CN109712485A - A kind of mathematical model teaching aid - Google Patents
A kind of mathematical model teaching aid Download PDFInfo
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- CN109712485A CN109712485A CN201910169091.4A CN201910169091A CN109712485A CN 109712485 A CN109712485 A CN 109712485A CN 201910169091 A CN201910169091 A CN 201910169091A CN 109712485 A CN109712485 A CN 109712485A
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- China
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- placed cavity
- support base
- lifting seat
- mathematical model
- hydraulic cylinder
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Abstract
The invention discloses a kind of mathematical model teaching aids, belong to teaching equipment technical field, solve the problems, such as that existing apparatus rotating disk horizontal position is unadjustable；Its technical characteristic is: including support base, placed cavity and lifting seat, placed cavity is provided with above the support base, the lower surface middle position of placed cavity is fixedly connected with lifting seat, the lower end of lifting seat extends in placed cavity, and placed cavity is slidably connected with lifting seat, hydraulic cylinder is installed in support base, the telescopic end and placed cavity of hydraulic cylinder weld, PLC controller is provided on the right side of hydraulic cylinder, PLC controller is mounted in support base, and PLC controller and hydraulic cylinder are electrically connected, operation of the present invention is simple, it is easy to control, facilitate the teaching of teacher, it is able to ascend the learning efficiency of student simultaneously, it is suitble to application.
Description
Technical field
The present invention relates to teaching equipment technical field more particularly to a kind of mathematical model teaching aids.
Background technique
Mathematical model, using mathematical linguistics, is summarized for the feature or quantity dependence referring to certain things system
Ground or a kind of mathematic(al) structure approximatively stated out, this mathematic(al) structure are that certain system come is depicted by means of mathematic sign
Pure relational structure；From broad understanding, mathematical model includes each conception of species in mathematics, various formula and various theories.Because
They are abstracted by the prototype of real world, from this meaning, entire mathematics could also say that one about number
Learn the science of model；Understand from narrow sense, mathematical model only refers to that those reflect particular problem or specific specific things system
Mathematical relationship structure also is understood as the mathematical expression of the relationship in one system of connection in each variable in this meaning.
Mathematics teacher needs to help using assisting student to learn to mathematical model teaching aid when giving lessons to student
Student better understands knowledge；Chinese patent CN203982620U discloses a kind of embedded mathematical model device, including desktop,
Bracket is provided with below desktop, is provided with the embedded hole of perforation upper and lower surface at desktop-centric, on the bracket of the lower section of embedded hole
It is provided with cylinder, is provided with sealing strip between the piston and cylinder in cylinder；The right side of cylinder connects inflator pump, the left side of cylinder
Face is provided with deflation electromagnetic pump；The side of desktop is provided with the delay switch for controlling inflator pump and deflation electromagnetic pump respectively；Cylinder
Interior piston upper surface is connected with one end of piston rod, and the other end of piston rod connects the lower surface of embedded pallet；Insertion
There is rotating disk above formula pallet, the bottom surface of rotating disk is groove structure, and embedded pallet is embedded into the groove of rotating disk,
It is connected between embedded Tray side and the groove walls of rotating disk by bearing.It solves existing model display device and exists
Can not rotate the big problem of teaching aid, occupied space；But the device rotating disk horizontal position is unadjustable, leads to teachers' instruction
Efficiency reduces, therefore, it is proposed that a kind of mathematical model teaching aid.
Summary of the invention
It is described the purpose of the present invention is to provide a kind of mathematical model teaching aid, including support base, placed cavity and lifting seat
It is provided with placed cavity above support base, the lower surface middle position of placed cavity is fixedly connected with lifting seat, under lifting seat
End extends in placed cavity, and placed cavity is slidably connected with lifting seat, and hydraulic cylinder is equipped in support base, and hydraulic cylinder stretches
End is welded with placed cavity, is provided with PLC controller on the right side of hydraulic cylinder, and PLC controller is mounted in support base, and PLC is controlled
Device processed and hydraulic cylinder are electrically connected, to solve the problems, such as that existing apparatus rotating disk horizontal position is unadjustable.
To achieve the above object, the invention provides the following technical scheme:
A kind of mathematical model teaching aid, including support base, placed cavity and lifting seat are provided with placement above the support base
Chamber, the lower surface middle position of placed cavity are fixedly connected with lifting seat, and the lower end of lifting seat extends in placed cavity, and placed cavity
It is slidably connected with lifting seat, hydraulic cylinder is installed in support base, the telescopic end and placed cavity of hydraulic cylinder weld, the right side of hydraulic cylinder
Side is provided with PLC controller, and PLC controller is mounted in support base, and PLC controller and hydraulic cylinder are electrically connected.
As a further solution of the present invention: placed cavity bosom position is fixedly installed with partition, a left side for partition
Side is provided with driving motor, and the output end of driving motor is welded with driving gear, drives and is provided with rack gear above gear, rack gear
It is engaged with driving gear, the right end of rack gear runs through partition, and extends on the right side of partition.
As further scheme of the invention: being additionally provided with placing frame, the lower part setting of placing frame on the right side of the partition
There is locating rod, locating rod is fixedly connected by bolt with placed cavity, and the bottom of placing frame is connected with multiple second sliding blocks, and second is sliding
Block is set on the securing lever, and locating rod is slidably connected with the second sliding block.
As further scheme of the invention: the lifting seat and support base contact position are provided with limit chamber, limit
The inner vertical of position chamber is evenly distributed with multiple rollers.
As further scheme of the invention: be symmetrical arranged in the support base there are two gag lever post, gag lever post is logical
It crosses bolt to be fixedly connected with support base, the first sliding block, the fixed company in the bottom of the first sliding block and lifting seat is set on gag lever post
It connects, the middle position of support base is provided with hinged seat, is connected between hinged seat and the first sliding block by push rod, and hinged seat also connects
It is connected to column, is provided with buffer spring below first sliding block, buffer spring is sleeved on gag lever post, the bottom of support base
Portion is additionally provided with limit base, and limit base is sleeved on column, and limit base is slidably connected with column.
In conclusion the beneficial effects of the present invention are: the setting of roller can reduce lifting seat lifting resistance, reduce
The power consumption of hydraulic cylinder, buffer spring have the function of protecting the first slide block buffers, the setting of limit base can column play
The effect of limit；Operation of the present invention is simple, easy to control, facilitates the teaching of teacher, while being able to ascend the study effect of student
Rate is suitble to application.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of invention.
Fig. 2 is the structural schematic diagram of placed cavity in invention.
Fig. 3 is the structural schematic diagram of limit chamber in invention.
Fig. 4 is the structural schematic diagram of support base in invention.
In figure: 1- support base, 2- placed cavity, 3- lifting seat, 4- hydraulic cylinder, 5-PLC controller, 6- limit chamber, 7- limit
Position bar, the first sliding block of 8-, 9- buffer spring, 10- push rod, 11- limit base, 12- hinged seat, 13- column, 14- roller, 15- drive
Moving gear, 16- rack gear, 17- partition, 18- placing frame, 19- locating rod, the second sliding block of 20-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figures 1 to 3, in the embodiment of the present invention, a kind of mathematical model teaching aid, including support base 1, placed cavity 2 and lifting
Seat 3, the top of the support base 1 is provided with placed cavity 2, and the lower surface middle position of placed cavity 2 is fixedly connected with lifting seat
3, the lower end of lifting seat 3 extends in placed cavity 2, and placed cavity 2 is slidably connected with lifting seat 3, is equipped with liquid in support base 1
Cylinder pressure 4, the telescopic end and placed cavity 2 of hydraulic cylinder 4 weld, and the right side of hydraulic cylinder 4 is provided with PLC controller 5, and PLC controller 5 is pacified
In support base 1, and PLC controller 5 and hydraulic cylinder 4 are electrically connected；
The 2 bosom position of placed cavity is fixedly installed with partition 17, and the left side of partition 17 is provided with driving motor, driving electricity
The output end of machine is welded with driving gear 15, and the top of driving gear 15 is provided with rack gear 16, and rack gear 16 is nibbled with driving gear 15
It closes, the right end of rack gear 16 runs through partition 17, and extends to 17 right side of partition, is additionally provided with placing frame on the right side of the partition 17
18, the lower part of placing frame 18 is provided with locating rod 19, and locating rod 19 is fixedly connected by bolt with placed cavity 2, placing frame 18
Bottom is connected with multiple second sliding blocks 20, and the second sliding block 20 is sleeved in locating rod 19, and locating rod 19 and the second sliding block 20 are sliding
Dynamic connection；Driving motor is able to drive driving gear 15 and rotates, and driving gear 15 is rotated with carry-over bar 16, so that rack gear 16 pushes
Placing frame 18 horizontally slips along locating rod 19, realizes the folding and unfolding of placing frame 18.
Embodiment 2
As shown in figures 1-4, in the embodiment of the present invention, a kind of mathematical model teaching aid, including support base 1, placed cavity 2 and lifting
Seat 3, the top of the support base 1 is provided with placed cavity 2, and the lower surface middle position of placed cavity 2 is fixedly connected with lifting seat
3, the lower end of lifting seat 3 extends in placed cavity 2, and placed cavity 2 is slidably connected with lifting seat 3, is equipped with liquid in support base 1
Cylinder pressure 4, the telescopic end and placed cavity 2 of hydraulic cylinder 4 weld, and the right side of hydraulic cylinder 4 is provided with PLC controller 5, and PLC controller 5 is pacified
In support base 1, and PLC controller 5 and hydraulic cylinder 4 are electrically connected；
The 2 bosom position of placed cavity is fixedly installed with partition 17, and the left side of partition 17 is provided with driving motor, driving electricity
The output end of machine is welded with driving gear 15, and the top of driving gear 15 is provided with rack gear 16, and rack gear 16 is nibbled with driving gear 15
It closes, the right end of rack gear 16 runs through partition 17, and extends to 17 right side of partition, is additionally provided with placing frame on the right side of the partition 17
18, the lower part of placing frame 18 is provided with locating rod 19, and locating rod 19 is fixedly connected by bolt with placed cavity 2, placing frame 18
Bottom is connected with multiple second sliding blocks 20, and the second sliding block 20 is sleeved in locating rod 19, and locating rod 19 and the second sliding block 20 are sliding
Dynamic connection；Driving motor is able to drive driving gear 15 and rotates, and driving gear 15 is rotated with carry-over bar 16, so that rack gear 16 pushes
Placing frame 18 horizontally slips along locating rod 19, realizes the folding and unfolding of placing frame 18.
The lifting seat 3 is provided with limit chamber 6 with 1 contact position of support base, and the inner vertical of limit chamber 6 is uniformly distributed multiple
Roller 14, the setting of roller 14 can reduce the resistance of the lifting of lifting seat 3, reduce the power consumption of hydraulic cylinder 4.
It is symmetrical arranged in the support base 1 there are two gag lever post 7, gag lever post 7 connects by the way that bolt and support base 1 are fixed
It connects, the first sliding block 8 is set on gag lever post 7, the first sliding block 8 is fixedly connected with the bottom of lifting seat 3, first sliding block 8
Lower section is provided with buffer spring 9, and buffer spring 9 is sleeved on gag lever post 7, and buffer spring 9 has to 8 buffer protection of the first sliding block
Effect, the middle position of support base 1 is provided with hinged seat 12, is connected between hinged seat 12 and the first sliding block 8 by push rod 10
It connects, hinged seat 12 is also connected with column 13；
The bottom of support base 1 is additionally provided with limit base 11, and limit base 11 is sleeved on column 13, and limit base 11 and column 13 are sliding
Dynamic connection, and the setting of limit base 11 can column 13 play the role of limit.
In conclusion the working principle of the invention is: driving motor is able to drive driving gear 15 and rotates, and drives gear 15
Band carry-over bar 16 rotates, so that rack gear 16 pushes placing frame 18 to horizontally slip along locating rod 19, realizes the folding and unfolding of placing frame 18,
Hydraulic cylinder 4 is able to drive placed cavity 2 and lifting seat 3 is gone up and down, and realizes the flexible modulation to 2 height of placed cavity；Operation of the present invention
Simply, easy to control, facilitate the teaching of teacher, while being able to ascend the learning efficiency of student, is suitble to application.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
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 the invention and simplifies description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitation of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and it should not be understood as instruction or dark
Show relative importance or implicitly indicates the quantity of indicated technical characteristic.The spy of " first ", " second " etc. is defined as a result,
Sign can explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated,
The meaning of " plurality " is two or more.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of mathematical model teaching aid, including support base (1), placed cavity (2) and lifting seat (3), the support base (1)
Top is provided with placed cavity (2), which is characterized in that and the lower surface middle position of placed cavity (2) is fixedly connected with lifting seat (3),
The lower end of lifting seat (3) extends in placed cavity (2), and placed cavity (2) is slidably connected with lifting seat (3), in support base (1)
It is equipped with hydraulic cylinder (4), the telescopic end of hydraulic cylinder (4) and placed cavity (2) are welded, and hydraulic cylinder is provided with PLC control on the right side of (4)
Device (5), PLC controller (5) are mounted on support base (1), and PLC controller (5) and hydraulic cylinder (4) are electrically connected.
2. mathematical model teaching aid according to claim 1, which is characterized in that placed cavity (2) the bosom position is solid
Dingan County is equipped with partition (17), is provided with driving motor on the left of partition (17), the output end of driving motor is welded with driving gear
(15), it drives above gear (15) and is provided with rack gear (16), rack gear (16) is engaged with driving gear (15), the right side of rack gear (16)
Partition (17) are run through at end, and extend on the right side of partition (17).
3. mathematical model teaching aid according to claim 2, which is characterized in that be additionally provided with placement on the right side of the partition (17)
Frame (18), the lower part of placing frame (18) are provided with locating rod (19), and locating rod (19) connects by the way that bolt and placed cavity (2) are fixed
It connects, the bottom of placing frame (18) is connected with multiple second sliding blocks (20), and the second sliding block (20) is sleeved on locating rod (19), and fixed
Position bar (19) is slidably connected with the second sliding block (20).
4. mathematical model teaching aid according to claim 1, which is characterized in that the lifting seat (3) connects with support base (1)
Touching position is provided with limit chamber (6), and the inner vertical of limit chamber (6) is evenly distributed with multiple rollers (14).
5. mathematical model teaching aid according to claim 4, which is characterized in that be symmetrically arranged in the support base (1)
Two gag lever posts (7), gag lever post (7) are fixedly connected by bolt with support base (1), and it is sliding that first is set on gag lever post (7)
Block (8), the first sliding block (8) are fixedly connected with the bottom of lifting seat (3), and the middle position of support base (1) is provided with hinged seat
(12), it is connect between hinged seat (12) and the first sliding block (8) by push rod (10), hinged seat (12) is also connected with column (13).
6. mathematical model teaching aid according to claim 5, which is characterized in that be provided with below first sliding block (8)
Buffer spring (9), buffer spring (9) are sleeved on gag lever post (7).
7. mathematical model teaching aid according to claim 5 or 6, which is characterized in that the bottom of support base (1) is additionally provided with
Limit base (11), limit base (11) are sleeved on column (13), and limit base (11) is slidably connected with column (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910169091.4A CN109712485A (en) | 2019-03-06 | 2019-03-06 | A kind of mathematical model teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910169091.4A CN109712485A (en) | 2019-03-06 | 2019-03-06 | A kind of mathematical model teaching aid |
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| Publication Number | Publication Date |
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| CN109712485A true CN109712485A (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910169091.4A Pending CN109712485A (en) | 2019-03-06 | 2019-03-06 | A kind of mathematical model teaching aid |
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| CN (1) | CN109712485A (en) |
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Application publication date: 20190503 |