CN109622097A - A kind of Physical Experiment lifting platform - Google Patents

A kind of Physical Experiment lifting platform Download PDF

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Publication number
CN109622097A
CN109622097A CN201910006286.7A CN201910006286A CN109622097A CN 109622097 A CN109622097 A CN 109622097A CN 201910006286 A CN201910006286 A CN 201910006286A CN 109622097 A CN109622097 A CN 109622097A
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CN
China
Prior art keywords
table top
sliding rail
worm
experiment
worm gear
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CN201910006286.7A
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Chinese (zh)
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孙国栋
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Individual
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Individual
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Priority to CN201910006286.7A priority Critical patent/CN109622097A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L9/00Supporting devices; Holding devices
    • B01L9/02Laboratory benches or tables; Fittings therefor

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  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Devices For Use In Laboratory Experiments (AREA)

Abstract

The invention discloses a kind of Physical Experiment lifting platforms, are related to physical experiment equipment field, which includes pedestal, support plate, fixed plate, mounting plate, experiment table top, lifting device and rotating device;Lifting device includes the first worm screw, the second worm screw, third worm screw, the first worm gear and the second worm gear;Rotating device includes rotary worm and rotation worm gear;Experimental bench face includes sequentially connected first table top, the second table top and third table top.It the beneficial effects of the invention are as follows can not only be gone up and down, but also can rotate, while different Physical Experiments can be carried out by the combination of the first table top, the second table top and third table top, meet the needs of different experiments and different classmans;And structure is simple, only needs rotary worm, screw rod etc. i.e. adjustable up-down, rotation and angle, easy to operate, use is safe;It is light-weight, it is carried when easy to use.

Description

A kind of Physical Experiment lifting platform
Technical field
The present invention relates to Physical Experiment equipment technical field, specially a kind of Physical Experiment lifting platform.
Background technique
Physical Experiment is the important means of physics teaching, it can not only be imparted knowledge to students by sense organ deepens the memory and reason of student Solution, while also capableing of the manipulative ability of training student.When classroom carries out Physical Experiment, in order to guarantee all classmates in classroom all It is observed that experimental implementation, often needs to increase experiment equipment.Currently, common mode be using the existing apparatus in classroom, Such as: desk, chair etc. increase experiment equipment, or are lifted using both hands and carry out experiment equipment raising.But it uses The safety of above method one side cannot ensure, if on the other hand experiment equipment is heavier, volume is larger will cause teacher's Fatigue.
A part of lifting platform function is more single in the prior art, generally only can be carried out lifting, without having other function Can, when carrying out different experiments, different stations is needed replacing, it is not only time-consuming and laborious, but also increase cost;Another part Lifting platform structure it is complex, be often used the mechanisms such as motor driving lifting platform, it is big not only result in lifting platform weight, is not easy to move Dynamic and carrying;And since though the mechanism controls such as motor are laborsaving, if student's control is improper easy to there is experiment accident;Therefore, have Necessity research and develop a kind of structure it is simple, using safe, low-cost multi-functional Physical Experiment lifting platform.
Chinese patent CN108031504A discloses a kind of physics teaching experiment lift platform, and the present invention passes through on riser The first groove is opened up, and the first link block, the first threaded rod and the first worm gear are set to realize transverse slat in the first groove Lifting;By the way that third groove is arranged in transverse slat upper end, the second link block, the second threaded rod, the second worm gear are set in third groove And second worm screw realize the adjusting of transverse slat tilt angle.The transverse slat of the patent only has one end to fix with riser, other three ends It is hanging, cause the bearing of transverse slat poor, heavier experiment equipment cannot be placed;And unilateral load-bearing, it easily leads to and connects with transverse slat The the first threaded rod damage connect.In addition, the patent is provided with a transverse slat only to place experiment equipment etc., although the inclination of transverse slat Angle adjustable, but it is the absence of fixed device, the experiment equipment being placed on transverse slat is easy to fall or slide, and uses uneasiness Entirely;In addition, not can be carried out collision experiment, frictional force experiment due to there was only one operating surface of transverse slat, function is more single.
Summary of the invention
The technical problem to be solved by the present invention is to the shortcomings that overcoming the above prior art: provide that a kind of structure is simple, makes With safety, low-cost multi-functional Physical Experiment lifting platform.
Technical solution of the invention is as follows:
A kind of Physical Experiment lifting platform, it is characterised in that: it includes pedestal, support plate, fixed plate, mounting plate, experimental bench Face, lifting device and rotating device;The support plate is symmetrically installed on the base, and the fixed plate is horizontally fixed on branch On fagging, the mounting plate is located at the top of the support plate, and the experiment table top is located at the top of the mounting plate;
The lifting device includes the first worm screw, the second worm screw, third worm screw, the first worm gear and the second worm gear, described The both ends of first worm screw are rotatably installed in the support plate, and the first worm screw is arranged in parallel with the pedestal;First snail Wheel, the second worm gear be rotatably arranged in the fixed plate, and first worm gear, the second worm gear respectively with the first worm screw phase Engagement;The screw hole through its roof and bottom wall is respectively equipped in first worm gear, the second worm gear;Second worm screw, third The upper end of worm screw is hinged with the mounting plate respectively, and lower end is each passed through the screw hole and is rotatably connected in the fixed plate, institute Screw hole is stated to be meshed with second worm screw, third worm screw respectively;
The rotating device includes rotary worm and rotation worm gear, and the both ends of the rotary worm are rotatably installed in the branch The upper end of fagging, the rotation worm gear upper surface are fixedly installed with convex block, which is fixedly connected on reality through the mounting plate It tests on table top;The upper surface of the mounting plate is equipped with supporting block, and the experiment table top is arranged in the supporting block;
The experimental bench face includes sequentially connected first table top, the second table top and third table top;On first table top Open up fluted, second table top is arranged in groove, and the second table top is flushed with the first table top upper surface, and described second Face one end is hinged on the first table top, the third table top connection on the perpendicular direction of the other end;Spiral shell is additionally provided in the groove Bar, sliding block and support rod, the both ends of the screw rod are rotatably connected on first table top, and the sliding block sliding is located at described On screw rod, one end of the support rod and the sliding block are hinged, and the lower surface of the other end and second table top is hinged;Described The side wall of three table tops is equipped with the bolt in horizontal direction, which is rotatably connected on third table top.
Further, sliding slot is offered on side wall of the pedestal far from third table top, sliding is equipped with level in the sliding slot Storage tank on direction, the storage tank are the enclosed construction of upper end opening, are equipped with fine sand or foam-rubber cushion in the storage tank;It should The side wall of storage tank is equipped with graduation mark, and the scale value of the graduation mark is another to storage tank by the connecting pin of storage tank and pedestal End is sequentially increased.Part experiment equipment on the one hand can be stored by setting storage tank;When on the other hand doing experiment with falling objects It is fallen in the storage tank under the objects such as bead being thrown, the fine sand or foam-rubber cushion spread in storage tank can work as a buffer, together The objects such as Shi little Qiu are not easy rolling and walk;In addition, when doing collision experiment, the fine sand or foam-rubber cushion spread in storage tank not only can be with It works as a buffer, and the trace that bead falls initial position can be left on fine sand or foam-rubber cushion, can accurately be measured.
Further, the first sliding rail, the second sliding rail and third sliding rail are offered on the front side wall of the third table top, it is described First sliding rail, the second sliding rail and third sliding rail include the A section sliding rail and B sections of sliding rails being mutually smoothly connected, and described first is sliding The A section sliding rail of rail, the second sliding rail and third sliding rail is arranged obliquely, and the A sections of sliding rail is equal with the angle of horizontal direction;Institute The B section sliding rail for stating the first sliding rail is horizontally disposed, and the B section sliding rail of the second sliding rail and third sliding rail is arranged obliquely, and second is sliding The B section sliding rail of rail and the angle of horizontal direction are less than third sliding rail.The first sliding rail, the second sliding rail and third sliding rail, which is arranged, to carry out Galilean obliquity experiment.
Further, the A section sliding rail of first sliding rail, the second sliding rail and third sliding rail and the angle of horizontal direction are 30°;The B section sliding rail of second sliding rail and the angle of horizontal direction are 45 °;The angle of B the section sliding rail and horizontal direction of third sliding rail It is 60 °.
Further, first table top is equipped with fixed pulley obliquely.Physics reality can be used in setting fixed pulley It tests lifting platform and carries out acceleration test
Further, the left and right ends of the mounting plate are respectively equipped with the fixed link in vertical direction, spiral shell in the fixed link Line is connected with the fixing bolt in horizontal direction, and one end of the fixing bolt towards experiment table top is equipped with pressing plate.It is solid by adjusting Determine bolt, the object or equipment for being placed on experiment table top can be clamped, further serve as fixed function.
Further, the front side wall of first table top is equipped with graduation mark;The right side of first table top and the second table top Be respectively equipped with graduation mark on side wall, and the scale value of the graduation mark of the first table top from the connecting pin of the first table top and the second table top to The other end of first table top is sequentially increased, and the scale value of the graduation mark of the second table top is from the connecting pin of the second table top and third table top It is sequentially increased to the connecting pin of the second table top and the first table top.When convenient for doing Physical Experiment, the initial position of object of which movement is recorded And distance.
Further, the left and right ends of first table top and the second table top are equipped with symmetrical sliding rail, sliding in the sliding rail Equipped with clamping plate, which is two, and is connected with elastic component between two clamping plates, which is located in sliding rail.It further serves as Fixed function.
Further, the bottom of the clamping plate is equipped with deck, which is fastened in sliding rail;The both ends end of the sliding rail Transverse groove is offered, the deck can be inserted into the transverse groove or take out out of this transverse groove;On the sliding rail and transverse groove also Form and dimension equipped with dismountable cover board, the cover board and sliding rail, transverse groove is all the same.
Further, the supporting block is spherical;The lower surface of the pedestal is also equipped with pulley.
The beneficial effects of the present invention are: compared with the prior art, the invention has the following advantages that
(1) present invention first by setting lifting device, that is, mutually matched first worm screw, the first worm gear, the second worm gear, First worm gear, the second worm gear form multiple groups worm gear mechanism, so that mounting plate be driven to move up and down, that is, realize experiment table top Lifting, the needs of so as to meet different experiments and different classmans;Meanwhile the lifting device is two groups, to work as When adjusting this two groups of lifting devices simultaneously, mounting plate can keep horizontal direction to move up and down;When only adjusting one group of lifting device When, mounting plate can be obliquely installed, so as to the demand of further satisfaction different experiments.Secondly, passing through setting rotating device I.e. mutually matched rotary worm, rotation worm gear drive experiment table top to rotate horizontally by rotation worm gear, thus doing physics reality When testing, the different perspectives of Physical Experiment can be showed into student with rotation test table top.Again, the present invention is by by experimental bench Face is designed to the combination of the first table top, the second table top and third table top, can carry out different Physical Experiments, and pass through setting Screw rod, sliding block and support rod are rotated, so as to adjust the tilt angle of the second table top, so that the first table top is arranged to water Flat, the second table top is arranged to inclined, i.e. progress collision experiment or frictional force experiment;It is adjustable by being arranged on third table top Save land bolt, vibration experiment, the single pendulum of bead single pendulum can be completed by object suspensions such as bead or springs on bolt Potential energy and kinetic energy between transformation experiment and simple harmonic motion experiment.Therefore Physical Experiment lifting platform of the invention not only can be with The combination for being gone up and down, and being rotated, while passing through the first table top, the second table top and third table top can carry out different Physical Experiment meets the needs of different experiments and different classmans;And lifting platform structure of the invention is simple, only needs to rotate Worm screw, screw rod etc. are adjustable up-down, rotation and angle, and easy to operate, use is safe;It is light-weight, it is carried when easy to use.
(2) on the one hand the present invention can store part experiment equipment by setting storage tank;On the other hand it freely falls doing Body is fallen in the storage tank under can throwing the objects such as bead when testing, and the fine sand or foam-rubber cushion spread in storage tank can play buffering Effect, while the objects such as bead are not easy rolling and walk;In addition, when doing collision experiment, the fine sand or foam-rubber cushion that are spread in storage tank It can not only work as a buffer, but also the trace that bead falls initial position can be left on fine sand or foam-rubber cushion, can carry out Accurate recording bead falls position, convenient for accurate measurement bead move distance.
(3) present invention can carry out gal benefit by the way that the first sliding rail, the second sliding rail and third sliding rail are arranged on third table top Slightly experiment of in dined plane.
(4) the present invention can be used the Physical Experiment lifting platform and accelerated by fixed pulley is arranged on the first table top Degree experiment, i.e., be placed on the first table top for an object, then connects the object by one end of rope, the other end of rope is around fixed Pulley is connected on hanging another object, and acceleration test can be completed.
(5) present invention is fixed by rotating fixing bolt by the way that fixed link, fixing bolt, pressing plate are arranged on a mounting board Bolt is moved forward and backward, and can be clamped to the object or equipment for being placed on experiment table top, be further served as fixed function, prevent When doing Physical Experiment, the object or equipment tested on table top topple over damage.
(6) present invention, can be to the by setting clamping plate by the way that sliding rail, clamping plate are arranged on the first table top and the second table top The equipment or object that one table top and the second table top are placed are fixed, and prevent from toppling over damage;Simultaneously clamping plate when not in use, also It can be removed from the first table top and the second table top, and sliding rail and transverse groove can be covered by cover board, reduce sliding rail and transverse groove Influence to other Physical Experiments.
(7) present invention is by being arranged graduation mark on the front side wall of the first table top, on the right side of the first table top and the second table top Graduation mark is respectively equipped on side wall, convenient for recording and marking object when doing Physical Experiment such as collision experiment, frictional force experiment etc. Position, while convenient for measurement object of which movement distance.
Detailed description of the invention
Fig. 1 is positive structure diagram of the invention;
Fig. 2 is right side structural representation of the invention;
Fig. 3 is overlooking structure diagram of the invention;
Fig. 4 is the structural schematic diagram of the first worm gear and the second worm gear of the invention;
Fig. 5 is the present invention looks up structural representation of Fig. 4;
Fig. 6 is the overlooking structure diagram of embodiment 7;
Fig. 7 is the structural schematic diagram of clamping plate of the present invention;
Fig. 8 is the structural schematic diagram of cover board of the present invention;
It is indicated in figure: 10, pedestal;11, storage tank;12, pulley;20, support plate;30, fixed plate;40, mounting plate;41, Fixed link;42, fixing bolt;43, pressing plate;44, supporting block;50, table top is tested;51, the first table top;511, fixed pulley;512, Sliding rail;513, clamping plate;514, elastic component;515, deck;516, transverse groove;517, cover board;52, the second table top;53, third platform Face;531, the first sliding rail;532, the second sliding rail;533, third sliding rail;54, screw rod;55, sliding block;56, support rod;57, bolt; 61, the first worm screw;62, the second worm screw;63, third worm screw;64, the first worm gear;65, the second worm gear;66, screw hole;71, snail is rotated Bar;72, worm gear is rotated;73, convex block.
Specific embodiment
The present invention is described in further details with specific embodiment below, but the present invention is not only limited in detail below in fact Apply example.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple " It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition Concrete meaning in the present invention.
Embodiment 1
As shown in Fig. 1~5, which includes pedestal 10, support plate 20, fixed plate 30, mounting plate 40, reality Test table top 50, lifting device and rotating device.Pedestal 10 is horizontally disposed.Support plate 20 is two or four, can basis Actual conditions determine;In the present embodiment, support plate 20 is two, and is mounted on pedestal 10 symmetrically along vertical direction.Gu Fixed board 30 is horizontally disposed, and the both ends of fixed plate 30 are fixed in support plate 20.Mounting plate 40 is located at support plate 20 Top, experiment table top 50 are located at the top of mounting plate 40.
Lifting device includes the first worm screw 61, the second worm screw 62, third worm screw 63, the first worm gear 64 and the second worm gear 65;The both ends of first worm screw 61 are rotatably installed in support plate 20, and the first worm screw 61 is arranged in parallel with pedestal 10;First worm gear 64, the second worm gear 65 is rotatably arranged in fixed plate 30, and specifically, the first worm gear 64, the lower surface of the second worm gear 65 are fixed It is connected with cylindrical link block, which is connected in fixed plate 30 by bearing etc., the first worm gear 64, the second worm gear 65 It is arranged at intervals on the side of the first worm screw 61, and the first worm gear 64, the second worm gear 65 are meshed with the first worm screw 61 respectively, thus Form worm gear mechanism;First worm gear 64,65 middle position of the second worm gear are respectively equipped with the screw hole through its roof and bottom wall 66;Second worm screw 62, third worm screw 63 are vertically arranged, the second worm screw 62, third worm screw 63 upper end respectively with mounting plate 40 cut with scissors Connect, specifically, the second worm screw 62, third worm screw 63 upper end be rotatably connected on bearing, the bearing hinge connection is in mounting plate 40 Lower surface;Lower end is each passed through screw hole 66 and is rotatably connected in fixed plate 30, screw hole 66 respectively with the second worm screw 62, third worm screw 63 are meshed;That is the screw hole 66 on the first worm gear 64 of the second worm screw 62, third worm screw and difference, the second worm gear 65 forms worm gear snail Linkage.One end of first worm screw 61, which is also connected in turntable figure, not to be indicated, by rotating the turntable, the first 61 turns of worm screw with hand It is dynamic, while driving the first worm gear 64, the rotation of the second worm gear 65, the first worm gear 64, the second worm gear 65 drive respectively the second worm screw 62, Third worm screw 63 moves up and down.As shown in Fig. 2, in the present embodiment, which is two groups, it is symmetrically mounted on mounting plate 40 Lower surface, so that mounting plate 40 can keep horizontal direction to move up and down when adjusting this two groups of lifting devices simultaneously;When only adjusting When saving one group of lifting device, mounting plate 40 can be obliquely installed.
Rotating device includes rotary worm 71 and rotation worm gear 72, and the both ends of rotary worm 71 are rotatably installed in support plate 20 Upper end, rotation 72 upper surface of worm gear is fixedly installed with cylindrical convex block 73, and mounting plate 40 is equipped with through-hole, which passes through Wear the lower surface that the through-hole is fixedly connected on experiment table top 50;The upper surface of mounting plate 40 is equipped with supporting block 44, tests table top 50 It is placed in the supporting block 44;One end of rotary worm 71 is also connected in turntable figure and does not indicate, by rotating the turntable, rotates snail Bar 71 rotates, so that rotation worm gear 72 be driven to rotate, rotation worm gear 72 drives experiment table top 50 to rotate in the horizontal direction.
Testing table top 50 includes sequentially connected first table top 51, the second table top 52 and third table top 53;First table top 51 On open up fluted, the second table top 52 is arranged in groove, and when the second table top 52 is placed in the groove with the first table top 51 Upper surface flush, 52 one end of the second table top is hinged on the first table top 51, and the other end is connect with third table top 53, third table top 53 are arranged perpendicular to the second table top 52;Screw rod 54, sliding block 55 and support rod 56, the both ends rotation of screw rod 54 are additionally provided in groove Be connected on the first table top 51, the sliding of sliding block 55 is located on screw rod 54, and one end of support rod 56 and sliding block 55 are hinged, the other end with The lower surface of second table top 52 is hinged;One end of screw rod 54 is also connected with turntable, by rotating the turntable, the rotation of screw rod 54 to Band movable slider 55 is moved forward and backward along screw rod 54, and sliding block 55 drives support rod 56 mobile, so as to adjust inclining for the second table top 52 Rake angle.The side wall of third table top 53 is equipped with the bolt 57 in horizontal direction, which is rotatably connected on third table top 53 On;In more Physical Experiment, need that bead is such as suspended on bolt 57 to, bead can be completed object suspension Transformation experiment between the vibration experiment of single pendulum and the potential energy of single pendulum and kinetic energy;For another example spring is suspended on bolt 57, bullet Spring lower end connects bead, and simple harmonic motion experiment can be completed.
When using the Physical Experiment lifting platform, the turntable on the first worm screw 61, i.e. the first snail can be rotated with hand first Bar 61 is moved forward and backward in the horizontal direction, while the first worm gear 64, the second worm gear 65 being driven to rotate in the horizontal direction, the first worm gear 64, the second worm gear 65 rotation then drives the second worm screw 62, third worm screw 63 to move up and down respectively, the second worm screw 62, third worm screw 63 drive mounting plate 40 to move up and down, that is, the experiment table top 50 that 40 top of mounting plate is arranged in can move up and down, so as to Meets the needs of different experiments and different classmans.Meanwhile the lifting device is two groups, so that this two groups of liters ought be adjusted simultaneously When falling unit, mounting plate 40 can keep horizontal direction to move up and down;When only adjusting one group of lifting device, mounting plate 40 can be with It is obliquely installed, so as to the demand of further satisfaction different experiments.Secondly, above-mentioned rotary worm 71 can be rotated with hand, turn Dynamic worm screw 71 drives rotation worm gear 72 to rotate horizontally, and drives experiment table top 50 to rotate horizontally to rotate worm gear 72, thus doing When Physical Experiment, the different perspectives of Physical Experiment can be showed into student with rotation test table top 50.Finally, can be turned with hand Dynamic screw rod 54, to be moved forward and backward with movable slider 55 along screw rod 54, sliding block 55 drives support rod 56 mobile, so as to adjust the The tilt angle of two table tops 52, i.e. adjustable first table top 51 of the Physical Experiment lifting platform are horizontally disposed, and the second table top 52 inclines Tiltedly setting, by bead, perhaps trolley is placed on obliquely the second table top 52 and places another bead or trolley in the first table top 51, Object such as towel, plank, the glass that collision experiment or the first table top 51 tiling differentiated friction power can be completed, can be completed Frictional force experiment.Meanwhile the bolt 57 on third table top 53 is adjusted, which can be moved forward and backward, and bead is such as suspended on spiral shell On bolt 57, the transformation experiment between the vibration experiment of bead single pendulum and the potential energy of single pendulum and kinetic energy can be completed;For another example by bullet Spring is suspended on bolt 57, and lower spring end connects bead, and simple harmonic motion experiment can be completed.
Embodiment 2
The present embodiment is to be further improved on the basis of embodiment 1, specifically, as shown in Figures 1 to 3, the pedestal 10 Sliding slot is offered on front side wall, sliding is equipped with the storage tank 11 in horizontal direction, specifically, 11 lower surface of storage tank in the sliding slot It may be provided with and cooperate sliding block with sliding slot;The storage tank 11 is the enclosed construction of upper end opening, is equipped with fine sand in the storage tank 11 Or foam-rubber cushion;The side wall of the storage tank 11 is equipped with graduation mark, and the storage tank 11 and the scale value of the connecting pin of pedestal 10 are The scale value of initial value 0,11 front end of storage tank is maximum.
Do freely land experiment when, often will bead or other objects throw under fall in ground, be easily damaged the objects such as bead Body or ground;Meanwhile bead is fallen on ground, easy rolling is walked;And the present embodiment can be stored by 11 one side of storage tank Part Experiment equipment;It is fallen in the storage tank 11 under can throwing the objects such as bead when on the other hand doing experiment with falling objects, storing The fine sand or foam-rubber cushion spread in case 11 can work as a buffer, while the objects such as bead are not easy rolling and walk.
In addition, commonly using a bead when doing collision experiment and colliding another bead, two beads are fallen in tandem On ground, then need to measure the distance of two beads, it is small since bead falls the effect at ground by inertia and elastic force Club flicks, so that the initial position that bead is fallen can not be measured accurately.And the Physical Experiment lifting platform of the present embodiment, not only may be used Skewed the second table top 52 to be adjusted to, so that a bead is placed on the second table top 52, another bead is placed on level The first table top 51 on, between bead collision experiment can be completed, other direction pulls out storage tank 11 from pedestal 10, Two beads are fallen in storage tank 11, and the fine sand or foam-rubber cushion spread in storage tank 11 can not only work as a buffer, but also The trace that bead falls initial position can be left on fine sand or foam-rubber cushion, can accurately be measured.
Embodiment 3
The present embodiment is to be further improved on the basis of embodiment 1, specifically, as shown in Figure 1, the third table top 53 Front side wall on offer the first sliding rail 531, the second sliding rail 532 and third sliding rail 533, first sliding rail 531, the second sliding rail 532 and third sliding rail 533 include the A section sliding rail and B sections of sliding rails that are mutually smoothly connected, the cunning of the first sliding rail 531, second The A of rail 532 and third sliding rail 533 section sliding rail is arranged obliquely, and the A sections of sliding rail is equal with the angle of horizontal direction;It is described The B section sliding rail of first sliding rail 531 is horizontally disposed, and the B section sliding rail of the second sliding rail 532 and third sliding rail 533 is arranged obliquely, and The B section sliding rail of second sliding rail 532 and the angle of horizontal direction are less than third sliding rail 533, above with the specific angle of horizontal direction It can determine according to the actual situation.In the present embodiment, the A section of first sliding rail 531, the second sliding rail 532 and third sliding rail 533 Sliding rail and the angle of horizontal direction are 30 °;The B section sliding rail of second sliding rail 532 and the angle of horizontal direction are 45 °;Third sliding rail 533 B section sliding rail and the angle of horizontal direction are 60 °.
The present embodiment is by being arranged the first sliding rail 531 in third table top, the second sliding rail 532 and third sliding rail 533 can be into Row Galilean obliquity experiment.
Embodiment 4
The present embodiment is to be further improved on the basis of embodiment 1, specifically, as shown in Figure 1-3, on the first table top 51 Equipped with fixed pulley 511 obliquely.Specifically, which is arranged towards the front side of the first table top 51, specifically, passes through Connecting shaft is connected on the central axis of fixed pulley 511, and the other end of connecting shaft is fixedly connected on the front side of the first table top 51.
By the way that fixed pulley 511 is arranged, acceleration test can be carried out using the Physical Experiment lifting platform, i.e., put an object It sets in the first table top 51, the object is then connected by one end of rope, the other end of rope is connected to hanging another around fixed pulley On one object, acceleration test can be completed.
Embodiment 5
The present embodiment is to be further improved on the basis of embodiment 1, specifically, as shown in Figure 1-3, the mounting plate 40 Left and right ends be respectively equipped with the fixed link 41 in vertical direction, the fixation being threaded in the fixed link 41 in horizontal direction One end of bolt 42, the fixing bolt 42 towards experiment table top 50 is equipped with pressing plate 43.By rotating fixing bolt 42, fixing bolt 42 are moved forward and backward, and can be clamped to the object or equipment for being placed on experiment table top 50, further serve as fixed function, prevent When doing Physical Experiment, the object or equipment tested on table top 50 topple over damage.
Embodiment 6
The present embodiment is to be further improved on the basis of embodiment 1, specifically, as shown in Figure 1-3, first table top 51 front side wall is equipped with graduation mark;When doing collision experiment, two objects are clashed on the first table top 51, pass through the scale Line is the distance for being convenient to the object after measurement collision.It is set respectively on the right side wall of first table top 51 and the second table top 52 There is graduation mark, and the scale value of the graduation mark of the first table top 51 is from the connecting pin of the first table top 51 and the second table top 52 to First The front end in face 51 is sequentially increased, the connection of the scale value of the graduation mark of the second table top 52 from the second table top 52 and third table top 53 End to the connecting pin of the second table top 52 and the first table top 51 is sequentially increased;
When doing collision experiment, it can recorde the initial position of bead by the scale on the second table top 52, pass through first Scale on table top 51 can recorde the mobile distance of bead.
Embodiment 7
The present embodiment is to be further improved on the basis of embodiment 1, specifically, as shown in fig. 6, the first table top 51 and The left and right ends of two table tops 52 are equipped with symmetrical sliding rail 512, and sliding is equipped with clamping plate 513 in the sliding rail 512, which is two It is a, and it is connected with elastic component 514 between two clamping plates 513, which is located in sliding rail 512.The bottom of the clamping plate 513 Portion is equipped with deck 515, which is fastened in sliding rail 512;The both ends end of the sliding rail 512 offers transverse groove 516, The deck 515 can be inserted into the transverse groove 516 or take out out of this transverse groove 516;On the sliding rail 512 and transverse groove 516 It is additionally provided with dismountable cover board 517, the cover board 517 and the form and dimension of sliding rail 512, transverse groove 516 are all the same.
Consolidated by equipment or object that setting clamping plate 513 can place the first table top 51 and the second table top 52 It is fixed, it prevents from toppling over damage;Simultaneously clamping plate 513 when not in use, can also be removed from the first table top 51 and the second table top 52, and can To cover sliding rail 512 and transverse groove 516 by cover board 517, sliding rail 512 and transverse groove 516 are reduced to the shadow of other Physical Experiments It rings.
Embodiment 8
The present embodiment is to be further improved on the basis of embodiment 1, and specifically, the supporting block 44 is spherical, and is led to Some face contacts are crossed, the resistance when rotation of the first table top 51 is reduced;The lower surface of pedestal 10 is also equipped with pulley 12, can be convenient ground The mobile Physical Experiment lifting platform;Meanwhile self-locking device can be set on the pulley 12, which is the prior art, is led to Pulley 12 can be locked and fix by crossing the self-locking device.
The above is only feature implementation examples of the invention, are not limited in any way to the scope of the present invention.It is all to use together The technical solution formed Deng exchange or equivalence replacement, all falls within rights protection scope of the present invention.

Claims (10)

1. a kind of Physical Experiment lifting platform, it is characterised in that: it includes pedestal (10), support plate (20), fixed plate (30), installation Plate (40), experiment table top (50), lifting device and rotating device;The support plate (20) is symmetrically mounted on the pedestal (10) On, the fixed plate (30) is horizontally fixed on support plate (20), and the mounting plate (40) is located at the upper of the support plate (20) Side, experiment table top (50) are located at the top of the mounting plate (40);
The lifting device includes the first worm screw (61), the second worm screw (62), third worm screw (63), the first worm gear (64) and the The both ends of two worm gears (65), first worm screw (61) are rotatably installed on the support plate (20), and the first worm screw (61) with The pedestal (10) is arranged in parallel;First worm gear (64), the second worm gear (65) are rotatably arranged on the fixed plate (30), And first worm gear (64), the second worm gear (65) are meshed with first worm screw (61) respectively;First worm gear (64), The screw hole (66) through its roof and bottom wall is respectively equipped in second worm gear (65);Second worm screw (62), third worm screw (63) upper end respectively with the mounting plate (40) hingedly, lower end is each passed through the screw hole (66) and is rotatably connected on the fixation On plate (30), the screw hole (66) is meshed with second worm screw (62), third worm screw (63) respectively;
The rotating device includes rotary worm (71) and rotation worm gear (72), the both ends rotational installation of the rotary worm (71) In the upper end of the support plate (20), rotation worm gear (72) upper surface is fixedly installed with convex block (73), which passes through The mounting plate (40) is worn to be fixedly connected in experiment table top (50);The upper surface of the mounting plate (40) is equipped with supporting block (44), the experiment table top (50) is arranged in the supporting block (44);
The experiment table top (50) includes sequentially connected first table top (51), the second table top (52) and third table top (53);Institute It states and opens up fluted on the first table top (51), second table top (52) is arranged in groove, and the second table top (52) and first Table top (51) upper surface flushes, and described second table top (52) one end is hinged on the first table top (51), the perpendicular side of the other end Upward third table top (53) connection;Screw rod (54), sliding block (55) and support rod (56), the spiral shell are additionally provided in the groove The both ends of bar (54) are rotatably connected on first table top (51), and sliding block (55) sliding is located on the screw rod (54), Hingedly, the other end and the lower surface of second table top (52) are hinged for one end and the sliding block (55) of the support rod (56); The side wall of the third table top (53) is equipped with the bolt (57) in horizontal direction, which is rotatably connected on third table top (53) on.
2. a kind of Physical Experiment lifting platform according to claim 1, it is characterised in that: the pedestal (10) is far from third platform Sliding slot is offered on the side wall in face, sliding is equipped with the storage tank (11) in horizontal direction in the sliding slot, which is upper The enclosed construction of end opening, the storage tank (11) is interior to be equipped with fine sand or foam-rubber cushion;The side wall of the storage tank (11) is equipped with Graduation mark, and the scale value of the graduation mark by storage tank (11) and pedestal (10) connecting pin to storage tank (11) other end successively Increase.
3. a kind of Physical Experiment lifting platform according to claim 1, it is characterised in that: the front side of the third table top (53) The first sliding rail (531), the second sliding rail (532) and third sliding rail (533) are offered on wall, first sliding rail (531), second are slided Rail (532) and third sliding rail (533) include the A section sliding rail and B sections of sliding rails being mutually smoothly connected, first sliding rail (531), the A section sliding rail of the second sliding rail (532) and third sliding rail (533) is arranged obliquely, and the A sections of sliding rail and horizontal direction Angle it is equal;The B section sliding rail of first sliding rail (531) is horizontally disposed, the B of the second sliding rail (532) and third sliding rail (533) Section sliding rail is arranged obliquely, and the B section sliding rail of the second sliding rail (532) and the angle of horizontal direction are less than third sliding rail (533).
4. a kind of Physical Experiment lifting platform according to claim 3, it is characterised in that: first sliding rail (531), second The angle of the A section sliding rail and horizontal direction of sliding rail (532) and third sliding rail (533) is 30 °;The B section sliding rail of second sliding rail (532) Angle with horizontal direction is 45 °;The B section sliding rail of third sliding rail (533) and the angle of horizontal direction are 60 °.
5. a kind of Physical Experiment lifting platform according to claim 1, it is characterised in that: first table top (51) is equipped with Fixed pulley (511) obliquely.
6. a kind of Physical Experiment lifting platform according to claim 1, it is characterised in that: the left and right two of the mounting plate (40) Hold the fixed link (41) being respectively equipped in vertical direction, the fixing bolt being threaded in horizontal direction in the fixed link (41) (42), which is equipped with pressing plate (43) towards one end of experiment table top (50).
7. a kind of Physical Experiment lifting platform according to claim 1, it is characterised in that: the front side of first table top (51) Wall is equipped with graduation mark;Graduation mark, and first are respectively equipped on the right side wall of first table top (51) and the second table top (52) The scale value of the graduation mark of table top (51) is from the connecting pin of the first table top (51) and the second table top (52) to the first table top (51) The other end is sequentially increased, the connection of the scale value of the graduation mark of the second table top (52) from the second table top (52) and third table top (53) End to the second table top (52) and the connecting pin of the first table top (51) is sequentially increased.
8. a kind of Physical Experiment lifting platform according to claim 1, it is characterised in that: first table top (51) and second The left and right ends of table top (52) are equipped with symmetrical sliding rail (512), and sliding is equipped with clamping plate (513) in the sliding rail (512), the clamping plate (513) it is two, and is connected with elastic component (514) between two clamping plates (513), which is located at sliding rail (512) It is interior.
9. a kind of Physical Experiment lifting platform according to claim 8, it is characterised in that: the bottom of the clamping plate (513) is set There are deck (515), which is fastened in sliding rail (512);The both ends end of the sliding rail (512) offers transverse groove (516), the deck (515) can be inserted into the transverse groove (516) or take out out of this transverse groove (516);The sliding rail (512) With dismountable cover board (517) are additionally provided on transverse groove (516), the cover board (517) and sliding rail (512), transverse groove (516) shape Shape and size are all the same.
10. a kind of Physical Experiment lifting platform according to claim 1, it is characterised in that: the supporting block (44) is in ball Shape;The lower surface of the pedestal (10) is also equipped with pulley (12).
CN201910006286.7A 2019-01-04 2019-01-04 A kind of Physical Experiment lifting platform Pending CN109622097A (en)

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CN201910006286.7A CN109622097A (en) 2019-01-04 2019-01-04 A kind of Physical Experiment lifting platform

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112570056A (en) * 2020-11-17 2021-03-30 衡阳师范学院 Lifting platform for college physics experiments

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995029311A1 (en) * 1994-04-22 1995-11-02 Sico Incorporated Lift apparatus
CN201655099U (en) * 2010-04-15 2010-11-24 吕尚格 Galileo inclined plane demonstrator
CN206853748U (en) * 2017-06-23 2018-01-09 李春雷 A kind of Physical Experiment lifting platform
CN108568325A (en) * 2018-04-09 2018-09-25 刘丹 A kind of chemical experiment environmental protection test table being convenient to clean
CN108620153A (en) * 2018-07-04 2018-10-09 长沙亚斯智能科技有限公司 A kind of experimental bench carrying out a variety of Physical Experiments

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995029311A1 (en) * 1994-04-22 1995-11-02 Sico Incorporated Lift apparatus
CN201655099U (en) * 2010-04-15 2010-11-24 吕尚格 Galileo inclined plane demonstrator
CN206853748U (en) * 2017-06-23 2018-01-09 李春雷 A kind of Physical Experiment lifting platform
CN108568325A (en) * 2018-04-09 2018-09-25 刘丹 A kind of chemical experiment environmental protection test table being convenient to clean
CN108620153A (en) * 2018-07-04 2018-10-09 长沙亚斯智能科技有限公司 A kind of experimental bench carrying out a variety of Physical Experiments

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112570056A (en) * 2020-11-17 2021-03-30 衡阳师范学院 Lifting platform for college physics experiments

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