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684 results about "Firewater" patented technology
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Firewater refers to water that has been used in firefighting and requires disposal. In many cases it is a highly polluting material and requires special care in its disposal.
Intelligent fire-fighting hidden danger identification method based on large-model multi-mode
The invention, which relates to the technical field of fire safety, discloses a multi-modal intelligent identification method for fire-fighting hidden troubles based on a large model, comprising the following steps: S1, acquiring multi-source heterogeneous feature data through a sensor network deployed in a fire-fighting water pump room to obtain an initial feature set; s2, performing unified scale conversion on the initial feature set, calculating heterogeneous bridging parameters according to the environmental parameters and the equipment operation data, constructing a fusion feature vector, inputting the fusion feature vector into a preset neural network for feature weight adaptive adjustment, and outputting an adjusted weight vector; according to the fire-fighting hidden danger intelligent identification method based on the large-model multi-mode, intelligent closed loop from hidden danger identification to prevention and control decision making is realized, and the intelligent, dynamic and precise management level of a fire-fighting safety system is comprehensively improved.
Owner:TIAN ZE ZHI LIAN KE JI GU FEN GONG SI
Quick connecting and sealing device for fire hose
The utility model relates to the technical field of fire fighting equipment, and discloses a fire hose quick connecting and sealing device which comprises a connecting male head, the outer side of the connecting male head is sleeved with a connecting female head, the outer side of the connecting female head is fixedly sleeved with a fixing seat, a cavity is formed in the fixing seat, and a piston mechanism is arranged in the cavity; a sealing seat is arranged on the inner wall of the female connector, a mounting groove is formed in the inner wall of the sealing seat, a sealing mechanism is arranged in the mounting groove, a groove is formed in the outer side of the male connector, and a limiting mechanism is arranged between the groove and the female connector. Compared with the prior art, the fire hose has the following advantages and effects that by arranging the sealing mechanism, a tiny gap between the connecting male head and the connecting female head can be effectively filled through the expanded sealing air bag, the purpose of preventing fire fighting water from leaking from the connecting part under the pressure effect is achieved, and therefore the sealing performance and reliability of the fire hose during water passing are guaranteed, and the service life of the fire hose is prolonged. And a powerful guarantee is provided for smooth fire-fighting operation.
Owner:ZHENGZHOU DINGTAI TECH CO LTD
High-precision Beidou navigation system based on fire-fighting water source positioning
The invention relates to the technical field of fire-fighting navigation systems, and discloses a high-precision Beidou navigation system based on fire-fighting water source positioning. A water source feature acquisition module of the system acquires fire hydrant and underground pipe network surface material reflectivity data through a multispectral imager, and generates a water source feature vector set; the Beidou signal enhancement module is used for carrying out error correction on the original Beidou satellite signal by adopting a carrier phase difference technology; the dynamic base station network is used for deploying a plurality of base station nodes in an urban building dense area, and each node synchronously receives Beidou signals, calculates atmospheric delay errors and transmits the atmospheric delay errors to the central processing module through a wireless ad hoc network; the three-dimensional terrain matching module is used for carrying out iterative alignment on the building contour data scanned by the laser radar and the urban GIS elevation data, and establishing a centimeter-level precision three-dimensional model of the surrounding environment of the fire-fighting water source; and the multi-source data fusion module is used for receiving all the data and outputting optimal positioning coordinates of the fire-fighting water source.
Owner:HEBEI HOUGU INTELLIGENT FOREST DEFENSE TECHNOLOGY CO LTD
Testing equipment for detecting pressure-bearing performance of fire hose
ActiveCN121253321AAngles/taper measurementsMaterial strength using tensile/compressive forcesStamping processScrew thread
The invention discloses a test device for detecting the pressure-bearing performance of a fire hose, and relates to the technical field of fire hose pressure-bearing detection.The test device comprises a main frame, the outer wall of one side of the main frame is fixedly connected with a side frame, and the top of the main frame is provided with a butt joint pipe used for fixedly and hermetically connecting a hose body; a fixing plate is arranged on the top of the main frame, and the butt joint pipe is fixedly connected with the fixing plate. According to the device, when a worker bends the water hose body to a certain angle and then stops bending, through the self-locking performance between a screw rod and a threaded sleeve, it can be guaranteed that the two fixing plates do not displace in the subsequent water hose body stamping process, and then it is guaranteed that the water hose body is always located at the set bending angle for pressure bearing detection; and the problems of unstable detection conditions and data deviation caused by the bending angle change due to the displacement of the fixed plate are avoided.
Owner:SICHUAN FENGBANG FIRE TECH CO LTD
Fire hose winding auxiliary device convenient to clean
Owner:JIANGSU HOSEKING FIRE DEV CO LTD
Fire hose winding and unwinding device and method
The invention provides a fire hose winding and unwinding device and method. The fire hose winding and unwinding device comprises a frame with a transmission system and at least one winding system installed on the frame, a handle is arranged on the frame, each winding system comprises a baffle disc, a rotating shaft, a sleeve shaft and a reel, one end of each rotating shaft is connected with the transmission system, one end of each sleeve shaft is sleeved in from the other end of the corresponding rotating shaft, and the reel is arranged on the frame. One end of the sleeve shaft is connected with the rotating shaft, the sleeve shaft is detachably connected with the rotating shaft, the transmission system drives the rotating shaft to rotate and enables the sleeve shaft to move along with the rotating shaft, the other end of the sleeve shaft is integrally connected with the reel, the blocking disc is integrally connected to the rotating shaft, and a take-up and pay-off space is formed between the blocking disc and the reel. In the moving process, winding and unwinding of the water hose can be achieved, manual winding is not needed, the difficulty of laying the water hose is reduced, and efficiency is improved.
Owner:肖高建
Active fire prevention system and method for main cable of suspension bridge
The active fire prevention system comprises a fire extinguishing module, a side span emergency module and a middle span emergency module, the fire extinguishing module comprises a plurality of fire pools fixed to the top of a bridge tower, and a water supply main pipe connected with the bottom of the fire extinguishing module is laid in the extending direction of the main cable and fixed to the top of the main cable; spraying branch pipes and temperature sensing automatic closing type sprayers are arranged on the water supply main pipe at intervals. The side span emergency module comprises a first emergency water storage tank and a first pressurizing water pump which are fixed in a stiffening beam and are communicated with a side span water supply main pipe through a first emergency connecting pipe, and the mid-span emergency module comprises a second emergency water storage tank and two second pressurizing water pumps which are fixed in the middle of a mid-span stiffening beam; and the two second emergency connecting pipes are respectively communicated with water supply main pipes on two sides of the midspan. Real-time fireproof protection of the main cable is achieved through the fire extinguishing module, the temperature rise of the main cable is directly prevented from exceeding the critical temperature, the risk of structural failure is avoided, the emergency module continuously provides a water source and pressure when the water source is insufficient, and the fire extinguishing duration is prolonged.
Owner:HUBEI COMM PLANNING & DESIGN INST CO LTD +1
Circulating heat supply system of fire-fighting main pipeline in tunnel
The utility model discloses a circulating heat supply system of a fire-fighting main pipeline in a tunnel, which comprises the fire-fighting main pipeline, a first water inlet and a second water inlet are arranged on the fire-fighting main pipeline, the fire-fighting main pipeline is connected with a fire hydrant through a branch pipeline, and the first water inlet and the second water inlet are arranged on the fire-fighting main pipeline. The circulating heat supply device is respectively communicated with the first water inlet and the second water inlet through a water inlet pipeline; the fire pool is connected with the water inlet pipeline. By arranging the circulating heat supply device, heat can be directly supplied to water flowing through the fire-fighting main pipeline, energy consumption is effectively reduced, on one hand, more energy is saved, on the other hand, the operation cost can be reduced, and economical efficiency is improved; through connection of the fire pools and switching of the valves, it can be guaranteed that water supply in the main fire pipeline is sufficient when a fire occurs, and then timeliness and reliability of fire extinguishing in the main fire pipeline are guaranteed.
Owner:LIAONING PROVINCIAL TRANSPORTATION PLANNING & DESIGN INST +1
Self-propelled fire hose reel device for airport
The invention provides a self-propelled fire hose reel device for an airport. The self-propelled fire hose reel device comprises an AGV (automatic guided vehicle) and a reel assembly above the AGV. The reel assembly comprises a driving motor and a reel pipe disc and is used for automatically laying and recycling the fire hose. A frame of the unmanned trolley is provided with a retractable pipe auxiliary assembly, and the retractable pipe auxiliary assembly comprises two retractable pipes which synchronously and reversely rotate. A variable pipe collecting gap is formed between the two collecting and releasing pipes, and the fire hose penetrates through the gap. Through rotation of the winding and unwinding pipe, the water pipe can be extruded and flattened during winding, accumulated water is discharged, and it is ensured that the water pipe is wound flatly and tightly; and the gap is expanded during throwing, so that the water pipe smoothly passes through. Automatic deployment and recovery of the fire-fighting water pipes are achieved, the fire extinguishing efficiency is remarkably improved, and the problems that the water pipes are unevenly stored and water is accumulated in the water pipes are solved.
Owner:ZHEJIANG TAIZHOU AIRPORT MANAGEMENT CO LTD
Anti-twisting structure of fire hose
ActiveCN224071043Unot easily twistedavoid distortionFire rescueStructural engineeringMechanical engineering
The utility model discloses a fire hose anti-twist structure, including base pedal and take-up mechanism, take-up mechanism includes rotary column, insert fixed column, L-shaped support plate, polish rod stud shaft, sleeve liner, pressure band plate and rotary handle, the plate body surface of base pedal is symmetrically welded with branch pipe, and the upper part of branch pipe body is rotatingly connected with rotary column, the base pedal is installed with take-up mechanism, and the rotary column is fixed on the base pedal. According to the hose winding mechanism, a sleeve lining cylinder is matched with a hose pressing plate to clamp the folded fire hose, a polished rod stud shaft is matched at an L-shaped supporting plate to conduct rotating winding, after the fire hose is folded and wound in a double-winding type winding mode, the fire hose wound into the double-winding type is not prone to being twisted when thrown out for use, the fire hose is effectively prevented from being twisted in the use process, and the service life of the fire hose is prolonged. The winding convenience of the fire hose is effectively improved, even if the fire hose is twisted due to friction in use, the fire hose can be manually straightened and used by holding the sleeve lining cylinder and the hose pressing plate to clamp and stroke the fire hose, and the fire hose is effectively prevented from being twisted.
Owner:HUBEI XINGZHONG FIRE TECHNOLOGY CO LTD
A multifunctional auxiliary device for fire hose
The utility model relates to fire -fighting equipment technical field especially discloses a kind of multifunctional auxiliary device of fire hose, including bottom plate, tripod and rotary handle, tripod is set on the top of bottom plate, steering wheel is uniformly installed at bottom plate lower end portion four corners, handrail is installed on the top of bottom plate, bottom plate, steering wheel and handrail jointly constitute handcart structure, it is convenient to carry the device and fire hose on the device, fixed sleeve is symmetrically installed on the top of bottom plate, hand screw bolt is uniformly installed on two fixed sleeves, fixed sleeve is opened and closed by hand screw bolt, fixed wheel is symmetrically installed on the lower end of tripod, cylinder shaft is installed on the upper end of tripod, storage lever is installed on one side of cylinder shaft, and the other side is connected with rotary handle, baffle is welded on storage lever, the utility model is opened and closed by hand screw bolt through the ingenious cooperation of each component and is realized multifunctional auxiliary use to fire hose, with the characteristics of fine structure, easy operation, good use effect etc.
Owner:JIANGXI COPPER
Fire hose winding device
The utility model relates to a fire hose winding device which comprises a flat cart, a winder is arranged on a plate surface of the flat cart, the winder comprises a folding frame shaped like a Chinese character'shan ', a winding shaft is arranged at the top of the folding frame, the rear side of the bottom of the folding frame is hinged to the plate surface, and a positioning assembly is arranged between the front side of the bottom of the folding frame and the plate surface. According to the fire hose winding device, the winding device is arranged on the flat cart, on one hand, the fire hose can be conveniently wound through the winding shaft of the winding device, on the other hand, the wound fire hose can be conveniently conveyed through the flat cart, the winding efficiency is improved, and time and labor are saved.
Owner:福州市消防救援支队特勤大队
Fire hose cleaning device with detection function
The invention discloses a fire hose cleaning device with a detection function, and belongs to the technical field of fire fighting, the fire hose cleaning device comprises a cleaning mechanism, a cleaning mechanism is arranged on the cleaning mechanism, the cleaning mechanism comprises double guide rollers and a pressing assembly, and driving transmission assemblies are arranged above and below the double guide rollers; according to the fire hose cleaning device, the pressing assembly on the lower portion can be matched with double guide rollers to press a fire hose, the fire hose is kept in a closed state, one end of the fire hose is connected with a water injection head in advance at the moment to achieve the purpose of water injection, the end of the fire hose is in an expanded and expanded state, and in the process of pulling and cleaning the fire hose, the fire hose is cleaned. Water in the fire hose continuously flows at the same position along with movement, so that the to-be-cleaned part can be always kept in an open state, cleaning dead angles caused by wrinkles of the fire hose are avoided, and thoroughness in cleaning of the inside and the outside of the fire hose is guaranteed.
Owner:CHONGQING MGJIA FIRE TECH CO LTD
Fire hose protection bridge
ActiveCN223861210UClimate change adaptationFire rescueArchitectural engineeringStructural engineering
The utility model discloses a protective bridge for a fire hose. The protective bridge comprises a left protective bridge and a right protective bridge, the right protective bridge and the left protective bridge are arranged in parallel, each of the left protective bridge and the right protective bridge comprises a front slope bridge body, a middle bridge body and a rear slope bridge body, the front slope bridge body, the middle bridge body and the rear slope bridge body are detachably connected front and back, each of the front slope bridge body, the middle bridge body and the rear slope bridge body comprises a bearing support and a steel plate arranged at the top of the bearing support, the width of each steel plate is 600mm-1000mm, and the width of each steel plate is 10mm-10mm. The thickness of the steel plate ranges from 4 mm to 6 mm, lifting universal wheels are arranged at the bottom of the bearing support, the middle bridge body is provided with a plurality of bridge openings, and the bridge openings are used for allowing water hoses to pass through. During transportation, the universal wheels of the front slope bridge body, the middle bridge body and the rear slope bridge body descend to be in contact with the ground, movement is facilitated, the built water hose passes through the bridge opening of the middle bridge body, and the steel plates ensure that vehicles within 80 tons can pass through. Therefore, the fire hose protection bridge can be conveniently transported and built, labor is saved, and the bearing capacity and the passing ability are improved.
Owner:茂名市消防救援支队
Water hose laying mechanism and fire fighting truck
The utility model provides a water hose laying mechanism and a fire fighting truck, and relates to the technical field of water hose laying. Wherein the first guiding device is used for being connected with the top wall of a vehicle head, the second guiding device and the third guiding device are both used for being connected with the top wall of a compartment, and the winding device is used for being connected with the inner wall of the compartment. Moreover, the first guide device extends in the first direction and is used for enabling the fire hose to move in the first direction; the second guide device extends in the second direction perpendicular to the first direction and is used for enabling the fire hose to reciprocate in the second direction. The third guiding device is located between the first guiding device and the second guiding device. The winding device is located on the side, away from the third guiding device, of the second guiding device and used for winding or releasing the fire hose. On the basis, deviation and distortion caused in the process of winding and unwinding the fire hose by the hose laying mechanism are improved, and the situation that the fire hose needs to be tidied with extra time due to winding and knotting is avoided.
Owner:SICHUAN CHUANXIAO FIRE-FIGHTING VEHICLE MFG CO LTD
Anti-falling fire hose coupling
The utility model relates to a kind of anti-falling fire-fighting lance joint, belong to fire-fighting equipment technical field;Including ratchet lock ring, bidirectional elastic pusher and unlocking slider, when the water hose connecting end is inserted into the lance connecting end, rotate ratchet lock ring to make the end of bidirectional elastic pusher be inserted into ratchet pawl ring tooth slot, form mechanical interlock;When unlocking, one-hand presses unlocking slider, its inside wedge push rod extrudes pusher root, forces pusher elastic deformation to separate tooth slot, ratchet lock ring can be freely rotated to realize separation at this time;When water pressure is greater than 0.5MPa, conical sealing ring expands radially and enhances sealing, leakage rate is less than 0.1L / min;Protective flange covers 80% exposed part of ratchet lock ring, and 15J impact resistance is impacted, suitable for fire-fighting water hose quick connection, solve the industry pain point of traditional joint operation slow, easy to fall off, high risk of accidental touch.
Owner:FUJIAN ZHONGXING FIRE EQUIP CO LTD
Super-high-altitude fire-fighting and fire-extinguishing rescue vehicle
The utility model provides a super-high-altitude fire-fighting and fire-extinguishing rescue vehicle, which relates to the technical field of fire-fighting equipment, and mainly comprises a fire-fighting truck body, a cantilever crane, a fire-fighting water connecting pipe and a fire-fighting water spray gun, the cantilever crane comprises a plurality of cantilever crane units which are rotatably connected, and is used for meeting the requirements of super-high-altitude fire-fighting and fire-extinguishing rescue. One end of the fire-fighting water connecting pipe is arranged on the fire-fighting truck body, the other end of the fire-fighting water connecting pipe is provided with a fire-fighting water spray gun, the fire-fighting water connecting pipe extends along the extension direction of the arm support, and the tail end of the fire-fighting water connecting pipe is connected and communicated with the fire-fighting water spray gun. And the arm support is further provided with a fire-fighting water connecting pipe rotating along with the arm support unit, the length of the fire-fighting water connecting pipe also meets the length of super high-rise fire fighting and fire extinguishing rescue, and the defect that in the prior art, the spraying height is limited due to the pure combination of a fire fighting truck and a fire gun is overcome.
Owner:CHINA RESOURCES POWER (HAIFENG) LTD
Fire water pressure control system
The utility model relates to fire control system technical field discloses a kind of fire water pressure control systems, including water pump and fire pipe network, pressure detector is located in the main pipeline of fire pipe network, controller is connected with the output end of pressure detector, star delta starting circuit is connected with the output end of controller, and is connected with the input end of water pump, electric valve is connected with the output end of controller, for controlling water flow break and flow regulation.The utility model detects the pressure value in the main pipeline of fire pipe network in real time by setting pressure detector, when fire pipe network is used, when pressure value increases, water pump is automatically opened by controller and the opening of electric valve is adjusted, improve fire water pump response time, water pump and electric valve linkage, controller automatically adjusts water pump opening and closing according to the pressure value in fire pipe network, avoid the power consumption caused by water pump 24 hours always open.
Owner:YUNNAN ZHUANGXIANG CEMENT CO LTD
Intelligent long-range fire water monitor
The utility model relates to the technical field of fire monitors, in particular to an intelligent long-range fire water monitor. Comprising a connecting flange connected with a water conveying pipeline, a water inlet cannon pipe arranged on the connecting flange, a horizontal cannon pipe arranged on the water inlet cannon pipe in a horizontal rotating mode, a horizontal rotating mechanism arranged between the water inlet cannon pipe and the horizontal cannon pipe, and a pitching cannon pipe arranged on the horizontal cannon pipe through a stabilizing device in a pitching rotating mode. The pitching swing mechanism is arranged between the horizontal gun barrel and the pitching gun barrel, and a spray head is further arranged on the pitching gun barrel through a quick release device and used for quickly replacing the spray head so as to adjust the spraying mode.
Owner:BENXING VALVE MFG CO LTD
Foam fire extinguishing device
The overall design is compact, making it suitable for applications requiring rapid deployment and with significant space constraints, particularly in logistics parks and lithium battery fires. Users can connect and activate the device in a short time, providing a foam fire extinguishing system that enables more efficient response to fires. [Solution] The system comprises a machine box and a water pump, a peristaltic pump, a foam concentrate tank, and an air compressor located inside the machine box. The foam concentrate tank and peristaltic pump are connected to the input terminals of the water pump via piping, and the air compressor is connected to the output terminal of the water pump via piping. In addition, a water supply pipeline is installed parallel to the foam concentrate tank at the input terminal of the water pump, and the output terminal of the water pump is connected to an external fire hose. The foam concentrate tank and peristaltic pump are positioned horizontally opposite each other on the same side of the water pump, and the air compressor is positioned horizontally opposite each other on the opposite side of the water pump. This clarifies the water supply and drainage layout of the entire system and facilitates the independent removal and maintenance of each component module.
Owner:XIAMEN LIUJU OBJECT LINK TECH CO LTD
Supercharged indoor fire hydrant
The utility model discloses a supercharged indoor fire hydrant, and relates to the technical field of fire hydrants. Comprising a control unit and a fire hydrant body, a three-way valve is connected to a pipe body of a water inlet pipe at the bottom of the fire hydrant body and comprises a top valve pipe, a side valve pipe and a bottom valve pipe, and the bottom valve pipe is fixedly communicated with a municipal pipe network. The three-way valve, the first electromagnetic valve, the second electromagnetic valve, the booster water pump and the communicating pipe are arranged, multi-channel connection between a municipal pipe network and the fire hydrant body is achieved through the three-way valve, when pressurization is not needed, the second electromagnetic valve can be closed, the first electromagnetic valve can be opened, and water flow directly enters the fire hydrant body through the top valve pipe; when emergency situations such as fire disasters and needing high-pressure water flow occur, the first electromagnetic valve is closed, the second electromagnetic valve is opened, the booster water pump is started, the water flow is pressurized, and then the high-pressure water flow is conveyed to the fire hose through the water outlet pipe.
Owner:FUJIAN JINYANG FIRE FIGHTING TECH
Fire-fighting equipment intelligent management system and method based on Internet of Things
The invention discloses a fire-fighting equipment intelligent management system and method based on Internet of Things, and relates to the technical field of fire-fighting management. The method comprises the steps of obtaining a loss path and loss points and loss sections thereof, calculating on-way loss values and elevation loss values of all the loss sections on the spraying path, constructing a digital twin model of the fire-fighting spraying system, obtaining a loss parameter set of all the loss points, constructing a loss evaluation model, and outputting local loss values of all the loss points on the spraying path. The total lift of the spraying path is calculated, the most disadvantageous spraying head is selected, and whether the pressure value of the most disadvantageous spraying head is within the working pressure range or not is judged so that the rotating speed of the fire pump can be regulated and controlled till the pressure value of the most disadvantageous spraying head is within the working pressure range; under the condition that the working pressure range of each spray head is met, a flexible regulation and control mechanism can be realized for the fire pump, and the working energy consumption can be reduced.
Owner:宁乡市消防救援大队
Fire-fighting water segregator convenient to adjust
The utility model relates to the technical field of fire-fighting water segregators, in particular to a fire-fighting water segregator convenient to adjust, which effectively prevents liquid from flowing back, avoids waste of water resources and further protects safety of a fire-fighting system. Comprising a valve body with a cavity inside; the water inlet pipe is fixedly connected and communicated with the valve body and used for receiving fire fighting water; the flow dividing pipe is fixedly connected and communicated with the valve body, and two groups of water outlets are formed in the flow dividing pipe and used for dividing and discharging the fire fighting water input by the water inlet pipe; the sealing cover bracket covers the top end of the valve body; the adjusting mechanism is arranged on the valve body and used for controlling opening and closing of the valve body and preventing liquid from flowing back; the adjusting mechanism further comprises a sealing seat which is fixedly installed at the connecting port of the valve body and the water inlet pipe, and a water passing opening is formed in the sealing seat. The sliding rod is inserted into the sealing seat in a sliding manner; the one-way valve plate is fixedly mounted on the sliding rod and covers the top end of the sealing seat; the water control plug is vertically arranged in the valve body in a sliding mode.
Owner:GAOYOU SHENGXIN FIRE TECH CO LTD
Fast and efficient fire-fighting lance fixing device
The invention discloses a fast and efficient fire-fighting lance fixing device which structurally comprises a fixator composed of a support, a swing frame, a bracket, a lower rotating shaft, an electric push rod, an upper rotating shaft, a supporting plate and a buckling ring, and the upper end of the support is in shaft connection with the lower end of the swing frame. A bottom cushion at the upper end of the lifting seat is elastically attached to the surface of the fire-fighting lance, vibration generated by water flow sprayed by the fire-fighting lance can be conducted into the telescopic hose through a center control structure in the lifting seat, and the vibration is conducted into air outside the bracket through a damping fin; loosening of fixation of the fire-fighting lance caused by the fact that the fire-fighting lance transmits vibration to the lower supporting plate and the lower supporting plate is weakened; the servo motor at the bottom drives the rotating disc to rotate, and under supporting connection of the transverse supporting rod and the vertical supporting rod, the adjusting base rotates, so that the horizontal direction of the fire-fighting lance is adjusted, and the spraying range of the fire-fighting lance is widened.
Owner:高敬威
Fire hose storage and laying device capable of being quickly unfolded
The utility model relates to the technical field of fire hose winding and unwinding devices, in particular to a fire hose winding and unwinding device capable of being rapidly unfolded, which comprises a support plate fixedly mounted on an external frame body, and a first servo motor fixedly mounted on the rear side surface of the support plate. The tail end of an output shaft of the first servo motor penetrates through the supporting plate and is fixedly provided with a surrounding rod, a stud is fixedly installed on a rod body at the rear end of the surrounding rod, a clamping rod is arranged above the surrounding rod, the stud is sleeved with the clamping rod, the clamping rod is in sliding connection with the stud, and a threaded rotary knob is in threaded connection with the stud. An upper rotating shaft and a lower rotating shaft are rotationally connected to the front side face of the supporting plate, conveying rollers are fixedly installed on the rotating shafts, a second servo motor is coaxially arranged at the tail end of one rotating shaft, gears are fixedly installed at the same ends of the two rotating shafts, and the upper gear and the lower gear are meshed with each other. According to the utility model, the fire hose is convenient to unfold, store and guide and lay, and is convenient to use.
Owner:YAOAN COUNTY FIRE RESCUE BRIGADE (YAOAN COUNTY FIRE RESCUE BUREAU)
Subway station and section fire hydrant system based on high-position fire pool
The utility model provides a subway station and interval fire hydrant system based on a high-position fire-fighting pool, which relates to the technical field of subway fire fighting and comprises a fire-fighting pool, a station fire hydrant water supply main pipe and an interval fire hydrant water supply main pipe, the station fire hydrant water supply main pipe and the interval fire hydrant water supply main pipe are both connected with a fire pool, and pressure reducing valves and pressure detectors are arranged on the station fire hydrant water supply main pipe and the interval fire hydrant water supply main pipe. And the station fire hydrant water supply main pipe and the interval fire hydrant water supply main pipe are respectively connected to fire hydrant system fire-fighting pipe networks of the station and the interval tunnel. The subway fire hydrant system has the beneficial effects that the fire hydrant system adopts the fire pool arranged at a high position as a fire-fighting reserve water source, water can be supplied in a centralized manner, and a pump room in a traditional station is omitted, so that the construction cost of subway fire-fighting equipment is remarkably reduced. And the fire pool directly supplies water to the fire hydrant pipe network through gravity without depending on an electric water pump, so that the reliability of the fire hydrant system can be remarkably improved.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP CO LTD
Intelligent fire hydrant with self-checking function
The application relates to the technical field of fire-fighting equipment, in particular to an intelligent fire hydrant with a self-checking function, which comprises, from top to bottom, an upper hydrant body, a lower hydrant body and a water supply pipe connected through flanges, the lateral wall of the upper hydrant body is provided with an intelligent control box, the lower hydrant body is provided with a water pressure sensor penetrating through the lateral wall, the water pressure sensor is electrically connected with the intelligent control box, and an opening and closing mechanism is arranged in the lower hydrant body; the opening and closing mechanism comprises a mounting frame embedded in the inner wall of the lower hydrant body and close to the water pressure sensor, and the detection end of the water pressure sensor is embedded in the mounting frame; through the cooperation of the sealing plug and the driving assembly, when the fire-fighting pipeline is opened, the fire-fighting water fills the lower hydrant body and stabilizes the pressure, then the driving assembly controls the sealing plug to rotate, the detection hole is aligned with the communication hole, the water pressure sensor starts to collect pressure data, the water pressure sensor is prevented from being impacted by high-pressure water flow, and the service life and detection precision of the water pressure sensor are effectively improved.
Owner:JINYUAN TECH DEV CO LTD
Fire hose sealing detection device for fire detection
The application relates to a fire hose sealing detection device for fire detection, and relates to the technical field of fire hose detection. The device comprises a main body, a cleaning brush is rotationally connected in a moving seat, a cleaning assembly is arranged at the bottom end of a fixing seat, a contact lever is slidably connected on one side of a base, an anti-deviation assembly is arranged in the base, a limiting assembly is arranged on both sides of the base, and a guide plate is rotationally connected to the limiting assembly. When the water hose is wound, the contact lever is extruded, a parallelogram cavity and a linkage structure formed by the cooperation of the slope drive the pressing plate to be pressed and limited, after the water hose is inflated, the contact lever is reset, the pressing plate is lifted and suspended, automatic limiting is realized by relying on the natural extrusion force of the water hose winding, the structure is simple and reliable, energy consumption is low, the water hose winding height can be limited, the pressing plate can be automatically lifted when the water hose is inflated, the normal inflation and deformation of the water hose are not affected, the limiting effect and detection compliance are considered, and pressure detection distortion caused by improper limiting is avoided.
Owner:CHONGQING XINGYUAN REAL ESTATE MANAGEMENT CO
Fire water supply and fire extinguishing system
The invention relates to the technical field of fire engineering, in particular to a fire water supply and fire extinguishing system which comprises a water supply unit, a fire extinguishing unit and a control unit. The water supply unit comprises a fire pool and a main water pump set, the input end of the main water pump set communicates with the fire pool through a water inlet pipe, and the output end communicates with the fire extinguishing unit through a main water supply pipeline. The fire extinguishing unit comprises at least one group of fire extinguishing assemblies, and the fire extinguishing assemblies communicate with the main water supply pipeline and are used for spraying fire extinguishing media to a fire area; the control unit comprises a controller, and the controller is electrically connected with the main water pump set and used for controlling starting, stopping and output pressure of the main water pump set. The water supply unit is further provided with a pressure stabilizing assembly which is connected between a water inlet pipe of the main water pump set and the main water supply pipeline in parallel. The pressure stabilizing assembly connected between the water inlet pipe of the main water pump set and the main water supply pipeline in parallel is additionally arranged on the water supply unit, the pressure of the main water supply pipeline can be maintained within the preset range in real time, and pressure fluctuation caused by starting and stopping of the main water pump set is effectively avoided.
Owner:ZHAODONG HUANENG THERMAL POWER CO LTD
A method for replacing a tunnel pile foundation
ActiveCN116044415BUnderground chambersProtective foundationArchitectural engineeringStructural engineering
The application discloses a tunnel pile foundation underpinning construction method, and the construction method comprises the following steps: S100, construction preparation; S200, tunnel bench method construction to underpinning pile; S300, construction of advanced support; S400, pile body concrete removal, construction of initial support; S500, excavation of soil bodies on both sides of the lower part of the underpinning pile, and timely initial support closure; S600, pouring of side wall and arch part secondary lining; S700, removal of temporary cross brace after the secondary lining concrete reaches the design strength; S800, bottom plate construction; S900, repeating S200-S800 until all pile foundation underpinning is completed. The tunnel pile foundation underpinning construction method effectively utilizes the transformation of the initial support and the secondary lining of the tunnel to the load of the fire pool, guarantees the safety and normal use of the fire pool structure, and has small engineering quantity, and can save investment. By utilizing the mechanism of passive underpinning, the pile foundation bears the force by itself, the pile foundation intruding into the tunnel is removed and cut step by step and root by root, and the safety and normal use of the fire pool structure are guaranteed.
Owner:CHINA RAILWAY NO 5 ENGINEERING GROUP CO LTD GUIZHOU SUBSIDIARY +1