CN111195403A - Fire extinguishing device of chemical experiment table - Google Patents
Fire extinguishing device of chemical experiment table Download PDFInfo
- Publication number
- CN111195403A CN111195403A CN202010127644.2A CN202010127644A CN111195403A CN 111195403 A CN111195403 A CN 111195403A CN 202010127644 A CN202010127644 A CN 202010127644A CN 111195403 A CN111195403 A CN 111195403A
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- fixed block
- spring
- belt pulley
- end wall
- bevel gear
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- 238000002474 experimental method Methods 0.000 title claims abstract description 41
- 239000000126 substance Substances 0.000 title claims abstract description 22
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 6
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000003028 elevating effect Effects 0.000 claims description 9
- 230000002146 bilateral effect Effects 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/023—Permanently-installed equipment with containers for delivering the extinguishing substance the extinguishing material being expelled by compressed gas, taken from storage tanks, or by generating a pressure gas
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/58—Pipe-line systems
- A62C35/68—Details, e.g. of pipes or valve systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
-
- 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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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Testing Of Engines (AREA)
Abstract
The invention discloses a fire extinguishing device of a chemical experiment table, which comprises an experiment cavity arranged in an experiment table, wherein a first fixed block is fixedly arranged on the lower end wall of the experiment cavity, a test table which is flush with the upper end surface of the experiment table is fixedly arranged on the upper end surface of the first fixed block, a first groove is arranged in the lower end surface of the test table, the left end wall of the first groove is fixedly connected with a first spring, and the right end of the first spring is fixedly connected with a second fixed block which slides in the first groove. The conflagration of emergence is put out a fire and is handled, through carrying out the omnidirectional with the laboratory bench and seal for other personnel and environment can not be endangered in the measure of putting out a fire next, when putting out a fire again, through the gas injection of spun carbon dioxide, make the decay that the burning things which may cause a fire disaster can be rapid and disappear.
Description
Technical Field
The invention relates to the technical field of chemistry correlation, in particular to a fire extinguishing device of a chemical experiment table.
Background
The chemical laboratory is a scientific exploration place, a large number of chemical instruments and a large number of chemical substances are arranged in the chemical laboratory, when an operator conducts experiments on some chemical reactions, errors can be made, the chemical substances are excessively reacted, dangerous consequences such as combustion and explosion are caused, the chemical reaction fails, the first combustion is caused by the chemical laboratory table, and therefore nearby operators are affected. In addition, in the fire extinguishing process, operators may not fully master the fire extinguisher and the fire extinguishing process is very unsmooth in a hurry, thereby causing dangerous situations.
Disclosure of Invention
Aiming at the technical defects, the invention provides a fire extinguishing device of a chemical experiment table, which can overcome the defects.
The fire extinguishing device of the chemical experiment table comprises an experiment chamber arranged in an experiment table, wherein a first fixed block is fixedly arranged on the lower end wall of the experiment chamber, a test table which is flush with the upper end surface of the experiment table is fixedly arranged on the upper end surface of the first fixed block, a first groove is arranged in the lower end surface of the test table, a first spring is fixedly connected with the left end wall of the first groove, the right end of the first spring is fixedly connected with a second fixed block which slides in the first groove, a right electromagnet is fixedly arranged on the right end wall of the first groove, a motor is fixedly arranged on the left end wall of the first fixed block, the left end of the motor is in power connection with a first shaft, a spline sleeve which is rotatably arranged on the second fixed block is arranged on the first shaft in a spline fit manner, a first bevel gear which is positioned on the right side of the third fixed block is fixedly arranged on the spline sleeve, and a fourth fixed block, spline housing internal spline cooperation is installed and is rotated and install first axle in the fourth fixed block, fixed mounting has first belt pulley on the first axle, first fixed block left end wall fixed mounting has fifth fixed block, the second axle is installed to fifth fixed block internal rotation, fixed mounting has to be located respectively on the second axle second bevel gear and the second belt pulley of below on the fifth fixed block, be equipped with elevating system and the mechanism of putting out a fire in the laboratory cavity.
Preferably, the lifting mechanism comprises a sixth fixed block fixedly arranged on the lower end surface of the test bed, a third shaft is rotatably arranged in the sixth fixed block, a third bevel gear is fixedly arranged on the third shaft, a seventh fixed block is fixedly arranged on the upper end wall of the test bed, a fourth shaft is rotatably arranged in the seventh fixed block, a left transmission gear and a fourth bevel gear which are respectively positioned at the front side and the rear side of the seventh fixed block are fixedly arranged on the fourth shaft, the fourth bevel gear is meshed with the third bevel gear, a fifth bevel gear is fixedly arranged on the third shaft, an eighth fixed block is fixedly arranged on the lower end face of the test bed, a fifth shaft is rotatably arranged in the eighth fixed block, and a sixth bevel gear and a right transmission gear which are respectively positioned at the front side and the rear side of the eighth fixed block are fixedly arranged on the fifth shaft, and the sixth bevel gear is meshed with the fifth bevel gear.
Preferably, elevating system includes fixed mounting and is in on the third axle the sixth fixed block with third belt pulley and back drive gear in the middle of the fifth bevel gear, it is located to go back fixed mounting on the third axle the left fourth belt pulley of sixth fixed block, the fourth belt pulley with first belt pulley passes through left belt and connects, terminal surface fixed mounting has ninth fixed block under the test bench, the sixth axle is installed to ninth fixed block internal rotation, fixed mounting is located respectively on the sixth axle the fifth belt pulley and the preceding drive gear on the left and right sides of ninth fixed block, the fifth belt pulley with the third belt pulley passes through right belt and connects.
Preferably, elevating system includes that bilateral symmetry sets up the second recess in the experiment table up end, second recess outside end wall fixedly connected with second spring, second spring inboard end fixedly connected with is in gliding little baffle of second recess, the symmetry is equipped with the third recess around in the experiment table up end, third recess outside end wall fixedly connected with third spring, third spring inboard end fixedly connected with is in gliding big baffle of third recess.
Preferably, elevating system includes bilateral symmetry fixed mounting in the tenth fixed block of experiment chamber lower extreme wall, tenth fixed block up end fixed connection fourth spring, left fourth spring upper end fixedly connected with left side drive gear meshes left rack baffle, be equipped with the chamber of putting out a fire in the rack baffle of a left side, the fourth spring upper end fixed connection on right side with right side drive gear meshed right rack baffle, symmetry fixed mounting has the drive plate of circular arc type around the first fixed block rear end face, be equipped with the drive case in the drive plate, drive incasement wall fixed connection fifth spring, fifth spring fixed connection be in drive incasement gliding preceding rack baffle, the preceding rack baffle of front and back side respectively with preceding drive gear with back drive gear meshes.
Preferably, the fire extinguishing mechanism is including setting up the fourth recess of test bench up end, fourth recess left end wall fixed mounting has last electromagnet, fourth recess right end wall fixedly connected with sixth spring, sixth spring left end fixedly connected with is in gliding eleventh fixed block in the fourth recess, the seventh axle is installed to eleventh fixed block internal rotation, on the seventh axle fixed mounting have seventh bevel gear and sixth belt pulley, the sixth belt pulley with the second belt pulley passes through elastic belt to be connected, experiment chamber left end wall fixed mounting has the bin, be equipped with the storage chamber in the bin.
Preferably, the mechanism of putting out a fire includes fixed mounting and is in store the presser of chamber upper end wall, store the intracavity and store the carbon dioxide spraying, be equipped with the fifth recess in the bin right-hand member face, end wall fixed mounting has down the electro-magnet on the fifth recess, end wall fixedly connected with seventh spring under the fifth recess, seventh spring upper end fixedly connected with is in gliding twelfth fixed block in the fifth recess, it has the intercommunication to store chamber right-hand member wall fixed mounting the flexible pipe in chamber of putting out a fire.
Preferably, the fire extinguishing mechanism is installed including rotating the eighth axle of the chamber right-hand member wall of putting out a fire, the side is fixed mounting seventh belt pulley and eighth bevel gear respectively about the eighth epaxial, put out a fire the chamber right-hand member wall internal rotation and install and be located the ninth axle of eighth axle rear side, the epaxial fixed mounting of ninth has the eighth belt pulley, the eighth belt pulley with the seventh belt pulley is connected through lower belt, fixed mounting has on the lower belt with flexible union coupling's injector head, fixedly connected with rack on the chamber upper end wall of putting out a fire and the lower end wall.
The beneficial effects are that: the device can extinguish a fire caused by accidental errors and the like in the operation process of an experiment, the experiment table is sealed in all directions, so that the next fire extinguishing measures cannot harm other people and the environment, and the fire source can be quickly attenuated and disappeared by spraying carbon dioxide during fire extinguishing, so that an operator can be protected at the first time.
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 view of a fire extinguishing apparatus of a chemical laboratory bench according to the present invention;
FIG. 2 is a schematic view of A-A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic view of B-B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic view of C-C in FIG. 1 according to an embodiment of the present invention;
FIG. 5 is a schematic view of D-D in FIG. 1 according to an embodiment of the present invention;
FIG. 6 is a schematic view of E-E in FIG. 1 according to an embodiment of the present invention;
FIG. 7 is a schematic view of the embodiment of the present invention shown in FIG. 1 at F.
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 of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-7, for convenience of description, the following orientations will now be defined: 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.
The fire extinguishing device of the chemical experiment table comprises an experiment chamber 47 arranged in an experiment table 48, wherein a first fixing block 88 is fixedly arranged on the lower end wall of the experiment chamber 47, an experiment table 29 which is flush with the upper end surface of the experiment table 48 is fixedly arranged on the upper end surface of the first fixing block 88, a first groove 27 is arranged in the lower end surface of the experiment table 29, the left end wall of the first groove 27 is fixedly connected with a first spring 25, the right end of the first spring 25 is fixedly connected with a second fixing block 26 which slides in the first groove 27, the right end wall of the first groove 27 is fixedly provided with a right electromagnet 28, the left end wall of the first fixing block 88 is fixedly provided with a motor 39, the left end of the motor 39 is in power connection with a first shaft 70, a spline sleeve 68 which rotates in the second fixing block 26 is arranged on the first shaft 70 in a spline fit manner, a first bevel gear 69 which is positioned on the right side of the third fixing block 67 is fixedly arranged on the, experiment chamber 47 upper end wall fixed mounting has fourth fixed block 64, spline fit installs the rotation in spline housing 68 and installs first shaft 65 in the fourth fixed block 64, fixed mounting has first belt pulley 66 on the first shaft 65, first fixed block 88 left end wall fixed mounting has fifth fixed block 73, second shaft 72 is installed to fifth fixed block 73 internal rotation, fixed mounting has to be located respectively on the second shaft 72 second bevel gear 71 and the second belt pulley 74 of the upper and lower place of fifth fixed block 73, be equipped with elevating system 40 and fire extinguishing mechanism 77 in the experiment chamber 47.
Beneficially, the lifting mechanism 40 includes a sixth fixed block 30 fixedly mounted on the lower end surface of the test bed 29, a third shaft 36 is rotatably mounted on the sixth fixed block 30, a third bevel gear 76 is fixedly mounted on the third shaft 36, a seventh fixed block 80 is fixedly mounted on the upper end wall of the test bed 29, a fourth shaft 79 is rotatably mounted on the seventh fixed block 80, a left transmission gear 81 and a fourth bevel gear 78 respectively located on the front and rear sides of the seventh fixed block 80 are fixedly mounted on the fourth shaft 79, the fourth bevel gear 78 is meshed with the third bevel gear 76, a fifth bevel gear 35 is fixedly mounted on the third shaft 36, an eighth fixed block 31 is fixedly mounted on the lower end surface of the test bed 29, a fifth shaft 34 is rotatably mounted on the eighth fixed block 31, and a sixth bevel gear 33 and a right transmission gear 32 respectively located on the front and rear sides of the eighth fixed block 31 are fixedly mounted on the fifth shaft 34, the sixth bevel gear 33 is engaged with the fifth bevel gear 35.
Beneficially, the lifting mechanism 40 includes a third belt pulley 38 and a rear transmission gear 37 fixedly mounted on the third shaft 36 and located between the sixth fixed block 30 and the fifth bevel gear 35, a fourth belt pulley 82 located on the left side of the sixth fixed block 30 is also fixedly mounted on the third shaft 36, the fourth belt pulley 82 is connected with the first belt pulley 66 through a left belt 92, a ninth fixed block 61 is fixedly mounted on the lower end surface of the test bed 29, a sixth shaft 60 is rotatably mounted in the ninth fixed block 61, a fifth belt pulley 63 and a front transmission gear 62 respectively located on the left and right sides of the ninth fixed block 61 are fixedly mounted on the sixth shaft 60, and the fifth belt pulley 63 is connected with the third belt pulley 38 through a right belt 59.
Beneficially, the lifting mechanism 40 includes a second groove 50 arranged in the upper end face of the experiment table 48 in a bilateral symmetry manner, a second spring 49 is fixedly connected to the outer end wall of the second groove 50, a small baffle 51 sliding in the second groove 50 is fixedly connected to the inner end of the second spring 49, a third groove 53 is symmetrically arranged in the upper end face of the experiment table 48 in a front-back manner, a third spring 54 is fixedly connected to the outer end wall of the third groove 53, and a large baffle 52 sliding in the third groove 53 is fixedly connected to the inner end of the third spring 54.
Advantageously, the lifting mechanism 40 comprises a tenth fixing block 46 which is fixedly arranged at the lower end wall of the experiment cavity 47 in a left-right symmetrical manner, the upper end surface of the tenth fixed block 46 is fixedly connected with a fourth spring 45, the upper end of the fourth spring 45 on the left side is fixedly connected with a left rack baffle 18 meshed with the left transmission gear 81, a fire extinguishing cavity 87 is arranged in the left rack baffle 18, the upper end of a fourth spring 45 on the right side is fixedly connected with a right rack baffle 44 meshed with the right transmission gear 32, the rear end face of the first fixed block 88 is symmetrically and fixedly provided with a circular arc-shaped driving plate 57 in front and back, a driving box 58 is arranged in the driving plate 57, the inner wall of the driving box 58 is fixedly connected with a fifth spring 56, the fifth spring 56 is fixedly connected to a front rack baffle 55 sliding in the driving box 58, and the front rack baffle 55 at the front and rear sides is respectively meshed with the front transmission gear 62 and the rear transmission gear 37.
Beneficially, the fire extinguishing mechanism 77 includes a fourth groove 22 disposed on the upper end surface of the test bed 29, the upper electromagnet 21 is fixedly mounted on the left end wall of the fourth groove 22, a sixth spring 24 is fixedly connected on the right end wall of the fourth groove 22, the eleventh fixed block 23 sliding in the fourth groove 22 is fixedly connected on the left end of the sixth spring 24, a seventh shaft 43 is rotatably mounted on the eleventh fixed block 23, a seventh bevel gear 41 and a sixth belt pulley 42 are fixedly mounted on the seventh shaft 43, the sixth belt pulley 42 is connected with the second belt pulley 74 through an elastic belt 75, the storage box 10 is fixedly mounted on the left end wall of the experimental cavity 47, and the storage cavity 19 is disposed in the storage box 10.
Beneficially, fire extinguishing mechanism 77 includes the presser 20 of fixed mounting in store chamber 19 upper end wall, store the carbon dioxide spraying 11 in the store chamber 19, be equipped with fifth recess 13 in the right end face of storage box 10, fifth recess 13 upper end wall fixed mounting has down electro-magnet 15, fifth recess 13 lower end wall fixed connection has seventh spring 12, seventh spring 12 upper end fixed connection is in the twelfth fixed block 14 that slides in fifth recess 13, store chamber 19 right end wall fixed mounting has the intercommunication the flexible pipe 16 of chamber 87 of putting out a fire.
Beneficially, the fire extinguishing mechanism 77 includes an eighth shaft 90 rotatably mounted on the right end wall of the fire extinguishing chamber 87, a seventh belt pulley 86 and an eighth bevel gear 89 are respectively fixedly mounted on the left and right sides of the eighth shaft 90, a ninth shaft 84 located at the rear side of the eighth shaft 90 is rotatably mounted on the right end wall of the fire extinguishing chamber 87, an eighth belt pulley 83 is fixedly mounted on the ninth shaft 84, the eighth belt pulley 83 is connected with the seventh belt pulley 86 through a lower belt 85, a spray head 17 connected with the telescopic pipe 16 is fixedly mounted on the lower belt 85, and racks 91 are fixedly connected on the upper end wall and the lower end wall of the fire extinguishing chamber 87.
In the initial state, the fourth groove 22 is not energized so that the sixth spring 24 is in a normal tension state, the right electromagnet 28 is not energized so that the first spring 25 is in a normal tension state, the lower electromagnet 15 is energized so that the seventh spring 12 is in a tension state, the second spring 49 and the third spring 54 are in a normal tension state, the third spring 54 is in a normal tension state, the second spring 49 is in a normal tension state, the fourth spring 45 is in a normal tension state, and the fifth spring 56 is in a normal tension state.
In operation, when a fire accident occurs in the laboratory bench, the motor 39 is started to rotate the first shaft 70 to drive the spline housing 68 to rotate, so that the first bevel gear 69 rotates, the first shaft 65 rotates, the first belt pulley 66 rotates, power is transmitted to the fourth belt pulley 82 through the left belt 92 to drive the third shaft 36 to rotate, the third bevel gear 76 is rotationally engaged with the fourth bevel gear 78, the fourth shaft 79 rotates, the left transmission gear 81 rotates to drive the left rack baffle 18 to move upwards, the third shaft 36 drives the third belt pulley 38, the rear transmission gear 37 and the fifth bevel gear 35, the fifth bevel gear 35 rotates and is engaged with the sixth bevel gear 33 to drive the fifth shaft 34 to rotate, so that the right transmission gear 32 moves to engage with the right rack baffle 44 to move upwards, and the rear transmission gear 37 rotates to drive the front rack baffle 55 at the rear side to rotate upwards in an arc shape, the third belt pulley 38 rotates to enable the fifth belt pulley 63 to move through the right belt 59, the sixth shaft 60 is made to rotate, the front rack baffle 55, meshed with the front side of the front transmission gear 62, is driven to upwards form circular arc rotation, the left rack baffle 18 and the right rack baffle 44 move upwards to enable the small baffle 51 to slide in the second groove 50, the front rack baffle 55 on the front side and the rear side upwards enables the large baffle 52 to slide in the third groove 53 a little, and the space on the test bed 29 can be sealed by the left rack baffle 18, the right rack baffle 44 and the front rack baffle 55. When the upper electromagnet 21 is electrified to enable the eleventh fixed block 23 to move leftwards, the right electromagnet 28 is electrified to attract the second fixed block 26 to enable the rotating first bevel gear 69 to be meshed with the second bevel gear 71, the second shaft 72 rotates to drive the second belt pulley 74 to rotate, the sixth belt pulley 42 rotates through the transmission of the elastic belt 75 to drive the seventh shaft 43 to rotate, the seventh bevel gear 41 is driven to be meshed with the eighth bevel gear 89 to rotate, meanwhile, the lower electromagnet 15 is powered off, the twelfth fixed block 14 moves downwards due to the pulling force of the seventh spring 12, the carbon dioxide spray 11 is transmitted to the spray head 17 through the telescopic pipe 16 and is sprayed out through the pressurization of the pressurizer 20, the eighth bevel gear 89 rotates to drive the eighth shaft 90 to rotate, the seventh belt 86 drives the lower belt 85 to drive the eighth belt pulley 83 to rotate, and the spray head 17 installed on the lower belt 85 moves, meanwhile, the experimental instrument on fire on the test bed 29 is extinguished. After the fire is extinguished, the motor 39 is reversed and the device is returned to the initial position.
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 (8)
1. A fire extinguishing device of a chemical experiment table comprises an experiment chamber arranged in an experiment table, wherein a first fixed block is fixedly arranged on the lower end wall of the experiment chamber, a test table which is parallel and level to the upper end surface of the experiment table is fixedly arranged on the upper end surface of the first fixed block, a first groove is arranged in the lower end surface of the test table, a first spring is fixedly connected with the left end wall of the first groove, the right end of the first spring is fixedly connected with a second fixed block which slides in the first groove, a right electromagnet is fixedly arranged on the right end wall of the first groove, a motor is fixedly arranged on the left end wall of the first fixed block, the left end of the motor is in power connection with a first shaft, a spline sleeve which rotates in the second fixed block is arranged on the first shaft in a spline fit manner, a first bevel gear which is positioned on the right side of the third fixed block is fixedly arranged on the spline sleeve, and, spline housing internal spline cooperation is installed and is rotated and install first axle in the fourth fixed block, fixed mounting has first belt pulley on the first axle, first fixed block left end wall fixed mounting has fifth fixed block, the second axle is installed to fifth fixed block internal rotation, fixed mounting has to be located respectively on the second axle second bevel gear and the second belt pulley of below on the fifth fixed block, be equipped with elevating system and the mechanism of putting out a fire in the laboratory cavity.
2. The fire extinguishing apparatus for a chemical laboratory bench according to claim 1, wherein: the lifting mechanism comprises a sixth fixed block fixedly arranged on the lower end surface of the test bed, a third shaft is rotatably arranged in the sixth fixed block, a third bevel gear is fixedly arranged on the third shaft, a seventh fixed block is fixedly arranged on the upper end wall of the test bed, a fourth shaft is rotatably arranged in the seventh fixed block, a left transmission gear and a fourth bevel gear which are respectively positioned at the front side and the rear side of the seventh fixed block are fixedly arranged on the fourth shaft, the fourth bevel gear is meshed with the third bevel gear, a fifth bevel gear is fixedly arranged on the third shaft, an eighth fixed block is fixedly arranged on the lower end face of the test bed, a fifth shaft is rotatably arranged in the eighth fixed block, and a sixth bevel gear and a right transmission gear which are respectively positioned at the front side and the rear side of the eighth fixed block are fixedly arranged on the fifth shaft, and the sixth bevel gear is meshed with the fifth bevel gear.
3. The fire extinguishing apparatus for a chemical laboratory bench according to claim 1, wherein: elevating system includes fixed mounting and is in on the third axle the sixth fixed block with third belt pulley and back drive gear in the middle of the fifth bevel gear, it has the position to go back fixed mounting on the third axle the left fourth belt pulley of sixth fixed block, the fourth belt pulley with first belt pulley passes through left belt and connects, terminal surface fixed mounting has ninth fixed block under the test bench, the sixth axle is installed to ninth fixed block internal rotation, fixed mounting is gone up to the sixth axle is located respectively fifth belt pulley and preceding drive gear on the side of ninth fixed block, the fifth belt pulley with the third belt pulley passes through right belt and connects.
4. The fire extinguishing apparatus for a chemical laboratory bench according to claim 1, wherein: elevating system includes that bilateral symmetry sets up the second recess in the experiment table up end, second recess outside end wall fixedly connected with second spring, second spring inboard end fixedly connected with is in gliding little baffle in the second recess, the symmetry is equipped with the third recess around in the experiment table up end, third recess outside end wall fixedly connected with third spring, third spring inboard end fixedly connected with is in gliding big baffle in the third recess.
5. The fire extinguishing apparatus for a chemical laboratory bench according to claim 1, wherein: elevating system includes bilateral symmetry fixed mounting in the tenth fixed block of end wall under the experimental cavity, tenth fixed block up end fixed connection fourth spring, left fourth spring upper end fixedly connected with left rack baffle is meshed to left drive gear, be equipped with the chamber of putting out a fire in the rack baffle of a left side, the fourth spring upper end fixed connection on right side with right drive gear meshed right rack baffle, symmetry fixed mounting has the drive plate of circular arc type around the first fixed block rear end face, be equipped with the drive case in the drive plate, drive incasement wall fixed connection fifth spring, fifth spring fixed connection be in drive incasement gliding preceding rack baffle, the preceding rack baffle of front and back side respectively with preceding drive gear with back drive gear meshes.
6. The fire extinguishing apparatus for a chemical laboratory bench according to claim 1, wherein: the fire extinguishing mechanism is in including setting up the fourth recess of test bench up end, fourth recess left end wall fixed mounting has last electromagnet, fourth recess right end wall fixedly connected with sixth spring, sixth spring left end fixedly connected with is in gliding eleventh fixed block in the fourth recess, the seventh axle is installed to eleventh fixed block internal rotation, the epaxial fixed mounting of seventh has seventh bevel gear and sixth belt pulley, the sixth belt pulley with the second belt pulley passes through elastic belt to be connected, experiment chamber left end wall fixed mounting has the bin, be equipped with the storage chamber in the bin.
7. The fire extinguishing apparatus for a chemical laboratory bench according to claim 1, wherein: the mechanism of putting out a fire includes fixed mounting and is in store the presser of chamber upper end wall, store the intracavity and store the carbon dioxide spraying, be equipped with the fifth recess in the bin right-hand member face, end wall fixed mounting has down the electro-magnet on the fifth recess, end wall fixedly connected with seventh spring under the fifth recess, seventh spring upper end fixedly connected with is in gliding twelfth fixed block in the fifth recess, store chamber right-hand member wall fixed mounting and have the intercommunication the flexible pipe in chamber of putting out a fire.
8. The fire extinguishing apparatus for a chemical laboratory bench according to claim 1, wherein: the fire extinguishing mechanism is installed including rotating the eighth axle of the chamber right-hand member wall of putting out a fire, the side is fixed mounting respectively has seventh belt pulley and eighth bevel gear about the eighth is epaxial, put out a fire the chamber right-hand member wall internal rotation install and be located the ninth axle of eighth axle rear side, the epaxial fixed mounting of ninth has the eighth belt pulley, the eighth belt pulley with the seventh belt pulley is connected through lower belt, fixed mounting has on the belt down with flexible union coupling's injector head, fixedly connected with rack on the chamber upper end wall of putting out a fire and the lower end wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010127644.2A CN111195403B (en) | 2020-02-28 | 2020-02-28 | Fire extinguishing device of chemical experiment table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010127644.2A CN111195403B (en) | 2020-02-28 | 2020-02-28 | Fire extinguishing device of chemical experiment table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111195403A true CN111195403A (en) | 2020-05-26 |
| CN111195403B CN111195403B (en) | 2020-12-18 |
Family
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111686835A (en) * | 2020-07-17 | 2020-09-22 | 瑞安市陆恒科技有限公司 | Fire extinguishing device capable of being placed by lifting of experiment table |
| CN111760212A (en) * | 2020-07-15 | 2020-10-13 | 温州阳格凡电子科技有限公司 | Emergency protection device for experiment dealing with violent reaction phenomenon |
| CN111888700A (en) * | 2020-08-07 | 2020-11-06 | 德清县诚达金属材料有限公司 | A high-efficient fire protection system for office building office |
| CN112473754A (en) * | 2020-11-26 | 2021-03-12 | 胡素芳 | Electronic information specialty is with having experimental box of keeping apart safety protection structure |
| CN112716299A (en) * | 2021-03-16 | 2021-04-30 | 苏州大皓服饰有限公司 | Iron pan safety device for kitchen range |
| CN112774757A (en) * | 2021-02-03 | 2021-05-11 | 王娅 | A safe operation panel for chemistry experiment room |
| CN112976061A (en) * | 2021-04-27 | 2021-06-18 | 山东科技职业学院 | Laboratory double superclean bench |
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| CN111760212A (en) * | 2020-07-15 | 2020-10-13 | 温州阳格凡电子科技有限公司 | Emergency protection device for experiment dealing with violent reaction phenomenon |
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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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| CN112976061B (en) * | 2021-04-27 | 2021-09-03 | 山东科技职业学院 | Laboratory double superclean bench |
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| CN111195403B (en) | 2020-12-18 |
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