Experimental device for studying non-toppling property of rod

Abstract

The utility model discloses an experimental device for studying the non-toppling property of a rod, which comprises a wooden base, a supporting frame body is fixedly arranged on the surface of the base, connecting rod mechanisms are arranged on the two sides of the supporting frame body, a swing plate is arranged in the middle of the supporting frame body, the two ends of the swing plate are respectively connected with the connecting rod mechanisms, and the connecting rod mechanisms are connected with the swing plate. A fixing rod is installed in the middle of the swing plate, a rotating shaft is installed on the top of the supporting frame through a supporting cross beam, the middle of the rotating shaft is sleeved with a swing rod in rotating fit with the rotating shaft, the bottom end of the swing rod is connected with the top face of the middle of the fixing rod through a spring, and the top end of the swing rod is detachably connected with a magnet. A steering engine is installed in the center of the bottom of the swing plate, a balancing weight is fixedly connected to a rocker arm of the steering engine, supporting stand columns are further arranged on the two sides of the supporting frame on the base, and an iron plate is installed between the two supporting stand columns. Compared with the traditional inverted pendulum experiment device, the inverted pendulum experiment device provided by the utility model has the advantages of controllable operation and higher precision.

Description

Technical Field

[0001] The utility model belongs to the technical field of physical experimental devices, and in particular relates to an experimental device used for studying the non-falling property of a rod. Background Art

[0002] Traditional inverted pendulum experimental setups often struggle to maintain stability when subjected to external wind forces. Currently, a trolley is attached to the bottom of the traditional inverted pendulum setup to mitigate wind interference, but this approach has many limitations. Furthermore, while the wind's point of application remains constant, we also need to investigate the relationship between the stability angle and wind speed. Therefore, based on the traditional inverted pendulum setup, we designed an experimental setup specifically for studying the stability of the rod. Utility Model Content

[0003] The technical problem to be solved by the present invention is to provide an experimental device for studying the unfallability of a pole in view of the above-mentioned deficiencies in the prior art, which has a simple structure, high experimental accuracy and high controllability in measurement operation.

[0004] The technical solution adopted by the present invention is: an experimental device for studying the non-falling property of a rod, comprising a wooden base, a support frame fixedly installed on the surface of the base, support shafts arranged along the width direction of the support frame are symmetrically provided on the top of both sides of the support frame, and both ends of the support shaft are fixedly connected to the side walls of the support frame through bearing seats, each support shaft is symmetrically sleeved with two connecting rods rotatably matched with the support shaft, and the connecting rods on the two support shafts correspond to each other one by one, a connecting shaft is provided between the bottom ends of the two connecting rods on the same support shaft, and the two ends of the connecting shaft are rotatably matched with the bottom ends of the connecting rod, a swing plate is provided in the middle of the support frame, and the two ends of the swing plate are respectively located above the connecting shaft, and a connecting seat rotatably matched with it is sleeved on the connecting shaft, and the top of the connecting seat The cam is fixedly connected to the bottom surface of the swing plate, and two fixing seats are installed in the middle of the swing plate along the width direction of the swing plate, and a fixing rod rotatably cooperated with the two fixing seats is sleeved between the two fixing seats, and two supporting beams are installed on the top of the support frame along its length direction, and a rotating shaft is connected between the two supporting beams through a rotating seat, and the rotating shaft corresponds to the fixed rod, and a rocker rod rotatably cooperated with it is sleeved in the middle of the rotating shaft, and the bottom center of the rocker rod is connected to the top surface of the middle of the fixed rod by a spring, and the top of the rocker rod is detachably connected to a magnet, and a steering gear is installed at the bottom center of the swing plate, and a counterweight is fixedly connected to the rocker arm of the steering gear. Support columns are also provided on both sides of the support frame on the base, and an iron plate is installed between the two supporting columns, and the iron plate is located above the top end of the rocker rod.

[0005] Preferably, angle sensors are installed at the center of gravity of the rocker arm and the center of the swing plate respectively, and the angle sensors are externally connected to a processor.

[0006] Preferably, the support frame, the rocker arm and the support column are made of aluminum.

[0007] Preferably, the rocker arm is an aluminum hollow square tube.

[0008] Preferably, the swing plate is made of an acrylic plate.

[0009] The beneficial effects of the present invention are:

[0010] (1) By setting up magnets and iron plates, electromagnetic damping is generated under the interaction between the magnets and the iron plates, so as to maintain the stability of the rod under the action of external wind. At the same time, the environmental damping can be changed during the swing of the pendulum, enriching the experimental functions.

[0011] (2) A spring is set to connect the swing plate and the swing rod to increase the flexibility of the system, thereby improving the accuracy of the experiment;

[0012] As an inverted pendulum experimental device, the utility model has controllable operation and higher precision compared with traditional inverted pendulum experimental devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the utility model;

[0014] Figure 2 It is a front view of the utility model;

[0015] Figure 3 This is a partial view of the support frame of the present invention.

[0016] In the figure: 1. Base; 2. Support frame; 3. Support shaft; 4. Bearing seat; 5. Connecting rod; 6. Connecting shaft; 7. Swing plate; 8. Connecting seat; 9. Fixed seat; 10. Fixed rod; 11. Support beam; 12. Rotating shaft; 13. Rocker arm; 14. Spring; 15. Magnet; 16. Support column; 17. Iron plate; 18. Servo; 19. Counterweight. DETAILED DESCRIPTION

[0017] The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0018] Example

[0019] like Figure 1 、 Figure 2 and Figure 3As shown, the experimental device for studying the infallibility of a pole provided in this embodiment comprises a wooden base 1, on the surface of which an aluminum support frame 2 is fixedly mounted. In this embodiment, bearing seats 4 are respectively mounted on the tops of the left and right sides of the support frame 2, and a bearing seat 4 is respectively mounted on the front and rear of the support frame 2 on the same side. The two bearing seats 4 on the same side of the support frame 2 correspond to each other, and a support shaft 3 is mounted between the two bearing seats 4. The two ends of the support shaft 3 are rotatably matched with the bearing seats 4; each support shaft 3 is symmetrically Two connecting rods 5 are provided, and circular rings are formed at the top and bottom ends of the connecting rods 5 respectively. The circular rings match the support shaft 3. The two connecting rods 5 are symmetrically set at the midpoint of the support shaft 3, and the connecting rods 5 are rotatably matched with the support shaft 3 through the circular rings. The connecting rods 5 installed on the support shafts 3 on the left and right sides correspond to each other. A connecting shaft 6 is set between the circular rings at the bottom ends of the two connecting rods 5 on the same support shaft 3, and the two ends of the connecting shaft 6 are rotatably matched with the circular rings at the bottom ends of the connecting rods 5; that is, the connecting rod 5 mechanism is formed by the support shaft 3, the connecting rod 5 and the connecting shaft 6;

[0020] A swing plate 7 is provided in the middle of the support frame 2. The swing plate 7 is made of an acrylic plate, and the center of the swing plate 7 is on the same vertical line as the center of the support frame 2. The two ends of the swing plate 7 are respectively located above the connecting shaft 6 on both sides of the support frame 2, and connecting seats 8 are fixedly installed on the front and rear of the bottom surfaces of both ends of the swing plate 7. The two ends of the connecting shaft 6 are sleeved in the connecting seats 8, and the two ends of the connecting shaft 6 are rotatably matched with the connecting seats 8; that is, the swing plate 7 can swing left and right in the support frame 2 through the connecting rod 5 mechanism;

[0021] Two fixing seats 9 are installed in the middle of the swing plate 7 along the width direction of the swing plate 7, and a fixing rod 10 that rotates with the two fixing seats 9 is installed between the two fixing seats 9. Two supporting beams 11 are installed on the top of the support frame 2 along its length direction. A rotating shaft 12 is connected between the two supporting beams 11 through a rotating seat. The rotating shaft 12 corresponds to the fixing rod 10. An aluminum swing rod 13 that rotates with it is sleeved in the middle of the rotating shaft 12. The lower quarter of the swing rod 13 is connected to the rotating shaft 12. The bottom end of the swing rod 13 is connected to the top center of the fixing rod 10 through a spring 14. The top of the swing rod 13 is detachably connected to a magnet 15, and multiple magnets 15 can be vertically stacked upward according to actual needs;

[0022] A steering gear 18 is installed at the bottom center of the swing plate 7, and a counterweight 19 is fixedly connected to the rocker arm of the steering gear 18. In this embodiment, the counterweight 19 is a rectangular iron sheet with a length of 10 cm, a width of 2 cm, and a thickness of 0.5 cm.

[0023] Aluminum support columns 16 are provided on both sides of the support frame on the base 1. An iron plate 17 is installed between the two support columns 16. The iron plate 17 is located above the top of the pendulum rod 13, and the center of the iron plate 17 is on the same vertical line as the center of the pendulum rod 13 after it is upright.

[0024] Angle sensors are respectively installed at the center of gravity of the pendulum rod 13 and the center of the swing plate 7, and the angle sensors are externally connected to a processor.

[0025] The utility model works through the servo 18 to drive the counterweight 19 to swing, thereby driving the swing plate 7 to swing, and then changing the movement of the bottom end of the swing rod. The spring 14 connects the swing rod and the swing plate 7. When the swing plate 7 drives the swing rod to swing, it provides a restoring force for the swing rod. At the same time, there is a magnetic force between the magnet 15 at the top of the swing rod and the iron plate 17 above it. Therefore, when the magnet 15 swings with the swing rod, the magnetic force of the magnet 15 and the iron plate 17 produces a damping effect, which plays a role in stabilizing the swing rod.

[0026] The above is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any modification and replacement based on the technical solution and utility model concept provided by the present invention should be included in the protection scope of the present invention.

Claims

1. An experimental device for studying the stability of a pole, characterized by: The invention comprises a wooden base (1), a support frame (2) is fixedly mounted on the surface of the base (1), support shafts (3) are symmetrically arranged on the top of both sides of the support frame (2) along the width direction of the support frame (2), and both ends of the support shaft (3) are fixedly connected to the side wall of the support frame (2) through a bearing seat (4), and two connecting rods (5) are symmetrically sleeved on each support shaft (3) and are rotatably matched with the support shaft (3), and the connecting rods (5) on the two support shafts (3) correspond to each other and are located A connecting shaft (6) is provided between the bottom ends of the two connecting rods (5) on the same supporting shaft (3), and both ends of the connecting shaft (6) are rotatably matched with the bottom ends of the connecting rods (5). A swing plate (7) is provided in the middle of the supporting frame (2), and both ends of the swing plate (7) are respectively located above the connecting shaft (6). A connecting seat (8) rotatably matched with the connecting shaft (6) is sleeved on the connecting shaft (6), and the top of the connecting seat (8) is fixedly connected to the bottom surface of the swing plate (7). The middle of the swing plate (7) is along the swing plate (7). Two fixing seats (9) are installed in the width direction, and a fixing rod (10) is sleeved between the two fixing seats (9) and is rotatably matched with the fixing rods. Two supporting beams (11) are installed on the top of the support frame (2) along its length direction. A rotating shaft (12) is connected between the two supporting beams (11) through a rotating seat. The rotating shaft (12) corresponds to the fixing rod (10). A swing rod (13) is sleeved in the middle of the rotating shaft (12) and is rotatably matched with the fixing rod (10). The bottom center of the swing rod (13) is The top surface of the middle portion of the fixed rod (10) is connected to the base (13) via a spring (14). The top end of the swing rod (13) is detachably connected to a magnet (15). A steering gear (18) is installed at the bottom center of the swing plate (7). A counterweight (19) is fixedly connected to the rocker arm of the steering gear (18). Support columns (16) are also provided on both sides of the support frame on the base (1). An iron plate (17) is installed between the two support columns (16). The iron plate (17) is located above the top end of the swing rod (13).

2. The experimental device for studying the stability of a pole according to claim 1, characterized in that: Angle sensors are respectively installed at the center of gravity of the swing rod (13) and the center of the swing plate (7), and the angle sensors are externally connected to a processor.

3. The experimental device for studying the stability of a pole according to claim 2, characterized in that: The support frame (2), the swing rod (13) and the support column (16) are made of aluminum.

4. The experimental device for studying the stability of a pole according to claim 3, characterized in that: The swing rod (13) is an aluminum hollow square tube.

5. The experimental device for studying the stability of a pole according to claim 1, characterized in that: The swing plate (7) is made of an acrylic plate.

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