CN113375731A - Prevent fire door protection factor of safety detecting system - Google Patents
Prevent fire door protection factor of safety detecting system Download PDFInfo
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- CN113375731A CN113375731A CN202110833041.9A CN202110833041A CN113375731A CN 113375731 A CN113375731 A CN 113375731A CN 202110833041 A CN202110833041 A CN 202110833041A CN 113375731 A CN113375731 A CN 113375731A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
Abstract
The invention discloses a system for detecting the safety coefficient of the protection of a fireproof door, which comprises a detector body, wherein a temperature detection cavity with a leftward opening is arranged in the detector body, a temperature detection plate is fixedly arranged on the inner wall of the temperature detection cavity and used for detecting the air temperature, a rotary connecting plate is rotatably connected in the temperature detection cavity, the temperature detection device is characterized in that a connecting plate capable of moving left and right is arranged in the temperature detection cavity, a handheld rod is fixedly arranged on the left end face of the connecting plate, the temperature detection device is small in structure and convenient to carry out handheld detection, the detection mode can be changed through two installation modes of the detector body and the handheld rod, thereby realizing the air tightness and temperature detection of the fireproof door, simultaneously supporting the detection surface through the supporting plate and playing a certain supporting effect, and then improve the detection stability ability of device, and the detector body rotates through rotating the connecting plate and connects and support, and then realizes that the detector body rotates and conveniently carries out subsequent repeated detection.
Description
Technical Field
The invention relates to the technical field of fireproof door detection, in particular to a fireproof door protection safety coefficient detection system.
Background
Fire door is one kind and satisfies fire-resistant stability, integrality and heat-proof quality requirement's door, and prevent fire door product when being concerned with the conflagration accident that takes place, a defence line for ensuring personal safety, and general prevent fire door can pass through strict detection before going out of the field, and to the part prevent fire door of having installed a period, the inconvenient detection of inspection personnel, and if prevent fire door long-time use, probably lead to its heat-proof quality to reduce, and the smog isolation performance who produces when the conflagration also can reduce, and the inconvenient dismantlement of the fire door that general use has been of a specified duration detects.
Disclosure of Invention
The invention aims to provide a system for detecting the protection safety coefficient of a fireproof door, which is used for overcoming the defects in the prior art.
The fire door protection safety factor detection system comprises a detector body, wherein a temperature detection cavity with a left opening is arranged in the detector body, a temperature detection plate is fixedly arranged on the inner wall of the temperature detection cavity and used for detecting air temperature, a rotary connecting plate is rotatably connected in the temperature detection cavity, a connecting plate capable of moving left and right is arranged in the temperature detection cavity, a handheld rod is fixedly arranged on the left end face of the connecting plate, the handheld rod extends outwards and extends towards the vertical direction, a moving cavity with a right opening is arranged in the handheld rod, a pressing plate capable of moving left and right is arranged in the moving cavity, a fan cavity with a downward opening is arranged on the lower end face of the detector body, a rotary fan is rotatably arranged in the fan cavity, a pressure detection cavity with a right opening is arranged in the detector body, and an air pressure detection plate is fixedly arranged on the left wall in the pressure detection cavity, the utility model discloses a pneumatic detection device, including atmospheric pressure detection chamber, fan chamber, fixed slot, the fixed slot who is symmetrical around two wall intercommunications are equipped with around atmospheric pressure detection intracavity, atmospheric pressure detection chamber lower wall with the intercommunication is equipped with the admission line between the fan chamber upper wall, two wall intercommunications are equipped with the annular closed chamber of circle about the atmospheric pressure detection chamber, closed intracavity is equipped with and moves about and has elastic closed ring, detector body up end is equipped with the ascending upset chamber of opening, the right side rotation is equipped with the trip shaft around the upset intracavity between two walls, the outer disc left side fixedly connected with returning face of trip shaft returning face, be equipped with the ascending flexible chamber of opening in the returning face, flexible intracavity is equipped with the backup pad that can reciprocate, the backup pad up end upwards extends to detector body up end top, the backup pad down end with fixedly connected with expanding spring between the flexible chamber lower wall.
According to the technical scheme, a fan protection plate is fixedly arranged at a communication position between a fan cavity and the outside, a rotating shaft is fixedly connected with a rotating center of an upper end face of the rotating fan, a gear cavity is arranged in the upper wall of the fan cavity, the upper end face of the rotating shaft upwards extends into the gear cavity and is fixedly connected with a meshing bevel gear, a rotating bevel gear meshed with the meshing bevel gear is arranged on the rear wall in the gear cavity in a rotating mode, a rotating motor is fixedly arranged on the inner wall of the rear wall of the gear cavity, and the axis of the rear end face of the rotating bevel gear is in power connection with the.
According to a further technical scheme, a centrifugal cavity is arranged in the rear side wall of the rotating motor, a centrifugal wheel is arranged in the centrifugal cavity in a rotating mode, the axis of the front end face of the centrifugal wheel is in power connection with the rotating motor, clutch sliding grooves with outward openings are distributed in the centrifugal wheel in an annular arrangement mode, a movable clutch sliding block is arranged in the clutch sliding grooves, and a clutch spring is fixedly connected between the end face of one side of the axis of the centrifugal wheel, close to the clutch sliding groove, and the side wall of one side of the axis of the centrifugal wheel.
According to a further technical scheme, a switching plate which can move up and down and is vertically symmetrical relative to the centrifugal wheel is arranged in the centrifugal cavity, a switching spring is fixedly connected between the end surface of one side, away from the centrifugal wheel, of the switching plate on the upper side and the end surface of one side, close to the centrifugal wheel, of the switching plate on the lower side and a switching pull rope is fixedly connected between the end surface of one side, away from the centrifugal wheel, of the switching plate on the upper side and the end surface of one side, close to the centrifugal wheel, of the switching plate on the lower side.
According to the technical scheme, a movable spring is fixedly connected between the left end face of the pressing plate and the end face of the left wall of the movable cavity, and a movable pull rope is fixedly connected to the left end face of the pressing plate.
According to the technical scheme, the upper side and the lower side of the rotating connecting plate are provided with the vertically symmetrical clamping sliding grooves with inward openings, clamping cavities which are the same in size and have outward openings are formed in the connecting plate, clamping sliding blocks capable of moving up and down are arranged in the clamping cavities, the clamping sliding blocks are close to one side end face of the symmetric center and close to a side wall of the symmetric center, clamping springs are fixedly connected between the side end face of the symmetric center and the clamping cavities, clamping pull ropes are fixedly connected to one side end face of the symmetric center and the clamping pull ropes are connected with the moving pull ropes.
According to the technical scheme, the left wall of the closed cavity is communicated with a connecting cavity which is vertically symmetrical about the air pressure detection cavity, a connecting slide block which can move left and right is arranged in the connecting cavity, the right end face of the connecting slide block extends to the right in the closed cavity and is fixedly connected with the left end face of the closed ring, the left end face of the connecting slide block is fixedly connected with a connecting spring between the left walls of the connecting cavity, the left end face of the connecting slide block is fixedly connected with a connecting pull rope, and the connecting pull rope is connected with the lower side of the switching pull rope.
According to the technical scheme, a switch cavity is formed in the air inlet pipeline in a communicated mode through the right wall, a switch plate capable of moving left and right is arranged in the switch cavity, the switch plate is magnetic, a switch spring is fixedly connected between the right end face of the switch plate and the end face of the right wall of the switch cavity, and an electromagnet is fixedly arranged on the right wall of the switch cavity.
A further technical scheme, be equipped with the line wheel chamber in the upset chamber back wall, the trip shaft rear end face extends to right line wheel intracavity and fixedly connected with rotate the line wheel, rotate the line wheel outer disc fixed connection and around the upset stay cord of establishing certain length, the upset stay cord with the upside the switching stay cord is connected, rotate line wheel rear end face with fixedly connected with torsion spring between the line wheel chamber back wall.
According to the technical scheme, the upper wall and the lower wall of the closed cavity are internally provided with a detection cavity with an outward opening, a detection shaft is arranged between the front wall and the rear wall of the detection cavity in a rotating mode, a detection fan is fixedly connected to the outer circular surface of the detection shaft, a rotating speed detector used for detecting the rotating speed is fixedly arranged in the rear wall of the detection cavity, and the rear end face of the detection shaft is connected with the rotating speed detector.
The invention has the beneficial effects that: the device is small in structure and convenient for handheld detection, the detection mode can be changed through two installation modes of the detector body and the handheld rod, so that the air tightness and temperature detection of the fireproof door can be realized, meanwhile, the support plate is abutted against the detection surface and plays a certain supporting effect, the detection stability of the device is improved, and the detector body is rotatably connected and supported through the rotating connecting plate, so that the detector body can be rotated conveniently for subsequent repeated detection.
Drawings
FIG. 1 is a schematic view of the system for detecting the safety factor of fire door protection according to the present invention;
FIG. 2 is a schematic view of the internal structure of the system for detecting the safety factor of the fire door protection of the present invention;
FIG. 3 is a schematic view of A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of B-B of FIG. 2 according to the present invention;
FIG. 5 is a schematic view of C-C of FIG. 2 in accordance with the present invention;
fig. 6 is an enlarged partial schematic view of D of fig. 3 according to the present invention.
Detailed Description
For purposes of making the objects and advantages of the present invention more apparent, the following detailed description of the invention, taken in conjunction with the examples, should be understood that the following text is only intended to describe one or more specific embodiments of the invention, and not to strictly limit the scope of the invention as specifically claimed, and as used herein, the terms up, down, left, and right are not limited to their strict geometric definitions, but rather include tolerances for reasonable and inconsistent machining or human error, the following detailed description of which is provided for:
referring to fig. 1-7, the fire door protection safety factor detection system according to the embodiment of the present invention includes a detector body 11, a temperature detection chamber 12 with a leftward opening is provided in the detector body 11, a temperature detection plate 24 is fixedly provided on an inner wall of the temperature detection chamber 12 for detecting air temperature, a rotation connection plate 23 is rotatably connected in the temperature detection chamber 12, a connection plate 44 capable of moving left and right is provided in the temperature detection chamber 12, a handheld rod 20 is fixedly provided on a left end surface of the connection plate 44, the handheld rod 20 extends outward and extends in a vertical direction, a moving chamber 17 with a rightward opening is provided in the handheld rod 20, a pressing plate 19 capable of moving left and right is provided in the moving chamber 17, a fan chamber 26 with a downward opening is provided on a lower end surface of the detector body 11, a rotating fan 27 is rotatably provided in the fan chamber 26, and an air pressure detection chamber 34 with a rightward opening is provided in the detector body 11, an air pressure detection plate 33 is fixedly arranged on the left wall in the air pressure detection cavity 34, front and rear walls in the air pressure detection cavity 34 are communicated with and provided with front and rear symmetrical fixed clamping grooves 32, an air inlet pipeline 61 is communicated between the lower wall of the air pressure detection cavity 34 and the upper wall of the fan cavity 26, circular closed cavities 35 are communicated with the upper and lower walls of the air pressure detection cavity 34, elastic closed rings 48 which can move left and right are arranged in the closed cavities 35, an upward opening turnover cavity 45 is arranged on the upper end face of the detector body 11, a turnover shaft 39 is rotatably arranged on the right side between the front and rear walls in the turnover cavity 45, a turnover plate 43 is fixedly connected to the left side of the outer circular face of the turnover shaft 39, an upward opening telescopic cavity 42 is arranged in the turnover plate 43, a vertical movable support plate 41 is arranged in the telescopic cavity 42, and the upper end face of the support plate 41 upwards extends to the upper end face of the detector body 11, an expansion spring 40 is fixedly connected between the lower end surface of the support plate 41 and the lower wall of the expansion cavity 42.
Beneficially or exemplarily, a fan protection plate 29 is fixedly arranged at a position where the fan cavity 26 communicates with the outside, a rotating shaft 28 is fixedly connected to a rotating center of an upper end surface of the rotating fan 27, a gear cavity 25 is arranged in an upper wall of the fan cavity 26, an upper end surface of the rotating shaft 28 extends upwards into the gear cavity 25 and is fixedly connected with an engaging bevel gear 30, a rotating bevel gear 31 engaged with the engaging bevel gear 30 is rotatably arranged on a rear wall of the gear cavity 25, a rotating motor 46 is fixedly arranged in a rear wall of the gear cavity 25, and a rear end surface of the rotating bevel gear 31 is axially and dynamically connected to the rotating motor 46.
Beneficially or exemplarily, a centrifugal cavity 70 is disposed in a rear side wall of the rotating motor 46, a centrifugal wheel 60 is rotatably disposed in the centrifugal cavity 70, an axial center of a front end surface of the centrifugal wheel 60 is dynamically connected to the rotating motor 46, clutch sliding grooves 55 with outward openings are circumferentially distributed in the centrifugal wheel 60, a movable clutch sliding block 56 is disposed in the clutch sliding groove 55, and a clutch spring 54 is fixedly connected between an end surface of one side of the clutch sliding block 56 close to the axial center of the centrifugal wheel 60 and a side wall of the clutch sliding groove 55 close to the axial center of the centrifugal wheel 60.
Beneficially or exemplarily, a switching plate 58 which can move up and down and is vertically symmetrical with respect to the centrifugal wheel 60 is arranged in the centrifugal cavity 70, a switching spring 57 is fixedly connected between an end surface of one side of the switching plate 58 on the upper and lower sides, which is far away from the centrifugal wheel 60, and an end surface of one side of the switching plate 58 on the upper and lower sides, which is near to the centrifugal wheel 60, of the centrifugal cavity 70, and a switching pull rope 59 is fixedly connected with the end surfaces of one side of the switching plate 58 on the upper and lower sides, which is near to the centrifugal wheel 60.
Advantageously or exemplarily, a moving spring 18 is fixedly connected between the left end surface of the pressing plate 19 and the left wall end surface of the moving cavity 17, and a moving rope 16 is fixedly connected to the left end surface of the pressing plate 19.
Beneficially or exemplarily, the upper side and the lower side in the rotating connecting plate 23 are provided with vertically symmetrical clamping chutes 22 with inward openings, the connecting plate 44 is provided with a clamping cavity 13 with the same size as the clamping chutes 22 and outward openings, the clamping cavity 13 is provided with a clamping slider 21 capable of moving up and down, a clamping spring 14 is fixedly connected between one side end surface of the clamping slider 21 close to the symmetrical center and one side wall of the clamping cavity 13 close to the symmetrical center, one side end surface of the clamping slider 21 close to the symmetrical center is fixedly connected with a clamping pull rope 15, and the clamping pull rope 15 is connected with the moving pull rope 16.
Beneficially or exemplarily, the left wall of the closed cavity 35 is communicated with a connection cavity which is vertically symmetrical with respect to the air pressure detection cavity 34, a connection slider which can move left and right is arranged in the connection cavity, the right end face of the connection slider extends into the closed cavity 35 towards the right and is fixedly connected with the left end face of the closed circular ring 48, a connection spring is fixedly connected between the left end face of the connection slider and the left wall of the connection cavity, a connection pull rope is fixedly connected with the left end face of the connection slider, and the connection pull rope is connected with the lower switching pull rope 59.
Beneficially or exemplarily, a switch cavity 64 is arranged in the air inlet pipeline 61 in a communication manner, a switch plate capable of moving left and right is arranged in the switch cavity 64, the switch plate has magnetism, a switch spring 63 is fixedly connected between the right end face of the switch plate and the end face of the right wall of the switch cavity 64, and an electromagnet is fixedly arranged on the right wall of the switch cavity 64.
Beneficially or exemplarily, a wire wheel cavity 50 is formed in the rear wall of the turning cavity 45, the rear end face of the turning shaft 39 extends rightwards into the wire wheel cavity 50 and is fixedly connected with a rotating wire wheel 52, an outer circular surface of the rotating wire wheel 52 is fixedly connected with a turning pull rope 49 wound by a certain length, the turning pull rope 49 is connected with the switching pull rope 59 on the upper side, and a torsion spring 51 is fixedly connected between the rear end face of the rotating wire wheel 52 and the rear wall of the wire wheel cavity 50.
Advantageously or exemplarily, a detection cavity 38 with an outward opening is formed in the upper wall and the lower wall of the closed cavity 35, a detection shaft 37 is rotatably arranged between the front wall and the rear wall in the detection cavity 38, a detection fan 36 is fixedly connected to the outer circumferential surface of the detection shaft 37, a rotation speed detector 47 for detecting the rotation speed is fixedly arranged in the rear wall of the detection cavity 38, and the rear end surface of the detection shaft 37 is connected to the rotation speed detector 47.
The working process of the invention is as follows:
the fire door to be detected is closed, at the moment, a detector body 11 is driven by a hand-held rod 20 to move to a closed position of the fire door or a closed position between two fire doors at two sides by a detector, at the moment, a pressing plate 19 is pressed inwards, the pressing plate 19 overcomes the elastic action of a moving spring 18 under the pressing force of a detector, at the moment, a moving pull rope 16 is connected with a clamping pull rope 15 to be loosened, at the moment, clamping slide blocks 21 at the upper side and the lower side move outwards under the elastic action of a clamping spring 14 and gradually move to a clamping chute 22 to be clamped, the effect of a stabilizing device is achieved, then the detector abuts against any position of the closed position of the fire door by the right end face of the detector body 11, at the moment, a rotating motor 46 is started, at the moment, the rotating motor 46 rotates and drives a rotating bevel gear 31 to rotate, at the moment, the rotating bevel gear 31 rotates and drives an engaging bevel gear 30 to rotate through gear engagement, at this time, the meshing bevel gear 30 drives the rotating fan 27 to rotate through the transmission of the rotating shaft 28, at this time, the rotating fan 27 rotates and sucks external air and inputs the air into the air pressure detection chamber 34 through the air inlet pipe 61, so that the air pressure in the air pressure detection chamber 34 is increased, at this time, the air pressure in the air pressure detection chamber 34 is detected through the air pressure detection plate 33, at the same time, the rotating motor 46 drives the centrifugal wheel 60 to rotate, at this time, the centrifugal wheel 60 rotates and increases the centrifugal force applied to the clutch slider 56, at this time, the clutch slider 56 moves outwards under the action of the centrifugal force against the elastic force of the clutch spring 54, at this time, the clutch slider 56 moves outwards and pushes the switching plate 58 to move upwards against the elastic force of the switching spring 57, at this time, the switching plate 58 moves upwards and pulls the upper and lower side switching pull ropes 59, at this time, the upper side switching pull ropes 59 move against the torsional spring 51 by connecting and pulling the rotating reel 52, at the moment, the rotating wire wheel 52 rotates and drives the overturning plate 43 to overturn into the overturning cavity 45 through the transmission of the overturning shaft 39, at the same time, the lower side switching pull rope 59 pulls the connecting pull rope to move, at the moment, the connecting pull rope pulls the connecting slide block to move leftwards by overcoming the elastic force of the connecting spring through connection, at the moment, the connecting slide block drives the closed ring 48 to move leftwards through fixed connection, when the air pressure detection plate 33 detects that the air pressure in the air pressure detection cavity 34 is stable, at the moment, the rotating motor 46 stops, at the moment, the rotating fan 27 stops rotating and enables the centrifugal wheel 60 to stop rotating, at the moment, the switching plate 58 resets under the elastic force of the switching spring 57, at the moment, the connecting slide block moves rightwards under the elastic force of the connecting spring, the connecting slide block moves to drive the closed ring 48 to move rightwards integrally and be attached to the detection surface, and reaches stable closure through the elastic surface, and at the same time, the electromagnet is started and has magnetism, at the moment, the switch board overcomes the elastic force action of the switch spring 63 to move leftwards under the pushing action of the magnetic force of the electromagnet, the upper side and the lower side of the air inlet pipeline 61 are sealed, the effect of completely sealing the inside of the air pressure detection cavity 34 is achieved, meanwhile, the rotating wire wheel 52 rotates and resets under the torsional elastic force action of the torsion spring 51, at the moment, the rotating wire wheel 52 drives the turnover shaft 39 to rotate and reset through fixed connection, at the moment, the turnover plate 43 rotates to a vertical state and drives the support plate 41 to rotate to a vertical state, at the moment, the support plate 41 abuts against the detection surface and plays a certain supporting effect, the detection stability of the device is further improved, at the moment, the air pressure inside the air pressure detection cavity 34 is detected through the air pressure detection board 33, if the air pressure is reduced, the gas loss inside the air pressure detection cavity 34 is proved, at the moment, the detection is carried out through the rotating speed detector 47, and if the detection fan 36 is pushed to rotate by the air flow, at this moment, the detecting fan 36 rotates to drive the detecting shaft 37 to rotate and detect the rotating speed through the rotating speed detector 47, at this moment, the situation that gas leakage needs to be detected again due to the fact that the sealing work of the sealing ring 48 is not enough can be judged, on the contrary, the conclusion that the air tightness of the fireproof door is poor can be obtained, when the gas tightness needs to be detected again or the same place needs to be detected again, the detector body 11 can be rotated, the detector body 11 is connected and supported through the rotating connecting plate 23, the detector body 11 is further rotated to conveniently carry out subsequent repeated detection, after the air tightness detection is finished, a detector can loosen and does not press the pressing plate 19, the pressing plate 19 is reset under the elastic force of the moving spring 18, the clamping springs 14 on the upper side and the lower side are reset under the pulling action of the clamping pull rope 15, the clamping slide block 21 and the rotating connecting plate 23 are not, and pulling the connecting plate 44 to move leftwards, at the moment, the hand-held rod 20 can be disconnected from the detector body 11, then, a detection worker can install and rotate the connecting plate 44 into the air pressure detection cavity 34 again, and drive the clamping slide blocks 21 on the two sides to be aligned with the fixed clamping grooves 32, then, the clamping slide blocks 21 are connected with the fixed clamping grooves 32 in a clamping mode by pressing the pressing plate 19, the opening of the temperature detection cavity 12 is opened, at the moment, the left end face of the detector body 11 can be abutted against the surface of a fireproof door to be detected, the temperature is raised at the other end of the fireproof door, and the temperature detection is carried out through the temperature detection plate 24, so that the temperature detection effect of the fireproof door is realized and completed.
The invention has the beneficial effects that: the device is small in structure and convenient for handheld detection, the detection mode can be changed through two installation modes of the detector body and the handheld rod, so that the air tightness and temperature detection of the fireproof door can be realized, meanwhile, the support plate is abutted against the detection surface and plays a certain supporting effect, the detection stability of the device is improved, and the detector body is rotatably connected and supported through the rotating connecting plate, so that the detector body can be rotated conveniently for subsequent repeated detection.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.
Claims (10)
1. The utility model provides a prevent fire door protection factor of safety detecting system, includes the detector body, its characterized in that: a temperature detection cavity with a leftward opening is arranged in the detector body, a temperature detection plate is fixedly arranged on the inner wall of the temperature detection cavity and used for detecting air temperature, a rotating connecting plate is rotatably connected in the temperature detection cavity, a connecting plate capable of moving left and right is arranged in the temperature detection cavity, a handheld rod is fixedly arranged on the left end face of the connecting plate, the handheld rod extends outwards and extends towards the vertical direction, a moving cavity with a rightward opening is arranged in the handheld rod, a pressing plate capable of moving left and right is arranged in the moving cavity, a fan cavity with a downward opening is arranged on the lower end face of the detector body, a rotating fan is rotatably arranged in the fan cavity, an air pressure detection cavity with a rightward opening is arranged in the detector body, an air pressure detection plate is fixedly arranged on the left wall in the air pressure detection cavity, front and rear walls in the air pressure detection cavity are communicated with front and rear symmetrical fixed clamping grooves, and an air inlet pipeline, the utility model discloses a pneumatic detector, including atmospheric pressure detection chamber, upset chamber, turnover shaft, outer disc left side fixedly connected with returning face, the upper end face of the detector body is equipped with the ascending upset chamber of opening, the right side rotates between the two walls around the upset intracavity and is equipped with the trip shaft, the outer disc left side fixedly connected with returning face board of trip shaft, be equipped with the ascending flexible chamber of opening in the returning face board, flexible intracavity is equipped with the backup pad that can reciprocate, the backup pad up end upwards extends to detector body up end top, the backup pad down the terminal surface with fixedly connected with expanding spring between the flexible chamber lower wall.
2. The fire door protection safety factor detection system of claim 1, characterized in that: the fan cavity is fixedly provided with a fan protection plate at a communication position with the outside, a rotating shaft is fixedly connected with a rotating center of the upper end face of the rotating fan, a gear cavity is arranged in the upper wall of the fan cavity, the upper end face of the rotating shaft upwards extends into the gear cavity and is fixedly connected with a meshing bevel gear, a rotating bevel gear meshed with the meshing bevel gear is arranged on the rear wall in the gear cavity in a rotating mode, a rotating motor is fixedly arranged in the rear wall of the gear cavity, and the rear end face axis of the rotating bevel gear is in power connection with the rotating motor.
3. The fire door protection safety factor detection system of claim 2, characterized in that: the centrifugal motor is characterized in that a centrifugal cavity is arranged in the rear side wall of the rotating motor, a centrifugal wheel is rotationally arranged in the centrifugal cavity, the axis of the front end face of the centrifugal wheel is in power connection with the rotating motor, clutch chutes with outward openings are distributed in the centrifugal wheel in an annular arrangement mode, movable clutch sliders are arranged in the clutch chutes, and clutch springs are fixedly connected between the end face of one side of the axis of the centrifugal wheel close to the clutch chutes and the side wall of the axis of the centrifugal wheel close to the clutch chutes.
4. The fire door protection safety factor detection system of claim 3, characterized in that: the centrifugal chamber is internally provided with a switching plate which can move up and down and is vertically symmetrical relative to the centrifugal wheel, the end surface of one side of the switching plate, which is far away from the centrifugal wheel, on the upper side and the lower side of the centrifugal chamber is fixedly connected with a switching spring, and the end surface of one side of the switching plate, which is close to the centrifugal wheel, on the upper side and the lower side of the centrifugal chamber is fixedly connected with a switching pull rope.
5. The fire door protection safety factor detection system of claim 4, characterized in that: the movable spring is fixedly connected between the left end face of the pressing plate and the end face of the left wall of the movable cavity, and the movable pull rope is fixedly connected with the left end face of the pressing plate.
6. The fire door protection safety factor detection system of claim 5, characterized in that: the automatic clamping device is characterized in that an upper side and a lower side in the rotating connecting plate are provided with clamping chutes which are symmetrical up and down and are provided with inward openings, a clamping cavity which is the same as the clamping chutes in size and has an outward opening is arranged in the connecting plate, a clamping slide block which can move up and down is arranged in the clamping cavity, the clamping slide block is close to one side end face of the symmetry center and is fixedly connected with a clamping spring between the side walls of the symmetry center, the clamping slide block is close to one side end face of the symmetry center and is fixedly connected with a clamping pull rope, and the clamping pull rope is connected with the moving pull rope.
7. The fire door protection safety factor detection system of claim 6, characterized in that: the air pressure detection device is characterized in that a connection cavity which is vertically symmetrical about the air pressure detection cavity is formed in the left wall of the closed cavity in a communicated mode, a connection sliding block which can move left and right is arranged in the connection cavity, the right end face of the connection sliding block extends towards the right side into the closed cavity and is fixedly connected with the left end face of the closed circular ring, the left end face of the connection sliding block is fixedly connected with a connection spring between the left wall of the connection cavity, the left end face of the connection sliding block is fixedly connected with a connection stay rope, and the connection stay rope is connected with the lower side of the connection stay rope.
8. The fire door protection safety factor detection system of claim 7, characterized in that: the air inlet pipe is characterized in that a switch cavity is formed in the right wall of the air inlet pipe in a communicated mode, a switch plate capable of moving left and right is arranged in the switch cavity, the switch plate is magnetic, a switch spring is fixedly connected between the right end face of the switch plate and the end face of the right wall of the switch cavity, and an electromagnet is fixedly arranged on the right wall of the switch cavity.
9. The fire door protection safety factor detection system of claim 8, characterized in that: establish the line wheel chamber in the upset chamber back wall, the trip shaft rear end face extends to right line wheel intracavity and fixedly connected with rotate the line wheel, rotate the line wheel excircle fixed connection and around the upset stay cord of establishing certain length, the upset stay cord and upside the switching stay cord is connected, rotate line wheel rear end face with fixedly connected with torsion spring between the line wheel chamber back wall.
10. The fire door protection safety factor detection system of claim 9, characterized in that: the device comprises a closed cavity, a detection shaft, a detection fan, a rotation speed detector and a rotation speed detection device, wherein the upper wall and the lower wall of the closed cavity are internally provided with detection cavities with outward openings, the detection shaft is rotatably arranged between the front wall and the rear wall of the detection cavity, the outer circular surface of the detection shaft is fixedly connected with the detection fan, the inner wall of the detection cavity is internally fixedly provided with the rotation speed detector for detecting the rotation speed, and the rear end face of the detection shaft is connected with the rotation speed detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110833041.9A CN113375731B (en) | 2021-07-22 | 2021-07-22 | Prevent fire door protection factor of safety detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110833041.9A CN113375731B (en) | 2021-07-22 | 2021-07-22 | Prevent fire door protection factor of safety detecting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113375731A true CN113375731A (en) | 2021-09-10 |
| CN113375731B CN113375731B (en) | 2023-03-31 |
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| CN113375731B (en) | 2023-03-31 |
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