CN203982638U - Physics inclined-plane exercise test analogue means - Google Patents

Abstract

The utility model discloses a physical inclined plane motion test simulation device, which comprises a pair of parallel brackets, a base is arranged above the bracket, a support wedge is arranged above the base, a stop slider is arranged on the left side of the support wedge, and a stop slider is arranged on the left side of the support wedge. The block is provided with fixing bolts; the right side wall of the base is connected with the lower pulley bracket, and the lower pulley bracket is provided with the lower pulley; the upper right corner of the base is provided with a hinge, and the hinge is connected with a sliding cavity, and the bottom surface of the left part of the sliding cavity is placed on the support On the inclined platform of the wedge; the bottom of the sliding cavity is provided with a lower roller bracket and an upper roller bracket, and the upper ends of the lower roller bracket and the upper roller bracket are respectively equipped with a lower roller and an upper roller, and the lower roller and the upper roller A conveyor belt is connected to the wheel, the upper part of the conveyor belt is a smooth surface conveyor belt, and the lower part is a rough surface conveyor belt. The device of the utility model is convenient for carrying out experiments on various inclined planes as required, helps to understand concepts about motion in physics, is convenient to use, and has strong operability.

Description

Physical slope motion test simulator

technical field

The utility model relates to a physical inclined plane motion test simulation device, which belongs to the technical field of physics.

Background technique

At present, most junior high school and high school physics courses have inclined plane motion tests, requiring students to complete the test according to the requirements, statistical data, and analyze the data to get the results. It is a piece of wood, a trolley, and a weight, etc., and the slope of the wood needs to be fixed and set with items, which greatly increases the complexity of the test. Not only does the test take a long time, but also because the test device is too simple, the students' test results The deviation of the data is large, and it is impossible for students to deeply understand the function of this test, and the effect is poor. For this, it needs to be improved in order to better solve the physical inclined plane test.

Contents of the invention

The purpose of the utility model is to provide a physical inclined plane motion test simulation device, so as to better help simulate the inclined plane motion test, and facilitate the understanding of physical concepts.

The technical solution adopted by the utility model to solve the technical problem is: a physical inclined plane motion test simulation device, including a pair of parallel supports, a base is arranged above the support, a supporting wedge is arranged above the base, and the left side of the supporting wedge is arranged There is a stop slider, and a fixing bolt is arranged on the stop slider; a lower pulley bracket is connected to the right side wall of the base, and a lower pulley is arranged on the lower pulley bracket; a hinge is arranged on the upper right corner of the base, and a sliding cavity is connected to the hinge. The bottom surface of the left part of the sliding chamber is placed on the inclined platform supporting the wedge; the bottom of the sliding chamber is provided with a lower roller bracket and an upper roller bracket, and the upper ends of the lower roller bracket and the upper roller bracket are respectively provided with a lower roller and an upper roller bracket. The roller, the lower roller and the upper roller are connected with a conveyor belt, the upper part of the conveyor belt is a smooth surface conveyor belt, and the lower part is a rough surface conveyor belt; the test object is placed on the smooth surface conveyor belt; the right side of the test object is connected with a traction line, the traction line The other end goes around the lower pulley and is attached to a weight.

Further, fastening bolts are provided on the left side of the upper roller, and the fastening bolts pass through the surface of the upper roller to connect with the central axis of the upper roller.

Further, the upper right end of the sliding cavity is provided with a stop post.

Further, a pointing column is connected to the test block.

Further, an upper pulley bracket is connected to the right side of the sliding cavity, and an upper pulley is arranged on the upper pulley bracket, and the upper pulley is arranged opposite to the lower pulley.

Further, the side wall of the sliding cavity is made of transparent glass material, which is convenient for observing the movement of the test block in the sliding cavity.

In this device, according to the test requirements, loosen the fastening bolts, rotate the upper roller or the lower roller, so that the rough surface conveyor belt or the smooth surface conveyor belt is on the upper part, and then fix the fastening bolts to fix the conveyor belt. Adjust the inclination of the sliding cavity according to the test requirements. The inclination of the sliding cavity can be adjusted by moving the position of the supporting wedge. block fixed. Adjust the quality of the weight according to the test requirements, loosen the pointing column, so that the test object slides under the traction of the weight driven by the traction line, and the stop column can prevent the test object from hitting the sliding cavity, and prevent the weight from falling to the ground. By calculating the start time when the pointing column is at the height of the conveyor belt, and calculating the end time when the pointing column reaches the stop column, the time difference between the two is used as the moving time of the test object on the conveyor belt, which is helpful for comparative observation of the test object Movement conditions under different inclinations, different friction forces and different weights in the sliding cavity.

The beneficial effect of the utility model lies in that the utility model device is convenient for carrying out tests on various inclined planes as required, helps to understand concepts about motion in physics, is easy to use, and has strong operability.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the utility model is further described.

Fig. 1 is a schematic diagram of the device structure used in the utility model embodiment.

Marking description in the figure: 1. Bracket; 2. Base; 3. Hinge; 4. Weight; 5. Lower pulley bracket; 6. Lower pulley; 7. Upper pulley; 8. Lower roller bracket; 9. Upper pulley bracket ;10, stop column; 11, lower roller; 12, traction line; 13, rough surface conveyor belt; 14, smooth surface conveyor belt; 15, test object; 16, pointing column; 17, sliding cavity; 18, upper Roller; 19, fastening bolt; 20, upper roller bracket; 21, support wedge; 22, fixing bolt; 23, stop slider.

Detailed ways

The physical slope motion test simulation device shown in Figure 1 includes a pair of parallel brackets 1, a base 2 is arranged above the bracket 1, a supporting wedge 21 is arranged above the base 2, and a stop slide is arranged on the left side of the supporting wedge 21 Block 23, stop slide block 23 is provided with fixing bolt 22; Base 2 right side wall is connected with lower pulley support 5, and lower pulley support 5 is provided with lower pulley 6; Base 2 upper right corner is provided with hinge 3, and hinge 3 The sliding cavity 17 is connected, and the bottom surface of the left part of the sliding cavity 17 is placed on the inclined platform of the support wedge 21; the bottom of the sliding cavity 17 is provided with a lower roller bracket 8 and an upper roller bracket 20, and the lower roller bracket 8 and The upper end of the upper roller bracket 20 is respectively provided with a lower roller 11 and an upper roller 18, and the lower roller 11 and the upper roller 18 are connected with a conveyor belt. The upper part of the conveyor belt is a smooth surface conveyor belt 14, and the bottom is a rough surface conveyor belt 13; A test block 15 is placed on the conveyor belt 14 ; the right side of the test block 15 is connected with a traction line 12 , and the other end of the traction line 12 bypasses the lower pulley 6 and is connected with a weight 4 . The left side of the upper roller 18 is provided with a fastening bolt 19, and the fastening bolt 19 passes through the surface of the upper roller 18 and is connected with the central axis of the upper roller 18. The upper right end of the sliding cavity 17 is provided with a stop post 10 . A pointing post 16 is connected to the test piece 15 . The right side of the sliding cavity 17 is connected with an upper pulley bracket 9, and the upper pulley bracket 9 is provided with an upper pulley 7, and the upper pulley 7 is relatively arranged with the lower pulley 6. The side wall of the sliding cavity 17 is made of transparent glass material, which is convenient for observing the movement of the test block 15 in the sliding cavity 17 .

During the specific implementation of the utility model device, according to the test requirements, loosen the fastening bolt 19, rotate the upper roller 18 or the lower roller 11, so that the rough surface conveyor belt 13 or the smooth surface conveyor belt 14 are at the top, and then fix the fastening bolt 19 so that The conveyor belt is fixed. Adjust the inclination of the sliding cavity 17 according to the test requirements. The inclination of the sliding cavity 17 can be adjusted by moving the position of the support wedge 21. After adjusting to the required inclination for the test, use the fixing bolt 22 to place the stop slider 23 Fixed, so that the support wedge 21 is fixed. Adjust the quality of the weight 4 according to the test requirements, loosen the pointing column 16, and make the test block 15 slide under the traction of the weight 4 driven by the traction line 12, and the stop post 10 can prevent the test block 15 from hitting the sliding cavity 17 , and prevent the heavy hammer 4 from falling to the ground. By calculating the start time when the pointing column 16 is at the height of the conveyor belt, and calculating the end time when the pointing column 16 reaches the stop post 10, the time difference between the two is used as the moving time of the test piece 15 on the conveyor belt, thereby helping to compare Observe the movement conditions of the test block 15 in the sliding cavity 17 under different inclinations, different friction forces and different weights.

Claims (6)

1. A physical inclined plane motion test simulation device, comprising a pair of parallel supports, is characterized in that: a base is provided above the support, a support wedge is provided above the base, and a stop is provided on the left side of the support wedge. The stop slider is provided with fixing bolts; the right side wall of the base is connected with a lower pulley bracket, and the lower pulley bracket is provided with a lower pulley; the upper right corner of the base is provided with a hinge, and the The hinge is connected with a sliding cavity, and the bottom surface of the left part of the sliding cavity is placed on the inclined platform supporting the wedge; the bottom of the sliding cavity is provided with a lower roller bracket and an upper roller bracket, and the lower roller bracket The upper end of the upper roller bracket is respectively provided with a lower roller and an upper roller, and the lower roller and the upper roller are connected with a conveyor belt. The upper part of the conveyor belt is a smooth surface conveyor belt, and the lower part is a rough surface conveyor belt; the smooth surface A test block is placed on the conveyor belt; a traction line is connected to the right side of the test block, and the other end of the traction line goes around the lower pulley and is connected with a weight. 2. The physical inclined plane motion test simulation device according to claim 1, characterized in that: the left side of the upper roller is provided with a fastening bolt, and the fastening bolt passes through the surface of the upper roller and the center of the upper roller shaft connected. 3. The simulation device for physical inclined plane motion test according to claim 1, characterized in that: the upper right end of the sliding cavity is provided with a stop post. 4. The simulation device for physical inclined plane motion test according to claim 1, characterized in that: the test block is connected with a pointing column. 5. The physical inclined plane motion test simulation device according to claim 1, characterized in that: the right side of the sliding cavity is connected with an upper pulley bracket, and the upper pulley bracket is provided with an upper pulley, and the upper pulley is connected with the sliding Wheel relative setting. 6. The simulation device for physical inclined plane motion test according to claim 1, characterized in that: the side wall of the sliding cavity is made of transparent glass material.