CN112098588A - Test bench special for combustion reaction of strong reducing metal - Google Patents
Test bench special for combustion reaction of strong reducing metal Download PDFInfo
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- CN112098588A CN112098588A CN202011027292.XA CN202011027292A CN112098588A CN 112098588 A CN112098588 A CN 112098588A CN 202011027292 A CN202011027292 A CN 202011027292A CN 112098588 A CN112098588 A CN 112098588A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
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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
Abstract
The invention discloses a test bed special for strong reducing metal combustion reaction, which comprises a test bed, wherein a motor is fixed at the upper end of the test bed, and a left-opened test cavity is formed at the left end of the test bed.
Description
Technical Field
The invention relates to the field of experiment working tables, in particular to a test table special for combustion reaction of strong reducing metal.
Background
The combustion reaction of metal is a chemical reaction commonly used in experiments, is applied to the field of refining and processing of various metals, and is a chemical reaction commonly used for metals with strong reducibility.
At the present stage, general strong reducing metal combustion experiment is carried out in the field or open-air place, because combustion reaction can be more violent often and can emit a large amount of heat, still can melt metal splash phenomenon for a long time, is difficult to carry out on general laboratory bench, and the too near meeting of distance during the experiment leads to personnel to be scalded, and the table surface also can be burnt out to the melt metal of high temperature.
Disclosure of Invention
The invention aims to solve the technical problem of providing a test bed special for strong reducing metal combustion reaction, which solves the problem that experiments can only be carried out in open air in the field, can observe the experiment process at a strong distance during the experiments, can avoid the phenomena that a laboratory scalds people and burns out a workbench, enables the experiment operation to be simpler, and improves the experiment efficiency.
The invention is realized by the following technical scheme.
The invention relates to a test bed special for strong reducing metal combustion reaction, which comprises a test bed, wherein a motor is fixed at the upper end of the test bed, a test cavity with a leftward opening is formed at the left end of the test bed, a sand cavity is also arranged at the upper side of the test cavity, a lifting cavity is also arranged at the right side of the sand cavity, a driving cavity is also arranged at the rear end of the lifting cavity, a closed groove with an upward opening is also formed at the left end of the lower cavity wall of the test cavity, a test mechanism is arranged in the test cavity, a lifting mechanism is arranged in the lifting cavity, a driving mechanism is arranged in the driving cavity, the test mechanism comprises a test board hinged on the front cavity wall and the rear cavity wall of the test cavity, the lower cavity wall of the test cavity is arranged as an inclined plane, the lower cavity wall at the right end of the test cavity is communicated with the lower end of the lifting, a closed spring is fixed between the lower end of the closed piston and the lower cavity wall of the closed groove, an inflation pipeline is further arranged on the rear cavity wall at the lower end of the closed groove, a pressure relief channel communicated with the outside of the experiment table is further formed in the left cavity wall at the lower end of the closed groove, a balance cavity is further expanded in the closed spring, a balance slider is arranged at the position where the right end of the balance cavity is communicated with the pressure relief channel, a spring is fixed between the balance slider and the left cavity wall of the balance cavity, a balance pull rope is further fixed at the left end of the balance slider, a rotating shaft is further rotatably connected to the upper cavity wall of the experiment cavity, a rotating connecting rod is fixedly connected to the lower end of the rotating shaft, an experiment container is fixed to the end, far away from the rotating shaft, of the rotating connecting rod, a trigger is fixed to the upper cavity wall at the left end of the experiment cavity, the upper end of the rotating shaft penetrates through the upper cavity wall of the experimental cavity and extends into the rotating cavity, a reel is fixed at the upper end of the part of the upper end of the rotating shaft, which is positioned in the rotating cavity, a rotating stay cord is fixedly wound on the reel, the other end of the rotating stay cord is fixed on the upper end surface of the right end of the experimental plate, a rotating gear is also fixed at the part of the upper end of the rotating shaft, which is positioned in the rotating cavity, a limiting groove with a rightward opening is formed at the left end of the rotating cavity, a limiting slide block is connected in the limiting groove in a sliding manner, a spring is fixed between the limiting slide block and the right cavity wall of the limiting groove, a limiting stay cord is further fixed at the left end of the limiting slide block, a meshing groove with a leftward opening is formed on the right cavity wall of the rotating cavity, a meshing toothed plate with partial teeth, the upper end of the rotating cavity is also provided with a control cavity, the lower cavity wall at the rear end of the rotating cavity is also provided with a starting cavity with an upward opening, and a pneumatic cavity is arranged above the starting cavity.
Further, a power shaft is rotatably connected to the upper cavity wall and the lower cavity wall at the rear end of the rotating cavity, a power gear is fixed at the lower end of the power shaft, the front end of the power gear is meshed with the rear end of the meshed toothed plate, the upper end of the power shaft penetrates through the upper cavity wall of the rotating cavity and the upper cavity wall of the control cavity and extends out of the experiment table, a motor is further rotatably connected to the upper end of the power shaft, a first bevel gear is fixedly connected to the part, located in the control cavity, of the power shaft, a worm is rotatably connected to the right cavity wall of the control cavity, a second bevel gear is further connected to the left end of the worm through a spline, a fixing rod is further fixed to the right cavity wall at the lower end of the control cavity, the upper end of the fixing rod is provided with a groove, the lower end of the second bevel gear is located in the groove at the, the right end of the worm is fixedly connected with a closing pull rope, the right end of the worm penetrates through the control cavity and extends into the driving cavity, the upper cavity wall and the lower cavity wall in the starting cavity are further rotatably connected with a starting shaft, the lower end of the starting shaft is connected with a starting gear through a spline, the lower end of the starting gear is rotatably connected with a sleeve, the sleeve is rotatably and continuously impacted at the lower end of the starting shaft, a spring is further fixed between the lower end of the sleeve and the lower cavity wall of the starting cavity, the left end of the limiting pull rope is further fixed at the lower end of the sleeve, the upper end of the starting shaft penetrates through the starting cavity and extends into the air pressure cavity, a cam is fixedly connected at the inner part of the air pressure cavity at the upper end of the starting shaft, an air pressure baffle is fixed in the air pressure cavity, an air pressure rod is, the rear end of the air pressure rod is further fixed with an air pressure piston which is in sliding connection in the air pressure cavity, the rear cavity wall of the air pressure cavity is provided with a suction one-way valve communicated with the outside, the inflation pipeline is communicated with the upper cavity wall at the right end of the air pressure cavity, and the inflation pipeline is internally provided with an inflation one-way valve.
Further, the lifting mechanism comprises a lower lifting shaft which is rotatably connected to the front cavity wall and the rear cavity wall at the lower end of the lifting cavity, a lower lifting wheel is fixed on the lower lifting shaft, an upper lifting shaft is rotatably connected to the upper end of the lifting cavity, an upper lifting wheel is fixedly connected to the upper lifting shaft, the lower lifting shaft is connected with the upper lifting wheel through a lifting belt, a dustpan is arranged on the lifting belt, a linkage cavity is arranged at the rear end of the lifting cavity, the rear end of the lower lifting shaft penetrates through the rear cavity wall of the lifting cavity and extends into the linkage cavity, a first belt wheel is fixedly connected to the part of the rear end of the lower lifting shaft, which is located in the linkage cavity, a poking rod is rotatably connected to the left end of the linkage cavity, a second belt wheel is fixedly connected to the rear end of the poking rod, a poking groove with an upward opening is further formed in the lower cavity wall of the experimental cavity, and the front end of the poking rod penetrates through the, the front end of the poking rod is positioned in the poking groove, the inner part of the poking rod is fixedly connected with a poking wheel, the left end surface of the upper end of the experiment table is also provided with a closing groove with a leftward opening, the closing groove is internally and slidably connected with a closing slide block, a spring is fixed between the right end of the closing slide block and the right cavity wall of the closing groove, the right end of the closing pull rope is fixed on the left end surface of the closing slide block, the left end of the balancing pull rope is fixed on the upper end surface of the closing slide block, the upper cavity wall of the closing groove is also provided with a self-locking groove with a downward opening, the self-locking groove is internally and slidably connected with a self-locking slide block, a spring is fixed between the upper end of the self-locking slide block and the upper cavity wall of the self-locking groove, the left end surface of the upper end of the experiment table is also provided with a recovery groove with, the left end of the self-locking pull rope is fixed at the upper end of the recovery sliding block.
Further, the driving mechanism comprises a lifting shaft, the rear end of the lifting shaft penetrates through the lifting cavity and extends into the driving cavity, a worm wheel is fixed on the rear end of the upper lifting shaft, which is positioned in the driving cavity, the worm is engaged with the worm wheel, a sand falling channel communicated with the experimental cavity is arranged on the lower cavity wall of the sand cavity, a switch groove with a right opening is arranged on the left cavity wall of the sand falling channel, a switch sliding block is connected in the switch groove in a sliding way, a spring is fixed between the left end of the switch sliding block and the left cavity wall of the switch groove, the left end of the switch sliding block is also fixedly connected with a switch connecting rod, the left end of the switch connecting rod penetrates through the left cavity wall of the switch groove and extends into the meshing groove, and the left end of the switch connecting rod is fixedly connected with the right end of the meshed toothed plate, and the recovery speed of the closed spring is far greater than the rotation speed of the rotating shaft.
The invention has the beneficial effects that: the device simple structure, the simple operation, the device can prevent that the laboratory from burning out the work too through using the device to realize spreading the workstation with the sand before the experiment to thereby can block that the metal of molten state splashes and avoid causing the scald to the human body when the experiment, enable the experimenter and observe the experimentation closely, improve experimental efficiency.
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 taken along line A-A of FIG. 1 according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the embodiment of the present invention at B-B in FIG. 1;
FIG. 4 is an enlarged schematic view at C-C in FIG. 1 according to an embodiment of the present invention;
FIG. 5 is an enlarged schematic view of the structure at D-D in FIG. 4 according to an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
With reference to fig. 1-5, a test bench dedicated to combustion reaction of strong reducing metal comprises a test bench 10, a motor 42 is fixed on the upper end of the test bench 10, a left-opened experimental cavity 85 is opened at the left end of the test bench 10, a sand cavity 15 is further arranged on the upper side of the experimental cavity 85, a lifting cavity 11 is further arranged on the right side of the sand cavity 15, a driving cavity 58 is further arranged at the rear end of the lifting cavity 11, a closed groove 43 with an upward opening is further opened at the left end of the lower cavity wall of the experimental cavity 85, an experimental mechanism 86 is arranged in the experimental cavity 85, a lifting mechanism 87 is arranged in the lifting cavity 11, a driving mechanism 88 is arranged in the driving cavity 58, the experimental mechanism 86 comprises an experimental plate 51 hinged on the front and rear cavity walls of the experimental cavity 85, the lower cavity wall of the experimental cavity 85 is set to be an inclined plane, the lower cavity wall of the experimental cavity 85 is communicated with the lower end of, a closed spring 46 is fixed at the upper end of the closed piston 45, the closed spring 46 is fixed between the lower end of the closed piston 45 and the lower cavity wall of the closed groove 43, an inflation pipeline 50 is further arranged on the rear cavity wall at the lower end of the closed groove 43, a pressure relief channel 49 communicated with the outside of the experiment table 10 is further formed in the left cavity wall at the lower end of the closed groove 43, a balance cavity 47 is further expanded in the closed spring 46, a balance slider 48 is arranged at the position where the right end of the balance cavity 47 is communicated with the pressure relief channel 49, a spring is fixed between the balance slider 48 and the left cavity wall of the balance cavity 47, a balance pull rope 39 is further fixed at the left end of the balance slider 48, a rotating shaft 26 is further rotatably connected on the upper cavity wall of the experiment cavity 85, a rotating connecting rod 31 is fixedly connected at the lower end of the rotating shaft 26, an experiment container 32 is fixed at one end of the rotating connecting rod 31 far away from the, the ignition device 17 is further fixed on the upper cavity wall of the right end of the experimental cavity 85, the upper end of the experimental cavity 85 is further provided with a rotating cavity 24, the upper end of the rotating shaft 26 penetrates through the upper cavity wall of the experimental cavity 85 and extends into the rotating cavity 24, the upper end of the rotating shaft 26 is located at the upper end of the inner part of the rotating cavity 24 and is fixed with a reel 23, a rotating pull rope 52 is fixedly wound on the reel 23, the other end of the rotating pull rope 52 is fixed on the upper end surface of the right end of the experimental plate 51, a rotating gear 25 is further fixed at the upper end of the rotating shaft 26 located in the rotating cavity 24, a limiting groove 28 with a right opening is formed at the left end of the rotating cavity 24, a limiting slide block 27 is connected in the limiting groove 28 in a sliding manner, a spring is fixed between the limiting slide block 27 and the right cavity wall of the limiting groove 28, a limiting pull rope 29 is further fixed at the left end of the, meshing pinion rack 22 that there is partial tooth in meshing groove 21 sliding connection front and back end, meshing pinion rack 22 front end with the rotating gear 25 meshing, it still is equipped with control chamber 66 to rotate chamber 24 upper end, it still is equipped with the ascending start chamber 79 of opening on the chamber wall down to rotate chamber 24 rear end, start chamber 79 top still is equipped with atmospheric pressure chamber 73.
Beneficially, the upper cavity wall and the lower cavity wall of the rear end of the rotating cavity 24 are rotatably connected with a power shaft 65, the lower end of the power shaft 65 is fixed with a power gear 83, the front end of the power gear 83 is meshed with the rear end of the toothed plate 22, the upper end of the power shaft 65 penetrates through the upper cavity wall of the rotating cavity 24 and the upper cavity wall of the control cavity 66 and extends out of the experiment table 10, the upper end of the power shaft 65 is further connected with a motor 42 in a power mode, the power shaft 65 is located in the control cavity 66 and is fixedly connected with a first bevel gear 67 in part, the right cavity wall of the control cavity 66 is further rotatably connected with a worm 59, the left end of the worm 59 is further connected with a second bevel gear 68 through a spline, the right cavity wall of the lower end of the control cavity 66 is further fixed with a fixing rod 84, the left end of the fixing rod 84 is slidably connected with a groove, a spring is further fixed between the right end of the screw 69 and the right cavity wall of the control cavity 66, the right end of the screw 69 is further fixedly connected with a closing pull rope 38, the right end of the worm 59 penetrates through the control cavity 66 and extends into the driving cavity 58, the upper cavity wall and the lower cavity wall in the starting cavity 79 are further rotatably connected with a starting shaft 82, the lower end of the starting shaft 82 is connected with a starting gear 80 through a spline, the lower end of the starting gear 80 is rotatably connected with a sleeve 81, the sleeve 81 is rotatably connected with the lower end of the starting shaft 82, a spring is further fixed between the lower end of the sleeve 81 and the lower cavity wall of the starting cavity 79, the left end of the limiting pull rope 29 is further fixed at the lower end of the sleeve 81, the upper end of the starting shaft 82 penetrates through the starting cavity 79 and extends into the pneumatic cavity 73, a cam 78 is fixedly connected to the part of the upper end of the starting shaft 82 located in, an air pressure rod 75 is connected in the air pressure baffle 76 in a sliding mode, an air pressure spring 77 is fixed between the front end of the air pressure rod 75 and the air pressure baffle 76, an air pressure piston 74 is further fixed at the rear end of the air pressure rod 75, the air pressure piston 74 is connected in the air pressure cavity 73 in a sliding mode, a 69 communicated with the outside is arranged on the rear cavity wall of the air pressure cavity 73, an air suction one-way valve 70 is arranged in the 69, the inflation pipeline 50 is communicated with the upper cavity wall at the right end of the air pressure cavity 73, and an inflation one-way valve 71 is arranged in the inflation pipeline.
Advantageously, the lifting mechanism 87 comprises a lower lifting shaft 57 rotatably connected to the front and rear chamber walls at the lower end of the lifting chamber 11, a lower lifting wheel 56 is fixed on the lower lifting shaft 57, an upper lifting shaft 13 is also rotatably connected to the upper end of the lifting chamber 11, an upper lifting wheel 12 is fixedly connected to the upper lifting shaft 13, the lower lifting shaft 57 is connected to the upper lifting wheel 12 through a lifting belt 14, a bucket is arranged on the lifting belt 14, a linkage chamber 61 is further arranged at the rear end of the lifting chamber 11, the rear end of the lower lifting shaft 57 penetrates through the rear chamber wall of the lifting chamber 11 and extends into the linkage chamber 61, a first pulley 62 is fixedly connected to the inner part of the linkage chamber 61 at the rear end of the lower lifting shaft 57, a poking rod 55 is rotatably connected to the left end of the linkage chamber 61, a second pulley 64 is fixedly connected to the rear end of the poking rod 55, a poking groove 53 with an upward opening is further formed on the lower portion of the experimental chamber 85, the front end of the poke rod 55 penetrates through the front cavity wall of the linkage cavity 61 and extends into the poke groove 53, the poke wheel 54 is fixedly connected at the part of the front end of the poke rod 55, which is positioned in the poke groove 53, the left end surface of the upper end of the experiment table 10 is also provided with a closing groove 36 with a left opening, the closing groove 36 is internally and fixedly connected with a closing slide block 37, a spring is fixed between the right end of the closing slide block 37 and the right cavity wall of the closing groove 36, the right end of the closing pull rope 38 is fixed on the left end surface of the closing slide block 37, the left end of the balancing pull rope 39 is fixed on the upper end surface of the closing slide block 37, the upper cavity wall of the closing groove 36 is also provided with a self-locking groove 41 with a downward opening, the self-locking slide block 40 is internally and slidably connected with the self-locking slide block 41, a spring is fixed between the upper end of the self-, the left end face of the upper end of the experiment table 10 is further provided with a recovery groove 35 with a leftward opening, a recovery sliding block 33 is connected in the recovery groove 35 in a sliding mode, a spring is fixed between the right end of the recovery sliding block 33 and the right cavity wall of the recovery groove 35, and the left end of the self-locking pull rope 34 is fixed to the upper end of the recovery sliding block 33.
Beneficially, the driving mechanism 88 includes that the rear end of the upper lifting shaft 13 penetrates through the lifting cavity 11 and extends into the driving cavity 58, a worm wheel 60 is fixed to a portion, located in the driving cavity 58, of the rear end of the upper lifting shaft 13, the worm 59 is located in the driving cavity 58 and is meshed with the worm wheel 60, a sand falling channel 16 communicated with the experimental cavity 85 is arranged on the lower cavity wall of the sand falling channel 15, a switch slot 19 with a rightward opening is formed in the left cavity wall of the sand falling channel 16, a switch slider 18 is slidably connected in the switch slot 19, a spring is fixed between the left end of the switch slider 18 and the left cavity wall of the switch slot 19, a switch connecting rod 20 is further fixedly connected at the left end of the switch slider 18, the left end of the switch connecting rod 20 penetrates through the left cavity wall of the switch slot 19 and extends into the meshing slot 21, and the left end of the switch connecting rod 20 is fixedly connected with the right end of the meshing toothed plate, the restoring speed of the closing spring 46 is much greater than the rotational speed of the rotating shaft 26.
Sequence of mechanical actions of the whole device: 1: put into experiment container 32 with the material for experiments in, starter motor 42, thereby drive power shaft 65 and rotate, thereby drive first bevel gear 67 and rotate, thereby drive power gear 83 and rotate, thereby drive meshing pinion rack 22 and move left, thereby drive rotating gear 25 and rotate, thereby drive reel 23 and rotate, thereby take up rotation stay cord 52 gradually, thereby make experiment board 51 rotate around the left end is upwards, thereby pull up experiment board 51, simultaneously meshing pinion rack 22 moves left thereby drive switch slider 18 moves left, thereby make husking passageway 16 opened, thereby make the sand in sand chamber 15 fall into on experiment board 51 through husking passageway 16, when experiment container 32 rotates to the position under ignition 17, meshing pinion rack 22 moves to the leftmost end of rotation chamber 24, oppress spacing slider 27 and move left simultaneously, thereby loosen spacing stay cord 29, so as to move the sleeve 81 in the starting cavity 79 upwards, thereby driving the starting gear 80 to move upwards to be meshed with the power gear 83, thereby driving the starting gear 80 to rotate, thereby driving the starting shaft 82 to rotate, thereby driving the cam 78 to rotate, thereby continuously pressing the air pressure rod 75, thereby continuously reciprocating the air pressure piston 74, thereby continuously filling the air outside the experiment table 10 into the closed groove 43 through the air charging pipe 50 through 69, thereby driving the closed piston 45 to move upwards, thereby driving the glass wall 44 to move upwards, when the glass wall 44 moves upwards to the trigger 30, the ignition device 17 is activated to ignite the material in the experiment container 32, thereby realizing the purpose of the combustion test; 2: after the combustion test is completed, the closing slider 37 is manually pressed and self-locked by the self-locking slider 40, so that the balance pull rope 39 is pulled tightly, the balance slider 48 is moved leftwards, the air pressure in the closed groove 43 is balanced, the closed piston 45 drives the glass wall 44 to reset under the action of the closed spring 46, the closing pull rope 38 is loosened, the second bevel gear 68 is driven to move leftwards and is meshed with the first bevel gear 67, the second bevel gear 68 is driven to rotate, the worm 59 is driven to rotate, the worm wheel 60 is driven to rotate, the upper lifting shaft 13 is driven to rotate, the upper lifting wheel 12 is driven to rotate, the lower lifting wheel 56 is driven to rotate, the lower lifting shaft 57 is driven to rotate, the first belt pulley 62 is driven to rotate, the second belt pulley 64 is driven to rotate, the poking rod 55 is driven to rotate, the poking wheel 54 is driven to rotate, the motor 42 is reversed, thereby make power gear 83 reverse, thereby make the engagement teeth board 22 move to the right and drive switch slider 18 move to the right, thereby make the husky passageway 16 that falls of sand chamber 15 lower extreme close, make spacing slider 27 reset simultaneously, thereby make spacing stay cord 29 taut, thereby make starting gear 80 reset and stop the rotation, thereby stop to aerifing in the closed slot 43, the right side of engagement teeth board 22 moves simultaneously and drives rotation gear 25 reversal, thereby drive reel 23 reversal, thereby make rotation stay cord 52 relax, thereby make the experiment board 51 whereabouts thereby make the sand in the experiment board 51 fall into in promoting chamber 11 and being retrieved in sand chamber 15, when the right-hand member that moves of engagement teeth board 22, experiment container 32 resets, at this moment close motor 42 and press recovery slider 33 and make and close slider 37 and reset, thereby make the device reset.
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 test bench of strong reducing metal combustion reaction is exclusively used in, includes the test bench, its characterized in that: the experimental bench is characterized in that a motor is fixed at the upper end of the experimental bench, an experimental cavity with a leftward opening is formed at the left end of the experimental bench, a sand cavity is further arranged at the upper side of the experimental cavity, a lifting cavity is further arranged at the right side of the sand cavity, a driving cavity is further arranged at the rear end of the lifting cavity, a closed groove with an upward opening is further formed at the left end of the lower cavity wall of the experimental cavity, an experimental mechanism is arranged in the experimental cavity, a lifting mechanism is arranged in the lifting cavity, a driving mechanism is arranged in the driving cavity, the experimental mechanism comprises an experimental plate hinged on the front cavity wall and the rear cavity wall of the experimental cavity, the lower cavity wall of the experimental cavity is arranged to be an inclined plane, the lower cavity wall at the right end of the experimental cavity is communicated with the lower end of the lifting cavity, a closed piston is connected in the closed groove in a sliding manner, a closed spring is fixed at the, the left cavity wall at the lower end of the closed groove is also provided with a pressure relief channel communicated with the outside of the experiment table, a balance cavity is further expanded in the closed spring, the right end of the balance cavity is communicated with the pressure relief channel and is provided with a balance slide block, a spring is fixed between the balance slide block and the left cavity wall of the balance cavity, the left end of the balance slide block is also fixed with a balance pull rope, the upper cavity wall of the experiment cavity is also rotatably connected with a rotating shaft, the lower end of the rotating shaft is fixedly connected with a rotating connecting rod, one end of the rotating connecting rod far away from the rotating shaft is fixed with an experiment container, the upper cavity wall at the left end of the experiment cavity is fixed with a trigger, the upper cavity wall at the right end of the experiment cavity is also fixed with an ignition device, the upper end of the experiment cavity is also provided with a rotating cavity, the upper end of the rotating shaft penetrates through the upper cavity, the fixed winding has the rotation stay cord on the reel, it fixes to rotate the stay cord other end on the laboratory sheet right end up end, the axis of rotation upper end is located it still is fixed with slewing gear to rotate intracavity part, it has the spacing groove that the opening is right to rotate the chamber left end to open, sliding connection has spacing slider in the spacing groove, spacing slider with be fixed with the spring between the spacing groove right side chamber wall, spacing slider left end still is fixed with spacing stay cord, it has opening meshing groove left to rotate to open on the chamber right side chamber wall, sliding connection has the meshing pinion rack that the front and back end has part tooth in the meshing groove, meshing pinion rack front end with the slewing gear meshing, it still is equipped with the control chamber still to rotate the chamber upper end, it still is equipped with the ascending start chamber of opening to rotate chamber rear end lower chamber wall, the start chamber top still is equipped with the atmospheric pressure chamber.
2. The test bed special for the combustion reaction of the strong reducing metal according to claim 1, characterized in that: the upper cavity wall and the lower cavity wall of the rear end of the rotating cavity are rotatably connected with a power shaft, the lower end of the power shaft is fixedly provided with a power gear, the front end of the power gear is meshed with the rear end of the meshed toothed plate, the upper end of the power shaft penetrates through the upper cavity wall of the rotating cavity and the upper cavity wall of the control cavity and extends out of the experiment table, the upper end of the power shaft is also in power connection with a motor, the part of the power shaft, which is positioned in the control cavity, is fixedly connected with a first bevel gear, the right cavity wall of the control cavity is also in rotating connection with a worm, the left end of the worm is also in splined connection with a second bevel gear, the right cavity wall of the lower end of the control cavity is also fixedly provided with a fixed rod, the left end of the fixed rod is in sliding connection with an upper end with a groove, the lower end of the second bevel gear is, the right end of the worm penetrates through the control cavity and extends into the driving cavity, a starting shaft is further rotatably connected to the upper cavity wall and the lower cavity wall in the starting cavity, a starting gear is connected to the lower end of the starting shaft through a spline, a sleeve is rotatably connected to the lower end of the starting gear, the sleeve is rotatably connected to the lower end of the starting shaft in a continuous manner, a spring is further fixed between the lower end of the sleeve and the lower cavity wall of the starting cavity, the left end of the limiting pull rope is further fixed at the lower end of the sleeve, the upper end of the starting shaft penetrates through the starting cavity and extends into the air pressure cavity, a cam is fixedly connected to the part, located inside the air pressure cavity, of the upper end of the starting shaft, an air pressure baffle is fixed in the air pressure cavity, an air pressure rod is slidably connected in the air pressure baffle, an air pressure spring is fixed, the pneumatic piston is in sliding connection in the pneumatic cavity, the rear cavity wall of the pneumatic cavity is provided with a suction one-way valve communicated with the outside, the inflation pipeline is communicated with the upper cavity wall at the right end of the pneumatic cavity, and the inflation pipeline is internally provided with an inflation one-way valve.
3. The test bed special for the combustion reaction of the strong reducing metal according to claim 1, characterized in that: the lifting mechanism comprises a lower lifting shaft which is rotationally connected to the front cavity wall and the rear cavity wall at the lower end of the lifting cavity, a lower lifting wheel is fixed on the lower lifting shaft, an upper lifting shaft is also rotationally connected to the upper end of the lifting cavity, an upper lifting wheel is fixedly connected to the upper lifting shaft, the lower lifting shaft is connected with the upper lifting wheel through a lifting belt, a dustpan is arranged on the lifting belt, a linkage cavity is also arranged at the rear end of the lifting cavity, the rear end of the lower lifting shaft penetrates through the rear cavity wall of the lifting cavity and extends into the linkage cavity, a first belt wheel is fixedly connected to the part, located in the linkage cavity, of the rear end of the lower lifting shaft, a poking rod is rotationally connected to the left end of the linkage cavity, a second belt wheel is fixedly connected to the rear end of the poking rod, a poking groove with an upward opening is further formed in the lower cavity wall of the experimental cavity, and the front end of the poking rod, the front end of the poking rod is positioned in the poking groove, the inner part of the poking rod is fixedly connected with a poking wheel, the left end surface of the upper end of the experiment table is also provided with a closing groove with a leftward opening, the closing groove is internally and slidably connected with a closing slide block, a spring is fixed between the right end of the closing slide block and the right cavity wall of the closing groove, the right end of the closing pull rope is fixed on the left end surface of the closing slide block, the left end of the balancing pull rope is fixed on the upper end surface of the closing slide block, the upper cavity wall of the closing groove is also provided with a self-locking groove with a downward opening, the self-locking groove is internally and slidably connected with a self-locking slide block, a spring is fixed between the upper end of the self-locking slide block and the upper cavity wall of the self-locking groove, the left end surface of the upper end of the experiment table is also provided with a recovery groove with, the left end of the self-locking pull rope is fixed at the upper end of the recovery sliding block.
4. The test bed special for the combustion reaction of the strong reducing metal according to claim 1, characterized in that: the driving mechanism comprises a lifting shaft, the rear end of the lifting shaft penetrates through the lifting cavity and extends into the driving cavity, a worm wheel is fixed on the rear end of the upper lifting shaft, which is positioned in the driving cavity, the worm is engaged with the worm wheel, a sand falling channel communicated with the experimental cavity is arranged on the lower cavity wall of the sand cavity, a switch groove with a right opening is arranged on the left cavity wall of the sand falling channel, a switch sliding block is connected in the switch groove in a sliding way, a spring is fixed between the left end of the switch sliding block and the left cavity wall of the switch groove, the left end of the switch sliding block is also fixedly connected with a switch connecting rod, the left end of the switch connecting rod penetrates through the left cavity wall of the switch groove and extends into the meshing groove, and the left end of the switch connecting rod is fixedly connected with the right end of the meshed toothed plate, and the recovery speed of the closed spring is far greater than the rotation speed of the rotating shaft.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011027292.XA CN112098588A (en) | 2020-09-25 | 2020-09-25 | Test bench special for combustion reaction of strong reducing metal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011027292.XA CN112098588A (en) | 2020-09-25 | 2020-09-25 | Test bench special for combustion reaction of strong reducing metal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112774757A (en) * | 2021-02-03 | 2021-05-11 | 王娅 | A safe operation panel for chemistry experiment room |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112774757A (en) * | 2021-02-03 | 2021-05-11 | 王娅 | A safe operation panel for chemistry experiment room |
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Application publication date: 20201218 |