CN113937702B - Power transmission line lapping device for power grid infrastructure - Google Patents
Power transmission line lapping device for power grid infrastructure Download PDFInfo
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- CN113937702B CN113937702B CN202111093678.5A CN202111093678A CN113937702B CN 113937702 B CN113937702 B CN 113937702B CN 202111093678 A CN202111093678 A CN 202111093678A CN 113937702 B CN113937702 B CN 113937702B
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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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
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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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device
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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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
- H02G7/053—Suspension clamps and clips for electric overhead lines not suspended to a supporting wire
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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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
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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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/16—Devices for removing snow or ice from lines or cables
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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Abstract
The invention provides a power transmission line lapping device for power grid infrastructure, which comprises a base and a wiring mechanism. Wherein, the base is equipped with and is used for embracing the fixed subassembly of embracing of clamp to the power transmission line. The two groups of wiring mechanisms are respectively positioned at two sides of the wire holding assembly. Each group of wiring mechanisms comprises a wiring roller, a wire pushing roller, a driving assembly and a shock absorption assembly; the lapping roller is rotatably arranged on the base; the wire pushing roller is rotatably arranged between the wire lapping roller and the wire holding assembly and is used for winding one end of a power transmission wire together with the wire lapping roller in a snake shape; the driving component is used for rotatably connecting the wire pushing roller and driving the wire pushing roller to move up and down; the shock-absorbing component is arranged on the base and connected with the wire lapping roller for offsetting the swinging force of the power transmission line. The power transmission line lapping device for power grid infrastructure provided by the invention changes the traditional porcelain insulator structure, can enable the power transmission line to adapt to a complex severe environment, improves the installation quality of the power transmission line, and has high safety and strong practicability.
Description
Technical Field
The invention belongs to the technical field of power grid infrastructure equipment, and particularly relates to a power transmission line wiring device for power grid infrastructure.
Background
The power grid infrastructure project is a power grid infrastructure project which mainly aims at expanding power transmission and distribution capacity according to a certain project rule program and a certain amount of investment money to complete new construction, expansion and the like. The overhead transmission line is used as a backbone grid structure of a power grid, and the requirement is higher in power grid infrastructure.
In the prior art, for overhead transmission lines in power grid infrastructure, the overhead transmission lines are generally required to be hung on cross arms on power towers and bound on porcelain bottles on the cross arms. This type of construction, although able to guarantee the transmission of electric power, is particularly advantageous for complex climatic environments, for example; day and night temperature difference changes, wind, snow, hail damage and the like, and the damage to the power transmission line is also large. When the temperature difference is great round the clock, expend with heat and contract with cold's phenomenon can appear in power transmission line self, influences the arc of power transmission line and hangs down, and the temperature is higher, and the arc hangs down more greatly, and the power transmission line is less to ground distance, and when not satisfying the regulation requirement to ground safety distance, probably produce discharge phenomenon and electric shock accident. In windy weather, the power transmission lines swing under the action of wind force, and discharge between two running power transmission lines is likely to occur. In ice and snow weather, the gravity of the power transmission line is increased due to the fact that the power transmission line is covered with ice and snow, and the power tower is likely to be crushed.
Disclosure of Invention
The embodiment of the invention provides a power transmission line lapping device for power grid infrastructure construction, and aims to solve the problem that potential safety hazards are high due to the fact that a lapping structure of an overhead power transmission line cannot adapt to severe weather environments in the existing power grid infrastructure construction process.
In order to realize the purpose, the invention adopts the technical scheme that: the utility model provides a power transmission line device of taking a contact for electric wire netting capital construction, includes:
the device is used for being horizontally fixed on the cross arm and is vertical to the cross arm; setting the length direction of the base to be a first direction, wherein the base is provided with a wire holding assembly for holding and fixing a power transmission line; and
two groups of routing mechanisms are arranged, and the two groups of routing mechanisms are respectively positioned on two sides of the wire holding assembly along the first direction; each group of wiring mechanisms comprises a wiring roller, a wire pushing roller, a driving assembly and a shock absorption assembly; the lapping roller is rotatably arranged on the base; the wire pushing roller is rotatably arranged between the wire lapping roller and the wire holding assembly and is used for winding one end of a power transmission wire together with the wire lapping roller in a snake shape; the driving assembly is used for rotatably connecting the wire pushing roller and driving the wire pushing roller to move up and down; the shock-absorbing assembly is arranged on the base and connected with the wire lapping roller to offset the swinging force of the power transmission line.
In one possible implementation, a horizontal direction perpendicular to the first direction is set as a second direction;
the base is provided with an accommodating cavity which is communicated along the vertical direction; the wire holding assembly is arranged above the base, is located in the middle of the base along the first direction and is located in the middle of the base along the second direction;
and a connecting plate is fixedly arranged at the top end of the base and arranged along the second direction.
In one possible implementation, the suspension assembly includes:
the fixed shaft is arranged in the accommodating cavity and is arranged along the second direction, and two ends of the fixed shaft are respectively inserted into the side walls of the accommodating cavity; the fixed shaft is used for rotationally connecting the corresponding lapping rollers; and
the two springs are respectively positioned on two sides of the wire lapping roller along the second direction and are sleeved on the fixed shaft; one end of each spring is abutted against the side wall of the containing cavity, and the other end of each spring is abutted against the end face of the lapping roller;
after the power transmission line swings under the action of external force, the two springs mutually bounce the wiring roller, so that the wiring roller reciprocates on the fixed shaft to offset the swinging force of the power transmission line.
In some embodiments/exemplary/illustrations, the taping roller is located at a middle position of the fixed shaft along the second direction; and a first arc-shaped annular groove for placing a power transmission wire is arranged on the outer edge surface of the lapping roller.
In some embodiments/examples/illustrations, both ends of the fixing shaft are provided with limiting parts which are abutted with the outer side wall of the base.
In some embodiments, for example/illustration, a notch is formed in a side wall of the base, the notch is used for the fixed shaft to insert and is opened downwards, and a first semicircular groove matched with the fixed shaft is formed in the top of the notch;
electric wire netting is power transmission line device of taking a business for capital construction still includes the subassembly of weighing, the subassembly of weighing includes:
the compensation seat is fixedly arranged at the bottom end of the base and is positioned below the gap;
the weighing sensor is arranged in the notch along the vertical direction and is positioned above the compensation seat, a second semi-annular groove matched with the fixed shaft is formed in the top end of the weighing sensor, and the second semi-annular groove and the first semi-annular groove are encircled to form a round hole for the insertion of the fixed shaft; and
a matched controller.
In one possible implementation, the drive assembly includes:
the fixed frame is fixedly arranged on the base along the vertical direction and is positioned in the accommodating cavity; the fixed frame is provided with two sliding rods arranged along the vertical direction, and the two sliding rods are arranged along the first direction at intervals;
the sliding block is arranged on the sliding rod in a sliding mode, and an extending shaft arranged along the second direction is arranged on the sliding block and used for enabling the wire pushing roller to be connected in a rotating mode;
the lead screw is rotatably arranged in the fixed frame along the vertical direction and positioned between the two slide bars, and the lead screw is in spiral fit connection with a nut part arranged on the slide block and is used for rotating so as to drive the slide block to move up and down;
the driver is fixedly arranged on the fixed frame and electrically connected with the controller, and a power output end is connected with one end of the lead screw so as to drive the lead screw to rotate; and
the temperature sensor is arranged on the fixed frame, is electrically connected with the controller and is used for monitoring the environmental temperature;
the controller receives a temperature electric signal transmitted by the temperature sensor, controls the driver to work, and drives the wire pushing roller to move up and down through the lead screw and the sliding block so as to realize the winding and unwinding of the power transmission line.
In some embodiments/examples/illustrations, the wire pushing roller is located at an intermediate position of the accommodating cavity along the second direction; and a second arc-shaped annular groove for placing a power transmission wire is formed in the outer edge surface of the wire pushing roller.
In one possible implementation, the wire holding assembly includes:
the screw rod is arranged along the vertical direction and is in threaded fit connection with the connecting plate;
the locking nut is arranged above the connecting plate and is abutted against the upper plate surface of the connecting plate, and the locking nut is in threaded fit connection with the screw;
the hoop is arranged below the connecting plate, is rotatably connected with the bottom end of the screw and is used for clamping the outer edge surface of the power transmission line; and
and the protective rubber mat is annularly arranged between the hoop and the power transmission line so as to protect the power transmission line.
In some embodiments/examples/illustrations, the protective rubber pad is made of silicone rubber.
In this implementation mode/application embodiment, set up the base on the cross arm to set up on the base and embrace the fixed line subassembly of embracing of pressing from both sides to the power transmission line, can fix the power transmission line, can prevent to embrace the transmission line of line subassembly one side and slide to the opposite side, can guarantee power transmission line installation quality to a certain extent. Walk the line mechanism and be equipped with two sets ofly, can further hang the power transmission line of establishing to both sides extension by embracing the line subassembly respectively. The arbitrary extension end of power transmission line can be snakelike around establishing the outer fringe at the line roller and pushing away the line roller, wherein the line roller can upwards hold up the power transmission line, and the line roller that pushes away can be under drive assembly's drive, push away defeated power transmission line lift removal that is located between line roller and the holding wire subassembly of pushing away, this kind of structure can be at the in-process of power transmission line expend with heat and contract with cold, receive and release the regulation to the power transmission line, with the sag of adjusting the power transmission line, and then guarantee the power transmission line highly in safe within range to ground. Shock absorber subassembly is connected with the roller of taking a telegram, can receive external force at the power transmission line and take place wobbling in-process, offsets the swinging force of power transmission line, and then prevents to lead to between the power transmission line or power transmission line and other objects because of the distance undersize takes place to discharge because of power transmission line swing range is too big, can effectually guarantee the safety in utilization of power transmission line. This application has changed vase structure in the past, can make the power transmission line adapt to complicated adverse circumstances, has improved the installation quality of power transmission line, and the security is high, and the practicality is strong.
Drawings
Fig. 1 is a schematic structural diagram of a power transmission line connection device for power grid infrastructure according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a power transmission line winding principle of the power transmission line lapping device for power grid infrastructure according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a driving assembly and a wire pushing roller of a power transmission line splicing device for power grid infrastructure according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a base and a weighing component of a power transmission line tapping device for power grid infrastructure according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an explosion structure of a wire holding assembly of a power transmission line lapping device for power grid infrastructure according to an embodiment of the present invention;
description of reference numerals:
10. a base; 11. an accommodating cavity; 12. a wire holding component; 13. a screw; 14. locking the nut; 15. hooping; 16. protecting the rubber pad; 17. a connecting plate; 20. a wiring mechanism; 30. lapping rollers; 31. a first arc-shaped ring groove; 40. a wire pushing roller; 41. a second arc-shaped ring groove; 50. a drive assembly; 51. a fixed frame; 52. a slider; 53. a lead screw; 54. a driver; 60. a suspension assembly; 61. a fixed shaft; 62. a spring; 70. a weighing assembly; 71. a compensating seat; 72. a weighing sensor; 80. and (4) a power transmission line.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that the terms "length," "width," "height," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "head," "tail," and the like, indicate orientations or positional relationships that are based on the orientations or positional relationships illustrated in the drawings, are used for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the invention.
It should also be noted that, unless expressly specified or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and encompass, for example, fixed connections as well as removable connections or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In addition, the meaning of "a plurality" or "a number" is two or more unless specifically limited otherwise.
Referring to fig. 1 to 5, a power line connection device for power grid infrastructure according to the present invention will now be described. The power transmission line lapping device for power grid infrastructure comprises a base 10 and a wiring mechanism 20. The base 10 is horizontally fixed on the cross arm and is perpendicular to the cross arm; the length direction of the base 10 is set as a first direction, and the base 10 is provided with a wire clasping assembly 12 for clasping and fixing the power transmission line 80. The routing mechanisms 20 are provided in two sets, and the two sets of routing mechanisms 20 are respectively located on two sides of the wire embracing component 12 along the first direction.
Each set of routing mechanism 20 comprises a routing roller 30, a line pushing roller 40, a driving assembly 50 and a shock absorbing assembly 60; the lapping roller 30 is rotatably arranged on the base 10; the wire pushing roller 40 is rotatably arranged between the wire lapping roller 30 and the wire holding assembly 12 and used for winding one end of the power transmission wire 80 together with the wire lapping roller 30 in a snake shape; the driving component 50 is used for rotatably connecting the wire pushing roller 40 and driving the wire pushing roller 40 to move up and down; the suspension assembly 60 is disposed on the base 10 and connected to the thread take-up roller 30 for offsetting the swinging force of the power line 80.
Because same power transmission line 80 needs a plurality of electric towers to support, and be located the 80 sections of power transmission line between two adjacent electric towers, need install the power transmission line device of taking a match for power grid infrastructure that this embodiment provided on the cross arm of two adjacent electric towers respectively, fix through two power transmission line devices of taking a match for power grid infrastructure respectively to the both ends of the 80 sections of power transmission line between two electric towers.
The power transmission line device of taking lead for electric wire netting capital construction that this embodiment provided compares with prior art, has set up base 10 on the cross arm to set up on base 10 and embrace to press from both sides fixed embracing line subassembly 12 to power transmission line 80, can fix power transmission line 80, can prevent to embrace the power transmission line of line subassembly 12 one side and slide to the opposite side, can guarantee power transmission line 80 installation quality to a certain extent. The two sets of routing mechanisms 20 are provided, and can further hang the power transmission lines 80 extending from the wire holding assembly 12 to two sides. The arbitrary extension end of power transmission line 80 can be snakelike around establishing in the outer fringe of line roller 30 and line roller 40 that pushes away, wherein line roller 30 can upwards hold up power transmission line 80, and line roller 40 can push away and lose power transmission line 80 lift movement between line roller 30 and holding wire subassembly 12 under drive assembly 50's drive, this kind of structure can be at power transmission line 80 expend with heat and contract with cold in-process, receive and release the regulation to power transmission line 80 to adjust the sag of power transmission line 80, and then guarantee that power transmission line 80 is highly in safe within range to the ground. The suspension assembly 60 is connected with the wire-lapping roller 30, and can counteract the swinging force of the power transmission line 80 when the power transmission line 80 swings due to external force, so as to prevent the power transmission line 80 from discharging due to too large swinging amplitude of the power transmission line 80 or the power transmission line 80 and other objects due to too small distance, thereby effectively ensuring the use safety of the power transmission line 80. This application has changed vase structure in the past, can make power transmission line 80 adapt to complicated adverse circumstances, has improved power transmission line 80's installation quality, and the security is high, and the practicality is strong.
In some embodiments, the base 10 may be configured as shown in fig. 1 and 4. Referring to fig. 1 and 4, a horizontal direction perpendicular to the first direction is set as a second direction. The base 10 is provided with an accommodating cavity 11 which is penetrated through along the vertical direction; the wire embracing assembly 12 is arranged above the base 10, and the wire embracing assembly 12 is positioned in the middle of the base 10 along a first direction and is positioned in the middle of the base 10 along a second direction. A connecting plate 17 is fixedly arranged at the top end of the base 10, and the connecting plate 17 is arranged along the second direction.
The setting of holding chamber 11 can guarantee the installation to walking line mechanism 20, guarantees to walk the effect that the gravity of line mechanism 20 and power transmission line 80 can be even on base 10, and then guarantees holistic stability, guarantees the installation quality of power transmission line 80, and the security is high. The wire holding assembly 12 is arranged in the middle of the base 10, so that the gravity of the power transmission line 80 can be uniformly acted on the base 10, the structure is simple, and the practicability is high.
In some embodiments, the suspension assembly 60 can be configured as shown in FIG. 1. Referring to FIG. 1, a suspension assembly 60 includes a fixed shaft 61 and a spring 62. The fixing shaft 61 is arranged in the accommodating cavity 11 and arranged along the second direction, and two ends of the fixing shaft 61 are respectively inserted into the side walls of the accommodating cavity 11; the fixed shaft 61 is used for rotatably connecting the corresponding thread lapping roller 30. Two springs 62 are arranged, and the two springs 62 are respectively positioned on two sides of the lapping roller 30 along the second direction and are sleeved on the fixed shaft 61; one end of each spring 62 abuts against the side wall of the accommodation chamber 11, and the other end abuts against the end face of the thread take-up roller 30.
Both sides of the lapping roller 30 in the second direction are provided with springs 62.
When the power transmission line 80 between the two towers swings due to wind force, the two ends of the power transmission line 80 will increase the pulling force on the wire lapping roller 30 and will pull the wire lapping roller 30 to displace along the axis of the fixed shaft 61, and at this time, the two springs 62 are compressed or extended alternately, because the length of the power transmission line 80 is longer, the swinging frequency is less than the alternating process of the two springs 62, and then a counteracting displacement is transmitted to the power transmission line 80 at the end of the power transmission line 80, so that the swinging amplitude of the power transmission line 80 is reduced. The two springs 62 mutually urge the wire lapping roller 30 to reciprocate the wire lapping roller 30 on the fixed shaft 61 to cancel the swinging force of the power transmission line 80. The structure can effectively reduce the swing amplitude of the power transmission line 80, ensures that the power transmission line 80 can bear the action of larger wind power, and has the advantages of simple structure, convenient manufacture, low cost and strong practicability.
In some embodiments, the lapping roller 30 may be configured as shown in FIG. 1. Referring to fig. 1, the thread take-up roller 30 is located at a middle position of the fixed shaft 61 in the second direction; the outer peripheral surface of the wire lapping roller 30 is provided with a first arc-shaped ring groove 31 for placing the power transmission wire 80. The position of the lapping roller 30 can be ensured to correspond to the wire holding assembly 12, so that the installation quality of the transmission wire 80 can be ensured. In addition, the arrangement of the first arc-shaped ring groove 31 can limit the position of the power transmission line 80, prevent the power transmission line 80 from being separated from the wire lapping roller 30 and ensure the installation quality of the power transmission line 80.
In some embodiments, the fixed shaft 61 may be configured as shown in FIG. 1. Referring to fig. 1, both ends of the fixed shaft 61 are provided with a stopper abutting against the outer sidewall of the base 10. Because the fixed shaft 61 is a non-rotating shaft, and the two ends of the fixed shaft 61 are provided with the limiting parts, the fixed shaft can be prevented from being separated from the base 10 due to the axial force of the thread lapping roller 30, the installation stability of the fixed shaft is ensured, the structure is simple, the installation and the manufacture are convenient, and the practicability is high.
In some embodiments, the base 10 may be configured as shown in FIG. 4. Referring to fig. 4, a notch for inserting the fixing shaft 61 and opening downwards is formed in the side wall of the base 10, and a first semicircular groove adapted to the fixing shaft 61 is formed at the top of the notch.
The power transmission line wiring device for power grid infrastructure further comprises a weighing assembly 70, wherein the weighing assembly 70 comprises a compensation seat 71, a weighing sensor 72 and a matched controller. Wherein, the compensation seat 71 is fixedly arranged at the bottom end of the base 10 and is positioned below the gap. Weighing sensor 72 sets up in the opening along vertical direction, and is located compensation seat 71 top, and weighing sensor 72's top is equipped with the second semi-annular groove with fixed axle 61 adaptation, and the second semi-annular groove encloses with first semi-annular groove and closes the round hole that forms that confession fixed axle 61 inserted and establish.
The setting of opening is mainly for guaranteeing the installation to gravity sensor, and the top of opening is first semi-ring channel, can enclose with the second semi-ring channel of weighing sensor 72 bottom and close the round hole that forms confession fixed axle 61 and insert and establish, and this kind of structure can guarantee that the gravity of fixed axle 61 is used in gravity sensor completely to the assurance carries out real-time measurement to the gravity of power transmission line 80. This kind of structure mainly can adapt to ice and snow weather, can hang the snow mixed material that coats on the power transmission line, and weighing sensor 72's numerical value can increase, and accessible drive assembly 50 drives and pushes away line roller 40 and receive and release power transmission line 80 to axial effort through power transmission line 80, with the snow and the ice sheet stretch-break of power transmission line 80 surface covering, so that snow or ice sheet fall down.
In some embodiments, the drive assembly 50 may be configured as shown in FIG. 3. Referring to fig. 3, the driving assembly 50 includes a fixed frame 51, a slider 52, a lead screw 53, a driver 54, and a temperature sensor. Wherein, the fixed frame 51 is fixedly arranged on the base 10 along the vertical direction and is positioned in the accommodating cavity 11; the fixed frame 51 is provided with two sliding rods arranged along the vertical direction, and the two sliding rods are arranged at intervals along the first direction. The sliding block 52 is slidably disposed on the sliding rod, and an extending shaft disposed along the second direction is disposed on the sliding block 52 for rotatably connecting the wire pushing roller 40. The lead screw 53 is rotatably disposed in the fixed frame 51 along the vertical direction and located between the two slide bars, and the lead screw 53 is in screw fit connection with a nut portion disposed on the slider 52 for rotation so as to drive the slider 52 to move up and down. The driver 54 is fixed on the fixed frame 51 and electrically connected to the controller, and the power output end is connected to one end of the lead screw 53 to drive the lead screw 53 to rotate. The temperature sensor is disposed on the fixing frame 51, and electrically connected to the controller, for monitoring the ambient temperature.
After the controller receives the temperature electric signal transmitted by the temperature sensor, the controller controls the driver 54 to work, and the lead screw 53 and the slide block 52 drive the wire pushing roller to move up and down so as to realize the winding and unwinding of the power transmission line 80. The lead screw 53 can guarantee the removal precision of pushing away line roller 40 with the setting of slider 52, and then guarantees to the fine setting work of power transmission line 80 at the changes in-process of cold and hot, makes power transmission line 80 be in dynamic safety balanced's state, and this kind of structure has simple structure, and the characteristics that the preparation of being convenient for and the practicality are strong can effectual assurance power transmission line 80 establish safety and installation quality.
In some embodiments, the wire pushing roller 40 may be configured as shown in fig. 1. Referring to fig. 1, the wire pushing roller 40 is located at an intermediate position of the accommodating chamber 11 in the second direction; the outer edge surface of the wire pushing roller 40 is provided with a second arc-shaped ring groove 41 for placing the power transmission wire 80. The position of the wire pushing roller 40 can ensure the corresponding wire holding assembly 12, and further ensure the installation quality of the power transmission wire 80. In addition, the arrangement of the second arc-shaped ring groove 41 can limit the position of the power transmission line 80, prevent the power transmission line 80 from being separated from the wire pushing roller 40 and ensure the installation quality of the power transmission line 80.
One end of the power transmission line 80 extending from the wire holding assembly 12 passes below the wire pushing roller 40 and above the wire lapping roller 30 in sequence, and is arranged in a serpentine shape in the second arc-shaped ring groove 41 and the first arc-shaped ring groove 31. The rotation of the wire pushing roller 40 and the wire engaging roller 30 causes rolling friction with the power transmission line 80 when the power transmission line 80 is stored, thereby preventing the power transmission line 80 from being scratched.
In some embodiments, the wire hugging assembly 12 may be configured as shown in fig. 5. Referring to fig. 5, the wire embracing assembly 12 includes a screw 13, a lock nut 14, a hoop 15 and a protective rubber mat 16. Wherein, screw rod 13 sets up along vertical direction, and is connected with connecting plate screw thread fit. The locking nut 14 is arranged above the connecting plate 17 and is abutted to the upper plate surface of the connecting plate 17, and the locking nut 14 is in threaded fit connection with the screw 13. Staple bolt 15 sets up in the below of connecting plate, and rotates with the bottom of screw rod 13 and be connected for embrace and press from both sides the outer fringe face at power transmission line 80. The protective rubber pad 16 is arranged between the anchor ear 15 and the power line 80 in a ring shape to protect the power line 80.
The threaded holes for the threaded matching connection of the screw rods 13 are formed in the connecting plate 17, the screw rods 13 are locked again through the locking nuts 14 after the screw rods 13 are in threaded matching with the threaded holes, the installation stability of the screw rods 13 can be guaranteed, the accidental loosening of the screw rods is prevented, and a plurality of locking nuts 14 can be overlapped according to actual use. The setting of screw rod 13 can be guaranteed to adjust the height of staple bolt 15, and then improves the adaptability, guarantees the stable cooperation of power transmission line 80 and push away line roller 40 and take line roller 30. The hoop 15 is a conventional structure, and generally comprises two semi-rings and a bolt connector, and the rotational connection structure between the hoop 15 and the screw 13 mainly ensures that the state of the hoop 15 is consistent with the state of the power transmission line 80. Protection cushion 16 can be split type, sets up respectively on two semi-ring inner walls of staple bolt 15, and protection cushion 16 can protect the outer wall of power transmission line 80, can increase moreover with staple bolt 15 within a definite time friction, and then guarantee the fixed action to power transmission line 80.
In some embodiments, the protective rubber pad 16 may have a structure as shown in fig. 5. Referring to fig. 5, the protective rubber pad 16 is made of silicon rubber, which has high corrosion resistance, can increase the protection period of the power transmission line 80, has good memory, and can be reused.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. Power transmission line device of taking lead for electric wire netting capital construction, its characterized in that includes:
the base is horizontally and fixedly arranged on the cross arm and is vertical to the cross arm; setting the length direction of the base as a first direction, and setting the horizontal direction perpendicular to the first direction as a second direction; the base is provided with a wire holding assembly for holding and clamping and fixing the power transmission line; the base is provided with an accommodating cavity which is communicated along the vertical direction; the wire holding assembly is arranged above the base, is positioned in the middle of the base along the first direction, and is positioned in the middle of the base along the second direction; a connecting plate is fixedly arranged at the top end of the base and arranged along the second direction;
the two groups of routing mechanisms are respectively positioned on two sides of the wire holding assembly along the first direction; each group of wiring mechanism comprises a wiring roller, a wire pushing roller, a driving assembly and a shock absorption assembly; the lapping roller is rotatably arranged on the base; the wire pushing roller is rotatably arranged between the wire lapping roller and the wire holding assembly and is used for winding one end of a power transmission wire together with the wire lapping roller in a snake shape; the driving assembly is used for rotatably connecting the wire pushing roller and driving the wire pushing roller to lift and move; the shock-absorbing assembly is arranged on the base, is connected with the wire lapping roller and is used for offsetting the swinging force of the power transmission line; the shock absorption assembly comprises a fixed shaft and a spring; the fixed shaft is arranged in the accommodating cavity and is arranged along the second direction, and two ends of the fixed shaft are respectively inserted into the side walls of the accommodating cavity; the fixed shaft is used for rotationally connecting the corresponding lapping rollers; the two springs are respectively positioned on two sides of the lapping roller along the second direction and are sleeved on the fixed shaft; one end of each spring is abutted against the side wall of the accommodating cavity, and the other end of each spring is abutted against the end face of the lapping roller; after the power transmission line swings under the action of an external force, the two springs mutually bounce the lapping roller to enable the lapping roller to reciprocate on the fixed shaft so as to offset the swinging force of the power transmission line; the side wall of the base is provided with a notch which is used for inserting the fixed shaft and is opened downwards, and the top of the notch is a first semicircular groove matched with the fixed shaft; and
the weighing assembly comprises a compensation seat, a weighing sensor and a matched controller; the compensation seat is fixedly arranged at the bottom end of the base and is positioned below the opening; the weighing sensor is arranged in the opening in the vertical direction and is positioned above the compensation seat, a second semi-annular groove matched with the fixed shaft is formed in the top end of the weighing sensor, and the second semi-annular groove and the first semi-annular groove are enclosed to form a circular hole for the fixed shaft to be inserted and arranged.
2. A power transmission line joining apparatus for the infrastructure of an electric network as claimed in claim 1, wherein said joining roller is located at a middle position of said fixed shaft in said second direction; and a first arc-shaped annular groove for placing a power transmission wire is arranged on the outer edge surface of the wire lapping roller.
3. A power transmission line joining apparatus for power grid infrastructure according to claim 1, wherein both ends of the fixed shaft are provided with a stopper portion abutting against an outer side wall of the base.
4. A power line take-off for the infrastructure of an electrical grid as claimed in claim 1, wherein the drive assembly comprises:
the fixed frame is fixedly arranged on the base along the vertical direction and is positioned in the accommodating cavity; the fixed frame is provided with two sliding rods arranged along the vertical direction, and the two sliding rods are arranged along the first direction at intervals;
the sliding block is arranged on the sliding rod in a sliding mode, and an extending shaft arranged along the second direction is arranged on the sliding block and used for enabling the wire pushing roller to be connected in a rotating mode;
the lead screw is rotatably arranged in the fixed frame along the vertical direction and positioned between the two slide bars, and the lead screw is in spiral fit connection with a nut part arranged on the slide block and is used for rotating so as to drive the slide block to move up and down;
the driver is fixedly arranged on the fixed frame and electrically connected with the controller, and a power output end is connected with one end of the screw rod so as to drive the screw rod to rotate; and
the temperature sensor is arranged on the fixed frame, is electrically connected with the controller and is used for monitoring the environmental temperature;
the controller receives a temperature electric signal transmitted by the temperature sensor, controls the driver to work, and drives the wire pushing roller to move up and down through the lead screw and the sliding block so as to realize the winding and unwinding of the power transmission line.
5. A power line joining apparatus for foundation construction of an electric network as claimed in claim 4, wherein said wire pushing roller is located at a middle position of said housing chamber along said second direction; and a second arc-shaped annular groove for placing a power transmission wire is formed in the outer edge surface of the wire pushing roller.
6. A power transmission line grounding device for the infrastructure of an electrical grid as claimed in claim 1, wherein said wire embracing assembly comprises:
the screw rod is arranged along the vertical direction and is in threaded fit connection with the connecting plate;
the locking nut is arranged above the connecting plate and is abutted against the upper plate surface of the connecting plate, and the locking nut is in threaded fit connection with the screw;
the hoop is arranged below the connecting plate, is rotatably connected with the bottom end of the screw and is used for clamping the outer edge surface of the power transmission line; and
and the protective rubber mat is annularly arranged between the hoop and the power transmission line so as to protect the power transmission line.
7. A power transmission line connection device for power grid infrastructure as claimed in claim 6, wherein said protective rubber mat is made of silicone rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111093678.5A CN113937702B (en) | 2021-09-17 | 2021-09-17 | Power transmission line lapping device for power grid infrastructure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111093678.5A CN113937702B (en) | 2021-09-17 | 2021-09-17 | Power transmission line lapping device for power grid infrastructure |
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| CN113937702A CN113937702A (en) | 2022-01-14 |
| CN113937702B true CN113937702B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111093678.5A Active CN113937702B (en) | 2021-09-17 | 2021-09-17 | Power transmission line lapping device for power grid infrastructure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117013472B (en) * | 2023-10-07 | 2024-02-02 | 国网山东省电力公司冠县供电公司 | Wind-proof device for power transmission line |
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| CN211291688U (en) * | 2020-03-20 | 2020-08-18 | 张小龙 | Transmission line icing weighing sensor |
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| CN204538624U (en) * | 2015-04-28 | 2015-08-05 | 中国电力科学研究院 | A kind of OPGW direct current ice melting system |
| CN106099765A (en) * | 2016-07-29 | 2016-11-09 | 天津德芃科技集团有限公司 | A kind of device regulating electric wire tension force |
| KR102194662B1 (en) * | 2018-12-28 | 2020-12-24 | 서남희 | Tensioner for electric wire |
| CN211209239U (en) * | 2020-02-01 | 2020-08-07 | 郑婷婷 | Electric wire fixing device for power transmission and transformation circuit |
| CN211743890U (en) * | 2020-04-10 | 2020-10-23 | 扬州市工二电力机具有限公司 | Cable wire-stretching device with safety structure |
| CN113315066A (en) * | 2021-05-28 | 2021-08-27 | 河南胜凡信息科技有限公司 | External cable protection device and control system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206628796U (en) * | 2017-04-12 | 2017-11-10 | 佛山深中能新材料有限公司 | A kind of resistance to wire clip of tension-adjustable |
| CN209592795U (en) * | 2019-05-15 | 2019-11-05 | 山西省工业设备安装集团有限公司 | A kind of line spanning frame |
| CN211291688U (en) * | 2020-03-20 | 2020-08-18 | 张小龙 | Transmission line icing weighing sensor |
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| CN113937702A (en) | 2022-01-14 |
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