CN208460267U - A kind of simple pendulum device - Google Patents
A kind of simple pendulum device Download PDFInfo
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- CN208460267U CN208460267U CN201820357658.1U CN201820357658U CN208460267U CN 208460267 U CN208460267 U CN 208460267U CN 201820357658 U CN201820357658 U CN 201820357658U CN 208460267 U CN208460267 U CN 208460267U
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Abstract
The utility model relates to a kind of simple pendulum devices, including bottom plate, the first pallet, telescopic device, cycloid disc, the second pallet, cycloid and swing ball；One end of the telescopic device is vertically connected with the bottom plate, and the other end of the telescopic device passes through first pallet and is connected with second pallet, and the telescopic device can adjust height of second pallet relative to the bottom plate；The cycloid disc is arranged on second pallet, and one end of the cycloid is arranged on the cycloid disc, and the other end is connected with the swing ball, and the cycloid disc can adjust the length of the cycloid；The utility model can adjust suspension point height, keep experiment with simple pendulum more abundant while capable of adjusting cycloid length, accurate metering and timing.
Description
Technical field
The utility model relates to field of experiment equipment, and in particular to a kind of single pendulum dress for easily adjusting pendulum length and suspension point height
It sets.
Background technique
Simple harmonic motion is as a kind of physical motion, either all by universal in teaching or in real life
With simple pendulum device is mainly made of the device of swing ball, line and fixing line as instrument common in experiment with simple pendulum, when experiment
By measuring pendulum length, counting and timing are swung to swing ball, simple harmonic motion, list in the prior art are studied by the data of measurement
Pendulum device carries out metering and timing to simple harmonic motion, but is testing influence of the pendulum length to simple harmonic motion after having measured pendulum length
When, or cycloid is needed to change, process is cumbersome, or is often influenced by support pole length, so that the length range of cycloid be made to be limited
System, is not enough experiment with simple pendulum.
Chinese patent document is disclosed, and application No. is 201110336496.6 high-precision measuring device for cycle of simple pendulum, the dresses
It sets including simple pendulum device, Magnetic Sensor and single-chip microcontroller, includes wherein counter, timer and display in single-chip microcontroller, carrying out
When period of single pendulum measures, full vibration number is acquired using single-chip microcontroller and records total time, is counted using advanced Magnetic Sensor,
The period vibrated entirely is accurately measured, accidental error will not be generated, saves experimental period, but the device can not directly adjust pendulum
It is long, when adjusting pendulum length, cycloid is needed to change, and support pole length that can not also adjust, to influence the range of pendulum length, cause single pendulum
Experiment is not enough.
Utility model content
Of the existing technology in order to solve the problems, such as, the utility model provides one kind and easily adjusts string pendulum length and suspension point height
The simple pendulum device of degree；Equipped with telescopic device, the telescopic device can adjust suspension point height, be equipped with cycloid disc, the cycloid disc
Cycloid length can be adjusted, the utility model suspension point height and cycloid length are easily adjusted, and simple harmonic motion experiment is more abundant.
The purpose of the utility model is to provide a kind of simple pendulum device, including bottom plate, the first pallet, telescopic device, cycloid disc,
Second pallet, cycloid and swing ball；One end of the telescopic device is vertically connected with the bottom plate, the other end of the telescopic device
It is connected across first pallet and with second pallet, the telescopic device can adjust second pallet relative to institute
State the height of bottom plate；The cycloid disc is arranged on second pallet, and one end of the cycloid is arranged on the cycloid disc,
And the other end of the cycloid is connected with the swing ball, the cycloid disc can adjust the length of the cycloid.
Swing ball when making simple harmonic motion, telescopic device by adjust and lock the second pallet relative to bottom plate height come complete
Pairs of suspension point is highly adjustable and locks, and cycloid disc is adjusted and locks to the length of cycloid, telescopic device and cycloid disc phase
Mutually cooperation keeps experiment with simple pendulum more abundant.
In the utility model, described telescopic device one end is equipped with external screw thread, and second pallet is equipped with handle nut,
The telescopic device passes through second pallet and is connected with handle nut, easy disassembly；The cycloid disc is equipped with rocking handle, side
Just the adjusting of cycloid.
In order to adjust and lock cycloid length, preferred technical solution is, the cycloid disc include clamp nut, screw rod and
One end of drum, the screw rod is connected by external screw thread with the clamp nut, and the other end of the screw rod passes through the drum
It is connected with second pallet, the clamp nut can be by rotatably compressing the drum, to lock the length of the cycloid
Degree.The screw rod is connect by the nut with handle with second pallet, and the handle facilitates operation.
In order to facilitate locking cycloid disc, to lock cycloid length, preferred technical solution is that the cycloid disc further includes
Spring, on the screw rod, the both ends of the spring offset with the clamp nut and the drum spring pocket respectively.
Clamp nut is detached from screw rod because excessively unscrewing and facilitates the installation of clamp nut, preferred technical side in order to prevent
Case is that the cycloid disc further includes stop screw, and the end face of the screw rod is equipped with threaded securing bores, the axis of the stop screw
Portion is inserted into the clamp nut and is placed in the threaded securing bores, and the stop screw can play the limitation clamp nut
Position effect.
In order to adjust and lock suspension point height, preferred technical solution is that the telescopic device includes the first telescopic rod, lock
Tight coupling and the second telescopic rod, first telescopic rod, the lock-on connection and second telescopic rod are sequentially connected, and described
A part of one telescopic rod can pass through the lock-on connection and slide in second telescopic rod, and the lock-on connection can
Lock the relative position of first telescopic rod and second telescopic rod.
In order to facilitate the adjusting and locking of telescopic device, preferred technical solution is that the lock-on connection includes locking hand
Handle and connector, the set lever include handle body and the stud that is vertically set on handle body, and the connector is equipped with
Threaded hole, the stud pass through the threaded hole and offset with first telescopic rod.
In order to read the data of suspension point height and cycloid length, preferred technical solution is first telescopic rod and institute
It states and is equipped with scale on the second telescopic rod.
In order to which the suspension point of simple harmonic motion is more stable, preferred technical solution is that second pallet is equipped with suspension point hole,
The fixed suspension point of rubber is provided in the suspension point hole.
In order to which the number and time, preferred technical solution of high-precision record single pendulum are that the bottom plate is equipped with measurement
Device, the measuring device include sensor, counter and timer, and the sensor, which is arranged, corresponds to institute in first pallet
The position of swing ball minimum point is stated, the sensor is connect with the counter and the timer-signals respectively.
In order to accurately adjust the distance between swing ball and sensor, preferred technical solution is that the measuring device is also
Including adjusting nut, the adjusting nut is arranged on first pallet, and the covers disposed on sensor has external screw thread, the adjusting
Nut is connected by the external screw thread with the sensor, and the adjusting nut can adjust the sensor and institute by rotation
State the distance between swing ball.
The utility model has the following beneficial effects:
1, the utility model provides a kind of simple pendulum device, is equipped with telescopic device and cycloid disc, the telescopic device can
It adjusts and the height of locking suspension point, the cycloid disc can adjust and lock the length of cycloid, the suspension point height of the utility model
It is easily adjusted with cycloid length, more comprehensively to the experiment of simple harmonic motion.
2, telescopic device includes the first telescopic rod, lock-on connection and the second telescopic rod, a part of first telescopic rod
The lock-on connection can be passed through and slided in second telescopic rod, can adjust and lock first by lock-on connection and stretch
The relative position of contracting bar and the second telescopic rod, suspension point height are easily adjusted, and the telescopic rod is equipped with scale, can directly be measured outstanding
Point height and cycloid length.
3, cycloid disc includes clamp nut, screw rod, drum and spring, spring pocket on screw rod and both ends respectively with compression
Nut and drum offset, and drum can adjust the length of cycloid, and clamp nut, spring and drum mutual cooperation can lock cycloid
Length.
4, it is equipped with the fixed suspension point of rubber in the suspension point hole of the first pallet, keeps the suspension point of simple harmonic motion more stable.
5, measuring device includes sensor, counter, timer and adjusting nut, can it is high-precision to simple harmonic motion into
Row metering and timing, adjusting nut can be realized the fine tuning of distance between sensor and swing ball.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model cycloid disc；
Fig. 3 is the structural schematic diagram of the utility model telescopic device；
Fig. 4 is the structural schematic diagram of the utility model lock-on connection；
Fig. 5 is the structural schematic diagram of the second pallet of the utility model；
Fig. 6 is the structural schematic diagram of the utility model measuring device.
Appended drawing reference
1- bottom plate；The first pallet of 2-；3- telescopic device；The first telescopic rod of 31-；The second telescopic rod of 32-；33- lock-on connection；
331- rotating handle；3311- handle body；3312- stud；332- connector；3321- threaded hole；4- cycloid disc；41- limits spiral shell
Nail；42- clamp nut；43- screw rod；431- threaded securing bores；44- spring；45- drum；451- rocking bar；The second pallet of 5-；51-
Rubber fixes suspension point；52- suspension point hole；6- cycloid, 7- swing ball；8- measuring device；81- sensor；82- counter；83- timing
Device；84- adjusting nut.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
As shown in Figure 1, a kind of simple pendulum device, which is characterized in that including bottom plate 1, the first pallet 2, telescopic device 3, cycloid
Disk 4, the second pallet 5, cycloid 6 and swing ball 7；One end of the telescopic device 3 is vertically connected with the bottom plate 1, the flexible dress
It sets 3 other end to pass through and first pallet 2 and be connected with second pallet 5, the telescopic device 3 can be adjusted and be locked
Height of second pallet 5 relative to the bottom plate 1；The cycloid disc 4 is arranged on second pallet 5, the cycloid 6
One end be arranged on the cycloid disc 4, and the other end of the cycloid 6 is connected with the swing ball 7, and the cycloid disc 4 can
Adjust and lock the length of the cycloid 6.
As shown in Fig. 2, the cycloid disc 4 includes clamp nut 42, screw rod 43 and drum 45, one end of the screw rod 43 is logical
It crosses external screw thread to be connected with the clamp nut 42, the other end of the screw rod 43 passes through the drum 45, the clamp nut 42
It can be by rotatably compressing the drum 45, to lock the length of the cycloid.
The cycloid disc 4 is equipped with rocking handle 451.
The cycloid disc 4 further includes spring 44, and the spring 44 is sleeved on the screw rod 43, the both ends of the spring 44
It offsets respectively with the clamp nut 42 and the drum 45.
The cycloid disc 4 further includes stop screw 41, and the end face of the screw rod 43 is equipped with threaded securing bores 431, described
The axle portion of stop screw 41 is inserted into the clamp nut 42 and is placed in the threaded securing bores 431.
As shown in figure 3, the telescopic device 3 includes the first telescopic rod 31, lock-on connection 33 and the second telescopic rod 32, it is described
First telescopic rod 31, the lock-on connection 33 and second telescopic rod 32 are sequentially connected, and one of first telescopic rod 31
The lock-on connection 33 can be passed through and slide in second telescopic rod 32 by dividing, and the lock-on connection 33 can lock described
The relative position of first telescopic rod 31 and second telescopic rod 32.
Described 3 one end of telescopic device is equipped with external screw thread, and second pallet 5 is equipped with handle nut, and described is flexible
Device 3 passes through second pallet 5 and is connected with handle nut.
Scale is equipped on first telescopic rod 31 and second telescopic rod 32.
As shown in figure 4, the lock-on connection 33 includes set lever 331 and connector 332, the set lever 331 includes
Handle body 3311 and the stud 3312 being vertically set on handle body 3311, the connector 332 are equipped with threaded hole 3321,
The stud 3312 passes through the threaded hole 3321 and offsets with first telescopic rod 31.
As shown in figure 5, second pallet 5 is equipped with suspension point hole 52, it is fixed outstanding that rubber is provided in the suspension point hole 52
Point 51.
As shown in fig. 6, the bottom plate 1 is equipped with measuring device 8, the measuring device 8 includes sensor 81, counter 82
With timer 83, the position of corresponding 7 minimum point of swing ball of first pallet 2, the sensing is arranged in the sensor 81
Device 81 is connect with the counter 82 and 83 signal of the timer respectively.
The measuring device 8 further includes adjusting nut 84, and the adjusting nut 84 is arranged on first pallet 2, institute
Sensor 81 is stated equipped with external screw thread, the adjusting nut 84 is connected by the external screw thread with the sensor 81, the tune
The distance between the sensor 81 and the swing ball 7 can be adjusted by rotation by saving nut 84.
Working principle:
When adjusting suspension point height, lock-on connection 33 is unscrewed, adjusts the opposite position of the first telescopic rod 31 and the second telescopic rod 32
It sets, after determining position, screws lock-on connection 33；When adjusting 6 length of cycloid, nut 42, the limitation pressure of stop screw 41 are rotatably compressed
The position of tight nut 42 prevents clamp nut 41 to be detached from screw rod 43, after drum 45 and the second pallet 5 loosen, operates rocking handle 451,
After adjusting swing ball 7 to suitable position, clamp nut 42 is reversely rotated, spring 44 compresses, to lock drum 45；Finely tune swing ball 7
When the distance between sensor 81, rotating adjusting nut 84；Record swing ball 7 is when making simple harmonic motion data, and sensor is by swing ball 7
Signal when simple harmonic motion is sent to counter 82 and timer 83, reads single pendulum fortune by observation counter 82 and timer 83
Dynamic number and time reads the length of cycloid 6 by the scale on the first telescopic rod 31 of observation and the second telescopic rod 32.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of simple pendulum device, which is characterized in that including bottom plate (1), the first pallet (2), telescopic device (3), cycloid disc (4),
Second pallet (5), cycloid (6) and swing ball (7)；One end of the telescopic device (3) is vertically connected with the bottom plate (1), described
The other end of telescopic device (3) passes through first pallet (2) and is connected with second pallet (5), the telescopic device (3)
It can adjust and lock height of second pallet (5) relative to the bottom plate (1)；The cycloid disc (4) is arranged described
On second pallet (5), one end of the cycloid (6) is arranged on the cycloid disc (4), and the other end of the cycloid (6) with
The swing ball (7) is connected, and the cycloid disc (4) can adjust and lock the length of the cycloid (6).
2. simple pendulum device according to claim 1, which is characterized in that the cycloid disc (4) includes clamp nut (42), spiral shell
One end of bar (43) and drum (45), the screw rod (43) is connected by external screw thread with the clamp nut (42), the screw rod
(43) the other end passes through the drum (45) and is connected with second pallet (5), and the clamp nut (42) can pass through rotation
Turn to compress the drum (45), to lock the length of the cycloid.
3. simple pendulum device according to claim 2, which is characterized in that the cycloid disc (4) further includes spring (44), described
Spring (44) is sleeved on the screw rod (43), the both ends of the spring (44) respectively with the clamp nut (42) and the line
Disk (45) offsets.
4. simple pendulum device according to claim 2, which is characterized in that the cycloid disc (4) further includes stop screw (41),
The end face of the screw rod (43) is equipped with threaded securing bores (431), and the axle portion of the stop screw (41) is inserted into the compression spiral shell
Female (42) are placed in the threaded securing bores (431).
5. simple pendulum device according to claim 1, which is characterized in that the telescopic device (3) includes the first telescopic rod
(31), lock-on connection (33) and the second telescopic rod (32), first telescopic rod (31), the lock-on connection (33) and described
Two telescopic rods (32) are sequentially connected, and a part of first telescopic rod (31) can pass through the lock-on connection (33) and in institute
First telescopic rod (31) and described second can be locked and stretch by stating sliding, the lock-on connection (33) in the second telescopic rod (32)
The relative position of contracting bar (32).
6. simple pendulum device according to claim 5, which is characterized in that the lock-on connection (33) includes set lever
(331) include handle body (3311) and be vertically set on handle body with connector (332), the set lever (331)
(3311) stud (3312) on, the connector (332) are equipped with threaded hole (3321), and the stud (3312) passes through the spiral shell
Pit (3321) simultaneously offsets with first telescopic rod (31).
7. simple pendulum device according to claim 5, which is characterized in that first telescopic rod (31) and described second is stretched
Bar is equipped with scale on (32).
8. simple pendulum device according to claim 1, which is characterized in that second pallet (5) is equipped with suspension point hole (52),
It is fixed suspension point (51) that rubber is provided in the suspension point hole (52).
9. simple pendulum device according to claim 1, which is characterized in that the bottom plate (1) is equipped with measuring device (8), institute
Stating measuring device (8) includes sensor (81), counter (82) and timer (83), and sensor (81) setting is described the
The position of corresponding swing ball (7) minimum point of one pallet (2), the sensor (81) respectively with the counter (82) and described
The connection of timer (83) signal.
10. simple pendulum device according to claim 9, which is characterized in that the measuring device (8) further includes adjusting nut
(84), the adjusting nut (84) is arranged on first pallet (2), and the sensor (81) is equipped with external screw thread, described
Adjusting nut (84) is connected by the external screw thread with the sensor (81), and the adjusting nut (84) can be adjusted by rotation
Save the distance between the sensor (81) and the swing ball (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820357658.1U CN208460267U (en) | 2018-03-15 | 2018-03-15 | A kind of simple pendulum device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820357658.1U CN208460267U (en) | 2018-03-15 | 2018-03-15 | A kind of simple pendulum device |
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| Publication Number | Publication Date |
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| CN208460267U true CN208460267U (en) | 2019-02-01 |
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| CN201820357658.1U Active CN208460267U (en) | 2018-03-15 | 2018-03-15 | A kind of simple pendulum device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867051A (en) * | 2019-11-16 | 2020-03-06 | 邢盈盈 | Earthquake alarm |
-
2018
- 2018-03-15 CN CN201820357658.1U patent/CN208460267U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867051A (en) * | 2019-11-16 | 2020-03-06 | 邢盈盈 | Earthquake alarm |
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