CN212483221U - Falling ball impact test device - Google Patents
Falling ball impact test device Download PDFInfo
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- CN212483221U CN212483221U CN202021973685.5U CN202021973685U CN212483221U CN 212483221 U CN212483221 U CN 212483221U CN 202021973685 U CN202021973685 U CN 202021973685U CN 212483221 U CN212483221 U CN 212483221U
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Abstract
The utility model relates to a test device technical field discloses a falling ball impact test device, and it includes: a rack having an impact position at which a sample is placed; the first ball falling fixing mechanism is movably arranged on the rack along the vertical direction and is used for fixing or loosening the steel ball so as to enable the steel ball to impact the sample; the second ball falling fixing mechanism is arranged on the rack and is positioned below the first ball falling fixing mechanism, and the second ball falling fixing mechanism is provided with a through hole allowing a steel ball to pass through; the induction mechanism is arranged on the rack and positioned between the second ball falling fixing mechanism and the sample, and is used for inducing the position information of the steel ball; the second ball falling fixing mechanism is electrically connected with the sensing mechanism and can fix the steel ball after the steel ball impacts the sample for the first time. The utility model provides a falling ball impact test device to reach the accurate purpose of test result.
Description
Technical Field
The utility model relates to a test device technical field especially relates to a ball impact test device falls.
Background
With the improvement of the driving performance of automobiles, the requirement for the lightweight of automobiles is higher and higher, and therefore, non-metal materials such as plastics are applied to automobiles more and more. The detection requirements of various car factories on the material performance are more strict, on one hand, a ball drop impact test is needed to test the impact strength of a sample, the test principle is that a steel ball with certain mass freely drops at a certain height, and a tester observes the damage degree of the sample to simulate the collision condition of the sample in the actual collision process.
At present, in the ball impact test process that falls, can receive the reaction force of sample and kick-back after the steel ball is touch the sample, the steel ball after kick-back to the take the altitude can descend once more and strike the sample, so relapse for receive the multiple impact of steel ball in the drop test of sample, thereby influence the accuracy of ball impact test that falls.
Disclosure of Invention
The utility model aims at: the utility model provides a falling ball impact test device to reach the accurate purpose of test result.
In order to achieve the above object, the utility model provides a falling ball impact test device, it includes:
a rack having an impact location at which a sample is placed;
the first ball falling fixing mechanism is movably arranged on the rack along the vertical direction and is used for fixing or loosening the steel ball so as to enable the steel ball to impact the sample;
the second ball falling fixing mechanism is arranged on the rack and is positioned below the first ball falling fixing mechanism;
the induction mechanism is arranged on the rack and positioned between the second ball falling fixing mechanism and the sample, and is used for inducing the position information of the steel ball;
the second ball falling fixing mechanism is electrically connected with the sensing mechanism and can fix the steel ball after the steel ball impacts the sample for the first time.
In some embodiments of the present application, the second ball drop fixing mechanism has at least one electromagnet provided with a through hole allowing the steel ball to pass therethrough.
In some embodiments of the present application, the electromagnet is provided in plurality, and a plurality of the electromagnets are stacked.
In some embodiments of the present application, the utility model discloses a falling ball impact test device is still including making the sample is located the positioning mechanism of impact position, positioning mechanism locates the frame.
In some embodiments of the present application, the positioning mechanism is an infrared laser, and the infrared laser is disposed above the first ball-falling fixing mechanism.
In some embodiments of the present application, the utility model discloses a falling ball impact test device still includes the spirit level, the spirit level is located the frame.
In some embodiments of the present application, the frame includes a base, two supporting portions, and at least three telescopic lifting sleeves, the lifting sleeves are disposed in parallel on the base, and the two supporting portions are disposed on the lifting sleeves at intervals along a vertical direction;
the first falling ball fixing mechanism and the second falling ball fixing mechanism are respectively arranged on the two supporting parts.
In some embodiments of the present application, the lifting sleeve includes a plurality of steel pipes detachably connected in a vertical direction, and the support portion is detachably connected to the steel pipes.
In some embodiments of the present application, the steel tube is provided with scale markings.
In some embodiments of the present application, the sensing mechanism is an infrared sensor.
The embodiment of the utility model provides a falling ball impact test device, it compares with prior art, and its beneficial effect lies in:
when the first ball falling fixing mechanism loosens the steel balls, the steel balls impact the sample from the free falling body of the first ball falling fixing mechanism and rebound, the sensing mechanism can sense the steel balls twice, after the sensing mechanism senses the steel balls for the second time, the sensing mechanism sends position signals of the steel balls to the second ball falling fixing mechanism, and the second ball falling fixing mechanism fixes the steel balls; therefore, the falling ball impact test device can control the free falling body of the steel ball in the test, reduce the test deviation and effectively prevent the steel ball from rebounding to carry out secondary impact on the sample after falling;
in addition, the falling ball impact test device has the advantages of low cost, simple structure and easiness in operation.
Drawings
Fig. 1 is a schematic structural diagram of a falling ball impact test device according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the first falling ball fixing mechanism, the positioning mechanism and the level gauge according to the embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a second falling ball fixing mechanism and a sensing mechanism according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a first falling ball fixing mechanism according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a second falling ball fixing mechanism according to an embodiment of the present invention.
In the figure, 1, a frame; 11. a base; 12. a support portion; 13. a lifting sleeve; 131. a steel pipe; 132. a tee joint; 2. an impact position; 3. a first ball falling fixing mechanism; 4. a second ball falling fixing mechanism; 5. an induction mechanism; 6. a positioning mechanism; 7. a level gauge; 8. an electromagnet.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do 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 thus should not be construed as limiting the present invention.
As shown in fig. 1-5, a falling ball impact testing apparatus according to a preferred embodiment of the present invention includes: a rack 1 having an impact position 2, the sample being placed at the impact position 2; the first ball falling fixing mechanism 3 is movably arranged on the rack 1 along the vertical direction, and the first ball falling fixing mechanism 3 is used for fixing or loosening the steel ball so as to enable the steel ball to impact the sample; the second ball falling fixing mechanism 4 is arranged on the rack 1 and is positioned below the first ball falling fixing mechanism 3; the induction mechanism 5 is arranged on the rack 1 and positioned between the second falling ball fixing mechanism 4 and the sample, and the induction mechanism 5 is used for inducing the position information of the steel ball; the second falling ball fixing mechanism 4 is electrically connected with the sensing mechanism 5 and can fix the steel ball after the steel ball impacts the sample for the first time.
Based on the arrangement, when the first ball falling fixing mechanism 3 loosens the steel balls, the steel balls impact on the sample from the free falling body of the first ball falling fixing mechanism 3 and rebound, the sensing mechanism 5 can sense the steel balls twice, after the sensing mechanism 5 senses the steel balls for the second time, the sensing mechanism 5 sends position signals of the steel balls to the second ball falling fixing mechanism 4, and the second ball falling fixing mechanism 4 fixes the steel balls; therefore, the falling ball impact test device can control the free falling body of the steel ball in the test, reduce the test deviation and effectively prevent the steel ball from rebounding to carry out secondary impact on the sample after falling;
in addition, the falling ball impact test device has the advantages of low cost, simple structure and easiness in operation.
In some embodiments, optionally, as shown in fig. 2 and 4, the first falling ball fixing mechanism 3 has a plurality of electromagnets 8, the plurality of electromagnets 8 are stacked, when the electromagnets 8 of the first falling ball fixing mechanism 3 are not energized, the electromagnets 8 lose magnetism, and the first falling ball fixing mechanism 3 releases the steel ball, thereby facilitating the impact of the steel ball on the sample;
when the electromagnet 8 of the first falling ball fixing mechanism 3 is electrified, the electromagnet 8 has magnetism and can adsorb the steel ball, so that the steel ball is fixed.
In some embodiments, optionally, as shown in fig. 3 and 5, the second ball drop fixing mechanism 4 has at least one electromagnet 8, the electromagnet 8 being provided with a through hole allowing the steel ball to pass through. Therefore, when the electromagnet 8 is not electrified, the electromagnet 8 loses magnetism, and the steel ball passes through the through hole of the electromagnet 8, so that the impact of the steel ball on the sample is facilitated;
after the induction mechanism 5 induces the steel ball for the second time, the induction mechanism 5 sends a position signal of the steel ball to the electromagnet 8, the electromagnet 8 is electrified, the electromagnet 8 has magnetism and can adsorb the steel ball, and therefore secondary impact of the steel ball on a sample is prevented.
In some embodiments, optionally, as shown in fig. 3 and 5, the electromagnet 8 of the second ball drop fixing mechanism 4 is provided in plurality, and the plurality of electromagnets 8 are stacked. Therefore, each electromagnet 8 generates a constant magnetic field when being electrified, and the magnetic fields of the electromagnets 8 are superposed, so that the magnetic field intensity of the second falling ball fixing mechanism 4 is larger, and the adsorption effect on the steel balls is better; preferably, the plurality of electromagnets 8 are sequentially increased in diameter from top to bottom.
In some embodiments, optionally, as shown in fig. 1 and 3, the falling ball impact test device of the present invention further includes a positioning mechanism 6 for positioning the sample at the impact position 2, wherein the positioning mechanism 6 is disposed on the frame 1. From this, positioning mechanism 6 makes the sample can be accurately fixed a position in impact position 2 to be convenient for the steel ball to the impact of sample, and then improve the reliability of test result.
In some embodiments, optionally, as shown in fig. 1 and 3, in order to make the positioning of the sample simpler, the positioning mechanism 6 is an infrared laser, which is disposed above the first ball-drop fixing mechanism 3. Therefore, the infrared laser can emit infrared laser to accurately position the impact position 2, and a tester aligns the center of the sample with the infrared laser, so that the accurate positioning of the sample is realized;
in addition, first falling ball fixed establishment 3 is equipped with the perforation that allows infrared laser to pass, and the infrared laser that infrared laser sent passes first falling ball fixed establishment 3 and second falling ball fixed establishment 4 in proper order and shines to bottom plate 11 to realize the accurate location of impact position 2.
In some embodiments, optionally, as shown in fig. 1 and 3, the falling ball impact testing apparatus of the present invention further includes a level 7, and the level 7 is disposed on the frame 1. From this, spirit level 7 can be used for instructing the levelness of frame 1 to guarantee that frame 1 is perpendicular with ground, and then guarantee that the free fall direction of motion of steel ball is perpendicular with ground, with the reliability that improves the test result.
In some embodiments, optionally, as shown in fig. 1, the frame 1 includes a base 11, three supports 12, and at least three retractable lifting sleeves 13, the lifting sleeves 13 are disposed in parallel on the base 11, and the three supports 12 are disposed at intervals in the vertical direction on the lifting sleeves 13; wherein, the infrared laser and the level gauge 7 are arranged on the same supporting part 12, and the first falling ball fixing mechanism 3 and the second falling ball fixing mechanism 4 are respectively arranged on the other two supporting parts 12. From this, impact position 2 locates base 11 to not only be convenient for placing of sample, make first falling ball fixed establishment 3 and impact position 2 have certain distance moreover, so that the free falling body motion of steel ball. Lifting sleeve 13 is flexible on vertical direction, and the tester can adjust first falling ball fixed establishment 3 and the height of second falling ball fixed establishment 4 apart from base 11 according to experimental needs to make first falling ball fixed establishment 3 and second falling ball fixed establishment 4 fix in suitable position. The three supporting parts 12 respectively provide supporting force for the infrared laser and the level meter 7, the first falling ball fixing mechanism 3 and the second falling ball fixing mechanism 4, so that the level meter 7 can better test the levelness of the rack 1; the infrared laser emitted by the infrared laser is not easy to shake; the first falling ball fixing mechanism 3 and the second falling ball fixing mechanism 4 can be stably arranged on the supporting part 12, so that the path of the free falling body movement of the steel ball is not easy to change, and the reliability of the test result is ensured.
In some embodiments, optionally, as shown in fig. 1, in order to further enable the supporting portion 12 to be more stably disposed on the lifting sleeves 13, the lifting sleeves 13 are disposed in four, and four lifting sleeves 13 are disposed on the base 11 in a rectangular array.
In some embodiments, optionally, as shown in fig. 1, the lifting sleeve 13 includes a plurality of steel pipes 131 detachably connected in the vertical direction, and the supporting portion 12 is detachably connected to the steel pipes 131. Therefore, an operator adjusts the number of the steel pipes 131 of each lifting sleeve 13 according to the test requirement, so as to adjust the height of the first falling ball fixing mechanism 3 and the second falling ball fixing mechanism 4 from the base 11; in addition, two adjacent steel pipes 131 are connected through a tee 132, and each side of the support portion 12 is also connected with two adjacent steel pipes 131 through a tee 132, so that the steel pipes 131 and the steel pipes 131, and the steel pipes 131 and the support portion 12 are convenient to mount and dismount, and further, a tester can mount the rack 1 conveniently.
In some embodiments, optionally, as shown in fig. 1, the steel tube 131 is provided with scale marks to facilitate control of the required test height of the steel ball; in addition, the distance between adjacent scale marks is 10 mm-20 mm, and a tester can set the distance between the adjacent scale marks according to the test requirement.
In some embodiments, optionally, as shown in fig. 1 and 3, the sensing mechanism 5 is an infrared sensor, so that the position detection of the steel ball has the advantages of simplicity and high efficiency; in addition, the infrared ray sensor is fixed in the lifting sleeve 13 through the supporting plate, thereby ensuring stable placement of the infrared ray sensor.
In some embodiments, optionally, as shown in fig. 1, the falling ball impact testing apparatus of the present invention further includes a control mechanism electrically connected to the first falling ball fixing mechanism 3, the second falling ball fixing mechanism 4 and the sensing mechanism 5, so as to control the operating states of the first falling ball fixing mechanism 3, the second falling ball fixing mechanism 4 and the sensing mechanism 5.
In some embodiments, optionally, as shown in fig. 1, the falling ball impact test device of the present invention further includes a cryogenic box, and the frame 1 is disposed in the cryogenic box to avoid the temperature change of the sample itself caused by the sample taken out during the test process, so as to make the test result more accurate.
The utility model discloses falling ball impact test device's test procedure does:
s1, horizontally adjusting the rack 1 to enable the rack 1 to be vertical to the horizontal plane;
s2, adjusting the distance between the first support part 12 and the second support part 12 and the base 11 to enable the free falling body movement and the rebound movement of the steel ball to meet the requirements of the falling ball impact test;
s3, opening the positioning mechanism 6 to determine the impact position 2, and placing the sample at the impact position 2;
s4, the first falling ball fixing structure 3 is in an electrified state, and the steel ball is adsorbed on the first falling ball fixing structure 3;
s5, the first falling ball fixing mechanism 3 is in a power-off state, the first falling ball fixing mechanism 3 releases the steel ball, the steel ball falls freely and towards the middle of the sample, the sample is impacted, and the sensing mechanism 5 senses the position of the steel ball for the first time;
s6, when the steel ball rebounds from the surface of the sample and moves upwards to the height of the sensing mechanism 5, the sensing mechanism 5 senses the steel ball for the second time, the sensing mechanism 5 sends the position information of the steel ball to the second falling ball fixing mechanism 4, the second falling ball fixing mechanism 4 is in an electrified state, and the second falling ball fixing mechanism 4 adsorbs the steel ball.
To sum up, the utility model discloses ball drop impact test device, when first ball drop fixed establishment 3 loosens the steel ball, the steel ball from first ball drop fixed establishment 3 free fall impact to the sample and after the bounce-back, induction mechanism 5 can respond to the steel ball twice, induction mechanism 5 is after the second time response steel ball, induction mechanism 5 sends the position signal of steel ball to second ball drop fixed establishment 4, second ball drop fixed establishment 4 fixes the steel ball; therefore, the falling ball impact test device can control the free falling body of the steel ball in the test, reduce the test deviation and effectively prevent the steel ball from rebounding to carry out secondary impact on the sample after falling; in addition, the falling ball impact test device has the advantages of low cost, simple structure and easiness in operation.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. A falling ball impact test device, comprising:
a rack having an impact location at which a sample is placed;
the first ball falling fixing mechanism is movably arranged on the rack along the vertical direction and is used for fixing or loosening the steel ball so as to enable the steel ball to impact the sample;
the second ball falling fixing mechanism is arranged on the rack and is positioned below the first ball falling fixing mechanism, and the second ball falling fixing mechanism is provided with a through hole allowing the steel ball to pass through;
the induction mechanism is arranged on the rack and positioned between the second ball falling fixing mechanism and the sample, and is used for inducing the position information of the steel ball;
the second ball falling fixing mechanism is electrically connected with the sensing mechanism and can fix the steel ball after the steel ball impacts the sample for the first time.
2. The falling ball impact test device of claim 1, wherein the second falling ball fixing mechanism has at least one electromagnet provided with a through hole allowing the steel ball to pass through.
3. The falling ball impact test device according to claim 2, wherein the electromagnet is provided in plurality, and the plurality of electromagnets are stacked.
4. The falling ball impact test device of claim 1, further comprising a positioning mechanism for positioning the test piece at the impact position, the positioning mechanism being disposed on the frame.
5. The falling ball impact test device of claim 4, wherein the positioning mechanism is an infrared laser, and the infrared laser is arranged above the first falling ball fixing mechanism.
6. The falling ball impact test device of claim 1, further comprising a level gauge disposed on the frame.
7. The falling ball impact test device of claim 1, wherein the frame comprises a base, two support portions and at least three telescopic lifting sleeves, the lifting sleeves are arranged on the base in parallel, and the two support portions are arranged on the lifting sleeves at intervals along the vertical direction;
the first falling ball fixing mechanism and the second falling ball fixing mechanism are respectively arranged on the two supporting parts.
8. The falling ball impact test device of claim 7, wherein the lifting sleeve comprises a plurality of steel pipes detachably connected in a vertical direction, and the support part is detachably connected with the steel pipes.
9. The falling ball impact test device of claim 8, wherein the steel tube is provided with scale markings.
10. The falling ball impact test device of claim 1, wherein the sensing mechanism is an infrared sensor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021973685.5U CN212483221U (en) | 2020-09-10 | 2020-09-10 | Falling ball impact test device |
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| CN202021973685.5U CN212483221U (en) | 2020-09-10 | 2020-09-10 | Falling ball impact test device |
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| CN212483221U true CN212483221U (en) | 2021-02-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033829A (en) * | 2020-09-10 | 2020-12-04 | 广电计量检测（北京）有限公司 | Falling ball impact test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033829A (en) * | 2020-09-10 | 2020-12-04 | 广电计量检测（北京）有限公司 | Falling ball impact test device |
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