CN206601861U - A kind of engineering mechanics teaching demonstration device - Google Patents
A kind of engineering mechanics teaching demonstration device Download PDFInfo
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- CN206601861U CN206601861U CN201720060106.XU CN201720060106U CN206601861U CN 206601861 U CN206601861 U CN 206601861U CN 201720060106 U CN201720060106 U CN 201720060106U CN 206601861 U CN206601861 U CN 206601861U
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- collar
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a kind of engineering mechanics teaching demonstration device, including base and backboard, the bottom outer ring of the base is provided with multiple first support bars, the first support tube is socketed with first support bar, the top rear of base is provided with backboard, the top left side of base is provided with the second support tube, second support bar is socketed with second support tube, the left side of second support tube is provided with the first annulus, it is hinged on the right side hinged-support of second support tube and is provided with connecting rod, slip cap is provided with the collar in connecting rod, the upside of the collar is provided with the second annulus, steel wire rope is connected with second annulus, the other end of steel wire rope, which is bypassed, to be connected to after the fixed pulley of second support bar upper end on the first annulus, angle display is additionally provided with rear side of the collar.The utility model can effectively solve student and listen engineering mechanics theories class and see in figure and always feel very abstract, it is not easy to the problem of understanding, lift efficiency of teaching and learning efficiency.
Description
Technical field
The utility model is related to engineering mechanics technical field, specifically a kind of engineering mechanics teaching demonstration device.
Background technology
In explanation《Engineering mechanics》When theoretical, first have to make student go deep into intelligential fundamental property, be appreciated and understood by quiet
Mechanics axiom, and be appreciated that and grasp the force analysis of object, draw force diagram；Each part in this teaching process
Force analysis explanation, demonstration are highly important, and when explaining, demonstrating this course, teacher can only draw temporarily in the past, to student
The relation between the property of several power and the interaction of several power is said, student always feels very abstract listening to the teacher and see in figure, it is not easy to
It is active force and reaction force that what, which understands, and what is equilibrant force, and object is studied especially in concurrent force system on earth by which
The effect of several power, the directions of these power be again how, student is often smudgy.Therefore, for this present situation, in the urgent need to
A kind of engineering mechanics teaching demonstration device is developed, to overcome the shortcomings of in currently practical application, the need for meeting teaching.
Utility model content
The purpose of this utility model is to provide a kind of engineering mechanics teaching demonstration device, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the utility model provides following technical scheme：
A kind of engineering mechanics teaching demonstration device, including base and backboard, the crown center of the base are provided with first
Level meter, the bottom outer ring of the base, which is provided with multiple first support bars, first support bar, is socketed with the first support tube, described
First support bar controls to lift by the first knob with gear on the first support tube, is set in the first support bar
There is the first guide groove with gear, first knob with gear passes through the outer wall and the first guide groove gear of the first support tube
Connection, the bottom of first support tube is provided with support baseboard, and the top rear of the base, which is provided with the top of backboard, base, to be set
There is top plate, the downside of top plate is provided with illuminating lamp tube, and the top left side of the base, which is provided with the second support tube, the second support tube, to be covered
Second support bar is connected to, the second support bar controls to rise by the second knob with gear on the second support tube
Drop, the second support bar is provided with the second guide groove with gear, and second knob with gear passes through the second support tube
Outer wall be connected with the second guide groove gear, the upper end of the second support bar is provided with fixed pulley, a left side for second support tube
Side is provided with the first annulus, and the right side of the second support tube, which is provided with to be hinged on hinged-support, hinged-support, is provided with connecting rod, the right side of connecting rod
End upside is provided with the second level meter, and the right-hand member downside of connecting rod is provided with slip cap in hook, the connecting rod and is provided with the collar, the collar
Upside be provided with the second annulus, be connected with steel wire rope on the second annulus, steel wire rope is provided with pulling force display, steel wire rope it is another
End, which is bypassed, to be connected to after fixed pulley on the first annulus, is additionally provided with rear side of the collar under angle display, the collar
Side is additionally provided with the locking knob for the collar being adjusted locking.
It is used as further program of the utility model：The front side of the base is provided with multiple drawers.
It is used as further program of the utility model：It is additionally provided with the left of the base for being controlled to illuminating lamp tube
Controlling switch.
It is used as further program of the utility model：The connecting rod is provided with scale.
It is used as further program of the utility model：The ring heart of the center of circle of the angle display and the second annulus is overlapped.
Compared with prior art, the beneficial effects of the utility model are：First support bar can be stretched by the first knob
Length is adjusted, and can carry out level instruction to base by first level instrument, be easy to store phase by the drawer on base
Close educational aid；Writing and teaching can be carried out by backboard, and control illuminating lamp tube to light by controlling switch, when can be imparted knowledge to students
Floor light；The extended length of second support bar is can adjust by the second knob, collar lock can be scheduled by locking knob
Specified location in connecting rod, and level instruction is carried out to connecting rod by the second level meter, by hanging different on hook
The counterweight of weight, can demonstrate the experiment of engineering forces intermediate cam member stress, steel wire rope can be carried out by pulling force display
Stress size show, by angle display be used for detect steel wire rope be in different angle cases under stressing conditions, lifting
The efficiency of teaching of teacher and the learning efficiency of student.In summary, the utility model is rational in infrastructure simple, easy to use, function
It is complete, it can effectively solve student and listening engineering mechanics theories class and seeing in figure and always feel very abstract, it is not easy to which understanding is asked
Topic, lifting efficiency of teaching and learning efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the overlooking the structure diagram of connecting rod right-hand member in the utility model.
In figure：1- first support bars, the guide grooves of 2- first, the knobs of 3- first, the support tubes of 4- first, 5- drawers, 6- bases,
7- first level instrument, 8- support baseboards, 9- controlling switches, the support tubes of 10- second, the knobs of 11- second, the annulus of 12- first, 13-
Second guide groove, 14- second support bars, 15- fixed pulleys, 16- top plates, 17- hinged-supports, 18- steel wire ropes, 19- pulling force displays,
20- illuminating lamp tubes, 21- backboards, 22- angle displays, the annulus of 23- second, the level meters of 24- second, 25- connecting rods, 26- is hung
Hook, 27- scales, the 28- collars, 29- locking knobs.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Refer in Fig. 1~2, the utility model embodiment, a kind of engineering mechanics teaching demonstration device, including base 6
With backboard 21, the front side of the base 6 is provided with multiple drawers 5, and drawer 5 can be used for placing some common tools, such as：Chest expander,
The test instruments such as pressure device, bevel protractor, the crown center of the base 6 is provided with first level instrument 7, and first level instrument 7 is used for pair
Base 6 carries out level instruction, and the bottom outer ring of the base 6, which is provided with multiple first support bars 1, first support bar 1, to be socketed with
First support tube 4, the first support bar 1 controls to rise by the first knob 3 with gear on the first support tube 4
Drop, the first support bar 1 is provided with the first guide groove 2 with gear, and first knob 3 with gear is supported through first
The outer wall of cylinder 4 is connected with the gear of the first guide groove 2, and the bottom of first support tube 4 is provided with support baseboard 8, by supporting bottom
Plate 8 can the overall stability of lifting device.
The top rear of the base 6 is provided with backboard 21, and writing and teaching, the top of base 6 are convenient for by backboard 21
Provided with top plate 16, the downside of top plate 16 is provided with illuminating lamp tube 20, and the left side of the base 6 is additionally provided with for entering to illuminating lamp tube 20
The controlling switch 9 of row control, controls illuminating lamp tube 20 to light, can carry out floor light by controlling switch 9.
The top left side of the base 6 is provided with the second support tube 10, the second support tube 10 and is socketed with second support bar 14,
The second support bar 14 controls to lift by the second knob 11 with gear on the second support tube 10, and described second
Support bar 14 is provided with the second guide groove 13 with gear, and second knob 11 with gear passes through the outer of the second support tube 10
Wall is connected with the gear of the second guide groove 13, and the upper end of the second support bar 14 is provided with fixed pulley 15, second support tube 10
Left side be provided with the first annulus 12, the right side of the second support tube 10, which is provided with to be hinged on hinged-support 17, hinged-support 17, is provided with connection
Bar 25, the connecting rod 25 is provided with the upside of scale 27, the right-hand member of connecting rod 25 and is provided with the second level meter 24, passes through the second level
Instrument 24 can be carried out on the downside of level detection, the right-hand member of connecting rod 25 provided with hook 26 to connecting rod 25, can be hung not on hook 26
With the counterweight progress mechanics demonstration of weight, slip cap is provided with the collar 28 in the connecting rod 25, and the upside of the collar 28 is provided with second
Steel wire rope 18 is connected with annulus 23, the second annulus 23, steel wire rope 18 is provided with pulling force display 19, the other end of steel wire rope 18
Bypass and be connected to after fixed pulley 15 on first annulus 12, connecting rod 25 can be supported by steel wire rope 18, it is aobvious by pulling force
Show that device 19 can carry out the stress size of steel wire rope 18 and show that the rear side of the collar 28 is additionally provided with angle display 22, and angle refers to
Show the as protractor of the prior art of device 22, and the ring heart of the center of circle of angle display 22 and the second annulus 23 is overlapped, and is passed through
Angle display 22 is easy to indicate the angle of inclination of steel wire rope 18, and the downside of the collar 28 is additionally provided with for the collar
28 are adjusted the locking knob 29 of locking, any position that the collar 28 can be fixed in connecting rod 25 by locking knob 29
Put, position instruction can be carried out by the scale 27 in connecting rod 25.
Occupation mode of the present utility model is：The extended length of first support bar 1 can be adjusted by the first knob 3
Section, level instruction can be carried out by first level instrument 7 to base 6, be easy to store related teaching work by the drawer 5 on base 6
Tool；Writing and teaching can be carried out by backboard 21, and control illuminating lamp tube 20 to light by controlling switch 9, when can be imparted knowledge to students
Floor light；The extended length of second support bar 14 is can adjust by the second knob 11, can be by the collar 28 by locking knob 29
The specified location in connecting rod 25 is locked in, and level instruction is carried out to connecting rod 25 by the second level meter 24, by hanging
The counterweight of different weight is hung on hook 26, the experiment of engineering forces intermediate cam member stress can be demonstrated and (work as second support bar
After 14 elongations, because the total length of steel wire rope 18 is constant, connecting rod 25 can be inclined upwardly, by changing the position of the collar 28, and
Under the cooperation of second level meter 24, connecting rod 25 can be readjusted for horizontality, you can carry out under same counterweight weight, steel wire
Rope 18 is in stress size demonstration during different angles), the stress size that can carry out steel wire rope 18 by pulling force display 19 shows
Show, be used to detect that steel wire rope 18 is in different angles (for the folder between steel wire rope 18 and connecting rod 25 by angle display 22
Angle size) in the case of stressing conditions, lifted teacher efficiency of teaching and student learning efficiency.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
The above is only preferred embodiment of the present utility model, it is noted that for those skilled in the art,
Without departing from the concept of the premise utility, several modifications and improvements can also be made, these should also be considered as this practicality
New protection domain, these effects and practical applicability for implementing all without influence the utility model.
Claims (5)
1. a kind of engineering mechanics teaching demonstration device, including base (6) and backboard (21), it is characterised in that the base (6)
Crown center be provided with first level instrument (7), the bottom outer ring of the base (6) is provided with multiple first support bars (1), first
The first support tube (4) is socketed with strut (1), the first support bar (1) passes through the band tooth on the first support tube (4)
The first knob (3) control lifting of wheel, the first support bar (1) is provided with the first guide groove (2) with gear, the band tooth
The outer wall of the first knob (3) of wheel through the first support tube (4) is connected with the first guide groove (2) gear, first support tube
(4) bottom is provided with support baseboard (8), and the top rear of the base (6) is provided with backboard (21), and the top of base (6) is provided with
Top plate (16), the downside of top plate (16) is provided with illuminating lamp tube (20), and the top left side of the base (6) is provided with the second support tube
(10) second support bar (14), is socketed with the second support tube (10), the second support bar (14) passes through installed in second
The control lifting of the second knob (11) with gear on cylinder (10) is supportted, the second support bar (14) is provided with second with gear
Guide groove (13), second knob (11) with gear passes through the outer wall and the second guide groove (13) tooth of the second support tube (10)
Wheel connection, the upper end of the second support bar (14) is provided with fixed pulley (15), and the left side of second support tube (10) is provided with the
One annulus (12), the right side of the second support tube (10), which is provided with to be hinged on hinged-support (17), hinged-support (17), is provided with connecting rod
(25), it is provided with the upside of the right-hand member of connecting rod (25) on the downside of the second level meter (24), the right-hand member of connecting rod (25) provided with hook (26),
Slip cap is provided with the collar (28) on the connecting rod (25), and the upside of the collar (28) is provided with the second annulus (23), the second annulus
(23) steel wire rope (18) is connected with, steel wire rope (18) is provided with pulling force display (19), and the other end of steel wire rope (18) is bypassed
It is connected to after fixed pulley (15) on the first annulus (12), angle display (22), institute is additionally provided with rear side of the collar (28)
State the locking knob (29) being additionally provided with the downside of the collar (28) for the collar (28) being adjusted locking.
2. engineering mechanics teaching demonstration device according to claim 1, it is characterised in that the front side of the base (6)
Provided with multiple drawers (5).
3. engineering mechanics teaching demonstration device according to claim 1, it is characterised in that the left side of the base (6)
It is additionally provided with the controlling switch (9) for being controlled to illuminating lamp tube (20).
4. engineering mechanics teaching demonstration device according to claim 1, it is characterised in that set on the connecting rod (25)
There is scale (27).
5. engineering mechanics teaching demonstration device according to claim 1, it is characterised in that the angle display (22)
The center of circle and the second annulus (23) ring heart overlap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720060106.XU CN206601861U (en) | 2017-01-18 | 2017-01-18 | A kind of engineering mechanics teaching demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720060106.XU CN206601861U (en) | 2017-01-18 | 2017-01-18 | A kind of engineering mechanics teaching demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206601861U true CN206601861U (en) | 2017-10-31 |
Family
ID=60149933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720060106.XU Expired - Fee Related CN206601861U (en) | 2017-01-18 | 2017-01-18 | A kind of engineering mechanics teaching demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206601861U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109727509A (en) * | 2019-02-01 | 2019-05-07 | 崔爱梅 | A kind of primary school math teaching displays |
| CN110264836A (en) * | 2019-06-20 | 2019-09-20 | 西京学院 | A kind of mechanics of materials distortional stress apparatus for demonstrating |
-
2017
- 2017-01-18 CN CN201720060106.XU patent/CN206601861U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109727509A (en) * | 2019-02-01 | 2019-05-07 | 崔爱梅 | A kind of primary school math teaching displays |
| CN110264836A (en) * | 2019-06-20 | 2019-09-20 | 西京学院 | A kind of mechanics of materials distortional stress apparatus for demonstrating |
| CN110264836B (en) * | 2019-06-20 | 2021-06-25 | 西京学院 | Material mechanics deformation stress presentation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190107 Address after: 223800 Shuangzhuang Auto Parts City A11-2, Suqian City, Jiangsu Province Patentee after: Jiangsu Junzhi Construction Co.,Ltd. Address before: 323600 No. 5, Yin Qiao hang, Xia Jia village, Chong tou Town, Yunhe County, Zhejiang Patentee before: Li Lifang |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |