CN112751294A - Cable shaft structure of high-rise building - Google Patents

Cable shaft structure of high-rise building Download PDF

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Publication number
CN112751294A
CN112751294A CN202110154834.8A CN202110154834A CN112751294A CN 112751294 A CN112751294 A CN 112751294A CN 202110154834 A CN202110154834 A CN 202110154834A CN 112751294 A CN112751294 A CN 112751294A
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CN
China
Prior art keywords
cable
shaft
cable shaft
rise building
fixed
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Granted
Application number
CN202110154834.8A
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Chinese (zh)
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CN112751294B (en
Inventor
曾凤英
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Guangdong Nanhai Electric Power Design Institute Engineering Co ltd
Foshan Power Supply Bureau of Guangdong Power Grid Corp
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Individual
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Publication of CN112751294A publication Critical patent/CN112751294A/en
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Publication of CN112751294B publication Critical patent/CN112751294B/en
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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
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/04Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0406Details thereof
    • H02G3/0412Heat or fire protective means
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21FWORKING OR PROCESSING OF METAL WIRE
    • B21F11/00Cutting wire
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/04Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0437Channels
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/30Installations of cables or lines on walls, floors or ceilings
    • H02G3/32Installations of cables or lines on walls, floors or ceilings using mounting clamps
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0045Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Power Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Mechanical Engineering (AREA)
  • Special Wing (AREA)

Abstract

The invention discloses a cable shaft structure of a high-rise building, and relates to the technical field of cable bearing devices. The cable shaft comprises a cable shaft and an access door, wherein the top and the bottom of the cable shaft are respectively provided with a plurality of cable through holes, a cable laying cavity is formed in the cable shaft, driving cavities are formed in the cable shaft and at two ends of the cable laying cavity, and transmission cavities are formed in the cable shaft and at the top and the bottom of the two driving cavities. According to the invention, through the mutual matching among the shearing driving motor, the first cutting knife, the second cutting knife, the controller and the fire detector, the device can prevent the fire from spreading and smoke from diffusing at the first time when a cable is on fire, so that the potential safety hazard of the device is avoided, and through the mutual matching among the supporting fixing frame, the cable fastening screw rod, the cable fastening knob and the cable clamping plate, the device can fix cables with different diameters, so that the device is convenient to use.

Description

Cable shaft structure of high-rise building
Technical Field
The invention belongs to the technical field of cable bearing devices, and particularly relates to a cable shaft structure of a high-rise building.
Background
Various shaft pipelines are often arranged in the building, such as a staircase, an elevator shaft, a cable shaft, a garbage shaft, a ventilation shaft, a smoke exhaust shaft and the like, run through a plurality of floors or even all floors, along with the continuous increase of high-rise buildings, the fire of the cable shaft occurs occasionally, the electric wire and cable in the cable shaft are used throughout the year, the aging condition is easy to occur, at the moment, if the daily maintenance is not timely, once an insulating sheet is damaged, the short circuit is easy to occur and the fire is easy to occur. And in case of the conflagration breaing out, a large amount of heats that the conflagration flue gas carried flow rapidly through the cable shaft and spread to whole building, and the intensity of a fire is stretchd with higher speed, and current cable shaft can't the very first time when the cable catches fire and block the intensity of a fire and stretch, blocks smog diffusion for there is the potential safety hazard in the device, and the diameter diverse of cable, and current device is fixing the cable of different diameters in unable, makes the device be not convenient for use.
Disclosure of Invention
The invention aims to provide a cable shaft structure of a high-rise building, which solves the existing problems: the existing cable shaft can not prevent the fire from spreading in the first time when the cable is on fire, and can prevent smoke from diffusing, so that the device has potential safety hazards.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a cable shaft structure of a high-rise building, which comprises a cable shaft and an access door, wherein the top and the bottom of the cable shaft are both provided with a plurality of cable through holes, the inside of the cable shaft is provided with a cable laying cavity, the inside of the cable shaft and two ends positioned in the cable laying cavity are both provided with driving cavities, the inside of the cable shaft and the tops and bottoms positioned in the two driving cavities are both provided with transmission cavities, and the access door is rotatably connected to one side of the cable laying cavity through a hinge;
the shearing driving motors are fixed inside the two driving cavities, the output ends of the shearing driving motors are fixed with first bevel gears, the tops of the first bevel gears are connected with second bevel gears in a meshed mode, the interiors of the second bevel gears are connected with a transmission central shaft rod in a welded mode, the cable shaft is rotatably connected with the transmission central shaft rod, the tops and the bottoms of the transmission central shaft rods are connected with third bevel gears in a welded mode, one ends, far away from the cable laying cavity, of the third bevel gears are connected with fourth bevel gears in a meshed mode, the interiors of the fourth bevel gears are connected with driving screw rods in a welded mode, the cable shaft is rotatably connected with the driving screw rods, two external threads are arranged on the outer sides of the driving screw rods, the thread directions of the external threads are opposite, and the first sliding block and the second sliding block are connected with the external threads of the driving screw rods, the inner parts of the first sliding block and the second sliding block are both connected with a guide limiting sliding rail in a sliding manner, and the cable shaft is connected with the guide limiting sliding rail in a welding manner;
a first shearing cutter bar is fixed between two first sliding blocks positioned on the same horizontal plane, a plurality of U-shaped fixing grooves are uniformly formed in the first shearing cutter bar, first cutting cutters are fixed in the U-shaped cutter fixing grooves, a second shearing cutter bar is fixed between two second sliding blocks positioned on the same horizontal plane, a plurality of U-shaped mounting grooves are uniformly formed in the second shearing cutter bar, and second cutting cutters are fixed in the U-shaped mounting grooves;
the inside of drive chamber and the both sides that are located transmission central axis pole are fixed with battery and controller respectively, the inside top in cable laying chamber is fixed with fire detector, just all through wire electric connection between shearing driving motor and controller and the fire detector, the inside in cable laying chamber is equipped with cable fixed establishment.
Furthermore, the cable shaft, the transmission central shaft, the cable shaft and the driving screw rod are rotatably connected through ball bearings.
Furthermore, clearance fit is formed between the first sliding block and the guide limiting sliding rail and between the second sliding block and the guide limiting sliding rail.
Furthermore, the first shearing cutter rod and the second shearing cutter rod are made of insulating materials.
Further, the model of the controller is SC-200 universal type.
Furthermore, a charging interface is arranged at one end, close to the storage battery, of the cable laying cavity, and the charging interface is electrically connected with the storage battery through a wire.
Further, the storage battery is a high-temperature-resistant lithium iron phosphate battery.
Further, cable fixed establishment is including supporting mount, cable fastening lead screw, cable fastening knob and cable grip block, support mount welded connection in the inside in cable laying chamber, cable fastening lead screw passes through ball bearing and rotates to be connected in the inside of supporting the mount, just the screw thread section has been seted up in the outside of cable fastening lead screw, one side of cable fastening lead screw is fixed in through the mode that hot melt is connected to cable fastening knob, the cable grip block passes through threaded connection in the outside of cable fastening lead screw, just support mount and cable grip block sliding connection.
Furthermore, a plurality of anti-skidding lines are uniformly distributed on the outer side of the cable fastening knob.
Furthermore, a guide boss is arranged inside the supporting and fixing frame, guide grooves are formed in the two ends of the guide boss, a limiting boss is arranged at one end, away from the cable fastening screw rod, of the cable clamping plate, the limiting boss is assembled inside the guide grooves, and the supporting and fixing frame and the cable clamping plate are connected in a sliding mode through the limiting boss.
The invention has the following beneficial effects:
1. according to the invention, through the mutual matching of the shearing driving motor, the first cutting knife, the second cutting knife, the controller and the fire detector, the device can prevent the fire from spreading in the first time when a cable is on fire, so that the smoke diffusion is prevented, and the potential safety hazard of the device is avoided.
2. According to the invention, the supporting and fixing frame, the cable fastening screw rod, the cable fastening knob and the cable clamping plate are mutually matched, so that the device can fix cables with different diameters, and the device is convenient to use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a rear view of the overall structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a left side view of the internal structure of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a bottom view of the internal structure of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at B;
FIG. 8 is a schematic structural view of a cable fixing mechanism;
fig. 9 is a schematic structural view of the driving screw, the second slider and the guiding and limiting slide rail.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a cable shaft; 2. a cable laying cavity; 3. a drive chamber; 4. a transmission cavity; 5. a shear drive motor; 6. a first bevel gear; 7. a second bevel gear; 8. a drive center shaft; 9. a third bevel gear; 10. a fourth bevel gear; 11. driving the screw rod; 12. a first slider; 13. a second slider; 14. a guide limit slide rail; 15. a first shearing tool bar; 16. a first cutter; 17. a second shearing tool bar; 18. a second cutter; 19. a storage battery; 20. a controller; 21. a fire detector; 22. a cable fixing mechanism; 23. an access door; 24. supporting the fixed frame; 25. a cable fastening screw rod; 26. a cable fastening knob; 27. a cable clamping plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
here, the present embodiment discloses a cable shaft structure for a high-rise building.
Please refer to fig. 1-3 and fig. 6:
the invention comprises a cable shaft 1 and an access door 23.
The cable shaft 1 is provided with a plurality of cable through holes at the top and the bottom, the cable shaft 1 is provided with a cable laying cavity 2 inside, the cable shaft 1 is provided with driving cavities 3 at the two ends of the cable laying cavity 2 inside, the cable shaft 1 is provided with driving cavities 4 at the top and the bottom of the two driving cavities 3 inside, an access door 23 is rotatably connected to one side of the cable laying cavity 2 through a hinge, and a sealing strip is assembled between the cable shaft 1 and the access door 23;
please refer to fig. 4, 5 and 9:
the shearing driving motors 5 are fixed inside the two driving cavities 3, the output ends of the shearing driving motors 5 are fixed with first bevel gears 6, the tops of the first bevel gears 6 are connected with second bevel gears 7 in a meshing manner, the insides of the second bevel gears 7 are connected with transmission central shaft rods 8 in a welding manner, the cable shaft 1 and the transmission central shaft rods 8 are rotatably connected through ball bearings, the top and the bottom of the transmission central shaft rods 8 are connected with third bevel gears 9 in a welding manner, one ends of the third bevel gears 9, far away from the cable laying cavity 2, are connected with fourth bevel gears 10 in a meshing manner, the insides of the fourth bevel gears 10 are connected with driving screw rods 11 in a welding manner, the cable shaft 1 and the driving screw rods 11 are rotatably connected through the ball bearings, the outsides of the driving screw rods 11 are provided with two external threads, the thread directions of the two external threads are opposite, the outsides of the driving screw rods 11 are connected with first sliders 12 and second sliders 13 in a, the inner parts of the first sliding block 12 and the second sliding block 13 are both connected with a guide limiting sliding rail 14 in a sliding manner, and the cable shaft 1 is connected with the guide limiting sliding rail 14 in a welding manner;
in addition, the two driving screw rods 11 at the same end rotate in the thread direction of the external thread, so that the moving directions of all the first sliding blocks 12 are the same, the moving directions of all the second sliding blocks 13 are the same, and the moving directions of the first sliding blocks 12 and the second sliding blocks 13 are opposite;
here, the first slide block 12 and the guide limit slide rail 14 and the second slide block 13 and the guide limit slide rail 14 are in clearance fit;
please refer to fig. 3, 4 and 6:
a first shearing cutter bar 15 is fixed between two first sliding blocks 12 positioned on the same horizontal plane, a plurality of U-shaped fixing grooves are uniformly formed in the first shearing cutter bar 15, first cutting cutters 16 are fixed in the U-shaped cutter fixing grooves, a second shearing cutter bar 17 is fixed between two second sliding blocks 13 positioned on the same horizontal plane, a plurality of U-shaped mounting grooves are uniformly formed in the second shearing cutter bar 17, and second cutting cutters 18 are fixed in the U-shaped mounting grooves;
the first shearing cutter bar 15 and the second shearing cutter bar 17 are made of insulating materials, so that the situation that short circuit is caused due to the fact that the first shearing cutter bar 15 and the second shearing cutter bar 17 are conductive when a cable is sheared and the fire is aggravated is prevented;
please refer to fig. 3-7:
a storage battery 19 and a controller 20 are respectively fixed in the driving cavity 3 and at two sides of the transmission central shaft rod 8, a fire detector 21 is fixed at the top in the cable laying cavity 2, the shearing driving motor 5 and the controller 20 are electrically connected with each other through wires, and a cable fixing mechanism 22 is assembled in the cable laying cavity 2;
here, the controller 20 is of the SC-200 universal type;
here, a charging interface is arranged at one end of the cable laying cavity 2 close to the storage battery 19, and the charging interface is electrically connected with the storage battery 19 through a wire, so that the storage battery 19 is charged conveniently, and the normal operation of the shearing driving motor 5 is guaranteed;
here, the storage battery 19 is a high-temperature-resistant lithium iron phosphate battery;
please refer to fig. 3-4, fig. 6 and fig. 8:
the cable fixing mechanism 22 comprises a supporting and fixing frame 24, a cable fastening screw rod 25, a cable fastening knob 26 and a cable clamping plate 27, the supporting and fixing frame 24 is connected to the inside of the cable laying cavity 2 in a welding mode, the cable fastening screw rod 25 is connected to the inside of the supporting and fixing frame 24 in a rotating mode through a ball bearing, a threaded section is formed in the outer side of the cable fastening screw rod 25, the cable fastening knob 26 is fixed to one side of the cable fastening screw rod 25 in a hot melting connection mode, the cable clamping plate 27 is connected to the outer side of the cable fastening screw rod 25 through threads, and the supporting and fixing frame 24 is connected with the cable clamping;
here, a plurality of anti-skid threads are uniformly distributed on the outer side of the cable fastening knob 26;
here, the direction boss has been seted up to the inside of supporting mount 24, and the direction recess has all been seted up at the both ends of direction boss, and spacing boss has been seted up to the one end that cable grip block 27 kept away from cable fastening lead screw 25, and spacing boss assembles in the inside of direction recess, supports mount 24 and cable grip block 27 and passes through spacing boss sliding connection.
One specific application of this embodiment is:
when a cable is fixed to the inner part of the device, the cable penetrates through the inner part of the cable shaft 1 through cable through holes at the top and the bottom of the cable shaft 1, meanwhile, cables with different diameters are respectively placed at two ends of a guide boss arranged on a support fixing frame 24, when the cable needs to be fixed, a cable fastening knob 26 is rotated, the cable fastening knob 26 drives a cable fastening screw rod 25 to rotate through hot melting connection of the cable fastening screw rod 25 and the cable fastening knob 26, the cable fastening screw rod 25 drives a cable clamping plate 27 to move through threaded connection of the cable fastening screw rod 25 and the cable clamping plate 27, and then the cables with different diameters are fixed, so that the device is convenient to use;
when a cable in the cable shaft 1 is on fire, a large amount of smoke is released by burning of a cable insulating sheath, a fire detector 21 detects that the cable in the device is on fire and transmits signals to a controller 20, specifically, the fire detector 21 is a device for detecting the scene and finding out the fire in a fire-fighting automatic fire alarm system, the fire detector 21 generally comprises a sensitive element sensor, a processing unit and a judging and indicating circuit, wherein the sensitive element sensor can monitor one or more fire parameters and effectively respond to the fire parameters, then the fire parameters are processed in an electronic or mechanical mode and converted into electric signals, the fire detector 21 is a sensing organ of the system and is used for monitoring whether the fire occurs in the environment, and once the fire occurs, the characteristic physical quantities of the fire, such as temperature, smoke, gas, radiation intensity and the like, are converted into the electric signals, and acts immediately to send alarm signals to the fire alarm controller, which can be divided into: a smoke detector, a temperature-sensitive detector, a flame detector, a special gas detector, an ionic detector, a photoelectric detector, a linear detector and the like, wherein the smoke detector, the temperature-sensitive detector, the flame detector, the special gas detector, the ionic detector, the photoelectric detector, the linear detector and the like are not particularly limited as long as the purpose of monitoring a fire disaster can be achieved;
the shearing driving motor 5 is started through the controller 20, so that the output end of the shearing driving motor 5 rotates, the shearing driving motor 5 drives the first bevel gear 6 to rotate through the fixed connection between the shearing driving motor 5 and the first bevel gear 6, the first bevel gear 6 drives the second bevel gear 7 to rotate through the meshed connection between the first bevel gear 6 and the second bevel gear 7, the second bevel gear 7 drives the transmission central shaft 8 to rotate through the welded connection between the second bevel gear 7 and the transmission central shaft 8, the transmission central shaft 8 drives the third bevel gear 9 to rotate through the welded connection between the transmission central shaft 8 and the third bevel gear 9, the third bevel gear 9 drives the fourth bevel gear 10 to rotate through the meshed connection between the third bevel gear 9 and the fourth bevel gear 10, and the fourth bevel gear 10 is welded to the driving screw rod 11, the fourth bevel gear 10 drives the driving screw rod 11 to rotate, and the driving screw rod 11 drives the first sliding block 12 and the second sliding block 13 to move through the threaded connection between the driving screw rod 11 and the first sliding block 12 and the threaded connection between the driving screw rod 11 and the second sliding block 13;
the first slider 12 drives the first shearing cutter bar 15 to move through the fixed connection between the first slider 12 and the first shearing cutter bar 15, and the first shearing cutter bar 15 drives the first shearing cutter bar 16 to move through the fixed connection between the first shearing cutter bar 15 and the first cutting knife 16;
through the fixed connection of second slider 13 and second shearing cutter arbor 17, make second slider 13 drive second shearing cutter arbor 17 and remove, through the fixed connection of second shearing cutter arbor 17 and second cutting knife 18, make second shearing cutter arbor 17 drive second cutting knife 18 and remove, cooperation through first cutting knife 16 and second cutting knife 18, cut the inside cable of device, after the inside cable of device is cut, second shearing cutter arbor 17 is with the cable via hole shutoff of 1 top of cable shaft and bottom, avoid the inside flue gas diffusion of device, make the device after the cable catches fire again, can stop the intensity of a fire and spread by the very first time, avoid the flue gas diffusion.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (10)

1. A high-rise building cable shaft structure comprises a cable shaft (1) and an access door (23), and is characterized in that the top and the bottom of the cable shaft (1) are both provided with a plurality of cable through holes, the inside of the cable shaft (1) is provided with a cable laying cavity (2), the two ends of the inside of the cable shaft (1) and positioned in the cable laying cavity (2) are both provided with a driving cavity (3), the inside of the cable shaft (1) and positioned in the two driving cavities (3) are both provided with a transmission cavity (4), and the access door (23) is rotatably connected to one side of the cable laying cavity (2) through a hinge;
the shearing driving motors (5) are fixed inside the two driving cavities (3), the output ends of the shearing driving motors (5) are fixed with first bevel gears (6), the tops of the first bevel gears (6) are connected with second bevel gears (7) in a meshed mode, the insides of the second bevel gears (7) are connected with transmission central shaft rods (8) in a welded mode, the cable shaft (1) is connected with the transmission central shaft rods (8) in a rotating mode, the tops and the bottoms of the transmission central shaft rods (8) are connected with third bevel gears (9) in a welded mode, one ends, far away from the cable laying cavity (2), of the third bevel gears (9) are connected with fourth bevel gears (10) in a meshed mode, the insides of the fourth bevel gears (10) are connected with driving screw rods (11) in a welded mode, and the cable shaft (1) is connected with the driving screw rods (11) in a rotating mode, two external threads are formed in the outer side of the driving screw rod (11), the thread directions of the two external threads are opposite, a first sliding block (12) and a second sliding block (13) are in threaded connection with the outer side of the driving screw rod (11), guide limiting sliding rails (14) are connected inside the first sliding block (12) and the second sliding block (13) in a sliding mode, and the cable shaft (1) is connected with the guide limiting sliding rails (14) in a welding mode;
a first shearing cutter bar (15) is fixed between two first sliding blocks (12) located on the same horizontal plane, a plurality of U-shaped fixing grooves are uniformly formed in the first shearing cutter bar (15), first cutting cutters (16) are fixed in the U-shaped cutter fixing grooves, a second shearing cutter bar (17) is fixed between two second sliding blocks (13) located on the same horizontal plane, a plurality of U-shaped mounting grooves are uniformly formed in the second shearing cutter bar (17), and second cutting cutters (18) are fixed in the U-shaped mounting grooves;
inside and the both sides that are located transmission central axis pole (8) of drive chamber (3) are fixed with battery (19) and controller (20) respectively, the inside top in cable laying chamber (2) is fixed with fire detector (21), just all through wire electric connection between shear drive motor (5) and controller (20) and fire detector (21), the inside in cable laying chamber (2) is equipped with cable fixed establishment (22).
2. A high-rise building cable shaft construction according to claim 1, characterized in that the cable shaft (1) and the transmission central shaft (8) and the cable shaft (1) and the drive screw (11) are rotatably connected by means of ball bearings.
3. The high-rise building cable shaft structure according to claim 1, wherein the first sliding block (12) and the guide limit sliding rail (14) and the second sliding block (13) and the guide limit sliding rail (14) are in clearance fit.
4. The high-rise building cable shaft structure according to claim 1, wherein the first shearing bar (15) and the second shearing bar (17) are made of insulating materials.
5. A high-rise building cable shaft construction according to claim 1, characterized in that the controller (20) is of the SC-200 universal type.
6. The high-rise building cable shaft structure as claimed in claim 1, wherein a charging interface is opened at one end of the cable laying cavity (2) close to the storage battery (19), and the charging interface is electrically connected with the storage battery (19) through a wire.
7. A high-rise building cable shaft construction according to claim 1, characterized in that the accumulator (19) is a high temperature resistant lithium iron phosphate battery.
8. The high-rise building cable shaft structure according to claim 1, the cable fixing mechanism (22) comprises a supporting and fixing frame (24), a cable fastening screw rod (25), a cable fastening knob (26) and a cable clamping plate (27), the supporting and fixing frame (24) is connected with the inside of the cable laying cavity (2) in a welding way, the cable fastening screw rod (25) is rotatably connected to the inside of the supporting and fixing frame (24) through a ball bearing, and the outer side of the cable fastening screw rod (25) is provided with a threaded section, the cable fastening knob (26) is fixed on one side of the cable fastening screw rod (25) in a hot melting connection mode, the cable clamping plate (27) is connected to the outer side of the cable fastening screw rod (25) through threads, and the supporting and fixing frame (24) is connected with the cable clamping plate (27) in a sliding way.
9. The high-rise building cable shaft structure according to claim 8, wherein a plurality of anti-slip threads are uniformly distributed on the outer side of the cable fastening knob (26).
10. The high-rise building cable shaft structure according to claim 8, wherein a guide boss is formed inside the supporting and fixing frame (24), guide grooves are formed in both ends of the guide boss, a limiting boss is formed at one end of the cable clamping plate (27) far away from the cable fastening screw rod (25), the limiting boss is assembled inside the guide grooves, and the supporting and fixing frame (24) and the cable clamping plate (27) are slidably connected through the limiting boss.
CN202110154834.8A 2021-02-04 2021-02-04 Cable shaft structure of high-rise building Active CN112751294B (en)

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CN112751294B CN112751294B (en) 2022-07-26

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JPH01230380A (en) * 1988-03-11 1989-09-13 Mitsubishi Electric Corp Prevention of spread of fire for group cable
KR100860574B1 (en) * 2008-04-04 2008-09-26 (주)선운 이앤지 Device to cut the connection for the underground line
WO2016134379A2 (en) * 2015-02-20 2016-08-25 Royston Clifton Ignition suppression circuiting technology
CN208748866U (en) * 2018-08-23 2019-04-16 中消安科技实业(深圳)有限公司 A kind of cable shaft isolation closure fire proof construction
CN110970819A (en) * 2019-12-28 2020-04-07 宁波奉化平西配电科技有限公司 Can be used to dampproofing block terminal of fire prevention
CN111682416A (en) * 2020-07-02 2020-09-18 温州市塔星电子科技有限公司 Power cabinet capable of automatically cutting off power and extinguishing fire when fire breaks out

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JPH01230380A (en) * 1988-03-11 1989-09-13 Mitsubishi Electric Corp Prevention of spread of fire for group cable
KR100860574B1 (en) * 2008-04-04 2008-09-26 (주)선운 이앤지 Device to cut the connection for the underground line
WO2016134379A2 (en) * 2015-02-20 2016-08-25 Royston Clifton Ignition suppression circuiting technology
US20170345527A1 (en) * 2015-02-20 2017-11-30 Clifton Royston Ignition Suppression Circuiting Technology
CN208748866U (en) * 2018-08-23 2019-04-16 中消安科技实业(深圳)有限公司 A kind of cable shaft isolation closure fire proof construction
CN110970819A (en) * 2019-12-28 2020-04-07 宁波奉化平西配电科技有限公司 Can be used to dampproofing block terminal of fire prevention
CN111682416A (en) * 2020-07-02 2020-09-18 温州市塔星电子科技有限公司 Power cabinet capable of automatically cutting off power and extinguishing fire when fire breaks out

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