CN111760212A - Emergency protection device for experiment dealing with violent reaction phenomenon - Google Patents
Emergency protection device for experiment dealing with violent reaction phenomenon Download PDFInfo
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- CN111760212A CN111760212A CN202010681888.5A CN202010681888A CN111760212A CN 111760212 A CN111760212 A CN 111760212A CN 202010681888 A CN202010681888 A CN 202010681888A CN 111760212 A CN111760212 A CN 111760212A
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- experiment table
- fixedly connected
- sand
- experiment
- shell
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0045—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using solid substances, e.g. sand, ashes; using substances forming a crust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/02—Laboratory benches or tables; Fittings therefor
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- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The invention discloses an emergency protection device for an experiment for coping with violent reaction phenomena, which comprises an experiment table shell, wherein the experiment table shell is internally provided with an inner space of the experiment table shell, the surface of the upper side of the experiment table shell is fixedly connected with a vertical partition plate, the upper side of the vertical partition plate is provided with a spraying device for spraying sandy soil, the lower side of the vertical partition plate is provided with an experiment table for carrying out the experiment, the experiment table comprises a quick dropping device and a transmission device, the experiment personnel do not need to carry out short-range treatment on an accident, an out-of-control reaction is put into a closed space to isolate a combustion improver after the device is started, and the device is also provided with a sandy soil spraying device to extinguish an open fire on the surface.
Description
Technical Field
The invention relates to the field of relevant experiment workbenches, in particular to an emergency protection device for an experiment dealing with a violent reaction phenomenon.
Background
When carrying out the chemistry experiment, take place the uncontrollable situation of reaction occasionally, can produce a large amount of gases or heat after taking place the excitation reaction, open flame can take place even, if the experimenter can not in time keep safe distance with the laboratory bench this moment, can threaten the experimenter safety, if the experimenter does not do corresponding emergency treatment to the laboratory bench, then bigger accident can take place, so I need can be under the circumstances of guaranteeing the experimenter safety, can independently make the laboratory bench device of corresponding processing.
Disclosure of Invention
The present invention is directed to an emergency protection device for experiments dealing with severe reaction phenomena, so as to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an emergency protection device for experiments aiming at violent reaction phenomena comprises an experiment table shell, wherein the inner space of the experiment table shell is arranged in the experiment table shell, the surface of the upper side of the experiment table shell is fixedly connected with a vertical partition plate, the upper side of the vertical partition plate is provided with an injection device for injecting sandy soil, the lower side of the vertical partition plate is provided with an experiment table for performing experiments, the experiment table comprises a quick falling device and a transmission device, the experiment table is symmetrically distributed about the central line of the vertical partition plate, the quick falling device comprises a chute baffle plate fixedly connected with the upper side of the experiment table shell, the upper side surface of the chute baffle plate is slidably connected with a sliding baffle plate, the front side and the rear side of the sliding baffle plate are respectively hinged with an emergency falling rod, the right side of the emergency falling rod is hinged with a main experiment platform, the left side surface and the right side, the device is characterized in that a vertical sliding block is fixedly connected to the lower side of the sliding baffle, a circular sliding block is fixedly connected to the lower side of the vertical sliding block, a longitudinal slideway is formed in the rear side face of the inner space of the experiment table shell, the circular sliding block is connected with the longitudinal slideway in a sliding mode, a dropping stay cord is fixedly connected to the circular sliding block, a dropping space is arranged on the right side of the inner space of the experiment table shell, a reversing pulley is fixedly connected to the rear side face of the dropping space, the surface of the reversing pulley is abutted against the dropping stay cord, a dropping space shell is fixedly connected to the lower side of the experiment table shell, a dropping tail end space is arranged in the dropping space shell, a pulling motor is fixedly connected to the rear side face of the dropping tail end space, a pulling motor is dynamically connected to the front side face of the pulling motor, a pulling motor gear is, drag gear leading flank fixedly connected with and draw the pulley, draw fixedly connected with tenesmus stay cord on the pulley, when the experiment is uncontrollable, open draw the motor, make draw the motor shaft rotation, thereby make draw and draw motor gear revolve, thereby make draw and draw the pulley and rotate, thereby make the tenesmus stay cord is in draw and draw the winding on the pulley, thereby make the tenesmus stay cord pulling circular slider is in slide right under longitudinal slide's the restraint, thereby be slide damper slides right, thereby make emergent sinker lever rotation down, thereby establish main experiment platform lapse to assigned position, thereby make two slide damper offsets, thereby make the laboratory vessel be in the enclosure space in order to protect experimenter safety.
Preferably, the experiment table comprises a fixing mechanism for preventing the splashing of the experiment utensil when the quick dropping device operates, an inner space of the experiment table is arranged in the main experiment platform, the fixing mechanism is symmetrically distributed about a vertical central line of the main experiment platform, a spring baffle is fixedly connected to the rear side surface of the inner space of the experiment table, a first spring is fixedly connected to the right side of the spring baffle, a reset slider of the experiment table is fixedly connected to the right side of the first spring, the reset slider of the experiment table is slidably connected with the main experiment platform, an experiment table rear end rod is hinged on the reset slider of the experiment table, an experiment table main rod is hinged on the right side of the experiment table rear end rod, a test tube clamp is hinged on the rear side surface of the experiment table main rod, five test tube ports are formed on the test tube clamp, the test tube clamp can abut against the main experiment platform, and an experiment table front section rod, the left side of the experiment table front section rod is hinged with a utensil clamping slide block, the lower side surface of the inner space of the experiment table is provided with a utensil clamping slide way, the utensil clamping slide block is in sliding connection with the utensil clamping slide way, the left side of the utensil clamping slide block is fixedly connected with a utensil clamp, two utensil clamping slide blocks are fixedly connected with a utensil clamp reset spring, the two utensil clamps can be abutted against corresponding experiment utensils so as to keep the stability of the utensil clamping slide way, the upper side surface of the main experiment platform is provided with an experiment table surface slide way, a poking block is in sliding connection with the experiment table surface slide way, the lower side of the poking block is fixedly connected with the experiment table rear end rod, when the experiment utensils need to be taken from the experiment table, the hand is used for poking the lower side of the experiment table surface slide way downwards, so that the experiment table rear end rod rotates, thereby enabling the experiment table reset slide, therefore, the first spring is stretched, the experiment table front section rod rotates, the vessel clamp sliding block slides leftwards, the vessel clamp return spring is stretched, the fixing mechanism is in a loosening state, the poking block is released, and under the action of the vessel clamp return spring and the first spring returning to the original length, the fixing device returns to a normally closed state, so that the experiment vessel is clamped.
Preferably, the spraying device comprises a spraying shell fixedly connected with the upper side of the vertical partition plate, a spraying shell space is arranged in the spraying shell, a sandy soil through pipe is fixedly connected with the upper side of the spraying shell, a sandy soil through pipe space is arranged in the sandy soil through pipe, the upper side of the sandy soil through pipe space is communicated with a sand storage space, a control turntable is rotatably connected in the sandy soil through pipe, the surface of the control turntable is fixedly connected with an outer toothed ring of the control turntable, a first gear of the outer toothed ring is rotatably connected with the upper side of the spraying shell, the right side of the first gear of the outer toothed ring is meshed with the outer toothed ring of the control turntable, a power shaft is rotatably connected with the upper side of the spraying shell, a second gear of the outer toothed ring is fixedly connected with the upper side of the power shaft, a spraying motor is fixedly connected with the upper side of the inner, the lower side of the spraying motor is in power connection with a lower side power shaft, the lower side of the lower side power shaft is fixedly connected with a first bevel gear, the rear side surface of the space of the spraying shell is in rotating connection with a bevel gear shaft, the left side of the bevel gear shaft is fixedly connected with a second bevel gear, the right side of the bevel gear shaft is fixedly connected with a third bevel gear, the spraying shell is in rotating connection with a sand and soil spraying pipe, the surface of the sand and soil spraying pipe is fixedly connected with a sand and soil spraying pipe outer gear ring, the sand and soil spraying pipe outer gear ring is meshed with the second bevel gear, the lower side of the sand and soil spraying pipe is fixedly connected with a sand and soil spraying plate, the sand and soil spraying plate is evenly provided with spraying ports, the spraying ports can throw out sand and soil, the control rotary plate is provided with sand and soil through ports, and starting the spraying motor, so that the power shaft rotates, so that the outer gear ring second gear rotates, so that the outer gear ring first gear rotates, so that the control turntable outer gear ring rotates, so that the control turntable rotates, so that the sand and soil through opening rotates, so that sand and soil in the sand and soil through pipe space falls into the sand and soil injection pipe, the lower power shaft rotates, so that the first bevel gear rotates, so that the third bevel gear rotates, so that the bevel gear shaft rotates, so that the second bevel gear rotates, so that the sand and soil injection pipe outer gear ring rotates, so that the sand and soil injection pipe rotates, so that the sand and soil injection plate rotates, so that sand and soil is thrown out of the injection opening to extinguish open fire on the experiment table.
In conclusion, the beneficial effects of the invention are as follows: the accident close-range treatment by experimenters is not needed, the out-of-control reaction is put into a closed space to isolate combustion improver after the device is started, and a sand and soil injection device is also arranged to extinguish the open fire on the surface of the experiment table.
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 overall sectional front view of an emergency protection device for experiments dealing with severe reaction phenomena according to the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a state view of the present invention showing the operation of the dropping device of FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B in accordance with the present invention;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 3 in accordance with the present invention;
fig. 6 is a cross-sectional view taken along line D-D of fig. 1 in accordance with the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, front and rear directions described below correspond to the front, back, left, right, top and bottom directions of the view direction of fig. 1, fig. 1 is a front view of the apparatus of the present invention, and the directions shown in fig. 1 correspond to the front, back, left, right, top and bottom directions of the apparatus of the present invention.
Referring to fig. 1-6, an embodiment of the present invention is shown: an emergency protection device for dealing with experiments with violent reaction phenomena comprises an experiment table shell 22, wherein an experiment table shell inner space 21 is arranged in the experiment table shell 22, the surface of the upper side of the experiment table shell 22 is fixedly connected with a vertical partition plate 70, the upper side of the vertical partition plate 70 is provided with a spraying device for spraying sandy soil, the lower side of the vertical partition plate 70 is provided with an experiment table for performing experiments, the experiment table comprises a quick falling device and a transmission device, the experiment table is symmetrically distributed about the central line of the vertical partition plate 70, the quick falling device comprises an experiment table shell 22, the upper side of the experiment table shell 22 is fixedly connected with a chute baffle plate 15, the upper side of the chute baffle plate 15 is slidably connected with a sliding baffle plate 17, the front side and the rear side of the sliding baffle plate 17 are respectively hinged with an emergency falling rod 16, the right side of the emergency falling rod 16 is hinged with a main experiment platform 11, the left side and the right, the lower side of the sliding baffle 17 is fixedly connected with a vertical sliding block 18, the lower side of the vertical sliding block 18 is fixedly connected with a circular sliding block 19, the rear side of the inner space 21 of the experiment table shell is provided with a longitudinal slide way 20, the circular sliding block 19 is connected with the longitudinal slide way 20 in a sliding manner, the circular sliding block 19 is fixedly connected with a falling pull rope 25, the right side of the inner space 21 of the experiment table shell is provided with a falling space 24, the rear side of the falling space 24 is fixedly connected with a reversing pulley 23, the surface of the reversing pulley 23 is abutted against the falling pull rope 25, the lower side of the experiment table shell 22 is fixedly connected with a falling space shell 26, the falling space shell 26 is internally provided with a falling tail end space 27, the rear side of the falling tail end space 27 is fixedly connected with a pulling motor 29, the front side of the pulling motor 29 is dynamically connected with a pulling motor shaft 31, the, the rear side surface of the falling tail end space 27 is rotatably connected with a pulling gear 33, the front side surface of the pulling gear 33 is fixedly connected with a pulling pulley 32, the pulling pulley 32 is fixedly connected with a falling pull rope 25, when an experiment is uncontrollable, the pulling motor 29 is opened, the pulling motor shaft 31 is rotated, the pulling motor gear 30 is rotated, the pulling gear 33 is rotated, the pulling pulley 32 is rotated, the falling pull rope 25 is wound on the pulling pulley 32, the falling pull rope 25 pulls the circular slide block 19 to slide rightwards under the restriction of the longitudinal slide way 20, the sliding baffle 17 slides rightwards, the emergency falling rod 16 is rotated, the main experiment platform 11 is arranged to slide downwards to a specified position, and the two sliding baffles 17 are abutted, thereby the laboratory vessel is in the enclosure space to protect the safety of laboratory personnel.
In addition, in one embodiment, the experiment table comprises a fixing mechanism for preventing the labware from splashing when the quick drop device operates, the main experiment platform 11 is internally provided with an experiment table inner space 12, the fixing mechanism is symmetrically distributed about the vertical central line of the main experiment platform 11, the rear side surface of the experiment table inner space 12 is fixedly connected with a spring baffle plate 41, the right side of the spring baffle plate 41 is fixedly connected with a first spring 40, the right side of the first spring 40 is fixedly connected with an experiment table reset sliding block 39, the experiment table reset sliding block 39 is in sliding connection with the main experiment platform 11, the experiment table reset sliding block 39 is hinged with an experiment table rear end rod 38, the right side of the experiment table rear end rod 38 is hinged with an experiment table main rod 44, the rear side surface of the experiment table main rod 44 is hinged with a test tube clamp 43, the test tube clamp 43 is provided with five test tube openings 42, the test tube clamp 43 can be abutted against the main experiment platform 11, the lower side of the experiment platform main rod 44 is hinged with the experiment platform front section rod 36, the left side of the experiment platform front section rod 36 is hinged with the vessel clamp sliding block 35, the lower side of the experiment platform inner space 12 is provided with the vessel clamp sliding way 45, the vessel clamp sliding block 35 is in sliding connection with the vessel clamp sliding way 45, the left side of the vessel clamp sliding block 35 is fixedly connected with the vessel clamp 13, the vessel clamp reset spring 14 is fixedly connected between the two vessel clamp sliding blocks 35, the two vessel clamps 13 can be abutted against the corresponding experiment vessel to keep the stability of the experiment platform, the upper side surface of the main experiment platform 11 is provided with the experiment platform surface sliding way 48, the experiment platform surface sliding way 48 is slidably connected with the poking block 47, the lower side of the poking block 47 is fixedly connected with the experiment platform rear end rod 38, when the experiment vessel needs to be taken on the experiment platform, the dial block 47 is shifted downwards by hand to the lower side of the test bed surface sliding groove 48, so that the test bed rear end rod 38 rotates, the test bed reset sliding block 39 rotates rightwards, the first spring 40 is stretched, the test bed front section rod 36 rotates, the vessel clamp sliding block 35 slides leftwards, the vessel clamp 13 slides leftwards, the vessel clamp reset spring 14 is stretched, the fixing mechanism is in a loose state, the dial block 47 is released, and under the action of the vessel clamp reset spring 14 and the first spring 40 returning to the original length, the fixing device returns to a normally closed state, so that a test vessel is clamped.
In addition, in one embodiment, the spraying device comprises a spraying shell 50 fixedly connected to the upper side of the vertical partition 70, a spraying shell space 51 is arranged in the spraying shell 50, a sand-soil through pipe 52 is fixedly connected to the upper side of the spraying shell 50, a sand-soil through pipe space 71 is arranged in the sand-soil through pipe 52, the upper side of the sand-soil through pipe space 71 is communicated with a sand storage space, a control turntable 53 is rotatably connected to the sand-soil through pipe 52, a control turntable outer gear ring 54 is fixedly connected to the surface of the control turntable 53, an outer gear ring first gear 55 is rotatably connected to the upper side of the spraying shell 50, a control turntable outer gear ring 54 is meshed to the right side of the outer gear ring first gear 55, a power shaft 57 is rotatably connected to the upper side of the spraying shell 50, an outer gear ring second gear 56 is fixedly connected to the upper side of the power shaft 57, a spraying motor 58 is fixedly connected to the upper, the upper side of the spraying motor 58 is connected with a power shaft 57, the lower side of the spraying motor 58 is connected with a lower power shaft 59, the lower side of the lower power shaft 59 is fixedly connected with a first bevel gear 60, the rear side surface of the spraying shell space 51 is rotationally connected with a bevel gear shaft 62, the left side of the bevel gear shaft 62 is fixedly connected with a second bevel gear 63, the right side of the bevel gear shaft 62 is fixedly connected with a third bevel gear 61, the spraying shell 50 is rotationally connected with a sand spraying pipe 68, the surface of the sand spraying pipe 68 is fixedly connected with a sand spraying pipe outer gear ring 64, the sand spraying pipe outer gear ring 64 is meshed with the second bevel gear 63, the lower side of the sand spraying pipe 68 is fixedly connected with a sand spraying plate 65, the sand spraying plate 65 is uniformly provided with spraying ports 66, the spraying ports 66 can throw sand, the control turntable 53 is provided with a sand through hole 72, a detector 67 is fixedly connected to the lower side of the bevel gear shaft 62, when the detector 67 detects a continuous and uncontrollable open fire, the spray motor 58 is started, so that the power shaft 57 rotates, so that the outer ring second gear 56 rotates, so that the outer ring first gear 55 rotates, so that the control dial outer ring 54 rotates, so that the control dial 53 rotates, so that the sand passage 72 rotates, so that the sand in the sand passage space 71 falls into the sand injection pipe 68, the lower power shaft 59 rotates, so that the first bevel gear 60 rotates, so that the third bevel gear 61 rotates, so that the bevel gear shaft 62 rotates, so that the second bevel gear 63 rotates, so that the sand injection pipe outer ring 64 rotates, so that the sand injection pipe 68 rotates, thereby rotating the sand-soil injection plate 65 so that the sand soil is thrown out of the injection ports 66 to extinguish the open fire on the laboratory bench.
Initially, the spray motor 58 is off and the pull motor 29 is off.
When the laboratory ware needs to be taken from the laboratory bench, the dial block 47 is shifted downwards by hand to the lower side of the surface chute 48 of the laboratory bench, the rear end rod 38 of the laboratory bench rotates, the reset slider 39 of the laboratory bench rotates rightwards, the first spring 40 is stretched, the front section rod 36 of the laboratory bench rotates, the slider 35 of the dish clamp slides leftwards, the dish clamp 13 slides leftwards, the reset spring 14 of the dish clamp is stretched, namely, the loose state of the fixing mechanism is achieved, the dial block 47 is released, under the action that the reset spring 14 of the dish clamp and the first spring 40 restore to the original length, the fixing device restores the normally closed state, so that the laboratory ware is clamped, when the experiment is uncontrollable, the pulling motor 29 is opened, the motor shaft 31 of the pulling motor rotates, the gear 30 of the pulling motor rotates, the gear 33 of the pulling gear rotates, so that the pulley 32 of the pulling is rotated, so that the falling pull rope 25 is wound on the pulling pulley 32, so that the falling pull rope 25 pulls the circular slider 19 to slide rightwards under the constraint of the longitudinal slide way 20, so that the sliding baffle 17 slides rightwards, so that the emergency falling rod 16 rotates, so that the main experiment platform 11 slides downwards to a specified position, so that the two sliding baffles 17 are abutted, so that the experiment vessel is in a closed space to protect the safety of experimenters, when the detector 67 detects continuous and uncontrollable naked fire, the spraying motor 58 is started, so that the power shaft 57 rotates, so that the outer toothed ring second gear 56 rotates, so that the outer toothed ring first gear 55 rotates, so that the control rotary disc outer toothed ring 54 rotates, so that the control rotary disc 53 rotates, the control rotary disc 53 rotates to rotate the sand through hole 72, so that the sand in the sand through pipe space 71 falls into the sand injection pipe 68, the lower power shaft 59 rotates to rotate the first bevel gear 60 and thus the third bevel gear 61 and thus the bevel gear shaft 62 and thus the second bevel gear 63 and thus the sand and soil injection pipe outer toothed ring 64 and thus the sand and soil injection pipe 68 and thus the sand and soil injection plate 65 and thus the sand and soil are thrown out of the injection ports 66 to extinguish the open fire on the laboratory bench.
The invention has the beneficial effects that: the accident close-range treatment by experimenters is not needed, the out-of-control reaction is put into a closed space to isolate combustion improver after the device is started, and a sand and soil injection device is also arranged to extinguish the open fire on the surface of the experiment table.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (3)
1. An emergency protection device for dealing with experiments with violent reaction phenomena comprises a test bed shell and is characterized in that: the experiment table comprises a vertical clapboard, a jetting device for jetting sandy soil is arranged on the upper side of the vertical clapboard, an experiment table for experiment is arranged on the lower side of the vertical clapboard, the experiment table comprises a quick dropping device and a transmission device, the experiment table is symmetrically distributed about the central line of the vertical clapboard, the quick dropping device comprises a chute baffle fixedly connected to the upper side of the experiment table shell, a sliding baffle is slidably connected to the upper side of the chute baffle, emergency dropping rods are respectively hinged to the front side and the rear side of the sliding baffle, the right side of each emergency dropping rod is hinged to a main experiment platform, the left side and the right side of the main experiment platform are slidably connected with the right side of the experiment table shell, a vertical sliding block is fixedly connected to the lower side of the sliding baffle, and a circular sliding block is fixedly connected to the lower side of the vertical sliding block, the back side of the inner space of the experiment table shell is provided with a longitudinal slide way, the circular slide block is connected with the longitudinal slide way in a sliding way, the circular slide block is fixedly connected with a falling pull rope, the right side of the inner space of the experiment table shell is provided with a falling space, the back side of the falling space is fixedly connected with a reversing pulley, the surface of the reversing pulley is propped against the falling pull rope, the lower side of the experiment table shell is fixedly connected with a falling space shell, the falling space shell is internally provided with a falling tail end space, the back side of the falling tail end space is fixedly connected with a pulling motor, the front side of the pulling motor is dynamically connected with a pulling motor shaft, the pulling motor shaft is fixedly connected with a pulling motor gear, the back side of the falling tail end space is rotatably connected with a pulling gear, the front side of the pulling gear is fixedly connected with a pulling pulley, when the experiment is uncontrollable, open draw and drag the motor, make draw the motor shaft rotation, thereby make draw motor gear rotation, thereby make draw the pulley rotation of dragging, thereby make the tenesmus stay cord is in draw and drag the winding on the pulley, thereby make the tenesmus stay cord pulling circular slider is in slide right under longitudinal slide's the restraint, thereby be slide baffle slides right, thereby make and fall the pole rotation under emergent, thereby establish main experiment platform lapse to the assigned position, thereby make two slide baffle offsets, thereby make the laboratory vessel be in the enclosure space in order to protect experimenter safety.
2. An emergency protection device for experiments dealing with violent reaction phenomena according to claim 1, characterized in that: the experiment table comprises a fixing mechanism for preventing the splashing of experimental utensils when the quick dropping device operates, an inner space of the experiment table is arranged in the main experiment platform, the fixing mechanism is symmetrically distributed about the vertical central line of the main experiment platform, the rear side surface of the inner space of the experiment table is fixedly connected with a spring baffle, the right side of the spring baffle is fixedly connected with a first spring, the right side of the first spring is fixedly connected with an experiment table reset slider, the experiment table reset slider is in sliding connection with the main experiment platform, an experiment table rear end rod is hinged on the experiment table reset slider, an experiment table main rod is hinged on the right side of the experiment table rear end rod, a test tube clamp is hinged on the rear side surface of the experiment table main rod, five test tube openings are formed in the test tube clamp, the test tube clamp can abut against the main experiment platform, and an experiment table front section rod is hinged on the lower, the left side of the experiment table front section rod is hinged with a utensil clamping slide block, the lower side surface of the inner space of the experiment table is provided with a utensil clamping slide way, the utensil clamping slide block is in sliding connection with the utensil clamping slide way, the left side of the utensil clamping slide block is fixedly connected with a utensil clamp, two utensil clamping slide blocks are fixedly connected with a utensil clamp reset spring, the two utensil clamps can be abutted against corresponding experiment utensils so as to keep the stability of the utensil clamping slide way, the upper side surface of the main experiment platform is provided with an experiment table surface slide way, a poking block is in sliding connection with the experiment table surface slide way, the lower side of the poking block is fixedly connected with the experiment table rear end rod, when the experiment utensils need to be taken from the experiment table, the hand is used for poking the lower side of the experiment table surface slide way downwards, so that the experiment table rear end rod rotates, thereby enabling the experiment table reset slide, therefore, the first spring is stretched, the experiment table front section rod rotates, the vessel clamp sliding block slides leftwards, the vessel clamp return spring is stretched, the fixing mechanism is in a loosening state, the poking block is released, and under the action of the vessel clamp return spring and the first spring returning to the original length, the fixing device returns to a normally closed state, so that the experiment vessel is clamped.
3. An emergency protection device for experiments dealing with violent reaction phenomena according to claim 1, characterized in that: the spraying device comprises a spraying shell fixedly connected with the upper side of the vertical partition plate, a spraying shell space is arranged in the spraying shell, a sand-soil through pipe is fixedly connected with the upper side of the spraying shell, a sand-soil through pipe space is arranged in the sand-soil through pipe, the upper side of the sand-soil through pipe space is communicated with a sand storage space, a control turntable is rotatably connected in the sand-soil through pipe, the surface of the control turntable is fixedly connected with an outer toothed ring of the control turntable, the upper side of the spraying shell is rotatably connected with an outer toothed ring first gear, the right side of the outer toothed ring first gear is meshed with the outer toothed ring of the control turntable, the upper side of the spraying shell is rotatably connected with a power shaft, the upper side of the power shaft is fixedly connected with an outer toothed ring second gear, the upper side of the spraying shell space is fixedly connected with a spraying motor, the upper side of the spraying motor, the lower side of the lower power shaft is fixedly connected with a first bevel gear, the rear side surface of the space of the injection shell is rotatably connected with a bevel gear shaft, the left side of the bevel gear shaft is fixedly connected with a second bevel gear, the right side of the bevel gear shaft is fixedly connected with a third bevel gear, the injection shell is rotatably connected with a sand injection pipe, the surface of the sand injection pipe is fixedly connected with a sand injection pipe outer gear ring, the sand injection pipe outer gear ring is meshed with the second bevel gear, the lower side of the sand injection pipe is fixedly connected with a sand injection plate, injection ports are uniformly formed in the sand injection plate and can throw out sand, a sand through hole is formed in the control rotary plate, a detector is fixedly connected with the lower side of the bevel gear shaft, and when the detector detects continuous and uncontrollable open fire, the spraying motor is started so as to rotate the power shaft, thereby make outer ring gear second gear rotate, thereby make outer ring gear first gear rotate, thereby make control carousel outer ring gear rotate, thereby make control carousel rotate, the control carousel rotates to make the sand and soil opening rotate, makes the sand and soil in the sand and soil siphunculus space drop to the sand and soil injection pipe, lower side power shaft rotates, thereby make first bevel gear rotate, thereby make third bevel gear rotate, thereby make the bevel gear axle rotate, thereby make the second bevel gear rotate, thereby make sand and soil injection pipe outer ring gear rotate, thereby make the sand and soil injection pipe rotate, thereby make the sand and soil injection plate rotate, thereby make sand and soil throw out from the jet orifice in order to put out the open fire on the laboratory bench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010681888.5A CN111760212A (en) | 2020-07-15 | 2020-07-15 | Emergency protection device for experiment dealing with violent reaction phenomenon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (1)
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| CN112774757A (en) * | 2021-02-03 | 2021-05-11 | 王娅 | A safe operation panel for chemistry experiment room |
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