CN208873357U - A kind of experiment instrument for probing into function Yu velocity variations relationship - Google Patents
A kind of experiment instrument for probing into function Yu velocity variations relationship Download PDFInfo
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- CN208873357U CN208873357U CN201820923134.4U CN201820923134U CN208873357U CN 208873357 U CN208873357 U CN 208873357U CN 201820923134 U CN201820923134 U CN 201820923134U CN 208873357 U CN208873357 U CN 208873357U
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- rear end
- pedestal
- air track
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- 238000002474 experimental method Methods 0.000 title claims abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 32
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052742 iron Inorganic materials 0.000 claims abstract description 16
- 239000003381 stabilizer Substances 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 230000013011 mating Effects 0.000 claims 1
- 230000006870 function Effects 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of experiment instruments for probing into function Yu velocity variations relationship, it is desirable to provide a kind of high experiment instrument for probing into function Yu velocity variations relationship of experimental precision.It includes the air track with pedestal, it is set to pedestal lower end, with the stabilizer blade for adjusting height structure, it is set to the pedestal of air track front end, it is installed on air track, the slipping block with air track cooperation, the dotted timer being set on pedestal, and the force application apparatus for applying tractive force to slipping block；It further includes the buffer unit for being set to air track rear end；The force application apparatus includes the electromagnet being set at pedestal rear end, two guide rods for being arranged in parallel and being located at pedestal rear end sides, extending to air track rear end, both ends are slideably positioned on two guide rods, iron block corresponding with electromagnet, and are installed in electromagnet rear end face, the spring that the other end and iron block are connected；The rear end face setting of the electromagnet is multiple for pacifying spring-loaded connecting column.
Description
Technical field
The utility model relates to teaching experimental equipment technical fields, probe into function and velocity variations relationship more particularly, to one kind
Experiment instrument.
Background technique
" relationship for probing into function and object speed variation " experiment is that new curriculum people teaches version teaching material (required 2) chapter 7
Section six of project in " mechanical energy and its law of conservation ".Teaching material arranges being primarily intended to for this section, passes through Experimental Research: to original
Come static object acting, the relationship of the speed obtained with object.Purpose is the process in order to allow student's experience and experience to probe into,
Improve the level of the connection between theory and practice；A understanding basis is established for the theory deduction of next section " kinetic energy and theorem of kinetic energy "；It is logical
The teaching of In this Section is crossed, can also promote student that can more profoundly recognize theorem of kinetic energy not only after learning theorem of kinetic energy
It is set up under conditions of constant force acting, is also to set up under conditions of variable force acting.
Currently, finding during teaching practice, experimental implementation skill requirement is very high, and experimental implementation difficulty is larger, main
Want reason are as follows: 1, rubber band be in trolley traveling front, when rubber band relaxation after, in trolley advance track on, meeting
The movement for interfering trolley, is not only not easy to operate, and will lead to experimental precision decline, obtains undesirable experimental result；
Furthermore rubber band stiffness factor is not exactly the same, experimental error can be also increased.2, carriage walking frictional force is larger, puts down in experiment
The practical operation for the frictional force that weighs is relatively difficult, influences experimental precision.3, due to there is no guiding mechanism, trolley is not can guarantee in plank
On motion profile be straight line, and trolley easily falls off from plank and causes to damage, and causes experiment that cannot continue to complete.
Utility model content
The purpose of this utility model is intended to overcome the shortcomings of the prior art, provides a kind of pair of moving of car interference
It is small, the experiment instrument for probing into function Yu velocity variations relationship of experimental precision can be greatly improved.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions:
A kind of experiment instrument that probing into function Yu velocity variations relationship is set under pedestal including the air track with pedestal
End, the stabilizer blade with adjusting height structure, are set to the pedestal of air track front end, are installed on air track, lead with air cushion
The slipping block of rail cooperation, the dotted timer being set on pedestal, and the force application apparatus for applying tractive force to slipping block；
It further includes the buffer unit for being set to air track rear end；The force application apparatus includes the electromagnetism being set at pedestal rear end
Iron, two guide rods for being arranged in parallel and being located at pedestal rear end sides, extending to air track rear end, both ends are slideably positioned in two guide rods
Upper, corresponding with electromagnet iron block, and be installed in electromagnet rear end face, the spring that the other end and iron block are connected；It is described
Multiple connecting columns for installing spring and being used for limited spring reduction length are arranged in the rear end face of electromagnet.
Preferably, further include the photoelectric door being installed at air track near middle, and be installed on slipping block upper end,
With the light barrier of photoelectric door cooperation；The light barrier upper end is lower than the installation site of rubber band.
Preferably, the connecting column is arranged in equidistant line or annular is uniformly arranged.
Preferably, the upper front end of the slipping block is streamlined.
Preferably, the groove body for being embedded in dotted timer is set on the pedestal, and meter is got in the setting fixation of groove body side ready
When device handle bolt.
Preferably, the buffer unit is resilient sleeve.
Compared with prior art, the utility model has the advantages that
(1) the utility model realizes the substitution to rubber band using the compressed action of spring, and uses high-speed double electromagnet bullet
Positioning when spring compresses solves the problems, such as that rubber band interferes carriage walking, then improves the success rate and reality of experiment
The precision tested.
(2) the utility model carries out the guiding of slipping block using air track, and the frictional force of slipping block can be greatly reduced,
Because frictional force is greatly reduced, the interference of experiment is also greatly reduced, then no longer needs to the operation for being balanced frictional force, therefore real
It tests operation to be simplified, experimental precision is also further improved.
(3) buffer unit for being buffered and being limited to slipping block is arranged in the utility model on air track, can be effective
It avoids slipping block from falling off, then reduces the generation of slipping block damaged condition, and slide block reset fast and easy, reality can be effectively improved
The efficiency tested.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model one embodiment, and slipping block is in Initial condition at this time.
Fig. 2 is the enlarged drawing of part A in Fig. 1.
Fig. 3 is the top perspective view of force application apparatus in Fig. 1.
Fig. 4 is the structural schematic diagram of second embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.In the following description, in order to clearly demonstrate originally
The structure and working method of utility model will be described on the basis of attached drawing by many Directional words, but should be incited somebody to action
The Word Understandings such as "front", "rear", "left", "right", "upper", "lower" are not construed as word of limitation for convenience of term.
Embodiment 1
The experiment instrument that function Yu velocity variations relationship are probed into shown in Fig. 1-3 is set to including the air track 2 with pedestal 1
1 lower end of pedestal, the stabilizer blade 3 with adjusting height structure, are set to the pedestal 4 of 2 front end of air track, are installed on air track 2
Slipping block 6 that is upper, cooperating with air track 2, the dotted timer 5 being set on pedestal 4, and for applying to slipping block 6
The force application apparatus of tractive force；It further includes the buffer unit 7 for being set to 2 rear end of air track；The force application apparatus includes setting
Electromagnet 8 at 4 rear end of pedestal, two are arranged in parallel and are located at 4 rear end sides of pedestal, lead to what 2 rear end of air track extended
Bar 11, both ends are slideably positioned on two guide rods 11, iron block 9 corresponding with electromagnet 8, and are installed on 8 rear end face of electromagnet
The spring 10 that the upper, other end and iron block 9 are connected；The rear end face setting of the electromagnet 8 is multiple for installing spring 10, being used in combination
In the connecting column 12 of 10 reduction length of limited spring.
The connecting column 12 can be in vertical or horizontally equidistant line is arranged or annular is uniformly arranged, it is clear that also
It can be the applicable arrangement such as matrix；The connecting column is made of permeability magnetic material.
The groove body for being embedded in dotted timer 5 is set on the pedestal 4, and fixed dotted timer 5 is arranged in groove body side
Handle bolt 15.The fast assembling-disassembling of dotted timer can be realized by screwing handle bolt, and it is convenient to safeguard and replace with raising
Property.Obviously the installation of dotted timer can also be carried out using modes such as clampings.
The buffer unit 7 is resilient sleeve, it is clear that can be with spring or other applicable buffer gears.Spring can lead to
The modes such as clamping or hook are crossed to connect with iron block.
It is substituted it will be apparent that magnetic suspended guide can also be used in the air track in the present embodiment.
Embodiment 2
The experiment instrument that function Yu velocity variations relationship are probed into shown in Fig. 4 is set to bottom including the air track 2 with pedestal 1
1 lower end of seat, the stabilizer blade 3 with adjusting height structure, are set to the pedestal 4 of 2 front end of air track, be installed on air track 2,
The slipping block 6 cooperated with air track 2, the dotted timer 5 being set on pedestal 4, and drawn for applying to slipping block 6
The force application apparatus of power；It further includes the buffer unit 7 for being set to 2 rear end of air track；The force application apparatus includes being set to seat
Electromagnet 8 at 4 rear end of body is set to 6 front end of slipping block, iron block 9 corresponding with electromagnet 8, and after being installed on electromagnet 8
Hold the spring 10 on end face；Gag lever post 11 of 9 front end surface of the iron block setting towards electromagnet 8, the rear end of the electromagnet 8
The connecting column 12 of multiple installation springs 10 is arranged in end face.
Further include the photoelectric door 13 being installed at 2 near middle of air track, and is installed on 6 upper end of slipping block and light
The light barrier 14 that electric switch 13 cooperates.Photoelectric door is connect with digital timer when use, slipping block is can be obtained and passes through photoelectric door
When speed, can substitute dotted timer exclusive use, also used simultaneously in combination with dotted timer, to the speed of slipping block
Degree is verified.
As a further improvement, the upper front end of the slipping block 6 be it is streamlined, to reduce air drag, further mention
The accuracy of height experiment.
When doing teaching demonstration and experiment, stabilizer blade adjusts the levelness of air track according to the usage requirement.It will be slided before use
Moving block, extreme direction is mobile forward from rear end, then iron block is pushed to move compressed spring along guide rod, and the power supply for stirring electromagnet is opened
Pass makes its energization, as shown in Figure 1, spring 10 is compressed after the connecting column on iron block and electromagnet adsorbs.Then meter will be got ready
When device paper tape 16 and slipping block front end be connected, the power switch that can stir electromagnet later makes its power-off, at this time iron block lose
Go the effect of electromagnet magnetic force, the spring of compression is released and pushes iron block mobile, then drives slipping block to after air track
Sliding is held, the paper tape of dotted timer obtains and gets paper tape needed for experiment ready, and slipping block is finally slided to stopping at buffer unit,
The quantity for increasing spring later repeats aforesaid operations.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of experiment instrument for probing into function Yu velocity variations relationship is set to bottom including the air track (2) with pedestal (1)
Seat (1) lower end, the stabilizer blade (3) with adjusting height structure, are set to the pedestal (4) of air track (2) front end, are installed on air cushion
Slipping block (6) on guide rail (2), with air track (2) cooperation, the dotted timer (5) being set on pedestal (4), Yi Jiyong
In the force application apparatus for applying tractive force to slipping block (6)；It is characterized by: it further includes being set to air track (2) rear end
Buffer unit (7)；The force application apparatus includes the electromagnet (8) being set at pedestal (4) rear end, and two are arranged in parallel and are located at seat
Body (4) rear end sides, the guide rod (11) extended to air track (2) rear end, both ends are slideably positioned on two guide rods (11) and electricity
The corresponding iron block (9) of magnet (8), and be installed in electromagnet (8) rear end face, the spring that the other end and iron block (9) are connected
(10)；The rear end face setting of the electromagnet (8) is multiple for installing spring (10) and for limited spring (10) compression length
The connecting column (12) of degree.
2. probing into the experiment instrument of function Yu velocity variations relationship according to claim 1, it is characterised in that: further include being installed on gas
The photoelectric door (13) at guide rail (2) near middle is padded, and is installed on slipping block (6) upper end, the gear with photoelectric door (13) cooperation
Mating plate (14).
3. the experiment instrument according to claim 1 or claim 2 for probing into function Yu velocity variations relationship, it is characterised in that: the connecting column
(12) it is uniformly arranged in equidistant line arrangement or annular.
4. the experiment instrument according to claim 1 or claim 2 for probing into function Yu velocity variations relationship, it is characterised in that: the slipping block
(6) upper front end is streamlined.
5. the experiment instrument according to claim 1 or claim 2 for probing into function Yu velocity variations relationship, it is characterised in that: the pedestal (4)
It is upper that the groove body for being embedded in dotted timer (5) is set, and the handle bolt (15) of fixed dotted timer (5) is arranged in groove body side.
6. the experiment instrument according to claim 1 or claim 2 for probing into function Yu velocity variations relationship, it is characterised in that: the buffering dress
Setting (7) is resilient sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820923134.4U CN208873357U (en) | 2018-06-14 | 2018-06-14 | A kind of experiment instrument for probing into function Yu velocity variations relationship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820923134.4U CN208873357U (en) | 2018-06-14 | 2018-06-14 | A kind of experiment instrument for probing into function Yu velocity variations relationship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208873357U true CN208873357U (en) | 2019-05-17 |
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ID=66462191
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820923134.4U Expired - Fee Related CN208873357U (en) | 2018-06-14 | 2018-06-14 | A kind of experiment instrument for probing into function Yu velocity variations relationship |
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| Country | Link |
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| CN (1) | CN208873357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970652A (en) * | 2021-10-20 | 2022-01-25 | 陕西鼎泰光宇科技有限公司 | Laser sensing simulation speed measurement method and system, computer equipment, terminal and medium |
-
2018
- 2018-06-14 CN CN201820923134.4U patent/CN208873357U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970652A (en) * | 2021-10-20 | 2022-01-25 | 陕西鼎泰光宇科技有限公司 | Laser sensing simulation speed measurement method and system, computer equipment, terminal and medium |
| CN113970652B (en) * | 2021-10-20 | 2024-05-28 | 陕西鼎泰光宇科技有限公司 | Laser sensing simulation speed measuring method, system, computer equipment, terminal and medium |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190517 |