut.
4. The insulating spanning support rod for power transmission line erection according to claim 1, wherein: the upper end of the connecting plate is provided with a first limiting tooth, the first plate body is provided with a second limiting tooth, and the first limiting tooth and the second limiting tooth can be matched and locked.
5. The insulating spanning support rod for power transmission line erection according to claim 1, wherein: the utility model discloses a quick-witted structure, including insulator spindle, assembly bolt, subassembly bolt and subassembly nut, the insulator spindle is formed by the concatenation equipment of the multistage body of rod, and the one end of each body of rod is provided with the subassembly nut, and the other end is provided with the subassembly bolt, and the subassembly bolt and the subassembly nut of two adjacent bodies of rod revolve wrong the connection, correspond on subassembly bolt and the subassembly nut and be provided with the constant head tank, and the interpolation of constant head tank has connect the locating pin.
6. The use method of the insulation spanning support rod for power transmission line erection according to claim 4, characterized in that: the method comprises the following steps:
(1) erecting a frame of a spanning support, and binding a plurality of bearing ropes in advance at the top of the frame of the spanning support along the length direction of the frame of the spanning support;
(2) assembling a plurality of support rods, wherein the inner cavity of each support rod penetrates through a steel cable, the outer wall of each support rod is provided with a combined clamp body according to the number and the spacing of the bearing ropes, and safety hooks at two ends of the steel cable are hooked on hanging rings of the combined clamp body;
(3) connecting a plurality of power transmission line erection insulating crossing support rods with a traction rope, detaching a reinforcing bolt during connection, pulling a connecting plate through a handle to separate a first limiting tooth from a second limiting tooth, moving the connecting plate to take an extrusion plate out of the arc convex plates on the front end surface and the rear end surface of a semicircular notch of a second plate body, clamping a rope body of the traction rope in an arc inner groove of the extrusion plate, pushing the extrusion plate into the semicircular notch of the second plate body again, matching and locking the first limiting tooth and the second limiting tooth through pushing of the handle, installing the reinforcing bolt, and extruding and fixing the traction rope between the semicircular notch and the extrusion plate;
(4) installing a plurality of insulating crossing support rods for erecting the power transmission lines on the bearing rope, dismounting the penetrating pins during installation, opening the encircling clamping plate, inserting the bearing rope into a cavity between the encircling clamping plate and the second plate body of the base plate, resetting the encircling clamping plate and fixing the encircling clamping plate on the first plate body of the base plate through the penetrating pins;
(5) one end of the hauling rope is tied to the spanning support frame, the other end of the hauling rope is pulled, the power transmission line erection insulating spanning support rod slides on the bearing rope until a plurality of power transmission line erection insulating spanning support rods are evenly distributed on the bearing rope at intervals, the other end of the hauling rope is also tied to the spanning support frame, and the erection of the power transmission line erection insulating spanning support can be completed.
7. The use method of the insulating spanning support rod for power transmission line erection according to claim 6, characterized in that: in the step (3), the distances between the insulating spanning support rods for erecting the power transmission line on the traction rope are the same.
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