CN210608300U - Special tool for replacing wire spacer of +/-800 kV power transmission line - Google Patents
Special tool for replacing wire spacer of +/-800 kV power transmission line Download PDFInfo
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- CN210608300U CN210608300U CN201922117384.6U CN201922117384U CN210608300U CN 210608300 U CN210608300 U CN 210608300U CN 201922117384 U CN201922117384 U CN 201922117384U CN 210608300 U CN210608300 U CN 210608300U
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- connecting rod
- transverse shaft
- lead screw
- transmission line
- shaft
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Abstract
The utility model discloses a special tool for replacing a wire spacer of a +/-800 kV power transmission line, which comprises an upper transverse shaft, a middle vertical shaft, a lower transverse shaft, a grapple, an elastic part and a connecting rod structure; the upper transverse shaft and the lower transverse shaft are connected through a middle vertical shaft, and the upper transverse shaft, the middle vertical shaft and the lower transverse shaft are all screw rods; 2 end parts of the upper transverse shaft and the lower transverse shaft are connected through a connecting rod structure, the connecting rod structure comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged with the second connecting rod, the other end of the first connecting rod is hinged with the end part of the upper transverse shaft, one end of the second connecting rod is hinged with the first connecting rod, and the other end of the second connecting rod is hinged with the end part of the lower transverse shaft; the 2 ends of the upper transverse shaft, the 2 ends of the lower transverse shaft and the hinged parts of the first connecting rod and the second connecting rod are provided with a grapple and an elastic piece. The problem of when the electric power maintenance work need be carried out to the trouble emergence of 800kV transmission line wire conductor spacer, need 2 workers to waste time and energy to carry out the conductor spacer maintenance work and waste time, difficultly is solved.
Description
Technical Field
The utility model relates to a transmission line overhauls technical field, concretely relates to specialized tool for changing 800kV transmission line wire conductor spacer.
Background
The ultra-high voltage transmission line has the characteristics of large transmission capacity, large line span, large insulator tonnage and the like. Six split conductors are generally adopted for a +/-800 kV power transmission line, and spacing rods are generally adopted between the split conductors for fixing and controlling the spacing so as to prevent sub-conductors from being mutually whipped and inhibit breeze vibration and sub-span vibration.
The spacer should generally have sufficient grip strength to not allow for loosening during long term operation, and the overall strength must withstand centripetal forces and fatigue from long term vibration of the split conductor when the line is shorted. The spacer is in a coupling field of an electric field and a force field for a long time and is easy to slide or damage, and the sliding or damage of the spacer can generate certain influence on the safe operation of a line.
At present, no tool special for replacing wire spacers of +/-800 kV power transmission lines exists in the power overhaul industry, if the wire spacers of +/-800 kV power transmission lines need to be replaced, 2 workers are required to be matched with each other for replacing within forty minutes, the whole overhaul process is time-consuming and labor-consuming, the physical consumption of the workers is huge, and the power overhaul safety and the operation efficiency are seriously reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a specialized tool for changing 800kV transmission line conductor spacer, solve 800kV transmission line conductor spacer and break down and need develop electric power maintenance during operation, need 2 operating personnel to waste time and energy carry out the problem that the spacer maintenance work is wasted time and energy.
The utility model discloses a following technical scheme realizes:
a special tool for replacing a conductor spacer of a +/-800 kV power transmission line comprises an upper transverse shaft, a middle vertical shaft, a lower transverse shaft, a grapple, an elastic piece and a connecting rod structure;
the upper transverse shaft and the lower transverse shaft are arranged in parallel, the upper transverse shaft and the lower transverse shaft are connected through a middle vertical shaft, and the upper transverse shaft, the middle vertical shaft and the lower transverse shaft are all lead screws;
2 end parts of the upper transverse shaft and the lower transverse shaft are connected through a connecting rod structure, the connecting rod structure comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged with the second connecting rod, the other end of the first connecting rod is hinged with the end part of the upper transverse shaft, one end of the second connecting rod is hinged with the first connecting rod, and the other end of the second connecting rod is hinged with the end part of the lower transverse shaft;
the 2 end parts of the upper transverse shaft, the 2 end parts of the lower transverse shaft and the hinged parts of the first connecting rod and the second connecting rod are provided with a grapple and an elastic piece; the 6 grapples are respectively matched with the six split conductors, and the end parts of the 6 elastic parts are connected with the middle vertical shaft.
Specialized tool except being used for six split conductors, can also be used for the linear object or the device of similar regular hexagon distribution to need fixed regular hexagon shape to overhaul or install.
The lead screw is prior art, can realize going up cross axle, well vertical axis and cross axle length adjustment down through adjusting the lead screw, articulated mode is the connected mode commonly used in mechanical field, and the hexagonal angle that the cooperation realization through with the elastic component comprises last cross axle, connecting rod structure and lower cross axle is adjustable.
The utility model discloses an go up the cross axle, connecting rod structure and lower cross axle, and 6 elastic component constitute six spring balance system jointly, be responsible for maintaining the internal system balance of multiplexer utensil, make the hexagon that the wire formed be regular hexagon all the time, through adjusting last cross axle, well vertical axis and the length of cross axle down, the automatic of utilizing regular hexagon's geometric principle to realize two grapples in the middle of to apart from, because the circle that six split conductor place planes formed (six split conductor evenly distributed), 6 individual grapples snatch six split conductors respectively, so also evenly distributed of six grapples is on the circle, go up the cross axle, well vertical axis and lower cross axle convert rotary motion into linear motion's mechanical principle, convert the moment of torsion into axial effort of repetition, shift the load of wire vertical direction through the lead screw, accomplish the conductor spacer maintenance work.
The utility model discloses mainly solved 800kV transmission line wire conductor. Simultaneously, still have following advantage:
1. the utility model discloses ingenious fortune lead screw converts rotary motion into linear motion's mechanical principle, converts the moment of torsion into axial effort repeatedly, has reversibility, efficient characteristics concurrently simultaneously, can control the interval between the wire effectively.
2. The utility model discloses an adopt six balanced systems, the balance principle in the ingenious mechanics that utilizes realizes through six spring system that the multiplexer utensil is tightening up or the unbalanced condition appears in stretching out Guokui loyalty, ensures all the time being in of six grapples and uses its center as the centre of a circle, and the spring shaft is on the radial centre of a circle, and 6 grapple evenly distributed, and the central angle of the circular arc between each grapple is 60, further ensures the utility model discloses a balance nature.
Further, the lead screw is an electric motor lead screw.
The movable motor lead screw is in the prior art.
Further, the electric motor lead screw comprises a lead screw lever body and a lead screw adjuster arranged on the lead screw lever body, the lead screw adjuster is used for adjusting the length of the upper transverse shaft, the middle vertical shaft and the lower transverse shaft, two ends of the middle vertical shaft are respectively connected with the lead screw adjusters of the upper transverse shaft and the lower transverse shaft, and the end parts of the 6 elastic pieces are connected with the lead screw adjusters.
Furthermore, a lithium battery and an electric motor are arranged in the lead screw regulator.
The electric motor can rotate forwards and backwards, the length of the screw rod is adjusted by rotating the electric motor, and the lithium battery provides a power supply for the electric motor.
Further, a display screen and an operation button are arranged on the outer wall of the lead screw regulator.
The display screen is used for displaying relevant data of tools and instruments, and the data comprise relevant electric quantity of a tool motor, temperature and humidity of the environment, real-time length of a lead screw, time and the like, and the operation buttons are used for controlling forward rotation and reverse rotation of the electric motor and starting and stopping the electric motor.
This instrument is through setting up digital electronic display screen, develops real-time supervision to instrument battery power, internal circuit, environmental condition, axostylus axostyle length etc. in real time, and the user carries out the accuse to multiplexer utensil in real time through digital display screen for multiplexer utensil is in optimum constantly, ensures multiplexer utensil's performance.
Further, the connecting modes of the grapple, the 2 ends of the upper transverse shaft, the 2 ends of the lower transverse shaft and the hinged part of the first connecting rod and the second connecting rod are hinged.
Further, the outer wall of the grapple is provided with an insulating layer.
Further, the insulating layer is made of epoxy resin.
The epoxy resin is the prior art and can insulate.
Further, the elastic member is a spring.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model provides a when 800kV transmission line wire conductor spacer breaks down and need develop electric power maintenance work, need 2 operating personnel to waste time and energy carry out the condition that the conductor spacer maintenance work is wasted time and energy.
2. The utility model discloses ingenious fortune lead screw converts rotary motion into linear motion's mechanical principle, converts the moment of torsion into axial effort repeatedly, has reversibility, efficient characteristics concurrently simultaneously, can control the interval between the wire effectively.
3. The utility model discloses an adopt six balanced systems, the balance principle in the ingenious mechanics that utilizes realizes through six spring system that the multiplexer utensil is tightening up or the unbalanced condition appears in stretching out Guokui loyalty, ensures all the time being in of six grapples and uses its center as the centre of a circle, and the spring shaft is on the radial centre of a circle, and 6 grapple evenly distributed, and the central angle of the circular arc between each grapple is 60, further ensures the utility model discloses a balance nature.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural diagram of the special tool of the present invention.
Reference numbers and corresponding part names in the drawings:
1-upper transverse shaft, 2-middle vertical shaft, 3-lower transverse shaft, 4-grapple, 5-elastic piece, 6-first connecting rod, 7-second connecting rod, 8-lead screw regulator, 9-display screen.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example (b):
as shown in fig. 1, a special tool for replacing a wire spacer of a +/-800 kV power transmission line comprises an upper transverse shaft 1, a middle vertical shaft 2, a lower transverse shaft 3, a grapple 4, an elastic piece 5 and a connecting rod structure;
the upper transverse shaft 1 and the lower transverse shaft 3 are arranged in parallel, the upper transverse shaft 1 and the lower transverse shaft 3 are connected through a middle vertical shaft 2, and the upper transverse shaft 1, the middle vertical shaft 2 and the lower transverse shaft 3 are all lead screws;
2 end parts of the upper transverse shaft 1 and the lower transverse shaft 3 are connected through a connecting rod structure, the connecting rod structure comprises a first connecting rod 6 and a second connecting rod 7, one end of the first connecting rod 6 is hinged with the second connecting rod 7, the other end of the first connecting rod is hinged with the end part of the upper transverse shaft 1, one end of the second connecting rod 7 is hinged with the first connecting rod 6, and the other end of the second connecting rod 7 is hinged with the end part of the lower transverse shaft 3;
the 2 end parts of the upper transverse shaft 1, the 2 end parts of the lower transverse shaft 3 and the hinged parts of the first connecting rod 6 and the second connecting rod 7 are hinged with a grapple 4 and an elastic part 5; the 6 grapples 4 are respectively matched with the six split conductors, the end parts of the 6 elastic pieces 5 are connected with the middle vertical shaft 2, and the elastic pieces 5 are springs;
specifically, the lead screw is an electric motor lead screw, the electric motor lead screw comprises a lead screw lever body and a lead screw regulator 8 arranged on the lead screw lever body, the lead screw regulator 8 is used for realizing length regulation of an upper transverse shaft 1, a middle vertical shaft 2 and a lower transverse shaft 3, two ends of the middle vertical shaft 2 are respectively connected with the lead screw regulators 8 of the upper transverse shaft 1 and the lower transverse shaft 3, the end parts of 6 elastic parts 5 are connected with the lead screw regulators 8, a lithium battery and an electric motor are arranged in the lead screw regulator 8, and a display screen 9 and an operation button are arranged on the outer wall of the lead screw regulator 8; an insulating layer is arranged on the outer wall of the grapple 4; the insulating layer is made of epoxy resin.
In the embodiment, a 775 motor is adopted, the torque force is large, the voltage is 24V safe, the no-load current is about 0.4A, the locked-rotor current is about 4A, the no-load power is about 9.6W, the motor supports forward and reverse rotation in a steering mode, the diameter of the motor is 50mm, the height of a step is 5mm, the diameter of the step is 18mm, the length of a motor shaft is 20mm, and the weight of the motor is about 200 g.
The working process of the embodiment is as follows:
and 7, after confirming that the spacer is installed in place and the stress is normal, loosening the screw rod of the electric motor to a proper position, and taking out the tool.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A special tool for replacing a wire spacer of a +/-800 kV power transmission line is characterized by comprising an upper transverse shaft (1), a middle vertical shaft (2), a lower transverse shaft (3), a grapple (4), an elastic piece (5) and a connecting rod structure;
the upper transverse shaft (1) and the lower transverse shaft (3) are arranged in parallel, the upper transverse shaft (1) and the lower transverse shaft (3) are connected through a middle vertical shaft (2), and the upper transverse shaft (1), the middle vertical shaft (2) and the lower transverse shaft (3) are all lead screws;
2 end parts of the upper transverse shaft (1) and the lower transverse shaft (3) are connected through a connecting rod structure, the connecting rod structure comprises a first connecting rod (6) and a second connecting rod (7), one end of the first connecting rod (6) is hinged to the second connecting rod (7), the other end of the first connecting rod is hinged to the end part of the upper transverse shaft (1), one end of the second connecting rod (7) is hinged to the first connecting rod (6), and the other end of the second connecting rod is hinged to the end part of the lower transverse shaft (3);
the 2 ends of the upper transverse shaft (1), the 2 ends of the lower transverse shaft (3) and the hinged positions of the first connecting rod (6) and the second connecting rod (7) are provided with a grapple (4) and an elastic piece (5); the 6 grapples (4) are respectively matched with the six split conductors, and the end parts of the 6 elastic pieces (5) are connected with the middle vertical shaft (2).
2. The special tool for replacing the wire spacer of the +/-800 kV power transmission line as claimed in claim 1, wherein the lead screw is an electric motor lead screw.
3. The special tool for replacing the wire spacer of the +/-800 kV power transmission line according to claim 2, wherein the electric motor lead screw comprises a lead screw lever body and a lead screw adjuster (8) arranged on the lead screw lever body, the lead screw adjuster (8) is used for achieving length adjustment of an upper transverse shaft (1), a middle vertical shaft (2) and a lower transverse shaft (3), two ends of the middle vertical shaft (2) are respectively connected with the lead screw adjusters (8) of the upper transverse shaft (1) and the lower transverse shaft (3), and ends of 6 elastic pieces (5) are connected with the lead screw adjusters (8).
4. The special tool for replacing the wire spacer of the +/-800 kV power transmission line according to claim 3, wherein a lithium battery and an electric motor are arranged in the lead screw regulator (8).
5. The special tool for replacing the wire spacer of the +/-800 kV power transmission line according to claim 3, wherein a display screen (9) and an operating button are arranged on the outer wall of the lead screw regulator (8).
6. The special tool for replacing the wire spacer of the +/-800 kV transmission line according to the claim 1, wherein the grapple (4) is hinged with 2 ends of the upper transverse shaft (1), 2 ends of the lower transverse shaft (3) and the hinged part of the first connecting rod (6) and the second connecting rod (7).
7. The special tool for replacing the wire spacer of the +/-800 kV transmission line according to the claim 1, wherein the outer wall of the grapple (4) is provided with an insulating layer.
8. The special tool for replacing the wire spacer of the +/-800 kV power transmission line as claimed in claim 7, wherein the insulating layer is made of epoxy resin.
9. A special tool for replacing a wire spacer of a +/-800 kV transmission line according to any one of claims 1-8, wherein the elastic member (5) is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922117384.6U CN210608300U (en) | 2019-11-29 | 2019-11-29 | Special tool for replacing wire spacer of +/-800 kV power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922117384.6U CN210608300U (en) | 2019-11-29 | 2019-11-29 | Special tool for replacing wire spacer of +/-800 kV power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210608300U true CN210608300U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922117384.6U Active CN210608300U (en) | 2019-11-29 | 2019-11-29 | Special tool for replacing wire spacer of +/-800 kV power transmission line |
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| Country | Link |
|---|---|
| CN (1) | CN210608300U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752548A (en) * | 2019-11-29 | 2020-02-04 | 国网四川省电力公司检修公司 | Device for replacing wire spacer of +/-800 kV power transmission line and using method |
-
2019
- 2019-11-29 CN CN201922117384.6U patent/CN210608300U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752548A (en) * | 2019-11-29 | 2020-02-04 | 国网四川省电力公司检修公司 | Device for replacing wire spacer of +/-800 kV power transmission line and using method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610000 No. 66 Xinguang Road, hi tech Zone, Sichuan, Chengdu Patentee after: Super high voltage branch of State Grid Sichuan Electric Power Co. Address before: 610000 No. 66 Xinguang Road, hi tech Zone, Sichuan, Chengdu Patentee before: MAINTENANCE COMPANY OF STATE GRID SICHUAN ELECTRIC POWER Co. |