CN110474269B - Safety wire slot for preventing short circuit - Google Patents
Safety wire slot for preventing short circuit Download PDFInfo
- Publication number
- CN110474269B CN110474269B CN201910798652.7A CN201910798652A CN110474269B CN 110474269 B CN110474269 B CN 110474269B CN 201910798652 A CN201910798652 A CN 201910798652A CN 110474269 B CN110474269 B CN 110474269B
- Authority
- CN
- China
- Prior art keywords
- cavity
- driven
- sliding
- gear
- cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H37/36—Thermally-sensitive members actuated due to expansion or contraction of a fluid with or without vaporisation
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
- H02G3/0412—Heat or fire protective means
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
- H02H3/042—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned combined with means for locating the fault
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a short-circuit prevention safety wire casing, which comprises a wire casing, wherein the lower end of the wire casing is provided with a pipeline for placing a circuit, two identical driven cavities are arranged on two sides of the upper end of the wire casing, a transmission cavity is also arranged on the upper end of the wire casing, the upper side of the pipeline is provided with a heat absorption cavity, an electric wire is arranged in the pipeline, a transmission mechanism for providing power for the device is arranged in the transmission cavity, cutting mechanisms for cutting off power are arranged in the two driven cavities, an exhaust mechanism for extinguishing fire when a circuit is short-circuited and spontaneously ignites is also arranged in the driven cavity on the right side, when the device is used, the device can automatically identify the short circuit spontaneous combustion position, automatically cut off the short circuit line section and disconnect the short circuit line section from other lines, timely control the area to extinguish fire, and start the alarm of the area section to facilitate timely maintenance of the line section.
Description
Technical Field
The invention relates to the field of circuits, in particular to a short-circuit prevention safety wire slot.
Background
With the improvement of living standard, various electrical appliances are used in families, a plurality of potential safety hazards exist while enjoying life, and when electricity is used, the phenomenon of short circuit of a circuit is inevitable, so that fire disasters are possible;
at the present stage, a general trunking only has a function of placing a line, and protective measures taken when the line is short-circuited are not in place enough, so that the safety of residents cannot be well guaranteed, and the short-circuited line cannot be timely and effectively warned, so that the position of the short circuit cannot be timely determined.
Disclosure of Invention
The invention aims to solve the technical problem of providing a short-circuit prevention safety wire slot, solves the problems that the wire slot cannot be safely powered off and cannot be rescued in time and the like, and improves the power-off function and the rescue function of the wire slot.
The invention is realized by the following technical scheme.
The invention relates to a short-circuit prevention safety wire groove which comprises a wire groove shell, wherein a pipeline for placing a circuit is arranged at the lower end of the wire groove shell, two identical driven cavities are arranged on two sides of the upper end of the wire groove shell, a transmission cavity is also arranged at the upper end of the wire groove shell, a heat absorption cavity is arranged at the upper side of the pipeline, an electric wire is placed in the pipeline, a transmission mechanism for providing power for a device is arranged in the transmission cavity, a cutting mechanism for cutting off the power is arranged in each of the two driven cavities, and an exhaust mechanism for extinguishing the fire when the circuit is short-circuited and spontaneously ignites is also arranged in the driven cavity on the right side;
the heat absorption cavity is internally provided with a power-on mechanism of an induction short circuit spontaneous combustion starting device, the driven cavity comprises a cutting cavity positioned at the lower side of the driven cavity, the upper wall of the driven cavity is slidably connected with a rack with one end extending into the cutting cavity, the lower end face of the rack is fixedly connected with a push plate, the lower end face of the push plate is fixedly connected with an insulating heat-resistant cutting knife, the upper end face of the push plate at the left side is fixedly connected with two tension springs, the upper ends of the tension springs are connected with the upper wall of the cutting cavity, the upper end face of the push plate is also connected with a lock chain, the left wall of the driven cavity at the left side is rotatably connected with a rotating shaft, the left end of the rotating shaft is provided with a rotating gear meshed and connected with the rack, the right end of the rotating shaft is, an inclined plane block capable of sliding left and right in the block cavity is arranged in the block cavity on the right side, the left end face of the inclined plane block is fixedly connected with an elastic spring, the left end of the elastic spring is connected with the left cavity wall of the block cavity, the left end face of the inclined plane block is connected with a hemp rope, two supporting plates located on the lower side of the cutting cavity are arranged at the left end and the right end of the pipeline, and the cutting knife can slide up and down between the two supporting plates;
when a fire disaster occurs in the local short circuit of the line, the electrifying mechanism can sense the fire disaster, then the warning lamp is lightened, the transmission mechanism starts to work, the section of the line tank shell is isolated to form a closed space under the action of the cutting mechanism, and finally the exhaust mechanism is used for extracting air in the section of the line tank shell to perform fire extinguishing treatment.
Further, the transmission mechanism comprises a motor fixed on the upper cavity wall of the transmission cavity, the lower end of the motor is in power connection with a transmission shaft, the transmission shaft is provided with a first bevel gear, the left and right cavity walls of the transmission cavity are in rotational connection with a driven shaft extending into the two driven cavities, the right end of the driven shaft at the left side is provided with a second bevel gear in meshing connection with the first bevel gear, the left end of the driven shaft at the right side is provided with a third bevel gear in meshing connection with the first bevel gear, the two driven shafts are in key connection with sliding gears positioned in the driven cavities, the sliding gear at the right side is taken as an explanation object, a sliding cavity with a left opening is arranged in the sliding gear, a sliding block capable of sliding in the cavity is arranged in the sliding cavity, the left end face of the sliding block is fixedly connected with one end, the driven shaft is provided with an annular plate located on the right side of the sliding gear, and the right end of the reset spring is fixedly connected with the left end face of the annular plate.
The power supply device comprises a power supply cavity, a power supply, an elastic spring, a power supply cavity, a conductive block and a lead, wherein the power supply cavity is fixedly connected with the right end of the power supply cavity, the power supply cavity is fixedly connected with the power supply cavity, the power supply cavity is arranged on the upper end of the power supply cavity, the power supply cavity is fixedly connected with the power supply cavity, the power supply cavity is arranged on the lower end of the power supply cavity, the piston cavity is provided with a piston cavity with a downward.
Further, the exhaust mechanism comprises an exhaust port which is positioned at the upper side of the pipeline and communicated with the external space, the right side of the exhaust mechanism is rotatably connected with a rotating rod with one end extending into the exhaust port from the left cavity wall of the driven cavity, the left end of the rotating rod is provided with a rotating gear which can be engaged and connected with the sliding gear, the left end of the rotating rod is provided with a fourth bevel gear, the lower end of the exhaust port is provided with a moving cavity, a moving plate which can slide left and right in the cavity is arranged in the moving cavity, the left end surface of the moving plate is provided with a contraction spring which is connected with the left cavity wall of the moving cavity, the right end surface of the moving plate is connected with a pull rope, the left end surface of the push plate at the right side is connected with one end of the pull rope, the upper end of the exhaust port is fixed with a partition, an alarm is arranged on the upper end face of the wire casing.
Further, in an initial state, the chain is in a loose state, when the push plate moves downwards to the lower side of the inclined plane block, the chain is tensioned, and the sliding gear is disengaged from the connecting gear and is engaged with the rotating gear.
Further, the maximum static friction force of the sliding gear when sliding on the driven shaft is smaller than the pulling force of the return spring on the sliding gear.
Further, in the initial state, the hemp rope is in a tensioning state, and when the piston moves upwards, the hemp rope starts to be loosened.
Furthermore, when the two cutting knives descend to cut off the electric wire and enable the pipeline to form a closed space, the moving plate is just pulled to move rightwards through the pull rope.
Further, the tension of the contraction spring is larger than the friction force applied to the moving plate when the moving plate slides in the moving cavity.
The invention has the beneficial effects that: the device simple structure, the simple operation, the device is when using, and the device can automatic identification short circuit spontaneous combustion position to cut off this section short-circuit line automatically and other circuit disconnection, in time control this region is put out a fire and is handled, and opens the regional police dispatch newspaper of this section, in order to make things convenient for in time to maintain this section of circuit.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure at A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram at B in FIG. 1 according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram at C in fig. 1 according to an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The short circuit prevention safety wire casing described with reference to fig. 1-4 includes a wire casing 10, a pipeline 11 for accommodating a circuit is disposed at the lower end of the wire casing 10, two identical driven chambers 20 are disposed at two sides of the upper end of the wire casing 10, a transmission chamber 27 is further disposed at the upper end of the wire casing 10, a heat absorption chamber 50 is disposed at the upper side of the pipeline 11, an electric wire 12 is disposed in the pipeline 11, a transmission mechanism 32 for providing power for the device is disposed in the transmission chamber 27, cutting mechanisms 40 for cutting off power are disposed in both driven chambers 20, an exhaust mechanism 39 for extinguishing fire when the circuit is short-circuited and spontaneously ignited is disposed in the driven chamber 20 at the right side, a power-on mechanism 52 for inducing short circuit and spontaneously-igniting a device is disposed in the heat absorption chamber 50, the driven chamber 20 includes a cutting chamber 14 located at the lower side of the driven chamber 20, a rack 21 with one end extending into the cutting chamber 14 is slidably connected to the upper wall of the, the lower end face of the rack 21 is fixedly connected with a push plate 15, the lower end face of the push plate 15 is fixedly connected with an insulating heat-resistant cutting knife 13, the upper end face of the left push plate 15 is fixedly connected with two tension springs 16, the upper ends of the tension springs 16 are connected with the upper cavity wall of the cutting cavity 14, the upper end face of the push plate 15 is also connected with a chain 53, the left cavity wall of the left driven cavity 20 on the left side is rotatably connected with a rotating shaft 18, the left end of the rotating shaft 18 is provided with a rotating gear 19 engaged and connected with the rack 21, the right end of the rotating shaft 18 is provided with a connecting gear 23, the right cavity wall of the cutting cavity 14 on the left side and the left cavity wall of the cutting cavity 14 on the right side on the left side are respectively provided with a stopper cavity 59 with a left opening and a right opening, an inclined block 60 capable of sliding left and right in the cavity is arranged in the stopper cavity, the left end face of the inclined plane block 60 is connected with a hemp rope 57, two supporting plates 51 positioned on the lower side of the cutting cavity 14 are arranged at the left end and the right end of the pipeline 11, the two cutting knives 13 can slide up and down in the middle of the cutting knife 5, when a fire disaster occurs in a short circuit part of the circuit, the electrifying mechanism 52 can sense the fire disaster and then light up a warning lamp, the transmission mechanism 32 starts to work, the cutting mechanism 40 isolates the section of the wire casing 10 to form a closed space, and finally the exhaust mechanism 39 extracts the air in the wire casing 10 to extinguish the fire.
Advantageously, the transmission mechanism 32 includes a motor 28 fixed on the upper cavity wall of the transmission cavity 27, a transmission shaft 29 is dynamically connected to the lower end of the motor 28, a first bevel gear 30 is disposed on the transmission shaft 29, a driven shaft 25 extending into the two driven cavities 20 is rotatably connected to each of the left and right cavity walls of the transmission cavity 27, a second bevel gear 26 engaged with the first bevel gear 30 is disposed at the right end of the driven shaft 25 on the left side, a third bevel gear 31 engaged with the first bevel gear 30 is disposed at the left end of the driven shaft 25 on the right side, a sliding gear 36 located in the driven cavity 20 is keyed on each of the two driven shafts 25, the sliding gear 36 on the right side is taken as an illustration object, a sliding cavity 54 with a left opening is disposed in the sliding gear 36, a sliding block 56 slidable in the sliding cavity is disposed in the sliding cavity 54, and one end of the chain 53 is fixedly connected to, two return springs 55 are fixedly connected to the right end face of the sliding gear 36, the annular plate 22 located on the right side of the sliding gear 36 is arranged on the driven shaft 25, and the right end of each return spring 55 is fixedly connected with the left end face of the annular plate 22.
Beneficially, the electrifying mechanism 52 comprises an endothermic plate 49 fixed at the lower end of the endothermic chamber 50, a piston chamber 68 with a downward opening is arranged on the upper chamber wall of the endothermic chamber 50, a piston 61 capable of sliding up and down in the chamber is arranged in the piston chamber 68, two elastic springs 62 are arranged on the upper end face of the piston 61, two identical hemp ropes 57 are further connected to the upper end of the piston 61, the upper end of the elastic spring 62 is connected with the upper chamber wall of the piston chamber 68, an ejector rod 69 is fixedly connected to the upper end face of the piston 61, a power supply chamber 64 is arranged on the upper side of the piston chamber 68, a mobile power supply 66 capable of moving left and right in the chamber is arranged at the left end of the power supply chamber 64, an elastic spring 65 is arranged at the left end of the mobile power supply 66 and connected with the left chamber wall of the power supply chamber 64, a conductive block.
Advantageously, the exhaust mechanism 39 comprises an exhaust port 34 located at the upper side of the pipeline 11 and communicated with the external space, the right side of the left cavity wall of the driven cavity 20 is rotatably connected with a rotating rod 37, one end of the rotating rod 37 extends into the exhaust port 34, the left end of the rotating rod 37 is provided with a rotating gear 38 engaged with the sliding gear 36, the left end of the rotating rod 37 is provided with a fourth bevel gear 35, the lower end of the exhaust port 34 is provided with a moving cavity 42, a moving plate 47 capable of sliding left and right in the cavity is arranged in the moving cavity 42, the left end surface of the moving plate 47 is provided with a contracting spring 48 connected with the left cavity wall of the moving cavity 42, the right end surface of the moving plate 47 is connected with a pull rope 41, the left end surface of the push plate 15 at the right side is connected with one end of the pull rope 41, the upper end of the exhaust port 34 is fixed with a partition plate 43, the, two fan blades 44 are arranged at the lower end of the rotating shaft 45, and an alarm 24 is arranged on the upper end face of the slotted case 10.
Advantageously, in the initial condition, the chain 53 is in a slack condition, and when the push plate 15 moves downwards to the lower side of the bevel block 60, the chain 53 is tensioned, and the sliding gear 36 is disengaged from the connecting gear 23 and engaged with the rotating gear 38.
Advantageously, the maximum static friction force of the sliding gear 36 sliding on the driven shaft 25 is less than the pull force of the return spring 55 on the sliding gear 36.
Advantageously, in the initial state, the twine 57 is under tension, and when the piston 61 moves upwards, the twine 57 starts to slacken.
Advantageously, when the two cutting blades 13 are lowered to cut the electric wire 12 and form the closed space in the pipe 11, the moving plate 47 is just pulled to the right by the pulling rope 41.
Advantageously, the tension of the retraction spring 48 is greater than the friction to which the moving plate 47 is subjected when it slides inside the moving chamber 42.
Sequence of mechanical actions of the whole device: 1: when the electric wire 12 is in short circuit and self-ignites, the temperature in the pipeline 11 rises, air in the heat absorption cavity 50 begins to expand under the heat absorption action of the heat absorption plate 49, the air pressure in the heat absorption cavity 50 rises, so that the piston 61 is pushed to move upwards, the two hemp ropes 57 on the piston 61 are loosened, the two inclined plane blocks 60 are popped out from the block cavity 59, so that the mobile power supply 66 is pushed to move rightwards through the ejector rod 69, the conductive block 67 is connected with the mobile power supply 66, and the alarm 24 and the motor 28 begin to work; 2: the motor 28 works to drive the transmission shaft 29 to rotate, so as to drive the first bevel gear 30 to rotate, so as to drive the second bevel gear 26 and the third bevel gear 31 which are in meshed connection with the first bevel gear to rotate, so as to drive the two driven shafts 25 to rotate, so as to drive the two sliding gears 36 to rotate, so as to drive the two connecting gears 23 which are in meshed connection with the first bevel gear to rotate, so as to drive the two rotating shafts 18 to rotate, so as to drive the two rotating gears 19 to rotate, so as to drive the racks 21 which are in meshed connection with the first bevel gear to move downwards, so as to push the push plate 15 and the cutting knife 13 at the lower end of the push plate 15 to move downwards to; 3: when the push plate 15 on the right moves downwards, the chain 53 and the pull rope 41 are tensioned, finally the sliding gear 36 is pulled to move leftwards through the chain 53 and the pull rope 41 to be disengaged from the cutting knife 13 on the right and engaged with the rotating gear 38, the moving plate 47 is pulled to move rightwards through the pull rope 41, so that the exhaust port 34 is communicated with the pipeline 11, the sliding gear 36 rotates to drive the rotating gear 38 to rotate, so that the rotating rod 37 is driven to rotate, the fourth bevel gear 35 is driven to rotate, the fifth bevel gear 33 engaged and connected with the fourth bevel gear is driven to rotate, so that the exhaust mechanism 39 and the fan blade 44 at the lower end of the exhaust mechanism 39 are driven to rotate, so that air in the pipeline 11 is pumped away, and the purpose; 4: after the fire extinguishing is finished, the temperature in the pipeline 11 is reduced, the temperature in the heat absorption cavity 50 is reduced, the air pressure is reduced, the piston 61 moves downwards under the action of the two elastic springs 62 to reset, so that the two hemp ropes 57 are tensioned again, the mobile power supply 66 loses the pushing force of the ejector rod 69 and resets under the action of the elastic spring 65, the alarm 24 and the motor 28 stop working, the push plate 15 and the cutting cavity 14 move upwards under the action of the two tension springs 16 to reset, so that the pull rope 41 and the lock chain 53 are loosened, the moving plate 47 moves downwards under the action of the contraction spring 48 to reset, and the sliding gear 36 resets under the action of the reset spring 55 to be meshed with the connecting gear 23 again.
Claims (9)
1. The utility model provides a prevent short circuit safety wire casing, includes the wire casing which characterized in that: the line extinguishing device is characterized in that a pipeline for placing a line is arranged at the lower end of the line casing, two identical driven cavities are arranged on two sides of the upper end of the line casing, a transmission cavity is further arranged at the upper end of the line casing, a heat absorption cavity is arranged on the upper side of the pipeline, an electric wire is placed in the pipeline, a transmission mechanism for providing power for the device is arranged in the transmission cavity, cutting mechanisms for cutting off power are arranged in the two driven cavities, and an exhaust mechanism for extinguishing when the line is in short circuit and spontaneously ignites is further arranged in the driven cavity on the right side; the heat absorption cavity is internally provided with a power-on mechanism of an induction short circuit spontaneous combustion starting device, the driven cavity comprises a cutting cavity positioned at the lower side of the driven cavity, the upper wall of the driven cavity is slidably connected with a rack with one end extending into the cutting cavity, the lower end face of the rack is fixedly connected with a push plate, the lower end face of the push plate is fixedly connected with an insulating heat-resistant cutting knife, the upper end face of the push plate at the left side is fixedly connected with two tension springs, the upper ends of the tension springs are connected with the upper wall of the cutting cavity, the upper end face of the push plate is also connected with a lock chain, the left wall of the driven cavity at the left side is rotatably connected with a rotating shaft, the left end of the rotating shaft is provided with a rotating gear meshed and connected with the rack, the right end of the rotating shaft is, an inclined plane block capable of sliding left and right in the block cavity is arranged in the block cavity on the right side, the left end face of the inclined plane block is fixedly connected with an elastic spring, the left end of the elastic spring is connected with the left cavity wall of the block cavity, the left end face of the inclined plane block is connected with a hemp rope, two supporting plates located on the lower side of the cutting cavity are arranged at the left end and the right end of the pipeline, and the cutting knife can slide up and down between the two supporting plates; when a fire disaster occurs in the local short circuit of the line, the electrifying mechanism can sense the fire disaster, then the warning lamp is lightened, the transmission mechanism starts to work, the section of the line tank shell is isolated to form a closed space under the action of the cutting mechanism, and finally the exhaust mechanism is used for extracting air in the section of the line tank shell to perform fire extinguishing treatment.
2. The safety wire slot for preventing short circuit according to claim 1, wherein: the transmission mechanism comprises a motor fixed on the upper cavity wall of the transmission cavity, the lower end of the motor is in power connection with a transmission shaft, the transmission shaft is provided with a first bevel gear, the left and right cavity walls of the transmission cavity are respectively and rotatably connected with a driven shaft extending into the two driven cavities, the right end of the driven shaft at the left side is provided with a second bevel gear in meshing connection with the first bevel gear, the left end of the driven shaft at the right side is provided with a third bevel gear in meshing connection with the first bevel gear, the two driven shafts are respectively in key connection with a sliding gear positioned in the driven cavities, the sliding gear at the right side is taken as an explanation object, a sliding cavity with a left opening is arranged in the sliding gear, a sliding block capable of sliding in the cavity is arranged in the sliding cavity, the left end face of the sliding block is, the driven shaft is provided with an annular plate located on the right side of the sliding gear, and the right end of the reset spring is fixedly connected with the left end face of the annular plate.
3. The safety trunking of claim 2, wherein: the power-on mechanism comprises a heat absorption plate fixed at the lower end of the heat absorption cavity, a piston cavity with a downward opening is arranged on the upper cavity wall of the heat absorption cavity, a piston capable of sliding up and down in the cavity is arranged in the piston cavity, two elastic springs are arranged on the upper end face of the piston, two identical hemp ropes are connected to the upper end of the piston, the upper end of each elastic spring is connected with the upper cavity wall of the piston cavity, a push rod is fixedly connected to the upper end face of the piston, a power supply cavity is arranged on the upper side of the piston cavity, a mobile power supply capable of moving left and right in the cavity is arranged at the left end of the power supply cavity, each elastic spring is arranged at the left end of the mobile power supply and connected with the left cavity.
4. A short-circuit prevention safety trunking according to claim 3, wherein: the exhaust mechanism comprises an exhaust port which is positioned at the upper side of the pipeline and communicated with the external space, the right side of the exhaust mechanism is rotatably connected with a rotating rod with one end extending into the exhaust port from the left cavity wall of the driven cavity, the left end of the rotating rod is provided with a rotating gear which can be engaged and connected with the sliding gear, the left end of the rotating rod is provided with a fourth bevel gear, the lower end of the exhaust port is provided with a moving cavity, the moving cavity is internally provided with a moving plate which can slide left and right in the cavity, the left end surface of the moving plate is provided with a contraction spring which is connected with the left cavity wall of the moving cavity, the right end surface of the moving plate is connected with a pull rope, the left end surface of the push plate at the right side is connected with one end of the pull rope, the upper end of the exhaust port is fixed, an alarm is arranged on the upper end face of the wire casing.
5. The safety trunking of claim 4, wherein: in an initial state, the chain is in a loose state, when the push plate moves downwards to the lower side of the inclined plane block, the chain is tensioned, and the sliding gear is disengaged from the connecting gear and is engaged with the rotating gear.
6. The safety trunking of claim 5, wherein: the maximum static friction force of the sliding gear when sliding on the driven shaft is smaller than the pulling force of the reset spring to the sliding gear.
7. The safety trunking of claim 6, wherein: in the initial state, the hemp rope is in a tensioned state, and when the piston moves upwards, the hemp rope starts to be loosened.
8. The safety trunking of claim 7, wherein: when the two cutting knives descend to cut off the electric wire and enable the pipeline to form a closed space, the moving plate is pulled to move rightwards just through the pull rope.
9. The safety trunking of claim 8, wherein: the pulling force of the contraction spring is larger than the friction force applied when the moving plate slides in the moving cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910798652.7A CN110474269B (en) | 2019-08-27 | 2019-08-27 | Safety wire slot for preventing short circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910798652.7A CN110474269B (en) | 2019-08-27 | 2019-08-27 | Safety wire slot for preventing short circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110474269A CN110474269A (en) | 2019-11-19 |
| CN110474269B true CN110474269B (en) | 2020-09-04 |
Family
ID=68513050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910798652.7A Active CN110474269B (en) | 2019-08-27 | 2019-08-27 | Safety wire slot for preventing short circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110474269B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111106577B (en) * | 2019-12-27 | 2021-01-08 | 安徽华瑞桥架有限公司 | Fire-resistant cable bridge with early warning function |
| CN111068209B (en) * | 2020-01-07 | 2020-12-22 | 扬州瑞顺投资咨询有限公司 | Short-circuit open fire prevention foam covering device |
| CN111049323B (en) * | 2020-01-19 | 2020-11-03 | 东阳市中兴电机有限公司 | Motor with emergency protection function and convenient to move |
| CN111308626B (en) * | 2020-04-13 | 2020-11-06 | 国网上海市电力公司 | Optical cable terminal box peripheral hardware protection device |
| CN111564710B (en) * | 2020-05-27 | 2021-02-05 | 佛山市佰吉原生活用品有限公司 | Flame-retardant wiring plastic pipe for preventing circuit short circuit ignition |
| CN111756010B (en) * | 2020-06-30 | 2021-12-03 | 江苏科兴电器有限公司 | Power transmission pole |
| CN112003204A (en) * | 2020-08-25 | 2020-11-27 | 张凤汝 | Wiring device for electrical equipment |
| CN112303380A (en) * | 2020-11-03 | 2021-02-02 | 谭小勤 | Anti-bursting hardware pipe fitting convenient to mount and dismount |
| CN112803355B (en) * | 2021-04-12 | 2021-08-27 | 丹阳荣嘉精密机械有限公司 | Emergency protection device for working circuit of potato machine |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005099058A1 (en) * | 2004-03-08 | 2005-10-20 | Blue Moon W W | Fire resistant bypass box |
| CN101176812A (en) * | 2006-11-07 | 2008-05-14 | 安薪实业有限公司 | Smoke discharging cabinet self-extinguishing equipment |
| CN202183336U (en) * | 2011-08-02 | 2012-04-04 | 上海速限开关有限公司 | Directional blasting cutting type rapid isolator |
| CN206313406U (en) * | 2017-01-05 | 2017-07-07 | 云南联方电气有限公司 | A kind of bus duct that can be disconnected automatically |
| CN107039853A (en) * | 2017-05-16 | 2017-08-11 | 肇庆学院 | It is a kind of can detection short circuit and high temperature automatically power off alarm security socket |
| CN208637892U (en) * | 2018-08-27 | 2019-03-22 | 镇江华翔机电制造有限公司 | A kind of switchgear with fire-retardant effect function |
| CN109524933A (en) * | 2018-11-14 | 2019-03-26 | 遵义华正电缆桥架有限公司 | A kind of efficient auto-cut-off type jack box |
| CN209134027U (en) * | 2018-12-26 | 2019-07-19 | 广州市锐赛机电设备有限公司 | Safeguard is used in a kind of connection of ac bus |
| CN109768519B (en) * | 2019-03-07 | 2024-04-05 | 吴天钢 | Novel cable intermediate head operation protection device |
-
2019
- 2019-08-27 CN CN201910798652.7A patent/CN110474269B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110474269A (en) | 2019-11-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110474269B (en) | Safety wire slot for preventing short circuit | |
| US20200055155A1 (en) | Automatic cooling and steel cutting equipment | |
| CN111682416A (en) | Power cabinet capable of automatically cutting off power and extinguishing fire when fire breaks out | |
| CN110752515B (en) | Device is remedied in short circuit spontaneous combustion of wiring in switch board | |
| CN110784580B (en) | Automatic wiring and charging support for mobile phone | |
| CN105756461A (en) | Electric window opening machine allowing manual opening and window opening system | |
| CN110994375A (en) | Voltage stabilization protection device based on emergency circuit | |
| CN111555404B (en) | Can dispel heat and fill electric pile and prevent spontaneous combustion device | |
| CN111817075A (en) | Can avoid melting dustproof wiring board in hole | |
| CN112331459A (en) | Transformer fire extinguishing device capable of quickly relieving pressure and enabling transformer oil to flow back | |
| CN111679111A (en) | Building ammeter case convenient to overhaul fire prevention and high temperature prevention | |
| CN110890036A (en) | LED warning lamp capable of automatically adjusting warning mode along with tidal water expansion amplitude | |
| CN111803832A (en) | Fire control unit of cable pit | |
| CN110718358A (en) | Anti-creeping safe heat dissipation and insulation device for transformer box | |
| CN113904221A (en) | Current-limiting type electrical fireproof protector | |
| CN111701169B (en) | Automatic high-temperature heat dissipation ammeter terminal box with anti-theft function | |
| CN110715774A (en) | Equipment for detecting interface tightness of nuclear power generation steam generator | |
| CN114865466A (en) | Industrial power distribution cabinet | |
| CN205307673U (en) | Automatic fire -extinguishing device | |
| CN111682704A (en) | Power-off device for preventing motor of electromechanical equipment from rotating at too high speed | |
| CN111564710B (en) | Flame-retardant wiring plastic pipe for preventing circuit short circuit ignition | |
| CN112512256B (en) | Electric appliance cabinet device for flood control and dehumidification | |
| CN208184946U (en) | A kind of contactor type star triangle pressure reducing mechanical emergency opens pump installation | |
| CN216084780U (en) | Power supply protector with automatic power-off function | |
| CN112366561A (en) | Automatic fire control distribution box device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200814 Address after: 211200 Kechuang building, Futian Road, Zhetang street, Lishui Economic Development Zone, Nanjing City, Jiangsu Province Applicant after: Nanjing Lishui hi tech Venture Capital Management Co.,Ltd. Address before: No. 164 Yanshanjiao Village, Zhuge Town, Lanxi City, Jinhua City, Zhejiang Province, 321000 Applicant before: Lanxi Microcloud Automation Technology Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221031 Address after: No. 3, Qilidian Industrial Cluster, Honglan Town, Lishui District, Nanjing, Jiangsu 210008 Patentee after: Jiangsu Hengjie Electric Co.,Ltd. Address before: 211200 Kechuang building, Futian Road, Zhetang street, Lishui Economic Development Zone, Nanjing City, Jiangsu Province Patentee before: Nanjing Lishui hi tech Venture Capital Management Co.,Ltd. |
|
| TR01 | Transfer of patent right |