CN204904661U - High school's experiments of machanics device - Google Patents
High school's experiments of machanics device Download PDFInfo
- Publication number
- CN204904661U CN204904661U CN201520672556.5U CN201520672556U CN204904661U CN 204904661 U CN204904661 U CN 204904661U CN 201520672556 U CN201520672556 U CN 201520672556U CN 204904661 U CN204904661 U CN 204904661U
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- arranges
- chute
- slide block
- support plate
- pad
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Abstract
The utility model discloses a high school's experiments of machanics device, the camera includes a supporting plate, the backup pad level sets up first spout, second spout, set up first slider in the first spout, set up first bracing piece on the first slider, first bracing piece is articulated with first slider, set up the second slider on the first bracing piece, set up first link on the second slider, set up the dynamometer on the first link, the one end that first link was kept away from to the dynamometer sets up first fixed loop, be fixed with the protractor on the first fixed loop, the sub -unit connection of first fixed loop has two pull wires and a check and correction line, set up the weight on the pull wire, set up two dial discs in the second spout. The utility model has the advantages of it is small, conveniently carry, it is easy and simple to handle, can operate the verification experiment of the parallelogram rule of hooke law and power respectively, help student exact is understood and is mastered the what studied knowledge point.
Description
Technical field
The utility model relates generally to Physical Experiment apparatus field, specifically a kind of senior middle school dynamics experimental device.
Background technology
The parallelogram law learning Hooke's law and power is needed in present senior middle school physics curriculum, the knowledge understanding that student touches this respect for the first time gets up more difficult, and laboratory lacks corresponding experiment equipment, conveniently student understands, teacher understands the demonstration instrument oneself making a suggestion and carries out explanation demonstration to student, but, larger error can be there is in the instrument of easy making, and student lacks the chance taking action on one's own to operate, and is unfavorable for the knowledge point of the understanding that student is correct and grasp.
Utility model content
For solving deficiency of the prior art, the utility model provides a kind of senior middle school dynamics experimental device, volume is little, be convenient for carrying, easy and simple to handle, the confirmatory experiment of the parallelogram law of Hooke's law and power can be operated respectively, and applicable teacher does lecture experiment use, also be applicable to student to do it yourself to operate, the knowledge point of the understanding that help student is correct and grasp.
The utility model for achieving the above object, is achieved through the following technical solutions:
A kind of senior middle school dynamics experimental device, comprise back up pad, described back up pad is horizontally disposed with the first chute, second chute, described first chute is positioned at the top of back up pad, in described first chute, the first slide block is set, described first slide block arranges the first support bar, described first support bar and the first slide block hinged, described first support bar arranges the second slide block, described second slide block arranges the first link, described first link arranges dynamometer, described dynamometer arranges the first set collar away from one end of the first link, described first set collar is fixed with protractor, the bottom of described first set collar is connected with two draught lines and a check line, described draught line arranges counterweight, described second chute is positioned at the below of protractor, two dial discs are set in described second chute, described dial disc is connected with the second slide.
Described draught line is arranged several the second links.
Described back up pad comprises left support plate and right support plate, described left support plate and right support plate hinged.
The top of described left support plate arranges the first groove matched with protractor, and the bottom of described left support plate arranges the second groove matched with dynamometer.
The length of described first support bar is less than the width of left support plate.
The left and right sides of described back up pad all arranges the 3rd chute, in described 3rd chute, the 3rd slide block is set, described 3rd slide block to stretch out outside the 3rd chute and arranges two the second support bars, described second support bar and the 3rd slide block hinged, described 3rd slide block arranges fastening bolt away from one end of the 3rd chute.
Described check line arranges the second set collar away from one end of the first set collar, and described second set collar arranges checking line, described dial disc is arranged the solidus seat matched with checking line.
Contrast and prior art, the utility model beneficial effect is:
1, the utility model dynamometer and protractor with the use of, the parallelogram law can carrying out Hooke's law and power respectively carries out experimental implementation, helps the knowledge point of understanding that student is correct and grasp.
2, the utility model draught line is arranged several second links, can change according to the angle of draught line, change the hanging position of counterweight, reduce experimental error.
3, the utility model left support plate and right support plate articulated mounting are rotationally connected, and can reduce taking up room of back up pad and conveniently store and carry.
4, the utility model left support plate is arranged the groove matched with protractor and dynamometer, conveniently left support plate and right support plate can be folded, prevent from folding process, damage dynamometer or protractor, increase the service time of this device.
5, the length of the utility model first support bar is less than the width of left support plate, avoids the first support bar to hinder left support plate, right support plate to fold.
6, the left and right sides of the utility model back up pad arranges the second support bar, makes back up pad can standing upright, conveniently operates the confirmatory experiment of Hooke's law.
Accompanying drawing explanation
Accompanying drawing 1 is the front view of embodiment 1;
Accompanying drawing 2 is left views of embodiment 1;
Accompanying drawing 3 is I place enlarged drawings of accompanying drawing 1.
Label shown in accompanying drawing: 1, the first chute; 11, the first slide block; 12, the first support bar; 13, the second slide block; 14, the first link; 2, the second chute; 3, dynamometer; 4, protractor; 41, the first set collar; 42, draught line; 43, check line; 44, dial disc; 45, the second link; 46, the second set collar; 47, line is verified; 48, solidus seat; 5, counterweight; 61, left support plate; 62, right support plate; 63, the first groove; 64, the second groove; 7, the 3rd chute; 71, the 3rd slide block; 72, the second support bar; 73, fastening bolt.
Embodiment
By reference to the accompanying drawings and specific embodiment, the utility model is described in further detail.Should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model instruction.
A kind of senior middle school dynamics experimental device, comprise back up pad, described back up pad is horizontally disposed with the first chute 1, second chute 2, described first chute 1 is positioned at the top of back up pad, arranges the first slide block 11 in described first chute 1, and described first slide block 11 arranges the first support bar 12, described first support bar 12 and the first slide block 11 hinged, after experiment terminates, the first support bar 12 is rotated to level, reduce taking up room of support bar, prevent the first support bar 12 couples of students from causing unexpected injury simultaneously.Described first support bar 12 is arranged the second slide block 13, second slide block 13 and the first support bar 12 is slidably connected, described second slide block 13 arranges the first link 14, and described first link 14 arranges dynamometer 3, and dynamometer 3 can be weight beam; Described dynamometer 3 arranges the first set collar 41 away from one end of the first link 14, described first set collar 41 is fixed with protractor 4, the bottom of described first week fixed ring 41 is connected with two draught lines 42 and a check line 43, described draught line 42 arranges counterweight 5, described second chute 2 is positioned at the below of protractor 4, arrange two dial discs 44 in described second chute 2, described dial disc 44 and the second chute 2 are slidably connected.When needing the confirmatory experiment doing Hooke's law, second slide block 13 slides to the direction away from back up pad and protractor 4 by the counterweight 5 that dynamometer 3 hangs constant weight, back up pad or protractor 4 is avoided to touch counterweight 5, affect the accuracy of experimental result, then read the deformation quantity of spring by dynamometer 3, can Hooke's law be verified.When needing the confirmatory experiment of parallelogram law of power of doing, dynamometer 3 is connected with the first set collar 41, the position of dial disc 44 is regulated to make the angle of two traction rope compositions setting, then the lower suspension counterweight 5 of traction rope, read with joint efforts and the size of component by the numerical value of dynamometer 3 and counterweight 5, according to make a concerted effort and discrete between angular relationship, can parallelogram law be verified, also can study the make a concerted effort size of two equal-sized concurrent force when different angle simultaneously.
In order to the angle according to draught line 42 changes, change the hanging position of counterweight 5, reduce experimental error, described draught line 42 is arranged several the second link 45, second links 45 and evenly arrange along draught line 42.
Conveniently store to reduce taking up room of back up pad and carry, described back up pad comprises left support plate 61 and right support plate 62, described left support plate 61 and right support plate 62 hinged, together with back up pad 61 can being amounted to right support plate, reduce taking up room of back up pad conveniently store and carry.Conveniently operate, the length of the second chute 2 can be set to the width equaling right support plate 62, both facilitated left support plate 61 and right support plate 62 to amount to, dial disc 44 also can be facilitated to slide in the second chute 2.
In order to prevent damaging dynamometer 3 or protractor 4 in folding process, increase the service time of this device, the top of described left support plate 61 arranges the first groove 63 matched with protractor 4, the bottom of described left support plate 61 arranges the second groove 64 matched with dynamometer 3, respectively dynamometer 3, protractor 4 can be put into the first groove 63, second groove 64 after experiment terminates, both be convenient for carrying, dynamometer 3, protractor 4 can be prevented again by accidental damage.
In order to avoid the first support bar 12 hinder left support plate 61, right support plate 62 folds, the length of described first support bar 12 is less than the width of left support plate 61.
Conveniently the confirmatory experiment of Hooke's law is operated, the left and right sides of described back up pad all arranges the 3rd chute 7, in described 3rd chute 7, the 3rd slide block 71 is set, described 3rd slide block 71 to stretch out outside the 3rd chute 7 and arranges two the second support bars 72, described second support bar 72 and the 3rd slide block 71 hinged, described 3rd slide block 71 arranges fastening bolt 73 away from one end of the 3rd chute 7, unscrew the position that fastening bolt 73 can regulate the 3rd slide block 71, screw fastening bolt 73 after adjusting position the 3rd slide block 71 is fixed, and the second support bar 72 cannot be rotated freely, make back up pad can standing upright.
In order to increase the accuracy of experimental result, described check line 43 arranges the second set collar 46 away from one end of the first set collar 41, described second set collar 46 is fixedly connected with back up pad, described second set collar 46 is arranged checking line 47, described dial disc 44 arranges solidus seat 48, after adjusting the angle of draught line 42, the checking line 47 on the second set collar 46 is fixed on solidus seat 48, makes checking line 47 and draught line 42 form parallelogram.
Embodiment 1:
A kind of senior middle school dynamics experimental device, comprise back up pad, described back up pad comprises left support plate 61 and right support plate 62, described left support plate 61 and right support plate 62 hinged.Described back up pad is horizontally disposed with the first chute 1, second chute 2, described first chute 1 is positioned at the top of back up pad, in described first chute 1, the first slide block 11 is set, described first slide block 11 arranges the first support bar 12, the length of described first support bar 12 is less than the width of left support plate 61, described first support bar 12 and the first slide block 11 hinged, after experiment terminates, the first support bar 12 is screwed in the first chute 1, reduce taking up room of support bar, prevent the first support bar 12 couples of students from causing unexpected injury simultaneously.Described first support bar 12 arranges the second slide block 13, described second slide block 13 arranges the first link 14, described first link 14 arranges dynamometer 3, and dynamometer 3 can be weight beam; Described dynamometer 3 arranges the first set collar 41 away from one end of the first link 14, described first set collar 41 is fixed with protractor 4, the top of described left support plate 61 arranges the first groove 63 matched with protractor 4, and the bottom of described left support plate 61 arranges the second groove 64 matched with dynamometer 3.The bottom of described first set collar 41 is connected with two draught lines 42 and a check line 43, described draught line 42 is arranged several second links 45 and counterweight 5, described second chute 2 is positioned at the below of protractor 4, arrange two dial discs 44 in described second chute 2, described dial disc 44 and the second chute 2 are slidably connected.The length of the second chute 2 equals the width of right support plate 62, has both facilitated left support plate 61 and right support plate 62 to amount to, and dial disc 44 also can be facilitated to slide in the second chute 2.Described check line 43 arranges the second set collar 46 away from one end of the first set collar 41, described second set collar 46 is arranged checking line 47, described dial disc 44 is arranged the solidus seat 48 matched with checking line 47.The left and right sides of described back up pad all arranges the 3rd chute 7, in described 3rd chute 7, the 3rd slide block 71 is set, described 3rd slide block 71 to stretch out outside the 3rd chute 7 and arranges two the second support bars 72, described second support bar 72 and the 3rd slide block 71 hinged, described 3rd slide block 71 arranges fastening bolt 73 away from one end of the 3rd chute 7.The beneficial effect of the present embodiment is: draught line 42 is arranged several the second links 45, can change according to the angle of draught line 42, changes the hanging position of counterweight 5, reduces experimental error; Left support plate 61 and right support plate 62 articulated mounting are rotationally connected, and can reduce taking up room of back up pad and conveniently store and carry; The left and right sides of back up pad arranges the second support bar 72, makes back up pad can standing upright, conveniently operates the confirmatory experiment of Hooke's law.
Claims (7)
1. senior middle school's dynamics experimental device, comprise back up pad, it is characterized in that: described back up pad is horizontally disposed with the first chute (1), second chute (2), described first chute (1) is positioned at the top of back up pad, in described first chute (1), the first slide block (11) is set, described first slide block (11) arranges the first support bar (12), described first support bar (12) is hinged with the first slide block (11), described first support bar (12) arranges the second slide block (13), described second slide block (13) arranges the first link (14), described first link (14) arranges dynamometer (3), described dynamometer (3) arranges the first set collar (41) away from one end of the first link (14), described first set collar (41) is fixed with protractor (4), the bottom of described first set collar (41) is connected with two draught lines (42) and a check line (43), described draught line (42) is arranged counterweight (5), described second chute (2) is positioned at the below of protractor (4), two dial discs (44) are set in described second chute (2), described dial disc (44) and the second chute (2) are slidably connected.
2. a kind of senior middle school according to claim 1 dynamics experimental device, is characterized in that: described draught line (42) is arranged several the second links (45).
3. a kind of senior middle school according to claim 1 dynamics experimental device, it is characterized in that: described back up pad comprises left support plate (61) and right support plate (62), described left support plate (61) and right support plate (62) hinged.
4. a kind of senior middle school according to claim 3 dynamics experimental device, it is characterized in that: the top of described left support plate (61) arranges the first groove (63) matched with protractor (4), the bottom of described left support plate (61) arranges the second groove (64) matched with dynamometer (3).
5. a kind of senior middle school according to claim 3 dynamics experimental device, is characterized in that: the length of described first support bar (12) is less than the width of left support plate (61).
6. a kind of senior middle school according to claim 1 dynamics experimental device, it is characterized in that: the left and right sides of described back up pad all arranges the 3rd chute (7), in described 3rd chute (7), the 3rd slide block (71) is set, described 3rd slide block (71) stretches out the 3rd chute (7) outside and arranges two the second support bars (72), described second support bar (72) is hinged with the 3rd slide block (71), and described 3rd slide block (71) arranges fastening bolt (73) away from one end of the 3rd chute (7).
7. a kind of senior middle school according to claim 1 dynamics experimental device, it is characterized in that: described check line (43) arranges the second set collar (46) away from one end of the first set collar (41), described second set collar (46) is arranged checking line (47), described dial disc (44) is upper arranges the solidus seat (48) matched with checking line (47).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520672556.5U CN204904661U (en) | 2015-09-01 | 2015-09-01 | High school's experiments of machanics device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520672556.5U CN204904661U (en) | 2015-09-01 | 2015-09-01 | High school's experiments of machanics device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204904661U true CN204904661U (en) | 2015-12-23 |
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ID=54926822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520672556.5U Expired - Fee Related CN204904661U (en) | 2015-09-01 | 2015-09-01 | High school's experiments of machanics device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204904661U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106340226A (en) * | 2016-10-28 | 2017-01-18 | 西北工业大学 | Hooke's law demonstrator |
| CN109365025A (en) * | 2018-12-06 | 2019-02-22 | 梅书豪 | A kind of physical and mechanical experiment station and its working method |
| CN109712488A (en) * | 2019-01-15 | 2019-05-03 | 朱新元 | A kind of portable physical dynamics experimental device |
-
2015
- 2015-09-01 CN CN201520672556.5U patent/CN204904661U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106340226A (en) * | 2016-10-28 | 2017-01-18 | 西北工业大学 | Hooke's law demonstrator |
| CN109365025A (en) * | 2018-12-06 | 2019-02-22 | 梅书豪 | A kind of physical and mechanical experiment station and its working method |
| CN109365025B (en) * | 2018-12-06 | 2020-11-10 | 梅书豪 | Physical mechanics experiment operating platform and working mode thereof |
| CN109712488A (en) * | 2019-01-15 | 2019-05-03 | 朱新元 | A kind of portable physical dynamics experimental device |
| CN109712488B (en) * | 2019-01-15 | 2021-07-02 | 朱新元 | Portable physical mechanics experimental apparatus |
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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: 20151223 Termination date: 20160901 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |