CN110571739B - Safety type supporting device with adjusting function for power transmission line - Google Patents

Safety type supporting device with adjusting function for power transmission line Download PDF

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Publication number
CN110571739B
CN110571739B CN201910858138.8A CN201910858138A CN110571739B CN 110571739 B CN110571739 B CN 110571739B CN 201910858138 A CN201910858138 A CN 201910858138A CN 110571739 B CN110571739 B CN 110571739B
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China
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fixed
pulley
bottom plate
rod
moving
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CN110571739A (en
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赵秀军
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STATE GRID JIANGSU ELECTRIC POWER ENGINEERING CONSULTATION Co.,Ltd.
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State Grid Jiangsu Electric Power Engineering Consultation Co ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00Overhead installations of electric lines or cables
    • H02G7/02Devices for adjusting or maintaining mechanical tension, e.g. take-up device
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00Overhead installations of electric lines or cables
    • H02G7/05Suspension arrangements or devices for electric cables or lines

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  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The invention relates to a safe supporting device with an adjusting function for a power transmission line, which comprises a bottom plate, a first pulley and two second pulleys, wherein the first pulley and the second pulleys are arranged above the bottom plate, the axis of the first pulley is parallel to the bottom plate, the axis of the second pulley is parallel to the axis of the first pulley, the two second pulleys are respectively arranged at two sides of the first pulley, two moving mechanisms are arranged on the bottom plate and correspond to the second pulleys one to one, moving components are positioned between the second pulleys and the bottom plate, a fire fighting mechanism is arranged on the first pulley and is positioned at one side of the first pulley, which is far away from the bottom plate, the safe supporting device with the adjusting function for the power transmission line realizes the function of adjusting the tightness of an electric wire through the moving mechanisms, and not only the safe supporting device with the adjusting function also realizes the function of extinguishing a fire through the fire fighting mechanism, the fire spread of the electric wire when the electric wire is on fire is avoided.

Description

Safety type supporting device with adjusting function for power transmission line
Technical Field
The invention relates to the field of electrical equipment, in particular to a safety type supporting device with an adjusting function for a power transmission line.
Background
The power system mainly comprises two categories of power generation equipment and power supply equipment, wherein the power generation equipment mainly comprises a power station boiler, a steam turbine, a gas turbine, a water turbine, a generator, a transformer and the like, and the power supply equipment mainly comprises power transmission lines, transformers, contactors and the like with various voltage grades.
The existing outdoor electric wire is used in the using process, due to the influence of the ambient temperature, the tightness of the electric wire is easy to change due to the principle of expansion with heat and contraction with cold, when the electric wire is too tight, the electric wire can be pulled, and when the electric wire is too loose, the electric wire is easy to shake under the action force of wind power and the like and collide with other objects, so that the practicability is reduced, moreover, the electric wire can be burnt due to too large load current or environmental factors, but the existing electric wire cannot extinguish fire by itself, the occurrence of fire is easy to cause, and the safety is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, a safety type supporting device with an adjusting function for a power transmission line is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a safe supporting device with an adjusting function for a power transmission line comprises a bottom plate, a first pulley and two second pulleys, the first pulley and the second pulley are both arranged above the bottom plate, the axis of the first pulley is parallel to the bottom plate, the axes of the second pulleys are parallel to the axis of the first pulley, the two second pulleys are respectively arranged at the two sides of the first pulley, the first pulley is positioned between the second pulley and the bottom plate, the first pulley is provided with an electric wire, the electric wire is arranged at the bottom of the first pulley, two ends of the electric wire respectively pass around the two second pulleys, the bottom plate is provided with two moving mechanisms, the moving mechanisms correspond to the second pulleys one by one, the moving mechanisms are positioned between the second pulleys and the bottom plate, the first pulley is provided with a fire fighting mechanism, and the fire fighting mechanism is positioned on one side of the first pulley, which is far away from the bottom plate;
the moving mechanism comprises a fixed pipe, a moving disc and a push rod, the axis of the fixed pipe is perpendicular to the bottom plate, the bottom end of the fixed pipe is hermetically and fixedly connected with the bottom plate, the moving disc is arranged in the fixed pipe, the moving disc and the push rod are coaxially arranged with the fixed pipe, the diameter of the moving disc is equal to the inner diameter of the fixed pipe, the moving disc is slidably and hermetically connected with the inner wall of the fixed pipe, gaps are formed between the top end and the bottom end of the moving disc and the fixed pipe, the diameter of the push rod is smaller than that of the moving disc, the push rod is positioned between a second pulley and the moving disc, and the second pulley is fixedly connected with the moving disc through the push rod;
the fire-fighting mechanism comprises a fire-fighting assembly and a supporting assembly, the fire-fighting assembly comprises a fixed box, a sealing disc, a frit, a collecting frame and two supporting rods, the collecting frame is positioned between two fixed tubes, a first pulley is positioned in the collecting frame and fixed at the bottom of the collecting frame, the fixed box is positioned at one side of a second pulley, which is far away from a bottom plate, and is just opposite to the collecting frame, the first pulley is positioned between the two supporting rods, the supporting rods are vertical to the bottom plate, one end of each supporting rod is fixed at the bottom of the collecting frame, the other end of each supporting rod is fixed at the bottom of the fixed box, quartz sand is arranged in the fixed box, a discharge hole is arranged at the bottom of the fixed box, the axis of the discharge hole is perpendicular to the bottom plate, the discharge hole is just opposite to the collecting box, the sealing disc is coaxial with the discharge hole, and the diameter of the sealing disc is larger than the aperture of the discharge hole, the sealing disc is attached to and hermetically connected with the bottom of the fixing box, the frit is located between the sealing disc and the first pulley, two sides of the frit are fixedly connected with the two support rods respectively, a gap is formed between the frit and the sealing disc, the frit and the sealing disc are fixedly connected, and the support assembly is arranged between the collecting frame and the bottom plate;
the supporting assembly comprises a detection unit and two supporting units, the detection unit comprises a contact switch and a fixed rod, the contact switch is arranged at the bottom of the collecting box, the fixed rod is perpendicular to the bottom plate and is arranged opposite to the contact switch, the bottom end of the fixed rod is fixed on the bottom plate, a gap is formed between the top end of the fixed rod and the contact switch, the bottom plate is provided with a PLC (programmable logic controller) and an antenna, the antenna and the contact switch are electrically connected with the PLC, and the supporting units correspond to the fixed tubes one by one;
the supporting unit comprises a sliding block, a moving rod and a spring, the moving rod is parallel to the fixed rod, the sliding block is fixed on the fixed pipe, the top end of the moving rod is fixed at the bottom of the collecting box, a gap is formed between the bottom end of the moving rod and the bottom plate and is larger than the distance between the contact switch and the fixed rod, the sliding block is sleeved on the moving rod, the distance between the sliding block and the collecting box is larger than the distance between the contact switch and the fixed rod, the spring is located between the collecting box and the sliding block, and the sliding block is connected with the collecting box through the spring.
Preferably, the moving rod is coated with a lubricating oil in order to reduce the frictional force between the moving rod and the slider.
Preferably, in order to facilitate the matching between the moving rod and the sliding block, the moving rod is provided with a chamfer.
As preferred, in order to avoid removing the dish and separating with fixed pipe, all be equipped with the stopper in two fixed pipes, the stopper is fixed on the intraductal top of fixed, be equipped with the clearance between stopper and the removal dish.
Preferably, in order to increase the melting speed of the frit, the frit is made of tin.
Preferably, in order to reduce the gap between the stationary pipe and the moving plate, the inner wall of the stationary pipe is coated with a sealing grease.
Preferably, in order to improve the fire extinguishing efficiency, compressed carbon dioxide gas is arranged in the fixed box.
Preferably, in order to prolong the service life of the bottom plate, the bottom plate is provided with an anti-corrosion zinc coating.
Preferably, a solar panel is arranged at the top of the fixed box for saving energy.
Preferably, in order to improve the heat conduction capability of the fixing tube, the fixing tube is coated with heat-conducting silica gel.
The invention has the advantages that the safe supporting device with the adjusting function for the power transmission line realizes the function of adjusting the tightness of the electric wire through the moving mechanism, compared with the existing moving mechanism, the moving mechanism causes the air pressure change through the change of the environmental temperature and generates the driving force through the air pressure action to push the second pulley to move, can be adjusted in real time, has higher automation degree, does not need electric drive, is more environment-friendly and energy-saving, realizes the function of fire extinguishing through the fire fighting mechanism, avoids the fire spread when the electric wire is on fire, compared with the existing fire fighting mechanism, the fire fighting mechanism realizes the effect of increasing the weight of the collecting frame through the way that quartz sand falls into the collecting frame to extinguish the fire, enables the collecting frame to enable the contact switch to abut against the fixed rod under the self gravity action, and further enables the PLC to control the antenna to alarm, the function of detecting the fire is played, and the practicality is stronger.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the installation structure of the safety type supporting device with the adjusting function for the power transmission line of the invention;
fig. 2 is a cross-sectional view of the safety support device with adjustment function for an electric transmission line of the present invention;
fig. 3 is a schematic structural diagram of a moving mechanism of the safety type supporting device with the adjusting function for the power transmission line, provided by the invention;
FIG. 4 is an enlarged view of portion A of FIG. 2;
in the figure: 1. the solar cell comprises a base plate, 2, a first pulley, 3, a second pulley, 4, a fixed tube, 5, a moving plate, 6, a push rod, 7, a fixed box, 8, a sealing plate, 9, a frit, 10, a collecting frame, 11, a supporting rod, 12, a contact switch, 13, a fixed rod, 14, a sliding block, 15, a moving rod, 16, a spring, 17, a limiting block, 18, a solar panel and 19 an electric wire.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-3, a safe supporting device with an adjusting function for a power transmission line includes a bottom plate 1, a first pulley 2 and two second pulleys 3, wherein the first pulley 2 and the second pulleys 3 are both disposed above the bottom plate 1, an axis of the first pulley 2 is parallel to the bottom plate 1, an axis of the second pulley 3 is parallel to an axis of the first pulley 2, the two second pulleys 3 are respectively disposed at two sides of the first pulley 2, the first pulley 2 is disposed between the second pulley 3 and the bottom plate 1, an electric wire 19 is disposed on the first pulley 2, the electric wire 19 is disposed at a bottom of the first pulley 2, two ends of the electric wire 19 respectively pass around the two second pulleys 3, two moving mechanisms are disposed on the bottom plate 1, the moving mechanisms are in one-to-one correspondence with the second pulleys 3, and are disposed between the second pulleys 3 and the bottom plate 1, a fire fighting mechanism is arranged on the first pulley 2 and is positioned on one side, far away from the bottom plate 1, of the first pulley 2;
the moving mechanism comprises a fixed pipe 4, a moving disc 5 and a push rod 6, wherein the axis of the fixed pipe 4 is perpendicular to the bottom plate 1, the bottom end of the fixed pipe 4 is hermetically and fixedly connected with the bottom plate 1, the moving disc 5 is arranged in the fixed pipe 4, the moving disc 5 and the push rod 6 are coaxially arranged with the fixed pipe 4, the diameter of the moving disc 5 is equal to the inner diameter of the fixed pipe 4, the moving disc 5 is slidably and hermetically connected with the inner wall of the fixed pipe 4, gaps are formed between the top end and the bottom end of the moving disc 5 and the fixed pipe 4, the diameter of the push rod 6 is smaller than that of the moving disc 5, the push rod 6 is positioned between the second pulley 3 and the moving disc 5, and the second pulley 3 is fixedly connected with the moving disc 5 through the push rod 6;
the fire-fighting mechanism comprises a fire-fighting assembly and a supporting assembly, the fire-fighting assembly comprises a fixed box 7, a sealing disc 8, a frit 9, a collecting frame 10 and two supporting rods 11, the collecting frame 10 is positioned between two fixed tubes 4, a first pulley 2 is positioned in the collecting frame 10 and fixed at the bottom of the collecting frame 10, the fixed box 7 is positioned at one side of a second pulley 3, which is far away from a bottom plate 1, and is just opposite to the collecting frame 10, the first pulley 2 is positioned between the two supporting rods 11, the supporting rods 11 are vertical to the bottom plate 1, one end of each supporting rod 11 is fixed at the bottom of the collecting frame 10, the other end of each supporting rod 11 is fixed at the bottom of the fixed box 7, quartz sand is arranged in the fixed box 7, a discharge hole is arranged at the bottom of the fixed box 7, the axis of the discharge hole is perpendicular to the bottom plate 1, and the discharge hole is just opposite to the collecting box, the sealing disc 8 and the discharge hole are coaxially arranged, the diameter of the sealing disc 8 is larger than the aperture of the discharge hole, the sealing disc 8 is attached to the bottom of the fixing box 7 and is in sealing connection with the bottom of the fixing box, the frit 9 is located between the sealing disc 8 and the first pulley 2, two sides of the frit 9 are fixedly connected with two support rods 11 respectively, a gap is formed between the frit 9 and the sealing disc 8 and is fixedly connected with the same, and the support assembly is arranged between the collecting frame 10 and the bottom plate 1;
fixing the bottom plate 1 at the installation position, in the process of transmitting power through the electric wire 19, when the environmental temperature is lower, reducing the air pressure in the fixed tube 4, thereby enabling the movable disc 5 to move towards the direction close to the bottom plate 1 under the action of the air pressure, and driving the second pulley 3 to move towards the direction close to the bottom plate 1 through the push rod 6, thereby loosening the electric wire 19, avoiding the electric wire 19 from being broken due to the principle of expansion with heat and contraction with cold when the temperature is lower, when the temperature is higher, increasing the air pressure in the fixed tube 4, thereby enabling the movable disc 5 to drive the second pulley 3 to move towards the direction far from the bottom plate 1 through the push rod 6, thereby tensioning the electric wire 19, avoiding the electric wire 19 from being too loose and generating great shaking, realizing the function of adjusting the tightness, meanwhile, when the electric wire 19 is ignited due to some reasons and spreads to the position of the first pulley 2, melting the fusion cake 9 through the heat generated by combustion, so that the sealing disc 8 is separated from the fixed box 7 under the action of the gravity of the sealing disc, and at the moment, the quartz sand in the fixed box 7 is discharged from the discharge hole and falls into the collecting frame 10, so that the first pulley 2 is submerged in the quartz sand to extinguish the fire through the quartz sand.
As shown in fig. 4, the supporting assembly includes a detecting unit and two supporting units, the detecting unit includes a contact switch 12 and a fixing rod 13, the contact switch 12 is disposed at the bottom of the collecting box, the fixing rod 13 is perpendicular to the bottom plate 1 and is disposed opposite to the contact switch 12, the bottom end of the fixing rod 13 is fixed on the bottom plate 1, a gap is disposed between the top end of the fixing rod 13 and the contact switch 12, the bottom plate 1 is provided with a PLC and an antenna, the antenna and the contact switch 12 are both electrically connected to the PLC, and the supporting units correspond to the fixing tubes 4 one by one;
the supporting unit comprises a sliding block 14, a moving rod 15 and a spring 16, the moving rod 15 is parallel to the fixed rod 13, the sliding block 14 is fixed on the fixed pipe 4, the top end of the moving rod 15 is fixed at the bottom of the collecting box, a gap is formed between the bottom end of the moving rod 15 and the bottom plate 1 and is larger than the distance between the contact switch 12 and the fixed rod 13, the sliding block 14 is sleeved on the moving rod 15, the distance between the sliding block 14 and the collecting box is larger than the distance between the contact switch 12 and the fixed rod 13, the spring 16 is located between the collecting box and the sliding block 14, and the sliding block 14 is connected with the collecting box through the spring 16.
After the quartz sand falls into the collection box, the weight of the collection box is increased, so that the collection box drives the movable rod 15 to move on the slide block 14 towards the direction close to the bottom plate 1, and the spring 16 is compressed, at the moment, the movement of the collection box drives the contact switch 12 to abut against the fixed rod 13, so that the contact switch 12 sends a signal to the PLC, the PLC is a programmable logic controller, the PLC adopts a programmable memory for storing programs therein, executing instructions facing users such as logic operation, sequence control, timing, counting, arithmetic operation and the like, and controlling various types of machinery or production processes through digital or analog input and output, the PLC is a computer specially used for industrial control, the hardware structure of the PLC is basically the same as that of a microcomputer, the PLC is generally used for data processing and instruction receiving and output, and is used for realizing central control, so that a PLC control antenna can send a signal to relevant departments, the fire alarm effect is realized, and the fire fighter can take corresponding measures as soon as possible.
Preferably, in order to reduce the friction between the moving rod 15 and the slider 14, the moving rod 15 is coated with a lubricating oil.
The lubricating oil functions to reduce the frictional force between the moving rod 15 and the slider 14, so that the smoothness of movement of the moving rod 15 can be improved.
Preferably, in order to facilitate the engagement between the moving rod 15 and the slider 14, the moving rod 15 is provided with a chamfer.
The chamfer serves to reduce the diameter of the travel bar 15 as it passes through the slide 14, facilitating the mating of the slide 14 with the travel bar 15.
Preferably, in order to avoid the separation of the movable disc 5 and the fixed tubes 4, the two fixed tubes 4 are internally provided with a limiting block 17, the limiting block 17 is fixed at the top end of the fixed tube 4, and a gap is formed between the limiting block 17 and the movable disc 5.
The limiting block 17 is used for preventing the moving disc 5 from excessively moving towards the direction far away from the bottom plate 1 in the fixed pipe 4 and separating from the fixed pipe 4, so that the limiting effect is achieved.
Preferably, in order to increase the melting speed of the frit 9, the frit 9 is made of tin.
The melting point of tin is lower, so that the melting speed of the fusion block 9 can be increased, namely, the speed of quartz sand falling into the collecting frame 10 is increased, and the fire extinguishing efficiency is improved.
Preferably, in order to reduce the gap between the fixed tube 4 and the moving plate 5, the inner wall of the fixed tube 4 is coated with a sealing grease.
The sealing grease reduces the gap between the fixed tube 4 and the movable plate 5, and improves the sealing property.
Preferably, in order to improve the fire extinguishing efficiency, compressed carbon dioxide gas is provided in the fixed box 7.
After sealing dish 8 and fixed case 7 separation, can promote quartz sand from bin outlet exhaust speed through compressed carbon dioxide gas, simultaneously, use the ignition point through carbon dioxide, can further promote fire extinguishing efficiency.
Preferably, in order to prolong the service life of the bottom plate 1, the bottom plate 1 is provided with an anti-corrosion zinc coating.
The function of anticorrosive zinc coating is the rust-resistant ability that promotes bottom plate 1, prolongs the life of bottom plate 1.
Preferably, a solar panel 18 is arranged on the top of the fixed box 7 for saving energy.
The solar panel 18 absorbs light to realize photovoltaic power generation, and the generated energy provides the device for operation, so that energy is saved.
Preferably, in order to improve the heat conduction capability of the fixing tube 4, the fixing tube 4 is coated with heat-conducting silica gel.
The effect of heat conduction silica gel promotes the ability and the speed that fixed pipe 4 absorbed the heat, improves the promptness that removes dish 5 and remove.
The device is during the use, fixed pipe 4 changes the change of inside atmospheric pressure through ambient temperature's change, and make the movable plate 5 drive second pulley 3 through push rod 6 and remove through the change of atmospheric pressure, the effect of adjusting the 19 elasticity of electric wire is realized through the removal of second pulley 3, avoid electric wire 19 too loose or tension, and simultaneously, when electric wire 19 is on fire, through falling into the collection frame 10 with quartz sand in, and make second pulley 3 submerge in quartz sand, thereby make electric wire 19 of second pulley 3 department realize putting out a fire, avoid the fire on the electric wire 19 to produce along electric wire 19 and spread.
Compared with the prior art, the safe supporting device with the adjusting function for the 19-way transmission line realizes the function of adjusting the tightness of the electric wire 19 through the moving mechanism, compared with the existing moving mechanism, the moving mechanism causes the air pressure change through the change of the environmental temperature and generates the driving force through the air pressure action to realize the pushing of the second pulley 3 to move, the automatic degree is higher, the electric driving is not needed, the safe supporting device is more environment-friendly and energy-saving, moreover, the fire extinguishing function is realized through the fire fighting mechanism, the fire spreading when the electric wire 19 catches fire is avoided, compared with the existing fire fighting mechanism, the fire fighting mechanism realizes the fire extinguishing mode through the quartz sand falling into the collecting frame 10, the effect of increasing the weight of the collecting frame 10 is also realized, the collecting frame 10 enables the contact switch 12 to be abutted against the fixed rod 13 under the self gravity action, and the PLC control antenna realizes the alarm, the function of detecting the fire is played, and the practicality is stronger.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (10)

1. The safe supporting device with the adjusting function for the power transmission line is characterized by comprising a bottom plate (1), a first pulley (2) and two second pulleys (3), wherein the first pulley (2) and the second pulleys (3) are arranged above the bottom plate (1), the axis of the first pulley (2) is parallel to the bottom plate (1), the axis of the second pulley (3) is parallel to the axis of the first pulley (2), the two second pulleys (3) are respectively arranged on two sides of the first pulley (2), the first pulley (2) is positioned between the second pulley (3) and the bottom plate (1), an electric wire (19) is arranged on the first pulley (2), the electric wire (19) is arranged at the bottom of the first pulley (2), two ends of the electric wire (19) are respectively wound around the two second pulleys (3), two moving mechanisms are arranged on the bottom plate (1), the moving mechanisms correspond to the second pulleys (3) one by one, the moving mechanisms are located between the second pulleys (3) and the bottom plate (1), the first pulleys (2) are provided with fire fighting mechanisms, and the fire fighting mechanisms are located on one sides, far away from the bottom plate (1), of the first pulleys (2);
the moving mechanism comprises a fixed pipe (4), a moving disc (5) and a push rod (6), the axis of the fixed pipe (4) is vertical to the bottom plate (1), the bottom end of the fixed pipe (4) is hermetically and fixedly connected with the bottom plate (1), the movable disc (5) is arranged in the fixed pipe (4), the movable disc (5) and the push rod (6) are coaxially arranged with the fixed pipe (4), the diameter of the movable disc (5) is equal to the inner diameter of the fixed pipe (4), the movable disc (5) is connected with the inner wall of the fixed pipe (4) in a sliding and sealing way, gaps are arranged between the movable disc (5) and the top end and the bottom end of the fixed tube (4), the diameter of the push rod (6) is smaller than that of the moving disc (5), the push rod (6) is positioned between the second pulley (3) and the moving disc (5), the second pulley (3) is fixedly connected with the movable disc (5) through a push rod (6);
the fire fighting mechanism comprises a fire fighting assembly and a supporting assembly, the fire fighting assembly comprises a fixed box (7), a sealing disc (8), a frit (9), a collecting frame (10) and two supporting rods (11), the collecting frame (10) is positioned between two fixed pipes (4), a first pulley (2) is positioned in the collecting frame (10) and fixed at the bottom of the collecting frame (10), the fixed box (7) is positioned at one side of a second pulley (3) far away from a bottom plate (1) and is opposite to the collecting frame (10), the first pulley (2) is positioned between the two supporting rods (11), the supporting rods (11) are perpendicular to the bottom plate (1), one end of each supporting rod (11) is fixed at the bottom of the collecting frame (10), the other end of each supporting rod (11) is fixed at the bottom of the fixed box (7), and quartz sand is arranged in the fixed box (7), the bottom of the fixed box (7) is provided with a discharge hole, the axis of the discharge hole is perpendicular to the bottom plate (1), the discharge hole is just opposite to the collecting box, the sealing disc (8) is coaxial with the discharge hole, the diameter of the sealing disc (8) is larger than the aperture of the discharge hole, the sealing disc (8) is attached to the bottom of the fixed box (7) and is in sealing connection with the bottom of the fixed box, the frit (9) is located between the sealing disc (8) and the first pulley (2), two sides of the frit (9) are respectively fixedly connected with the two support rods (11), a gap is formed between the frit (9) and the sealing disc (8), and the support assembly is arranged between the collecting frame (10) and the bottom plate (1);
the supporting assembly comprises a detection unit and two supporting units, the detection unit comprises a contact switch (12) and a fixing rod (13), the contact switch (12) is arranged at the bottom of the collecting box, the fixing rod (13) is perpendicular to the bottom plate (1) and is arranged opposite to the contact switch (12), the bottom end of the fixing rod (13) is fixed on the bottom plate (1), a gap is formed between the top end of the fixing rod (13) and the contact switch (12), the bottom plate (1) is provided with a PLC (programmable logic controller) and an antenna, the antenna and the contact switch (12) are electrically connected with the PLC, and the supporting units correspond to the fixing tubes (4) one by one;
the supporting unit comprises a sliding block (14), a moving rod (15) and a spring (16), the moving rod (15) is parallel to the fixed rod (13), the sliding block (14) is fixed on the fixed pipe (4), the top end of the moving rod (15) is fixed at the bottom of the collecting box, a gap is formed between the bottom end of the moving rod (15) and the bottom plate (1) and is larger than the distance between the contact switch (12) and the fixed rod (13), the sliding block (14) is sleeved on the moving rod (15), the distance between the sliding block (14) and the collecting box is larger than the distance between the contact switch (12) and the fixed rod (13), the spring (16) is located between the collecting box and the sliding block (14), and the sliding block (14) is connected with the collecting box through the spring (16).
2. Safety support device with adjustment function for electric transmission lines according to claim 1, characterized in that the mobile bar (15) is coated with lubricating oil.
3. Safety support device with adjustment function for electric transmission lines according to claim 1, characterized in that said mobile bar (15) is provided with a chamfer.
4. The safety type supporting device with the adjusting function for the power transmission line according to claim 1, wherein a limiting block (17) is arranged in each of the two fixed tubes (4), the limiting block (17) is fixed at the top end in each fixed tube (4), and a gap is formed between the limiting block (17) and the movable disc (5).
5. Safety support device with adjustment function for electric transmission lines according to claim 1, characterized in that the frit (9) is made of tin.
6. The safety type support device with adjustment function for electric transmission lines according to claim 1, characterized in that the inner wall of the fixed tube (4) is coated with sealing grease.
7. Safety support device with regulation function for electric transmission lines according to claim 1, characterized in that inside the fixed box (7) there is compressed carbon dioxide gas.
8. The safety type supporting device with the adjusting function for the power transmission line according to claim 1, wherein the bottom plate (1) is provided with an anti-corrosion zinc coating.
9. Safety support device with adjustment function for electric transmission lines according to claim 1, characterized in that the top of the fixed box (7) is provided with solar panels (18).
10. The safety type supporting device with the adjusting function for the power transmission line according to claim 1, wherein the fixing tube (4) is coated with heat-conducting silica gel.
CN201910858138.8A 2019-09-11 2019-09-11 Safety type supporting device with adjusting function for power transmission line Active CN110571739B (en)

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Application Number Priority Date Filing Date Title
CN201910858138.8A CN110571739B (en) 2019-09-11 2019-09-11 Safety type supporting device with adjusting function for power transmission line

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Application Number Priority Date Filing Date Title
CN201910858138.8A CN110571739B (en) 2019-09-11 2019-09-11 Safety type supporting device with adjusting function for power transmission line

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CN110571739B true CN110571739B (en) 2021-08-06

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CN111917089B (en) * 2020-07-19 2021-09-07 杭州盛通科技有限公司 Fixing assembly convenient for adjusting cable length
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