Falling ball rebound test device

Abstract

The utility model relates to the technical field of falling ball springback, in particular to a falling ball springback test device. Long grooves are formed in the left side and the right side of the front face and the rear face of the base, a horizontal bubble instrument is fixedly connected to the left side of the top of the base, a box is fixedly connected to the middle end of the top of the base, a telescopic high-transmittance pipe is fixedly connected to the top of the box, and a circular fixing block is fixedly connected to the outer surface of the upper side of the telescopic high-transmittance pipe. A circular groove is formed in the bottom of the circular fixing block, a first electric telescopic rod is fixedly connected to the right side of the top of the box body, and a supporting plate is fixedly connected to the top of the first electric telescopic rod. The telescopic high-permeability pipe is connected with the circular fixing block, the circular fixing block is provided with the circular groove, the telescopic high-permeability pipe is adjusted to the proper height, the height of the first electric telescopic rod is fixed through the supporting plate, the columnar fixing block is inserted into the circular groove to determine that the telescopic high-permeability pipe does not shake left and right, and the columnar fixing block is used for fixing the height of the telescopic high-permeability pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of falling ball rebound, and more specifically to a falling ball rebound test device. Background Art

[0002] The rebound method is a material mechanics test method used to measure the elastic modulus or elastic recovery properties of a material. It is usually used to test the rebound properties of soft or plastic materials.

[0003] The basic principle of the rebound method is to release a certain force or strain after applying it, and then measure the degree to which the material recovers to its original state. A rebound tester or rebound test equipment is usually used in the test process. In the rebound test, the commonly used indicators are the rebound ratio or rebound coefficient, which indicates the ability of the material to recover to its original state after being subjected to a certain force or strain. The rebound ratio can be used to evaluate the elastic recovery performance of the material, that is, to what extent the material can recover to its original shape or length after being subjected to force. This method is widely used in the mechanical property testing of various materials, especially in the fields of soft materials, rubber, plastics, foam materials, etc. It can provide information about the elastic properties, energy absorption capacity, deformation behavior, etc. of the material, which is helpful for applications in engineering design, material selection and product quality control. Taking the rebound ratio of sponge materials as an example, the higher the rebound ratio, the stronger the ability of the sponge material to recover to its original state after being subjected to pressure. This recovery ability is crucial for many applications, such as providing good support and comfort. In the high rebound sponge standard, the rebound ratio is usually between 50% and 90%.

[0004] However, the existing rebound test device has a single function and cannot be used for multiple purposes. The device is not equipped with a two-level retractable transparent tube with a buckle, and the falling height is not adjustable. When a retractable high-transparent tube is provided, the volume of the existing equipment is significantly increased. Compared with the bracket type, the retractable design is unsafe before and after use, inconvenient to move, and has a limited scope of application. In view of this, the utility model provides a falling ball rebound test device. Utility Model Content

[0005] The purpose of the utility model is to provide a falling ball rebound test device in view of the defects of the prior art, so as to solve the problems raised by the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a falling ball rebound test device, which includes a base, wherein long grooves are provided on the front and left and right sides of the back of the base, a horizontal bubble meter is fixedly connected to the top left side of the base, a box is fixedly connected to the top middle end of the base, a telescopic high-transparency tube is fixedly connected to the top of the box, a circular fixing block is fixedly connected to the upper outer surface of the telescopic high-transparency tube, a circular groove is provided at the bottom of the circular fixing block, a first electric telescopic rod is fixedly connected to the right side of the top of the box, a support plate is fixedly connected to the top of the first electric telescopic rod, a columnar fixing block is fixedly connected to the left side of the support plate, and the outer surface of the columnar fixing block is slidably connected to the inside of the circular groove.

[0007] As a further improvement of the present technical solution, an annular groove is provided on the top of the telescopic high-transparency tube, an arc-shaped slider is slidably connected inside the annular groove, there are two arc-shaped sliders, and an electromagnet base is fixedly connected to the top of the arc-shaped slider.

[0008] As a further improvement of the present technical solution, a second electric lifting and retracting rod is fixedly connected to the bottom of the box body, a fixed plate is fixedly connected to the top of the second electric lifting and retracting rod, a second sliding groove is opened on the top of the fixed plate, a second slider is slidably connected inside the second sliding groove, and the top of the second slider is fixedly connected to the bottom of the placement plate.

[0009] As a further improvement of the present technical solution, a first slide groove is provided on the inner surface of the top of the box body, the number of the first slide grooves is two, a first slider is slidably connected inside the first slide groove, the bottom of the first slider is fixedly connected to the top of the pre-load plate, and the first slide groove is a through-slide groove, so that the first slider can slide out of the inner surface of the first slide groove.

[0010] As a further improvement of the technical solution, threaded rods are threadedly connected to the left and right sides of the top of the base, and the number of threaded rods on each side is two.

[0011] As a further improvement of the technical solution, the top of the threaded rod is fixedly connected to the end of the output shaft of the motor.

[0012] As a further improvement of the present technical solution, the top of the motor is fixedly connected to a mounting plate, the bottom of the mounting plate is fixedly connected to a baffle, the inside of the baffle is fixedly connected to a square fixing block, and the inner outer surface of the square fixing block is slidably connected to the inner surface of the long groove.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The telescopic high-transparency tube is connected with a circular fixing block, and there is a circular groove on the circular fixing block. The telescopic high-transparency tube is adjusted to a suitable height, and the height of the first electric telescopic rod is fixed by the support plate, and the column-shaped fixing block is inserted into the circular groove to ensure that it does not swing left and right. The column-shaped fixing block is used to fix the height of the telescopic high-transparency tube. When the height of the telescopic high-transparency tube needs to be lowered, the first electric telescopic rod is retracted to the lowest level, the telescopic high-transparency tube is pressed to an ideal height, the first electric telescopic rod is raised to the column-shaped fixing block and inserted into the circular groove. When the height of the telescopic high-transparency tube needs to be raised, the telescopic high-transparency tube is pulled to an ideal height, the first electric telescopic rod is raised to the column-shaped fixing block and inserted into the circular groove, so that the falling height is flexibly adjustable, providing conditions for multiple uses of one machine, and will not increase the size of the equipment, is convenient to move, and improves the scope of application. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention is described in more detail below by way of example with reference to the accompanying drawings, in which:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the mobile structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the rotating structure of the utility model.

[0019] The meanings of the numbers in the figure are as follows: 1. base; 11. long groove; 12. box; 13. first slide; 14. horizontal bubble meter; 2. telescopic high-transparency tube; 21. circular fixing block; 22. arc-shaped slider; 23. electromagnet base; 24. first electric telescopic rod; 25. support plate; 26. columnar fixing block; 27. first slider; 28. pre-load plate; 210. circular groove; 211. annular slide; 3. threaded rod; 31. motor; 32. mounting plate; 33. baffle; 34. square fixing block; 4. second electric telescopic rod; 41. fixing plate; 42. second slide; 43. second slider; 44. placement plate. DETAILED DESCRIPTION

[0020] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0021] Example: Figure 1-3As shown, the device includes a base 1, and long grooves 11 are provided on the front and left and right sides of the back of the base 1. A horizontal bubble meter 14 is fixedly connected to the left side of the top of the base 1, and a box 12 is fixedly connected to the top middle of the base 1. Considering that the device is equipped with a two-level retractable transparent tube with a buckle, so that the falling height is flexible and adjustable, the details are as follows: a retractable high-transparency tube 2 is fixedly connected to the top of the box 12, a circular fixing block 21 is fixedly connected to the upper outer surface of the retractable high-transparency tube 2, and a circular groove 210 is provided at the bottom of the circular fixing block 21, a first electric telescopic rod 24 is fixedly connected to the right side of the top of the box 12, and a support plate 25 is fixedly connected to the top of the first electric telescopic rod 24. The support plate 25 A columnar fixing block 26 is fixedly connected on the left side, and the outer surface of the columnar fixing block 26 is slidably connected to the inside of the circular groove 210. However, the existing rebound test device has a single function and cannot be used for multiple purposes. The device is not equipped with a two-level retractable transparent tube with a buckle, and the falling height is not adjustable. When a retractable high-transparency tube is provided, the volume of the existing equipment is significantly increased. Compared with the bracket type, the retractable design is unsafe before and after use, inconvenient to move, and has a limited scope of application. By moving the retractable high-transparency tube 2 up and down to a suitable height, the first electric telescopic rod 24 is adjusted so that the columnar fixing block 26 can be inserted into the inner surface of the circular groove 210, so that the device is equipped with a two-level retractable transparent tube with a buckle, so that the falling height is flexibly adjustable.

[0022] The improvement of this embodiment is that:

[0023] The telescopic high-transparency tube 2 is connected with a circular fixing block 21, and a circular groove 210 is provided on the circular fixing block 21. The telescopic high-transparency tube 2 is adjusted to a suitable height, and the height of the first electric telescopic rod 24 is fixed by the support plate 25. The column-shaped fixing block 26 is inserted into the circular groove 210 to ensure that it does not shake left and right. The column-shaped fixing block 26 is used to fix the height of the telescopic high-transparency tube 2. When the height of the telescopic high-transparency tube 2 needs to be lowered, the first electric telescopic rod 24 is retracted to the lowest point, the telescopic high-transparency tube 2 is pressed to an ideal height, and the first electric telescopic rod 24 is raised to the column-shaped fixing block 26 and inserted into the circular groove 210. When the height of the telescopic high-transparency tube 2 needs to be raised, the telescopic high-transparency tube 2 is pulled to an ideal height, and the first electric telescopic rod 24 is raised to the column-shaped fixing block 26 and inserted into the circular groove 210. The falling height is flexibly adjustable, providing conditions for one machine to be used for multiple purposes, and will not increase the volume of the equipment, is convenient to move, and improves the scope of application.

[0024] Taking into account the rotatable fixed electromagnetic base, an annular groove 211 is opened on the top of the telescopic high-transparency tube 2, and an arc-shaped slider 22 is slidably connected inside the annular groove 211. There are two arc-shaped sliders 22, and the top of the arc-shaped slider 22 is fixedly connected with an electromagnet base 23. Through the rotation of the electromagnet base 23, the two arc-shaped sliders 22 are driven to slide inside the annular groove 211, thereby realizing a rotatable fixed electromagnetic base.

[0025] Taking into account that the testing machine is equipped with a liftable sample rack, which can be installed and used immediately and is flexible to disassemble, a second electric lifting rod 4 is fixedly connected to the bottom of the box body 12, and a fixed plate 41 is fixedly connected to the top of the second electric lifting rod 4. A second slide groove 42 is opened on the top of the fixed plate 41, and a second slider 43 is slidably connected inside the second slide groove 42. The top of the second slider 43 is fixedly connected to the bottom of a placement plate 44. The height of the placement plate 44 is driven by the extension and retraction of the second electric lifting rod 4. The second slide groove 42 is a through slide groove, and the second slider 43 can slide out of the inner surface of the second slide groove 42, so that the testing machine is equipped with a liftable sample rack, which can be installed and used immediately and is flexible to disassemble.

[0026] Considering that the slide-type pull-out pre-stressing plate rack and the flexibly installed pre-stressing plate 28 can form a sample pre-stressing device with the CNC liftable sample rack to solve the problem of adjusting the prestressed state of the sample before the test, a first slide groove 13 is opened on the top inner surface of the box body 12, and the number of the first slide grooves 13 is two. The first slide groove 13 is slidably connected with a first slider 27 inside, and the bottom of the first slider 27 is fixedly connected with the top of the pre-stressing plate 28. The first slide groove 13 is a through slide groove, and the first slider 27 can slide out of the inner surface of the first slide groove 13, so that the slide-type pull-out pre-stressing plate rack and the flexibly installed pre-stressing plate 28 can form a sample pre-stressing device with the CNC liftable sample rack to solve the problem of adjusting the prestressed state of the sample before the test.

[0027] In consideration of keeping the device horizontal and making the ball always do free-falling motion vertical to the ground, the influence of the site during the use of the device can be effectively eliminated. Therefore, threaded rods 3 are threadedly connected on the left and right sides of the top of the base 1, and there are two threaded rods 3 on each side. The top of the threaded rod 3 is fixedly connected to the output shaft end of the motor 31, the top of the motor 31 is fixedly connected to the mounting plate 32, the bottom of the mounting plate 32 is fixedly connected to the baffle plate 33, the inside of the baffle plate 33 is fixedly connected to a square fixing block 34, the inner outer surface of the square fixing block 34 is slidably connected to the inner surface of the long groove 11, and the rotation of the motor 31 drives the threaded rod 3 and the square fixing block 34 to move up and down, so as to keep the device horizontal and make the ball always do free-falling motion vertical to the ground, which can effectively eliminate the influence of the site during the use of the device.

[0028] In summary, the working principle of this solution is as follows:

[0029] The motor 31 is connected to the power supply, and when the motor 31 rotates, it drives the threaded rod 3 to move up and down, drives the mounting plate 32 and the baffle plate 33 to move up and down, and drives the square fixing block 34 to move up and down in the long groove 11. Similarly, adjust the other three threaded rods 3 so that the bubble of the horizontal bubble meter 14 is in the middle of the horizontal bubble meter 14. The representative mechanism is horizontal. The circular fixing block 21 is connected to the telescopic high-transparency tube 2, and the circular fixing block 21 has a circular groove 210. Manually adjust the telescopic high-transparency tube 2 to a suitable height, so that the first electric telescopic rod 24 is fixed in height by the support plate 25, and the columnar fixing block 26 is inserted into the circular groove 210 to ensure that it does not shake left and right. The columnar fixing block 26 is used to fix the height of the telescopic high-transparency tube 2. When the height of the telescopic high-transparency tube 2 needs to be lowered, the first electric telescopic rod 24 is retracted to the lowest level, and the telescopic high-transparency tube 2 is manually pressed to an ideal height, so that the first electric telescopic rod 24 is raised to the cylindrical fixing block 26 and inserted into the circular groove 210. When the height of the telescopic high-transparency tube 2 needs to be adjusted, the telescopic high-transparency tube 2 is pulled to the ideal height, and the first electric telescopic rod 24 is raised to the columnar fixing block 26 and inserted into the circular groove 210, so that the falling height is flexibly adjustable, providing conditions for one machine to be used for multiple purposes, and will not increase the volume of the equipment, and is convenient to move. When the height of the placement plate 44 needs to be adjusted, the height of the second electric lifting and retracting rod 4 is adjusted, so that the four second electric lifting and retracting rods 4 are kept at the same ideal horizontal height at the same time. When it is used well, the placement plate 44 is manually pulled outward to make the second slider 43 slide to the outside of the second slide groove 42. Similarly, when the pre-pressing plate 28 is needed, the bottom of the first slider 27 is aligned with the top of the first slider 27 and inserted into the inside of the first slider 27. If it is not needed, the pre-pressing plate 28 is manually pulled outward to make the first slider 27 slide to the outside of the first slide groove 13, so that the falling height is flexibly adjustable, providing conditions for one machine to be used for multiple purposes, and the automatic lifting and pre-pressing component is ready for use and can be disassembled flexibly, thereby improving the scope of application.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A falling ball rebound test device, comprising a base (1), wherein the front and rear sides of the base (1) are provided with long grooves (11), the left side of the top of the base (1) is fixedly connected with a horizontal bubble meter (14), and the middle end of the top of the base (1) is fixedly connected with a box (12), characterized in that: The top of the box body (12) is fixedly connected with a telescopic high-transparency tube (2); the upper outer surface of the telescopic high-transparency tube (2) is fixedly connected with a circular fixing block (21); the bottom of the circular fixing block (21) is provided with a circular groove (210); the right side of the top of the box body (12) is fixedly connected with a first electric telescopic rod (24); the top of the first electric telescopic rod (24) is fixedly connected with a support plate (25); the left side of the support plate (25) is fixedly connected with a columnar fixing block (26); the outer surface of the columnar fixing block (26) is slidably connected to the inside of the circular groove (210).

2. The falling ball rebound test device according to claim 1, characterized in that: The top of the telescopic high-transparency tube (2) is provided with an annular slide groove (211), the interior of the annular slide groove (211) is slidably connected with an arc-shaped slider (22), the number of the arc-shaped sliders (22) is two, and the top of the arc-shaped slider (22) is fixedly connected with an electromagnet base (23).

3. The falling ball rebound test device according to claim 1, characterized in that: A second electric lifting rod (4) is fixedly connected to the bottom of the box body (12), a fixed plate (41) is fixedly connected to the top of the second electric lifting rod (4), a second sliding groove (42) is provided on the top of the fixed plate (41), a second sliding block (43) is slidably connected inside the second sliding groove (42), and the top of the second sliding block (43) is fixedly connected to the bottom of the placement plate (44).

4. The falling ball rebound test device according to claim 1, characterized in that: A first slide groove (13) is provided on the inner surface of the top of the box body (12), and the number of the first slide grooves (13) is two. A first slider (27) is slidably connected inside the first slide groove (13), and the bottom of the first slider (27) is fixedly connected to the top of the pre-pressing plate (28). The first slide groove (13) is a through-slide groove, and the first slider (27) can slide out of the inner surface of the first slide groove (13).

5. The falling ball rebound test device according to claim 1, characterized in that: Threaded rods (3) are threadedly connected to the left and right sides of the top of the base (1), and the number of threaded rods (3) on each side is two.

6. The falling ball rebound test device according to claim 5, characterized in that: The top of the threaded rod (3) is fixedly connected to the end of the output shaft of the motor (31).

7. The falling ball rebound test device according to claim 6, characterized in that: The top of the motor (31) is fixedly connected to a mounting plate (32), the bottom of the mounting plate (32) is fixedly connected to a baffle (33), the interior of the baffle (33) is fixedly connected to a square fixing block (34), and the inner outer surface of the square fixing block (34) is slidably connected to the inner surface of the long groove (11).

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