CN206975886U - A kind of multi-functional statics demonstration teaching aid - Google Patents

A kind of multi-functional statics demonstration teaching aid Download PDF

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Publication number
CN206975886U
CN206975886U CN201720596120.1U CN201720596120U CN206975886U CN 206975886 U CN206975886 U CN 206975886U CN 201720596120 U CN201720596120 U CN 201720596120U CN 206975886 U CN206975886 U CN 206975886U
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China
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demo platform
statics
demonstrating
model
functional
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CN201720596120.1U
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Chinese (zh)
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赵钺
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Baoji University of Arts and Sciences
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Baoji University of Arts and Sciences
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Abstract

The utility model discloses a kind of multi-functional statics demonstration teaching aid, including demo platform mechanism, the first demonstrating model for demonstrating turning pair direction and the second demonstrating model for demonstrating constraint and arbitrary force system in space balance are detachably installed in demo platform mechanism, demo platform mechanism includes base, the demo platform being arranged on base and the camera being rotatably connected on base, first demonstrating model includes the installing plate being connected with demo platform, motor on a mounting board and the rotating disk on motor output shaft are installed, second demonstrating model includes rod member, one end of rod member is connected with fixed hinge bearing, the other end of rod member is connected with spherical hinge bearing.The utility model can be demonstrated the mechanics key element in statics using demonstrating model, can intuitively, clearly it show in statics on constraint, couple, the equilibrium problem of arbitrary force system in space, it is easy to operate, be advantageous to improve the spatial perception ability of learner.

Description

A kind of multi-functional statics demonstration teaching aid
Technical field
The utility model belongs to demonstration teaching aid technical field, more particularly, to a kind of multi-functional statics demonstration teaching aid.
Background technology
Statics is an important branch of rational mechanics, Balance when main research point is stress effect, in work Exist in journey technology and be widely applied, be the professional knowledge background of science and engineering subject.But almost it is not specially designed at present The teaching aid that statics teaching uses, existing teaching method is still based on conventional teaching or multimedia courseware.In existing teaching In mode, problems be present:1st, lack the ocular demonstration of all kinds of constraints, the characteristics of learner is constrained each typical case grasp compared with Difference, the action direction of restraining force is difficult to judge during force analysis.2nd, the ocular demonstration to couple is lacked, learner turns to couple The concept indigestion of dynamic effect, the directionality of couple, power to the square of point and power to the square of axle.3rd, the balance of arbitrary force system in space Problem requires higher space imagining ability, and only backup plate book or multimedia courseware is difficult to carry out expression and understanding spatially. 4th, the rod member internal force analysis of truss special topic part, either nodal method or method of section, lack necessary ocular demonstration, learn The understanding deficiency of person.5th, existing part physical and mathematics teaching aid at present, only to show the axioms such as the parallelogram law of power Based on, and teaching aid specification is smaller, view angle switch is difficult.Therefore, it should propose a kind of multi-functional statics demonstration teaching aid.
Utility model content
Technical problem to be solved in the utility model is to be directed to above-mentioned deficiency of the prior art, there is provided a kind of more work( Energy statics demonstration teaching aid, its simple in construction and install convenient, is used for by detachably being installed in the demo platform mechanism Demonstrate turning pair the first demonstrating model of direction and balance the second demonstrating model, and profit for demonstrating constraint and arbitrary force system in space The displaying to the first demonstrating model and the three-dimensional view angle of the second demonstrating model is realized with camera, can intuitively, clearly be shown It is easy to operate on constraint, couple, the equilibrium problem of arbitrary force system in space in statics, there is higher representativeness, be advantageous to Improve the spatial perception ability of learner.
In order to solve the above technical problems, the technical solution adopted in the utility model is:A kind of multi-functional statics demonstration religion Tool, it is characterised in that:Including demo platform mechanism, detachably it is provided with the demo platform mechanism for demonstrating turning pair First demonstrating model in direction and the second demonstrating model for demonstrating constraint and arbitrary force system in space balance, the demo platform Mechanism includes base, the demo platform being arranged on base and the camera being rotatably connected on base, the camera and is located at The top of demo platform, first demonstrating model include installing plate, the electricity of installation on a mounting board being connected with demo platform Machine and the rotating disk on motor output shaft, second demonstrating model include rod member, one end and the fixed hinge branch of rod member Seat connection, the other end of rod member are connected with spherical hinge bearing, and the fixed hinge bearing is arranged on demo platform, the ball pivot Chain bearing is arranged on oblique mechanism, and the oblique mechanism is arranged on demo platform.
A kind of above-mentioned multi-functional statics demonstration teaching aid, it is characterised in that:First demonstrating model and described second Multiple Sign Boards are provided with demonstrating model.
A kind of above-mentioned multi-functional statics demonstration teaching aid, it is characterised in that:Second demonstrating model also includes installation It is used to simulate the two vertical plates of metope and the thing block being arranged on rod member on demo platform, passes through flexible cable in the middle part of the rod member It is lifted on the side of two vertical plates.
A kind of above-mentioned multi-functional statics demonstration teaching aid, it is characterised in that:The oblique mechanism includes passing through jointed shaft Be hinged the first accessory plate and the second accessory plate, strut is installed on first accessory plate, installed on second accessory plate There is guide pin bushing, the strut is inserted into guide pin bushing, and the guide pin bushing and strut are bolted to connection in radial directions, and described Two accessory plates are arranged on demo platform.
A kind of above-mentioned multi-functional statics demonstration teaching aid, it is characterised in that:The fixed hinge bearing, the second accessory plate It is arranged on two vertical plates by straight pin on demo platform.
A kind of above-mentioned multi-functional statics demonstration teaching aid, it is characterised in that:Offered on the demo platform multiple flat The mounting groove and multiple mounting holes for straight pin inserting in a row laid that row is set.
A kind of above-mentioned multi-functional statics demonstration teaching aid, it is characterised in that:Installation axle is provided with the base, it is described The first portable plate and the second portable plate are set with installation axle, the first company is fixedly connected with the periphery of first portable plate Extension bar, the end of the head rod are connected with the first universal bar, and the camera is arranged on the first universal bar.
A kind of above-mentioned multi-functional statics demonstration teaching aid, it is characterised in that:On the periphery of second portable plate The second connecting rod is fixedly connected with, the end of second connecting rod is connected with the second universal bar, connected on second universal bar It is connected to LED.
The utility model has advantages below compared with prior art:
1st, the utility model is used to demonstrate turning pair direction the by detachably installing in the demo platform mechanism One demonstrating model, rotated using motor driven rotating disk, the couple of multiple different directions, rotating disk meeting can be produced on the periphery of rotating disk The torque of rotation is produced, is put down by detachably being installed in the demo platform mechanism for demonstrating constraint and arbitrary force system in space Weigh the second demonstrating model, using rod member, is separately mounted to the fixed hinge bearing and spherical hinge bearing at rod member both ends, and spherical hinge Bearing is arranged on oblique mechanism, and oblique mechanism and fixed hinge bearing are installed on demo platform using straight pin, The displaying to the first demonstrating model and the three-dimensional view angle of the second demonstrating model finally is realized using camera, can intuitively, clearly Displaying statics on constraint, couple, the equilibrium problem of arbitrary force system in space, it is easy to operate, there is higher representativeness, Be advantageous to improve the spatial perception ability of learner.
2nd, the utility model camera is connected by head rod and the first universal bar with the first portable plate, and camera is not Can only realize around the rotation of 360 ° of demo platform, and can realize it is multi-faceted move freely, realize real to demonstrating model The displaying of existing multi-faceted three-dimensional view angle.
3rd, it is flat to be arranged on demonstration by straight pin for the utility model fixed hinge bearing, the second accessory plate and two vertical plates On platform, detachable installation can be realized, fast assembling-disassembling can be realized within the limited time, saves the time, improves demonstration Effect.
4th, it is of the present utility model simple in construction, install convenient, have a wide range of application, there is dissemination.
In summary, the utility model is used to demonstrate turning pair by detachably installing in the demo platform mechanism The demonstrating model of direction first and for demonstrate constraint and arbitrary force system in space balance the second demonstrating model, and using camera realize Displaying to the first demonstrating model and the three-dimensional view angle of the second demonstrating model, can intuitively, clearly show in statics on Constraint, couple, the equilibrium problem of arbitrary force system in space, it is easy to operate, there is higher representativeness, be advantageous to improve learner's Spatial perception ability.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is the demonstrating model of the utility model first and the connection relationship diagram of demo platform mechanism.
Fig. 2 is the connection relationship diagram of the demonstrating model of the utility model second and demo platform.
Description of reference numerals:
1-demo platform;1-1-mounting groove;1-2-mounting hole;
2-1-base;2-2-installation axle;The portable plates of 2-3-first;
The portable plates of 2-4-second;3-camera;4-LED;
5-head rod;6-the first universal bar;7-the second connecting rod;
8-the second universal bar;9-electric wire;10-installing plate;
11-motor;11-1-motor output shaft;12-rotating disk;
13-bolt;14-fixed hinge bearing;15-spherical hinge bearing;
16-straight pin;17-two vertical plates;18-rod member;
19-flexible cable;20-thing block;The accessory plates of 21-1-first;
The accessory plates of 21-2-second;21-3-jointed shaft;21-4-guide pin bushing;
21-5-strut.
Embodiment
As depicted in figs. 1 and 2, the utility model includes demo platform mechanism, detachably pacifies in the demo platform mechanism Equipped with second for demonstrating first demonstrating model in turning pair direction and being balanced for demonstration constraint and arbitrary force system in space Demonstrating model, the demo platform mechanism include base 2-1, the demo platform 1 being arranged on base 2-1 and are rotatably connected on bottom Camera 3 on seat 2-1, the camera 3 are located at the top of demo platform 1, and first demonstrating model includes putting down with demonstrating Installing plate 10, the motor 11 on installing plate 10 and the rotating disk 12 on motor output shaft 11-1 that platform 1 connects, institute Stating the second demonstrating model includes rod member 18, and one end of rod member 18 is connected with fixed hinge bearing 14, the other end and ball of rod member 18 Rocker bar bearing 15 is connected, and the fixed hinge bearing 14 is arranged on demo platform 1, and the spherical hinge bearing 15 is arranged on inclined-plane In mechanism, the oblique mechanism is arranged on demo platform 1.
As shown in figure 1, installing first demonstrating model in the demo platform mechanism, rotating disk is driven using motor 11 12 are rotated, and the couple of multiple different directions can be produced on the periphery of rotating disk 12, and rotating disk 12 can produce the torque of rotation, using setting Put the camera 3 above demo platform 1 and realize displaying to the first demonstrating model three-dimensional view angle, be easy to learner to be regarded from three-dimensional Observation demonstration result on angle.
As shown in Fig. 2 installing second demonstrating model on the demo platform 1, one end of rod member 18 is passed through solid Rocker bar bearing 14 is determined on demo platform 1, and the other end of rod member 18 is arranged on the inclined-plane by spherical hinge bearing 15 In mechanism, and the oblique mechanism is arranged on demo platform 1, can intuitively, clearly be shown in statics on constraint, power The even, equilibrium problem of arbitrary force system in space, it is easy to operate, there is higher representativeness, be advantageous to improve the spatial impression of learner Know ability.
In the present embodiment, multiple Sign Boards are provided with first demonstrating model and second demonstrating model.
During actual use, the wide variety of the Sign Board, including the arrow logo board in the direction for marking power, mark The F shapes Sign Board of power, the M shape Sign Boards for marking torque, it can also include being used for X-axis Sign Board, the Y-axis Sign Board for representing axis With Z axis Sign Board, the Sign Board and the connected mode of the first demonstrating model or the second demonstrating model inhale iron absorption using magnetic force.
It is used to simulate the vertical flat of metope on demo platform 1 as shown in Fig. 2 second demonstrating model also includes being arranged on Plate 17 and the thing block 20 being arranged on rod member 18, the middle part of the rod member 18 is lifted on the side of two vertical plates 17 by flexible cable 19 On.
In the present embodiment, the quantity of the rod member 18 is one, or multiple.
In the present embodiment, the first accessory plate 21-1 and second that the oblique mechanism includes being hinged by jointed shaft 21-3 is auxiliary Help on plate 21-2, the first accessory plate 21-1 to be provided with strut 21-5, the second accessory plate 21-2 and guide pin bushing 21- is installed 4, the strut 21-5 is inserted into guide pin bushing 21-4, and the guide pin bushing 21-4 and strut 21-5 are bolted in radial directions Connection, the second accessory plate 21-2 are arranged on demo platform 1.
During actual use, multiple through holes for bolt installation are offered on strut 21-5 length direction, by changing Become installation site of the bolt on strut 21-5, so as to adjust between the first accessory plate 21-1 and the second accessory plate 21-2 Angle, you can the inclined degree on inclined-plane is adjusted, any balanced system of force in a variety of spaces can be applied to, it is applied widely.
In the present embodiment, the fixed hinge bearing 14, the second accessory plate 21-2 and two vertical plates 17 pass through straight pin 16 are arranged on demo platform 1, can realize detachable installation, fast assembling-disassembling can be realized within the limited time, is saved Time, improve demonstrating effect.
In the present embodiment, multiple mounting groove 1-1 be arrangeding in parallel and multiple in a row layings are offered on the demo platform 1 For straight pin 16 insert mounting hole 1-2.
During actual use, the mounting groove 1-1 is T-slot, and the nut portion of bolt 13 is installed in mounting groove 1-1, then The threaded shank of bolt 13 is passed through into installing plate 10, connects and fastens finally by nut.
The first activity is set with as shown in figure 1, being provided with the base 2-1 on installation axle 2-2, the installation axle 2-2 Plate 2-3 and the second portable plate 2-4, is fixedly connected with head rod 5 on the periphery of the first portable plate 2-3, and described The end of one connecting rod 5 is connected with the first universal bar 6, and the camera 3 is arranged on the first universal bar 6.
During actual use, by driving and taking the photograph around installation axle 2-2 the first portable plates of rotation 2-3, the first portable plate 2-3 Rotated as first 3 around demo platform 1, and the multi-faceted movement of camera 3 can be realized by rotating the first universal bar 6, first Connecting rod 5 is L-type bar, and the vertical bar of the L-type bar is scalable.
In the present embodiment, the second connecting rod 7 is fixedly connected with the periphery of the second portable plate 2-4, described The end of two connecting rods 7 is connected with the second universal bar 8, and LED 4 is connected with second universal bar 8, and the LED 4 passes through Electric wire 9 is connected with power supply.
During actual use, by being driven around installation axle 2-2 the second portable plates of rotation 2-4, the second portable plate 2-4 LED 4 rotates around demo platform 1, and realizes the multi-faceted movement of LED 4, the second connection by rotating the second universal bar 8 Bar 7 is L-type bar, and the vertical bar of the L-type bar is scalable, according to the light condition of demonstration scene, adjusts the position of LED 4, Ensure clear and bright demonstrating effect.
During actual use, when needing using the first demonstrating model demonstration turning pair direction, as shown in figure 1, utilizing spiral shell The installing plate 10 of first demonstrating model is fixedly mounted on demo platform 1 by bolt 13 and nut, starts motor 11, by motor 11 drive rotating disks 12 are rotated, and the side for multiple couples that rotating disk 12 is subject to is marked on the periphery of rotating disk 12 using the Sign Board To the direction of the, moment of couple and the moment of couple, mark is clear, is easy to learner to observe and understand.
When needing to balance using the second demonstrating model demonstration constraint and arbitrary force system in space, as shown in figure 1, first, will Fixed hinge bearing 14 is arranged on demo platform 1 by straight pin 16, and it is flat that the second accessory plate 21-2 is fixedly mounted on into demonstration On platform 1, and the first accessory plate 21-1 of support rod mechanism adjustment angle of inclination is utilized, simulates the inclined-plane of differing tilt angles, Spherical hinge bearing 15 is fixedly mounted on the first accessory plate 21-1 again;Secondly, by one end of rod member 18 and fixed hinge bearing 14 connections, the other end of rod member 18 is connected with spherical hinge bearing 15, and two vertical plates 17 are arranged on demo platform 1, perpendicular Flexible cable 19 is installed in the side of straight flat board 17, and the other end of flexible cable 19 is sleeved on to the middle part of rod member 18;Then, in rod member 18 Thing block 20 is fixedly mounted in upper surface;Finally, carry out the demonstration of the equilibrium problem of arbitrary force system in space, for example, rod member 18, flexible cable 19, The grade of thing block 20 stressing conditions are analyzed, while are marked using the Sign Board, are easy to learner intuitively to understand, using effect It is good.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is imposed any restrictions, every Any simple modification, change and the equivalent structure change made according to the utility model technical spirit to above example, still Belong in the protection domain of technical solutions of the utility model.

Claims (8)

  1. A kind of 1. multi-functional statics demonstration teaching aid, it is characterised in that:Including demo platform mechanism, in the demo platform mechanism The first demonstrating model for demonstrating turning pair direction is detachably installed and put down for demonstrating constraint and arbitrary force system in space Second demonstrating model of weighing apparatus, the demo platform mechanism include base (2-1), the demo platform (1) being arranged on base (2-1) With the camera (3) being rotatably connected on base (2-1), the camera (3) is located at the top of demo platform (1), and described One demonstrating model includes the installing plate (10), the motor (11) on installing plate (10) and peace being connected with demo platform (1) Rotating disk (12) on motor output shaft (11-1), second demonstrating model include rod member (18), one end of rod member (18) It is connected with fixed hinge bearing (14), the other end of rod member (18) is connected with spherical hinge bearing (15), the fixed hinge bearing (14) it is arranged on demo platform (1), the spherical hinge bearing (15) is arranged on oblique mechanism, and the oblique mechanism is arranged on On demo platform (1).
  2. 2. according to a kind of multi-functional statics demonstration teaching aid described in claim 1, it is characterised in that:First demonstrating model Multiple Sign Boards are provided with second demonstrating model.
  3. 3. according to a kind of multi-functional statics demonstration teaching aid described in claim 1 or 2, it is characterised in that:Second demonstration Model also includes being arranged on the thing for being used to simulate the two vertical plates (17) of metope and be arranged on rod member (18) on demo platform (1) Block (20), the middle part of the rod member (18) are lifted on the side of two vertical plates (17) by flexible cable (19).
  4. 4. according to a kind of multi-functional statics demonstration teaching aid described in claim 3, it is characterised in that:The oblique mechanism includes Pass through jointed shaft (21-3) be hinged the first accessory plate (21-1) and the second accessory plate (21-2), first accessory plate (21-1) On strut (21-5) is installed, guide pin bushing (21-4) is installed, strut (21-5) inserting on second accessory plate (21-2) In the guide pin bushing (21-4), the guide pin bushing (21-4) and strut (21-5) are bolted to connection in radial directions, and described the Two accessory plates (21-2) are arranged on demo platform (1).
  5. 5. according to a kind of multi-functional statics demonstration teaching aid described in claim 4, it is characterised in that:The fixed hinge bearing (14), the second accessory plate (21-2) and two vertical plates (17) are arranged on demo platform (1) by straight pin (16).
  6. 6. according to a kind of multi-functional statics demonstration teaching aid described in claim 5, it is characterised in that:The demo platform (1) On offer multiple mounting grooves (1-1) be arrangeding in parallel and it is multiple in a row lay for straight pin (16) inserting mounting hole (1- 2)。
  7. 7. according to a kind of multi-functional statics demonstration teaching aid described in claim 1, it is characterised in that:On the base (2-1) Installation axle (2-2) is provided with, the first portable plate (2-3) and the second portable plate (2-4), institute are set with the installation axle (2-2) State and head rod (5) is fixedly connected with the first portable plate (2-3) periphery, the end of the head rod (5) connects The first universal bar (6) is connected to, the camera (3) is arranged on the first universal bar (6).
  8. 8. according to a kind of multi-functional statics demonstration teaching aid described in claim 7, it is characterised in that:Second portable plate The second connecting rod (7) is fixedly connected with the periphery of (2-4), the end of second connecting rod (7) is connected with the 20000th To bar (8), LED (4) is connected with second universal bar (8).
CN201720596120.1U 2017-05-25 2017-05-25 A kind of multi-functional statics demonstration teaching aid Expired - Fee Related CN206975886U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720596120.1U CN206975886U (en) 2017-05-25 2017-05-25 A kind of multi-functional statics demonstration teaching aid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720596120.1U CN206975886U (en) 2017-05-25 2017-05-25 A kind of multi-functional statics demonstration teaching aid

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Publication Number Publication Date
CN206975886U true CN206975886U (en) 2018-02-06

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108648571A (en) * 2018-07-11 2018-10-12 绍兴文理学院 A kind of demonstrator of rational mechanics equilibrium of couples
CN115938207A (en) * 2022-12-09 2023-04-07 鞍钢股份有限公司 Simulation model of two-roller mill and working method and application method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108648571A (en) * 2018-07-11 2018-10-12 绍兴文理学院 A kind of demonstrator of rational mechanics equilibrium of couples
CN108648571B (en) * 2018-07-11 2019-09-24 绍兴文理学院 A kind of demonstrator of rational mechanics equilibrium of couples
CN115938207A (en) * 2022-12-09 2023-04-07 鞍钢股份有限公司 Simulation model of two-roller mill and working method and application method thereof

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Granted publication date: 20180206

Termination date: 20190525