CN112530135A - Static fire scene alarm capable of adjusting alarm time - Google Patents
Static fire scene alarm capable of adjusting alarm time Download PDFInfo
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- CN112530135A CN112530135A CN202110037338.4A CN202110037338A CN112530135A CN 112530135 A CN112530135 A CN 112530135A CN 202110037338 A CN202110037338 A CN 202110037338A CN 112530135 A CN112530135 A CN 112530135A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1846—Rotary generators structurally associated with wheels or associated parts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1861—Rotary generators driven by animals or vehicles
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The invention relates to the field of fire fighting equipment, and discloses a static fire scene alarm with adjustable alarm time, which comprises a main box body, wherein a power cavity is arranged in the main box body, the upper end wall of the power cavity is communicated with a conversion cavity, a power slide block is connected in the power cavity in a sliding fit manner, the power slide block is driven to reciprocate through the movement of a fireman so as to enable a generator to generate electric energy for providing kinetic energy for the operation of the device, the energy is saved, meanwhile, the alarm time is set before rescue, the alarm sends out an alarm to remind a search and rescue worker after the set static time is exceeded in rescue, so that the fireman who is unconscious or cannot move can be rescued in time, the search and rescue efficiency is improved, the probability of the trapped fireman and the search and rescue worker being injured is reduced, in addition, the alarm time can be adjusted according to the danger degree of the fire scene through an alarm time, the applicability of the alarm device is improved.
Description
Technical Field
The invention relates to the field related to fire fighting equipment, in particular to a static fire scene prevention alarm with adjustable alarm time.
Background
The fire fighter often need go deep into the scene of a fire in the operation of putting out a fire, and the scene of a fire condition is instantaneously changeable, dangerous four volts, and the fire fighter is in the rescue in-process of putting out a fire and is inevitable meet the stupor or be injured by a heavy object and injure the unable condition that removes, and the fire fighter is very difficult to seek help to the external world under this kind of condition, and current rescue mode can only go on through the mode of artifical search and rescue, and this kind of mode inefficiency leads to the fact certain threat to stranded fire fighter and search and rescue personnel's life safety.
Disclosure of Invention
The invention aims to provide a static fire scene alarm with adjustable alarm time, which can overcome the defects in the prior art, thereby improving the practicability of equipment.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a static fire scene alarm capable of adjusting alarm time, which comprises a main box body, wherein a power cavity is arranged in the main box body, a conversion cavity is communicated and arranged on the upper end wall of the power cavity, a power slide block is connected in the power cavity in a sliding fit manner, a power spring is fixedly connected between the lower end surface of the power slide block and the lower end wall of the power cavity, the upper end surface of the power slide block is fixedly connected with a power push rod which extends upwards into the conversion cavity, racks are symmetrically arranged in the power push rod in a left-right manner, a transmission gear cavity is arranged on the front side of the conversion cavity, a centrifugal wheel cavity is arranged on the front side of the transmission gear cavity, a generator positioned on the front side of the centrifugal wheel cavity is arranged in the main box body, a power generation rotating shaft which penetrates through the centrifugal wheel cavity backwards and extends backwards into the transmission gear cavity is fixedly connected on the rear end surface of the generator, the starting push plate is connected with a starting push plate in a sliding fit manner, the left end face of the starting push plate is fixedly connected with a first contact, a first lead is fixedly connected between the first contact and the generator, the left end wall of the starting push plate cavity is fixedly connected with a second contact corresponding to the first contact, the rear side of the starting push plate cavity is provided with a power-off cavity, the left side of the power cavity is provided with a clutch cavity, the left side of the clutch cavity is provided with an alarm nut cavity, the left end wall of the alarm nut cavity is communicated with a torsion spring cavity, the left end wall of the clutch cavity is connected with an alarm lead screw which extends rightwards into the clutch cavity and leftwards into the torsion spring cavity in a rotating fit manner, a torsion spring is fixedly connected between the left end face of the alarm lead screw and the left end wall of the torsion spring cavity, and the alarm nut is connected with the, be equipped with in the warning nut and be located warning lead screw downside magnet, warning nut chamber lower extreme wall intercommunication is equipped with triggers the chamber, it is connected with trigger block to trigger intracavity sliding fit, trigger block lower extreme end with fixedly connected with trigger spring under the chamber between the end wall, trigger chamber left end wall fixedly connected with is located the contact switch of trigger block upside, separation and reunion chamber upper end wall intercommunication is equipped with sleeve gear chamber, sleeve gear chamber left side is equipped with speed governing friction pulley chamber, speed governing friction pulley chamber upper end wall intercommunication is equipped with the cone friction pulley chamber, be equipped with in the main tank and be located the siren on generator right side, terminal surface fixedly connected with telescopic band about the main tank.
On the basis of the technical scheme, a motor is arranged on the upper side of the conical friction wheel cavity in the main box body, the lower end face of the motor is fixedly connected with a driving shaft which extends downwards into the conical friction wheel cavity, the driving shaft is fixedly connected with a conical friction wheel which is arranged in the conical friction wheel cavity, the left end wall of the speed regulating friction wheel cavity is connected with a speed regulating shaft which extends rightwards into the speed regulating friction wheel cavity and leftwards into the outside in a rotating fit manner, the speed regulating shaft is fixedly connected with a knob which is arranged in the outside, the speed regulating shaft is connected with a speed regulating sleeve which is arranged in the speed regulating friction wheel cavity in a threaded fit manner, the left end wall of the speed regulating friction wheel cavity is connected with an intermediate sleeve which extends leftwards into the speed regulating friction wheel cavity and rightwards into the sleeve gear cavity in a rotating fit manner, the right end face of the speed regulating sleeve is connected, the speed regulation friction wheel shaft is connected with the middle sleeve in a spline fit mode.
On the basis of the technical scheme, the speed-regulating friction wheel is fixedly connected to the speed-regulating friction wheel shaft and located in the speed-regulating friction wheel cavity, the speed-regulating friction wheel abuts against the conical friction wheel, the middle sleeve is fixedly connected with a sleeve gear located in the sleeve gear cavity, the alarm screw rod is connected with a clutch sleeve located in the clutch cavity in a spline fit mode, the clutch sleeve is fixedly connected with a clutch gear located in the clutch cavity and meshed with the sleeve gear, the right end face of the clutch sleeve is connected with a sleeve disc in a rotating fit mode, and a clutch spring is fixedly connected between the right end face of the sleeve disc and the right end wall of the clutch cavity.
On the basis of the technical scheme, the rear end wall of the transmission gear cavity is connected with a left power shaft which extends forwards into the transmission gear cavity and extends backwards into the conversion cavity, the left power shaft is positioned on the left side of the power generation rotating shaft, the left power shaft is fixedly connected with a left transmission gear positioned in the transmission gear cavity, the left power shaft is further fixedly connected with a left one-way bearing positioned in the conversion cavity, the left one-way bearing is fixedly connected with a left power gear positioned in the conversion cavity, the left power gear is meshed with the left rack, the rear end wall of the transmission gear cavity is connected with a right power shaft which extends forwards into the transmission gear cavity and extends backwards into the conversion cavity, the right power shaft is positioned on the right side of the power generation rotating shaft, and the right power shaft is fixedly connected with a right transmission gear positioned in the transmission gear cavity, fixedly connected with is located in the electricity generation gear of drive gear intracavity in the electricity generation pivot, the electricity generation gear respectively with left drive gear with right drive gear meshes, the epaxial fixedly connected with in the right side power is located the right one-way bearing in the conversion intracavity, fixedly connected with is located on the one-way bearing in the right side right power gear in the conversion intracavity, right power gear and right side rack toothing.
On the basis of the technical scheme, fixedly connected with is located the centrifugal wheel of centrifugal wheel intracavity in the electricity generation pivot, be equipped with eight in the centrifugal wheel and use electricity generation pivot is central circumference evenly distributed's centrifugal piece chamber, centrifugal piece intracavity sliding fit is connected with centrifugal piece, the terminal surface in the centrifugal piece with fixedly connected with centrifugal spring between the centrifugal piece intracavity end wall, centrifugal wheel chamber front end wall intercommunication is equipped with the response slider chamber, the sliding fit is connected with the response slider in the response slider chamber, response slider front end face with fixedly connected with response spring between the response slider chamber front end wall, response slider front end face still fixedly connected with separation and reunion stay cord, the other end of separation and reunion stay cord with sleeve dish right-hand member face fixed connection.
On the basis of the technical scheme, the power-off cavity is connected with the power-off sliding block in a sliding fit mode, the left end face of the power-off sliding block is fixedly connected with a conductor piece, the right end face of the power-off sliding block is fixedly connected with a power-off spring between the right end walls of the power-off cavity, the right end face of the power-off sliding block is also fixedly connected with a power-off pull rope, the other end of the power-off pull rope is fixedly connected with the front end face of the induction sliding block, the left end wall of the power-off cavity is fixedly connected with a third contact, the third contact is fixedly connected with a first wire between the second contacts, and the left end wall of the power-off cavity is also fixedly connected with a fourth contact on the rear side.
The invention has the beneficial effects that: thereby it produces the electric energy to drive power slider reciprocating motion through fire fighter's removal and make generator work, thereby provide kinetic energy for the device operation, the energy has been practiced thrift, and simultaneously, set for alarm time before the rescue, alarm send out the police dispatch newspaper and remind search and rescue personnel after surpassing the quiescent time of settlement in the rescue, thereby make stupor or the fire fighter that can't remove can in time obtain the rescue, search and rescue efficiency has been improved, reduce the probability of stranded fire fighter and search and rescue personnel injured, in addition, can adjust alarm time according to the fire scene danger degree through alarm time adjustment mechanism, be applicable to the fire scene rescue of various circumstances, alarm device's suitability has been improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic diagram of the overall structure of a static fire scene alarm with adjustable alarm time.
Fig. 2 is a schematic sectional view of a-a in fig. 1.
Fig. 3 is an enlarged schematic view of the structure at B in fig. 1.
Fig. 4 is an enlarged schematic view of the structure at C in fig. 1.
Fig. 5 is an enlarged schematic view of fig. 2 at D.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1-5, the static fire scene alarm with adjustable alarm time comprises a main box body 10, a power cavity 11 is arranged in the main box body 10, a conversion cavity 14 is arranged on the upper end wall of the power cavity 11 in a communicated manner, a power slider 13 is connected in the power cavity 11 in a sliding fit manner, a power spring 12 is fixedly connected between the lower end surface of the power slider 13 and the lower end wall of the power cavity 11, a power push rod 15 extending upwards into the conversion cavity 14 is fixedly connected to the upper end surface of the power slider 13, racks 22 are symmetrically arranged in the power push rod 15 in a left-right manner, a transmission gear cavity 18 is arranged on the front side of the conversion cavity 14, a centrifugal wheel cavity 77 is arranged on the front side of the transmission gear cavity 18, a generator 58 located on the front side of the centrifugal wheel cavity 77 is arranged in the main box body 10, a power generation rotating shaft 73 extending backwards through the centrifugal wheel cavity 77 and backwards into the transmission gear cavity 18 is fixedly connected to the rear end, the main box body 10 is internally provided with a starting push plate cavity 62 which is positioned on the left side of the generator 58 and has a forward opening, the starting push plate cavity 62 is connected with a starting push plate 60 in a sliding fit manner, the left end face of the starting push plate 60 is fixedly connected with a first contact 61, a first contact 61 is fixedly connected with a first lead 59 between the first contact 61 and the generator 58, the left end wall of the starting push plate cavity 62 is fixedly connected with a second contact 63 corresponding to the first contact 61, the rear side of the starting push plate cavity 62 is provided with a power-off cavity 70, the left side of the power cavity 11 is provided with a clutch cavity 57, the left side of the clutch cavity 57 is provided with an alarm nut cavity 50, the left end wall of the alarm nut cavity 50 is communicated with a torsion spring cavity 49, the left end wall of the clutch cavity 57 is connected with an alarm lead screw 52 which extends rightwards to the inside the clutch cavity 57 and leftwards, the left end face of the alarm lead screw 52 is fixedly connected, the alarm screw 52 is connected with an alarm nut 51 which is in sliding fit connection with the alarm nut cavity 50 in a threaded fit manner, a magnet 43 positioned at the lower side of the alarm screw 52 is arranged in the alarm nut 51, the lower end wall of the alarm nut cavity 50 is communicated with a trigger cavity 46, a trigger slide block 44 is connected in the trigger cavity 46 in a sliding fit manner, a trigger spring 45 is fixedly connected between the lower end surface of the trigger slide block 44 and the lower end wall of the trigger cavity 46, a contact switch 47 positioned on the upper side of the trigger slide block 44 is fixedly connected with the left end wall of the trigger cavity 46, the upper end wall of the clutch cavity 57 is communicated with a sleeve gear cavity 40, the left side of the sleeve gear cavity 40 is provided with a speed-regulating friction wheel cavity 34, the upper end wall of the speed regulation friction wheel cavity 34 is communicated with a conical friction wheel cavity 32, an alarm 28 positioned on the right side of the generator 58 is arranged in the main box body 10, and the left end face and the right end face of the main box body 10 are fixedly connected with telescopic belts 16.
In addition, in an embodiment, be located in the main tank body 10 the motor 39 of awl friction wheel chamber 32 upside, terminal surface fixed connection downwardly extending under the motor 39 the driving shaft 38 in the awl friction wheel chamber 32, fixedly connected with is located on the driving shaft 38 the awl friction wheel 37 in the awl friction wheel chamber 32, the end wall normal running fit of speed governing friction wheel chamber 34 left side is connected with and extends to right in the speed governing friction wheel chamber 34 and extend to external speed governing axle 35 left, fixedly connected with is located external knob 36 on the speed governing axle 35, screw-thread fit is connected with and is located on the speed governing axle 35 the speed governing sleeve 33 in the speed governing friction wheel chamber 34, the end wall normal running fit of speed governing friction wheel chamber 34 left side is connected with and extends to left in the speed governing friction wheel chamber 34 and extends to right the middle sleeve 29 in the sleeve gear chamber 40, speed governing sleeve 33 right terminal surface normal running fit is connected with and extends to right the speed governing sleeve 29 in the middle sleeve 29 The friction wheel shaft 30, the speed regulation friction wheel shaft 30 and the intermediate sleeve 29 are in spline fit connection.
In addition, in one embodiment, the speed regulation friction wheel 31 located in the speed regulation friction wheel cavity 34 is fixedly connected to the speed regulation friction wheel shaft 30, the speed regulation friction wheel 31 abuts against the conical friction wheel 37, the sleeve gear 41 located in the sleeve gear cavity 40 is fixedly connected to the intermediate sleeve 29, the clutch sleeve 53 located in the clutch cavity 57 is connected to the alarm screw 52 in a spline fit manner, the clutch gear 42 located in the clutch cavity 57 is fixedly connected to the clutch sleeve 53, the clutch gear 42 is engaged with the sleeve gear 41, the sleeve disc 54 is connected to the right end face of the clutch sleeve 53 in a rotating fit manner, and the clutch spring 55 is fixedly connected between the right end face of the sleeve disc 54 and the right end wall of the clutch cavity 57.
In addition, in one embodiment, the rear end wall of the transmission gear cavity 18 is connected with a left power shaft 20 which extends forwards into the transmission gear cavity 18 and backwards extends into the conversion cavity 14 in a matched manner, the left power shaft 20 is located on the left side of the power generation rotating shaft 73, a left transmission gear 17 which is located in the transmission gear cavity 18 is fixedly connected to the left power shaft 20, a left one-way bearing 19 which is located in the conversion cavity 14 is also fixedly connected to the left power shaft 20, a left power gear 21 which is located in the conversion cavity 14 is fixedly connected to the left one-way bearing 19, the left power gear 21 is meshed with the left rack 22, the rear end wall of the transmission gear cavity 18 is connected with a right power shaft 25 which extends forwards into the transmission gear cavity 18 and backwards extends into the conversion cavity 14 in a matched manner, the right power shaft 25 is located on the right side of the power generation rotating shaft 73, fixedly connected with is located on the right side power shaft 25 right drive gear 26 in transmission gear chamber 18, fixedly connected with is located on the electricity generation pivot 73 electricity generation gear 27 in transmission gear chamber 18, electricity generation gear 27 respectively with left drive gear 17 with right drive gear 26 meshes, it is located to go back fixedly connected with on the right side power shaft 25 right one-way bearing 24 in conversion chamber 14, fixedly connected with is located on the one-way bearing 24 of right side right power gear 23 in conversion chamber 14, right power gear 23 and right side the rack 22 meshes.
In addition, in one embodiment, a centrifugal wheel 78 located in the centrifugal wheel chamber 77 is fixedly connected to the power generating spindle 73, eight centrifugal block cavities 75 which are uniformly distributed in the circumferential direction by taking the power generation rotating shaft 73 as a center are arranged in the centrifugal wheel 78, a centrifugal block 76 is connected in the centrifugal block cavity 75 in a sliding fit manner, a centrifugal spring 74 is fixedly connected between the inner end surface of the centrifugal block 76 and the inner end wall of the centrifugal block cavity 75, the front end wall of the centrifugal wheel cavity 77 is communicated with an induction slide block cavity 79, an induction slide block 80 is connected in the induction slide block cavity 79 in a sliding fit manner, an induction spring 81 is fixedly connected between the front end surface of the induction sliding block 80 and the front end wall of the induction sliding block cavity 79, the front end face of the induction sliding block 80 is also fixedly connected with a clutch pull rope 56, and the other end of the clutch pull rope 56 is fixedly connected with the right end face of the sleeve disc 54.
In addition, in one embodiment, a power-off slider 69 is slidably and fittingly connected in the power-off cavity 70, a conductor sheet 66 is fixedly connected to the left end surface of the power-off slider 69, a power-off spring 71 is fixedly connected between the right end surface of the power-off slider 69 and the right end wall of the power-off cavity 70, a power-off pull rope 72 is further fixedly connected to the right end surface of the power-off slider 69, the other end of the power-off pull rope 72 is fixedly connected to the front end surface of the induction slider 80, a third contact 65 is fixedly connected to the left end wall of the power-off cavity 70, a first lead 64 is fixedly connected between the third contact 65 and the second contact 63, a fourth contact 68 located behind the third contact 65 is further fixedly connected to the left end wall of the power-off cavity 70, and a first lead 67 is fixedly connected between the fourth contact 68.
The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.
As shown in fig. 1-5, when the device of the present invention is in the initial state, the alarm nut 51 is located at the rightmost end of the stroke, the torsion spring 48 is in the relaxed state, the trigger slider 44 is located at the lower side of the trigger cavity 46 and is not in contact with the contact switch 47, the trigger spring 45 is in the relaxed state, the clutch gear 42 is engaged with the sleeve gear 41, the sensing slider 80 is located at the front side of the sensing slider cavity 79, the power-off slider 69 is located at the left side of the power-off cavity 70 to make the conductor sheet 66 contact with the fourth contact 68 and the third contact 65, the power-off spring 71, the sensing spring 81 and the clutch spring 55 are in the relaxed state, the clutch pull rope 56 and the power-off pull rope 72 are;
sequence of mechanical actions of the whole device:
when the fire fighting truck starts working, the starting push plate 60 is manually pushed to move leftwards to enable the first contact 61 to be in contact with the second contact 63, the main box body 10 is fixed on the thigh of a fire fighter through the telescopic belt 16, the fire fighter drives the main box body 10 to move upwards and downwards when moving, the power slide block 13 reciprocates in the power cavity 11 under the action of self inertia and the elastic force of the power spring 12, the power slide block 13 reciprocates to drive the power push rod 15 to reciprocate, when the power push rod 15 moves upwards, the power push rod 15 moves upwards to drive the left power gear 21 to rotate through the left side rack 22, the left power gear 21 rotates to drive the left power shaft 20 to rotate through the left one-way bearing 19, the left power shaft 20 rotates to drive the power generation rotating shaft 73 to rotate through the left transmission gear 17 and the power generation gear 27, at the moment, the right power shaft 25 cannot rotate due to the action of, the power push rod 15 moves downwards to drive the right power gear 23 to rotate through the right rack 22, the right power gear 23 rotates to drive the right power shaft 25 to rotate through the right one-way bearing 24, the right power shaft 25 rotates to drive the power generation rotating shaft 73 to rotate through the right transmission gear 26 and the power generation gear 27, at the moment, the left power shaft 20 cannot rotate due to the action of the left one-way bearing 19, therefore, the reciprocating movement of the power push rod 15 is converted into the rotation of the power generation rotating shaft 73, and the power generation rotating shaft 73 rotates to enable the power generator 58 to generate power and store electric energy.
The power generation rotating shaft 73 rotates and simultaneously drives the centrifugal wheel 78 to rotate, the centrifugal block 76 overcomes the pulling force of the centrifugal spring 74 to move outwards to the rear side of the induction sliding block 80 under the action of self inertia, the induction sliding block 80 overcomes the pulling force of the induction spring 81 to move backwards and pull the power-off pull rope 72 and the clutch pull rope 56 under the action of magnetic attraction of the centrifugal block 76, the power-off sliding block 69 overcomes the pushing force of the power-off spring 71 to move rightwards under the action of the pulling force of the power-off pull rope 72 so that the conductor sheet 66 is disengaged from the fourth contact 68 and the third contact 65, current generated by the generator 58 cannot be transmitted to the motor 39, the sleeve disc 54 overcomes the pushing force of the clutch spring 55 to move rightwards under the action of the pulling force of the clutch pull rope 56 so that the clutch gear 42 is.
When a fireman is unconscious or unable to move due to an accident, the fireman stops rotating the power generation rotating shaft 73 in a static state, the centrifugal block 76 moves back to the centrifugal block cavity 75 under the action of the pulling force of the centrifugal spring 74, the induction slide block 80 loses the magnetic attraction force of the centrifugal block 76 and moves forward under the action of the pulling force of the induction spring 81, the power-off pull rope 72 and the clutch pull rope 56 are loosened, the sleeve disc 54 loses the pulling force of the clutch pull rope 56 and moves leftwards under the action of the pushing force of the clutch spring 55 to reset so as to enable the clutch gear 42 and the sleeve gear 41 to be meshed, the power-off slide block 69 loses the pulling force of the power-off pull rope 72 and moves leftwards under the action of the pushing force of the power-off spring 71 to reset so as to enable the conductor sheet 66 to be contacted with the fourth contact 68 and the third contact 65, so that the current generated by the generator 58 can be transmitted into the, the speed regulation friction wheel shaft 30 rotates to drive the middle sleeve 29 to rotate, the middle sleeve 29 rotates to drive the clutch sleeve 53 to rotate through the sleeve gear 41 and the clutch gear 42, the clutch sleeve 53 rotates to drive the alarm screw 52 to rotate, the torsion spring 48 starts to accumulate force, the alarm screw 52 rotates to drive the alarm nut 51 to move left, the alarm nut 51 moves left to the upper side of the trigger cavity 46 in set static time, the trigger slider 44 overcomes the tensile force of the trigger spring 45 to move upwards under the action of the magnetic attraction of the magnet 43 to touch the contact switch 47, the contact switch 47 controls the alarm 28 to work and give an alarm, a rescuer can judge the position of the fireman according to the alarm 28 so as to rescue the fireman in time, if the fireman does not accidentally continue to move in the set static time, the power generation rotating shaft 73 continues to rotate to enable the power supply of the generator 58 to be incapable, the motor 39 stops running, the clutch gear 42 and the sleeve gear 41 are disengaged, the alarm screw 52 rotates reversely under the action of the torsion spring 48 to enable the alarm nut 51 to reset rightwards, and if the alarm nut needs to be static for a long time, the starting push plate 60 is pushed rightwards to enable the first contact 61 and the second contact 63 to be disengaged.
When the rescue setting rest time needs to be adjusted according to the fire scene condition, the rotating knob 36 drives the speed regulating shaft 35 to rotate, the speed regulating shaft 35 drives the speed regulating sleeve 33 to rotate to move in the speed regulating friction wheel cavity 34, the speed regulating sleeve 33 moves to drive the speed regulating friction wheel shaft 30 to move in the speed regulating friction wheel cavity 34 so as to change the abutting position of the speed regulating friction wheel 31 and the cone friction wheel 37, the rotating speed transmitted by the driving shaft 38 to the alarm screw 52 can be changed by changing the abutting position of the speed regulating friction wheel 31 and the cone friction wheel 37, and the time that the alarm nut 51 moves leftwards to the leftmost end of the stroke, namely the set rest time, is changed.
The invention has the beneficial effects that: thereby it produces the electric energy to drive power slider reciprocating motion through fire fighter's removal and make generator work, thereby provide kinetic energy for the device operation, the energy has been practiced thrift, and simultaneously, set for alarm time before the rescue, alarm send out the police dispatch newspaper and remind search and rescue personnel after surpassing the quiescent time of settlement in the rescue, thereby make stupor or the fire fighter that can't remove can in time obtain the rescue, search and rescue efficiency has been improved, reduce the probability of stranded fire fighter and search and rescue personnel injured, in addition, can adjust alarm time according to the fire scene danger degree through alarm time adjustment mechanism, be applicable to the fire scene rescue of various circumstances, alarm device's suitability has been improved.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an adjustable alarm time's static fire scene alarm of preventing, includes the main tank body, its characterized in that: the power box is characterized in that a power cavity is arranged in the main box body, the upper end wall of the power cavity is communicated with a conversion cavity, a power slider is connected in the power cavity in a sliding fit manner, a power spring is fixedly connected between the lower end face of the power slider and the lower end wall of the power cavity, a power push rod extending upwards into the conversion cavity is fixedly connected to the upper end face of the power slider, racks are symmetrically arranged in the power push rod in a left-right manner, a transmission gear cavity is arranged at the front side of the conversion cavity, a centrifugal wheel cavity is arranged at the front side of the transmission gear cavity, a generator positioned at the front side of the centrifugal wheel cavity is arranged in the main box body, a power generation rotating shaft penetrating through the centrifugal wheel cavity backwards and extending backwards into the transmission gear cavity is fixedly connected to the rear end face of the generator, a starting push plate cavity positioned at the left side of the generator, the left end surface of the starting push plate is fixedly connected with a first contact, a first lead is fixedly connected between the first contact and the generator, the left end wall of the starting push plate cavity is fixedly connected with a second contact corresponding to the first contact, the rear side of the starting push plate cavity is provided with a power-off cavity, the left side of the power cavity is provided with a clutch cavity, the left side of the clutch cavity is provided with an alarm nut cavity, the left end wall of the alarm nut cavity is communicated with a torsion spring cavity, the left end wall of the clutch cavity is connected with an alarm screw rod which extends rightwards into the clutch cavity and leftwards into the torsion spring cavity in a rotating fit manner, a torsion spring is fixedly connected between the left end surface of the alarm screw rod and the left end wall of the torsion spring cavity, the alarm screw rod is connected with an alarm nut in a sliding fit manner with the alarm nut cavity, and a magnet positioned, alarm nut chamber lower extreme wall intercommunication is equipped with triggers the chamber, it is connected with the trigger slider to trigger intracavity sliding fit, trigger slider lower terminal surface with fixedly connected with trigger spring under the chamber between the terminal wall, trigger chamber left end wall fixedly connected with be located the contact switch of trigger slider upside, separation and reunion chamber upper end wall intercommunication is equipped with sleeve gear chamber, sleeve gear chamber left side is equipped with speed governing friction pulley chamber, speed governing friction pulley chamber upper end wall intercommunication is equipped with the cone friction pulley chamber, be equipped with in the main tank and be located the siren on generator right side, terminal surface fixedly connected with telescopic band about the main tank.
2. The static fire scene alarm with adjustable alarm time of claim 1, wherein: the motor is arranged on the upper side of the conical friction wheel cavity in the main box body, the lower end face of the motor is fixedly connected with a driving shaft which extends downwards into the conical friction wheel cavity, the driving shaft is fixedly connected with a conical friction wheel which is arranged in the conical friction wheel cavity, the left end wall of the speed-regulating friction wheel cavity is connected with a speed-regulating shaft which extends rightwards into the speed-regulating friction wheel cavity and extends leftwards to the outside in a matched manner, the speed-regulating shaft is fixedly connected with a knob which is arranged outside, the speed-regulating shaft is connected with a speed-regulating sleeve which is arranged in the speed-regulating friction wheel cavity in a matched manner by screw threads, the left end wall of the speed-regulating friction wheel cavity is connected with an intermediate sleeve which extends leftwards into the speed-regulating friction wheel cavity and extends rightwards into the sleeve gear cavity in a matched manner, and, the speed regulation friction wheel shaft is connected with the middle sleeve in a spline fit mode.
3. The static fire scene alarm with adjustable alarm time of claim 2, wherein: the upper fixedly connected with of speed governing friction pulley shaft is located the speed governing friction pulley of speed governing friction pulley intracavity, the speed governing friction pulley with awl friction pulley butt, fixedly connected with is located on the middle sleeve gear of sleeve gear intracavity, spline fit connection has the clutch sleeve that is located the clutch intracavity on the warning lead screw, fixedly connected with is located on the clutch sleeve clutch gear of intracavity, clutch gear with sleeve gear meshing, clutch sleeve right-hand member face normal running fit is connected with the sleeve dish, sleeve dish right-hand member face with fixedly connected with separation and reunion spring between the clutch chamber right-hand member wall.
4. The static fire scene alarm with adjustable alarm time of claim 1, wherein: the transmission gear cavity rear end wall is connected with a left power shaft which extends forwards into the transmission gear cavity and extends backwards into the conversion cavity, the left power shaft is positioned on the left side of the power generation rotating shaft, the left power shaft is fixedly connected with a left transmission gear which is positioned in the transmission gear cavity, the left power shaft is also fixedly connected with a left one-way bearing which is positioned in the conversion cavity, the left one-way bearing is fixedly connected with a left power gear which is positioned in the conversion cavity, the left power gear and the left side of the rack are meshed, the transmission gear cavity rear end wall is connected with a right power shaft which extends forwards into the transmission gear cavity and extends backwards into the conversion cavity, the right power shaft is positioned on the right side of the power generation rotating shaft, and the right power shaft is fixedly connected with a right transmission gear which is positioned in the transmission gear cavity, fixedly connected with is located in the electricity generation gear of drive gear intracavity in the electricity generation pivot, the electricity generation gear respectively with left drive gear with right drive gear meshes, the epaxial fixedly connected with in the right side power is located the right one-way bearing in the conversion intracavity, fixedly connected with is located on the one-way bearing in the right side right power gear in the conversion intracavity, right power gear and right side rack toothing.
5. The static fire scene alarm with adjustable alarm time of claim 1, wherein: the centrifugal wheel is fixedly connected with the power generation rotating shaft and located in a centrifugal wheel cavity, eight centrifugal block cavities are formed in the centrifugal wheel, the power generation rotating shaft is circumferentially and uniformly distributed as the center, centrifugal blocks are connected in a sliding fit mode in the centrifugal block cavities, end faces in the centrifugal blocks and centrifugal springs are fixedly connected between end walls in the centrifugal block cavities, induction slider cavities are formed in the front end walls of the centrifugal wheel cavities in a communicated mode, induction sliders are connected in a sliding fit mode in the induction slider cavities, induction springs are fixedly connected between front end faces of the induction sliders and the front end walls of the induction slider cavities, clutch pull ropes are further fixedly connected to the front end faces of the induction sliders, and the other ends of the clutch pull ropes are fixedly connected with the right end face of the sleeve plate.
6. The static fire scene alarm with adjustable alarm time of claim 1, wherein: outage intracavity sliding fit is connected with the outage slider, outage slider left end face fixedly connected with conductor piece, outage slider right-hand member with fixedly connected with outage spring between the outage chamber right-hand member wall, outage slider right-hand member face still fixedly connected with outage stay cord, the other end of outage stay cord with terminal surface fixed connection before the response slider, outage chamber left end wall fixedly connected with third contact, the third contact with the first wire of fixedly connected with between the second contact, outage chamber left end wall still fixedly connected with is located the fourth contact of third contact rear side, the fourth contact with the first wire of fixedly connected with between the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110037338.4A CN112530135A (en) | 2021-01-12 | 2021-01-12 | Static fire scene alarm capable of adjusting alarm time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110037338.4A CN112530135A (en) | 2021-01-12 | 2021-01-12 | Static fire scene alarm capable of adjusting alarm time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112530135A true CN112530135A (en) | 2021-03-19 |
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ID=74977442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110037338.4A Withdrawn CN112530135A (en) | 2021-01-12 | 2021-01-12 | Static fire scene alarm capable of adjusting alarm time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112530135A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114191760A (en) * | 2022-01-24 | 2022-03-18 | 李萍 | Fire-extinguishing rescue system |
-
2021
- 2021-01-12 CN CN202110037338.4A patent/CN112530135A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114191760A (en) * | 2022-01-24 | 2022-03-18 | 李萍 | Fire-extinguishing rescue system |
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Application publication date: 20210319 |