CN115035774B - Multifunctional mechanics experimental device - Google Patents
Multifunctional mechanics experimental device Download PDFInfo
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- CN115035774B CN115035774B CN202210774341.9A CN202210774341A CN115035774B CN 115035774 B CN115035774 B CN 115035774B CN 202210774341 A CN202210774341 A CN 202210774341A CN 115035774 B CN115035774 B CN 115035774B
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- 230000007246 mechanism Effects 0.000 claims abstract description 30
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/10—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of solid bodies
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Abstract
The invention discloses a multifunctional mechanical experiment device, which comprises an experiment box and a sloping plate movably arranged on the experiment box; be provided with the rotation piece in the experiment case, still be provided with adjustment mechanism in the experiment case, be provided with a plurality of buttons that are used for selecting control on the experiment case, this multi-functional mechanics experimental apparatus, in order to be different from prior art, make and utilize rotation piece can drive the swash plate rotation, and then make experimental apparatus can carry out the inclined plane whereabouts under the different angles, adjustment mechanism can drive the object shift to swash plate one side and wait for the whereabouts, after operating personnel presses the button, adjustment mechanism can cancel the spacing to corresponding object, and then make the object follow the inclined plane whereabouts, according to the experiment demand, can select single object whereabouts, perhaps a plurality of objects whereabouts simultaneously carry out the contrast experiment, same height and whereabouts simultaneously greatly improve the precision of experiment, utilize canceling release mechanical system can send the object of whereabouts to swash plate one side again and wait for whereabouts.
Description
Technical Field
The invention relates to the technical field of ball inclined plane falling experimental devices, in particular to a multifunctional mechanical experimental device.
Background
The physics is a subject of a theoretical combination experiment, although the laws and concepts on textbooks are quite many, people can easily understand and apply the written knowledge only by combining with the experiments, and in the physical learning stage, various mechanical experiments, such as the experiments of exploring factors influencing the friction force, exploring the adjustment of the balance of two forces, exploring the movement of an object on an inclined plane, exploring factors influencing the kinetic energy and the like, are often carried out, and when exploring the movement condition of the object on the inclined plane, a teacher is required to place the object on the side with higher inclined plane, and the movement condition of the object is observed by releasing the object under the condition of no external force pushing.
However, when the teaching tool is actually used, the teacher carries a sloping plate, one side of the sloping plate is raised on the platform through a chalk box, a blackboard eraser and the like, then objects such as carried pellets are placed on the higher side of the sloping plate, and experiments can be carried out, however, the angle of the sloping surface formed by the teaching tool is limited by the height of the objects, and the formed sloping surface possibly has poor bonding effect between the bottom of the sloping plate and the platform, so that when the objects are released, the situation that the sloping plate is separated from the platform when the bonding side of the sloping plate and the platform is not reached is possibly influenced, and the normal operation of the experiments is influenced; furthermore, some teachers and technicians design a structure capable of adjusting the height of the inclined plate, so that the attaching effect of the bottom of the inclined plate and the platform is avoided, but when the device is used for experiments, the angle of the inclined plate can be adjusted at a plurality of fixed positions, so that the adjusting range is smaller; when a plurality of objects are placed, the objects are manually placed, the falling time of the objects has a difference value, the height cannot be ensured to be accurate and uniform, and the experimental precision is affected; in addition, after the object falls down from the inclined plane, the object can directly slide on the platform, and a teacher needs to take the object and then replace the object on the inclined plane, so that the cyclic experiment is inconvenient, and therefore, the multifunctional mechanical experiment device is provided.
Disclosure of Invention
The invention aims to provide a multifunctional mechanical experiment device for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a multifunctional mechanics experiment device comprises an experiment box and an inclined plate movably arranged on the experiment box; be provided with the rotation piece in the experiment case, still be provided with adjustment mechanism in the experiment case, be provided with a plurality of buttons that are used for selecting control on the experiment case, in order to be different from prior art, make and utilize rotation piece to order about the swash plate rotation, and then make experimental apparatus can carry out the inclined plane whereabouts under the different angles, adjustment mechanism can order about the object to shift to swash plate one side and wait for the whereabouts, after operating personnel presses the button, adjustment mechanism can cancel the spacing to corresponding object, and then make the object fall along the inclined plane, according to the experiment demand, can select single object whereabouts, perhaps a plurality of objects fall simultaneously and contrast the experiment, the same height and whereabouts simultaneously greatly improve the precision of experiment, utilize canceling release mechanical system can send the object of falling to swash plate one side again and wait for the whereabouts.
Preferably, the rotating member comprises two sliding frames which are respectively arranged on two adjacent sides of the experiment box in a sliding manner, two ends of the inclined plate are respectively arranged on the two sliding frames in a rotating manner, a supporting seat is arranged in the experiment box, a first screw rod is arranged on the supporting seat in a rotating manner, a first motor is arranged in the experiment box, the output end of the first motor is connected with the first screw rod, a connecting block is arranged at the bottom of the sliding frame, threads of the connecting block are connected onto the first screw rod, and the connecting block movably penetrates through the experiment box.
Preferably, the adjusting mechanism comprises a second screw rod which is rotatably arranged in the experiment box, a second motor is arranged in the experiment box, the output end of the second motor is connected with the second screw rod, a lifting seat is connected to the second screw rod in a threaded manner, two sides of the lifting seat are respectively arranged on the side wall of the experiment box in a sliding manner, the lifting seat is of a U-shaped structure, an ejection assembly is arranged on the lifting seat, and an object falling on the lifting seat can be limited by the ejection assembly so as to prevent the object from falling off from the lifting seat when the lifting seat is shifted;
the height of the top of the lifting seat, which is close to one side of the inclined plate, is lower than that of the top of the lifting seat, which is far away from one side of the inclined plate, so that after the limit of the ejection assembly on the object is canceled, the object can move from the lifting seat to one side of the inclined plate to wait for falling;
the inclined plate is provided with a supporting frame, the supporting frame is provided with a plurality of limiting parts which are respectively matched with the buttons for use, the limiting parts are used for limiting objects respectively, and after an operator presses the buttons, the limiting of the corresponding objects is canceled.
Preferably, the ejection assembly comprises a top plate arranged on the lifting seat in a sliding manner, a fixing plate is arranged on the sliding frame close to the second screw rod, the fixing plate is of an inclined structure, and when the second screw rod drives the lifting seat to move upwards, the fixing plate can contact and press the top plate downwards, so that an object can fall down from the lifting seat;
the lifting seat is provided with a plurality of resetting pieces for resetting and adjusting, and the top plate can be driven to reset by utilizing the resetting pieces when the lifting seat is downwards shifted.
Preferably, the reset piece comprises a sliding block arranged on the lifting seat in a sliding manner, a reset spring is arranged on the sliding block, the end part of the reset spring is connected to the lifting seat, and a deflection rod is arranged between the sliding block and the top plate in a rotating manner.
Preferably, the locating part is including setting up the electro-magnet on the support frame, the electro-magnet tip is provided with T shape pole, T shape pole both ends are provided with rack one respectively, rotate on the support frame and be provided with two main shafts that cooperate the use, the main shaft bottom all is provided with the limiting plate, the main shaft top all is provided with the gear one that cooperatees the use with adjacent rack one the electro-magnet circular telegram back, order about T shape pole drives rack one and shifts, and rack one orders about two gear one reverse rotations, and then makes two the limiting plate rotates to both sides.
Preferably, the inclined plate is uniformly provided with a plurality of first guide plates for preventing the objects from interfering when the objects are reset, the fixed plate and the lifting seat are also provided with a plurality of second guide plates for preventing the objects from interfering when the objects are reset, the reset mechanism comprises an electric push rod arranged on the guide plates positioned at the edge, the end part of the electric push rod is provided with a functional block, the functional block is provided with a shifting piece, the objects after the experiment can be driven to shift by the shifting piece, the bottom of the experiment box is of an inclined structure, the inclined position of the experiment box is provided with a plurality of balls for ensuring the objects to shift, and the inner side of the bottom of the experiment box is provided with a plurality of third guide plates for preventing the objects from interfering when the objects are reset;
the functional block is also provided with a knocking piece, and the knocking piece can be used for circularly knocking the sloping plate, so that the object can be reset after the experiment is finished;
be close to be provided with the detection piece on the carriage of first motor, utilize the detection piece can detect striking dynamics and fall time when the object whereabouts.
Preferably, the shifting piece comprises a plurality of positioning seats respectively arranged on the first guide plates, a shifting rod is slidably arranged in the positioning seats, a shifting plate is arranged at the bottom of the shifting rod, and a rotating rod is rotatably arranged between the shifting rod and the functional block.
Preferably, the knocking piece comprises a plurality of supporting plates which are respectively arranged at the bottom of the sloping plate, a rotating shaft is rotatably arranged on the plurality of supporting plates, and a T-shaped knocking rod is arranged on the rotating shaft;
the main shaft is provided with the gear II near electric putter one side, the function block bottom is provided with the rack II that uses with the two cooperation of gear, and when electric putter drove rack II reciprocal aversion, gear II rotation direction constantly changes, and then makes the T shape strike the pole constantly strike the swash plate.
Preferably, the detecting member includes a positioning frame disposed on the carriage adjacent to the first motor, and a plurality of detectors for detecting the impact force and the falling time of the object falling are disposed on the positioning frame.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the inclined plate can be driven to rotate by the rotating piece, so that the experimental device can drop down on the inclined plane at different angles.
2. According to the invention, the adjusting mechanism can drive the object to shift to one side of the inclined plate to wait for falling, after an operator presses the button, the adjusting mechanism can cancel the limit on the corresponding object, so that the object falls along the inclined plate, a single object can be selected to fall according to experimental requirements, or a plurality of objects fall simultaneously for comparison experiments, and the accuracy of the experiments is greatly improved due to the fact that the objects fall simultaneously at the same height.
3. The invention also provides a reset mechanism in the experiment box body, and the reset mechanism can be used for conveying the falling object to one side of the inclined plate again to wait for falling, so that the circularity of the experiment process is improved to a certain extent, and meanwhile, a certain interest is added to the experiment, so that students want to observe the experiment and also want to operate by themselves.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 in another orientation in accordance with the present invention;
FIG. 3 is a schematic view of the planar partial cross-section of FIG. 1 in accordance with the present invention;
FIG. 4 is a schematic view of a part of the structure of the adjusting mechanism of the present invention;
FIG. 5 is a schematic view of the partial cross-section of FIG. 2 in accordance with the present invention;
FIG. 6 is a schematic view of a limiting member according to the present invention;
FIG. 7 is a schematic diagram of a reset mechanism according to the present invention;
FIG. 8 is a schematic diagram of a detecting member according to the present invention;
FIG. 9 is a schematic view of the structure of the invention of FIG. 1 with a dust cap.
In the figure: 1-an experiment box; 2-sloping plates; 3-a rotating member; 31-a carriage; 32-a supporting seat; 33-screw one; 34-a first motor; 35-connecting blocks; 4-an adjusting mechanism; 41-screw II; 42-a second motor; 43-lifting seat; 44-a support frame; 5-ejection assembly; 51-top plate; 52-fixing plates; 6-a reset piece; 61-a slider; 62-a return spring; 63-deflecting the rod; 7-limiting pieces; 71-an electromagnet; a 72-T shaped rod; 73-rack one; 74-spindle; 75-limiting plates; 76-gear one; 8-a reset mechanism; 81-a first guide plate; 82-a second guide plate; 83-electric push rod; 84-a functional block; 85-balls; 86-a third guide plate; 9-a displacement member; 91-positioning seats; 92-displacement rod; 93-shifting plate; 94-rotating the rod; 10-knocking piece; 101-a support plate; 102-a rotation axis; 103-T-shaped knocking rod; 104-a second gear; 105-rack two; 11-detecting piece; 111-positioning frames; 112-a detector; 12-button.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-9, the present invention provides a technical solution:
the utility model provides a multifunctional mechanics experimental apparatus, includes experiment case 1 and activity setting swash plate 2 on experiment case 1, experiment case 1 and swash plate 2 are current common structure, do not repeated here, wherein, the used object of this scheme is structures such as different ball of quality, cylinder or square, still is provided with the dust cover on the experiment case 1, takes off the dust cover when using can.
The experimental box 1 is internally provided with a rotating piece 3, and the inclined plate 2 can be driven to rotate by utilizing the rotating piece 3, so that the experimental device can fall down on inclined planes at different angles;
the rotating piece 3 comprises two sliding frames 31 which are respectively arranged on two adjacent sides of the experiment box 1 in a sliding mode, two ends of the inclined plate 2 are respectively arranged on the two sliding frames 31 in a rotating mode, a supporting seat 32 is arranged in the experiment box 1, a first screw rod 33 is arranged on the supporting seat 32 in a rotating mode, a first motor 34 is arranged in the experiment box 1, the output end of the first motor 34 is connected with the first screw rod 33, a connecting block 35 is arranged at the bottom of the sliding frame 31, the connecting block 35 is connected to the first screw rod 33 in a threaded mode, and the connecting block 35 movably penetrates through the experiment box 1.
The experiment box 1 is also internally provided with an adjusting mechanism 4, the experiment box 1 is provided with a plurality of buttons 12 for selection control, the adjusting mechanism 4 can drive an object to shift to one side of the inclined plate 2 to wait for falling, and after an operator presses the buttons 12, the adjusting mechanism 4 can cancel the limit of the corresponding object, so that the object falls along the inclined plane;
the adjusting mechanism 4 comprises a second screw 41 which is rotatably arranged in the experiment box 1, a second motor 42 is arranged in the experiment box 1, the output end of the second motor 42 is connected with the second screw 41, a lifting seat 43 is connected to the second screw 41 in a threaded manner, two sides of the lifting seat 43 are respectively arranged on the side wall of the experiment box 1 in a sliding manner, the lifting seat 43 is of a U-shaped structure, an ejection assembly 5 is arranged on the lifting seat 43, an object falling on the lifting seat 43 can be limited by the ejection assembly 5, the object is prevented from falling off from the lifting seat 43 when the lifting seat 43 is shifted, a control terminal is arranged in the experiment box 1, the first motor 34 and the second motor 42 are respectively electrically connected with the control terminal, and then the first motor 34 and the second motor 42 can be controlled to work through the control terminal;
the ejection assembly 5 comprises a top plate 51 slidably arranged on the lifting seat 43, a fixed plate 52 is arranged on the sliding frame 31 close to the second screw 41, the fixed plate 52 is of an inclined structure, when the second screw 41 drives the lifting seat 43 to move upwards, the fixed plate 52 can contact and press the top plate 51 downwards, so that an object can fall from the lifting seat 43, and the fixed plate 52 and the lifting seat 43 are also provided with the same structure as the ball 85, which is not shown in the figure, so that the object can be normally moved from the fixed plate 52;
the lifting seat 43 is provided with a plurality of resetting pieces 6 for resetting and adjusting, and when the lifting seat 43 is downwards shifted, the resetting pieces 6 can drive the top plate 51 to reset;
the reset piece 6 comprises a sliding block 61 which is arranged on the lifting seat 43 in a sliding way, a reset spring 62 is arranged on the sliding block 61, the end part of the reset spring 62 is connected to the lifting seat 43, and a deflection rod 63 is rotatably arranged between the sliding block 61 and the top plate 51;
the height of the top of the lifting seat 43, which is close to one side of the inclined plate 2, is lower than that of the top of the lifting seat, which is far away from the inclined plate 2, so that after the limit of the ejection assembly 5 on the object is canceled, the object can move from the lifting seat 43 to one side of the inclined plate 2 to wait for falling;
the inclined plate 2 is provided with a supporting frame 44, the supporting frame 44 is provided with a plurality of limiting pieces 7 which are respectively matched with the buttons 12 for use, objects are respectively limited by the limiting pieces 7, and after an operator presses the buttons 12, the limiting of the corresponding objects is canceled;
the limiting piece 7 comprises an electromagnet 71 arranged on the supporting frame 44, a T-shaped rod 72 is arranged at the end part of the electromagnet 71, racks I73 are respectively arranged at the two ends of the T-shaped rod 72, two main shafts 74 which are matched with each other for use are rotatably arranged on the supporting frame 44, limiting plates 75 are arranged at the bottoms of the main shafts 74, gears I76 which are matched with adjacent racks I73 for use are arranged at the tops of the main shafts 74, after the electromagnet 71 is electrified, the T-shaped rod 72 is driven to drive the racks I73 to shift, the racks I73 drive the two gears I76 to reversely rotate, and then the two limiting plates 75 rotate towards two sides.
A reset mechanism 8 is also arranged in the experiment box 1, and the reset mechanism 8 can be utilized to send the falling object to one side of the inclined plate 2 again for waiting to fall;
the inclined plate 2 is uniformly provided with a plurality of first guide plates 81 for preventing interference when an object is reset, the fixed plate 52 and the lifting seat 43 are also provided with a plurality of second guide plates 82 for preventing interference when the object is reset, the reset mechanism 8 comprises an electric push rod 83 arranged on the guide plates positioned at the edge, the end part of the electric push rod 83 is provided with a functional block 84, the functional block 84 is provided with a shifting piece 9, the shifting piece 9 can drive the object after the experiment is finished to shift, the bottom of the experiment box 1 is of an inclined structure, the inclined position of the experiment box 1 is provided with a plurality of balls 85 for ensuring the object to shift, the inner side of the bottom of the experiment box 1 is provided with a plurality of third guide plates 86 for preventing interference when the object is reset, the inclined plate 2 is provided with a plurality of through holes for enabling the object to fall, and the through holes are respectively arranged at two sides of the detector 112 so that the object can be driven to fall under the shifting plate 93, and the experiment box 1 is also provided with a falling object hole for enabling the object to fall;
the shifting piece 9 comprises a plurality of positioning seats 91 respectively arranged on the first guide plates 81, a shifting rod 92 is arranged in the positioning seats 91 in a sliding manner, a shifting plate 93 is arranged at the bottom of the shifting rod 92, a rotating rod 94 is rotatably arranged between the shifting rod 92 and the functional block 84, wherein the shifting plate 93 is respectively close to one side of one first guide plate 81 in an initial state, and is close to the other first guide plate 81 after shifting, so that an object can be shifted;
the functional block 84 is also provided with a knocking piece 10, and the knocking piece 10 can be used for circularly knocking the inclined plate 2, so that the object can be reset after the experiment is finished;
the knocking piece 10 comprises a plurality of supporting plates 101 which are respectively arranged at the bottom of the inclined plate 2, a rotating shaft 102 is rotatably arranged on the plurality of supporting plates 101, T-shaped knocking rods 103 are arranged on the rotating shaft 102, rubber layers are arranged at two ends of the T-shaped knocking rods 103, and then the rubber layers are contacted with the inclined plate 2 during knocking;
a second gear 104 is arranged on one side of the main shaft 74, which is close to the electric push rod 83, a second rack 105 matched with the second gear 104 is arranged at the bottom of the functional block 84, and when the electric push rod 83 drives the second rack 105 to reciprocate, the rotation direction of the second gear 104 is continuously changed, so that the T-shaped knocking rod 103 continuously knocks the inclined plate 2;
the sliding frame 31 close to the first motor 34 is provided with the detection piece 11, and the detection piece 11 can be used for detecting the impact force and the falling time when an object falls;
the detecting member 11 includes a positioning frame 111 provided on the carriage 31 near the first motor 34, and a plurality of detectors 112 for detecting the impact force and the falling time of the object falling are provided on the positioning frame 111.
When the device is used, all initial states of objects are limited by the top plate 51 in the lifting seat 43, the first motor 34 is started to drive the screw rod I33 to rotate according to the angle required by an experiment, the screw rod I33 rotates to drive the connecting block 35 to shift, and then the angle of the inclined plate 2 is adjusted to a proper position and then stopped;
starting the second motor 42 to drive the screw rod to rotate, as the two sides of the lifting seat 43 slide on the side wall of the experiment box 1, the lifting seat 43 can radially shift, under the action of the reset spring 62, the top plate 51 is jacked up to limit an object placed on the lifting seat through the deflection rod 63, in the process of shifting the lifting seat 43 to a designated height, the top plate 51 is downwards shifted under the action of the fixed plate 52, the reset spring 62 is extruded by the deflection rod 63, after the designated height is reached, the top of the lifting seat 43 is almost aligned with the fixed plate 52, and then the object can be limited by the limiting plate 75 from the lifting seat 43 to the lower part of the supporting frame 44 through the fixed plate 52, after the object is moved out, the lifting seat 43 is reset, and under the action of the reset spring 62, the top plate 51 is directly ejected;
when an operator selects one or more objects, the corresponding knob is pressed, the corresponding electromagnet 71 can be controlled to start working, the electromagnet 71 drives the T-shaped rod 72 and the racks one 73 on the two sides to move forwards, the racks one 73 respectively drive the gears one 76 adjacent to the T-shaped rod to rotate, so that the two main shafts 74 drive the limiting plates 75 to rotate reversely, the objects fall along the lower surface, the objects directly impact the corresponding detectors 112 after falling, and the impact force and the falling time when the objects fall are detected and recorded;
after the experiment is finished, the electric push rod 83 is started to drive the functional block 84 to shift, when the functional block 84 shifts, the rotating rod 94 at the end part can drive the shifting rod 92 to shift, and then objects are pushed into the through hole through the shifting plate 93 to fall through the falling object hole until the objects fall into the lifting seat 43 again, wherein when the inclination angle of the inclined plate 2 is smaller, the square body and the like are possibly stationary objects, when the functional block 84 shifts, the rack two 105 is driven to reciprocate, the rack two 105 drives the gear two 104 to reciprocate, so that the T-shaped knocking rod 103 continuously knocks the inclined plate 2, the objects are driven to fall, and when the objects fall into the experiment box 1, the balls 85 are used for assisting the shifting of the objects, and meanwhile, the second guide plate 82 and the third guide plate 86 are used for limiting, so that dislocation is avoided, and normal use is affected.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A multifunctional mechanics experiment device comprises an experiment box (1) and a sloping plate (2) movably arranged on the experiment box (1);
the method is characterized in that: a rotating piece (3) is arranged in the experiment box (1), and the inclined plate (2) can be driven to rotate by utilizing the rotating piece (3), so that the experiment device can fall on inclined planes at different angles;
an adjusting mechanism (4) is further arranged in the experiment box (1), a plurality of buttons (12) for selecting and controlling are arranged on the experiment box (1), the adjusting mechanism (4) can drive an object to shift to one side of the inclined plate (2) to wait for falling, and after an operator presses the buttons (12), the adjusting mechanism (4) can cancel the limit on the corresponding object, so that the object falls along the inclined plane;
the experimental box (1) is internally provided with a reset mechanism (8), a falling object can be sent to one side of the inclined plate (2) again by the reset mechanism (8) to wait for falling, the adjusting mechanism (4) comprises a screw rod II (41) which is rotatably arranged in the experimental box (1), a second motor (42) is arranged in the experimental box (1), the output end of the second motor (42) is connected with the screw rod II (41), the screw rod II (41) is in threaded connection with a lifting seat (43), two sides of the lifting seat (43) are respectively arranged on the side wall of the experimental box (1) in a sliding manner, the lifting seat (43) is of a U-shaped structure, the lifting seat (43) is provided with an ejection assembly (5), and the ejection assembly (5) can limit the object falling on the lifting seat (43) so as to prevent the object from falling off from the lifting seat (43) when the lifting seat (43) is shifted;
the height of the top of the lifting seat (43) close to one side of the inclined plate (2) is lower than the height of the top of the lifting seat far away from the inclined plate (2), so that after the limit of the ejection assembly (5) on an object is canceled, the object can move from the lifting seat (43) to one side of the inclined plate (2) to wait for falling;
the inclined plate (2) is provided with a supporting frame (44), the supporting frame (44) is provided with a plurality of limiting pieces (7) which are respectively matched with the buttons (12) for use, the limiting pieces (7) are used for limiting objects respectively, and after an operator presses the buttons (12), the limiting of the corresponding objects is canceled.
2. The multifunctional mechanical experiment device according to claim 1, wherein: the rotating piece (3) comprises two sliding frames (31) which are respectively arranged on two adjacent sides of the experiment box (1) in a sliding mode, two ends of the inclined plate (2) are respectively arranged on the two sliding frames (31) in a rotating mode, a supporting seat (32) is arranged in the experiment box (1), a first screw rod (33) is arranged on the supporting seat (32) in a rotating mode, a first motor (34) is arranged in the experiment box (1), the output end of the first motor (34) is connected with the first screw rod (33), a connecting block (35) is arranged at the bottom of the sliding frame (31), the connecting block (35) is connected onto the first screw rod (33) in a threaded mode, and the connecting block (35) movably penetrates through the experiment box (1).
3. The multifunctional mechanical experiment device according to claim 2, wherein: the ejection assembly (5) comprises a top plate (51) arranged on the lifting seat (43) in a sliding manner, a fixing plate (52) is arranged on the sliding frame (31) close to the second screw rod (41), the fixing plate (52) is of an inclined structure, and when the second screw rod (41) drives the lifting seat (43) to move upwards, the fixing plate (52) can contact and press the top plate (51) downwards, so that an object can fall from the lifting seat (43);
the lifting seat (43) is provided with a plurality of resetting pieces (6) for resetting and adjusting, and the top plate (51) can be driven to reset by using the resetting pieces (6) when the lifting seat (43) is downwards shifted.
4. A multifunctional mechanical testing device according to claim 3, characterized in that: the reset piece (6) comprises a sliding block (61) which is arranged on the lifting seat (43) in a sliding mode, a reset spring (62) is arranged on the sliding block (61), the end portion of the reset spring (62) is connected to the lifting seat (43), and a deflection rod (63) is arranged between the sliding block (61) and the top plate (51) in a rotating mode.
5. The multifunctional mechanical experiment device according to claim 4, wherein: the limiting piece (7) comprises an electromagnet (71) arranged on a supporting frame (44), a T-shaped rod (72) is arranged at the end of the electromagnet (71), racks I (73) are respectively arranged at the two ends of the T-shaped rod (72), two main shafts (74) which are matched with each other for use are rotatably arranged on the supporting frame (44), limiting plates (75) are arranged at the bottoms of the main shafts (74), gears I (76) which are matched with adjacent racks I (73) for use are arranged at the tops of the main shafts (74), after the electromagnet (71) is electrified, the T-shaped rod (72) is driven to drive the racks I (73) to shift, and the racks I (73) are driven to reversely rotate so that the two limiting plates (75) rotate to two sides.
6. The multifunctional mechanical experiment device according to claim 5, wherein: the device is characterized in that a plurality of first guide plates (81) for preventing interference when an object is reset are uniformly arranged on the inclined plate (2), a plurality of second guide plates (82) for preventing interference when the object is reset are also arranged on the fixed plate (52) and the lifting seat (43), the reset mechanism (8) comprises an electric push rod (83) arranged on the guide plates positioned at the edge, a functional block (84) is arranged at the end part of the electric push rod (83), a shifting piece (9) is arranged on the functional block (84), the object after the experiment is driven to shift by the shifting piece (9), the bottom of the experiment box (1) is of an inclined structure, a plurality of balls (85) for ensuring the object to shift are arranged at the inclined position of the bottom of the experiment box (1), and a plurality of third guide plates (86) for preventing interference when the object is reset are arranged at the inner side of the bottom of the experiment box (1);
the functional block (84) is also provided with a knocking piece (10), and the knocking piece (10) can be used for circularly knocking the sloping plate (2), so that the object can be reset after the experiment is finished;
be close to be provided with on carriage (31) of first motor (34) and detect piece (11), utilize detect piece (11) can detect impact force and whereabouts time when the object whereabouts.
7. The multifunctional mechanical experiment device according to claim 6, wherein: the shifting piece (9) comprises a plurality of positioning seats (91) which are respectively arranged on the first guide plates (81), a shifting rod (92) is arranged in the positioning seats (91) in a sliding mode, a shifting plate (93) is arranged at the bottom of the shifting rod (92), and a rotating rod (94) is arranged between the shifting rod (92) and the functional block (84) in a rotating mode.
8. The multifunctional mechanical experiment device according to claim 7, wherein: the knocking piece (10) comprises a plurality of supporting plates (101) which are respectively arranged at the bottom of the inclined plate (2), a rotating shaft (102) is rotatably arranged on the plurality of supporting plates (101), and a T-shaped knocking rod (103) is arranged on the rotating shaft (102);
the main shaft (74) is provided with a gear II (104) near one side of the electric push rod (83), the bottom of the functional block (84) is provided with a rack II (105) matched with the gear II (104), and when the electric push rod (83) drives the rack II (105) to reciprocate, the rotation direction of the gear II (104) is continuously changed, so that the T-shaped knocking rod (103) continuously knocks the inclined plate (2).
9. The multifunctional mechanical experiment device according to claim 8, wherein: the detection piece (11) comprises a positioning frame (111) arranged on a sliding frame (31) close to the first motor (34), and a plurality of detectors (112) used for detecting the impact force and the falling time when an object falls are arranged on the positioning frame (111).
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| CN115035774A (en) | 2022-09-09 |
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