CN219434571U

CN219434571U - Falling ball impact testing machine capable of avoiding secondary impact

Info

Publication number: CN219434571U
Application number: CN202320108193.7U
Authority: CN
Inventors: 张新; 王苗苗
Original assignee: Yangzhou Saisi Testing Equipment Co ltd
Current assignee: Yangzhou Saisi Testing Equipment Co ltd
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-07-28
Anticipated expiration: 2033-02-03

Abstract

The utility model discloses a falling ball impact testing machine capable of avoiding secondary impact, which comprises a falling ball impact testing machine body and a testing box body at the bottom of the falling ball impact testing machine body, wherein the bottom surface of an inner cavity of the testing box body is connected with a mounting mechanism through a bolt I, the outer wall of the mounting mechanism is slidably provided with a secondary impact preventing mechanism for changing the movement direction of a falling ball, the mounting mechanism comprises a stand column, a chassis, a supporting frame, an adjusting groove and a bolt with a locking handle, the secondary impact preventing mechanism comprises a groove, a central shaft, a rotating shaft, an interception plate, a central point, a storage cavity and a spring, and the top end of the interception plate is movably connected with the top end of the supporting frame through a positioning component and is used for fixing the interception plate in a test preparation link. According to the utility model, the falling ball can slide into the bottom edge of the test box along the inclined interception plate, the elastic force of the falling ball is buffered by the inclined interception plate, and the same is true when the falling ball is deflected from the center point during secondary falling, so that the falling ball is prevented from falling onto the surface of a test article, and the accuracy of a test result is ensured.

Description

Falling ball impact testing machine capable of avoiding secondary impact

Technical Field

The utility model relates to the technical field of ball drop impact testing machines, in particular to a ball drop impact testing machine capable of avoiding secondary impact.

Background

The ball drop impact tester can be used for measuring the impact properties of plastic pipes, plates and plastic products. The falling ball impact tester body comprises a test box body, a control console, a battery magnet, a power line, falling balls, infrared rays, a scale rod and a scale. The battery magnet bottom is just the ball point that falls the ball, when using, press the preparation key, battery magnet circular telegram is put the ball that falls in battery magnet bottom for falling the ball and being connected with battery magnet, fixed the placing of sample in test box bottom through positioner, adjust battery magnet to the height of needs, operate through the control cabinet, make the waiting of sample measure point, fall the ball on same vertical straight line, press the fall key, fall the ball and freely fall from the ball point, fall the ball and accurately fall the waiting of sample measure point to the sample, accomplish the impact to the sample. The heights of the test products are different, the impact point height of the falling ball is changed, and the rebound height of the falling ball is also changed.

Because some plastic pipes, plates and plastic products have elasticity, the falling balls are sprung up after contacting with the point to be tested of the test product, and secondarily fall down under the gravity of the falling balls after being sprung up and fall onto the surface of the test product again, the process time is in seconds, the falling balls cannot be contacted manually and timely, the test product is subjected to secondary impact, the impact range and the impact force of the test product can be enlarged due to the secondary impact, and the accuracy of the result obtained by the test is reduced.

Disclosure of Invention

The utility model aims to provide a falling ball impact testing machine for avoiding secondary impact, so as to solve the problems in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a avoid falling ball impact testing machine of secondary striking, includes falling ball impact testing machine body and the test box of its bottom, test box inner chamber bottom surface is connected with installation mechanism through bolt one, installation mechanism outer wall slides and is equipped with prevents secondary striking mechanism for change the direction of motion of falling ball, installation mechanism includes stand, chassis, support frame, regulating tank and takes locking handle bolt certainly, prevent secondary striking mechanism includes recess, center pin, rotation axis, interception board, central point, accomodates chamber and spring, the interception board top pass through locating component with support frame top swing joint for fixed interception board in experimental preparation link, the support frame inner wall is equipped with shelters from the sensor, interception board inner wall is equipped with infrared radium-shine lamp, test box bottom in interception board below is equipped with positioner.

Further, the chassis that is located the stand bottom pass through bolt one with test box inner chamber bottom surface is connected, the stand is provided with four, four through rather than sliding connection between the stand the support frame is connected, supports the support frame, the adjustment tank internal wall activity of test box is equipped with from taking locking handle bolt, four angles of support frame all pass through from taking locking handle bolt with the stand is connected for the height of regulation support frame.

Further, the outer wall of support frame one end be equipped with the recess intercommunication accomodate the chamber, the inner wall of support frame other end is equipped with infrared radium-shine lamp, accomodate the intracavity wall have through a plurality of spring sliding connection the interception board, interception board outer wall symmetry is equipped with the center pin with the rotation axis, support frame both sides inner wall symmetry is equipped with the recess, the center pin with the rotation axis all with recess looks adaptation.

Further, the central shaft and the rotating shaft are movably connected with the groove, the central shaft and the ball falling point of the ball falling impact tester body are on the same straight line, and the central point is positioned at one side of a connecting line of the two central shafts, which is close to the infrared laser lamp.

Further, the groove comprises a sliding groove and a rotating groove, and the two rotating grooves are centrally symmetrical with respect to the central shaft.

Further, the positioning assembly comprises an electrified magnet and an iron block matched with the electrified magnet, the iron block is symmetrically arranged at the top end of the interception plate, and the electrified magnet is symmetrically arranged at the top end of the support and close to one end of the spring.

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

1. according to the utility model, the interception plate, the storage cavity, the central shaft, the rotating shaft, the electromagnet, the supporting frame and the spring are arranged, so that the falling balls can slide into the bottom edge of the test box body along the inclined interception plate, the elastic force applied to the falling balls is buffered through the inclined interception plate, the same is true when the center point is offset during secondary falling of the falling balls, the falling balls are prevented from falling onto the surface of a test sample, and the accuracy of a test result is ensured.

2. According to the utility model, through arranging the upright post, the chassis, the supporting frame, the adjusting groove and the self-locking handle bolt, the height of the secondary impact prevention mechanism can be adjusted according to the height of a test article and the height of a test article to be measured point, so that falling balls of the falling ball impact tester body can be conveniently ensured to fall on the interception plate, and the success rate of the test is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall front view of the present utility model;

FIG. 2 is a schematic rear view of the present utility model;

FIG. 3 is a schematic side view of the support frame of the present utility model;

FIG. 4 is a schematic rear view of the support frame of the present utility model;

FIG. 5 is a top view of an interception plate in the present utility model;

FIG. 6 is a side cross-sectional view of the support bracket of the present utility model;

in the figure: 1. a ball drop impact tester body; 2. a test box; 3. a column; 4. a chassis; 5. a support frame; 6. an adjustment tank; 7. the bolt is provided with a locking handle; 8. a groove; 801. a chute; 802. a rotary groove; 9. a central shaft; 10. a rotation shaft; 11. an interception plate; 12. a center point; 13. a storage chamber; 14. a spring; 15. an infrared laser lamp; 16. a occlusion sensor; 17. a positioning device; 18. energizing the magnet; 19. iron blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides the following technical solutions: the utility model provides a avoid falling ball impact testing machine of secondary striking, includes falling ball impact testing machine body 1 and test box body 2 of its bottom, test box body 2 inner chamber bottom surface is connected with installation mechanism through bolt one, installation mechanism outer wall slip is equipped with prevents secondary striking mechanism for change the direction of motion of falling ball, installation mechanism includes stand 3, chassis 4, support frame 5, adjustment tank 6 and from taking locking handle bolt 7, prevent secondary striking mechanism includes recess 8, center pin 9, rotation axis 10, interception board 11, central point 12, accomodate chamber 13 and spring 14, interception board 11 top pass through locating component with support frame 5 top swing joint for be in test preparation link fixed interception board 11, support frame 5 inner wall is equipped with shelter from sensor 16, interception board 11 inner wall is equipped with infrared radiation lamp 15, test box body 2 bottom in the interception board 11 below is equipped with positioner 17, be located stand 3 bottom chassis 4 pass through the bolt one with test box body 2 inner chamber bottom surface is connected with four, four stand 3 have through four the support frame 5 the side of being equipped with the support frame 5 the connection 5 have the support frame 5 to take the angle 5 to be equipped with between the support frame 5 the side is equipped with the support frame 5 from the side wall 5 is equipped with the support frame 5 the side wall is connected with the support frame 5 the side of holding handle 13, the support frame 5 is equipped with the side wall 5 is through the side wall 5 is connected with the end 13 to the support frame 5 is connected to the side of the support frame 5 is equipped with the end through the end 13, the outer wall symmetry of interception board 11 is equipped with center pin 9 with rotation axis 10, the symmetry of support frame 5 both sides inner wall is equipped with recess 8, center pin 9 with rotation axis 10 all with recess 8 looks adaptation, center pin 9 with rotation axis 10 all with recess 8 swing joint, center pin 9 with the ball point that falls of ball impact testing machine body 1 is on the same straight line, center point 12 is located two the line of center pin 9 is close to infrared radium lamp 15 one side.

Referring to fig. 3-4, the recess 8 includes a sliding groove 801 and a rotating groove 802, the two rotating grooves 802 are symmetrical about the center axis 9, the positioning assembly includes an electromagnet 18 and an iron block 19 adapted to the electromagnet 18, the iron block 19 is symmetrically disposed at the top end of the interception plate 11, and the electromagnet 18 is symmetrically disposed at the top end of the support near one end of the spring 14.

The specific implementation mode is as follows: when the device is used, firstly, a test sample is fixedly placed at the bottom of a test box body 2 through a positioning device 17, a preparation key on a falling ball impact testing machine body 1 is pressed, so that a battery magnet of the falling ball impact testing machine body 1 is powered on, an electromagnet 18 is powered on, an infrared laser lamp 15 is opened, a shielding sensor 16 runs, the falling ball is placed at the bottom end of the battery magnet of the falling ball impact testing machine body 1, a to-be-tested point of the test sample and the falling ball are positioned on the same vertical straight line, infrared rays emitted by an infrared laser lamp 15 are positioned right above the to-be-tested point of the test sample, a self-locking handle bolt 7 is reversely rotated, so that the self-locking handle bolt 7 loses the positioning effect on a support frame 5, the support frame 5 is pushed upwards or downwards to slide along a stand column 3, and the height of the support frame 5 is adjusted, the height of the secondary collision preventing mechanism can be adjusted according to the height of a test article and the height of a test point to be tested of the test article, so that falling balls of the falling ball impact testing machine body 1 can fall on the interception plate 11 conveniently, the success rate of the test is improved, the support frame 5 drives the infrared laser lamp 15 and the shielding sensor 16 to synchronously move, the infrared is enabled to be higher than the point to be tested of the test article by a distance which is determined according to the material of the actual test article, such as 1cm, the determination of the height of the support frame 5 is completed, the self-locking handle bolt 7 is positively rotated, the self-locking handle bolt 7 is enabled to be screwed tightly, the self-locking handle bolt 7 firmly abuts against the upright post 3, the position of the support frame 5 is fixed again through the friction force between the self-locking handle bolt 7 and the upright post 3, the interception plate 11 is pushed to the storage cavity 13, the interception plate 11 drives the rotating shaft 10, the central shaft 9 and the iron block 19 to synchronously move, the rotary shaft 10 and the central shaft 9 approach the storage cavity 13 along the sliding groove 801, the interception plate 11 slides into the storage cavity 13, the spring 14 is extruded until the iron block 19 contacts with the electrified magnet 18, so that the fixation of the interception plate 11 is completed, at the moment, the interception plate 11 is positioned above the positioning device 17 and the positioning device 17, the second, the test is carried out, the falling key on the falling ball impact tester body 1 is pressed, the falling ball of the falling ball impact tester body 1 falls on the to-be-tested point of the test article, then the falling ball is sprung upwards, the falling ball passes through the shielding sensor 16 when the falling ball is about to contact the to-be-tested point of the test article, the shielding sensor 16 is triggered, the electrified magnet 18 is disconnected, the iron block 19 is separated from the electrified magnet 18, the interception plate 11 is driven to be away from the storage cavity 13 under the action of the elastic force of the spring 14, the interception plate 11 drives the central shaft 9 and the rotary shaft 10 to synchronously move along the sliding groove 801, until the interception plate 11 moves to a position right above a to-be-detected point of the test article, the falling ball secondarily falls on the central point 12 on the interception plate 11, and because the central point 12 is positioned on one side of the connecting line of the two central shafts 9 and is close to the infrared laser lamp 15, under the gravity effect of the falling ball, the interception plate 11 rotates around the central shafts 9, the interception plate 11 drives the rotating shaft 10, the rotating shaft 10 slides into the rotating groove 802 from the sliding groove 801, one end of the inner wall of the interception plate 11, which is provided with the infrared laser lamp 15, rotates downwards, the interception plate 11 inclines, the falling ball slides into the bottom edge of the test box 2 along the inclined interception plate 11, the elastic force of the falling ball is buffered by the inclined interception plate 11, and the phenomenon that the falling ball secondarily falls on the surface of the test article is avoided when the central point 12 is offset, and the accuracy of the test result is ensured.

The working principle of the utility model is as follows:

referring to fig. 1-6 of the specification, according to the utility model, through arranging the interception plate 11, the storage cavity 13, the central shaft 9, the rotating shaft 10, the electromagnet 18, the support frame 5 and the spring 14, the falling ball can slide into the bottom edge of the test box body 2 along the inclined interception plate 11, the elastic force applied to the falling ball is buffered by the inclined interception plate 11, the same phenomenon is caused when the center point 12 is offset during the secondary falling of the falling ball, the falling ball is prevented from falling onto the surface of a test article, and the accuracy of a test result is ensured.

Further, referring to fig. 1-4 of the specification, the utility model can adjust the height of the secondary impact prevention mechanism according to the height of a sample and the height of a sample to be measured point by arranging the upright post 3, the chassis 4, the supporting frame 5, the adjusting groove 6 and the self-locking handle bolt 7, thereby being convenient for ensuring that the falling ball of the falling ball impact tester body 1 falls on the interception plate 11 and improving the success rate of the test.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a avoid falling ball impact testing machine of secondary striking, includes falling ball impact testing machine body (1) and test box (2) of its bottom, its characterized in that: the bottom surface of the inner cavity of the test box body (2) is connected with a mounting mechanism through a first bolt, the outer wall of the mounting mechanism is slidably provided with a secondary impact prevention mechanism for changing the movement direction of falling balls, the mounting mechanism comprises a stand column (3), a chassis (4), a supporting frame (5), an adjusting groove (6) and a bolt (7) with a locking handle, the secondary impact prevention mechanism comprises a groove (8), a central shaft (9), a rotating shaft (10), an interception plate (11), a central point (12), a storage cavity (13) and a spring (14), the utility model discloses a test device, including support frame (5), interception board (11) top pass through locating component with support frame (5) top swing joint for fixed interception board (11) in experimental preparation link, support frame (5) inner wall is equipped with shelters from sensor (16), interception board (11) inner wall is equipped with infrared ray radium-shine lamp (15), test box (2) bottom in interception board (11) below is equipped with positioner (17).

2. A ball drop impact tester for avoiding secondary impact as defined in claim 1, wherein: the chassis (4) located in the bottom end of the upright post (3) is connected with the bottom surface of the inner cavity of the test box body (2) through the first bolt, the upright posts (3) are four, the four upright posts (3) are connected with the support frame (5) through sliding connection of the upright posts, the support frame (5) is supported, the adjusting groove (6) in the inner wall of the test box body (2) is movably provided with the self-contained locking handle bolt (7), and the four corners of the support frame (5) are connected with the upright posts (3) through the self-contained locking handle bolt (7) for adjusting the height of the support frame (5).

3. A ball drop impact tester for avoiding secondary impact as defined in claim 1, wherein: the outer wall of support frame (5) one end be equipped with recess (8) intercommunication accomodate chamber (13), the inner wall of support frame (5) other end is equipped with infrared radium-shine lamp (15), accomodate chamber (13) inner wall through a plurality of springs (14) sliding connection have interception board (11), interception board (11) outer wall symmetry is equipped with center pin (9) with rotation axis (10), support frame (5) both sides inner wall symmetry is equipped with recess (8), center pin (9) with rotation axis (10) all with recess (8) looks adaptation.

4. A ball drop impact tester for avoiding secondary impact as defined in claim 1, wherein: the center shaft (9) and the rotating shaft (10) are movably connected with the groove (8), the center shaft (9) and the ball falling point of the ball falling impact tester body (1) are on the same straight line, and the center point (12) is positioned at one side, close to the infrared laser lamp (15), of the connecting line of the two center shafts (9).

5. A ball drop impact tester for avoiding secondary impact as defined in claim 1, wherein: the groove (8) comprises a sliding groove (801) and a rotating groove (802), and the two rotating grooves (802) are symmetrical about the center shaft (9) in the center.

6. A ball drop impact tester for avoiding secondary impact as defined in claim 1, wherein: the positioning assembly comprises an electrified magnet (18) and an iron block (19) matched with the electrified magnet (18), wherein the iron block (19) is symmetrically arranged at the top end of the interception plate (11), and the electrified magnet (18) is symmetrically arranged at the top end of the support frame and close to one end of the spring (14).