CN114109235B - Auxiliary supporting device for electric power overhaul of overhead line - Google Patents

Auxiliary supporting device for electric power overhaul of overhead line Download PDF

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Publication number
CN114109235B
CN114109235B CN202111263001.1A CN202111263001A CN114109235B CN 114109235 B CN114109235 B CN 114109235B CN 202111263001 A CN202111263001 A CN 202111263001A CN 114109235 B CN114109235 B CN 114109235B
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China
Prior art keywords
locking
locking discs
discs
fixing
limiting
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CN202111263001.1A
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Chinese (zh)
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CN114109235A (en
Inventor
吴仁光
史斌
李凯鹏
徐振平
胡友定
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Zhejiang Electric Power Co Ltd Xiangshan County Power Supply Co
Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Zhejiang Electric Power Co Ltd Xiangshan County Power Supply Co
Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Application filed by State Grid Zhejiang Electric Power Co Ltd Xiangshan County Power Supply Co, Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Zhejiang Electric Power Co Ltd Xiangshan County Power Supply Co
Priority to CN202111263001.1A priority Critical patent/CN114109235B/en
Publication of CN114109235A publication Critical patent/CN114109235A/en
Application granted granted Critical
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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/34Ladders attached to structures, such as windows, cornices, poles, or the like
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02Structures made of specified materials
    • E04H12/08Structures made of specified materials of metal
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/08Special construction of longitudinal members, or rungs or other treads
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/48Ladder heads; Supports for heads of ladders for resting against objects
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/50Joints or other connecting parts
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)

Abstract

The invention discloses an auxiliary supporting device for electric power overhaul of an overhead line, which comprises a plurality of locking discs, wherein the locking discs are provided with limiting channels for accommodating steel pipe rods, the upper parts of the locking discs and the lower parts of the locking discs are respectively provided with a fixing sheet, and two adjacent groups of fixing sheets which are positioned in the same horizontal plane and have coincident central lines are detachably connected; the locking discs are provided with positioning holes for penetrating the fixing rods, and the locking discs are arranged on the fixing rods and are detachably connected with the locking discs. The locking discs are fixedly connected to form a whole through the corresponding fixing sheets on the locking discs, the locking discs are fixedly arranged on the steel pipe rod, the locking discs are connected to form a whole through the fixing rods, the overall installation stability is greatly enhanced, and the fixing rods and the supporting devices integrally formed by the locking discs are convenient for maintenance personnel to operate.

Description

Auxiliary supporting device for electric power overhaul of overhead line
Technical Field
The invention relates to the technical field of power transmission line overhaul, in particular to an auxiliary supporting device for overhead line power overhaul.
Background
The overhead line is an overhead line for transmitting electric energy by fixing a transmission wire on a pole tower through an insulator, and the pole tower in the overhead line at present mainly comprises a cement pole, a steel pipe pole and an iron tower, wherein the cement pole and the steel pipe pole are respectively cast by reinforced concrete and steel pipes, and the whole manufacturing is simple; the iron tower is a truss structure assembled by using section steel, so that the construction cost is high, and the iron tower is commonly used in long-distance high-voltage transmission lines; when daily overhead line overhauls the operation, for the overhead line section that adopts the iron tower, electric power maintainer operation degree of difficulty is obviously less than the overhead line section that adopts cement pole and steel pipe pole, and it is mainly because climbing degree of difficulty is big when steel pipe pole and cement pole electric power overhauls, electric power maintainer operation is inflexible during the operation, and electric power overhauls long-time, and intensity is big, and the electric power maintenance car of being equipped at present has high altitude construction platform, but to remote area, the electric power maintenance car can't get into, still needs artifical climbing operation.
Disclosure of Invention
Aiming at the technical problems that the climbing difficulty is high during electric overhaul of the existing steel pipe pole and cement pole tower and the electric overhaul personnel are not flexible to operate during operation, the invention provides an auxiliary supporting device for electric overhaul of an overhead line.
In order to solve the problems, the technical scheme of the invention is realized as follows:
the auxiliary supporting device for electric power overhaul of the overhead line comprises a plurality of locking discs, wherein limiting channels for accommodating the steel pipe rods are formed in the locking discs, fixing sheets are arranged on the upper parts of the locking discs and the lower parts of the locking discs, and two adjacent groups of fixing sheets which are positioned in the same horizontal plane and have coincident central lines are detachably connected; the locking discs are provided with positioning holes for penetrating the fixing rods, and the locking discs are arranged on the fixing rods and are detachably connected with the locking discs.
Through connecting the stationary blade that corresponds on the locking dish and fixing into a whole and make the locking dish fix on the steel pipe pole, utilize the dead lever to connect into a whole with each locking dish to strengthen whole installation stability greatly to the strutting arrangement that dead lever and locking dish are whole to constitute provides the climbing passageway for maintainer, helps the maintainer to reach the maintenance position fast, and the great region of standing on the locking dish, the maintainer operation of being convenient for.
Preferably, a plurality of locking discs are sleeved on the steel pipe rod in parallel.
Preferably, the locking disc comprises two groups of symmetrically arranged locking seats, limiting plates are movably arranged in the locking seats, and limiting channels are formed between two adjacent groups of limiting plates; the locating holes are formed in two sides of the locking seat, and the fixing sheets are respectively arranged on the upper portion of the locking seat and the lower portion of the locking seat.
Preferably, two adjacent groups of locking seats are positioned in the same horizontal plane, and the two groups of locking seats integrally form an annular bearing surface.
Preferably, the annular bearing surfaces and the fixing rods integrally form a supporting platform with a cross section parallel to the axial direction of the steel pipe shaft in a groined shape.
Preferably, two adjacent groups of locking seats are arranged at intervals along the axial direction parallel to the steel pipe shaft, and two adjacent groups of fixing sheets in the same horizontal plane are detachably connected through bolts.
Preferably, a stepped bearing surface is formed between two adjacent groups of locking seats.
Preferably, the plurality of step-shaped bearing surfaces and the fixing rods integrally form a spiral supporting platform.
Preferably, a plurality of limit springs are arranged in the locking seat, and the limit springs are connected with the limit plate; a guide shaft is arranged between two adjacent groups of limit springs, one end of the guide shaft is fixedly connected with the limit plate, and the other end of the guide shaft movably penetrates through a limit cavity formed in the locking seat.
Preferably, the limiting plate is an elastic metal sheet; the guide shaft is sleeved with a limiting disc, the limiting disc is located in the limiting cavity, and the limiting disc is connected with the inner wall of the limiting cavity through a connecting spring.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the fixing plate fixing device, the corresponding fixing plates on the locking plates are connected and fixed into a whole, so that the locking plates are fixed on the steel pipe rod, the fixing rods are utilized to connect the locking plates into a whole, the overall installation stability is greatly enhanced, the fixing rods and the supporting devices integrally formed by the locking plates provide climbing channels for maintenance staff, the maintenance staff can quickly reach maintenance positions, and the locking plates are provided with larger standing areas, so that the maintenance staff can work conveniently;
2. according to the climbing device, the fixing pieces are respectively installed on the upper portion and the lower portion of the locking seat, the fixing rods are used for fixedly connecting the locking seats into a whole, the stability of the locking seats in the vertical direction is guaranteed, the butt joint positions of the whole formed by connecting the fixing rods and the locking seats and the whole formed by connecting another group of fixing rods and the locking seats can be adjusted integrally, climbing channels in different arrangement modes can be realized, meanwhile, the locking seats are fixedly connected, the connection stability of the locking seats in the horizontal direction is guaranteed, and then the climbing channels in stable and changeable modes are formed by the fixing rods and the locking seats, so that the overall arrangement flexibility is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a locking disc in the first embodiment.
Fig. 2 is a front view of the lock disk in the first embodiment.
Fig. 3 is a schematic view of a mounting structure of a locking disc and a fixing rod in the first embodiment.
Fig. 4 is a schematic view showing an arrangement of a locking disc in the first embodiment.
Fig. 5 is a schematic view showing an arrangement of a locking disc in the second embodiment.
In the figure, 1 is a locking disc, 2 is a steel pipe rod, and 3 is a fixed rod;
11 is a locking seat, 12 is a limiting plate, 13 is a limiting spring, 14 is a positioning hole, 15 is a fixing piece, 151 is a through hole, and 16 is a guide shaft.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
The application provides an auxiliary supporting device for electric power overhaul of an overhead line, which comprises a plurality of locking discs, wherein limiting channels for accommodating steel pipe rods are formed in the locking discs, fixing sheets are arranged on the upper parts of the locking discs and the lower parts of the locking discs, and the corresponding fixing sheets are detachably connected; the locking discs are provided with positioning holes for penetrating the fixing rods, and the locking discs are arranged on the fixing rods and are detachably connected with the locking discs.
Through connecting the stationary blade that corresponds on the locking dish and fixing into a whole and make the locking dish fix on the steel pipe pole, utilize the dead lever to connect into a whole with each locking dish to strengthen whole installation stability greatly to the strutting arrangement that dead lever and locking dish are whole to constitute provides the climbing passageway for maintainer, helps the maintainer to reach the maintenance position fast, and the great region of standing on the locking dish, the maintainer operation of being convenient for.
The following is a specific description of the technical scheme of the present application with reference to fig. 1 to 5:
example 1
As shown in fig. 1-4, the embodiment of the application discloses an auxiliary supporting device for electric overhaul of an overhead line, which comprises a plurality of locking discs 1, wherein the locking discs 1 are provided with limiting channels for accommodating steel pipe rods 2, fixing sheets 15 are arranged on the upper parts of the locking discs 1 and the lower parts of the locking discs 1, and two adjacent groups of fixing sheets which are positioned in the same horizontal plane and have coincident central lines are detachably connected. That is, a plurality of locking discs 1 are sleeved on the steel pipe rod 2, through holes 151 are formed in the fixing plates 15, the fixing plates 15 positioned on the upper portion of the locking discs 1 are respectively screwed and fixed through bolts, and the fixing plates 15 positioned on the lower portion of the locking discs 1 are screwed and fixed on the steel pipe rod through bolts, so that the locking discs are fixedly mounted on the steel pipe rod.
The locking discs 1 are provided with positioning holes 14 for penetrating through the fixing rods 3, and the locking discs 1 are arranged on the fixing rods 3 and the fixing rods 3 are detachably connected with the locking discs 1. That is, the fixing rods are respectively penetrated through the locking discs and then are screwed and fixed by nuts, so that each locking disc is vertically fixed on the fixing rods, and the locking discs are connected into a whole through the fixing rods, so that the stability of integral installation is greatly enhanced. It should be noted that, in this application embodiment, the dead lever is the screw rod, and the dead lever not only can be with a plurality of locking discs connection into an whole reinforcing connection stability, can also guarantee simultaneously that the locking disc can be along the dead lever adjusting mounting position from top to bottom under the prerequisite that not breaking away from the steel pipe pole at the not hard up when adjusting the mounted position of locking disc, has improved whole flexibility greatly. In other words, electric power maintainer fine setting locking dish's mounted position about the accessible locking dish after the maintenance operation, and then the electric power maintainer of being convenient for finely tunes the operation height, need not to be equipped with climbing equipment, safety rope can directly hang on the dead lever in order to guarantee the security when electric power maintainer operates simultaneously.
In some embodiments, a plurality of locking discs 1 are sleeved on the steel pipe rod 2 in parallel. That is, a plurality of locking discs are sleeved on the steel pipe rod in parallel at certain intervals, and the locking discs which are arranged in parallel are convenient for electric power overhaulers to climb and operate. It should be noted that the plurality of locking discs may be arranged in parallel on the steel pipe pole in an equally spaced arrangement, for example at an equally spaced arrangement of 1 m. Of course, the plurality of locking discs may also be arranged at a set pitch that becomes smaller in order from bottom to top in the axial direction of the steel pipe rod, for example, at 1.5m, 1.2m, 1m, 0.8m, etc.
It should be noted that the plurality of locking discs 1 are arranged so as to be sequentially enlarged from bottom to top along the axial direction of the steel pipe rod, and the larger operation area can be provided for the electric power maintainer through the locking disc 1 with the larger size arranged at the top of the steel pipe rod 2, so that the electric power maintainer can conveniently operate. Meanwhile, in order to ensure the safety of electric power overhauling personnel during operation and the structural strength of the locking discs, the thickness of the locking discs can be increased from bottom to top in sequence along the axial direction of the steel tube shaft, for example, 20cm, 25cm, 28cm, 30cm and the like. Of course, the size and thickness of the locking discs can be increased from bottom to top along the axial direction of the steel pipe rod.
Specifically, the locking disc 1 includes two sets of symmetrically arranged locking seats 11, limiting plates 12 are movably arranged in the locking seats 11, and limiting channels are formed between two adjacent sets of limiting plates 12. That is, each group of locking discs comprises two mutually independent locking seats which are symmetrically arranged, the two locking seats are movably arranged on the limiting plates, when the two locking seats are buckled together, an adjustable limiting channel is formed between the two groups of limiting plates, when the two locking seats are buckled on the steel pipe rod, the steel pipe rod with different diameters can enable the two limiting plates to adaptively adjust the extrusion steel pipe rod, and then the installation of the steel pipe rods with different diameters is realized. It should be noted that, the limiting plate is elastic metal sheet, and elastic metal sheet is copper aluminum alloy preparation, has certain elasticity and pliability, and when the steel pipe pole extrusion limiting plate, the limiting plate can appear deformation to a certain extent and push down, and then presents limiting plate parcel steel pipe pole for the limiting plate is closely laminated more with steel pipe pole, improves the stability of locking dish installation.
Specifically, the positioning holes 14 are provided on both sides of the locking seat 11. That is, the positioning holes are formed in each locking seat, the fixing rod can be conveniently connected with the locking seats into a whole by the positioning holes, in other words, the locking seats can be pre-installed on the steel pipe rod, and the locking seats can be hoisted in place integrally after being pre-installed on the ground according to a certain rule, so that the installation efficiency can be improved.
Specifically, the fixing pieces 15 are respectively provided at an upper portion of the locking seat 11 and a lower portion of the locking seat 11. That is, the upper part and the lower part of each locking seat are provided with fixing sheets, and the fixing sheets are positioned on the same vertical straight line, so that the subsequent locking seats are conveniently in butt joint with the adjacent locking seats, and quick installation is realized; the steel pipe pole can be quickly installed in an integral structure formed by two groups of locking seats which can be in butt joint, fixing plates which are arranged on the same vertical straight line and are arranged on the upper parts and the lower parts of the locking seats, and fixing rods which are penetrated in positioning holes on the locking seats, and can be arranged in different modes, so that different operation height requirements are met, the flexibility is high, and fine adjustment can be performed according to the operation height.
In some embodiments, a plurality of limiting springs 13 are disposed in the locking seat 11, and the limiting springs 13 are connected with the limiting plate 12; a guide shaft 16 is arranged between two adjacent groups of limit springs 13, one end of the guide shaft 16 is fixedly connected with the limit plate 12, and the other end of the guide shaft 16 is movably arranged in a limit cavity formed in the locking seat 11 in a penetrating manner; the guide shaft 16 is sleeved with a limiting disc, the limiting disc is located in the limiting cavity, and the limiting disc is connected with the inner wall of the limiting cavity through a connecting spring. That is, the position of limiting plate can be adjusted in a self-adaptive manner during installation by utilizing a plurality of limiting springs arranged on the limiting plate, so that the installation requirements of steel pipe rods with different diameters are met, the guide shaft arranged on the limiting plate is conducive to the stable action of the limiting plate, and the phenomenon that the limiting plate slips during installation and influences the installation efficiency of the locking seat is avoided.
In some embodiments, two adjacent sets of the locking seats 11 are located in the same horizontal plane, and the two sets of the locking seats 11 integrally form an annular bearing surface. That is, two groups of locking seats which are symmetrically arranged in the same horizontal plane are used for clamping the steel pipe rod, and the bearing surfaces on the two groups of locking seats integrally form an annular bearing surface, so that electric power maintenance personnel can stand, and the electric power maintenance personnel can work conveniently.
Specifically, the annular bearing surfaces and the fixing rods 3 integrally form a supporting platform with a cross section parallel to the axial direction of the steel pipe rod in a groined shape. That is, through the climbing passageway that a plurality of annular bearing surfaces that horizontal arrangement and dead lever are whole to be constituteed, electric power maintainer can carry out quick climbing through a plurality of bearing surfaces and arrive the operation place. It should be noted that, electric power maintainer can carry out the installation height of whole fine setting annular bearing surface according to the operation height demand, when needs fine setting annular bearing surface, loosens the bolt that is in the locking seat on same horizontal plane, then adjusts the nut on the dead lever and can realize the whole height adjustment of annular bearing surface fast.
Example two
As shown in fig. 5, in the auxiliary supporting device for electric power overhaul of an overhead line disclosed in the embodiment of the present application, two adjacent groups of locking seats 11 are arranged at intervals along the axial direction parallel to the steel pipe shaft, and two adjacent groups of fixing sheets 15 are detachably connected through bolts in the same horizontal plane. That is, two groups of locking seats in the locking disc are arranged at intervals along the axial direction parallel to the steel pipe, one group of locking seats in the locking disc is located above the other group of locking seats, and it is noted that fixing sheets arranged at the lower parts of one group of locking seats are located in the same horizontal plane with fixing sheets arranged at the upper parts in the lower locking seats, the two groups of locking seats are fixedly connected end to end through bolts, and meanwhile, the fixing of the locking seats in the horizontal direction and the vertical direction is realized by matching with fixing rods, so that the stability of the installation of the locking seats is greatly improved, and the safety of electric power overhaulers during use is ensured.
Specifically, a stepped bearing surface is formed between two adjacent groups of locking seats 11. That is, two sets of locking seats in the locking disc are arranged at intervals up and down, a step shape is formed between the two sets of locking seats, and electric power overhaulers can climb to the operation height fast through the step-shaped bearing surface.
Specifically, the plurality of stepped bearing surfaces and the fixing rod 3 integrally form a spiral supporting platform. That is, the climbing passageway that constitutes through a plurality of locking discs that are echelonment and dead lever can help electric power maintainer to climb to the operation height to because a plurality of echelonment locking discs reduce the interval between the adjacent locking discs at certain degree, reduce electric power maintainer's the climbing degree of difficulty, the operation personnel is after reaching the operation height, through the loading surface in great region, the operation personnel operation of being convenient for.
According to the climbing device, the fixing pieces are respectively installed on the upper portion and the lower portion of the locking seat, the fixing rods are used for fixedly connecting the locking seats into a whole, the stability of the locking seats in the vertical direction is guaranteed, the butt joint positions of the whole formed by connecting the fixing rods and the locking seats and the whole formed by connecting another group of fixing rods and the locking seats can be adjusted integrally, climbing channels in different arrangement modes can be realized, meanwhile, the locking seats are fixedly connected, the connection stability of the locking seats in the horizontal direction is guaranteed, and then the climbing channels in stable and changeable modes are formed by the fixing rods and the locking seats, so that the overall arrangement flexibility is greatly improved.
The other structure is the same as that of the first embodiment.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.

Claims (7)

1. The auxiliary supporting device for electric power overhaul of the overhead line is characterized by comprising a plurality of locking discs, wherein limiting channels for accommodating steel pipe rods are formed in the locking discs, fixing sheets are arranged on the upper parts of the locking discs and the lower parts of the locking discs, and two adjacent groups of fixing sheets which are positioned in the same horizontal plane and have coincident central lines are detachably connected; the locking discs are provided with positioning holes for penetrating through the fixing rods, and the locking discs are arranged on the fixing rods and detachably connected with the fixing rods; a plurality of limit springs are arranged in the locking seat, and the limit springs are connected with the limit plate; a guide shaft is arranged between two adjacent groups of limit springs, one end of the guide shaft is fixedly connected with the limit plate, and the other end of the guide shaft is movably arranged in a limit cavity formed in the locking seat in a penetrating manner; the locking disc comprises two groups of symmetrically arranged locking seats, limiting plates are movably arranged in the locking seats, and limiting channels are formed between two adjacent groups of limiting plates; the positioning holes are arranged on two sides of the locking seat, and the fixing sheets are respectively arranged on the upper part of the locking seat and the lower part of the locking seat; the limiting plate is an elastic metal sheet; the guide shaft is sleeved with a limiting disc, the limiting disc is located in the limiting cavity, and the limiting disc is connected with the inner wall of the limiting cavity through a connecting spring.
2. The overhead line power overhaul auxiliary supporting device according to claim 1, wherein a plurality of locking discs are sleeved on the steel pipe rod in parallel.
3. The overhead line power overhaul auxiliary supporting device according to claim 1, wherein two adjacent sets of the locking seats are positioned in the same horizontal plane and the two sets of the locking seats integrally form an annular bearing surface.
4. The overhead line power overhaul auxiliary supporting device according to claim 3, wherein a plurality of annular bearing surfaces and the fixed rods integrally form a supporting platform which is in a cross section parallel to the axial direction of the steel pipe rod and is in a groined shape.
5. The auxiliary supporting device for electric overhaul of overhead lines according to claim 1, wherein two adjacent groups of locking seats are arranged at intervals along the axial direction parallel to the steel pipe shaft, and two adjacent groups of fixing sheets in the same horizontal plane are detachably connected through bolts.
6. The overhead line power overhaul auxiliary supporting device according to claim 5, wherein a stepped bearing surface is formed between two adjacent sets of the locking seats.
7. The overhead line power overhaul auxiliary supporting device according to claim 5, wherein a plurality of the stepped bearing surfaces and the fixed rods integrally form a spiral supporting platform.
CN202111263001.1A 2021-10-28 2021-10-28 Auxiliary supporting device for electric power overhaul of overhead line Active CN114109235B (en)

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CN202111263001.1A CN114109235B (en) 2021-10-28 2021-10-28 Auxiliary supporting device for electric power overhaul of overhead line

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Application Number Priority Date Filing Date Title
CN202111263001.1A CN114109235B (en) 2021-10-28 2021-10-28 Auxiliary supporting device for electric power overhaul of overhead line

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CN114109235B true CN114109235B (en) 2023-07-04

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