CN111821622A - Ejection type high-pressure liquid nitrogen fire rescue equipment - Google Patents
Ejection type high-pressure liquid nitrogen fire rescue equipment Download PDFInfo
- Publication number
- CN111821622A CN111821622A CN202010754528.3A CN202010754528A CN111821622A CN 111821622 A CN111821622 A CN 111821622A CN 202010754528 A CN202010754528 A CN 202010754528A CN 111821622 A CN111821622 A CN 111821622A
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- space
- liquid nitrogen
- ejection
- wall
- centrifugal
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C19/00—Hand fire-extinguishers in which the extinguishing substance is expelled by an explosion; Exploding containers thrown into the fire
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
Abstract
The invention discloses ejection type high-pressure liquid nitrogen fire rescue equipment which comprises a fire rescue auxiliary device, wherein a bottom space is arranged in the fire rescue auxiliary device, an ejection space communicated with the bottom space and an external space is arranged on the upper side of the bottom space, an ejection mechanism is arranged in the bottom space, the ejection mechanism comprises a lifting block, a movement space with an upper opening and a lower opening is arranged in the lifting block, and an electromagnet is fixedly arranged in the movement space; the invention can launch the high-pressure liquid nitrogen tank body for building a fire rescue channel in a launching mode, and realizes the ejection of the liquid nitrogen by matching the eight ejecting pipelines with the autorotation of the liquid nitrogen tank body, so that the liquid nitrogen can be ejected very quickly, a better local fire extinguishing effect is realized, a certain launching stroke can be kept according to the adjustment of a launching angle, the safe and stable use of the invention is ensured, the stable rotating speed of the liquid nitrogen tank body during launching can be ensured, and the use is very safe.
Description
Technical Field
The invention relates to the field related to liquid nitrogen, in particular to ejection type high-pressure liquid nitrogen fire rescue equipment.
Background
Liquid nitrogen, liquid nitrogen. The liquid nitrogen fire extinguishing system is inert, colorless, odorless, non-corrosive, non-combustible and extremely low in temperature, and has development potential for fire fighting due to the characteristics, but most of the existing liquid nitrogen using methods are carried out through pipeline injection, the injection effect is not good, the amount of liquid nitrogen which can be discharged is small, the rapid local fire extinguishing function cannot be achieved, and certain using risks exist.
Disclosure of Invention
The invention aims to provide ejection type high-pressure liquid nitrogen fire rescue equipment, which overcomes the situation.
The invention is realized by the following technical scheme.
The invention relates to ejection type high-pressure liquid nitrogen fire rescue equipment which comprises a fire rescue auxiliary device, wherein a bottom space is arranged in the fire rescue auxiliary device, an ejection space communicated with the bottom space and an external space is arranged on the upper side of the bottom space, an ejection mechanism is arranged in the bottom space and comprises an elevating block, a motion space with an upper opening and a lower opening is arranged in the elevating block, an electromagnet is fixedly arranged in the motion space, a magnet block connected with the motion space in a sliding manner is arranged on the upper side of the electromagnet, the magnet block and the electromagnet are fixedly connected through two connecting springs, a knocking block is fixedly arranged on the upper end surface of the magnet block, an annular sliding groove with an upward opening is arranged on the upper end surface of the elevating block, two sliding blocks are symmetrically arranged in the annular sliding groove in a sliding manner, a rotating seat is fixedly arranged at the upper, a gear ring is embedded in the outer surface of the rotating seat, a connecting cavity with an upper opening and a lower opening is arranged in the gear ring, two circular clamping grooves are fixedly arranged on the inner wall of the lower side of the connecting cavity, and a distance sensor is embedded in the right end face of the lifting block; a rotary accelerating mechanism is arranged on the right side of the liquid nitrogen storage mechanism and comprises a driving motor fixedly arranged on the inner wall of the lower side of the bottom space, a motor shaft is controlled on the upper end face of the driving motor, the upper end of the motor shaft is positioned in a gear bin, the gear bin is positioned on the inner wall of the right side of the ejection space, the opening of the gear bin faces to the left, a driving gear is fixedly arranged on the upper end of the motor shaft, a turntable is fixedly arranged on the motor shaft in the bottom space, six centrifugal cavities with outward openings are uniformly arranged in the turntable, a centrifugal spring is fixedly arranged on the centrifugal cavity close to the inner wall of the motor shaft side, and a centrifugal block in sliding connection with the centrifugal cavities is fixedly arranged on the centrifugal spring; the ejection space is internally provided with a liquid nitrogen storage mechanism which comprises a liquid nitrogen tank body, the liquid nitrogen tank body is placed in the connecting cavity, the lower end face of the liquid nitrogen tank body is provided with two circular clamping grooves for clamping the circular clamping blocks, the lower end face of the liquid nitrogen tank body is provided with a bottom groove with a downward opening, the left and right inner walls of the bottom groove are fixedly provided with a baffle, the lower side of the baffle is provided with a brittle plate, the upper inner wall of the bottom groove is internally provided with a containing cavity, the containing cavity is taken as the center, the liquid nitrogen tank body is internally provided with eight pressure cavities in bilateral symmetry, the pressure cavities are communicated with the containing cavity through a communicating pipeline, a centrifugal slider is arranged in the pressure cavities in a sliding manner, two adjacent centrifugal sliders are fixedly connected through a fixing rod, the centrifugal slider is internally provided, the centrifugal sliding blocks and the pressure cavities are close to the inner wall of the side of the containing cavity and are fixedly connected through pressure springs, and the two centrifugal sliding blocks at the lowest side are connected with the brittle plate through connecting ropes.
Preferably, a storage space with an opening facing the right is arranged in the inner wall of the left side of the ejection space, a rotating motor is embedded in the inner wall of the lower side of the storage space, a rotating shaft is controlled on the upper end face of the rotating motor, three rotating plates are fixedly arranged on the rotating shaft, a liquid nitrogen storage mechanism is also arranged between the two rotating plates, and the inner wall of the upper side of the storage space is communicated with the external space through a placing space.
Preferably, the bottom space downside inner wall is fixed and is equipped with the oil pump, use the oil pump is the center, bilateral symmetry be equipped with two with bottom space downside inner wall fixed connection's guide bar, terminal surface bilateral symmetry is equipped with two guide ways that open side down under the elevator, the guide bar upper end is located in the guide way, terminal surface symmetric control has two to pass about the oil pump the guide bar up end and intercommunication the oil pipe of guide way.
Preferably, the inner wall of the lower side of the bottom space is provided with an ejection adjusting mechanism, the ejection adjusting mechanism comprises a resistor fixedly connected with the inner wall of the lower side of the bottom space, the upper end face of the resistor is bilaterally symmetrically and fixedly provided with insulating blocks, the upper ends of the two insulating blocks are fixedly provided with an iron rod, the iron rod is provided with a sliding iron block in a sliding manner, the right end face of the sliding iron block is fixedly connected with the right side insulating block through a fixed spring, the upper end face of the oil pump is fixedly provided with a power supply, the electromagnet, the power supply and the resistor are electrically connected through a first electric wire, the iron rod is electrically connected with the electromagnet through a second electric wire, the right side of the lower end face of the fire rescue auxiliary device is hinged with a bottom plate, the lower end face of the bottom plate is fixedly provided with a fixed base, the right side of the, the arc hydraulic stem with bottom plate up end fixed connection, bottom space rear side inner wall is equipped with the torsion shaft through torsional spring rotation, fixed reel and the cam of being equipped with on the torsion shaft, the cam is located the reel front side, it has the stay cord to coil on the reel, the stay cord lower extreme is fixed the bottom plate.
The invention has the beneficial effects that: the invention can launch the high-pressure liquid nitrogen tank body for building a fire rescue channel in a launching mode, and realizes the ejection of the liquid nitrogen by matching the eight ejecting pipelines with the autorotation of the liquid nitrogen tank body, so that the liquid nitrogen can be ejected very quickly, a better local fire extinguishing effect is realized, a certain launching stroke can be kept according to the adjustment of a launching angle, the safe and stable use of the invention is ensured, the stable rotating speed of the liquid nitrogen tank body during launching can be ensured, and the use is very safe.
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.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the embodiment of the present invention at A in FIG. 1;
FIG. 3 is an enlarged schematic view of the embodiment of the present invention at B in FIG. 1;
FIG. 4 is a schematic view of the embodiment of the present invention in the direction of C-C in FIG. 1;
FIG. 5 is a schematic view of the embodiment of the present invention in the direction D-D in FIG. 1;
FIG. 6 is a schematic view of the embodiment of the present invention in the direction E-E of FIG. 3;
FIG. 7 is a schematic view showing the direction F-F in FIG. 1 according to an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-7, wherein for ease of description the orientations described below 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.
With reference to fig. 1-7, the ejection type high-pressure liquid nitrogen fire rescue device comprises a fire rescue aid 10, a bottom space 28 is arranged in the fire rescue aid 10, an ejection space 17 communicating the bottom space 28 with an external space is arranged on the upper side of the bottom space 28, an ejection mechanism 82 is arranged in the bottom space 28, the ejection mechanism 82 comprises a lifting block 33, a motion space 36 with an upper opening and a lower opening is arranged in the lifting block 33, an electromagnet 37 is fixedly arranged in the motion space 36, a magnet block 31 slidably connected with the motion space 36 is arranged on the upper side of the electromagnet 37, the magnet block 31 and the electromagnet 37 are fixedly connected through two connecting springs 34, a knocking block 30 is fixedly arranged on the upper end surface of the magnet block 31, an annular chute 72 with an upward opening is arranged on the upper end surface of the lifting block 33, and two sliding blocks 29 are symmetrically and horizontally slidably arranged in the annular chute 72, a rotating base 44 is fixedly arranged at the upper ends of the two sliding blocks 29, a gear ring 45 is embedded on the outer surface of the rotating base 44, a connecting cavity 46 with an upper opening and a lower opening is arranged in the gear ring 45, two circular clamping grooves 48 are fixedly arranged on the inner wall of the lower side of the connecting cavity 46, and a distance sensor 75 is embedded on the right end face of the lifting block 33; a rotary accelerating mechanism 80 is arranged on the right side of the liquid nitrogen storage mechanism 81, the rotary accelerating mechanism 80 comprises a driving motor 71 fixedly arranged on the inner wall of the lower side of the bottom space 28, the upper end face of the driving motor 71 is controlled by a motor shaft 20, the upper end of the motor shaft 20 is positioned in a gear bin 19, the gear bin 19 is positioned on the inner wall of the right side of the ejection space 17, the opening of the gear bin 19 faces to the left, a driving gear 18 is fixedly arranged on the upper end of the motor shaft 20, a turntable 21 is fixedly arranged on the motor shaft 20 in the bottom space 28, six centrifugal cavities 23 with outward openings are uniformly arranged in the turntable 21, a centrifugal spring 24 is fixedly arranged on the inner wall of the centrifugal cavity 23 close to the motor shaft 20 side, and a centrifugal block 22 in sliding connection with the centrifugal cavity 23 is; the ejection space 17 is internally provided with a liquid nitrogen storage mechanism 81, the liquid nitrogen storage mechanism 81 comprises a liquid nitrogen tank body 12, the liquid nitrogen tank body 12 is placed in the connecting cavity 46, the lower end surface of the liquid nitrogen tank body 12 is provided with two circular clamping grooves 48, the circular clamping grooves 48 clamp the circular clamping blocks 47, the lower end surface of the liquid nitrogen tank body 12 is provided with a bottom groove 52 with a downward opening, the inner walls of the left side and the right side of the bottom groove 52 are fixedly provided with a baffle 50, the lower side of the baffle 50 is provided with a brittle plate 49, the inner wall of the upper side of the bottom groove 52 is internally provided with a containing cavity 60, the containing cavity 60 is taken as a center, the liquid nitrogen tank body 12 is internally provided with eight pressure cavities 55 in bilateral symmetry, the pressure cavities 55 are communicated with the containing cavity 60 through a communicating pipeline 61, centrifugal sliding blocks 53 are, the centrifugal slider 53 is internally provided with a connecting conduit 54, the centrifugal slider 53 blocks the communicating pipeline 61, the centrifugal slider 53 is fixedly connected with the inner wall of the pressure cavity 55 close to the containing cavity 60 through a pressure spring 56, and the two centrifugal sliders 53 at the lowest side are connected with the brittle plate 49 through a connecting rope 51.
Beneficially, be equipped with the storage space 11 that the opening is towards the right in the inner wall of ejection space 17 left side, storage space 11 downside inner wall inlays and is equipped with rotating electrical machines 13, rotating electrical machines 13 up end control has pivot 14, the last fixed three commentaries on classics board 15 that is equipped with of pivot 14, two also be equipped with a liquid nitrogen storage mechanism 81 between commentaries on classics board 15, storage space 11 upside inner wall is through putting into space 16 intercommunication external space.
Beneficially, an oil pump 39 is fixedly arranged on the inner wall of the lower side of the bottom space 28, two guide rods 35 fixedly connected with the inner wall of the lower side of the bottom space 28 are arranged in a bilateral symmetry mode with the oil pump 39 as a center, two guide grooves 32 with downward openings are arranged in a bilateral symmetry mode on the lower end face of the lifting block 33, the upper ends of the guide rods 35 are located in the guide grooves 32, and two oil pipes 38 penetrating through the upper end face of the guide rods 35 and communicated with the guide grooves 32 are symmetrically controlled on the left and right end faces of the oil pump 39.
Beneficially, the ejection adjusting mechanism 83 is arranged on the inner wall of the lower side of the bottom space 28, the ejection adjusting mechanism 83 includes a resistor 63 fixedly connected with the inner wall of the lower side of the bottom space 28, the upper end surface of the resistor 63 is bilaterally symmetrically and fixedly provided with insulating blocks 64, the upper ends of the two insulating blocks 64 are fixedly provided with an iron rod 69, the iron rod 69 is slidably provided with a sliding iron block 68, the right end surface of the sliding iron block 68 is fixedly connected with the right side insulating block 64 through a fixing spring 70, the upper end surface of the oil pump 39 is fixedly provided with a power supply 40, the electromagnet 37, the power supply 40 and the resistor 63 are electrically connected through a first electric wire 41, the iron rod 69 is electrically connected with the electromagnet 37 through a second electric wire 42, the right side of the lower end surface of the fire rescue aid 10 is hinged with a bottom plate 27, the lower end surface of the bottom plate 27 is fixedly provided with a fixing base 43, arc hydraulic cylinder 25 control has arc hydraulic stem 26, arc hydraulic stem 26 with bottom plate 27 up end fixed connection, bottom space 28 rear side inner wall rotates through torsional spring 73 and is equipped with torsion shaft 66, the fixed reel 65 and the cam 67 that is equipped with on torsion shaft 66, cam 67 is located reel 65 front side, it has stay cord 62 to coil on reel 65, stay cord 62 lower extreme is fixed bottom plate 27.
In the initial state, the switch inside the power source 40 is turned off, the fixing spring 70 is in a compressed state, and the high-pressure liquid nitrogen is filled in the housing chamber 60.
The using method comprises the following steps:
when a fire disaster occurs, a fire extinguishing passage of a fireman needs to be opened, the oil pump 39 is started, hydraulic oil is conveyed into the two guide grooves 32 through the two oil pipes 38, so that the lifting block 33 is driven to ascend, the lifting block 33 drives the rotary seat 44 and the distance sensor 75 to ascend, so that the liquid nitrogen tank body 12 in the ejection space 17 is driven to ascend, the gear ring 45 ascends along with the lifting of the rotary seat 44 and is meshed with the driving gear 18, the driving motor 71 is started, the motor shaft 20 drives the driving gear 18 and the turntable 21 to rotate, the gear ring 45 is driven to rotate through the meshing of the driving gear 18 and the gear ring 45, so that the rotary seat 44 is driven to rotate, the liquid nitrogen tank body 12 in the rotary seat 44 is driven to rotate through the clamping of the circular clamping block 47 and the circular clamping groove 48, the rotating speed of the liquid nitrogen tank body 12 in the rotary seat 44 is, the centrifugal slider 53 is pulled down by the connecting rope 51, is stopped by the baffle 50 through the brittle plate 49, so that the centrifugal slider 53 cannot be thrown out, the rotating disc 21 increases the rotating speed of the motor shaft 20, so that the centrifugal force applied to the centrifugal block 22 increases, the centrifugal block 22 is thrown out of the centrifugal cavity 23, the centrifugal spring 24 is stretched, and when the rotating speed of the motor shaft 20 reaches a certain value, the rotating speed of the liquid nitrogen tank 12 in the rotating seat 44 also reaches a certain value, the centrifugal block 22 can be detected by the distance sensor 75, the distance sensor 75 controls the internal switch of the power supply 40 to be closed, the electromagnet 37 is electrified, the electromagnet 37 is electrified to generate magnetic force to repel the magnet block 31, the magnet block 31 is pushed to ascend, the magnet block 31 drives the knocking block 30 to ascend, the knocking block 30 ascends to firstly crush the brittle plate 49, the brittle plate 49 is cracked, the brittle plate 49 is not blocked by the baffle 50 any more, the liquid nitrogen tank body 12 is pushed to ascend after the block 30 is knocked, and the liquid nitrogen tank body 12 is ejected in an accelerated manner;
at the moment, the brittle plate 49 is not blocked by the baffle 50, the rotating speed of the liquid nitrogen tank body 12 is kept, the centrifugal slide block 53 moves towards the direction far away from the containing cavity 60 under the action of centrifugal force, and the connecting conduit 54 is communicated with the communicating pipeline 61, so that the liquid nitrogen in the containing cavity 60 is rotationally discharged to the external space along with the liquid nitrogen tank body 12 under the action of self pressure, local quick fire extinguishment on a straight line is carried out, and a fireman is assisted to rescue;
when the launching angle is to be adjusted, the arc hydraulic cylinder 25 is started, the arc hydraulic rod 26 is controlled to move, the fire rescue aid 10 is rotated to a required angle, in the rotating process of the fire rescue aid 10, the pull rope 62 is pulled out from the winding wheel 65 to drive the winding wheel 65 to rotate, the torsion spring 73 is compressed, the cam 67 rotates along with the winding wheel 65, the sliding iron block 68 is pushed to move rightwards firstly, the resistor 63 connected with the sliding iron block 68 is lengthened, namely the resistor connected with a circuit of the resistor 63 is enlarged, the magnetic force generated by electrifying the magnet block 31 is also reduced, the repulsive force borne by the magnet block 31 is reduced, the ejecting force borne by the liquid nitrogen tank body 12 in the ejecting space 17 is also reduced, the liquid nitrogen tank body 12 in the ejecting space 17 can have similar ejecting stroke length after the angle is changed, and when the fire rescue aid 10 launches at a forty-five degree angle relative to the bottom plate 27, the longest end of the cam 67 props against the sliding iron block 68, so that the ejection force borne by the liquid nitrogen tank body 12 in the ejection space 17 during ejection is the smallest, and when the ejection angle is from forty-five degrees to ninety degrees, the ejection force borne by the liquid nitrogen tank body 12 in the ejection space 17 during ejection is gradually increased;
after one-time launching, the rotating motor 13 is started to drive the rotating shaft 14 to rotate, the rotating shaft 14 drives the rotating plate 15 to rotate, and the liquid nitrogen tank body 12 in the storage space 11 is pushed into the rotating base 44 to be launched next time.
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 (4)
1. The utility model provides a launch formula high pressure liquid nitrogen fire rescue equipment, includes fire rescue assistor, its characterized in that: the fire rescue auxiliary device is internally provided with a bottom space, the upper side of the bottom space is provided with an ejection space communicated with the bottom space and an external space, the bottom space is internally provided with an ejection mechanism, the ejection mechanism comprises a lifting block, the lifting block is internally provided with a motion space with an upper opening and a lower opening, the motion space is internally and fixedly provided with an electromagnet, the upper side of the electromagnet is provided with a magnet block which is in sliding connection with the motion space, the magnet block and the electromagnet are fixedly connected through two connecting springs, the upper end surface of the magnet block is fixedly provided with a knocking block, the upper end surface of the lifting block is provided with an annular chute with an upward opening, the annular chute is internally and symmetrically provided with two slide blocks in a sliding manner, the upper ends of the two slide blocks are fixedly provided with a rotary base, the outer surface of the rotary, two circular clamping grooves are fixedly formed in the inner wall of the lower side of the connecting cavity, and a distance sensor is embedded in the right end face of the lifting block; a rotary accelerating mechanism is arranged on the right side of the liquid nitrogen storage mechanism and comprises a driving motor fixedly arranged on the inner wall of the lower side of the bottom space, a motor shaft is controlled on the upper end face of the driving motor, the upper end of the motor shaft is positioned in a gear bin, the gear bin is positioned on the inner wall of the right side of the ejection space, the opening of the gear bin faces to the left, a driving gear is fixedly arranged on the upper end of the motor shaft, a turntable is fixedly arranged on the motor shaft in the bottom space, six centrifugal cavities with outward openings are uniformly arranged in the turntable, a centrifugal spring is fixedly arranged on the centrifugal cavity close to the inner wall of the motor shaft side, and a centrifugal block in sliding connection with the centrifugal cavities is fixedly arranged on the centrifugal spring; the ejection space is internally provided with a liquid nitrogen storage mechanism which comprises a liquid nitrogen tank body, the liquid nitrogen tank body is placed in the connecting cavity, the lower end face of the liquid nitrogen tank body is provided with two circular clamping grooves for clamping the circular clamping blocks, the lower end face of the liquid nitrogen tank body is provided with a bottom groove with a downward opening, the left and right inner walls of the bottom groove are fixedly provided with a baffle, the lower side of the baffle is provided with a brittle plate, the upper inner wall of the bottom groove is internally provided with a containing cavity, the containing cavity is taken as the center, the liquid nitrogen tank body is internally provided with eight pressure cavities in bilateral symmetry, the pressure cavities are communicated with the containing cavity through a communicating pipeline, a centrifugal slider is arranged in the pressure cavities in a sliding manner, two adjacent centrifugal sliders are fixedly connected through a fixing rod, the centrifugal slider is internally provided, the centrifugal sliding blocks and the pressure cavities are close to the inner wall of the side of the containing cavity and are fixedly connected through pressure springs, and the two centrifugal sliding blocks at the lowest side are connected with the brittle plate through connecting ropes.
2. The ejection type high-pressure liquid nitrogen fire rescue device as claimed in claim 1, wherein: the ejection device is characterized in that a storage space with an opening facing the right is arranged in the inner wall of the left side of the ejection space, a rotating motor is embedded in the inner wall of the lower side of the storage space, a rotating shaft is controlled by the upper end face of the rotating motor, three rotating plates are fixedly arranged on the rotating shaft, a liquid nitrogen storage mechanism is also arranged between the rotating plates, and the inner wall of the upper side of the storage space is communicated with the external space through a placing space.
3. The ejection type high-pressure liquid nitrogen fire rescue device as claimed in claim 2, wherein: the fixed oil pump that is equipped with of bottom space downside inner wall, with the oil pump is the center, bilateral symmetry be equipped with two with bottom space downside inner wall fixed connection's guide bar, terminal surface bilateral symmetry is equipped with two opening guide ways down under the elevator, the guide bar upper end is located in the guide way, terminal surface symmetry control has two about the oil pump and passes the guide bar up end and intercommunication the oil pipe of guide way.
4. The ejection type high-pressure liquid nitrogen fire rescue device as claimed in claim 1, wherein: the inner wall of the lower side of the bottom space is provided with an ejection adjusting mechanism, the ejection adjusting mechanism comprises a resistor fixedly connected with the inner wall of the lower side of the bottom space, the upper end surfaces of the resistor are bilaterally and symmetrically fixedly provided with insulating blocks, the upper ends of the two insulating blocks are fixedly provided with an iron rod, the iron rod is provided with a sliding iron block in a sliding manner, the right end surface of the sliding iron block is fixedly connected with the right side insulating block through a fixed spring, the upper end surface of an oil pump is fixedly provided with a power supply, the electromagnet and the power supply are electrically connected with the resistor through a first electric wire, the iron rod is electrically connected with the electromagnet through a second electric wire, the right side of the lower end surface of the fire rescue auxiliary device is hinged with a bottom plate, the lower end surface of the bottom plate is fixedly provided with a fixed base, the right side of, the arc hydraulic stem with bottom plate up end fixed connection, bottom space rear side inner wall is equipped with the torsion shaft through torsional spring rotation, fixed reel and the cam of being equipped with on the torsion shaft, the cam is located the reel front side, it has the stay cord to coil on the reel, the stay cord lower extreme is fixed the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010754528.3A CN111821622A (en) | 2020-07-30 | 2020-07-30 | Ejection type high-pressure liquid nitrogen fire rescue equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010754528.3A CN111821622A (en) | 2020-07-30 | 2020-07-30 | Ejection type high-pressure liquid nitrogen fire rescue equipment |
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| Publication Number | Publication Date |
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| CN111821622A true CN111821622A (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010754528.3A Withdrawn CN111821622A (en) | 2020-07-30 | 2020-07-30 | Ejection type high-pressure liquid nitrogen fire rescue equipment |
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