CN204680272U - College mechanics demonstration teaching aid - Google Patents
College mechanics demonstration teaching aid Download PDFInfo
- Publication number
- CN204680272U CN204680272U CN201520308657.4U CN201520308657U CN204680272U CN 204680272 U CN204680272 U CN 204680272U CN 201520308657 U CN201520308657 U CN 201520308657U CN 204680272 U CN204680272 U CN 204680272U
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- China
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- connects
- block
- web joint
- socket
- support frame
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- Expired - Fee Related
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Abstract
College mechanics demonstration teaching aid.Its composition of this product comprises: combined support frame, the top of combined support frame connects front inserted block and rear inserted block, left front socket is had before combined support frame, right front socket, left front socket connects left front web joint, right front socket connects right front web joint, left back socket is had after combined support frame, right back socket, left back socket connects left back web joint, right back socket connects right back web joint, left front web joint connects a rotating shaft, a rotating shaft connects left leather belt wheel, right front web joint connects No. two rotating shafts, No. two rotating shafts connect right leather belt wheel, front inserted block is installed with front pulling force rope, left back web joint connects No. three rotating shafts, No. three rotating shafts connect left gear, right back web joint connects No. four rotating shafts, No. four rotating shafts connect right gear, rear inserted block is installed with back pull rope.The utility model is used for college mechanics teaching demonstration.
Description
Technical field:
The utility model relates to a kind of college mechanics demonstration teaching aid.
Background technology:
Mechanics is directly relevant with many technology-oriented disciplines, it to dabble face relatively wide, also more abstract, very that forms the three-dimensional concept in space in human brain, mechanics goes to explain very hard with more abstract language, teacher is not easy to explain, and student is also difficult to understand and grasp.
Summary of the invention:
The purpose of this utility model is to provide a kind of displaying can being carried out entity by concrete demonstration teaching aid, is understood and contrast the college mechanics demonstration teaching aid grasped by the process of motion.
Above-mentioned object is realized by following technical scheme:
A kind of college mechanics demonstration teaching aid, its composition comprises: combined support frame, the top of described combined support frame connects front inserted block and rear inserted block, left front socket is had before described combined support frame, described left front socket connects left front web joint, right front socket is had before described combined support frame, described right front socket connects right front web joint, left back socket is had after described combined support frame, described left back socket connects left back web joint, right back socket is had after described combined support frame, described right back socket connects right back web joint, described left front web joint connects a rotating shaft, a described rotating shaft connects left leather belt wheel, described right front web joint connects No. two rotating shafts, No. two described rotating shafts connect right leather belt wheel, described front inserted block is installed with front pulling force rope, the side of described front pulling force rope is walked around described left leather belt wheel and is connected front oblique force block, the opposite side of described front pulling force rope is walked around described right leather belt wheel and is connected front gravity block, described left back web joint connects No. three rotating shafts, No. three described rotating shafts connect left gear, described right back web joint connects No. four rotating shafts, No. four described rotating shafts connect right gear, described rear inserted block is installed with back pull rope, the side of described back pull rope is walked around described left gear and is connected rear oblique force block, and the opposite side of described front pulling force rope is walked around described right gear and connected rear gravity block.
Described college mechanics demonstration teaching aid, described front inserted block has through hole, described front pulling force rope is through described through hole, described rear inserted block has through hole, described back pull rope is through described through hole, and described left leather belt wheel is taken turns at grade with described right leather belt, and described left gear and described right gear are at grade, the tooth of described left gear and described right gear all has groove, and described back pull wire clips enters described groove.
Described college mechanics demonstration teaching aid, described combined support frame topmast plate, the left side of described topmast plate connects oblique support plate, the Right vertical of described topmast plate connects right supported plate, described oblique support plate and described right supported plate connecting bottom board simultaneously, described topmast plate connects described front inserted block and described rear inserted block simultaneously, described front oblique force block all contacts described oblique support plate with described rear oblique force block, described front oblique force block is all connected drag hook with described rear oblique force block, described front gravity block all contacts described right supported plate with described rear gravity block, described front gravity block is all connected described drag hook with described rear gravity block, described front oblique force block, described rear oblique force block, described front gravity block, being equal in weight of described rear gravity block.
Beneficial effect:
1. the front inserted block that the utility model adopts can be good at fixing front pulling force rope, front pulling force rope and left leather belt are taken turns and right leather belt take turns with the use of, front pulling force rope is not askew all the time not to be turned round, and the effect of demonstration is accurately, obviously, be convenient to student understand and grasp, facilitate teacher explains.
2. the rear inserted block that the utility model adopts can be good at fixing back pull rope, enable back pull rope and left gear and right gear with the use of, back pull rope is in equilibrium state all the time, and the effect of demonstration is accurately, obviously, be convenient to student understand and grasp, facilitate teacher explains.
3. the utility model adopt front oblique force block, rear oblique force block, front gravity block, being equal in weight of rear gravity block, can be clear and definite be presented at identical gravity when, the distance of being moved by gear and belt pulley is different, makes student be easy to grasp and understand.
4. the oblique support plate that adopts of the utility model and right supported plate also can significantly show, movement locus different of inclined-plane and oblique force block before facing directly, rear oblique force block and front gravity block, rear gravity block.
Accompanying drawing illustrates:
Accompanying drawing 1 is the structural representation of this product.
Accompanying drawing 2 is rear views of accompanying drawing 1.
Embodiment:
Embodiment 1:
A kind of college mechanics demonstration teaching aid, its composition comprises: combined support frame, the top of described combined support frame connects front inserted block 1 and rear inserted block 2, left front socket 3 is had before described combined support frame, described left front socket connects left front web joint 4, right front socket 5 is had before described combined support frame, described right front socket connects right front web joint 6, left back socket 7 is had after described combined support frame, described left back socket connects left back web joint 8, right back socket 9 is had after described combined support frame, described right back socket connects right back web joint 10, described left front web joint connects a rotating shaft 11, a described rotating shaft connects left leather belt wheel 12, described right front web joint connects No. two rotating shafts 13, No. two described rotating shafts connect right leather belt wheel 14, described front inserted block is installed with front pulling force rope 15, the side of described front pulling force rope is walked around described left leather belt wheel and is connected front oblique force block 16, the opposite side of described front pulling force rope is walked around described right leather belt wheel and is connected front gravity block 17, described left back web joint connects No. three rotating shafts 18, No. three described rotating shafts connect left gear 19, described right back web joint connects No. four rotating shafts 20, No. four described rotating shafts connect right gear 21, described rear inserted block is installed with back pull rope 22, the side of described back pull rope is walked around described left gear and is connected rear oblique force block 23, and the opposite side of described front pulling force rope is walked around described right gear and connected rear gravity block 24.
Embodiment 2:
College mechanics demonstration teaching aid described in embodiment 1, described front inserted block has through hole 25, described front pulling force rope is through described through hole, described rear inserted block has through hole, described back pull rope is through described through hole, and described left leather belt wheel is taken turns at grade with described right leather belt, and described left gear and described right gear are at grade, the tooth of described left gear and described right gear all has groove 26, and described back pull wire clips enters described groove.
Embodiment 3:
College mechanics demonstration teaching aid described in embodiment 2, described combined support frame topmast plate 27, the left side of described topmast plate connects oblique support plate 28, the Right vertical of described topmast plate connects right supported plate 29, described oblique support plate and described right supported plate connecting bottom board 30 simultaneously, described topmast plate connects described front inserted block and described rear inserted block simultaneously, described front oblique force block all contacts described oblique support plate with described rear oblique force block, described front oblique force block is all connected drag hook 31 with described rear oblique force block, described front gravity block all contacts described right supported plate with described rear gravity block, described front gravity block is all connected described drag hook with described rear gravity block, described front oblique force block, described rear oblique force block, described front gravity block, being equal in weight of described rear gravity block.
Claims (3)
1. a college mechanics demonstration teaching aid, its composition comprises: combined support frame, it is characterized in that: the top of described combined support frame connects front inserted block and rear inserted block, left front socket is had before described combined support frame, described left front socket connects left front web joint, right front socket is had before described combined support frame, described right front socket connects right front web joint, left back socket is had after described combined support frame, described left back socket connects left back web joint, right back socket is had after described combined support frame, described right back socket connects right back web joint, described left front web joint connects a rotating shaft, a described rotating shaft connects left leather belt wheel, described right front web joint connects No. two rotating shafts, No. two described rotating shafts connect right leather belt wheel, described front inserted block is installed with front pulling force rope, the side of described front pulling force rope is walked around described left leather belt wheel and is connected front oblique force block, the opposite side of described front pulling force rope is walked around described right leather belt wheel and is connected front gravity block, described left back web joint connects No. three rotating shafts, No. three described rotating shafts connect left gear, described right back web joint connects No. four rotating shafts, No. four described rotating shafts connect right gear, described rear inserted block is installed with back pull rope, the side of described back pull rope is walked around described left gear and is connected rear oblique force block, and the opposite side of described front pulling force rope is walked around described right gear and connected rear gravity block.
2. college mechanics demonstration teaching aid according to claim 1, it is characterized in that: described front inserted block has through hole, described front pulling force rope is through described through hole, described rear inserted block has through hole, described back pull rope is through described through hole, described left leather belt wheel is taken turns at grade with described right leather belt, described left gear and described right gear are at grade, the tooth of described left gear and described right gear all has groove, and described back pull wire clips enters described groove.
3. college mechanics demonstration teaching aid according to claim 2, it is characterized in that: described combined support frame topmast plate, the left side of described topmast plate connects oblique support plate, the Right vertical of described topmast plate connects right supported plate, described oblique support plate and described right supported plate connecting bottom board simultaneously, described topmast plate connects described front inserted block and described rear inserted block simultaneously, described front oblique force block all contacts described oblique support plate with described rear oblique force block, described front oblique force block is all connected drag hook with described rear oblique force block, described front gravity block all contacts described right supported plate with described rear gravity block, described front gravity block is all connected described drag hook with described rear gravity block, described front oblique force block, described rear oblique force block, described front gravity block, being equal in weight of described rear gravity block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520308657.4U CN204680272U (en) | 2015-05-11 | 2015-05-11 | College mechanics demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520308657.4U CN204680272U (en) | 2015-05-11 | 2015-05-11 | College mechanics demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204680272U true CN204680272U (en) | 2015-09-30 |
Family
ID=54179947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520308657.4U Expired - Fee Related CN204680272U (en) | 2015-05-11 | 2015-05-11 | College mechanics demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204680272U (en) |
-
2015
- 2015-05-11 CN CN201520308657.4U patent/CN204680272U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20160511 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |