CN109470339A - A method of making a low-cost simple tray balance for a middle school biological experiment - Google Patents
A method of making a low-cost simple tray balance for a middle school biological experiment Download PDFInfo
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- CN109470339A CN109470339A CN201811323539.5A CN201811323539A CN109470339A CN 109470339 A CN109470339 A CN 109470339A CN 201811323539 A CN201811323539 A CN 201811323539A CN 109470339 A CN109470339 A CN 109470339A
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- pointer
- balance
- middle school
- counter balance
- bioexperiment
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000002474 experimental method Methods 0.000 title abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 82
- 229910052742 iron Inorganic materials 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 4
- 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 description 16
- 238000005452 bending Methods 0.000 claims description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 2
- 239000003292 glue Substances 0.000 abstract description 2
- 239000010791 domestic waste Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G1/00—Weighing apparatus involving the use of a counterweight or other counterbalancing mass
- G01G1/18—Balances involving the use of a pivoted beam, i.e. beam balances
- G01G1/24—Platform-type scales, i.e. having the pans carried above the beam
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Toys (AREA)
Abstract
本发明公开了一种中学生物实验低成本简易托盘天平的制作方法，S1）加工平衡臂；S2）制作指针及指针托架；S3）制作托盘及托盘架；S4）制作游码和平衡铁片；S5）固定和调平；S6）制作底座和指针刻度盘；S7）标定游码刻度；S8）装配安装，支柱的底端固定连接在底座的顶端面中央，可选用胶水连接，亦可以选择其他同等效果的固定方式，指针刻度盘紧贴支柱且与指针相配合，并用螺钉固定在底座上，圆圈穿入托盘上边缘的切口从而固定托盘，托盘架的另一端挂在托盘勾上，即可制作出整个托盘天平；本发明通过生活废品制作简易的托盘天平，并能进行一定程度的物体承重，从而使得学生对托盘天平的整体结构、内部结构以及工作原理都有更为清晰的认知和理解。
The invention discloses a method for manufacturing a low-cost simple tray balance for a middle school biological experiment. S1) processing a balance arm; S2) manufacturing a pointer and a pointer bracket; S3) manufacturing a tray and a tray rack; S4) manufacturing a caliper and a balance iron sheet ; S5) Fixing and leveling; S6) Making the base and pointer dial; S7) Calibrating the vernier scale; S8) Assembling and installing, the bottom end of the pillar is fixedly connected to the center of the top surface of the base, and glue connection is optional, or you can choose Other fixing methods with the same effect, the pointer dial is close to the pillar and matched with the pointer, and is fixed on the base with screws, the circle penetrates the incision on the upper edge of the tray to fix the tray, and the other end of the tray holder hangs on the tray hook, that is, The whole pallet balance can be made; the present invention makes a simple pallet balance from household waste, and can carry out a certain degree of object load-bearing, so that students can have a clearer understanding of the overall structure, internal structure and working principle of the pallet balance and understanding.
Description
Technical field
The present invention relates to manual teaching field, specially a kind of production of middle school's Bioexperiment low cost simple counter balance
Method.
Background technique
Biology refers to the set of life entity and an object with kinetic energy, and individual biology refers to organism, with
It is abiotic opposite.Its element include: under field conditions (factors), by chemical reaction generate with survival ability and fertility
Lived object and the lived offspring generated by its (or they) by breeding can make accordingly extraneous stimulation
Reaction can interdepend with extraneous environment, mutually promote.Further, it is possible to which substance useless in vivo is discharged, there is heredity and become
Different characteristic.
Biological subject initiation study be it is gradually deepening since middle school, middle school bioconversion medium content mostly with experiment
Based on initiation, student can use a large amount of experiment equipment in biology laboratory, and wherein counter balance is commonly used in experiment
A kind of laboratory apparatus.But counter balance, the introduction that student only accepts teacher are learned how using without not into one
The specific structure of counter balance and use principle, cause many students using repeatedly after still have little understanding to this, be unfavorable for learning
Raw experimental learning, the present invention provide a kind of method using house refuse waste product production counter balance, student can start to make
Make counter balance, to be better understood by counter balance.
Summary of the invention
The purpose of the present invention is to provide a kind of production methods of middle school's Bioexperiment low cost simple counter balance, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme:
S1 it) processes counter-jib: taking a batten, hit central aperture in the center of batten, and beat binding hole at batten both ends, pass through screw
Cooperate binding hole, installation pallet hooks, and the processing of counter-jib can be completed；
S2 pointer and pointer bracket) are made: selecting iron wire that one end bending of iron wire can be formed pointer；Take two patches easy-to-draw
Tank takes the bottom face of pop can, cuts out two iron plates, and the bracket slot matched with pointer is equipped on the top of iron plate, can be made
Pointer bracket.
S3 pallet and tray rack) are made: pop can bottom being cut, and in several equidistant notch of edge scissor, that is, can be made into support
Disk；It by one end of iron wire with pliers circle at the circle of pallet size, the side bending of the close circle of iron wire, and is in 90 with circle
Angle is spent, the other end bending of iron wire forms hook, that is, can be made into tray rack；
S4) production rider and balance iron plate: the side of pop can is folded, does strip piece, strip piece is converted into one can
The straight-flanked ring nested structure covered on counter-jib is covered, that is, can be made into rider；The structure for balancing iron plate is identical with the structure of rider；
S5) fixed and leveling: one end batten is selected, and makes the specification of the fixation of batten, pillar can be fabricated to；Two pointers
At the top of the symmetrical front and back end for being mounted on pillar of bracket, the curved end of pointer through counter-jib and is placed on two pointer supports
In the bracket slot of frame, and by the position of balance iron plate adjustment counter-jib, so that pointer is in a vertical state, and counter-jib is in
Horizontality, i.e. balance-adjustable；
S6 pedestal and pointer scale disk) are made: selecting one piece of gentle plank, and processes the fixation specification of plank, can make
At pedestal；One piece of the rectangular aluminium flake of pop can sidewall length, the middle part bending of aluminium flake are taken, and forms an angle of 90 degrees, the vertical side wall of aluminium flake
Regular counter balance manufactured size scale is compared, pointer scale can be made；
S7 rider scale) is demarcated: using the weight of object on regular counter balance as standard, the trip of calibration self-control counter balance respectively
Code scale；
S8) assembly installation: the bottom end of pillar be fixedly connected on pedestal top end face center, pointer scale disk be close to pillar and with finger
Needle matches, and circle penetrates the notch on pallet, fixed tray, and the other end of tray rack hangs over pallet and hooks, can produce
Entire counter balance.
Further, the manufactured size specification of counter-jib is 300mm × 16mm × 13mm.
Further, distance of the binding hole apart from batten edge is 5mm.
Further, the other end sharpening of pointer iron wire, make instruction needle point, the dimensions of pointer bracket be 50mm ×
30mm。
Further, pointer is the iron wire structure in 90 degree of bendings.
Further, the front end face bottom of the iron plate of pointer bracket, which is uniformly held, is equipped with several mounting holes.
Further, the middle part of tray rack is equipped with bent angle, and bent angle is 135 degree.
Further, the dimensions of pillar is 210mm × 30mm × 18mm.
Further, the dimensions of rider is 50mm × 30mm.
Further, the dimensions of pedestal is 400mm × 100mm × 16mm.
Compared with prior art, the present invention makes easy counter balance by house refuse waste product, and can be carried out certain
The object load-bearing of degree, so that student has more the overall structure, internal structure and working principle of counter balance
Clearly to recognize and understand, improve the quality of student's study, and the process made more can training student learning interest.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the perspective view of middle school's Bioexperiment low cost simple counter balance of the present invention；
Fig. 2 is a kind of structural schematic diagram of the pointer of middle school's Bioexperiment low cost simple counter balance of the present invention；
Fig. 3 is a kind of structural schematic diagram of the pointer bracket of middle school's Bioexperiment low cost simple counter balance of the present invention；
Fig. 4 is a kind of structural schematic diagram of the tray rack of middle school's Bioexperiment low cost simple counter balance of the present invention.
In figure: 1- pedestal, 2- pillar, 3- counter-jib, 4- rider, 5- pallet, 6- tray rack, 7- pallet hook, 8- pointer, 9-
Pointer bracket, 10- pointer scale disk, 11- balance iron plate.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
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.
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
Please refer to Fig. 1-4, a kind of production method of middle school's Bioexperiment low cost simple counter balance, comprising the following steps:
S1 counter-jib 3) is processed, batten is selected, and intercept fixed specification, hits central aperture in the center of batten, and in batten two
Binding hole is beaten at end, and distance of the binding hole apart from batten edge is 5mm；By screw fit binding hole, pallet is installed and hooks 7
The processing of counter-jib 3 is completed, as shown in Figure 1；
S2 pointer 8 and pointer bracket 9) are made, iron wire is selected, one end bending of iron wire, bent angle is 90 degree, and the other end is as finger
Show needle point, pointer 8 can be formed, as shown in Figure 1；Two patch pop cans are removed, cut off the bottom face of pop can, and cut out and come two
A rectangle iron plate is equipped with the bracket slot matched with pointer 8 on the top of iron plate, and the bracket slot is U-type groove, to produce
Pointer bracket 9, as shown in Figure 3；
S3 pallet 5 and tray rack 6) are made, pop can bottom is cut, and in several equidistant notch of edge scissor, that is, can be made into pallet
5；It by one end of iron wire with pliers circle at the circle of pallet size, the side bending of the close circle of iron wire, and is in 90 with circle
Angle is spent, the other end bending of iron wire forms hook, and for iron wire close to a middle side part bending of hook, bent angle is 135 degree, can be made
At tray rack, as shown in Figure 4；
S4) production rider 4 and balance iron plate 11, the side of pop can is folded, hammer hammer out is then used, forms a strip
Chip architecture, strip piece, which is then converted into one, can cover the straight-flanked ring nested structure covered on counter-jib 3, that is, can be made into rider 4；Institute
The structure for stating balance iron plate 11 is identical with the structure of rider 4；
S5) fixed and leveling, selects one end batten, and make the specification of the fixation of batten, can be fabricated to pillar 2；Two fingers
The front and back end top that is mounted on pillar 2 symmetrical by screw of needle carrier 9, the curved end of pointer 8 through counter-jib 3 and are put
It sets in the bracket slot of two pointer brackets 9, and adjusts the position of counter-jib 3 by balance iron plate 11, so that pointer 8 is in perpendicular
Straight state, and counter-jib 3 is in horizontality；
S6 pedestal 1 and pointer scale disk 10) are made, one piece of gentle plank is selected, and process the fixation specification of plank, can make
It is made pedestal 1；It chooses one piece of side wall of pop can (aluminum), and makes rectangle aluminium flake (aluminium flake specification is 70mm × 30mm), aluminium
The middle part bending of piece, and an angle of 90 degrees is formed, the vertical side wall of aluminium flake compares regular counter balance manufactured size scale, the bottom of aluminium flake
Wall is equipped with mounting hole；
S7 rider scale) is demarcated, using the weight of object on regular counter balance as standard, the trip of calibration self-control counter balance respectively
Code scale, due to the density of wood difference of selection, between scale it is possible that the case where Unequal distance；
S8) assembly installation, the bottom end of pillar 2 are fixedly connected on the top end face center of pedestal 1, glue connection can be selected, can also
The fixed form of other equivalent effects is selected, pointer scale disk 10 is close to pillar 2 and is matched with pointer 8, and is screwed
On pedestal 1, as shown in Figure 1, at this point, noticing that check and correction pointer 8 is directed at the nominal zero of pointer scale disk 10；Circle penetrates pallet
To fixed tray 5, the other end of tray rack 6 hangs over pallet and hooks on 7 the notch of 5 top edges, can produce entire pallet day
It is flat, as shown in Figure 1.
Embodiment 2
The present embodiment is being further described on the basis of embodiment 1, the manufactured size specification of counter-jib 3 be 300mm ×
16mm×13mm。
Another one end sharpening 8 iron wire of pointer forms prong, is convenient for indicating graduation, improves the standard of reading data
True property；The dimensions of the pointer bracket 9 is 50mm × 30mm.
The front end face bottom of the iron plate of the pointer bracket 9, which is uniformly held, is equipped with several mounting holes, attachment screw is used for, referring to
Needle carrier 9 is mounted on pillar 2, improves the convenience of installation and the stability of installation.
The dimensions of the pillar 2 is 210mm × 30mm × 18mm.
The dimensions of the rider 4 is 50mm × 30mm.
The dimensions of the pedestal 1 is 400mm × 100mm × 16mm.
The innovation of the invention consists in that making easy counter balance by house refuse waste product, and it can be carried out certain journey
The object load-bearing of degree, so that student has more the overall structure, internal structure and working principle of counter balance
Clearly recognize and understand, improve student study quality, and make process more can training student learning interest.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
Various changes can be made.
Claims (10)
1. a kind of production method of middle school's Bioexperiment low cost simple counter balance, which comprises the following steps:
S1 counter-jib (3)) are processed: taking a batten, hits central aperture in the center of batten, and beat binding hole at batten both ends, pass through
Screw fit binding hole, installation pallet hook (7), the processing of counter-jib (3) can be completed；
S2 pointer (8) and pointer bracket (9)) are made: selecting iron wire that one end bending of iron wire can be formed pointer (8)；It takes
Two patch pop cans, take the bottom face of pop can, cut out two iron plates, and the support matched with pointer (8) is equipped on the top of iron plate
Rack slot can make pointer bracket (9)；
S3 pallet (5) and tray rack (6)) are made: pop can bottom being cut, and in several equidistant notch of edge scissor, that is, can be made into
Pallet (5)；By one end of iron wire with pliers circle at the circle of pallet (5) size, the side bending of the close circle of iron wire, and with
Circle is in an angle of 90 degrees, and the other end bending of iron wire forms hook, that is, can be made into tray rack (5)；
S4 rider (4)) are made and balance iron plate (11): the side of pop being folded, strip piece is done, strip piece is converted into
One can cover the straight-flanked ring nested structure covered on counter-jib (3), that is, can be made into rider (4)；Balance the structure and trip of iron plate (11)
The structure of code (4) is identical；
S5) fixed and leveling: one end batten is selected, and makes the specification of the fixation of batten, pillar (2) can be fabricated to；Two
At the top of the symmetrical front and back end for being mounted on pillar (2) of pointer bracket (9), the curved end of pointer (8) through counter-jib (3) and
It is placed in the bracket slot of two pointer brackets (9), and by the position of balance iron plate (11) adjustment counter-jib (3), so that referring to
Needle (8) is in a vertical state, and counter-jib (3) is in horizontality, i.e. balance-adjustable；
S6 pedestal (1) and pointer scale disk (10)) are made: selecting one piece of gentle plank, and processes the fixation specification of plank, i.e.,
Pedestal (1) can be fabricated to；One piece of the rectangular aluminium flake of pop can sidewall length, the middle part bending of aluminium flake are taken, and forms an angle of 90 degrees, aluminium flake is perpendicular
Straight side wall compares regular counter balance manufactured size scale, can make pointer scale disk (10)；
S7 rider scale) is demarcated: using the weight of object on regular counter balance as standard, the trip of calibration self-control counter balance respectively
Code scale；
S8) assembly installation: the bottom end of pillar (2) is fixedly connected on the top end face center of pedestal (1), and pointer scale disk (10) is close to
Pillar (2) and matched with pointer (8), circle penetrates the notch on pallet (5), fixed tray (5), tray rack (6) it is another
End hangs over pallet and hooks on (7), can produce entire counter balance.
2. a kind of production method of middle school's Bioexperiment low cost simple counter balance according to claim 1, feature
It is, the manufactured size specification of counter-jib (3) is 300mm × 16mm × 13mm.
3. a kind of production method of middle school's Bioexperiment low cost simple counter balance according to claim 2, feature
It is, distance of the binding hole apart from batten edge is 5mm.
4. a kind of production method of middle school's Bioexperiment low cost simple counter balance according to claim 1, feature
It is, the other end sharpening of pointer (8) iron wire, makees instruction needle point, the dimensions of pointer bracket (9) is 50mm × 30mm.
5. a kind of production method of middle school's Bioexperiment low cost simple counter balance according to claim 4, feature
It is, pointer (8) is the iron wire structure in 90 degree of bendings.
6. a kind of production method of middle school's Bioexperiment low cost simple counter balance according to claim 3, feature
It is, the front end face bottom of the iron plate of pointer bracket (9), which is uniformly held, is equipped with several mounting holes.
7. a kind of production method of middle school's Bioexperiment low cost simple counter balance according to claim 3, feature
It is, the middle part of tray rack (5) is equipped with bent angle, and bent angle is 135 degree.
8. a kind of production method of middle school's Bioexperiment low cost simple counter balance according to claim 1, feature
It is, the dimensions of pillar (2) is 210mm × 30mm × 18mm.
9. a kind of production method of middle school's Bioexperiment low cost simple counter balance according to claim 2, feature
It is, the dimensions of rider (4) is 50mm × 30mm.
10. a kind of production method of middle school's Bioexperiment low cost simple counter balance according to claim 1, feature
It is, the dimensions of pedestal (1) is 400mm × 100mm × 16mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811323539.5A CN109470339A (en) | 2018-11-08 | 2018-11-08 | A method of making a low-cost simple tray balance for a middle school biological experiment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811323539.5A CN109470339A (en) | 2018-11-08 | 2018-11-08 | A method of making a low-cost simple tray balance for a middle school biological experiment |
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| CN201811323539.5A Pending CN109470339A (en) | 2018-11-08 | 2018-11-08 | A method of making a low-cost simple tray balance for a middle school biological experiment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109820615A (en) * | 2019-04-03 | 2019-05-31 | 中国科学院深圳先进技术研究院 | An animal surgical fixation device |
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| CN109820615A (en) * | 2019-04-03 | 2019-05-31 | 中国科学院深圳先进技术研究院 | An animal surgical fixation device |
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Application publication date: 20190315 |