CN106710381A - Pulley assembly for physics teaching, and use method of pulley assembly - Google Patents
Pulley assembly for physics teaching, and use method of pulley assembly Download PDFInfo
- Publication number
- CN106710381A CN106710381A CN201611152045.6A CN201611152045A CN106710381A CN 106710381 A CN106710381 A CN 106710381A CN 201611152045 A CN201611152045 A CN 201611152045A CN 106710381 A CN106710381 A CN 106710381A
- Authority
- CN
- China
- Prior art keywords
- casing
- pulley
- hook
- pulley assembly
- case lid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/10—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of solid bodies
Abstract
The invention relates to the technical field of teaching apparatuses, and discloses a pulley assembly for physics teaching, and a use method of the pulley assembly. The structure of the pulley assembly comprises a box body, a support frame, a fixed pulley provided with a hook, a movable pulley provided with a hook, a pull wire and a weight block, wherein a box cover is arranged on the box body, and the box cover is hinged with one side face of the box body; two scale lines are respectively arranged at the two sides of a longitudinal center line of the inner side of the box cover; a base is arranged in the box body, and a screw hole is formed in the base; the support frame comprises a lifting rod and a horizontal bracket; a thread matched with the screw hole is formed in the bottom of the lifting rod, and the lifting rod is installed in the base by matching the screw hole and the thread; a horizontal sliding groove is formed in the middle of the horizontal bracket, a plurality of fixture blocks are arranged in the horizontal sliding groove, and the plurality of fixture blocks are embedded in the horizontal sliding groove and can slide in the horizontal sliding groove; each fixture block is provided with a detachable hook; the fixed pulley provided with the hook or the movable pulley provided with the hook is hung on the detachable hook. The pulley assembly for the physics teaching is simple in structure and convenient to use, and can be conveniently used for carrying out demonstration on the pulley in the physics teaching.
Description
Technical field
The present invention relates to technical field of teaching instruments, specially a kind of physics teaching pulley assembly and its application method.
Background technology
Pulley is simple and mechanical one kind, and fixed pulley is not laborsaving and movable pulley is laborsaving, and in classroom teaching, student is often right
The power-saving function of fixed pulley and movable pulley produces doubt, and teacher needs to say student by some teaching aids during explanation
Solution, but existing teaching aid is often a simple pulley and dynamometer, it is necessary to academics and students coordinate to complete demonstration, than
It is relatively time consuming laborious, and viewing and emulating for student is influenceed, this causes that student does not allow the operation principle of readily understood pulley.
Therefore, a kind of simple structure, physics teaching pulley assembly that is easy to use, conveniently being demonstrated is researched and developed very must
Will.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency, there is provided a kind of simple structure, it is easy to use, conveniently demonstrated
Physics teaching pulley assembly and its application method.
To achieve the above object, the technical scheme of present invention offer is：
A kind of physics teaching pulley assembly, including casing, support frame, the fixed pulley with hook, moving with hook are provided
Pulley, draught line and weight block, the casing are provided with case lid, and the case lid is hinged at one of the casing, described
Case lid can be stood vertically on the casing, and the inner side longitudinal centre line both sides of the case lid are provided with graduation mark, the case
The chamber for placing the draught line and the weight block being provided with vivo, base being provided with the casing, the base is provided with spiral shell
Hole, support frame as described above includes elevating lever and horizontal stand, and the bottom of the elevating lever is provided with the screw thread coordinated with the screw, institute
State elevating lever to be arranged in the base by the cooperation of the screw, screw thread, level cunning is provided with the middle part of the horizontal stand
Groove, is provided with multiple fixture blocks in the horizontal concrete chute, the fixture block is embedded in the horizontal concrete chute and can be in the horizontal concrete chute
Interior slip, the fixture block is provided with detachable hanger, and the fixed pulley with hook or the movable pulley with hook hang over institute
State on detachable hanger.
Further, the elevating lever includes connection sleeve pipe and connecting rod, the bottom of the connection sleeve pipe be provided with it is described
The screw thread that the screw of base coordinates, the connection sleeve pipe is arranged in the base by the cooperation of the screw thread and screw, institute
State connecting rod to insert in the connection sleeve pipe and can be moved up and down along the connection sleeve pipe, the side wall of the connection sleeve pipe is provided with
, be fixed on the connecting rod in the connection sleeve pipe by the fastening bolt by multiple bolts hole and fastening bolt.By even
The cooperation of female connector pipe and connecting rod, it is possible to achieve the regulation to the height of horizontal stand.
Further, the case lid is with the other end being hinged with the casing being provided with movable lock, the casing with
The corresponding position of activity lock is provided with fixed lock, the case lid by the activity lock and the fixed lock and
The casing connection.
Further, the two ends of the horizontal concrete chute are provided with opening, are provided with the opening for closing the opening
Baffle plate, the baffle plate is buckled in the two ends of the horizontal stand.Being arranged on the baffle plate at horizontal concrete chute two ends can prevent from being buckled in
Fixture block in horizontal concrete chute is accidentally slipped out.
Further, the horizontal concrete chute includes level trough and the horizontal baffle positioned at the level trough upper and lower ends, institute
Stating fixture block includes clamping part, connecting portion and supporting part, and the supporting part is connected by the connecting portion with the clamping part, described
Clamping part is fastened in the horizontal concrete chute.
Further, the bottom of the supporting part is provided with the installation groove for installing the detachable hanger, it is described can
The top for dismantling hook is provided with and the raised line for installing groove fit.
Further, the casing is provided with support bar, and the case lid is provided with draw-in groove, the bottom of the support bar and institute
State casing to be articulated and connected, when the case lid is erected on the casing, the upper end of the support bar is stuck in the draw-in groove and makes
The case lid is erected on the casing.
Further, the inwall in the horizontal concrete chute is provided with anti-skid frosted layer.
It is a further object of the present invention to provide the application method of above-mentioned physics teaching pulley assembly, comprise the following steps：
Step 1)：Case lid is opened, it is erected on casing, support frame is arranged on base, by determining that band is linked up with
Pulley is hung on a detachable hanger for fixture block, and draught line is provided with along pulley groove on the band hook fixed pulley, described
Draught line one end connects dynamometer, and the other end connection weight block of the draught line is read by the weight block for converting different quality
Take the reading of dynamometer and record, then pull down the band hook fixed pulley；
Step 2)：One end of the draught line is fixed on a detachable hanger for the fixture block, by the traction
Line bypasses the movable pulley with hook, and the other end of the draught line is connected with the dynamometer, under the movable pulley with hook
Side's connection weight block, reads the reading of dynamometer and records by the weight block for converting different quality；
Step 3)：One fixed pulley with hook is hung on a detachable hanger for the fixture block, by institute
State the draught line in step 2 the other end bypass it is described with hook fixed pulley after be connected with the dynamometer, the band
The movable pulley lower section connection weight block of hook, the reading for reading dynamometer by the weight block for converting different quality is simultaneously
Record.
In step 1 or 2 or 3, the distance that the weight block is pulled can be determined by observing the graduation mark.
The beneficial effects of the invention are as follows：
1st, the physics teaching pulley assembly that the present invention is provided, can be by support frame, the fixed pulley with hook, with hook
Movable pulley, draught line and weight block are placed in casing, by case lid by bin enclosure, are easy to carry and are preserved, and are needing to drill
When showing, case lid is opened, support frame is arranged on the base in casing, band hook is laid by the fixture block on horizontal stand
Fixed pulley or movable pulley complete demonstration, it is easy to operate, it is easy to student understand.
2nd, the physics teaching pulley assembly that the present invention is provided, is provided with frosted structure in horizontal concrete chute, can strengthen card
Coefficient of friction of the block in horizontal concrete chute, avoids activity of the fixture block in horizontal concrete chute excessively flexibly, with to user's whereby
Practical operation brings inconvenience.
Brief description of the drawings
Fig. 1 is the schematic diagram of the embodiment of the present invention；
Fig. 2 is the schematic diagram of the bin enclosure state of the embodiment of the present invention；
Fig. 3 is the structural representation of the support frame of the embodiment of the present invention；
Fig. 4 is the horizontal concrete chute of the embodiment of the present invention and the structural representation of fixture block；
Fig. 5 is the horizontal concrete chute of the embodiment of the present invention and the sectional view of fixture block；
Fig. 6 is the horizontal concrete chute of the embodiment of the present invention and the sectional view of fixture block；
Fig. 7 is the horizontal concrete chute of the embodiment of the present invention and the sectional view of fixture block；
Fig. 8 is the horizontal concrete chute of the embodiment of the present invention and the sectional view of fixture block.
In figure：1 casing, 2- case lids, 3- graduation marks, 4- draught lines, 5- weight blocks, 6- bases, 7- support frames, 8- liftings
Bar, 9- horizontal stands, 10- horizontal concrete chutes, 11- fixture blocks, 12- detachable hangers, 13- connection sleeve pipes, 14- connecting rods, 15- fastenings
Bolt, 16- activity locks, 17- fixes lock, 18- baffle plates, 19- level troughs, 20- horizontal baffles, 21- clamping parts, 22- connections
Portion, 23- supporting parts, 24- installs groove, 25- raised lines, 26- support bars, 27- draw-in grooves, 28- dynamometers.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As depicted in figs. 1 and 2, a kind of physics teaching pulley assembly, including casing 1, casing 1 is provided with case lid 2, case lid
2 are hinged at one of casing 1, and case lid 2 can be stood vertically on casing 1, and the inner side longitudinal centre line both sides of case lid 2 are all provided with
It is equipped with the chamber for being provided with graduation mark 3, casing 1 and placing draught line 4 and weight block 5, casing 1 and is provided with base 6, is set on base 6
There is screw, support frame 7 includes elevating lever 8 and horizontal stand 9, and the bottom of elevating lever 8 is provided with the screw thread coordinated with screw, elevating lever
8 are arranged in base 6 by the cooperation of screw, screw thread, and the middle part of horizontal stand 9 is provided with horizontal concrete chute 10, in horizontal concrete chute
Inwall is provided with anti-skid frosted layer.It is provided with multiple fixture blocks 11 in horizontal concrete chute 10, fixture block 11 is embedded in horizontal concrete chute 10 and can be
Slide in horizontal concrete chute 10, fixture block 11 is provided with detachable hanger 12, the fixed pulley 13 or the movable pulley 14 with linking up with of band hook
Hang on detachable hanger 12.
Preferably, elevating lever 8 includes connection sleeve pipe 13 and connecting rod 14, and the bottom of connection sleeve pipe 13 is provided with and base 6
The screw thread that screw coordinates, connection sleeve pipe 13 is arranged in base 6 by screw thread with the cooperation of screw, the insertion adapter sleeve of connecting rod 14
Pipe 13 is interior and can be moved up and down along connection sleeve pipe 13, and the side wall of connection sleeve pipe 13 is provided with multiple bolts hole and fastening bolt 15,
Connecting rod 14 is fixed in connection sleeve pipe 13 by fastening bolt 15.By the cooperation of connection sleeve pipe 13 and connecting rod 14, can
To realize the regulation of the height to horizontal stand 9.
Preferably, case lid 2 is being provided with activity lock 16, casing 1 and activity lock 16 with the other end being hinged with casing 1
Corresponding position is provided with fixed lock 17, and case lid 2 is connected by activity lock 16 and fixed lock 17 with casing 1.
Preferably, the two ends of horizontal concrete chute 10 are provided with opening, and the baffle plate 18 for closing opening, baffle plate 18 are provided with opening
It is buckled in the two ends of horizontal stand 9.Baffle plate 18 can prevent the fixture block 11 being buckled in horizontal concrete chute 10 from accidentally slipping out.
Preferably, horizontal concrete chute 10 includes level trough 19 and the horizontal baffle 20 positioned at level trough upper and lower ends, fixture block 11
Including clamping part 21, connecting portion 22 and supporting part 23, supporting part 23 is connected by connecting portion 22 with clamping part 21, and clamping part 21 blocks
It is located in horizontal concrete chute 10.
Preferably, the bottom of supporting part 23 is provided with the installation groove 24 for installing detachable hanger 12, detachable hanger
12 top is provided with and installs the raised line 25 that groove 24 coordinates.
Preferably, casing 1 is provided with support bar 26, and case lid 2 is provided with draw-in groove 27, and bottom and the casing 1 of support bar 26 cut with scissors
Connect in succession, when case lid 2 is erected on casing 1, the upper end of support bar 26 is stuck in draw-in groove 27 and case lid 2 is erected on casing 1.
The application method of above-mentioned physics teaching pulley assembly, comprises the following steps：
Step 1)：Case lid 2 is opened, case lid 2 is supported and is erected on casing 1 with support bar 26, support frame 7 is installed
On base 6, by band link up with fixed pulley 13 hang on the detachable hanger 12 of fixture block 11, band hook fixed pulley 13 on along
Pulley groove is provided with draught line 4, the one end of draught line 4 connection dynamometer 28, the other end connection weight block 5 of draught line 4, by conversion
The weight block 5 of different quality reads the reading of dynamometer 28 and records, and then pulls down band hook fixed pulley 13；
Step 2)：One end of draught line 4 is fixed on a detachable hanger for fixture block 11 12, draught line 4 is bypassed
Movable pulley 14 with hook, the other end of draught line 4 is connected with dynamometer 28, the lower section of the movable pulley 14 connection weight block with hook
5, the reading of dynamometer 28 is read by the weight block 5 for converting different quality and is recorded；
Step 3)：One fixed pulley 13 with hook is hung on a detachable hanger for fixture block 11 12, by step 2
In draught line the other end bypass the fixed pulley 13 with hook after be connected with dynamometer 28, connect below the movable pulley 14 of band hook
Weight block 5 is connect, the reading of dynamometer is read by the weight block 5 for converting different quality and is recorded.
Further, in step 1 or 2 or 3, the distance that weight block 5 is pulled can be determined by observing graduation mark 3.
Above description is only the preferred embodiment and the explanation to institute's application technology principle of the application.People in the art
Member is it should be appreciated that involved invention scope in the application, however it is not limited to the technology of the particular combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where the inventive concept is not departed from, is carried out by above-mentioned technical characteristic or its equivalent feature
Other technical schemes for being combined and being formed.Such as features described above has similar work(with (but not limited to) disclosed herein
The technical scheme that the technical characteristic of energy is replaced mutually and formed.
Claims (10)
1. a kind of physics teaching pulley assembly, it is characterised in that including casing, support frame, the fixed pulley with hook, band hook
Movable pulley, draught line and weight block, the casing is provided with case lid, and the case lid is hinged at one of the casing,
The case lid can be stood vertically on the casing, and the inner side longitudinal centre line both sides of the case lid are provided with graduation mark, institute
The chamber for being provided with casing and placing the draught line and the weight block is stated, base is provided with the casing, set on the base
There is screw, support frame as described above includes elevating lever and horizontal stand, and the bottom of the elevating lever is provided with the spiral shell coordinated with the screw
Line, the elevating lever is arranged in the base by the cooperation of the screw, screw thread, and water is provided with the middle part of the horizontal stand
Smooth groove, is provided with multiple fixture blocks in the horizontal concrete chute, the fixture block is embedded in the horizontal concrete chute and can be in the level
Slided in chute, the fixture block is provided with detachable hanger, the fixed pulley with hook or the movable pulley with hook are hung
On the detachable hanger.
2. a kind of physics teaching pulley assembly according to claim 1, it is characterised in that the elevating lever includes connection
Sleeve pipe and connecting rod, the bottom of the connection sleeve pipe are provided with the screw thread coordinated with the screw of the base, and the connection sleeve pipe is led to
The cooperation for crossing the screw thread and screw is arranged in the base, and the connecting rod is inserted in the connection sleeve pipe and can be along described
Connection sleeve pipe is moved up and down, and the side wall of the connection sleeve pipe is provided with multiple bolts hole and fastening bolt, by the fastening spiral shell
Be fixed on the connecting rod in the connection sleeve pipe by bolt.
3. a kind of physics teaching pulley assembly according to claim 1 and 2, it is characterised in that the case lid with
The other end that the casing is hinged is provided with movable lock, and the casing position corresponding with the activity lock is provided with fixation
Lock, the case lid is connected by the activity lock and the fixed lock with the casing.
4. a kind of physics teaching pulley assembly according to claim 1, it is characterised in that the two ends of the horizontal concrete chute
Opening is provided with, the baffle plate for closing the opening is provided with the opening, the baffle plate is buckled in the two of the horizontal stand
End.
5. a kind of physics teaching pulley assembly according to claim 4, it is characterised in that the horizontal concrete chute includes water
Rise as high as the banks and positioned at the horizontal baffle of the level trough upper and lower ends, the fixture block includes clamping part, connecting portion and supporting part, described
Supporting part is connected by the connecting portion with the clamping part, and the clamping part is fastened on the horizontal concrete chute.
6. a kind of physics teaching pulley assembly according to claim 5, it is characterised in that the bottom of the supporting part sets
The top for having the installation groove for installing the detachable hanger, the detachable hanger is provided with and the installation groove fit
Raised line.
7. a kind of physics teaching pulley assembly according to claim 1, it is characterised in that the casing is provided with support
Bar, the case lid is provided with draw-in groove, and the bottom of the support bar is articulated and connected with the casing, when the case lid be erected at it is described
When on casing, the upper end of the support bar is stuck in the draw-in groove and the case lid is erected on the casing.
8. a kind of physics teaching pulley assembly according to claim 1 or 5, it is characterised in that in the horizontal concrete chute
Inwall be provided with anti-skid frosted layer.
9. a kind of application method of physics teaching pulley assembly according to claim 1-9 any one, its feature exists
In comprising the following steps：
Step 1)：Case lid is opened, it is erected on casing, support frame is arranged on base, the fixed pulley that band is linked up with
Hanging is provided with draught line, the traction on the band hook fixed pulley on a detachable hanger for fixture block along pulley groove
Line one end connects dynamometer, and the other end connection weight block of the draught line is read by the weight block for converting different quality and surveyed
The reading of power device is simultaneously recorded, and then pulls down the band hook fixed pulley；
Step 2)：One end of the draught line is fixed on a detachable hanger for the fixture block, by the draught line around
The movable pulley with hook is crossed, the other end of the draught line is connected with the dynamometer, the movable pulley lower section with hook connects
The weight block is connect, the reading of dynamometer is read by the weight block for converting different quality and is recorded；
Step 3)：One fixed pulley with hook is hung on a detachable hanger for the fixture block, by the step
The other end of the draught line in rapid 2 is connected after bypassing the fixed pulley with hook with the dynamometer, the band hook
The movable pulley lower section connection weight block, the reading of dynamometer is read by the weight block for converting different quality and is remembered
Record.
10. a kind of application method of physics teaching pulley assembly according to claim 9, it is characterised in that the step
In rapid 1 or 2 or 3, the distance that the weight block is pulled is determined by observing the graduation mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611152045.6A CN106710381A (en) | 2016-12-14 | 2016-12-14 | Pulley assembly for physics teaching, and use method of pulley assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611152045.6A CN106710381A (en) | 2016-12-14 | 2016-12-14 | Pulley assembly for physics teaching, and use method of pulley assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106710381A true CN106710381A (en) | 2017-05-24 |
Family
ID=58937392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611152045.6A Pending CN106710381A (en) | 2016-12-14 | 2016-12-14 | Pulley assembly for physics teaching, and use method of pulley assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106710381A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833508A (en) * | 2017-11-23 | 2018-03-23 | 陈馨颖 | A kind of physics teaching assembly pulley device |
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| CN203070617U (en) * | 2013-01-05 | 2013-07-17 | 张勇 | A pulley block device used in physics teaching |
| CN103839460A (en) * | 2014-03-25 | 2014-06-04 | 刘天瑞 | Pulley teaching demonstration physical combined teaching tool |
| CN203659284U (en) * | 2014-01-14 | 2014-06-18 | 王栋 | Pulley demonstration device for physical experiments |
| CN104700690A (en) * | 2013-12-05 | 2015-06-10 | 赵翠萍 | Pulley for physics teaching |
| CN204833828U (en) * | 2015-08-06 | 2015-12-02 | 张明琪 | Assembly pulley experiment teaching aid |
| CN205508218U (en) * | 2015-12-29 | 2016-08-24 | 柴林 | Portable lever demonstration teaching aid |
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- 2016-12-14 CN CN201611152045.6A patent/CN106710381A/en active Pending
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| CN202650349U (en) * | 2012-07-10 | 2013-01-02 | 王家栋 | Pulley block used in physics teaching |
| CN203070617U (en) * | 2013-01-05 | 2013-07-17 | 张勇 | A pulley block device used in physics teaching |
| CN104700690A (en) * | 2013-12-05 | 2015-06-10 | 赵翠萍 | Pulley for physics teaching |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107833508A (en) * | 2017-11-23 | 2018-03-23 | 陈馨颖 | A kind of physics teaching assembly pulley device |
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Application publication date: 20170524 |