Falling ball impact test device

Abstract

The utility model discloses a falling ball impact test device, comprising a chassis which is horizontally arranged; the bracket beam is horizontally arranged above the chassis; the falling cylinder is arranged on the support beam, the falling cylinder is of a cylinder body structure with a vertical axis, the cylinder wall of the falling cylinder is provided with a putting-in opening, the top end of the falling cylinder is provided with a laser emitter, a laser beam generated by the laser emitter towards the chassis is coaxial with the falling cylinder, and an impact ball with the same inner diameter as the falling cylinder can be put into the falling cylinder from the putting-in opening. According to the device, the laser emitter and the falling cylinder are coaxially mounted, and a laser beam generated by the laser generator vertically irradiates an impacted object, so that an operator can clearly know the next impact position, the impact ball can accurately fall to impact a sample, the interference of human factors is greatly reduced, and the working efficiency is improved. The test result accuracy and the data repeatability are effectively improved, and a reliable data basis is provided for material performance evaluation and product quality detection.

Description

TECHNICAL FIELD

[0001] The utility model relates to impact test technical field, concretely relates to a falling ball impact test device. BACKGROUND

[0002] In material performance test and product quality detection and many fields, impact test is very important, through simulating the impact situation that object may suffer in actual use, the anti-impact performance of material or product can be evaluated, whether it is the test of detection part in precision instrument or the quality inspection of product shell protection performance in manufacturing industry, the anti-impact ability is obtained through test.

[0003] Falling ball impact test is a test method for evaluating the anti-impact performance of material or product. Its principle is based on free fall motion, a certain mass of impact ball is allowed to fall freely from a certain height, and the sample of material or product to be tested is impacted, so as to simulate the impact situation that may be encountered in reality. In the test operation, the mass and falling height of the impact ball are set, the sample is stably placed in the impact area, and then the impact ball is released to impact the sample, and the response of the sample at the impact moment and subsequently is recorded. However, the current falling ball impact test device has many inconvenient factors. First, it is difficult to accurately control the falling ball position. At present, some test pieces need to be tested by falling ball impact at the same position for multiple times, and the existing test device is difficult to accurately position. In addition, the existing test device also has certain defects in overall adjustment and adaptability. For test with different height requirements, the adjustment process is often not flexible, and it is difficult to quickly meet the diversified test scenes.

[0004] Therefore, there is an urgent need for a falling ball test device that can accurately position and has good adaptability. UTILITY MODEL CONTENTS

[0005] The utility model provides a falling ball impact test device, utilizes the falling cylinder and laser emitter, can accurately position the falling ball drop point, and the operation is simple.

[0006] In order to realize these purposes and other advantages of the utility model, a falling ball impact test device is provided, which comprises: a bottom disc horizontally placed; a support beam horizontally arranged above the bottom disc; a falling cylinder arranged on the support beam, the falling cylinder is a cylinder structure with vertical axis, the cylinder wall of the falling cylinder is provided with a drop inlet, a laser emitter is installed at the top end of the falling cylinder, the laser beam generated by the laser emitter towards the bottom disc is coaxial with the falling cylinder, wherein the impact ball with the same inner diameter as the falling cylinder can be put into the falling cylinder from the drop inlet.

[0007] Preferably, the impact ball is made of ferromagnetic material, the falling cylinder is made of non-ferromagnetic material, and the side of the falling cylinder is provided with an electromagnet, wherein when the electromagnet is electrified, the impact ball is attracted by the electromagnet and stays in the falling cylinder.

[0008] Preferably, a limiting column is further included, the limiting column is in a cylindrical shell structure, a screw rod is vertically and rotatably arranged in the limiting column, a slider is rotatably sleeved on the screw rod, the limiting column is provided with a vertical slot, and the support beam is located in the vertical slot and connected to the slider at one end.

[0009] Preferably, an adjusting seat is connected to the end of the limiting column, the adjusting seat is in a shell structure, a horizontal bevel gear and a vertical bevel gear are arranged in the adjusting seat and mesh with each other, one end of the screw rod extends into the adjusting seat and is coaxially connected with the horizontal bevel gear, the shaft center of the vertical bevel gear is provided with a rotating shaft, the rotating shaft extends out of the adjusting seat horizontally and is connected with a hand crank.

[0010] Preferably, the support beam comprises a first beam and a second beam which are matched and sleeved with each other, one end of the first beam is connected to the slider, one end of the second beam extends out of the first beam and is connected with the falling cylinder, the first beam and the second beam are both provided with pin holes which are in one-to-one correspondence in size and position, and a fixing pin is matched and arranged in the pin holes of the first beam and the second beam.

[0011] Preferably, the limiting column is arranged on the base plate, the base plate is provided with more than three foot fixing sleeves, each foot fixing sleeve is provided with an internal thread, and a foot bolt is threadedly sleeved downward in the internal thread.

[0012] Preferably, a horizontal bubble is arranged on the support beam.

[0013] Preferably, a height scale is arranged on the outer wall of the limiting column.

[0014] The utility model at least has the following beneficial effects:

[0015] Firstly, the laser emitter is coaxially arranged with the falling cylinder, the laser beam generated by the laser generator vertically irradiates on the impacted object, the operator can clearly and definitely know the next impact position, the impact ball can accurately fall and impact the sample, the human factor interference is greatly reduced, the test result accuracy and data repeatability are effectively improved, and reliable data basis is provided for material performance evaluation and product quality detection.

[0016] Secondly, the electromagnetic control is adopted to control the fixing and falling of the impact ball, the natural falling process of the impact ball is affected by the operation of the personnel, and the data accuracy is improved.

[0017] Third, the utility model discloses reliable structure, easy operation can flexibly adjust the falling range of impact ball.

[0018] The other advantages, objects and features of the utility model will be partly embodied through the following description, and will also be understood by the person skilled in the art through the research and practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the device overall schematic drawing in one technical scheme of the utility model;

[0020] Figure 2 It is the device side schematic drawing in one technical scheme of the utility model;

[0021] Figure 3 It is the support beam installation schematic drawing in one technical scheme of the utility model;

[0022] Figure 4 It is the falling cylinder side schematic drawing in one technical scheme of the utility model.

[0023] Brief description of drawings: 1 - base plate, 10 - anchor bolt fixed sleeve, 11 - anchor bolt, 2 - adjusting seat, 21 - rotating shaft, 211 - horizontal bevel gear, 212 - vertical bevel gear, 22 - hand crank, 3 - limit stand, 31 - lead screw, 32 - sliding block, 33 - limit top block, 34 - height scale, 4 - support beam, 41 - first beam, 42 - second beam, 40 - pin hole, 43 - fixed pin, 411 - mark piece, 5 - falling cylinder, 50 - inlet, 6 - laser emitter, 7 - electromagnet, 8 - impact ball, 9 - horizontal bubble. DETAILED DESCRIPTION

[0024] The utility model will be further explained in detail in combination with the drawings, so that the person skilled in the art can implement according to the description.

[0025] It should be understood that the terms such as "have", "contain" and "include" used in this paper do not exclude the presence or addition of one or more other elements or their combinations.

[0026] It should be noted that the experimental methods in the following embodiments are conventional methods unless otherwise specified, and the components can be obtained from commercial channels unless otherwise specified. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "arrangement" should be understood broadly, for example, can be fixedly connected, arranged, or can be detachably connected, arranged, or integrally connected, arranged. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The orientation or positional relationship indicated by the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0027] As shown in Figures 1-4 The technical scheme of the present application provides a falling ball impact test device, which comprises: a base plate 1 horizontally placed; a support beam 4 horizontally arranged above the base plate 1; a falling cylinder 5 arranged on the support beam 4, the falling cylinder 5 being a cylinder structure with an axis vertical, the cylinder wall of the falling cylinder 5 being provided with an inlet 50, and the top end of the falling cylinder 5 being provided with a laser emitter 6, the laser beam generated by the laser emitter 6 towards the base plate 1 being coaxial with the falling cylinder 5, wherein an impact ball 8 with the same inner diameter as the falling cylinder 5 can be put into the falling cylinder 5 from the inlet 50, in the present technical scheme, the base plate 1 is a basic support structure of the test piece, providing a stable test piece mounting plane, the support beam 4 is a beam structure connected to the base plate 1 or an external fixed structure for bearing the falling cylinder 5, the laser emitter 6 is a finished component easily available on the market, and the laser beam generated thereby is vertically irradiated on the test piece, the mark on the test piece irradiated by the laser emitter 6 can be a cross line or a mark point, and the test personnel can adjust the test piece below according to the laser mark, so that the falling point of the impact ball 8 is exactly at the preset position, the laser emitter 6 can be mounted above the falling cylinder 5 by screwing, or can be connected to the falling cylinder 5 by buckling or tenon and mortise, the impact ball 8 is a spherical body meeting the impact test standard, the diameter of the impact ball 8 is equal to the inner diameter of the falling cylinder 5, and the side wall of the falling cylinder 5 is provided with an inlet 50 for manually putting the impact ball 8, optionally, the bottom of the falling cylinder 5 can be provided with an opening and closing structure to facilitate the operator to accurately control the falling time of the small ball, and the opening and closing structure can be a partition plate, a horizontally arranged latch, a bolt or the like.

[0028] In the technical solution, the operator first adjusts the height of the falling cylinder 5, then operates the laser generator 6 to generate a laser beam downward to generate a mark point on the base plate 1, then accurately places the test piece to be tested on the base plate 1, and finally inserts the impact ball 8 into the falling cylinder 5 from the insertion port 50, and the impact ball 8 naturally falls under the action of gravity and accurately hits the test piece. The device greatly reduces the interference of human factors in the test, effectively improves the accuracy of the test results and the repeatability of the data, and provides a reliable data basis for material performance evaluation and product quality detection.

[0029] In another technical solution, the impact ball 8 is made of ferromagnetic material, the falling cylinder 5 is made of non-ferromagnetic material, and the side surface of the falling cylinder 5 is provided with an electromagnet 7. When the electromagnet 7 is powered on, the impact ball 8 is attracted by the electromagnet 7 and stays in the falling cylinder 5. Specifically, the electromagnet 7 is a finished product component available on the market, which is powered by an external power supply device. When the positioning of the test piece is completed, the operator turns on the power of the electromagnet 7 and inserts the impact ball 8. The impact ball 8 is attracted and stays in the falling cylinder 5 by the electromagnet 7, and the position of the impact ball 8 is the same each time. When the impact test is performed, the operator turns off the power of the electromagnet 7, and the impact ball 8 falls. The falling cylinder 5 can be made of aluminum or hard plastic, etc. to avoid interference with the attraction of the electromagnet 7 to the impact ball 8, ensure the stability of the falling path of the impact ball 8, and improve the test accuracy.

[0030] In another technical solution, a limiting column 3 is further included, which is in a cylindrical shell structure, a vertical screw rod 31 is rotatably arranged in the limiting column 3, a sliding block 32 matching the inner wall of the limiting column 3 is rotatably arranged on the screw rod 31, a vertical slot 30 is formed in the limiting column 3, the support beam 4 is located in the vertical slot 30 and connected to the sliding block 32 at one end. Specifically, a limiting top block 33 is arranged at the top of the limiting column 3, the limiting column 3 is a round rectangle, a rectangle or an ellipse, the top of the screw rod 31 is connected with the limiting top block 33 through a bearing, the bottom of the screw rod 31 is connected with the bottom of the limiting column 3 through a bearing, the sliding block 32 is internally provided with rolling balls which can circulate along the screw rod 31, the shape of the sliding block 32 matches the inner wall of the limiting column 3, when the screw rod 31 rotates, the sliding block 32 moves up or down along the screw rod 31 under the action of the limiting column 3, thereby driving the support beam 4 and the falling cylinder 5 thereon to vertically displace, so as to adjust the falling height of the impact ball 8. The end of the screw rod 31 can extend out of the limiting column 3 and be connected with a motor or other equipment for transmission.

[0031] In another technical scheme, the end of the limiting column 3 is connected with an adjusting seat 2, the adjusting seat 2 is a shell structure, a horizontal bevel gear 211 and a vertical bevel gear 212 are arranged in the adjusting seat 2 and mesh with each other, one end of the lead screw 31 extends into the adjusting seat 2 and is coaxially connected with the horizontal bevel gear 211, the shaft center of the vertical bevel gear 212 penetrates a rotating shaft 21, the rotating shaft 21 horizontally extends out of the adjusting seat 2 and is connected with a hand crank 22, specifically, in order to facilitate the operation personnel to use, the displacement control of the falling cylinder 5 is completed in a manual manner, when the hand crank 22 is rotated, the lead screw 31 is rotated through the vertical bevel gear 212 and the horizontal bevel gear 211 which mesh with each other, and the displacement of the falling cylinder 5 is completed.

[0032] In another technical scheme, the support beam 4 includes a first beam 41 and a second beam 42 which are matched and sleeved with each other, one end of the first beam 41 is connected with the sliding block 32, one end of the second beam 42 extends out of the first beam 41 and is connected with the falling cylinder 5, the first beam 41 and the second beam 42 are both provided with pin holes 40 which are in one-to-one correspondence in size and position, and a fixed pin 43 is matched and penetrated in the pin holes 40 which are matched in the first beam 41 and the second beam 42, specifically, in order to better adapt to various test pieces, the support beam 4 is designed to be extendable, the first beam 41 and the second beam 42 are both made of a square steel tube which is drilled, the operation personnel controls the length of the second beam 42 in the first beam 41, so as to adjust the transverse position of the falling cylinder 5, and when the second beam 42 reaches a preset position, the fixed pin 43 is penetrated into the corresponding two pin holes 40, and the fixing is completed.

[0033] In another technical scheme, the limiting column 3 is arranged on the base plate 1, the base plate 1 is provided with more than three foot fixing sleeves 10, each foot fixing sleeve 10 is provided with an internal thread, and a foot bolt 11 is screwed downwardly in the internal thread, specifically, when the ground or the desktop is uneven, the operation personnel can adjust the foot bolt 11, so as to adjust the base plate 1 to be horizontal.

[0034] In another technical scheme, the support beam 4 is provided with a horizontal bubble 9, the operation personnel can observe whether the base plate 1 is placed flat and whether the limiting column 3 on the base plate 1 is in a plumb state according to the horizontal bubble 9.

[0035] In another technical scheme, the limiting column 3 is provided with a height scale 34 on the outer wall, the height scale 34 can be horizontal graduation lines engraved on the outer wall of the limiting column 3, the first beam 41 is provided with a marker 411, the marker 411 is close to the height scale 34, and the operation personnel can easily know the lifting or lowering height of the support beam 4, so as to know the falling distance of the impact ball 8.

[0036] The number of devices and processing scale described herein are for the purpose of simplifying the description of this utility model. Applications, modifications, and variations of this utility model will be readily apparent to those skilled in the art.

[0037] Although the embodiments of this utility model have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for this utility model. For those skilled in the art, other modifications can be easily made. Therefore, without departing from the general concept defined by the claims and their equivalents, this utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A falling ball impact testing apparatus, characterized in that, include: The chassis (1) is placed horizontally; The support beam (4) is horizontally positioned above the chassis (1); The drop cylinder (5) is mounted on the support beam (4). The drop cylinder (5) is a cylindrical structure with a vertical axis. The cylinder wall of the drop cylinder (5) has an inlet (50). A laser emitter (6) is installed at the top of the drop cylinder (5). The laser beam generated by the laser emitter (6) towards the chassis (1) is coaxial with the drop cylinder (5). An impact ball (8) with the same inner diameter as the drop cylinder (5) can be placed into the drop cylinder (5) from the inlet (50).

2. The falling ball impact testing apparatus as described in claim 1, characterized in that, The impact ball (8) is made of ferromagnetic material, the falling cylinder (5) is made of non-ferromagnetic material, and an electromagnet (7) is provided on the side of the falling cylinder (5). When the electromagnet (7) is energized, the impact ball (8) is attracted by the electromagnet (7) and stays in the falling cylinder (5).

3. The falling ball impact testing apparatus as described in claim 1, characterized in that, It also includes a limiting column (3), which is a cylindrical shell structure, with a screw (31) vertically rotatably installed inside. A slider (32) with a shape matching the inner wall of the limiting column (3) is screwed on the screw (31). The limiting column (3) has a vertical groove (30), and the support beam (4) is located in the vertical groove (30) and one end is connected to the slider (32).

4. The falling ball impact testing apparatus as described in claim 3, characterized in that, The end of the limiting column (3) is connected to an adjusting seat (2). The adjusting seat (2) is a shell structure, in which a horizontal bevel gear (211) and a vertical bevel gear (212) mesh with each other are provided. One end of the lead screw (31) extends into the adjusting seat (2) and is coaxially connected with the horizontal bevel gear (211). A rotating shaft (21) passes through the axis of the vertical bevel gear (212). The rotating shaft (21) extends horizontally out of the adjusting seat (2) and is connected to a hand crank (22).

5. The falling ball impact testing apparatus as described in claim 3, characterized in that, The support beam (4) includes a first beam (41) and a second beam (42) that fit together. One end of the first beam (41) is connected to the slider (32), and one end of the second beam (42) extends out of the first beam (41) and is connected to the falling cylinder (5). Both the first beam (41) and the second beam (42) have pin holes (40) with corresponding sizes and positions. A fixing pin (43) is fitted into the matching pin holes (40) of the first beam (41) and the second beam (42).

6. The falling ball impact testing apparatus as described in claim 4, characterized in that, The limiting column (3) is set on the chassis (1). The chassis (1) is provided with three or more anchor fixing sleeves (10). Each anchor fixing sleeve (10) is provided with an internal thread, and an anchor bolt (11) is screwed into the downward thread inside.

7. The falling ball impact testing apparatus as described in claim 6, characterized in that, A horizontal bubble (9) is provided on the support beam (4).

8. The falling ball impact testing apparatus as described in claim 3, characterized in that, A height scale (34) is provided on the outer wall of the limiting column (3).

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