Balance force demonstration device
By designing a balance force demonstration device including an adjustment mechanism, a universal wheel and a traction mechanism, the experimental error problem caused by ground unevenness is solved, and a more accurate and vivid physical balance force display is achieved.
Patent Information
- Application Number
- CN202420002367.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-02
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-01-02
AI Technical Summary
The physical balance force demonstration device tilts due to uneven ground, resulting in experimental errors and inaccurate results.
A balance force demonstration device including a symmetrically arranged base plate, universal wheel, adjustment mechanism, support rod, demonstration table, bubble level, slide chute and traction mechanism is designed. The level of the bottom plate is adjusted through the adjustment mechanism, the stability of the demonstration table is ensured using universal wheels and support rods, and torque is generated through the traction mechanism and hook to demonstrate physical balance force.
By adjusting the level of the device, the accuracy of the experimental results is ensured, errors are reduced, and the demonstration ball slides in the chute through the traction mechanism and hook to show the physical balance force, and the results are more accurate and vivid.
Smart Images
Figure CN222562135U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of balance force demonstration, in particular to a balance force demonstration device. Background Art
[0002] Balanced forces are several forces acting on the same object. If the object remains or becomes stationary or in uniform linear motion, or the resultant force is zero, then the resultant force of these forces is zero. We say that these forces are balanced. Demonstration is the use of some means and tools to convey information to others. It is a behavioral way of conveying information. It is the process of using experiments or real objects and tools to show the process of things so that people can recognize or understand it.
[0003] Through observation, it is found that the physical balance force demonstration device may tilt due to the uneven ground, causing a large experimental error and making the result inaccurate. Therefore, a balance force demonstration device is proposed. Utility Model Content
[0004] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:
[0005] A balancing force demonstration device comprises symmetrically arranged base plates, two universal wheels are fixed on the bottom of the two base plates, adjustment mechanisms for adjusting the level are arranged on the two base plates and support rods are arranged on the tops of the two base plates, a demonstration platform is fixed to the other end of the support rod, a bubble level is fixedly installed on the side of the demonstration platform, a slide groove is provided on the demonstration platform and a demonstration ball slides in the slide groove, hooks are symmetrically arranged on the demonstration ball and a traction mechanism for traction the demonstration ball is hung on the hook.
[0006] Furthermore, the two hooks are threadedly connected to the demonstration ball.
[0007] Furthermore, the adjustment mechanism comprises a threaded sleeve penetrating and fixing the base plate, a leveling bolt is connected to the inner thread of the threaded sleeve, and a support foot is fixed to one end of the leveling bolt away from the threaded sleeve.
[0008] Furthermore, the traction mechanism comprises a traction ring suspended on the hook, a traction rope is fixed on the traction ring and a weight is hung on the traction rope.
[0009] Furthermore, fixed pulleys are symmetrically fixedly installed on the demonstration platform, and the traction rope passes through the fixed pulleys.
[0010] Furthermore, the support rod includes an outer rod fixed on the top of the base plate, an inner rod slides inside the outer rod, a connecting rod is fixed between the inner rods, the demonstration platform is fixed on the top of the inner rod, and a limiting mechanism for limiting the movement of the inner rod is provided between the outer rod and the inner rod.
[0011] Furthermore, the limiting mechanism includes a limiting block fixedly connected to the end of the outer rod, the outer wall of the limiting block is threadedly connected to a limiting cylinder, and the end of the limiting block away from the outer rod is fixedly connected to a ring-shaped array of limiting plates, and when the limiting cylinder is tightened, it contacts the limiting plate so that the limiting plate limits the movement of the inner rod.
[0012] The beneficial effects of the utility model are as follows:
[0013] 1. The utility model can adjust the levelness of the device through the adjustment mechanism on the bottom plate to ensure the levelness of the demonstration table, thereby ensuring the accuracy of the experimental results; the universal wheels fixed on the bottom plate can make the movement of the device more flexible and convenient without disassembling the entire device; the bubble level on the demonstration table can intuitively display the horizontal state of the demonstration table, which is convenient for the operator to make adjustments, thereby reducing errors and making the results accurate.
[0014] 2. The utility model provides a traction mechanism and a hook so that the demonstration ball can slide in the slide groove to generate a torque, thereby demonstrating the physical balance force in a more vivid way. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0016] Figure 2 This is a three-dimensional structural diagram of the adjustment mechanism of the utility model;
[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of the support rod and the limiting mechanism of the utility model;
[0018] Figure 4 This is a three-dimensional structural diagram of the traction mechanism of the utility model;
[0019] Figure numerals: 1. base plate; 2. universal wheel; 3. adjustment mechanism; 301. threaded sleeve; 302. leveling bolt; 303. support foot; 4. support rod; 401. outer rod; 402. inner rod; 403. connecting rod; 5. demonstration table; 501. slide groove; 6. bubble level; 7. demonstration ball; 8. hook; 9. traction mechanism; 901. traction ring; 902. traction rope; 903. weight; 904. fixed pulley; 10. limiting mechanism; 1001. limiting block; 1002. limiting cylinder; 1003. limiting plate. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model.
[0021] The present application provides a balance force demonstration device, which is mainly used to solve the problem that a physical balance force demonstration device may tilt due to uneven ground, resulting in large experimental errors and inaccurate results, and provides the following technical solutions, which will be described in detail below:
[0022] Embodiment 1:
[0023] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, in some embodiments, it includes a symmetrically arranged base plate 1, two universal wheels 2 are fixed at the bottom of the two base plates 1, adjustment mechanisms 3 for adjusting the level are arranged on the two base plates 1, and support rods 4 are arranged on the tops of the two base plates 1, a demonstration table 5 is fixed to the other end of the support rod 4, a bubble level 6 is fixedly installed on the side of the demonstration table 5, a slide groove 501 is opened on the demonstration table 5, and a demonstration ball 7 slides in the slide groove 501, hooks 8 are symmetrically arranged on the demonstration ball 7, and a traction mechanism 9 for traction of the demonstration ball 7 is hung on the hook 8; the adjustment mechanism 3 includes a threaded sleeve 301 that passes through the fixed base plate 1, a leveling bolt 302 is threadedly connected to the inner thread of the threaded sleeve 301, and a support foot 303 is fixed to the end of the leveling bolt 302 away from the threaded sleeve 301; two hooks 8 are threadedly connected to the demonstration ball 7.
[0024] Specifically: the adjustment mechanism 3 on the base plate 1 can adjust the level of the device to ensure the level of the demonstration table 5, thereby ensuring the accuracy of the experimental results; the universal wheel 2 fixed on the base plate 1 can make the movement of the device more flexible and convenient without disassembling the entire device; the bubble level 6 on the demonstration table 5 can intuitively display the horizontal state of the demonstration table 5, which is convenient for the operator to make adjustments, thereby reducing errors and making the results accurate.
[0025] The working principle here is: when it is necessary to use the balancing force demonstration device, first move the universal wheel 2 to a suitable place, and adjust the level of the device through the adjustment mechanism 3 on the base plate 1; the threaded sleeve 301 is fixed on the base plate 1, and there is a threaded leveling bolt 302 in the threaded sleeve 301; by rotating the leveling bolt 302, the height of the support leg 303 can be changed, thereby adjusting the level of the base plate 1; a support rod 4 is provided on the top of the base plate 1, and a demonstration platform 5 is fixed to the other end of the support rod 4; the support rod 4 plays the role of supporting the demonstration platform 5 to maintain the stability of the demonstration platform 5 ; A bubble level 6 is fixed on the side of the demonstration table 5 to detect the horizontal state of the demonstration table 5; the operator can judge whether the demonstration table 5 is horizontal according to the position of the bubble, and then adjust it, which is convenient for the operator to make adjustments, thereby reducing errors and making the results accurate; a slide groove 501 is provided on the demonstration table 5, and a demonstration ball 7 slides in the slide groove 501; hooks 8 are symmetrically arranged on the demonstration ball 7, and a traction mechanism 9 for pulling the demonstration ball 7 is hung on the hook 8; by applying force or torque to the traction mechanism 9, the position of the demonstration ball 7 can be changed to demonstrate the balance of the object and the effect of force. It should be noted that: the demonstration ball 7 is a hollow body structure, and the slide groove 501 is provided on the demonstration table 5, so that the influence of friction on the experiment can be reduced as much as possible.
[0026] like Figure 1 , Figure 4 As shown, in some embodiments, the traction mechanism 9 includes a traction ring 901 suspended on the hook 8, a traction rope 902 is fixed on the traction ring 901, and a weight 903 is hung on the traction rope 902; a fixed pulley 904 is symmetrically fixedly installed on the demonstration platform 5, and the traction rope 902 passes through the fixed pulley 904. The working principle here is: the traction ring 901 is suspended on the demonstration ball 7 through the hook 8, the traction rope 902 is fixed on the traction ring 901 and the weight 903 is hung; the fixed pulley 904 is symmetrically fixedly installed on the demonstration platform 5, and the traction rope 902 passes through the fixed pulley 904; the fixed pulley 904 is used to change the direction and size of the pulling force to ensure that the demonstration ball 7 Slide smoothly along the slide 501; when the weights 903 on both sides have the same mass, the demonstration ball 7 is in a stationary state. When the weights 903 on both sides have different masses, the demonstration ball 7 moves to the side with the larger mass of the weight 903. Then, add the weights 903 of the same mass to both ends of the traction line to make the demonstration ball 7 in a stationary state. Manually rotate the demonstration ball 7 horizontally 90 degrees, and then release the demonstration ball 7. It can be observed that the demonstration ball 7 is reset, the traction line is on the same straight line again, and the demonstration ball 7 returns to a stationary state. From this experiment, it is concluded that if two forces acting on the same object are equal in size, opposite in direction, and on the same straight line, the two forces are balanced with each other. It should be noted that a limiting block is fixedly installed at the bottom of the traction rope 902 to limit the weight 903 from falling.
[0027] Embodiment 2:
[0028] The solution in Example 1 is further introduced below in combination with a specific working method, as described below:
[0029] like Figure 1 , Figure 3 As shown, in some embodiments, the support rod 4 includes an outer rod 401 fixed to the top of the base plate 1, an inner rod 402 slides inside the outer rod 401, a connecting rod 403 is fixed between the inner rods 402, and a demonstration platform 5 is fixed on the top of the inner rod 402, and a limiting mechanism 10 for limiting the movement of the inner rod 402 is arranged between the outer rod 401 and the inner rod 402; the limiting mechanism 10 includes a limiting block 1001 fixedly connected to the end of the outer rod 401, a limiting cylinder 1002 is threadedly connected to the outer wall of the limiting block 1001, and a limiting plate 1003 of an annular array is fixedly connected to the end of the limiting block 1001 away from the outer rod 401, and when the limiting cylinder 1002 is tightened, it contacts the limiting plate 1003 so that the limiting plate 1003 limits the movement of the inner rod 402. The working principle here is : Before starting the experiment, according to the height requirements, adjust the connecting tube and the inner rod 402 to slide inside the outer rod 401 to a suitable height, and then, by tightening the limiting cylinder 1002, make the limiting plate 1003 contact with the inner rod 402 to limit the movement of the inner rod 402; in this way, the height of the demonstration platform 5 can be kept stable to prevent the change of the height of the demonstration platform 5 caused by external force. By properly adjusting the tightening degree of the limiting cylinder 1002, the limiting force of the limiting plate 1003 on the inner rod 402 can be controlled. A larger limiting force will more strictly limit the movement of the inner rod 402, while a smaller limiting force allows a certain degree of sliding of the inner rod 402; finally, after the height adjustment is completed, adjust the level according to the bubble level 6 to reduce errors and make the results accurate.
[0030] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A balance force demonstration device, comprising a symmetrically arranged bottom plate (1), characterized in that: Two universal wheels (2) are fixed at the bottom of the two base plates (1), adjustment mechanisms (3) for adjusting the level are arranged on the two base plates (1), and support rods (4) are arranged on the tops of the two base plates (1), a demonstration platform (5) is fixed at the other end of the support rod (4), a bubble level (6) is fixedly installed on the side of the demonstration platform (5), a slide groove (501) is provided on the demonstration platform (5), and a demonstration ball (7) slides in the slide groove (501), and hooks (8) are symmetrically arranged on the demonstration ball (7), and a traction mechanism (9) for traction of the demonstration ball (7) is suspended on the hook (8).
2. A balance force demonstration device according to claim 1, characterized in that: The two hooks (8) are threadedly connected to the demonstration ball (7).
3. A balance force demonstration device according to claim 1, characterized in that: The adjustment mechanism (3) comprises a threaded sleeve (301) penetrating and fixing the base plate (1); a leveling bolt (302) is connected to the inner thread of the threaded sleeve (301); and a support foot (303) is fixed to one end of the leveling bolt (302) away from the threaded sleeve (301).
4. A balance force demonstration device according to claim 1, characterized in that: The traction mechanism (9) comprises a traction ring (901) suspended on the hook (8), a traction rope (902) is fixed on the traction ring (901), and a weight (903) is suspended on the traction rope (902).
5. A balance force demonstration device according to claim 4, characterized in that: Fixed pulleys (904) are symmetrically fixedly mounted on the demonstration platform (5), and the traction rope (902) passes through the fixed pulleys (904).
6. A balance force demonstration device according to claim 1, characterized in that: The support rod (4) comprises an outer rod (401) fixed to the top of the base plate (1), an inner rod (402) slidingly arranged inside the outer rod (401), a connecting rod (403) fixed between the inner rods (402), the demonstration platform (5) fixed to the top of the inner rods (402), and a limiting mechanism (10) for limiting the movement of the inner rod (402) arranged between the outer rod (401) and the inner rod (402).
7. A balance force demonstration device according to claim 6, characterized in that: The limiting mechanism (10) comprises a limiting block (1001) fixedly connected to the end of the outer rod (401); the outer wall of the limiting block (1001) is threadedly connected to a limiting cylinder (1002); one end of the limiting block (1001) away from the outer rod (401) is fixedly connected to a limiting plate (1003) in an annular array; when the limiting cylinder (1002) is tightened, it contacts the limiting plate (1003) so that the limiting plate (1003) limits the movement of the inner rod (402).