CN112569511A - Movable fire-fighting device in cable shaft - Google Patents
Movable fire-fighting device in cable shaft Download PDFInfo
- Publication number
- CN112569511A CN112569511A CN202110044057.1A CN202110044057A CN112569511A CN 112569511 A CN112569511 A CN 112569511A CN 202110044057 A CN202110044057 A CN 202110044057A CN 112569511 A CN112569511 A CN 112569511A
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- control
- fixed pipe
- transmission
- bevel gear
- cavity
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a movable fire-fighting device in a cable shaft, which comprises a box body, wherein a fixed pipe is arranged in the box body, a closed fire-fighting mechanism is arranged at the left side of the box body, the closed fire-fighting mechanism comprises two support plates which are vertically and symmetrically arranged by taking the fixed pipe as a center, the right end surface of each support plate is far away from the fixed pipe side and is rotationally connected with the left end surface of the box body through a first hinge, a support sliding cavity with an opening facing the fixed pipe is arranged in each support plate, a sealing plate is arranged in each support sliding cavity in a sliding manner, the closed dry powder fire-fighting of an ignition point in the cable shaft can be automatically finished, the ignition point is searched by vertically moving in the cable shaft in which an ignition alarm is sent through spring matching with a roller, cables at the left side are regularly arranged and compacted on the inner wall at, and the closing of the cable shaft at the section of fire is completed.
Description
Technical Field
The invention relates to the field of fire fighting equipment, in particular to a movable fire fighting device in a cable shaft.
Background
Various vertical shaft pipelines are often arranged in the building, such as staircases, elevator shafts, cable shafts, garbage shafts, ventilation shafts, smoke exhaust shafts and the like, penetrate through a plurality of floors or even all floors, and as high-rise buildings are continuously increased, cable shaft fire disasters occur occasionally. The wire and cable in the cable well is used all year round, the ageing condition easily takes place, if daily maintenance is untimely this moment, in case the insulating piece is damaged, the short circuit easily takes place and fires. And once a fire disaster happens, a large amount of heat carried by fire smoke rapidly flows through the cable well and is diffused to the whole building, high-temperature dense smoke rushes to where the combustible substances can be burnt, and the fire spread is accelerated. Therefore, the structure of the existing cable well has great potential safety hazard, and the arrangement structure of the cable in the vertical well is insufficient.
Disclosure of Invention
The invention aims to solve the technical problem of providing a mobile fire-fighting device in a cable shaft, and overcomes the situation.
The invention is realized by the following technical scheme.
The invention relates to a mobile fire-fighting device in a cable shaft, which comprises a box body, wherein a fixed pipe is arranged in the box body, a closed fire-fighting mechanism is arranged at the left side of the box body, the closed fire-fighting mechanism comprises two support plates which are vertically and symmetrically arranged by taking the fixed pipe as a center, the right end surface of each support plate, which is far away from the fixed pipe, is rotatably connected with the left end surface of the box body through a first hinge, a support sliding cavity with an opening facing the fixed pipe is arranged in each support plate, a sealing plate is arranged in each support sliding cavity in a sliding manner, the sealing plate, which is far away from the end surface of the fixed pipe, is fixedly connected with the inner wall of the support sliding cavity, which is far away from the fixed pipe, at the side of the fixed pipe through a sealing spring, a transmission space with an opening facing, a first transmission bevel gear is fixedly arranged on the motor shaft, a first transmission shaft is rotationally arranged in the transmission space, a second transmission bevel gear is fixedly arranged on the first transmission shaft, the second transmission bevel gear is meshed and connected with the first transmission bevel gear, the first transmission shaft is fixedly provided with two fixed wheels in bilateral symmetry, sector gears are fixedly arranged on the fixed wheels, three rotating belt wheels are rotationally arranged on the transmission space close to the fixed pipe side and are matched and connected through a belt, a first transmission gear is fixedly arranged on the left side of the rotating belt wheel far away from the fixed pipe side and is meshed and connected with the sector gear on the left side, a second transmission gear is fixedly arranged on the right side of the rotating belt wheel, and a third transmission gear is rotationally arranged on the inner wall of the right side of the transmission space far away from the fixed pipe side, third drive gear can with the right side the sector gear meshing is connected, the fixed third hinge that is equipped with of backup pad right-hand member face, the symmetry is equipped with two opening control spouts left about the box left end face, it is equipped with control slider to slide in the control spout, control slider keeps away from the fixed control magnetic path that is equipped with of fixed pipe terminal surface, control spout is kept away from the fixed control electro-magnet that is equipped with of fixed pipe side inner wall, control electro-magnet with the control magnetic path passes through control spring fixed connection, the fixed second hinge that is equipped with of control slider left end face, the second hinge with the third hinge passes through the connecting rod and rotates the connection.
Preferably, the upper end surface and the lower end surface of the box body are symmetrically provided with two arrangement parts from top to bottom, the arrangement parts are internally provided with a control cavity, the inner wall of the right side of the control cavity is rotatably provided with a control shaft, the control shaft is fixedly provided with a first bevel gear, the control cavity is internally and rotatably provided with a control sleeve, the control sleeve is fixedly provided with a second bevel gear, the second bevel gear is meshed with the first bevel gear, the control sleeve is internally provided with a sliding cavity, the sliding cavity is internally and symmetrically provided with support sliding rods in a front-back sliding manner, the right end surface of the arrangement parts is fixedly provided with a control motor, the control motor controls the control shaft to rotate, the arrangement parts are symmetrically provided with two spring cavities in a front-back manner, the spring cavities are internally and slidably provided with support sliding blocks, the support sliding blocks are rotatably connected with the support sliding rods, the support sliding blocks are, the supporting slide block is far away from the side of the control cavity and is provided with a transmission cavity, a third bevel gear is fixedly arranged on the supporting slide rod in the transmission cavity, a rotating shaft is arranged in the transmission cavity in a rotating mode, a fourth bevel gear is fixedly arranged on the rotating shaft and meshed with the third bevel gear, and two movable wheels are fixedly arranged on the rotating shaft in a bilateral symmetry mode.
Preferably, the control spout right side is in be equipped with the recovery space in the box, it keeps away from to retrieve the space the fixed rotation motor that is equipped with of fixed pipe side inner wall, it is equipped with the dwang to rotate machine control, the fixed porous adsorption wheel that is equipped with on the dwang, the fixed first bevel gear that rotates that is equipped with on the dwang, it is close to retrieve the space fixed pipe side is equipped with the opening and is connected with external space, the box left end face is kept away from the fixed pipe side is equipped with the blade chamber of opening left, the rotation of blade chamber right side inner wall is equipped with the rotation axis, the fixed rotating vane that is equipped with on the rotation axis, the rotation axis is in retrieve the space internal fixation and be equipped with the second and rotate bevel gear, the second rotate bevel gear with first rotation bevel gear meshing is connected, the blade.
Preferably, the box right side is equipped with deposits the chamber, it is fixed to be equipped with to deposit chamber left side inner wall fixed pipe is connected with external space, fixed intraductal control flap that is equipped with, the fixed temperature sensor that is equipped with in fixed pipe left side.
Preferably, the moving wheel is in fit friction connection with the inner wall of the cable shaft through the elastic force of the supporting spring, so that the whole mechanism can move up and down in the cable shaft.
The invention has the beneficial effects that: the invention can automatically complete the closed dry powder fire extinguishing of the ignition point in the cable shaft, the invention moves up and down in the cable shaft for searching the ignition point in the fire alarm through the spring matching with the roller, the left cable is arranged in order and compacted on the left inner wall of the cable shaft through the sliding block rocker mechanism and the forward and reverse rotating belt at the left end, and the closing of the cable shaft at the ignition section is completed, in addition, the dry powder fire extinguisher is used for extinguishing the ignition point, and the dry powder and the smoke dust in the sealing section are recycled after the flame is extinguished, thereby facilitating the later maintenance work of maintenance personnel.
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 view of the embodiment of the present invention in the direction of A-A in FIG. 1;
FIG. 3 is a schematic view of the embodiment of the present invention in the direction B-B in FIG. 1;
FIG. 4 is an enlarged schematic view of the embodiment of the present invention at C in FIG. 1.
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.
With reference to fig. 1-4, the mobile fire fighting device in the cable shaft includes a box 11, a fixed pipe 64 is arranged in the box 11, a closed fire fighting mechanism 80 is arranged on the left side of the box 11, the closed fire fighting mechanism 80 includes two support plates 30 symmetrically arranged up and down with the fixed pipe 64 as a center, the right end face of the support plate 30 is far away from the fixed pipe 64 side and is rotatably connected with the left end face of the box 11 through a first hinge 29, a support sliding cavity 31 with an opening facing the fixed pipe 64 is arranged in the support plate 30, a sealing plate 32 is slidably arranged in the support sliding cavity 31, the sealing plate 32 is far away from the end face of the fixed pipe 64 and is fixedly connected with the support sliding cavity 31 through a sealing spring 33, a transmission space 34 with an opening facing the fixed pipe 64 is arranged in the sealing plate 32, the transmission space 34 is far away from the inner wall of the fixed pipe 64 side and is fixedly provided with a transmission motor, the transmission motor 43 is controlled to be provided with a motor shaft 40, a first transmission bevel gear 41 is fixedly arranged on the motor shaft 40, a first transmission shaft 37 is rotationally arranged in the transmission space 34, a second transmission bevel gear 42 is fixedly arranged on the first transmission shaft 37, the second transmission bevel gear 42 is in meshed connection with the first transmission bevel gear 41, two fixed wheels 38 are fixedly arranged on the first transmission shaft 37 in a bilateral symmetry manner, a sector gear 39 is fixedly arranged on the fixed wheel 38, three rotating belt wheels 35 are rotationally arranged on the transmission space 34 close to the fixed tube 64, the three rotating belt wheels 35 are in matched connection through a belt 68, a first transmission gear 36 is fixedly arranged on the left side of the rotating belt wheel 35 far away from the fixed tube 64, the first transmission gear 36 is in meshed connection with the sector gear 39 on the left side, and a second transmission gear 69 is fixedly arranged on the right side of the rotating belt wheel 35, a third transmission gear 70 is rotatably arranged on the inner wall of the right side of the transmission space 34 at the side of the second transmission gear 69 far away from the fixed pipe 64, the third transmission gear 70 can be meshed with the sector gear 39 on the right side, a third hinge 51 is fixedly arranged on the right end face of the supporting plate 30, two control sliding chutes 45 with leftward openings are symmetrically arranged on the upper and lower sides of the left end surface of the box body 11, a control sliding block 46 is slidably arranged in the control sliding chutes 45, a control magnet 47 is fixedly arranged on the end surface of the control slide block 46 far away from the fixed tube 64, a control electromagnet 48 is fixedly arranged on the inner wall of the control chute 45 far away from the fixed tube 64, the control electromagnet 48 is fixedly connected with the control magnet block 47 through a control spring 49, a second hinge 50 is fixedly arranged on the left end face of the control slider 46, and the second hinge 50 is rotatably connected with the third hinge 51 through a connecting rod 44.
Beneficially, two arrangement parts 12 are symmetrically arranged on the upper and lower end surfaces of the box body 11 in an up-down manner, a control cavity 13 is arranged in the arrangement part 12, a control shaft 14 is rotatably arranged on the inner wall of the right side of the control cavity 13, a first bevel gear 15 is fixedly arranged on the control shaft 14, a control sleeve 16 is rotatably arranged in the control cavity 13, a second bevel gear 17 is fixedly arranged on the control sleeve 16, the second bevel gear 17 is in meshed connection with the first bevel gear 15, a sliding cavity 18 is arranged in the control sleeve 16, support sliding rods 21 are symmetrically slidably arranged in the sliding cavity 18 in a front-back manner, a control motor 19 is fixedly arranged on the right end surface of the arrangement part 12, the control shaft 14 is controlled to rotate by the control motor 19, two spring cavities 20 are symmetrically arranged in a front-back manner on the arrangement part 12, support sliding blocks 23 are slidably arranged in the spring cavities 20, the end face of the supporting sliding block 23 close to the control cavity 13 is fixedly connected with the inner wall of the spring cavity 20 close to the side of the control cavity 13 through a supporting spring 22, the side of the supporting sliding block 23 far away from the control cavity 13 is provided with a transmission cavity 24, a third bevel gear 25 is fixedly arranged on the supporting sliding rod 21 in the transmission cavity 24, a rotating shaft 26 is arranged in the transmission cavity 24 in a rotating mode, a fourth bevel gear 28 is fixedly arranged on the rotating shaft 26, the fourth bevel gear 28 is meshed with the third bevel gear 25 and is connected with the third bevel gear 25 in a meshing mode, and two moving wheels 27 are fixedly arranged on the rotating shaft 26 in a bilateral symmetry mode.
Beneficially, a recovery space 56 is provided in the box body 11 at the right side of the control chute 45, a rotating motor 60 is fixedly provided on the inner wall of the recovery space 56 at the side far from the fixed pipe 64, the rotating motor 60 is controlled to be provided with a rotating rod 57, a porous adsorption wheel 61 is fixedly provided on the rotating rod 57, a first rotating bevel gear 58 is fixedly provided on the rotating rod 57, an opening 62 is provided at the side of the recovery space 56 close to the fixed pipe 64 for connecting with the external space, a vane cavity 52 with a leftward opening is provided at the side of the left end face of the box body 11 far from the fixed pipe 64, a rotating shaft 53 is rotatably provided on the inner wall of the right side of the vane cavity 52, a rotating vane 54 is fixedly provided on the rotating shaft 53, a second rotating bevel gear 59 is fixedly provided in the recovery space 56 by the rotating shaft 53, and the second rotating bevel gear, the vane chamber 52 communicates with the recovery space 56 through a plurality of through holes 55.
Beneficially, a storage cavity 63 is formed in the right side of the box body 11, the inner wall of the left side of the storage cavity 63 is fixedly provided with the fixed pipe 64 connected with the external space, a control valve 65 is arranged in the fixed pipe 64, and a temperature sensor 66 is fixedly arranged on the left side of the fixed pipe 64.
Advantageously, the running wheel 27 is in a snug frictional connection with the inner wall of the cable shaft by the spring force of the supporting spring 22, so that the entire mechanism can be moved up and down in the cable shaft.
In the initial state, the supporting spring 22 is in a compressed state, and high-pressure fire extinguishing dry powder is stored in the storage cavity 63.
When a smoke alarm and a temperature alarm in the cable shaft are triggered, the control motor 19 starts the control shaft 14 to rotate, the control shaft 14 drives the first bevel gear 15 to be meshed with the transmission second bevel gear 17 to drive the control sleeve 16 to rotate, the control sleeve 16 drives the support slide rod 21 to drive the third bevel gear 25 to rotate, the third bevel gear 25 is meshed with the transmission fourth bevel gear 28 to drive the rotating shaft 26 to drive the moving wheel 27 to rotate, and therefore the whole device can move up or down in the cable shaft.
When the temperature sensor 66 detects a high temperature, the control electromagnet 48 is electrified to attract the control magnet 47 to drive the control slider 46 to drive the second hinge 50 to move upwards, the support plate 30 and the connecting part thereof rotate around the first hinge 29 under the transmission of the connecting rod 44, the third hinge 51 and the first hinge 29, the transmission motor 43 starts the control motor shaft 40 to drive the first transmission bevel gear 41 to rotate in the rotating process, the first transmission bevel gear 41 is meshed with the second transmission bevel gear 42 to drive the first transmission shaft 37 to drive the two fixed wheels 38 at two sides to rotate, the sector gear 39 on the fixed wheel 38 is sequentially meshed with the first transmission gear 36 and the third transmission gear 70, the third transmission gear 70 is meshed with the second transmission gear 69 to drive the rotating belt wheel 35 to rotate forwards and backwards, the rotating belt wheel 35 drives the belt 68 to rotate forwards and backwards, so that the belt 68 aligns cables at the left side of the cable shaft, when the support plate 30 and its connecting parts are rotated to vertical, the closing spring 33 is pressed by the compression belt 68 tightly against the cable on the left side of the cable shaft against the inner wall of the cable shaft on the left side, so that the cable at the fire is closed between the two closing plates 32 and the box 11.
The control valve 65 opens the dry powder in the storage chamber 63 to spray the dry powder to the fire, so that the cable is extinguished.
When the temperature sensor 66 can not detect the temperature, it is indicated that the fire is completely extinguished, the control valve 65 is closed, the rotating motor 60 is started, the control rotating rod 57 rotates, the rotating rod 57 drives the porous adsorption wheel 61 to rotate, meanwhile, the rotating rod 57 drives the first rotating bevel gear 58 to be meshed with the transmission second rotating bevel gear 59 to drive the rotating shaft 53 to drive the rotating blade 54 to rotate, the dry powder in the closed cavity is recovered to the recovery space 56 through the blade cavity 52 and the through hole 55 by the rotation of the rotating blade 54, the porous adsorption wheel 61 adsorbs the dry powder, and the dry powder is completely recovered to be convenient for maintenance personnel to maintain.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a removal formula fire control unit in cable shaft, includes the box, its characterized in that: the fire extinguishing box is characterized in that a fixed pipe is arranged in the box body, a closed fire extinguishing mechanism is arranged on the left side of the box body, the closed fire extinguishing mechanism comprises two support plates which are arranged in an up-and-down symmetrical mode by taking the fixed pipe as a center, the right end face of each support plate is far away from the side of the fixed pipe and is rotationally connected with the left end face of the box body through a first hinge, a support sliding cavity with an opening facing the fixed pipe is arranged in each support plate, a closed plate is arranged in each support sliding cavity in a sliding mode and is driven to slide in each support sliding cavity, the end face of each closed plate far away from the fixed pipe and the inner wall of the support sliding cavity far away from the side of the fixed pipe are fixedly connected through a closed spring, a transmission space with an opening facing the fixed pipe is arranged in each closed plate, a transmission motor is fixedly arranged, a second transmission bevel gear is fixedly arranged on the first transmission shaft, the second transmission bevel gear is meshed with the first transmission bevel gear, the first transmission shaft is fixedly provided with two fixed wheels in bilateral symmetry, sector gears are fixedly arranged on the fixed wheels, three rotating belt wheels are rotatably arranged on the transmission space close to the fixed pipe side, the three rotating belt wheels are connected in a matching way through a belt, a first transmission gear is fixedly arranged on the left side of the rotating belt wheel far away from the fixed pipe side, the first transmission gear is meshed with the sector gear on the left side, a second transmission gear is fixedly arranged on the right side of the rotating belt wheel, a third transmission gear is rotatably arranged on the inner wall of the right side of the transmission space far away from the fixed pipe side of the second transmission gear, the third transmission gear can be meshed with the sector gear on the right side, and a third hinge is fixedly arranged on the right end face of the support plate, the box body is characterized in that two control sliding grooves with openings towards the left are symmetrically arranged on the upper portion and the lower portion of the left end face of the box body, a control sliding block is arranged in each control sliding groove in a sliding mode, the control sliding block is far away from the end face of the fixed pipe and is fixedly provided with a control magnetic block, the control sliding grooves are far away from the inner wall of the side of the fixed pipe and are fixedly provided with control electromagnets, the control electromagnets are fixedly connected with the control magnetic blocks through control springs, a second hinge is fixedly arranged on the left end face of the control sliding block, and the second hinge.
2. The mobile fire fighting unit in cable shaft according to claim 1, wherein: the upper end surface and the lower end surface of the box body are symmetrically provided with two arrangement parts from top to bottom, the arrangement part is internally provided with a control cavity, the inner wall of the right side of the control cavity is rotatably provided with a control shaft, the control shaft is fixedly provided with a first bevel gear, the control cavity is internally rotatably provided with a control sleeve, the control sleeve is fixedly provided with a second bevel gear, the second bevel gear is meshed with the first bevel gear, the control sleeve is internally provided with a sliding cavity, the sliding cavity is internally provided with support sliding rods which are symmetrically and longitudinally arranged in the sliding cavity, the right end surface of the arrangement part is fixedly provided with a control motor which controls the control shaft to rotate, the arrangement part is symmetrically and longitudinally provided with two spring cavities, the spring cavities are internally provided with support sliding blocks in a sliding manner, the support sliding blocks are rotatably connected with the support sliding rods, the support sliding blocks are close to the end, the supporting slide block is far away from the side of the control cavity and is provided with a transmission cavity, a third bevel gear is fixedly arranged on the supporting slide rod in the transmission cavity, a rotating shaft is arranged in the transmission cavity in a rotating mode, a fourth bevel gear is fixedly arranged on the rotating shaft and meshed with the third bevel gear, and two movable wheels are fixedly arranged on the rotating shaft in a bilateral symmetry mode.
3. The mobile fire fighting unit in cable shaft according to claim 1, wherein: the control spout right side is in be equipped with the recovery space in the box, it keeps away from to retrieve the space the fixed rotation motor that is equipped with of fixed pipe side inner wall, it is equipped with the dwang to rotate machine control, the fixed porous adsorption wheel that is equipped with on the dwang, the fixed first bevel gear that rotates that is equipped with on the dwang, it is close to retrieve the space the fixed pipe side is equipped with opening and external space connection, the box left end face is kept away from the fixed pipe side is equipped with opening blade chamber left, blade chamber right side inner wall rotates and is equipped with the rotation axis, the fixed rotating vane that is equipped with on the rotation axis, the rotation axis is in retrieve the space internal fixation and be equipped with the second and rotate bevel gear, the second rotate bevel gear with first rotation bevel gear meshing is connected, the blade chamber with retrieve the.
4. The mobile fire fighting unit in cable shaft according to claim 1, wherein: the box right side is equipped with deposits the chamber, it is fixed to be equipped with to deposit chamber left side inner wall fixed pipe is connected with external space, fixed intraductal control flap that is equipped with, the fixed temperature sensor that is equipped with in fixed pipe left side.
5. The mobile fire fighting unit in cable shaft according to claim 1, wherein: the movable wheel is in fit friction connection with the inner wall of the cable shaft through the elasticity of the supporting spring, so that the whole mechanism can move up and down in the cable shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110044057.1A CN112569511A (en) | 2021-01-13 | 2021-01-13 | Movable fire-fighting device in cable shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110044057.1A CN112569511A (en) | 2021-01-13 | 2021-01-13 | Movable fire-fighting device in cable shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112569511A true CN112569511A (en) | 2021-03-30 |
Family
ID=75145041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110044057.1A Withdrawn CN112569511A (en) | 2021-01-13 | 2021-01-13 | Movable fire-fighting device in cable shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112569511A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114452432A (en) * | 2022-01-07 | 2022-05-10 | 陈成 | Medical waste disinfection and sterilization processing system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102451530A (en) * | 2012-01-01 | 2012-05-16 | 天津市公安消防局 | Cable shaft fire-fighting device and method |
| WO2013097258A1 (en) * | 2011-12-31 | 2013-07-04 | 天津市公安消防局 | Cable shaft fire fighting device and method thereof |
| CN203954499U (en) * | 2014-06-26 | 2014-11-26 | 国家电网公司 | Cable shaft fire prevention and control device |
| CN110772734A (en) * | 2019-11-08 | 2020-02-11 | 南京聚联输变电安装有限责任公司 | Cable shaft fireproof device and construction method thereof |
-
2021
- 2021-01-13 CN CN202110044057.1A patent/CN112569511A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013097258A1 (en) * | 2011-12-31 | 2013-07-04 | 天津市公安消防局 | Cable shaft fire fighting device and method thereof |
| CN102451530A (en) * | 2012-01-01 | 2012-05-16 | 天津市公安消防局 | Cable shaft fire-fighting device and method |
| CN203954499U (en) * | 2014-06-26 | 2014-11-26 | 国家电网公司 | Cable shaft fire prevention and control device |
| CN110772734A (en) * | 2019-11-08 | 2020-02-11 | 南京聚联输变电安装有限责任公司 | Cable shaft fireproof device and construction method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114452432A (en) * | 2022-01-07 | 2022-05-10 | 陈成 | Medical waste disinfection and sterilization processing system |
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210330 |