CN216211777U

CN216211777U - Physical experiment device for motion speed measurement

Info

Publication number: CN216211777U
Application number: CN202122366621.XU
Authority: CN
Inventors: 杨笑菡
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-04-05
Anticipated expiration: 2031-09-28

Abstract

The utility model provides a physical experiment device for measuring the speed of movement, which belongs to the technical field of physical experiments and comprises a support frame, wherein a fixed plate is fixedly connected to one side of the upper surface of the support frame, a support plate is hinged to the upper surface of the fixed plate through a hinge, fixed blocks are fixedly connected to the front side surface and the rear side surface of the support plate, a cavity is formed in the lower surface of the fixed block, and a rack is fixedly connected to one side surface of the cavity. The device can automatically adjust the height potential energy of the substances on the moving sliding plate by adjusting the angle between the supporting plate and the supporting frame through the extension and retraction of the telescopic rod, has the function of automatically adjusting the moving height, and can drive the transmission shaft to rotate through the meshing transmission between the gear and the rack and the kinetic energy output by the miniature servo motor, so that the fixed frame can be driven to slide in the sliding groove, and the position of the speed measuring point of the speed measuring device can be automatically adjusted.

Description

Physical experiment device for motion speed measurement

Technical Field

The utility model belongs to the technical field of material resource experiments, and particularly relates to a physical experiment device for motion speed measurement.

Background

Physics is the discipline that studies the most general laws of motion and basic structure of matter. Therefore, in the process of learning physics, the motion law of the substance can be learned by a physical experiment device, wherein the motion speed measurement experiment device of the substance is a very common experiment device in a physical laboratory. The motion speed measurement experiment of the substance generally refers to the speed of the substance reaching the same place under different height potential energies, so that the relationship between the height potential energies and the speed can be calculated and summarized.

But present general motion speed measurement experimental apparatus neither has the function of automatically regulated experimental height, also can not the automatically regulated velometer the point of testing the speed, and more manual regulation that adopts leads to the manual regulation not accurate, influences the experimental result, also makes the experiment operation inconvenient, easily wastes more time in the experiment operation, reduces its availability factor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a physical experiment device for measuring the speed of movement, and aims to solve the problems that the function of automatically adjusting the experiment height is not available and the speed measurement of a speed measurer cannot be automatically adjusted in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a motion physical experiment device that tests speed, includes the support frame, one side fixedly connected with fixed plate of support frame upper surface, the upper surface of fixed plate articulates through the hinge has the backup pad, the equal fixedly connected with fixed block of the front and back both sides face of backup pad, the cavity has been seted up to the lower surface of fixed block, a side fixedly connected with rack of cavity, the spout has been seted up to the surface of fixed block, there is fixed frame the inside of spout through slider sliding connection, the lower surface of fixed frame passes through bearing fixedly connected with transmission shaft, the first pedestal of lower fixed surface fixedly connected with of backup pad, the inner wall of first pedestal passes through the little supporting block of loose axle fixedly connected with, the opposite side fixedly connected with second pedestal of support frame upper surface.

Furthermore, the upper surface of the supporting plate is fixedly connected with a placing frame, and the inner bottom wall of the placing frame is fixedly connected with a sport sliding plate.

Furthermore, one side of the upper surface of the sports sliding plate is fixedly connected with a baffle, and one side of the baffle is fixedly connected with a protective sponge cushion.

Furthermore, the upper surface of the fixed frame is fixedly connected with a velometer.

Furthermore, the transmission shaft is located the inside one end fixedly connected with gear of cavity, gear and rack mesh mutually with, the transmission shaft is located the outside one end of fixed frame and is provided with miniature servo motor.

Furthermore, a controller is fixedly installed on the upper surface of the supporting frame.

Furthermore, one side fixedly connected with riser of support frame upper surface, the last fixed surface of riser is connected with the protection sponge piece.

Furthermore, the inner wall of the second shaft frame is fixedly connected with a large supporting block through a sliding shaft, one side face of the large supporting block is fixedly connected with a telescopic rod, and the other end of the telescopic rod is fixedly connected to one side face of the small supporting block.

Compared with the prior art, the utility model has the beneficial effects that:

the physical experiment device for measuring the speed in the movement adjusts the angle between the supporting plate and the supporting frame through the extension and retraction of the telescopic rod, so that the height potential energy of a substance on the movement sliding plate can be automatically adjusted, the device has the function of automatically adjusting the movement height, then the transmission shaft can be driven to rotate through the meshing transmission between the gear and the rack and the kinetic energy output by the micro servo motor, so that the fixed frame can be driven to slide in the sliding chute, the speed measuring point position of the speed measuring device can be automatically adjusted, the height and the speed measuring point can be adjusted without manpower when the device performs speed measuring experiments under different height potential energies, the convenience of the experiment operation of the device is increased, the adjusting precision of the device is also increased, the accuracy of the experiment result is ensured, and the device has double speed measuring points, the speed detection of the same substance at different movement positions can be carried out, so that the use efficiency of the device is increased.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a rear view partially in section structural schematic of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a support frame; 2. a fixing plate; 3. a support plate; 4. a fixed block; 5. a cavity; 6. a rack; 7. a chute; 8. a fixing frame; 9. a drive shaft; 10. a first pedestal; 11. a small support block; 12. a second shaft frame; 13. placing the frame; 14. a sport skateboard; 15. a baffle plate; 16. a protective sponge cushion; 17. a velometer; 18. a gear; 19. a micro servo motor; 20. a controller; 21. a vertical plate; 22. a protective sponge block; 23. a large support block; 24. a telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a physical experimental apparatus tests speed in motion, which comprises a supporting rack 1, one side fixedly connected with fixed plate 2 of 1 upper surface of support frame, the upper surface of fixed plate 2 articulates through the hinge has backup pad 3, the equal fixedly connected with fixed block 4 of the front and back both sides face of backup pad 3, cavity 5 has been seted up to the lower surface of fixed block 4, a side fixedly connected with rack 6 of cavity 5, spout 7 has been seted up to the surface of fixed block 4, there is fixed frame 8 in the inside of spout 7 through slider sliding connection, bearing fixedly connected with transmission shaft 9 is passed through to the lower surface of fixed frame 8, the lower fixed surface of backup pad 3 is connected with primary shaft frame 10, the inner wall of primary shaft frame 10 passes through loose axle fixedly connected with little supporting block 11, the opposite side fixedly connected with secondary shaft frame 12 of 1 upper surface of support frame.

In the specific embodiment of the utility model, the angle between the support plate 3 and the support frame 1 is adjusted by the extension and retraction of the telescopic rod 24, so that the height potential energy of the substance on the moving sliding plate 14 can be automatically adjusted, then the micro servo motor 19 is started, the transmission shaft 9 can be driven to rotate by the kinetic energy output by the micro servo motor 19 through the meshing transmission between the gear 18 and the rack 6, so that the fixing frame 8 can be driven to slide in the chute 7, the speed measurement position of the speed measurer 17 on the fixing block 4 can be automatically adjusted, and finally, after the positions are properly adjusted, the substance to be measured in speed is placed at the highest end of the moving sliding plate 14, and the substance to be measured in speed freely slides in the placing frame 13 under the action of gravity, so that the speed measurement experiment under different height potential energies can be carried out on the substance.

Specifically, the upper surface of the supporting plate 3 is fixedly connected with a placing frame 13, and the inner bottom wall of the placing frame 13 is fixedly connected with a sport skateboard 14.

In this embodiment: the placing frame 13 can facilitate the speed measurement experiment of the material on the supporting plate 3; the movement of the material is maximally ensured by the movement of the slide 14 against the influence of friction.

Specifically, a baffle 15 is fixedly connected to one side of the upper surface of the sports skateboard 14, and a protective sponge cushion 16 is fixedly connected to one side of the baffle 15.

In this embodiment: the protective sponge cushion 16 and the baffle 15 can protect the sliding materials on the sports skateboard 14 to a certain extent.

Specifically, the upper surface of the fixed frame 8 is fixedly connected with a velometer 17.

In this embodiment: the speed measurer 17 can measure the speed of the substance at different heights at fixed points.

Specifically, one end of the transmission shaft 9, which is positioned inside the cavity 5, is fixedly connected with a gear 18, the gear 18 is meshed with the rack 6, and one end of the transmission shaft 9, which is positioned outside the fixed frame 8, is provided with a micro servo motor 19.

In this embodiment: through the meshing transmission between the gear 18 and the rack 6, the kinetic energy output by the micro servo motor 19 can drive the transmission shaft 9 to rotate.

Specifically, the controller 20 is fixedly mounted on the upper surface of the support frame 1.

In this embodiment: the operational state of the device can be automatically controlled by the controller 20.

Specifically, one side fixedly connected with riser 21 of support frame 1 upper surface, the last fixed surface of riser 21 is connected with protection sponge piece 22.

In this embodiment: the supporting plate 3 can be supported by the vertical plates 21 and the protective sponge blocks 22.

Specifically, the inner wall of the second shaft frame 12 is fixedly connected with a large supporting block 23 through a sliding shaft, one side surface of the large supporting block 23 is fixedly connected with a telescopic rod 24, and the other end of the telescopic rod 24 is fixedly connected to one side surface of the small supporting block 11.

In this embodiment: the angle between the supporting plate 3 and the supporting frame 1 is adjusted by the extension and contraction of the telescopic rod 24.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working principle and the using process of the utility model are as follows: when the physical experiment device for measuring the speed of the movement is used, the small supporting block 11 can flexibly move in the first shaft frame 10, the large supporting block 23 can flexibly move in the second shaft frame 12, so that the angle between the supporting plate 3 and the supporting frame 1 can be adjusted through the extension and retraction of the telescopic rod 24, the height potential energy of a substance on the movement sliding plate 14 can be automatically adjusted, then the micro servo motor 19 can be started according to the experiment requirement, the transmission shaft 9 can be driven to rotate through the meshing transmission between the gear 18 and the rack 6 and the kinetic energy output by the micro servo motor 19, so that the fixing frame 8 can be driven to slide in the sliding groove 7, the speed measuring position of the speed measurer 17 on the fixing block 4 can be automatically adjusted, and finally, after the positions are properly adjusted, the speed measuring substance is only required to be placed at the highest end of the movement sliding plate 14, the device can slide freely in the placing frame 13 under the action of gravity, and speed measurement experiments can be carried out on the device under different height potential energies; can play certain guard action to the gliding material on the motion slide 14 through baffle 15 and protection foam-rubber cushion 16, the device need reset backup pad 3 to horizontal position when no longer carrying out the experiment that tests the speed, can play supporting role to backup pad 3 through riser 21 and protection sponge piece 22 this moment, can automatic control the device's work running state through controller 20.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a physical experimental apparatus that moves speed measurement, includes support frame (1), its characterized in that: one side of the upper surface of the supporting frame (1) is fixedly connected with a fixed plate (2), the upper surface of the fixed plate (2) is hinged with a supporting plate (3) through a hinge, the front side surface and the rear side surface of the supporting plate (3) are fixedly connected with fixing blocks (4), a cavity (5) is arranged on the lower surface of the fixed block (4), a rack (6) is fixedly connected with one side surface of the cavity (5), the outer surface of the fixed block (4) is provided with a sliding chute (7), the inside of the sliding chute (7) is connected with a fixed frame (8) in a sliding way through a sliding block, the lower surface of the fixed frame (8) is fixedly connected with a transmission shaft (9) through a bearing, the lower surface of the supporting plate (3) is fixedly connected with a first shaft bracket (10), the inner wall of the first shaft bracket (10) is fixedly connected with a small supporting block (11) through a movable shaft, the other side of the upper surface of the support frame (1) is fixedly connected with a second shaft frame (12).

2. A physical experiment device for measuring motion speed according to claim 1, which is characterized in that: the upper surface of the supporting plate (3) is fixedly connected with a placing frame (13), and the inner bottom wall of the placing frame (13) is fixedly connected with a sport skateboard (14).

3. A physical experiment device for measuring motion speed according to claim 2, wherein: one side of the upper surface of the sport skateboard (14) is fixedly connected with a baffle (15), and one side surface of the baffle (15) is fixedly connected with a protective sponge mat (16).

4. A physical experiment device for measuring motion speed according to claim 1, which is characterized in that: and the upper surface of the fixed frame (8) is fixedly connected with a velometer (17).

5. A physical experiment device for measuring motion speed according to claim 1, which is characterized in that: the transmission shaft (9) is located one end fixedly connected with gear (18) inside cavity (5), gear (18) and rack (6) mesh mutually, the one end that transmission shaft (9) are located fixed frame (8) outside is provided with miniature servo motor (19).

6. A physical experiment device for measuring motion speed according to claim 1, which is characterized in that: the upper surface of the support frame (1) is fixedly provided with a controller (20).

7. A physical experiment device for measuring motion speed according to claim 1, which is characterized in that: one side fixedly connected with riser (21) of support frame (1) upper surface, the last fixed surface of riser (21) is connected with protection sponge piece (22).

8. A physical experiment device for measuring motion speed according to claim 1, which is characterized in that: the inner wall of the second shaft frame (12) is fixedly connected with a large supporting block (23) through a sliding shaft, one side face of the large supporting block (23) is fixedly connected with a telescopic rod (24), and the other end of the telescopic rod (24) is fixedly connected to one side face of the small supporting block (11).