CN114963026B - Interval fire hydrant pipeline automatic leakage monitoring and alarming system - Google Patents
Interval fire hydrant pipeline automatic leakage monitoring and alarming system Download PDFInfo
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- CN114963026B CN114963026B CN202210499556.4A CN202210499556A CN114963026B CN 114963026 B CN114963026 B CN 114963026B CN 202210499556 A CN202210499556 A CN 202210499556A CN 114963026 B CN114963026 B CN 114963026B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 52
- 239000000523 sample Substances 0.000 claims description 33
- 238000009434 installation Methods 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 26
- 238000001514 detection method Methods 0.000 description 16
- 230000008859 change Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
- F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
- F16M13/022—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle repositionable
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
- G01M3/243—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations for pipes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/15—Leakage reduction or detection in water storage or distribution
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- Mechanical Engineering (AREA)
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- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Emergency Alarm Devices (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention belongs to the technical field of automatic water leakage monitoring of pipelines, and discloses an automatic leakage monitoring and alarming system for a fire hydrant pipeline in an interval. According to the invention, through the positioning arc block, the fixed rigid hoop, the connecting plate and the threaded rod, the tail end of the fixed rigid hoop can be moved to the front of the positioning arc block through the rectangular mounting connecting block and the connecting plate, so that under the limit of the positioning arc block and the limiting rod on the rectangular mounting connecting block, the rotating shaft can drive the rectangular mounting connecting block to move backwards along the inner wall of the positioning arc block through the threaded rod, further, the tail end of the fixed rigid hoop can be driven to move backwards through the connecting plate, and therefore, a worker can conveniently fix the positioning arc block, the connecting shaft and the sensor on the outer surfaces of fire hydrant pipes with different sizes integrally.
Description
Technical Field
The invention belongs to the technical field of water leakage monitoring of pipelines, and particularly relates to an automatic leakage monitoring and alarming system for a fire hydrant pipeline in an interval.
Background
The leakage detection is short for detecting leakage and monitoring leakage, and means that a professional method and an instrument are adopted to check production equipment, devices or appliances such as pipelines, storage tanks and the like, find whether the leakage exists or not, quickly locate the specific position of a leakage point, give the leakage amount and automatically close a water valve to cut off a fluid source; finding, positioning, quantifying, closing a valve source and alarming are four tasks of a leakage detection instrument; in order to establish automatic monitoring of leakage points of pipelines and storage tank equipment when personnel cannot enter an interval due to the fact that the personnel cannot enter the interval when subway, production type equipment and storage tank operate in a subway interval (or production equipment devices such as pipelines and storage tanks in an area where the personnel cannot reach for inspection during production work), real-time alarming and accurate positioning and marking of the position of a leakage section are achieved once the pipelines leak and burst water, and a fluid source is automatically closed and cut off.
At present, the subway network cable in China is rapidly developing, and along with the rapid popularization of subways, the safe operation of a fire hydrant system inside the subway needs to be ensured, so that the leakage detection condition of the fire hydrant inside the subway needs to be regularly detected, the subway unit is known to be operated inside a subway track interval in most of time, the operation mileage is long, workers cannot enter the subway track interval to detect the leakage of the fire hydrant pipeline, the loss caused by pipeline leakage detection can be increased, the personal safety hidden danger of the people using the subway line is increased, and therefore an automatic leakage detection alarm device needs to be installed inside the fire hydrant pipeline network. Although the existing automatic detection equipment can also achieve the purpose of detecting the pipeline leakage in real time, the pipe network generally has different size diameters including a direct connection pipe, a valve connecting pipe, a branch pipeline and the like, and the existing automatic detection leakage device does not have the function of being suitable for being installed on the surfaces of pipelines with different sizes, so that inconvenience is brought to installation and use of workers, and the application range of the detection leakage equipment is reduced.
Because receive the pipeline and lay regional narrow and the smooth influence that lacks factors such as locating hole in surface of space, make it be not convenient for stably install automatic detection leakage device, consequently can increase the stability of automatic detection leakage device flow probe and pipeline surface contact to reduce the response effect. The installation difficulty of workers can be greatly increased under the influence of the cooperation of the flow probe and the pipeline, and the frequency of disassembly and installation is increased because the precise elements of the internal part of the automatic leakage detection equipment need to be periodically overhauled and maintained, so that the working strength of the workers is further increased, the difficulty of disassembly detection can be increased due to the factors, and the working efficiency of the workers is greatly reduced.
Simultaneously, the fire hydrant pipeline is along the interval inside laying of subway rail line, and interval mileage length is huge usually, and current automated inspection leaks equipment and does not have locate function mostly, is not convenient for the staff in time fixes a position the position of leaking hunting when detecting the hourglass, and then prolongs the time that the pipeline leaked the rescue to can increase the loss that the pipeline leaked the cause. Although installing automatic positioning device can increase the manufacturing cost of automated inspection equipment, be not convenient for lay in subway pipe network on a large scale, consequently need develop a novel automated inspection system that is convenient for install and dismantle and can in time fix a position and self-closing cut off the fluid source at different diameter size pipeline surfaces.
Disclosure of Invention
The invention aims to provide an automatic leakage monitoring and alarming system for fire hydrant pipelines in intervals, so as to solve the problems in the background technology.
In order to achieve the above purpose, the invention provides the following technical scheme: automatic leakage monitoring alarm system of fire hydrant pipeline in interval, including the fire hydrant pipeline, the top of fire hydrant pipeline is provided with location arc piece, the bottom activity at the location arc piece back articulates there is fixed rigidity clamp, the end activity of fixed rigidity clamp articulates there is the connecting plate, the back fixedly connected with rectangle installation connecting block of connecting plate, the surface of rectangle installation connecting block and the inner wall activity joint of location arc piece, the threaded rod has been cup jointed to the middle part screw thread of rectangle installation connecting block, the top fixedly connected with connecting axle of location arc piece, the top fixedly connected with sensor of connecting axle, the left and right sides of sensor all is provided with flow probe, the sensor is sonar ultrasonic flow sensor, can will detect flow variation's signal transmission to monitoring module through flow probe, and can make things convenient for the staff to install equipment monolithic at the pipeline surface of size difference through the cooperation of location arc piece, fixed rigidity clamp, rectangle installation connecting block and threaded rod.
Preferably, the back of the threaded rod penetrates through the rectangular mounting connecting block and extends to the back of the positioning arc block, the rotating shaft is fixedly connected with the back of the positioning arc block, and the front of the rotating shaft is movably connected with the back of the positioning arc block.
Preferably, the inside activity of rectangle erection joint block has cup jointed the gag lever post that is located the threaded rod left and right sides, the quantity of gag lever post is two, two the back of gag lever post all runs through rectangle erection joint block and with the back fixed connection of location arc piece inner chamber.
Preferably, the bottom fixedly connected with location anti-skidding arc piece of location arc piece, location anti-skidding arc piece adopts rubber to make, the bottom of location anti-skidding arc piece is the arc and with the surface swing joint of fire hydrant pipeline.
Preferably, the bottom of the left side and the bottom of the right side of the sensor are fixedly connected with positioning installation sleeves, the number of the positioning installation sleeves is two, two positioning slide blocks are movably sleeved in the positioning anti-skid arc blocks, and due to the arrangement of the positioning installation sleeves, the angles of the two flow probes can be limited under the matching of the positioning slide blocks and the movable positioning rods, so that the bottoms of the flow probes are always directed to the axis of the fire hydrant pipeline to be convenient for the fire hydrant pipeline to be tightly connected.
Preferably, the bottom fixedly connected with activity locating lever of location slider, the quantity of activity locating lever is two, two the bottom of activity locating lever all run through the location installation cover and with the top fixed connection of two flow probe, through the activity locating lever that sets up, can make activity locating lever can drive flow probe up-and-down reciprocating motion through the elasticity recovery effect of location spring under the restriction of location installation cover.
Preferably, the inside activity of location antiskid arc piece is cup jointed the positioning spring who is located the positioning slider top, positioning spring's top and the top fixed connection of location installation cover inner chamber, positioning spring's bottom and the marginal fixed connection at positioning slider top, because positioning spring's setting, can promote flow probe more than downwards through positioning slider and activity locating lever under the restriction of location installation cover, make it have the effect of extrusion fire hydrant pipeline all the time to ensure its surface zonulae occludens with the fire hydrant pipeline all the time, so that transmit the change signal that will detect through the transmission wire.
Preferably, the top fixedly connected with watch-dog of sensor, the inside of watch-dog is provided with the monitoring module, the equal fixedly connected with electric valve in both ends about the fire hydrant pipeline, through the watch-dog that sets up, can be in real time with the flow change transmission to the monitoring alarm host that sensor and flow probe detected under the cooperation of monitoring module.
Preferably, the number of the flow probes is two, the tops of the two flow probes are fixedly connected with transmission wires, and the tops of the transmission wires are fixedly connected with the inside of the sensor.
Preferably, the inside fixedly connected with signal line of monitoring module, the other end fixedly connected with of signal line is located the monitoring alarm host computer of monitor room, owing to the setting of monitoring alarm host computer, both can be convenient for staff's control, and the staff of also being convenient for simultaneously in time knows the concrete position of leaking hunting.
The invention has the following beneficial effects:
1. according to the invention, through the positioning arc block, the fixed rigid hoop, the connecting plate and the threaded rod, the tail end of the fixed rigid hoop can be moved to the front of the positioning arc block through the rectangular mounting connecting block and the connecting plate, so that under the limit of the positioning arc block and the limiting rod on the rectangular mounting connecting block, the rotating shaft can drive the rectangular mounting connecting block to move backwards along the inner wall of the positioning arc block through the threaded rod, further, the tail end of the fixed rigid hoop can be driven to move backwards through the connecting plate, and therefore, a worker can conveniently fix the positioning arc block, the connecting shaft and the sensor on the outer surfaces of fire hydrant pipes with different sizes integrally.
2. According to the invention, through the rotating shaft, the limiting rod, the positioning anti-skidding arc block and the positioning installation sleeve, firstly, under the matching of the fire hydrant pipeline and the positioning anti-skidding arc block, a worker can conveniently place the positioning arc block, the connecting shaft and the sensor on the fire hydrant pipeline integrally, and due to the matching of the positioning arc block and the fire hydrant pipeline, the connecting shaft and the sensor can drive the two flow probes through the positioning installation sleeve to enable the tail ends of the two flow probes to point to the axis of the fire hydrant pipeline, so that the bottoms of the two flow probes can be ensured to be tightly attached to the surface of the fire hydrant pipeline after the positioning arc block, the connecting shaft and the sensor are installed and fixed.
3. According to the invention, through the sensor, the monitoring module, the monitor and the monitoring alarm host, the monitor can transmit the detection result of the sensor and the flow probe on the change of the internal flow of the fire hydrant pipeline to the monitoring module in real time, the monitoring module can transmit the flow change information to the monitoring alarm host through a signal wire through a wireless signal, and as all the sensors, the monitoring module and the monitor distributed in the regional pipeline are determined to have unique and corresponding serial numbers, and each corresponding serial number is topologically arranged on the monitoring alarm host, the leakage detection region can be timely positioned through the monitoring alarm host, so that remedial measures can be rapidly taken.
Drawings
FIG. 1 is a schematic diagram of the system operation of the present invention;
FIG. 2 is a schematic view of the installation of the sensor of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a side cross-sectional structural schematic view of the present invention;
FIG. 5 is a schematic view of the backside structure of the present invention;
FIG. 6 is a schematic cross-sectional front view of the present invention;
FIG. 7 is a schematic view of a partial structure of the present invention in a front cross-section view of a connecting shaft;
fig. 8 is an enlarged schematic view of a portion a in fig. 4.
In the figure: 1. a fire hydrant duct; 2. positioning an arc block; 3. fixing a rigid hoop; 4. a connecting block is installed in a rectangular shape; 5. a connecting plate; 6. a threaded rod; 7. a connecting shaft; 8. a sensor; 9. a flow probe; 10. a rotating shaft; 11. a limiting rod; 12. positioning the anti-skid arc block; 13. positioning the mounting sleeve; 14. positioning a slide block; 15. a movable positioning rod; 16. a positioning spring; 17. a transmission wire; 18. a monitoring module; 19. a monitor; 20. a signal line; 21. monitoring an alarm host; 22. an electrically operated valve.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1 to 8, in the embodiment of the present invention, an automatic leakage monitoring alarm system for a fire hydrant pipeline in an interval includes a fire hydrant pipeline 1, a positioning arc block 2 is disposed above the fire hydrant pipeline 1, a fixed rigid hoop 3 is movably hinged to the bottom of the back of the positioning arc block 2, a connecting plate 5 is movably hinged to the end of the fixed rigid hoop 3, a rectangular mounting connecting block 4 is fixedly connected to the back of the connecting plate 5, the outer surface of the rectangular mounting connecting block 4 is movably clamped to the inner wall of the positioning arc block 2, a threaded rod 6 is sleeved on the middle portion of the rectangular mounting connecting block 4 in a threaded manner, a connecting shaft 7 is fixedly connected to the top of the connecting shaft 7, sensors 8 are fixedly connected to the top of the connecting shaft 7, flow probes 9 are disposed on both sides of the sensor 8, the sensor 8 is a sonar ultrasonic flow sensor, a signal of detecting a flow change can be transmitted to a monitoring module 18 through the flow probes 9, and the positioning arc block 2, the fixed rigid hoop 3, the rectangular mounting connecting block 4 and the threaded rod 6 can be matched to facilitate an operator to integrally mount the equipment on the surfaces of the threaded rods with different sizes.
The back of the threaded rod 6 penetrates through the rectangular mounting connecting block 4 and extends to the back of the positioning arc block 2, the rotating shaft 10 is fixedly connected with the back of the positioning arc block 2, and the front of the rotating shaft 10 is movably connected with the back of the positioning arc block 2.
Wherein, the gag lever post 11 that is located the 6 left and right sides of threaded rod has been cup jointed in rectangle erection joint block 4's inside activity, and the quantity of gag lever post 11 is two, and the back of two gag lever posts 11 all runs through rectangle erection joint block 4 and with the back fixed connection of 2 inner chambers of location arc piece.
Wherein, the bottom fixedly connected with location anti-skidding arc piece 12 of location arc piece 2, location anti-skidding arc piece 12 adopts rubber to make, and the bottom of location anti-skidding arc piece 12 is the arc and with the surface swing joint of fire hydrant pipeline 1.
Wherein, the equal fixedly connected with location installation cover 13 in bottom of the sensor 8 left and right sides, the quantity of location installation cover 13 is two, and the equal activity in inside of two location antiskid arc pieces 12 has cup jointed location slider 14, because the setting of location installation cover 13, can restrict two flow probe 9's angle under the cooperation of location slider 14 and activity locating lever 15 to ensure that flow probe 9's bottom is directional fire hydrant pipeline 1's axle center all the time so that fire hydrant pipeline 1 zonulae occludens.
Wherein, the bottom fixedly connected with activity locating lever 15 of location slider 14, the quantity of activity locating lever 15 is two, and the bottom of two activity locating levers 15 all runs through location installation cover 13 and with the top fixed connection of two flow probe 9, through the activity locating lever 15 that sets up, can make activity locating lever 15 can drive flow probe 9 up-and-down reciprocating motion through the elasticity recovery effect of positioning spring 16 under the restriction of location installation cover 13.
Wherein, the inside activity of location anti-skidding arc piece 12 is cup jointed and is located the positioning spring 16 at positioning slider 14 top, positioning spring 16's top and the top fixed connection of 13 inner chambers of location installation cover, positioning spring 16's bottom and the marginal fixed connection at positioning slider 14 top, because positioning spring 16's setting, can promote flow probe 9 more than downwards through positioning slider 14 and activity locating lever 15 under the restriction of location installation cover 13, make it have the effect of extrusion fire hydrant pipeline 1 all the time, thereby ensure its surface zonulae occludens with fire hydrant pipeline 1 all the time, so that transmit the change signal that will detect through transmission wire 17.
Wherein, sensor 8's top fixedly connected with watch-dog 19, watch-dog 19's inside is provided with monitoring module 18, the equal fixedly connected with electric valve 22 in both ends about fire hydrant pipeline 1, and through the watch-dog 19 that sets up, can be in real time with the flow change transmission to monitoring alarm host 21 that sensor 8 and flow probe 9 detected under monitoring module 18's cooperation.
The number of the flow probes 9 is two, the tops of the two flow probes 9 are fixedly connected with transmission leads 17, and the tops of the transmission leads 17 are fixedly connected with the inside of the sensor 8.
Wherein, the inside fixedly connected with signal line 20 of monitoring module 18, the other end fixedly connected with of signal line 20 is located the monitoring alarm host 21 of monitor room, owing to monitoring alarm host 21's setting, both can be convenient for staff's control, the staff of also being convenient for simultaneously in time knows the concrete position of leaking hunting.
The working principle and the using process are as follows:
firstly, determining an area where leakage detection equipment is to be installed, then carrying out rough grinding and fine grinding on the outer surface of a fire hydrant pipeline 1 to remove paint so as to enable the fire hydrant pipeline 1 to be smooth, then correspondingly installing a connecting shaft 7, a sensor 8, a monitoring module 18 and a monitor 19, moving the connecting shaft 7 and the sensor 8 to place the bottom of a positioning anti-skidding arc block 12 on the outer surface of the fire hydrant pipeline 1 through a positioning arc block 2, enabling the bottoms of two flow probes 9 to be tightly connected with the top of the fire hydrant pipeline 1 under the matching of the positioning arc block 2, the connecting shaft 7, the sensor 8 and a positioning installation sleeve 13, and enabling the bottoms of the two flow probes 9 to be tightly connected with the outer surface of the fire hydrant pipeline 1 through the elastic recovery performance of a positioning spring 16 under the matching of the positioning installation sleeve 13, a positioning sliding block 14 and a movable positioning rod 15;
the fixed rigid hoop 3 is moved through the rectangular mounting connecting block 4 and the connecting plate 5, so that the tail end of the fixed rigid hoop 3 rotates around the outer side of the fire hydrant pipeline 1 to the front of the fire hydrant pipeline 1, then the rectangular mounting connecting block 4 is sequentially sleeved on the outer surfaces of the limiting rod 11 and the threaded rod 6, then the rotating shaft 10 can drive the rectangular mounting connecting block 4 to move backwards along the outer surface of the limiting rod 11 and the inner wall of the positioning arc block 2 through the threaded rod 6 under the limitation of the positioning arc block 2 and the limiting rod 11 on the rectangular mounting connecting block 4, and drive the tail end of the fixed rigid hoop 3 to move backwards through the connecting plate 5, so that the fixed rigid hoop 3 can be tightly coated with the outer surface of the fire hydrant pipeline 1;
after the installation is finished, the sensor 8, the monitoring module 18 and the monitor 19 in each area are numbered, the mileage positions are marked, the marked and mileage positions are arranged inside the monitoring alarm host 21 in a topological mode through the monitor 19, chinese address editing of mileage points is carried out according to marked address codes, when leakage occurs in one point, the monitoring alarm host 21 gives an alarm, the accurate position where leakage detection occurs is displayed, and the electric valve 22 in the corresponding position is closed.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Interval fire hydrant pipeline automatic leakage monitoring alarm system, including fire hydrant pipeline (1), its characterized in that: a positioning arc block (2) is arranged above the fire hydrant pipeline (1), a fixed rigid clamp (3) is movably hinged to the bottom of the back of the positioning arc block (2), a connecting plate (5) is movably hinged to the tail end of the fixed rigid clamp (3), a rectangular mounting connecting block (4) is fixedly connected to the back of the connecting plate (5), the outer surface of the rectangular mounting connecting block (4) is movably clamped with the inner wall of the positioning arc block (2), a threaded rod (6) is sleeved on the middle of the rectangular mounting connecting block (4) in a threaded manner, a connecting shaft (7) is fixedly connected to the top of the positioning arc block (2), a sensor (8) is fixedly connected to the top of the connecting shaft (7), and flow probes (9) are arranged on the left side and the right side of the sensor (8); the back of the threaded rod (6) penetrates through the rectangular mounting connecting block (4), extends to the back of the positioning arc block (2) and is fixedly connected with a rotating shaft (10), and the front of the rotating shaft (10) is movably connected with the back of the positioning arc block (2); limiting rods (11) located on the left side and the right side of the threaded rod (6) are sleeved on the inner portion of the rectangular mounting connecting block (4) in a movable mode, the number of the limiting rods (11) is two, and the back face of each limiting rod (11) penetrates through the rectangular mounting connecting block (4) and is fixedly connected with the back face of the inner cavity of the positioning arc block (2).
2. The in-zone fire hydrant duct automatic leakage monitoring alarm system according to claim 1, wherein: the bottom fixedly connected with location anti-skidding arc piece (12) of location arc piece (2), location anti-skidding arc piece (12) adopt rubber to make, the bottom of location anti-skidding arc piece (12) is the arc and with the surface swing joint of fire hydrant pipeline (1).
3. The in-zone fire hydrant duct automatic leakage monitoring alarm system according to claim 1, wherein: the bottom of the left side and the bottom of the right side of the sensor (8) are fixedly connected with positioning installation sleeves (13), the number of the positioning installation sleeves (13) is two, and two positioning sliding blocks (14) are movably sleeved in the positioning anti-skidding arc blocks (12).
4. The automatic leakage monitoring and alarming system for fire hydrant pipes in an interval according to claim 3, wherein: the bottom of the positioning sliding block (14) is fixedly connected with two movable positioning rods (15), the number of the movable positioning rods (15) is two, and the bottoms of the two movable positioning rods (15) penetrate through the positioning installation sleeve (13) and are fixedly connected with the tops of the two flow probes (9).
5. The in-zone automatic fire hydrant pipeline leakage monitoring alarm system according to claim 2, wherein: the positioning anti-skidding arc block is characterized in that a positioning spring (16) located at the top of the positioning sliding block (14) is movably sleeved inside the positioning anti-skidding arc block (12), the top of the positioning spring (16) is fixedly connected with the top of an inner cavity of the positioning installation sleeve (13), and the bottom of the positioning spring (16) is fixedly connected with the edge of the top of the positioning sliding block (14).
6. An inter-block fire hydrant pipeline automatic leakage monitoring alarm system according to claim 1, wherein: the top fixedly connected with watch-dog (19) of sensor (8), the inside of watch-dog (19) is provided with monitoring module (18), the equal fixedly connected with electric valve (22) in both ends about fire hydrant pipeline (1).
7. The in-zone fire hydrant duct automatic leakage monitoring alarm system according to claim 1, wherein: the flow rate probes (9) are two in number, two the equal fixedly connected with transmission wire (17) in top of flow rate probe (9), the inside fixed connection of top and sensor (8) of transmission wire (17).
8. The in-zone fire hydrant duct automatic leakage monitoring alarm system according to claim 6, wherein: the monitoring system is characterized in that a signal wire (20) is fixedly connected inside the monitoring module (18), and the other end of the signal wire (20) is fixedly connected with a monitoring alarm host (21) located in a monitoring room.
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| CN202210499556.4A CN114963026B (en) | 2022-05-09 | 2022-05-09 | Interval fire hydrant pipeline automatic leakage monitoring and alarming system |
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| CN202210499556.4A CN114963026B (en) | 2022-05-09 | 2022-05-09 | Interval fire hydrant pipeline automatic leakage monitoring and alarming system |
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| CN114963026B true CN114963026B (en) | 2023-03-17 |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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