CN220913777U

CN220913777U - Swing experimental machine

Info

Publication number: CN220913777U
Application number: CN202322345185.7U
Authority: CN
Inventors: 江翠情; 孙伟; 周育妹; 邱显焕
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-05-07
Anticipated expiration: 2033-08-30

Abstract

The utility model provides a swinging experiment machine which comprises a base and a cabinet body, wherein the cabinet body is arranged at the top of the base and is in a shape with a narrow upper part and a wide lower part, a swinging cavity with an open front end is formed in the cabinet body, the center of the top of the swinging cavity is fixedly connected with a fixed shaft, and a swinging assembly is movably connected on the fixed shaft. Meanwhile, a counter is embedded in the inner wall of one side of the top of the swinging cavity, an indicator lamp and a photosensitive element are embedded in the inner wall of the bottom of the swinging cavity, an installation groove is formed in the inner wall of the front end of the indicator lamp, and an equipment board is installed in the installation groove.

Description

Swing experimental machine

Technical Field

The utility model relates to the field of experiment teaching aids, in particular to a swinging experiment machine.

Background

In order to be directed against environmental conditions such as gravity in physical experiments and need carry out the experiment when the object swings, however current teaching aid is like the publication number: CN201229691Y, named: a single pendulum experiment with a testable speed, which discloses: draw together cycloid (4), back and forth wobbling lifting ball (5) and be provided with locating plate (3) of swing scale on it during the swing, the lower extreme of cycloid (4) is connected with lifting ball (5), and the upper end of cycloid (4) is in the same place with setting up horizontal pole (31) on locating plate (3), locating plate (3) are detachable location in pole setting (1), its characterized in that: the vertical rod (1) is provided with a sensor (2) capable of automatically transmitting the swinging times, time, intervals and periodic frequency of the hanging ball (5), and the sensor (2) is connected with the digital display instrument (6) and the power supply structure loop through a lead (61). Compared with the prior art, the utility model has the advantages that students can directly read the swinging times, time and periodic frequency of intervals of the hanging ball from the digital display instrument during the experiment, and the utility model is convenient and visual, so that the operation is more convenient; the sensor and the digital display on the utility model can also be used for other experiments, so that the purchase cost of experimental facilities is effectively reduced, and the unnecessary expense of users is saved.

The experimental tool can not intuitively observe the swinging radian during testing, and due to the fact that the swinging radian is fast, students are difficult to record corresponding radian data in the swinging process for many times, testing conditions are single, and testing experiments can not be conducted on the weight, the length and the friction force of the swinging component.

Disclosure of utility model

The utility model provides a swing experimental machine for solving the technical problems in the background technology.

The utility model discloses a swing experiment machine, which is characterized by comprising the following specific technical means: the utility model provides a swing experiment machine, includes base, the cabinet body is installed in the base top, and the cabinet body is the setting of upper and lower wide shape, and the inside swing chamber that is open setting of front end that has seted up of cabinet simultaneously, swing chamber top center fixedly connected with fixed axle, and swing subassembly is gone up to swing in fixed axle. Meanwhile, a counter is embedded in the inner wall of one side of the top of the swinging cavity, an indicator lamp and a photosensitive element are embedded in the inner wall of the bottom of the swinging cavity, a mounting groove is formed in the inner wall of the front end of the indicator lamp, and an equipment board is mounted in the mounting groove.

Further, the inside hollow structure that is of base, and the opening has been seted up to the base front end and swing joint has closed door, the inside one side fixedly connected with battery of base, and the inside opposite side fixedly connected with data processor of base.

Further, the storage battery is electrically connected with the data processor and electric equipment in the cabinet body.

Further, the data processor is in signal connection with the counter, the indicator light and the photosensitive element.

Furthermore, the interval between pilot lamp, the photosensitive element is further, the interval between pilot lamp, the photosensitive element can be adjusted according to the demand of experimental accuracy, draws the angle indicator strip on the swing intracavity wall of pilot lamp top simultaneously.

Further, the laser transmitters are embedded in the inner wall of the inner side of the equipment board, the distance between the laser transmitters is the same as that between the laser transmitters and the photosensitive element, and meanwhile cables communicated with the storage battery and the laser transmitters are arranged in the equipment board.

Further, the cavity is seted up to swing subassembly inside, and the opening has been seted up at swing subassembly top center, and opening both sides swing joint has the locking piece simultaneously to swing subassembly inside rotates and is connected with the collecting wheel, the spout has been seted up on the swing subassembly both sides lateral wall, and the spacing groove has been seted up to the spout both sides, swing joint has the shifting block in the spout simultaneously, and fixedly connected with connecting rod between shifting block and the locking piece, the notch has been seted up to swing subassembly both sides outer wall, and swing subassembly both sides swing joint has the balancing weight.

Further, the center of the collecting wheel is fixedly connected with a central shaft with elastic rotation, the collecting wheel is wound with a connecting rope, the connecting rope extends out of an opening at the top of the swinging assembly, and the top end of the connecting rope is fixedly connected with an annular structure.

Further, the annular structure is sleeved with the fixed shaft, the inner side of the annular structure is rotationally connected with balls, and meanwhile, a damping structure for controlling the rotational resistance of the balls is arranged in the annular structure.

Further, the inner side of the balancing weight is fixedly connected with a connecting block, and the connecting block is in threaded connection with notches at two sides of the swinging assembly;

the connecting blocks are magnetically connected with the notches on two sides of the swinging assembly.

The beneficial effects are that:

Through being equipped with photosensitive element, utilize swing subassembly to drive the connecting cable and together swing the time will pass through laser emitter when the swing, transiently cut off photosensitive element and receive laser and make it light with signal transmission to pilot lamp department, realize being convenient for discern current swing subassembly wobbling range to with corresponding data transmission carries out the effect of storage in the data processor.

Through being equipped with the counter, utilize the connecting cable to pass through the photosensitive element that is located swing chamber center department in with signal transmission to the counter in to make the count number value increase be convenient for carry out the record to the swing number of times, nevertheless the photosensitive element of swing chamber center department is in the state of cutting off for a long time in with the last numerical value transmission on the counter in data processor, realize counting to the swing number of times and carry out the effect of storing with final record.

Through being equipped with the swing subassembly, utilize its inside center pin that has the autogenous rotation ability and stay to drive the collection wheel and rotate to can twine unnecessary connecting rope or release connecting rope, thereby adjust the interval between swing subassembly and the fixed axle, realize carrying out the test effect to swing subassembly swing radian to the connecting rope of different length.

Through being equipped with the swing subassembly, utilize the notch of swing subassembly both sides can be connected with the balancing weight to the holistic weight of adjustable swing subassembly realizes testing the influence of swing subassembly to swing radian of different weights.

Through being equipped with annular structure, utilize the ball in the annular structure to cooperate with damping structure to adjust the coefficient of friction between ball and the fixed axle, realize the effect of test friction force to swing range influence.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic view of a partial explosion structure of the present utility model.

Fig. 3 is an enlarged schematic view of the structure of fig. 2a according to the present utility model.

Fig. 4 is a schematic view of a partial back view of the device board of the present utility model.

Fig. 5 is a schematic diagram of the swing assembly of the present utility model.

Fig. 6 is a schematic diagram showing a front sectional structure of the swing assembly of the present utility model.

In fig. 1 to 6, the correspondence between the component names and the reference numerals is:

1-base, 101-battery, 102-data processor, 2-cabinet, 201-swing chamber, 202-counter, 203-fixed axle, 204-swing subassembly, 205-pilot lamp, 206-photosensitive element, 207-mounting groove, 208-equipment board, 209-laser emitter, 210-spout, 211-plectrum, 212-locking piece, 213-collection wheel, 214-center pin, 215-connecting cable, 216-balancing weight.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

Examples

As shown in fig. 1 to 6:

The utility model provides a swing experiment machine, includes base 1, cabinet body 2, and cabinet body 2 installs in base 1 top, and cabinet body 2 is the setting of upper and lower wide shape, and the inside swing chamber 201 that has seted up of cabinet body 2 front end is open setting simultaneously, swing chamber 201 top center fixedly connected with fixed axle 203, and swing subassembly 204 has swing on the fixed axle 203. Meanwhile, a counter 202 is embedded in the inner wall of one side of the top of the swinging cavity 201, an indicator lamp 205 and a photosensitive element 206 are embedded in the inner wall of the bottom of the swinging cavity 201, a mounting groove 207 is formed in the inner wall of the front end of the indicator lamp 205, and a device board 208 is mounted in the mounting groove 207. The inside hollow structure that is of base 1, and the opening has been seted up to base 1 front end and swing joint has the closure door, and the inside one side fixedly connected with battery 101 of base 1, and the inside opposite side fixedly connected with data processor 102 of base 1. The interval between pilot lamp 205, photosensitive element 206 is 5, and the interval between pilot lamp 205, the photosensitive element 206 can be adjusted according to the demand of experimental accuracy, draws the angle indicator strip on the swing chamber 201 inner wall of pilot lamp 205 top simultaneously. The laser transmitters 209 are embedded in the inner wall of the inner side of the equipment board 208, the distance between the laser transmitters 209 is the same as that of the photosensitive element 206, and meanwhile, cables which are communicated with the storage battery 101 and the laser transmitters 209 are arranged in the equipment board 208.

In use, the base 1 is placed on a stable tabletop, so that the cabinet 2 is kept in a horizontal and vertical state, and then the power control switch of the storage battery is turned on to distribute power to the data processor 102 and the counter 202, the indicator light 205, the photosensitive element 206 and the laser transmitter 209 in the cabinet 2.

Before the experiment, the pulling block 211 moves in the sliding groove 210, so that the locking block 212 is moved to two sides of the top opening of the pulling assembly 204 by the connecting rod. At this time, the connecting cable 215 is released from the restriction and the connecting cable 215 is screwed onto the collecting wheel 213 under the elastic rotation of the central shaft 214 itself, thereby adjusting the interval between the swing assembly 204 and the fixed shaft 203, so as to observe and record the influence of the length of the connecting cable 215. Meanwhile, pulling down the swing assembly 204 after the lock piece 212 releases the restriction with the link cable 215 when it is necessary to lengthen the length of the link cable 215 will release the link cable 215 on the collection wheel 213, thereby increasing the interval between the swing assembly 204 and the stationary shaft 203.

According to the experimental requirement, the swinging assembly 204 is shifted to one side of the swinging cavity 201, and then the swinging assembly 204 is released, so that the swinging assembly 204 swings around the fixed shaft 203 as the center of a circle under the action of the connecting cable 215. However, the connecting cable 215 will advance one by one through each photosensitive element 206 in the oscillation cavity 201, and the laser transmitter 209, so that the connecting cable 215 will briefly cut off the beam of the laser transmitter 209 and cause the photosensitive elements 206 to lose the sense of the laser light. At this point, photosensitive element 206 transmits a signal into indicator light 205 to energize it, thereby facilitating identification of the amplitude of the current wobble assembly 204 wobble, and transmits corresponding data to data processor 102 for storage. At the same time, the connecting cable 215 transmits a signal to the counter 202 when passing through the photosensitive element 206 located at the center of the swing cavity 201, so that the counted number is increased to record the number of swings, while the photosensitive element 206 located at the center of the swing cavity 201 is in a cut-off state for a long time to transmit the value on the final counter 202 to the data processor 102.

Examples

As shown in fig. 5 to 6:

The swing assembly 204 is internally provided with a hollow cavity, the center of the top of the swing assembly 204 is provided with an opening, two sides of the opening are movably connected with locking blocks 212, the inside of the swing assembly 204 is rotationally connected with collecting wheels 213, two side walls of the swing assembly 204 are provided with sliding grooves 210, two sides of the sliding grooves 210 are provided with limiting grooves, the sliding grooves 210 are movably connected with shifting blocks 211, connecting rods are fixedly connected between the shifting blocks 211 and the locking blocks 212, two side outer walls of the swing assembly 204 are provided with notches, and two sides of the swing assembly 204 are movably connected with balancing weights 216. The center of the collecting wheel 213 is fixedly connected with a central shaft 214 with elastic rotation, and the collecting wheel 213 is wound with a connecting cable 215, and the connecting cable 215 extends out of the top opening of the swinging assembly 204.

When the experiment of the swing amplitude change aiming at the weight of different swing components 204 is needed, the balancing weights 216 can be spliced with the notches at the two sides of the swing components 204, the connecting blocks at the inner sides of the balancing weights 216 can be connected with the notches at the two sides of the swing components 204 through threads, and the connecting blocks can also be connected in a quick connection mode through the magnetic lamp, so that the weight of the swing components 204 can be increased or reduced conveniently.

Examples

As shown in fig. 2:

The top end of the connecting cable 215 is fixedly connected with an annular structure. The annular structure is sleeved with the fixed shaft 203, balls are rotatably connected to the inner side of the annular structure, and a damping structure for controlling the rotational resistance of the balls is arranged in the annular structure.

After studying the influence of the weight of the swing assembly 204 and the length of the connecting cable 215 on the swing amplitude of the swing assembly 204, a test experiment can be performed on the swing amplitude according to the friction coefficient between the annular structure at the top end of the connecting cable 2155 and the fixed shaft 203. The test of the swing radian under a specific state can be tested by combining the weight of the swing assembly 204, the length of the connecting cable 215 and the internal damping coefficient of the annular structure.

Working principle: in use, the base 1 is placed on a stable tabletop, so that the cabinet 2 is kept in a horizontal and vertical state, and then the power control switch of the storage battery is turned on to distribute power to the data processor 102 and the counter 202, the indicator light 205, the photosensitive element 206 and the laser transmitter 209 in the cabinet 2.

Claims

1. The utility model provides a swing experiment machine, includes base (1), cabinet body (2), its characterized in that: the cabinet body (2) is installed at the top of the base (1), the swinging cavity (201) is formed in the cabinet body (2), the center of the top of the swinging cavity (201) is connected with the fixed shaft (203), the swinging assembly (204) is movably connected to the fixed shaft (203), the counter (202) is embedded into the inner wall of one side of the top of the swinging cavity (201), the indicator lamp (205) and the photosensitive element (206) are embedded into the inner wall of the bottom of the swinging cavity (201), the mounting groove (207) is formed in the inner wall of the front end of the indicator lamp (205), and the equipment plate (208) is mounted in the mounting groove (207).

2. The swing experimental machine according to claim 1, wherein: the inside hollow structure that is of base (1), and opening and be equipped with the closed door have been seted up to base (1) front end, inside one side fixedly connected with battery (101) of base (1), and inside opposite side fixed connection data processor (102) of base (1).

3. The swing experimental machine according to claim 2, wherein: the storage battery (101) is connected with each electric equipment in the data processor (102) and the cabinet body (2).

4. The swing experimental machine according to claim 2, wherein: the data processor (102) is in signal connection with the counter (202), the indicator light (205) and the photosensitive element (206).

5. The swing experimental machine according to claim 1, wherein: the distance between the indicator lamp (205) and the photosensitive element (206) is 5 degrees, and an angle indicator strip is drawn on the inner wall of the swinging cavity (201) above the indicator lamp (205).

6. The swing experimental machine according to claim 1, wherein: the laser transmitters (209) are embedded in the inner wall of the inner side of the equipment board (208), and the distance between the laser transmitters (209) is the same as that between the photosensitive elements (206).

7. The swing experimental machine according to claim 1, wherein: the swinging component (204) is internally provided with a hollow cavity, the center of the top of the swinging component (204) is provided with an opening, meanwhile, two sides of the opening are movably connected with locking blocks (212), the swinging component (204) is internally provided with a collecting wheel (213), two side walls of the swinging component (204) are provided with sliding grooves (210), and limit grooves are formed in two sides of the sliding groove (210), simultaneously a shifting block (211) is movably connected in the sliding groove (210), a connecting rod is fixedly connected between the shifting block (211) and the locking block (212), notches are formed in the outer walls of two sides of the swinging assembly (204), and balancing weights (216) are movably connected on two sides of the swinging assembly (204).

8. The swing experimental machine according to claim 7, wherein: the center of the collecting wheel (213) is provided with a central shaft (214), the collecting wheel (213) is wound with a connecting rope (215), the connecting rope (215) extends out of an opening at the top of the swinging assembly (204), and the top end of the connecting rope (215) is fixedly connected with an annular structure.

9. The swing experimental machine according to claim 8, wherein: the annular structure is sleeved with the fixed shaft (203), the inner side of the annular structure is rotationally connected with balls, and meanwhile, a damping structure for controlling the rotational resistance of the balls is arranged in the annular structure.

10. The swing experimental machine according to claim 7, wherein: the inside fixedly connected with connecting block of balancing weight (216), and be equipped with quick connect structure between connecting block and swing subassembly (204) both sides notch.