Mechanical experiment platform

Abstract

The utility model provides a mechanics experiment platform, and belongs to the technical field of experiment teaching aids. The teaching aid solves the problem that students cannot see the teaching aid when the teacher uses the teaching aid for teaching at present. The mechanics experiment platform comprises a supporting base and a plurality of demonstration devices used for demonstrating physical experiments, a supporting device used for supporting the demonstration devices is arranged on one face of the supporting base, a magnetic attraction device used for being attracted to a blackboard is arranged on the other face of the supporting base, and a supporting plate used for allowing the supporting base to stand is arranged on one side of the supporting base. The teaching aid has the advantages of being capable of being adsorbed on a blackboard to carry out various mechanics experiment demonstrations and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of experimental teaching aids, and particularly relates to a mechanics experimental platform. Background Art

[0002] In modern education, physics is a very important subject, and physics teachers often use experiments to teach in class. This teaching method can not only transform book knowledge into specific practice, but also improve students' learning efficiency and enable students to better understand the knowledge.

[0003] The existing mechanical experiment device needs to be placed on the table before the experiment can be carried out. During the teaching process, students in the back row may not be able to see it, and the teacher cannot pick up the mechanical experiment device to carry out the experiment, which may cause errors in the experiment. Summary of the invention

[0004] The purpose of the utility model is to provide a mechanical experiment platform in view of the above problems existing in the prior art.

[0005] The purpose of the utility model can be achieved through the following technical solutions: a mechanical experiment platform, characterized in that it includes a support base and a plurality of demonstration devices for demonstrating physical experiments, one side of the support base is provided with a support device for supporting the demonstration device, the other side of the support base is provided with a magnetic device for adsorbing on a blackboard, and one side of the support base is provided with a support plate for the support base to stand.

[0006] The working principle of the utility model: when teaching, the teacher can adsorb the support base on the blackboard through the magnetic suction device, so that all students can see the experimental phenomena. Different demonstration devices can be installed through the support device to demonstrate different physical experiments, such as installing force arm discs, lever scales, Hooke's law sleeves and other teaching aids, which is convenient for teachers to teach. When giving students close-up experiments, they can stand directly on the desktop through the support plate to conduct experiments, which is convenient and quick.

[0007] In the above-mentioned mechanical experiment platform, the magnetic attraction device includes a plurality of magnetic attraction blocks arranged on one side of the support base.

[0008] In the above-mentioned mechanical experimental platform, the supporting device includes two supporting pipes and a plurality of supporting rods arranged on the supporting base, the supporting pipes are arranged perpendicular to the supporting base, and the supporting rods are detachably connected to the supporting pipes.

[0009] In the above-mentioned mechanical experiment platform, through holes are arranged on the side walls of the two supporting pipes, and the through holes are used for installing the supporting rods.

[0010] In the above-mentioned mechanical experiment platform, the support rod is provided with a connecting tube, the connecting tube is provided with at least two hook rings and a connecting plate, and the connecting plate is provided with an adjustment installation groove.

[0011] In the above-mentioned mechanical experiment platform, the support rod is provided with a threaded hole, and the connecting pipe is provided with a clearance hole for the threaded member to pass through. The threaded member passes through the threaded hole and the clearance hole to fix the connecting pipe.

[0012] In the above-mentioned mechanical experimental platform, the demonstration device includes a reading steel ruler, a demonstration spring and a reading clip. The reading steel ruler is connected to the connecting plate through an adjustment mounting groove. Guard plates are vertically arranged on both sides of the connecting plate. The guard plates are used to prevent the reading steel ruler from moving. The reading steel ruler is provided with a round hole close to one side of the connecting plate. The threaded part passes through the adjustment mounting groove and the round hole and fixes the reading steel ruler. One end of the demonstration spring is connected to the reading clip, and the other end of the demonstration spring is provided with a first hook for connecting a hook ring. The reading clip is provided with a third hook for installing a weight.

[0013] In the above-mentioned mechanical experiment platform, the demonstration device includes a plurality of pulley assemblies, and second hooks are provided at both ends of the pulley assemblies, and the second hooks are used to connect the hook rings or weights.

[0014] In the above-mentioned mechanical experiment platform, the demonstration device includes a lever arm disc, the lever arm disc is provided with a first rotating hole and a scale, and the lever arm disc is rotatably connected to the support rod through the rotating hole.

[0015] In the above-mentioned mechanical experimental platform, the demonstration device also includes a lever scale, which is provided with a second rotating hole, at least two sliders, adjusting studs and scale sizes arranged at both ends of the lever scale. The lever scale is rotatably connected to the support rod through the second rotating hole, and the slider can slide along the length direction of the lever scale. The slider is provided with a first hanging hole for hanging weights, and the adjusting stud is threadedly connected with an adjusting nut. Second hanging holes for connecting a dynamometer are also provided on both sides of the lever scale.

[0016] Compared with the prior art, the utility model has the advantage of being able to be adsorbed on a blackboard, making it convenient for students to observe experimental phenomena. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a structural schematic diagram of the support base of the utility model.

[0019] Figure 3 It is a structural schematic diagram of the back side of the supporting base plate of the utility model.

[0020] Figure 4 It is a structural schematic diagram of the utility model for installing a lever arm disc.

[0021] In the figure, 1. support base; 2. demonstration device; 3. support device; 4. magnetic device; 5. support pipe; 6. support rod; 7. support plate; 8. connecting pipe; 9. hook ring; 10. connecting plate; 11. adjustment installation slot; 13. clearance hole; 14. reading steel ruler; 15. demonstration spring; 16. reading clip; 17. guard plate; 18. round hole; 19. first hook; 20. pulley assembly; 21. second hook; 22. lever arm plate; 23. first rotating hole; 24. scale; 25. lever scale; 26. second rotating hole; 27. slider; 28. adjustment stud; 29. ​​scale size; 30. first hanging hole; 31. second hanging hole; 32. magnetic block; 33. through hole; 34. third hook. DETAILED DESCRIPTION

[0022] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0023] like Figure 1-Figure 4 As shown, the mechanics experiment platform includes a support base 1 and a plurality of demonstration devices 2 for demonstrating physical experiments. A support device 3 for supporting the demonstration device 2 is provided on one side of the support base 1, a magnetic device 4 for adsorbing on a blackboard is provided on the other side of the support base 1, and a support plate 7 for the support base 1 to stand is provided on one side of the support base 1.

[0024] In further details, the magnetic device 4 includes a plurality of magnetic blocks 32 disposed on one side of the support base 1 , and the support base 1 can be stably adsorbed on the blackboard through the magnetic blocks 32 .

[0025] To further elaborate, the support device 3 includes two support pipes 5 and a plurality of support rods 6 arranged on the support base 1. The support pipes 5 are arranged perpendicular to the support base 1. The support rods 6 are detachably connected to the support pipes 5. Reinforcing ribs are arranged on the side walls of the support pipes 5 to increase the strength of the support pipes 5 and ensure that the support pipes 5 can support the demonstration device 2 without being damaged. At the same time, the support rods 6 and the support pipes 5 can be fixed by mortise and tenon joints or by screws.

[0026] To elaborate further, through holes are provided on the side walls of the two supporting pipes 5 for installing the supporting rods 6. This arrangement is used to install the demonstration device 2 between the two supporting pipes 5 for easy display to students.

[0027] To elaborate further, a connecting tube 8 is sleeved on the support rod 6, and the connecting tube 8 is provided with at least two hook rings 9 and a connecting plate 10, and the connecting plate 10 is provided with an adjustment installation groove 11, and the connecting tube 8 is used to connect the demonstration device 2, and the adjustment installation groove 11 is in a long strip shape, which can adjust the installation position of the demonstration device 2.

[0028] To be more specific, a threaded hole is provided on the support rod 6, and a clearance hole 13 is provided on the connecting tube 8 for the threaded member to pass through. The threaded hole through which the threaded member passes and the clearance hole 13 fix the connecting tube 8. This setting is used to fix the connecting tube 8 to prevent the demonstration device 2 from moving during the demonstration, thereby causing data errors.

[0029] To further explain, the demonstration device 2 includes a reading steel ruler 14, a demonstration spring 15 and a reading clip 16. The reading steel ruler 14 is connected to the connecting plate 10 through an adjusting mounting groove 11. Guard plates 17 are vertically arranged on both sides of the connecting plate 10. The guard plates 17 are used to prevent the reading steel ruler 14 from moving. The reading steel ruler 14 is arranged near a side of the connecting plate 10 and is provided with a round hole 18. The screw member passes through the adjusting mounting groove 11 and the round hole 18 and fixes the reading steel ruler 14. One end of the demonstration spring 15 is connected to the reading clip 16, and the other end of the demonstration spring 15 is provided with a first hook 19 for connecting the hook ring 9. The reading clip 16 is provided with a third hook 34 for installing a weight. The demonstration teaching aid is used to demonstrate Hooke's law. The reading steel ruler 14 is first fixed, and the distance the spring is pulled is read by hanging a weight on the first hook 19. The reading clip 16 is provided to increase the accuracy of the reading.

[0030] In further detail, the demonstration device 2 includes a plurality of pulley assemblies 20, both ends of which are provided with second hooks 21, the second hooks 21 are used to connect the hook rings 9 or weights, and the demonstration teaching aids are used to demonstrate experiments related to fixed pulleys and movable pulleys in mechanics.

[0031] To further explain, the demonstration device 2 includes a force arm disk 22, which is provided with a first rotating hole 23 and a scale 24. The force arm disk 22 is rotatably connected to the support rod 6 through the rotating hole. The demonstration device 2 also includes a lever scale 25, which is provided with a second rotating hole 26, at least two sliders 27, and an adjusting stud 28 and a scale size 29 arranged at both ends of the lever scale 25. The lever scale 25 is rotatably connected to the support rod 6 through the second rotating hole 26. The slider 27 can slide along the length direction of the lever scale 25. The slider 27 is provided with a first hanging hole 30 for hanging weights, and the adjusting stud 28 is threadedly connected with an adjusting nut. Second hanging holes 31 for connecting a dynamometer are also provided on both sides of the lever scale 25. This structure is used to demonstrate lever experiments. The demonstration device 2 can demonstrate force arms in different directions, and at the same time, different values ​​of lever mechanics demonstrations can be performed through the slider 27.

[0032] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0033] Although a large number of terms are used in this article, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A mechanical experiment platform, characterized in that: The invention comprises a support base (1) and a plurality of demonstration devices (2) for demonstrating physical experiments, wherein one side of the support base (1) is provided with a support device (3) for supporting the demonstration device (2), the other side of the support base (1) is provided with a magnetic attraction device (4) for magnetic attraction on a blackboard, and one side of the support base (1) is provided with a support plate (7) for the support base (1) to stand.

2. A mechanical experiment platform according to claim 1, characterized in that: The magnetic attraction device (4) comprises a plurality of magnetic attraction blocks (32) arranged on one side of the support base (1).

3. A mechanical experiment platform according to claim 2, characterized in that: The support device (3) comprises two support pipes (5) and a plurality of support rods (6) arranged on the support base (1); the support pipes (5) are arranged perpendicular to the support base (1); and the support rods (6) are detachably connected to the support pipes (5).

4. A mechanical experiment platform according to claim 1, characterized in that: Through holes (33) are provided on the side walls of the two support pipes (5), and the through holes (33) are used for mounting the support rods (6).

5. A mechanical experiment platform according to claim 3, characterized in that: The support rod (6) is sleeved with a connecting tube (8), the connecting tube (8) is provided with at least two hook rings (9) and a connecting plate (10), and the connecting plate (10) is provided with an adjustment installation groove (11).

6. A mechanical experiment platform according to claim 5, characterized in that: The support rod (6) is provided with a threaded hole, and the connecting pipe (8) is provided with a clearance hole (13) for the threaded member to pass through. The threaded member passes through the threaded hole and the clearance hole (13) to fix the connecting pipe (8).

7. A mechanical experiment platform according to claim 6, characterized in that: The demonstration device (2) comprises a reading steel ruler (14), a demonstration spring (15) and a reading clip (16); the reading steel ruler (14) is connected to the connecting plate (10) via an adjustment mounting groove (11); guard plates (17) are vertically arranged on both sides of the connecting plate (10); the guard plates (17) are used to prevent the reading steel ruler (14) from moving; a round hole (18) is arranged on one side of the reading steel ruler (14) close to the connecting plate (10); a screw member passes through the adjustment mounting groove (11) and the round hole (18) to fix the reading steel ruler (14); one end of the demonstration spring (15) is connected to the reading clip (16); the other end of the demonstration spring (15) is provided with a first hook (19) for connecting a hook ring (9); and the reading clip (16) is provided with a third hook (34) for installing a weight.

8. A mechanical experiment platform according to claim 6, characterized in that: The demonstration device (2) comprises a plurality of pulley assemblies (20), and both ends of the pulley assemblies (20) are provided with second hooks (21), and the second hooks (21) are used to connect the hook rings (9) or weights.

9. A mechanical experiment platform according to claim 6, characterized in that: The demonstration device (2) comprises a force arm disc (22), wherein the force arm disc (22) is provided with a first rotation hole (23) and a scale (24), and the force arm disc (22) is rotatably connected to a support rod (6) via the rotation hole.

10. A mechanical experiment platform according to claim 6, characterized in that: The demonstration device (2) further comprises a lever scale (25), wherein the lever scale (25) is provided with a second rotation hole (26), at least two sliders (27), adjustment studs (28) and scale dimensions (29) arranged at both ends of the lever scale (25), wherein the lever scale (25) is rotatably connected to the support rod (6) via the second rotation hole (26), wherein the slider (27) is capable of sliding along the length direction of the lever scale (25), wherein a first hanging hole (30) for hanging a weight is provided on the slider (27), an adjustment nut is threadedly connected to the adjustment stud (28), and second hanging holes (31) for connecting a dynamometer are also provided on both sides of the lever scale (25).

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