CN206353397U - The parallelogram rule experimental provision of Hooke's law and power - Google Patents
The parallelogram rule experimental provision of Hooke's law and power Download PDFInfo
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- CN206353397U CN206353397U CN201621365298.7U CN201621365298U CN206353397U CN 206353397 U CN206353397 U CN 206353397U CN 201621365298 U CN201621365298 U CN 201621365298U CN 206353397 U CN206353397 U CN 206353397U
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Abstract
The utility model discloses a kind of Hooke's law and the parallelogram rule experimental provision of power, it is related to experimental provision technical field.It includes circular experimental substrate and several experiment combined devices；Experimental substrate center is fixed with the newel of vertical direction；Described experiment combined device includes experiment spring, a main pulling force meter and two points of tensiometers；Locating dowel bottom is fixedly connected with horizontal ruler；The draw ring for testing the spring other end is connected with two points of tensiometers respectively by two sensing ropes；Two points of tensiometer other ends are connected with location adjusting device respectively by drawstring；Described location adjusting device includes the sliding block that several are slidably connected with experimental substrate side；Groove is provided with the inside of sliding block；Rotary shaft is provided with sliding block.The beneficial effects of the utility model are：Hooke's law and the parallelogram rule confirmatory experiment of power can be carried out simultaneously, it is simple to operate, multigroup experiment can be carried out simultaneously, and the error shaken and caused is reduced by location adjusting device.
Description
Technical field
The utility model is related to experimental provision technical field.
Background technology
In learning process, often it is related to experiments of some checking classes, manually operated by student is deepened to knowledge
The understanding of point, and manipulative ability is improved, the Hooke's law experiment of spring and the parallelogram rule of power realize it is more basic
Experiment, and in traditional experimental method, two experiments are separately carried out, and take more class hour, Hooke's law is power and length
The relation of degree, the parallelogram rule of power is the synthesis of power, is designed into direction and the size of power, by conventional methods and
Device understands that the two has identical place, can synchronously be tested, and verifies the allowable error scope of class experiment, makes the two
Synchronous experiment is possibly realized.
Utility model content
Technical problem to be solved in the utility model, is fixed there is provided a kind of Hooke for above-mentioned technical deficiency
The parallelogram rule experimental provision of rule and power.The parallelogram rule checking that Hooke's law and power can be carried out simultaneously is real
Test, it is simple to operate, multigroup experiment can be carried out simultaneously, and the error shaken and caused is reduced by location adjusting device.
The technical solution adopted in the utility model is：A kind of Hooke's law and the parallelogram rule experiment dress of power are provided
Put, including circular experimental substrate and several experiment combined devices；Experimental substrate center is fixed with the center of vertical direction
Post；The recording sheet of experiment is socketed with newel, recording sheet is above experimental substrate；Described experiment combined device includes real
Test spring, a main pulling force meter and two points of tensiometers；The rear and front end of experiment spring is mounted on draw ring；Test before spring
End is fixed with vertical locating dowel, and rear end is provided with vertical fingerpost；Locating dowel bottom is fixedly connected with horizontal ruler；
Groove along its length is provided with the graduation mark side of ruler, ruler, fingerpost is slided in groove；One end of main pulling force meter
It is connected with newel socket, the other end is connected with testing the draw ring of spring one end；The draw ring of the experiment spring other end passes through two
Rope is pointed to be connected with two points of tensiometers respectively；Two points of tensiometer other ends are connected with location adjusting device respectively by drawstring
Connect；Described location adjusting device includes the sliding block that several are slidably connected with experimental substrate side；Groove is provided with the inside of sliding block；
Rotary shaft is provided with sliding block, rotary shaft passes through groove, is connected with sliding block pivoting friction；Rotary shaft upper end is higher by sliding block setting,
And rotor plate is installed；One end of drawstring is connected with a point tensiometer, and the other end is fixedly connected with the rotating shaft.
Further optimize the technical program, the described sensing of the parallelogram rule experimental provision of Hooke's law and power
Post is inverse-T-shaped, and fingerpost passes through groove, is relatively large in diameter one end in downside；Experiment spring rear end is provided with the set of vertical direction
Pipe；Fingerpost upper end is connected with casing threads.
Further optimize the technical program, the parallelogram rule experimental provision of Hooke's law and power in recording sheet
Side, newel lower rotation is connected with line drawing ruler.
The utility model is compared with traditional experiment device, and its advantage is：
1st, experiment combined device can carry out Hooke's law confirmatory experiment and parallelogram rule confirmatory experiment simultaneously, in circle
Multigroup experiment can be carried out simultaneously by multigroup personnel on the experimental substrate of shape, increased operation rate, locating dowel bears pulling force, main pulling force meter
Had a certain degree with two points of tensiometers by testing spring and pointing between rope connection, two points of tensiometers, pass through pulling force
The number of degrees and the direction of three power carry out parallelogram etc. you follow confirmatory experiment, at the same time, test spring under tension
Generation length changes, and fingerpost is slided in groove, is convenient to accurately read length from ruler vertically, main pulling force meter
Reading pulling force suffered by experiment spring, you can confirmatory experiment is carried out to Hooke's law Δ F=k* Δs x.Location adjusting device can be to dividing
Tensiometer is positioned, and the friction between sliding block and experimental substrate is positioned to sliding block, by between rotary shaft and sliding block
Rotation friction, provides point tensiometer pulling force by drawstring and positions, easy to adjust, while can reduce manually operated
Jitter error；
2nd, when fingerpost is inverse-T-shaped, mode and the sleeve pipe connection of test spring are connected through a screw thread, can be preferably right
Ruler is fixed, and makes ruler and experiment spring keeping parallelism, is convenient to the accurate number of degrees, while being convenient to drive the ruler side of following
To；
3rd, line drawing ruler is used to draw the straight line along radius in recording sheet, is convenient to carry out region division to recording sheet, with
Prevent multigroup personnel record chaotic.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is experiment combined device part-structure decomposing schematic representation；
In figure, 1, experimental substrate；2nd, newel；3rd, recording sheet；4th, spring is tested；5th, main pulling force meter；6th, tensiometer is divided；7、
Draw ring；8th, locating dowel；9th, fingerpost；10th, ruler；11st, groove；12nd, rope is pointed to；13rd, drawstring；14th, sliding block；15th, groove；16、
Rotary shaft；17th, rotor plate；18th, sleeve pipe；19th, line drawing ruler.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1-2, Hooke's law and the parallelogram rule experimental provision of power, including circular experimental substrate 1
With several experiment combined devices；The center of experimental substrate 1 is fixed with the newel 2 of vertical direction；Reality is socketed with newel 2
The recording sheet 3 tested, recording sheet 3 is in the top of experimental substrate 1；Described experiment combined device includes experiment spring 4, a main drawing
Power meter 5 and two points of tensiometers 6；The rear and front end of experiment spring 4 is mounted on draw ring 7；Being fixedly arranged at the front end with for experiment spring 4 is perpendicular
Straight locating dowel 8, rear end is provided with vertical fingerpost 9；The bottom of locating dowel 8 is fixedly connected with horizontal ruler 10；In ruler
Groove 11 along its length is provided with 10 graduation mark side, ruler 10, fingerpost 9 is slided in groove 11；Main pulling force meter 5
The socket of one end and newel 2 be connected, the other end is connected with testing the draw ring 7 of the one end of spring 4；Test the drawing of the other end of spring 4
Ring 7 points to rope 12 by two and is connected respectively with two points of tensiometers 6；Two points of other ends of tensiometer 6 are distinguished by drawstring 13
It is connected with location adjusting device；Described location adjusting device includes the sliding block that several are slidably connected with the side of experimental substrate 1
14；The inner side of sliding block 14 is provided with groove 15；Rotary shaft 16 is provided with sliding block 14, rotary shaft 16 passes through groove 15, with 14 turns of sliding block
Dynamic friction is connected；The upper end of rotary shaft 16 is higher by sliding block 14 and set, and is provided with rotor plate 17；One end of drawstring 13 and a point tensiometer
6 connections, the other end is fixedly connected with rotary shaft 16；Described fingerpost 9 is inverse-T-shaped, and fingerpost 9 passes through groove 11, diameter
Larger one end is in downside；Experiment spring 4 rear end is provided with the sleeve pipe 18 of vertical direction；The upper end of fingerpost 9 connects with the screw thread of sleeve pipe 18
Connect；In the top of recording sheet 3, the lower rotation of newel 2 is connected with line drawing ruler 19.
When in use, experimental substrate 1 is fixed on laboratory table for the utility model, and the recording sheet 3 of experiment is positioned over
On experimental substrate 1, the middle part of recording sheet 3 passes through newel 2, and recording sheet 3 used can be the rectangle or special circle reused
Shape, is then socketed multiple experiment combined devices on newel 2 successively, is tested simultaneously for multigroup.During experiment, to two
Direction is pulled in a point tensiometer 6, drawing process, and length conversion occurs for test spring stress, while the stress of main pulling force meter 5 and occurring
Reading changes.In Hooke's law confirmatory experiment, this numerical value of Δ F is read and calculated by main pulling force meter 5, and Δ x is on ruler 10
Scale is read and calculated, and the locating dowel 8 of experiment spring 4 front end is fixedly connected with ruler 10, and can be with ruler 10 zero graduation line
Position or other graduation positions correspondence, to be convenient to reading, when the experiment stress of spring 4 is deformed upon, experiment spring 4 extends,
The fingerpost 9 of rear end is slided in groove 11, and corresponding with graduation mark position, when stop motion, you can be rapidly performed by carving
The reading of angle value, can install thinner pointer, to improve reading accuracy in the side of fingerpost 9；The parallelogram rule of power
In confirmatory experiment, two points of tensiometers 6 are angled, and main pulling force meter 5 is represented rationally, and two points of tensiometers 6 represent component,
The direction of power is the direction for pointing to rope 12 and experiment spring 4, and some is made in recording sheet 3 using writing pen marks, even
Line, the numerical value of power is directly read by main pulling force meter 5 and a point tensiometer 6.Two can be completed after carrying out many experiments
The collection of confirmatory experiment data.
, can also be by location adjusting device to a point pulling force in addition to experimenter is by manual pulling tensiometer 6 during experiment
Meter 6 provides pulling force and positioned.One end of drawstring 13 is connected with a point tensiometer 6, and the other end is fixedly connected with rotary shaft 16, by turn
Active friction masterpiece between moving axis 16 and sliding block 14 is positioned for resistance, and by the setting of rotor plate 17, experimenter can
The rotation of rotary shaft 16 is more easily realized, so as to change drawstring 13 in outside length, pulling force is provided to point tensiometer 6.Draw
The connection of rope 13 and point tensiometer 6, can knot one end of drawstring 13 cyclization, and one end of point tensiometer 6 is caught on into drawstring 13, referred to
, can be by knotting to the connection of rope 12 experiment spring 4 and point tensiometer 6, the form such as hook is attached, and is that conventional meanses can be real
The connected mode applied, therefore detailed construction description is not done, sliding block 14 is slidably connected with experimental substrate 1, and sliding block 14 can be carried
For preferably positioning, the structure can be realized by increasing the better simply mode such as stopper slot and friction, be conventional technical means.
Used main pulling force meter 5 and point tensiometer 6 for the spring tension meter commonly used in experiment or other can survey drawing
The pulling force counter device of power, general pulling force counter device one end is circular connector, and the other end is clevis coupler, for connecting,
Connected mode specifically described herein meets general connected mode.
Frictional force between fingerpost 9 and groove 11 should be reduced as far as possible, reduce the shadow to testing the actual loading of spring 4
Ring, and use inverse-T-shaped fingerpost 9 to hold the rear portion of ruler 10, although the inevitable contact for adding friction surface,
But plastic material frictional force itself is smaller, while this measure can reduce the deformation of the vertical direction of experiment spring 4, spring is tested
4 rear and front end can the more uniform pulling force by ruler 10.
Claims (3)
1. the parallelogram rule experimental provision of a kind of Hooke's law and power, it is characterised in that：Including circular experimental substrate
（1）With several experiment combined devices；Experimental substrate（1）Center is fixed with the newel of vertical direction（2）；Newel（2）
On be socketed with the recording sheet of experiment（3）, recording sheet（3）In experimental substrate（1）Top；
Described experiment combined device includes experiment spring（4）, a main pulling force meter（5）With two points of tensiometers（6）；Test bullet
Spring（4）Rear and front end be mounted on draw ring（7）；Test spring（4）Be fixedly arranged at the front end with vertical locating dowel（8）, rear end peace
Equipped with vertical fingerpost（9）；Locating dowel（8）Bottom is fixedly connected with horizontal ruler（10）；In ruler（10）Graduation mark
Side, ruler（10）On be provided with groove along its length（11）, fingerpost（9）In groove（11）It is interior to slide；Main pulling force meter（5）
One end and newel（2）Socket connection, the other end and experiment spring（4）The draw ring of one end（7）Connection；Test spring（4）Separately
The draw ring of one end（7）Pointed to and restricted by two（12）Respectively with two points of tensiometers（6）Connection；Two points of tensiometers（6）It is another
End passes through drawstring（13）It is connected respectively with location adjusting device；
Described location adjusting device includes several and experimental substrate（1）The sliding block that side is slidably connected（14）；Sliding block（14）
Inner side is provided with groove（15）；Sliding block（14）On be provided with rotary shaft（16）, rotary shaft（16）Through groove（15）, with sliding block（14）
Pivoting friction is connected；Rotary shaft（16）Upper end is higher by sliding block（14）Set, and rotor plate is installed（17）；Drawstring（13）One end
With a point tensiometer（6）Connection, the other end and rotary shaft（16）It is fixedly connected.
2. the parallelogram rule experimental provision of Hooke's law according to claim 1 and power, it is characterised in that：It is described
Fingerpost（9）For inverse-T-shaped, fingerpost（9）Through groove（11）, one end is relatively large in diameter in downside；Test spring（4）Rear end
The sleeve pipe of vertical direction is installed（18）；Fingerpost（9）Upper end and sleeve pipe（18）Threaded connection.
3. the parallelogram rule experimental provision of Hooke's law according to claim 1 and power, it is characterised in that：In note
Record paper（3）Top, newel（2）Lower rotation is connected with line drawing ruler（19）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621365298.7U CN206353397U (en) | 2016-12-13 | 2016-12-13 | The parallelogram rule experimental provision of Hooke's law and power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621365298.7U CN206353397U (en) | 2016-12-13 | 2016-12-13 | The parallelogram rule experimental provision of Hooke's law and power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206353397U true CN206353397U (en) | 2017-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621365298.7U Expired - Fee Related CN206353397U (en) | 2016-12-13 | 2016-12-13 | The parallelogram rule experimental provision of Hooke's law and power |
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| CN (1) | CN206353397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808573A (en) * | 2017-12-04 | 2018-03-16 | 西南石油大学 | A kind of multiduty Hydromechanics experimental device platform |
-
2016
- 2016-12-13 CN CN201621365298.7U patent/CN206353397U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808573A (en) * | 2017-12-04 | 2018-03-16 | 西南石油大学 | A kind of multiduty Hydromechanics experimental device platform |
| CN107808573B (en) * | 2017-12-04 | 2023-10-20 | 西南石油大学 | Multipurpose fluid mechanics experimental device platform |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170725 Termination date: 20171213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |