Slope motion experimental equipment for physical experiment

Abstract

The utility model discloses slope motion experimental equipment for physical experiments, and relates to the technical field of physical experiments. The device comprises a base, a tachymeter and an experiment trolley, an experiment board is hinged to the base, the experiment trolley is movably arranged on the experiment board, an adjusting assembly is arranged on the base, and a positioning assembly is arranged at one end of the experiment board; the experimental trolley is pushed by the push plate to move and reset, the positioning block is turned over upwards through the extrusion force of the experimental trolley on the inclined surface of the positioning block, the reset spring drives the rotating plate to reset, and the positioning block is inserted into the positioning groove to fix the experimental trolley, so that the situation that the trolley needs to be manually moved and positioned can be avoided; therefore, the purpose of automatically resetting the trolley is achieved. The first threaded rod drives the sliding block to move in the first sliding groove, and the sliding block drives the supporting rod to move, so that the supporting rod supports the experiment plate and rotates along the hinged position, the inclination angle of the experiment plate can be conveniently adjusted, and the purpose of facilitating an experiment is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of physical experiments, in particular to slope motion experimental equipment for physical experiments. Background Art

[0002] Physics experiments are related experiments included in the physics courses in junior high and high school, including electrical experiments, mechanical experiments, thermal experiments, optical experiments, etc., which are often used to verify the laws and theorems of physics. In physics classes, experimental equipment is generally required to study the laws of slope motion.

[0003] The existing slope experiment equipment generally requires manual movement of the trolley and positioning it at the top of the slope. However, the experiment requires a large number of repeated experiments. Long-term manual operation by the teacher is not only laborious, but also prone to physical injury. Utility Model Content

[0004] In order to solve the problem that the trolley on the experimental equipment needs to be moved and positioned manually, the utility model aims to provide a slope motion experimental equipment for physical experiments.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: a slope motion experimental equipment for physical experiments, including a base, a speed meter and an experimental trolley, the base is hinged with an experimental board, the speed meter is fixedly installed on the experimental board, the experimental trolley is movably arranged on the experimental board, an adjustment component is arranged on the base, and a positioning component is arranged at one end of the experimental board; the positioning component includes a support plate, the support plate is fixedly installed at one end of the experimental board, a groove is provided at the top of the support plate, a rotating shaft is rotatably installed inside the groove, a rotating plate is fixedly provided on the outside of the rotating shaft, a positioning block is fixedly provided at one end of the rotating plate, a positioning groove is provided at the top of the experimental trolley, one end of the positioning block is movably inserted in the positioning groove, and a symmetrically distributed The reset spring presses one end of the rotating plate to make the rotating plate rotate along the rotating shaft, and the rotating plate drives the positioning block to move out of the positioning groove. At the same time, the rotating plate stretches the reset spring, so that the reset spring generates elastic force. At the same time, the experimental trolley moves on the experimental plate under the action of gravity, and the rotating plate is reset by the reset spring, so that the positioning block is inserted into the positioning groove to fix the experimental trolley. A fixing plate is fixedly provided on the side of the support plate close to the experimental trolley, and the bottom end of the reset spring is fixedly connected to the top end of the fixing plate. The reset spring can be conveniently installed through the fixing plate. The side of the positioning block away from the rotating plate is an inclined structure, which can facilitate the rotation of the positioning block. The top of the experimental plate is provided with symmetrically distributed guide grooves, and the roller of the experimental trolley is movably clamped inside the guide groove, and the movement of the experimental trolley is kept stable through the guide groove.

[0006] Preferably, the adjusting assembly includes a support rod, one end of the support rod is rotatably mounted on the bottom of the experimental board, a first slide groove is opened at the top of the base, a sliding block is provided inside the first slide groove, an end of the support rod away from the experimental board is rotatably mounted on the slider, a first threaded rod is rotatably mounted inside the first slide groove, one end of the first threaded rod is threadedly penetrated through the slider, and the slider is driven to move in the first slide groove by the first threaded rod, and the slider drives the support rod to move, so that the support rod props up the experimental board and rotates along the hinge, so that the inclination angle of the experimental board can be conveniently adjusted, a first motor is fixedly provided at one end of the base, an end of the output shaft of the first motor movably penetrates the base and is fixedly connected to one end of the first threaded rod, and the first motor can provide power for the rotation of the first threaded rod.

[0007] Preferably, a second slide groove is provided at the top of the experimental board, a push plate is provided for sliding inside the second slide groove, a second threaded rod is rotatably installed inside the second slide groove, one end of the second threaded rod is threadedly penetrated through the push plate, and the push plate is driven to move in the second slide groove by the second threaded rod, and the push plate pushes the experimental trolley to move and reset, a second motor is fixedly provided at one end of the experimental board, and an end of the output shaft of the second motor movably penetrates the experimental board and is fixedly connected to one end of the second threaded rod, and the second motor can provide power for the rotation of the second threaded rod.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] 1. The experimental trolley is pushed to move and reset by the push plate. At the same time, the positioning block is flipped upward by the extrusion force of the inclined surface of the experimental trolley on the inclined surface of the positioning block. The reset spring drives the rotating plate to reset, so that the positioning block is inserted into the positioning groove to fix the experimental trolley. This can avoid the situation where the trolley needs to be moved and positioned manually, thereby achieving the purpose of automatic reset of the trolley;

[0010] 2. The first threaded rod drives the slider to move in the first slide groove, and the slider drives the support rod to move, so that the support rod props up the experimental board and rotates along the hinge, so that the inclination angle of the experimental board can be easily adjusted, thereby achieving the purpose of facilitating the experiment. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the structure of the utility model.

[0013] Figure 2 for Figure 1 A is an enlarged view of the structure.

[0014] Figure 3 It is a schematic diagram of the structural section of the utility model.

[0015] In the figure: 1. base; 2. positioning assembly; 21. support plate; 22. groove; 23. rotating shaft; 24. rotating plate; 25. positioning block; 26. positioning groove; 27. reset spring; 28. fixed plate; 3. experimental board; 4. experimental trolley; 5. adjustment assembly; 51. support rod; 52. first slide groove; 53. slider; 54. first threaded rod; 55. first motor; 6. guide groove; 7. second slide groove; 8. push plate; 9. second threaded rod; 10. second motor; 11. speed meter. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] Example: Figure 1-3As shown, the utility model provides a slope motion experimental equipment for physical experiments, including a base 1, a speed meter 11 and an experimental trolley 4, the base 1 is hinged with an experimental board 3, the speed meter 11 is fixedly installed on the experimental board 3, the experimental trolley 4 is movably arranged on the experimental board 3, an adjusting component 5 is arranged on the base 1, and a positioning component 2 is arranged at one end of the experimental board 3; the positioning component 2 includes a supporting plate 21, the supporting plate 21 is fixedly installed at one end of the experimental board 3, a groove 22 is provided at the top of the supporting plate 21, a rotating shaft 23 is rotatably installed inside the groove 22, a rotating plate 24 is fixedly provided on the outer side of the rotating shaft 23, a positioning block 25 is fixedly provided at one end of the rotating plate 24, a positioning groove 26 is provided at the top of the experimental trolley 4, one end of the positioning block 25 is movably inserted in the positioning groove 26, and a symmetrically distributed reset spring 27 is fixedly provided on the lower surface of the rotating plate 24, and by pressing one end of the rotating plate 24, the The rotating plate 24 rotates along the rotating shaft 23, and the rotating plate 24 drives the positioning block 25 to move out of the positioning groove 26. At the same time, the rotating plate 24 stretches the reset spring 27, so that the reset spring 27 generates elastic force. At the same time, the experimental trolley 4 moves on the experimental plate 3 under the action of gravity, and the rotating plate 24 is reset by the reset spring 27, so that the positioning block 25 is inserted into the positioning groove 26 to fix the experimental trolley 4. A fixing plate 28 is fixedly provided on the side of the support plate 21 close to the experimental trolley 4. The bottom end of the reset spring 27 is fixedly connected to the top end of the fixing plate 28. The reset spring 27 can be conveniently installed through the fixing plate 28. The side of the positioning block 25 away from the rotating plate 24 is a slope structure, which can facilitate the rotation of the positioning block 25. The top of the experimental plate 3 is provided with symmetrically distributed guide grooves 6, and the roller of the experimental trolley 4 is movably clamped in the inside of the guide groove 6. The guide groove 6 keeps the movement of the experimental trolley 4 stable.

[0018] The adjusting assembly 5 includes a support rod 51, one end of which is rotatably mounted on the bottom of the experimental board 3, a first slide groove 52 is provided at the top of the base 1, a slider 53 is provided for sliding inside the first slide groove 52, one end of the support rod 51 away from the experimental board 3 is rotatably mounted on the slider 53, a first threaded rod 54 is rotatably mounted inside the first slide groove 52, one end of the first threaded rod 54 is threadedly penetrated through the slider 53, and the slider 53 is driven to move in the first slide groove 52 by the first threaded rod 54, and the slider 53 drives the support rod 51 to move, so that the support rod 51 props up the experimental board 3 and rotates along the hinge, which can facilitate the adjustment of the inclination angle of the experimental board 3, a first motor 55 is fixedly provided at one end of the base 1, and the end of the output shaft of the first motor 55 movably penetrates the base 1 and is fixedly connected to one end of the first threaded rod 54, and the first motor 55 can provide power for the rotation of the first threaded rod 54.

[0019] A second slide groove 7 is provided at the top of the experimental board 3, and a push plate 8 is provided inside the second slide groove 7 for sliding. A second threaded rod 9 is rotatably installed inside the second slide groove 7. One end of the second threaded rod 9 is threadedly penetrated through the push plate 8. The push plate 8 is driven by the second threaded rod 9 to move in the second slide groove 7. The push plate 8 pushes the experimental trolley 4 to move and reset. A second motor 10 is fixedly provided at one end of the experimental board 3. The end of the output shaft of the second motor 10 movably penetrates the experimental board 3 and is fixedly connected to one end of the second threaded rod 9. The second motor 10 can provide power for the rotation of the second threaded rod 9.

[0020] Working principle: First, start the first motor 55 to make the first motor 55 start working, the end of the output shaft of the first motor 55 drives the first threaded rod 54 to rotate, the first threaded rod 54 drives the slider 53 to move in the first slide groove 52, the slider 53 drives the support rod 51 to move, so that the support rod 51 props up the experimental board 3 and rotates along the hinge, so that the inclination angle of the experimental board 3 can be easily adjusted, so as to achieve the purpose of facilitating the experiment, then, press one end of the rotating plate 24 to make the rotating plate 24 rotate along the rotating shaft 23, the rotating plate 24 drives the positioning block 25 to move out of the positioning groove 26, and at the same time, the rotating plate 24 stretches the reset spring 27, so that the reset spring 27 generates elastic force, and at the same time, the experimental trolley 4 moves on the experimental board 3 under the action of gravity. The guide groove 6 is used to keep the experimental trolley 4 moving stably. Then, the speed of the experimental trolley 4 is detected by the speed meter 11. Then, the second motor 10 is started to make the second motor 10 start working. The end of the output shaft of the second motor 10 drives the second threaded rod 9 to rotate, and the second threaded rod 9 drives the push plate 8 to move in the second slide groove 7. The push plate 8 pushes the experimental trolley 4 to move and reset. At the same time, the squeezing force of the inclined surface of the experimental trolley 4 on the inclined surface of the positioning block 25 causes the positioning block 25 to flip upward, and the reset spring 27 drives the rotating plate 24 to reset, so that the positioning block 25 is inserted into the positioning groove 26 to fix the experimental trolley 4. This can avoid the situation where the trolley needs to be moved and positioned manually, thereby achieving the purpose of automatically resetting the trolley.

[0021] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A slope motion experimental device for physical experiments, comprising a base (1), a velocimeter (11) and an experimental vehicle (4), characterized in that: The base (1) is hinged with an experimental board (3), the speed meter (11) is fixedly mounted on the experimental board (3), the experimental trolley (4) is movably arranged on the experimental board (3), the base (1) is provided with an adjustment component (5), and one end of the experimental board (3) is provided with a positioning component (2); the positioning component (2) comprises a support plate (21), the support plate (21) is fixedly mounted on one end of the experimental board (3), a groove (22) is provided at the top end of the support plate (21), a rotating shaft (23) is rotatably mounted inside the groove (22), a rotating plate (24) is fixedly provided on the outer side of the rotating shaft (23), a positioning block (25) is fixedly provided at one end of the rotating plate (24), a positioning groove (26) is provided at the top end of the experimental trolley (4), one end of the positioning block (25) is movably inserted into the positioning groove (26), and a symmetrically distributed return spring (27) is fixedly provided on the lower surface of the rotating plate (24).

2. A slope motion experimental device for physical experiments as claimed in claim 1, characterized in that: The adjustment component (5) comprises a support rod (51), one end of which is rotatably mounted on the bottom of the experimental board (3); a first slide groove (52) is provided at the top of the base (1); a slider (53) is provided inside the first slide groove (52); one end of the support rod (51) away from the experimental board (3) is rotatably mounted on the slider (53); a first threaded rod (54) is rotatably mounted inside the first slide groove (52); one end of the first threaded rod (54) is threadedly inserted through the slider (53).

3. A slope motion experimental device for physical experiments as claimed in claim 1, characterized in that: A second slide groove (7) is provided at the top of the experimental board (3), a push plate (8) is slidably mounted inside the second slide groove (7), a second threaded rod (9) is rotatably mounted inside the second slide groove (7), and one end of the second threaded rod (9) is threadedly inserted through the push plate (8).

4. A slope motion experimental device for physical experiments as claimed in claim 1, characterized in that: A fixing plate (28) is fixedly provided on one side of the support plate (21) close to the experimental trolley (4), and the bottom end of the return spring (27) is fixedly connected to the top end of the fixing plate (28).

5. A slope motion experimental device for physical experiments as claimed in claim 1, characterized in that: The top of the experimental board (3) is provided with symmetrically distributed guide grooves (6), and the rollers of the experimental trolley (4) are movably clamped inside the guide grooves (6).

6. A slope motion experimental device for physical experiments as claimed in claim 2, characterized in that: A first motor (55) is fixedly provided at one end of the base (1), and an end portion of an output shaft of the first motor (55) movably passes through the base (1) and is fixedly connected to one end of the first threaded rod (54).

7. A slope motion experimental device for physical experiments as claimed in claim 3, characterized in that: A second motor (10) is fixedly provided at one end of the experimental board (3), and the end of the output shaft of the second motor (10) movably passes through the experimental board (3) and is fixedly connected to one end of the second threaded rod (9).

8. The slope motion experimental equipment for physical experiments as claimed in claim 1, characterized in that: The side of the positioning block (25) away from the rotating plate (24) is an inclined surface structure.

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