CN108385729A - A kind of security pre-warning system of piping lane well lid movement - Google Patents
A kind of security pre-warning system of piping lane well lid movement Download PDFInfo
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- CN108385729A CN108385729A CN201810333397.4A CN201810333397A CN108385729A CN 108385729 A CN108385729 A CN 108385729A CN 201810333397 A CN201810333397 A CN 201810333397A CN 108385729 A CN108385729 A CN 108385729A
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- 230000033001 locomotion Effects 0.000 title claims abstract description 15
- 230000003287 optical effect Effects 0.000 claims abstract description 36
- 238000009527 percussion Methods 0.000 claims abstract description 36
- 238000010079 rubber tapping Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 238000013016 damping Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000032767 Device breakage Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1481—Security devices, e.g. indicating unauthorised opening
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Emergency Alarm Devices (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The present invention provides a kind of security pre-warning system of piping lane well lid movement, including follower, vibrating mechanism and the detecting optical cable for detecting vibration.Follower includes traction rope.Vibrating mechanism includes billethead pin ratchet, the first torsional spring hinge section and the first percussion bar.Billethead pin ratchet includes central shaft, is socketed in the reel of central shaft and the turntable in reel side is arranged, and for the one ends wound of traction rope on reel, turntable includes multiple protrusions；The first end of first percussion bar is hinged the first torsional spring hinge section, and the first percussion bar is adjacent to by the first torsional spring hinge section in the protrusion of turntable, in the motion range that detecting optical cable taps bar first.The security pre-warning system of the present invention, the frequency vibration signal that faint movable signal is zoomed into rule by vibrating mechanism passes to detecting optical cable, vibration signal is transmitted to remote fiber vibration-detection system by detecting optical cable, to achieve the purpose that accurate, timely progress alarm.
Description
Technical field
The present invention relates to the security pre-warning systems that cable protection technical field more particularly to a kind of piping lane well lid move.
Background technology
Urban Underground water, electricity and gas and communication pipe network star sieve gather, and the normal operation of these pipelines is concerning the great people in city
Raw problem.Due to the wide regional coverage of piping lane entrance well lid distribution, difficulty is brought to supervision.Well lid is displaced or destroys and loses
It loses, or even enters destruction pipeline from piping lane entrance and all bring very big security risk to city piping lane.
Currently, for the following several classes of the protection early warning technology patent point of piping lane entrance well lid：
1, to strengthen based on well lid self structure.Such well lid, which uses, to be reinforced skeleton, reinforces sealing performance, locked unlatching
Or using modes such as electronic locks, positive effect is played to the destruction of pre- preventing well cover.The disadvantage is that without location information, it cannot be timely
The location information of well lid destruction is obtained, especially unfrequented corner still has pipeline failure security risk.
2, intelligence system is installed additional below well lid.Such is that sensor, alarm and power module are installed under well lid.It is logical
The signal that sensor obtains is passed to alarm, realizes sound-light alarm nearby by the Displacement-deformation for crossing sensor detection well lid.It is special
Point is the operation for using power module power supply and maintaining intelligence system, and disadvantage is a lack of location information (with the 1st class), power module
It is limited by wet environment and service life.
3, in above-mentioned 2nd class, continue to install transmitting module additional, realized by big data or Internet of Things and be remotely located alarm.
The protection early warning feature of such well lid solves the problems, such as the positioning of the 2nd class, and positive effect is played quickly to take precautions against or repairing,
It is still had the disadvantage is that power module is limited by wet environment and service life, transceiver module wireless signal is by electromagnetic interference
It influences, rate of false alarm or does not report rate higher.
4, without power module and not by the well lid prior-warning device of electromagnetic interference.Applicant has applied for one in May, 2014
Money device, notification number CN203838833U.The device is linked up with by well lid, draws hook, resetting spring and silk thread sense light
Fibre composition.When well lid is opened, traction hook, which deforms upon, drives resetting spring vibration, and optical fiber is passed to by silk thread, to
Triggering alarm.Though the device has evaded the shortcomings that limited above-mentioned classes of power module and electromagnetic interference, since traction is linked up with
Need to be always maintained at certain elasticity, fatigue deformation influences service life, it is necessary to inspect periodically or replace and increase after
Phase maintenance cost, is promoted the use of to limit.
5, in view of the above-mentioned problems, applicant has applied for a device, publication No. CN204154380U in October, 2014.It should
Device is made of detecting optical cable, damping driving mechanism and limiting device and elastic element.During when well lid is opened, bullet
Property element one end pulled by well lid, elastic element lower pole triggering damping driving mechanism, damping point transmit knocking to visit
Optical cable is surveyed, to the long-range middle control alarm of triggering.Since the setting of damping driving mechanism damping point is limited and elastic element installation
It is more demanding, it is difficult to restore after device breakage, must re-replaces, this brings puzzlement for later maintenance.
Invention content
In view of this, present invention aims at a kind of security pre-warning system of piping lane well lid movement is provided, needle can be solved
To optical fiber in existing fiber class well location channel location monitoring technology cannot sense in time enough vibration signals, service life with
And it installs and later maintenance problem.
Specifically, the present invention provides a kind of security pre-warning system of piping lane well lid movement, including follower, vibrating mechanism
With the detecting optical cable for detecting vibration.The follower includes traction rope, when well lid rises, the traction rope movement.
Vibrating mechanism includes billethead pin ratchet, the first torsional spring hinge section and the first percussion bar；Billethead pin ratchet includes central shaft, set
It is connected on the reel of central shaft, turntable and the scrollwork clockwork spring that is arranged in turntable in reel side is set, the second of traction rope
End is wrapped on reel, includes multiple protrusions on turntable；First torsional spring hinge section is fixed on the side of turntable；First taps bar
First end is hinged the first torsional spring hinge section, and the first percussion bar is adjacent to by the first torsional spring hinge section in the protrusion of turntable；When leading
When messenger moves, billethead pin ratchet is around center axis rotation, the reciprocating motion for driving the first percussion bar to lift and fall, and first
The second end for tapping bar taps detecting optical cable repeatedly.
Preferably, follower includes top support and lever, and top support is fixed at the top of the piping lane of well lid, thick stick
Bar is rotatably connected in top support, and the first end of lever is in contact with well lid, described in the second end connection of lever
The first end of traction rope.
Preferably, universal joint is connected between top support and lever.
Preferably, torsional spring hinge section is connected between top support and lever.
Preferably, lever includes adjusting rod, and the first end of adjusting rod is fixed on the first end of lever, the second end of adjusting rod
It is in contact with well lid.
Preferably, vibrating mechanism further includes the second torsional spring hinge section and second taps bar, and second taps the first end hinge of bar
The second torsional spring hinge section is connect, the second percussion bar is adjacent to by the second torsional spring hinge section in the protrusion of turntable, and second taps bar
Second end tap detecting optical cable, second percussion bar with first tap bar be located at center of turntable to detecting optical cable line two
Side.
Preferably, the line pair of the first torsional spring hinge section and the second torsional spring hinge section relative to center of turntable to detecting optical cable
Claim setting.
Preferably, the first percussion pole face is provided with the first protrusion to the side of turntable, second tap bar in face of turntable
Side is provided with the second protrusion.
Preferably, it first projects into the distance of the first torsional spring hinge section and second and projects at a distance from the second torsional spring hinge section
It is different.
Preferably, the protrusion of turntable is multiple cylinders that annular is uniformly distributed on turntable.
Preferably, traction rope is coating steel wire.
The security pre-warning system of the present invention, the frequency that faint movable signal is zoomed into rule by vibrating mechanism vibrate letter
Number detecting optical cable is passed to, so that detecting optical cable is received the vibration signal of frequency, to reach accurate, carry out alarm in time
Purpose.
For the above and other objects, features and advantages of the present invention can be clearer and more comprehensible, preferred embodiment cited below particularly,
And coordinate institute's accompanying drawings, it is described in detail below.
Description of the drawings
Fig. 1 is the structural schematic diagram of security pre-warning system.
Fig. 2 is the side sectional view of vibrating mechanism.
Specific implementation mode
Further to illustrate that the present invention is the technological means and effect realized expected purpose and taken, below in conjunction with attached drawing
And preferred embodiment, to the specific implementation mode of security pre-warning system of the piping lane well lid movement proposed according to the present invention, method,
Step, structure, feature and effect are described in detail as after.
For the present invention aforementioned and other technology contents, feature and effect, in following cooperation with reference to the preferable reality of schema
Applying in the detailed description of example to be clearly presented.By the explanation of specific implementation mode, when expection can be reached to the present invention
The technological means and effect that purpose is taken be able to more deeply and it is specific understand, however institute's accompanying drawings be only to provide with reference to
Purposes of discussion is not intended to limit the present invention.
Referring to FIG. 1, Fig. 1 is the structural schematic diagram of security pre-warning system.As shown in Figure 1, the security protection early warning of the present embodiment
System, including follower 100, vibrating mechanism 200 and the detecting optical cable 300 for detecting vibration.Follower 110 includes leading
Messenger 130, when well lid 400 rises, traction rope 130 moves.Vibrating mechanism 200 includes billethead pin ratchet, the first torsional spring hinge
Chain link 220 and first taps bar 230；Billethead pin ratchet includes central shaft 211, is socketed in the reel 212 of central shaft 211, sets
The turntable 213 in 212 side of reel and the scrollwork clockwork spring 215 that is arranged in turntable 213 are set, the second end of traction rope 130 twines
It is wound on reel 212, includes multiple protrusions 214 on turntable 213；First torsional spring hinge section 220 is fixed on the side of turntable 213；
The first end of first percussion bar 230 is hinged the first torsional spring hinge section 220, and the first percussion bar 230 passes through the first torsional spring hinge section 220
It is adjacent in the protrusion 214 of turntable 213；When traction rope 130 moves, billethead pin ratchet is rotated around central shaft 211, drives the
The second end of the reciprocating motion that one percussion bar 230 is lifted and fallen, the first percussion bar 230 taps detecting optical cable 300 repeatedly.
In one embodiment, follower 100 includes top support 110, lever 120 and traction rope 130, top support
110 are fixed at the top of the piping lane of well lid 400, and lever 120 is rotatably connected in top support 110, lever 120
First end be in contact with well lid 400, the first end of the second end of lever 120 connection traction rope 130.Follower 100 passes through
400 displacement distance of well lid is zoomed into the movement displacement distance of traction rope 130 by lever principle, and detecting optical cable 300 is enable to feel in time
Enough vibration signals should be arrived.
Specifically, scrollwork clockwork spring 215 is tensional state in 400 non-open state of well lid, when well lid 400 is opened, from
The downward pretightning force that traction rope 130 in the second end of the lever 120 of motivation structure 100 is formed by scrollwork clockwork spring 215, to
According to lever principle, the first end of lever 120 will obtain a upward arm of force so that when well lid 400 is opened, lever 120
First end moved up with well lid 400.According to the amplification of lever principle, the second end of lever 120 moves down distance and lever 120
First end the ratio for moving up distance be equal to lever 120 second end connection traction rope 130 position to lever 120 with push up
The distance between 110 junction of portion's bearing L1 and the position of the contact well lid 400 of the first end of lever 120 to lever 120 and top
The ratio of the distance L2 of 110 junction of portion's bearing, i.e. the first end of lever 120 is moved up to be become apart from certainty ratio (L1/L2) amplification
The second end of lever 120 moves down distance.Therefore, follower 100 can be put 400 displacement distance of well lid using lever principle
Greatly, solve the problems, such as that optical fiber cannot sense enough vibration signals in time.
Traction rope 130 is moved downward with the second end of lever 120, then scrollwork clockwork spring 215 is with movable reel 212 and turntable 213
It is rotated around central shaft 211, and the first percussion bar 230 is adjacent to by the first hinged torsional spring hinge section 220 of its first end in turntable
In 213 protrusion 214, then the reciprocating motion that the first percussion bar 230 is lifted and fallen, to the second of the first percussion bar 230
End can tap detecting optical cable 300 repeatedly, and detecting optical cable 300 senses corresponding vibration signal, and vibration signal is transmitted to
Remote fiber vibration-detection system, to and alarm.Therefore, vibrating mechanism 200 uses click principle by straight-line displacement
Signal, which is transformed into, has the knocking repeatedly of frequency to pass to detecting optical cable 300, is conducive to the transmission point of fiber-optic vibration signal
Analysis.
When well lid 400 is shut, the first end of lever 120 is moved down by a downward active force, according to lever principle,
The second end of lever 120, which moves up, makes traction rope 130 move upwards, and traction rope 130 is rotated with movable reel 212 and turntable 213 so that
Scrollwork clockwork spring 215 in turntable 213 is in tensional state when 400 non-open state of well lid, can be used for well lid 400 next time
Open monitoring.
In one embodiment, between top support 110 and lever 120 can with but be not limited to be connected with universal joint 140.
Using 140 truck dead lever 120 of universal joint, the required precision of installation direction can be reduced.Meanwhile lever 120 can be rotated
It is hidden to destroy the present apparatus to other constructions using well head at the top of piping lane, are not influenced.
In one embodiment, between top support 110 and lever 120 can with but be not limited to be connected with torsional spring hinge section
150.When well lid 400 is opened, the first end of lever 120 is moved up with well lid 400, and torsional spring hinge section 150 can slow down lever
The speed that 120 first end moves up, in one embodiment, lever 120 move up until with piping lane vertex away from b=0 until, torsional spring
Hinge section 150 can reduce momentum when lever 120 and piping lane vertex b is contacted；In one embodiment, one end of lever 120
An active force, and the pretightning force of the second end mechanism vibrated of lever 120, to lever are generated by torsional spring hinge section 150
120 keep balance, i.e., lever 120 can at a distance be balanced with piping lane vertex b.
In one embodiment, lever 120 includes adjusting rod 121, and the first end of adjusting rod 121 is fixed on the of lever 120
The second end of one end, adjusting rod 121 is in contact with well lid 400.Simulative debugging can be carried out in not manhole cover 400, dropped
Low labor intensity and improve installation and debugging efficiency.In one embodiment, the first end of adjusting rod 121 can with but not office
It is limited to be threaded in the first end of lever 120, adjusting rod 121 has height-adjustable effect.
In one embodiment, adjusting rod 121 is round end adjusting rod 121.
In one embodiment, lever 120 includes hanging hole, and the first end of traction rope 130 is fixed on lever 120 by hanging hole
On.
In one embodiment, vibrating mechanism 200 further includes that the second torsional spring hinge section 240 and second taps bar 250, and second strikes
The first end for hitting bar 250 is hinged the second torsional spring hinge section 240, and the second percussion bar 250 is adjacent to by the second torsional spring hinge section 240
In the protrusion 214 of turntable 213, the second second end for tapping bar 250 taps detecting optical cable 300, and the second percussion bar 250 strikes with first
It hits bar 230 and is located at 213 center of turntable to the both sides of the line of detecting optical cable 300.Then first tap bar 230 second end and
The second end of second percussion bar 250 can tap detecting optical cable 300 repeatedly.To by vibrating mechanism 200 by faint movement
The multifrequency vibration signal that signal zooms into rule passes to detecting optical cable, and vibration signal is transmitted to remote fiber and shaken by detecting optical cable
Dynamic detection system, to achieve the purpose that accurate, timely progress alarm.
In one embodiment, the first torsional spring hinge section 220 is arrived with the second torsional spring hinge section 240 relative to 213 center of turntable
The line of detecting optical cable 300 is symmetrical arranged, and to realize being symmetrical arranged for double-tap bar, realizes times synergy of knocking
It answers.
In one embodiment, the first percussion bar 230 is provided with the first protrusion 231 in face of the side of turntable 213, and second taps
Bar 250 is provided with the second protrusion 251 in face of the side of turntable 213.To which the first percussion bar 230 can pass through the first protrusion
231 are adjacent to turntable 213, and the second percussion bar 250 can be adjacent to turntable 213 by the second protrusion 251.In one embodiment, first
The distance of protrusion the 231 to the first torsional spring hinge section 220 is different at a distance from second protrusion the 251 to the second torsional spring hinge section 240.
In one embodiment, the height of the first protrusion 231 is different from the height of the second protrusion 251.Then the first protrusion 231 and the second protrusion
251 can change the corresponding intrinsic brachium for tapping bar respectively, and spy is tapped to make the first percussion bar 230 and second tap bar 250
Percussion strength degree when surveying optical cable 300 is clearly demarcated, this is extremely advantageous to the analysis of fiber-optic vibration signal, so as to greatly reduce mistake
Report rate.
In one embodiment, the protrusion 214 of turntable 213 can with but be not limited to be that annular is uniformly distributed multiple on turntable 213
Cylinder can also be that turntable 213 is uniformly arranged multiple protrusions 214 etc. in circumferential edges.Specifically, as in the embodiment of Fig. 1,
213 annular of turntable is evenly equipped with 12 cylinders, and the first torsional spring hinge section 220 and the second torsional spring hinge section 240 are relative in turntable 213
The line of the heart to detecting optical cable 300 is symmetrical arranged, distance and the second protrusion of first protrusion the 231 to the first torsional spring hinge section 220
The distance of 251 to the second torsional spring hinge section 240 is different, then the first percussion bar 230 and second is made to tap the intrinsic brachium on bar 250
Difference, it is not to fall to minimum point simultaneously so that the first percussion bar 230, second is tapped bar 250 yet, to ensure that the first percussion
Bar 230 and second taps that bar 250 can percussion vibration optical fiber be to realize the multiplier effect of knocking successively, and first taps
Percussion strength degree when the percussion percussion detecting optical cable 300 of bar 250 of bar 230 and second is clearly demarcated, this analyzes fiber-optic vibration signal
It is extremely advantageous, so as to greatly reduce rate of false alarm.
In one embodiment, traction rope 130 is coating steel wire.It ensure that the non-telescope equal than being driven while coating of pulling force
Layer ensure that traction rope 130 is not corroded in piping lane environment, it is ensured that the service life of the device.
In one embodiment, vibrating mechanism 200 includes shell 260, and billethead pin ratchet is fixed inside shell 260
An inner wall on, shell 260 can be fixedly connected on side wall or the bottom surface of hoistway mouth.Traction rope 130 and detecting optical cable 300 are all
It is each passed through shell 260, the first torsional spring hinge section 220, the second torsional spring hinge section 240 of vibrating mechanism 200 can be for example, by columns
Pin etc. is fixedly connected on the inner wall inside shell 260.Shell 260 can provide better protection against vibrating mechanism 200, it is ensured that should
The service life of device.
In one embodiment, the material that most of part of the present apparatus uses is engineering plastics (ABS), to meet piping lane
Moist dark environment, it is ensured that the service life of the device.
The security pre-warning system of the present invention, the frequency that faint movable signal is zoomed into rule by vibrating mechanism 200 are shaken
Dynamic signal passes to detecting optical cable 300, and detecting optical cable 300 is enable to receive the vibration signal of frequency, to reach it is accurate and
The purpose of Shi Jinhang alarms.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, however is not limited to invent, any person skilled in the art,
It is not departing within the scope of inventive technique scheme, when the technology contents using the disclosure above make a little change or are modified to equivalent
The equivalent embodiment of variation, as long as being without departing from inventive technique scheme content, the technical spirit according to invention is to above example
Made by any simple modification, equivalent change and modification, in the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of mobile security pre-warning system of piping lane well lid (400), which is characterized in that including follower (100), bobbing machine
Structure (200) and for detect vibration detecting optical cable (300)；
The follower (100) includes traction rope (110), when well lid (400) rise, traction rope (110) movement；
The vibrating mechanism (200) includes billethead pin ratchet, the first torsional spring hinge section (220) and the first percussion bar (230)；Institute
Billethead pin ratchet is stated to include central shaft (211), the reel (212) that is socketed in the central shaft (211), be arranged in the reel
(212) turntable (213) of side and the scrollwork clockwork spring (215) being arranged in the turntable (213), the traction rope (130)
Second end be wrapped on the reel (212), on the turntable (213) include multiple protrusions (214)；The first torsional spring hinge
Chain link (220) is fixed on the side of the turntable (213)；Described first first end hinged described first for tapping bar (230) is turned round
Spring hinge section (220), the first percussion bar (230) are adjacent to by the first torsional spring hinge section (220) in the turntable
(213) in protrusion (214)；When the traction rope (130) move, the billethead pin ratchet is around the central shaft (211)
Rotation, the reciprocating motion for driving the first percussion bar (230) to lift and fall, described first taps the second of bar (230)
End taps detecting optical cable (300) repeatedly.
2. security pre-warning system as described in claim 1, which is characterized in that the follower (100) includes top support
(110) it is fixed at the top of the piping lane of well lid (400) with lever (120), the top support (110), the lever (120)
It is rotatably connected in the top support (110), first end and the well lid (400) phase of the lever (120)
Contact, the second end of the lever (120) connect the first end of the traction rope (130).
3. security pre-warning system as claimed in claim 2, which is characterized in that the top support (110) and the lever
(120) universal joint (140) is connected between.
4. security pre-warning system as claimed in claim 2 or claim 3, which is characterized in that the top support (110) and the lever
(120) torsional spring hinge section (150) is connected between.
5. security pre-warning system as claimed in claim 2, which is characterized in that the lever (120) includes adjusting rod (121),
The first end of the adjusting rod (121) is fixed on the first end of the lever (120), the second end of the adjusting rod (121) with
The well lid (400) is in contact.
6. security pre-warning system as claimed in claim 1 or 2, which is characterized in that the vibrating mechanism (200) further includes second
Torsional spring hinge section (240) and second taps bar (250), and the first end of the second percussion bar (250) is hinged second torsional spring
Hinge section (240), the second percussion bar (250) are adjacent to by the second torsional spring hinge section (240) in the turntable (213)
Protrusion (214) on, it is described second tap bar (250) second end tap detecting optical cable (300), it is described second tap bar
(250) with it is described first tap bar (230) be located at the turntable (213) center to the detecting optical cable (300) line
Both sides.
7. security pre-warning system as claimed in claim 6, which is characterized in that the first torsional spring hinge section (220) with it is described
Second torsional spring hinge section (240) is symmetrical arranged relative to the line at the turntable (213) center to the detecting optical cable (300).
8. security pre-warning system as claimed in claim 7, which is characterized in that described first, which taps bar (230), faces turntable
(213) side is provided with the first protrusion (231), and described second taps being provided in face of the side of turntable (213) for bar (250)
Second protrusion (251).
9. security pre-warning system as claimed in claim 8, which is characterized in that first protrusion (231) is turned round to described first
The distance of spring hinge section (220) is different at a distance from second protrusion (251) to the second torsional spring hinge section (240).
10. security pre-warning system as claimed in claim 1 or 2, which is characterized in that the protrusion (214) of the turntable (213) is
The uniformly distributed multiple cylinders of annular on the turntable (213).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333397.4A CN108385729A (en) | 2018-04-13 | 2018-04-13 | A kind of security pre-warning system of piping lane well lid movement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333397.4A CN108385729A (en) | 2018-04-13 | 2018-04-13 | A kind of security pre-warning system of piping lane well lid movement |
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| Publication Number | Publication Date |
|---|---|
| CN108385729A true CN108385729A (en) | 2018-08-10 |
Family
ID=63072878
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810333397.4A Pending CN108385729A (en) | 2018-04-13 | 2018-04-13 | A kind of security pre-warning system of piping lane well lid movement |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112125196A (en) * | 2020-09-28 | 2020-12-25 | 国网河南省电力公司嵩县供电公司 | Cable trench cover plate opening tool |
| CN113029325A (en) * | 2019-12-24 | 2021-06-25 | 广东美的白色家电技术创新中心有限公司 | Mechanical amplifier and household appliance |
| CN113963499A (en) * | 2021-11-04 | 2022-01-21 | 东莞先进光纤应用技术研究院有限公司 | Optical fiber alarm device and power equipment |
| CN114045878A (en) * | 2021-10-29 | 2022-02-15 | 安徽普瑞明精密机械有限公司 | Safety detection early-warning pipe gallery well cover and early-warning method thereof |
| CN114263502A (en) * | 2021-12-31 | 2022-04-01 | 北京景通科信科技有限公司 | Optical fiber sensing-based mine post-disaster emergency communication method |
| CN114280746A (en) * | 2021-12-31 | 2022-04-05 | 北京景通科信科技有限公司 | Tensioning arrangement structure based on optical fiber network |
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| CN112125196A (en) * | 2020-09-28 | 2020-12-25 | 国网河南省电力公司嵩县供电公司 | Cable trench cover plate opening tool |
| CN114045878A (en) * | 2021-10-29 | 2022-02-15 | 安徽普瑞明精密机械有限公司 | Safety detection early-warning pipe gallery well cover and early-warning method thereof |
| CN114045878B (en) * | 2021-10-29 | 2023-06-23 | 安徽普瑞明精密机械有限公司 | Safety detection early warning pipe gallery well lid and early warning method thereof |
| CN113963499A (en) * | 2021-11-04 | 2022-01-21 | 东莞先进光纤应用技术研究院有限公司 | Optical fiber alarm device and power equipment |
| CN114263502A (en) * | 2021-12-31 | 2022-04-01 | 北京景通科信科技有限公司 | Optical fiber sensing-based mine post-disaster emergency communication method |
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