CN218523373U

CN218523373U - High tension transmission line sag monitoring device

Info

Publication number: CN218523373U
Application number: CN202222755170.3U
Authority: CN
Inventors: 赵梦达; 李俊宇; 叶洋; 王凡; 李永福; 金蓉; 姚龙飞; 宿杰; 王继康; 李骁; 马涛; 何文新
Original assignee: Honghe Power Supply Bureau of Yunnan Power Grid Co Ltd
Current assignee: Honghe Power Supply Bureau of Yunnan Power Grid Co Ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-02-24
Anticipated expiration: 2032-10-19

Abstract

The utility model relates to the technical field of sag monitoring, in particular to a sag monitoring device for a high-voltage transmission line, which comprises an installation part, a laser range finder and a wind speed and direction meter; the inserting buckle is provided with a through groove through which the high-voltage wire passes, and the tail end of the limiting rod is inserted into the through groove and limits the inserting buckle in the slot; the laser distance measuring instrument is used for measuring the ground clearance of the high-voltage wire; through the installation department who sets up: the laser range finder and the wind speed and direction indicator are conveniently fixed on the high-voltage wire through the matching of the limiting rod and the through groove; meanwhile, the limit of the limiting rod on the plug buckle can be relieved by separating the limiting rod from the through groove, so that the laser range finder and the wind speed and direction instrument can be conveniently disassembled to facilitate the work of maintenance and the like, and the difficulty of high-altitude operation is reduced; receive the module through laser range finder, anemorumbometer and the signal that sets up: the sag low point of the high-voltage wire is conveniently monitored; the laser range finder can conveniently perform accurate measurement.

Description

Sag monitoring device for high-voltage transmission line

Technical Field

The utility model relates to a sag monitoring technology field specifically is high tension transmission line sag monitoring devices.

Background

The operating environment of the high-voltage transmission line changes at multiple ends, some extremely severe environments can influence the safe operation of the line, even threaten the life safety of surrounding residents, most of the transmission lines are in suburbs with rare people, and the personnel in the power department cannot timely handle faults, so that all-weather online monitoring on the state parameters of the high-voltage transmission line is needed, and early warning before the faults occur and corresponding measures can be timely taken after the faults occur; the sag of the power transmission line is one of important state parameters of the high-voltage power transmission line, the sag is too small, the stress on the power transmission line can exceed the self bearing capacity, the mechanical safety of the power transmission line is further influenced, the radian is too large, the distance between the power transmission line and the ground can be smaller than a specified safety range, and the life safety of residents and the insulativity of the line to the ground are further harmed; in the face of potential safety hazards in the high-voltage transmission lines, sag online monitoring gradually becomes a research hotspot in the field of online monitoring of the high-voltage transmission lines;

the utility model with the publication number of CN214407396U discloses a sag measuring system, which comprises a first sag measuring instrument and a second sag measuring instrument suspended on an overhead wire, and a ground control station erected on the ground, wherein the first sag measuring instrument and the second sag measuring instrument are respectively in communication connection with the ground control station; coordinate information and attitude information of each acquisition point on the overhead wire are acquired in real time through the first sag measuring instrument and the second sag measuring instrument, the influence of attitude change on coordinate acquisition is considered, and the stability of coordinate acquisition is improved to a certain extent. The ground control station converts, analyzes and calculates the returned coordinate information and attitude information to obtain the sag of the overhead wire, so that the sag measurement difficulty is reduced, and the sag measurement precision is improved;

although this sag measurement system has promoted the sag measurement accuracy, but the first sag measuring apparatu and the second sag measuring apparatu that the device set up all hang on overhead wire, and overhead wire's the height of erectting is higher, when first sag measuring apparatu and the second sag measuring apparatu broke down and need overhaul, it is comparatively loaded down with trivial details to the dismantlement of first sag measuring apparatu and second sag measuring apparatu, increased the degree of difficulty of aerial working, in view of this, we provide high tension transmission line sag monitoring devices.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high tension transmission line arc monitoring devices that hangs down to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the sag monitoring device of the high-voltage transmission line comprises an installation part, a laser range finder and a wind speed and direction meter;

the mounting part is used for mounting the laser range finder and the wind speed and direction indicator on the high-voltage wire and at the sag low point of the high-voltage wire; the device comprises a shell with a hollow structure, wherein slots are formed in two sides of the top surface of the shell, and a signal receiving and sending module is mounted on the inner top surface of the shell; limiting rods capable of moving horizontally penetrate through two side walls of the shell; the top surface of the shell is provided with a fixed block, a top plate is arranged above the fixed block, and clamping grooves for clamping high-voltage wires are formed in the top plate on the fixed block; the two sides of the bottom surface of the top plate are provided with inserting buckles inserted into the slots, the inserting buckles are provided with penetrating grooves through which high-voltage electric wires penetrate, and the tail ends of the limiting rods are inserted into the penetrating grooves and limit the inserting buckles in the slots;

the laser range finder is used for measuring the ground clearance of the high-voltage wire and is arranged at the inner bottom of the shell;

and the anemorumbometer is used for measuring the wind speed at the high-voltage wire and is arranged on the top surface of the top plate.

As the preferable technical proposal of the utility model, U-shaped brackets are arranged on both side walls of the shell, and the limiting rod passes through the brackets and is connected with the brackets in a sliding way; a stop ring is arranged on the limiting rod; the limiting rod is further sleeved with a spring, and the spring is used for abutting against the stop ring and limiting the tail end of the limiting rod in the through groove.

As the utility model discloses preferred technical scheme, the shifting block that is used for stirring gag lever post horizontal motion is installed to the end of gag lever post.

As the preferred technical scheme of the utility model, the probe portion of laser range finder passes the bottom surface of casing and outstanding to the external world.

As the utility model discloses preferred technical scheme, offer on the eye-splice and be used for putting into the breach of wearing the inslot with high tension cable.

As the preferred technical scheme of the utility model, the size of slot with the size looks adaptation of eye-splice.

As the utility model discloses preferred technical scheme, laser range finder passes through the bolt and installs in the interior bottom of casing.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the installation department who sets up: the insertion buckle is limited on the shell through the matching of the limiting rod and the through groove, and the top plate is matched with the fixing block to clamp and fix the installation part at the sag low point of the high-voltage wire, so that the installation part is convenient to fix at the sag low point of the high-voltage wire, and the laser range finder and the wind speed and direction meter are convenient to fix on the high-voltage wire; meanwhile, the limit of the limiting rod on the plug buckle can be relieved by separating the limiting rod from the through groove, and the mounting part can be disassembled, so that the laser range finder and the wind speed and direction indicator can be conveniently disassembled to conveniently carry out maintenance and other work, and the difficulty of high-altitude operation is reduced;

2. send out the module through laser range finder, anemorumbometer and the signal that set up: on one hand, the laser range finder is used for detecting the vertical height between the sag low point of the high-voltage wire and the ground, so that the sag low point position of the high-voltage wire can be detected, the sag low point of the high-voltage wire can be conveniently monitored, and the safety of the high-voltage wire is ensured; on the other hand, the anemorumbometer can measure the wind power at the installation part so as to consider the influence of the wind power on the measurement data and facilitate the laser range finder to carry out accurate measurement; meanwhile, the signal receiving and sending module is convenient for sending signals to the ground control station to transmit measurement data, and the sag low point of the high-voltage wire is conveniently monitored.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall structure of the present invention;

FIG. 3 is a partial sectional view of the middle mounting portion of the present invention;

FIG. 4 is a schematic view of a partial explosion structure of the middle mounting part of the present invention;

FIG. 5 is a schematic view of a part of the structure of the middle mounting part of the present invention;

fig. 6 is a schematic view of the installation state of the present invention.

In the figure:

1. an installation part; 11. a housing; 12. a slot; 13. a support; 14. a fixed block; 15. a signal receiving and sending module; 16. a top plate; 17. inserting and buckling; 171. penetrating a groove; 18. a limiting rod; 182. shifting blocks; 19. a spring;

2. a laser range finder;

3. an anemorumbometer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment provides a technical scheme:

referring to fig. 1-5, the sag monitoring device for the high-voltage power transmission line comprises a mounting part 1, a laser range finder 2 and an anemorumbometer 3, wherein the mounting part 1 is used for mounting the laser range finder 2 and the anemorumbometer 3 on the high-voltage power transmission line and at the sag low point of the high-voltage power transmission line; the portable wireless remote control device comprises a shell 11 in a hollow structure, wherein slots 12 are formed in two sides of the top surface of the shell 11, and a signal receiving and sending module 15 is installed on the inner top surface of the shell 11; limiting rods 18 capable of moving horizontally penetrate through two side walls of the shell 11; a fixed block 14 is arranged on the top surface of the shell 11, the fixed block 14 is fixedly connected with the shell 11 through bolts, a top plate 16 is arranged above the fixed block 14, and clamping grooves for clamping high-voltage wires are formed in the top plate 16 on the fixed block 14; the two sides of the bottom surface of the top plate 16 are provided with inserting buckles 17 inserted in the slots 12, the inserting buckles 17 are tightly welded with the top plate 16, the inserting buckles 17 are provided with through grooves 171 through which high-voltage electric wires pass, the tail ends of the limiting rods 18 are inserted into the through grooves 171 and limit the inserting buckles 17 in the slots 12, the two side walls of the shell 11 are provided with U-shaped supports 13, and the limiting rods 18 pass through the supports 13 and are connected with the supports 13 in a sliding manner; a stop ring 181 is arranged on the limiting rod 18, and the stop ring 181 is coaxially and tightly welded with the limiting rod 18; the limiting rod 18 is further sleeved with a spring 19, and the spring 19 is used for abutting against the stop ring 181 and limiting the tail end of the limiting rod 18 in the through groove 171; the laser range finder 2 is used for measuring the ground clearance of the high-voltage wire and is arranged at the inner bottom of the shell 11; the anemorumbometer 3 is used for measuring the wind speed at the high-voltage wire and is arranged on the top surface of the top plate 16, and the anemorumbometer 3 is fixedly connected with the top plate 16 through bolts;

in this embodiment, the end of the limiting rod 18 is provided with a shifting block 182 for shifting the horizontal motion of the limiting rod 18, the setting of the shifting block 182 is convenient for shifting the limiting rod 18 so as to remove the limitation of the limiting rod 18 on the through groove 171, the mounting part 1 is convenient to detach, and the laser range finder 2 and the anemoscope 3 are convenient to detach and overhaul.

In this embodiment, the probe part of the laser range finder 2 passes through the bottom surface of the housing 11 and protrudes to the outside, and this design is convenient for measuring the linear distance between the ground and the sag low point of the high-voltage wire through the laser range finder 2 so as to monitor the sag low point position of the high-voltage wire.

In this embodiment, the insertion buckle 17 is provided with a notch for placing the high voltage wire into the through groove 171, which facilitates the high voltage wire to pass through the through groove 171 and the installation of the installation part 1 on the high voltage wire.

In the embodiment, the size of the slot 12 is matched with that of the insert buckle 17, and the design improves the connection stability between the insert buckle 17 and the shell 11, and improves the stability of the device after installation.

In this embodiment, the laser range finder 2 is installed at the inner bottom of the housing 11 through a bolt, and the bolt is firmly and stably fixed, so that the installation stability of the laser range finder 2 is improved.

It should be added that, referring to fig. 6, a linear distance between the laser range finder 2 and the ground in this embodiment is h, and the height h is a distance between the sag low point of the high-voltage wire and the ground, and the change of the sag low point of the high-voltage wire can be known through the change of the height h, so as to facilitate monitoring of the sag low point of the high-voltage wire.

In addition, the laser range finder 2 in this embodiment is only suitable for being installed on a horizontally erected high-voltage transmission line, that is, two ends of the high-voltage transmission line and a suspension point of the high-voltage line frame are located at the same height, so that the sag low point of the high-voltage transmission line can be directly known by measuring the vertical height with the ground through the laser range finder 2.

Simultaneously, the bottom of casing 11 in this embodiment is the detachable bottom plate, and laser range finder 2 installs in the top surface of bottom plate, and the bottom plate passes through bolt and 11 fixed connection of casing, and this design is convenient for dismantle laser range finder 2 to be convenient for overhaul laser range finder 2.

It should be noted that the signal receiving and sending module 15 of the laser range finder 2 and the anemorumbometer 3 in this embodiment is conventional technology, and is not described herein again.

When the device is used specifically, a user firstly switches on the power supply of the laser range finder 2, the laser range finder 2 starts to work, the laser range finder 2 can measure the vertical height with the ground, and the measurement is carried out while data is transmitted to a ground control station through the signal receiving and sending module 15, so that the sag low point of the high-voltage wire can be obtained;

when needs are dismantled laser range finder 2 and anemorumbometer 3, the user firstly stirs shifting block 182 to both sides, shifting block 182 drives gag lever post 18 and moves to both sides, spring 19 is compressed promptly, the end of gag lever post 18 breaks away from wearing groove 171 promptly, gag lever post 18 is relieved promptly to the restriction of eye-splice 17 this moment, casing 11 breaks away from eye-splice 17 and roof 16 promptly, user takes off casing 11 at last to dismantle the lower plate, can overhaul laser range finder 2.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. High tension transmission line arc monitoring devices that hangs down, including installation department (1), laser range finder (2) and wind speed anemoscope (3), its characterized in that:

the mounting part (1) is used for mounting the laser range finder (2) and the wind speed and direction indicator (3) on the high-voltage wire and at the sag low point of the high-voltage wire; the portable electronic device comprises a shell (11) with a hollow structure, wherein two sides of the top surface of the shell (11) are respectively provided with a slot (12), and the inner top surface of the shell (11) is provided with a signal receiving and sending module (15); two side walls of the shell (11) are provided with limit rods (18) which can move horizontally in a penetrating way; a fixing block (14) is installed on the top surface of the shell (11), a top plate (16) is installed above the fixing block (14), and clamping grooves used for clamping high-voltage wires are formed in the top plate (16) on the fixing block (14); the two sides of the bottom surface of the top plate (16) are provided with inserting buckles (17) inserted with the slots (12), the inserting buckles (17) are provided with penetrating grooves (171) for high-voltage electric wires to penetrate through, and the tail ends of the limiting rods (18) are inserted into the penetrating grooves (171) and limit the inserting buckles (17) in the slots (12);

the laser range finder (2) is used for measuring the ground clearance of the high-voltage wire and is arranged at the inner bottom of the shell (11);

and the anemorumbometer (3) is used for measuring the wind speed at the high-voltage wire and is arranged on the top surface of the top plate (16).

2. The sag monitoring device for the high-voltage transmission line according to claim 1, wherein: two side walls of the shell (11) are respectively provided with a U-shaped bracket (13), and a limiting rod (18) penetrates through the brackets (13) and is connected with the brackets (13) in a sliding manner; a stop ring (181) is arranged on the limiting rod (18); the limiting rod (18) is further sleeved with a spring (19), and the spring (19) is used for abutting against the stop ring (181) and limiting the tail end of the limiting rod (18) in the through groove (171).

3. The high tension transmission line sag monitoring device according to claim 1, characterized in that: and the tail end of the limiting rod (18) is provided with a shifting block (182) for shifting the limiting rod (18) to move horizontally.

4. The sag monitoring device for the high-voltage transmission line according to claim 1, wherein: the probe part of the laser range finder (2) penetrates through the bottom surface of the shell (11) and protrudes to the outside.

5. The sag monitoring device for the high-voltage transmission line according to claim 1, wherein: and a notch for placing the high-voltage wire into the through groove (171) is formed in the insert buckle (17).

6. The sag monitoring device for the high-voltage transmission line according to claim 1, wherein: the size of the slot (12) is matched with that of the insert buckle (17).

7. The sag monitoring device for the high-voltage transmission line according to claim 1, wherein: the laser range finder (2) is arranged at the inner bottom of the shell (11) through a bolt.