CN211927571U - Device for testing material performance during impact - Google Patents
Device for testing material performance during impact Download PDFInfo
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- CN211927571U CN211927571U CN202020721185.6U CN202020721185U CN211927571U CN 211927571 U CN211927571 U CN 211927571U CN 202020721185 U CN202020721185 U CN 202020721185U CN 211927571 U CN211927571 U CN 211927571U
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Abstract
The utility model relates to an inspection device of material performance during inspection striking belongs to material performance check out test set field. Including the objective table that is used for supporting and fixed inspected sample, be provided with the hammer that falls that is used for striking inspected sample directly over the objective table, the pulley that the hammer that falls set up from top to bottom through the left and right sides is connected with the guide rail of the vertical setting of the hammer both sides that falls, the outside of guide rail is fixed with frame construction's hoisting support, hoisting support's crossbeam is located the top of guide rail, be fixed with the hoist and mount system that is used for hoist and mount hammer that falls on the crossbeam directly over the hammer that falls, be electromagnetic means under the hoist and mount system, electromagnetic means fixes on the crossbeam, electromagnetic means can adsorb the hammer that falls. The utility model discloses simulated the car at the change process of true quick collision in-process bumper energy-absorbing box, whether effective judgement aluminum alloy material reaches the standard requirement through actual shrink distance.
Description
Technical Field
The utility model belongs to material performance check out test set field relates to an inspection device of material performance when inspection striking.
Background
Aluminum alloy materials are applied to automobile products more and more widely, wherein an energy absorption box of an automobile bumper is an important part for representing the safety performance of an automobile, but effective inspection measures are lacked at present. At present, only enterprise standards exist, an inspection mode in enterprises is to extrude a material sample of an energy absorption box slowly at a constant speed, whether cracks exist on the compressed surface is observed to judge the quality of the material, and the existing test can not completely simulate the performance of the raw material of the energy absorption box in the real automobile collision process, so that the impact test is designed to truly simulate the quality of the material of the energy absorption box of an automobile in the collision process.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a process through the real collision of quick impact test simulation car can inspect the verifying attachment of material performance when striking.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an inspection device of material performance during inspection striking, including the objective table that is used for supporting and fixed inspected sample, be provided with the hammer that falls that is used for striking inspected sample directly over the objective table, the pulley that the hammer that falls set up about through the left and right sides is connected with the guide rail of the vertical setting of the hammer both sides that falls, the outside of guide rail is fixed with frame construction's hoisting support, hoisting support's crossbeam is located the top of guide rail, be fixed with the hoist and mount system that is used for hoist and mount hammer on the crossbeam directly over the hammer that falls, be electromagnetic means under the hoist and mount system, electromagnetic means fixes on the crossbeam, electromagnetic means can adsorb the hammer that falls.
Furthermore, anti-collision devices are fixed on two sides of the object stage, and the height of each anti-collision device is higher than that of the object stage and lower than that of the detected sample.
Furthermore, two sides of the drop hammer protrude out of the anti-collision device, and the guide rails are located on two sides of the anti-collision device.
Furthermore, a pair of limiting devices for limiting the drop hammer are oppositely arranged at the uppermost end of the inner side of the guide rail.
Furthermore, the guide rail is fixed on the side upright post of the hoisting support through a guide rail support.
Furthermore, a laser speed measuring transmitter is fixed at the lower end of the side wall of the drop hammer, and a laser speed measuring receiver matched with the laser speed measuring transmitter for use is fixed on the guide rail.
Furthermore, the laser speed measuring transmitter and the laser speed measuring receiver are respectively connected with the control system.
Furthermore, the periphery of the hoisting support is fixed with an anti-splashing protection grid.
Furthermore, the hoisting system and the electromagnetic device are respectively connected with the control system.
The beneficial effects of the utility model reside in that:
the utility model discloses simulated the car at the change process of true quick collision in-process bumper energy-absorbing box, whether effective judgement aluminum alloy material reaches the standard requirement through actual shrink distance.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Reference numerals:
1. a splash-proof protective grid; 2. hoisting a support; 3. a rail bracket; 4. a pulley; 5. dropping a hammer; 6. a limiting device; 7. hoisting the system; 8. an electromagnetic device support; 9. an electromagnetic device; 10. a laser speed measuring transmitter; 11. a sample to be detected; 12. an object stage; 13. an anti-collision device; 14. a laser speed measuring receiver; 15. a control system; 16. a guide rail.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
As shown in the figure, the device for testing the material performance during the impact comprises an object stage 12 for supporting and fixing a tested sample 11, wherein two sides of the object stage 12 are fixed with anti-collision devices 13, and the heights of the anti-collision devices 13 are higher than the object stage 12 and lower than the tested sample 11, so that the object stage 12 is prevented from being damaged by a falling hammer 5 in the falling process.
A drop weight 5 for impacting a sample 11 to be tested is arranged right above the stage 12, the drop weight 5 is connected with vertically arranged guide rails 16 at two sides of the drop weight 5 through pulleys 4 arranged at the left side and the right side up and down, and the drop weight 5 can slide in the guide rails 16 smoothly by the pulleys 4, so that the friction resistance is reduced as much as possible. Both sides of the drop hammer 5 protrude from the bump guards 13, and the guide rails 16 are located on both sides of the bump guards 13. A pair of limiting devices 6 are oppositely arranged at the uppermost end of the inner side of the guide rail 16, and the limiting devices 6 enable the drop hammer 5 to play a limiting role in the ascending process. Stop device 6 can be dismantled, makes the hammer 5 that falls directly adsorb on electromagnetic device 9 after the dismantlement, if electromagnetic device 9's suction is enough big, stop device 6 does not dismantle, and the hammer 5 that falls can directly adsorb in stop device 6 department.
The outer side of the guide rail 16 is fixed with a hoisting bracket 2 with a frame structure, and the guide rail 16 is fixed on a side upright post of the hoisting bracket 2 through a guide rail bracket 3. The rail bracket 3 provides a supporting function to minimize deformation of the rail 16 during movement. The beam of the hoisting support 2 is positioned above the guide rail 16, and a hoisting system 7 for hoisting the drop hammer 5 is fixed on the beam right above the drop hammer 5, so that the drop hammer 5 is lifted to a specified position. The hoist system 7 is a conventional hoist system in the art, such as an elevator or the like.
An electromagnetic device 9 is arranged right below the hoisting system 7, and the electromagnetic device 9 is fixed on the beam through an electromagnetic device bracket 8. The electromagnetic device 9 allows the drop weight 5 to be attracted to the device by an electromagnetic force, and allows the drop weight 5 to be perpendicular to the ground, so that the pendulum can strike the sample 11 in a falling state at the moment of power failure.
The lower end of the side wall of the drop hammer 5 is fixed with a laser speed measuring transmitter 10, and a laser speed measuring receiver 14 matched with the laser speed measuring transmitter 10 for use is fixed on the guide rail 16. The laser speed measuring transmitter 10 is used for transmitting laser, so that the laser speed measuring receiver 14 receives signals, and thus the instantaneous speed per hour is measured.
The periphery of the hoisting support 2 is fixed with an anti-splash protective grid 1, and the anti-splash protective grid 1 prevents aluminum alloy from being broken and flying out in the collision process to cause accidental injury.
The hoisting system 7, the electromagnetic device 9, the laser speed measuring transmitter 10 and the laser speed measuring receiver 14 are respectively connected with the control system 15, and the control system 15 is used for controlling the operation of the whole device and displaying the instantaneous speed of the drop hammer 5.
The utility model discloses a theory of operation:
(1) clamping the sample 11 to be detected on an object stage 12, and adjusting the height of the sample 11 to be detected to enable the sample 11 to be detected and the laser speed measuring receiver 14 to be on a horizontal line, so that the laser speed measuring receiver 14 can receive the instant speed when the drop hammer 5 touches the sample at the instant of impact;
(2) controlling the electric hoisting system 7 to lift the drop hammer 5 to reach the highest position through the control system 15, starting the electromagnetic device 9 to fix the pendulum bob, taking down the hoisting equipment on the drop hammer 5, closing the electromagnetic device 9 to enable the drop hammer 5 to impact the sample 11 to be tested in a free-falling state, enabling the sample 11 to be tested to shrink, then installing a hoisting hanger, lifting the drop hammer 5 to a proper position, and taking down the sample 11 to be tested for measurement;
(3) the cross section area S of the detected sample and the minimum yield strength R of the detected material can be known through the detected sample drawingeThe mass M of the drop weight 5 and the instantaneous movement velocity V of the drop weight 5 during the impact are falling from the initial static state, so the initial velocity is zero, and the kinetic energy of the drop weight 5 is the energy for contracting the sample 11 under test by using the energy conservation, and the formula R is usedeSL1＝1/2MV2The preset shrinkage distance L can be obtained1；
(4) Measuring the impacted sample 11 to measure the crushing distance L of the impacted sample2If L is2＜L1The compressive yield strength of the tested sample is larger than the theoretical yield strength of the material, and the material is proved to be capable of impactingThe impact energy is well absorbed, the compressive yield strength of the material and the plasticity of the material are qualified, and if L is the same as L2＞L1The material property is rejected.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (9)
1. An inspection device for inspecting the properties of a material during impact, characterized in that: including objective table (12) that is used for supporting and fixed inspected sample (11), be provided with directly over objective table (12) and be used for striking falling hammer (5) of inspected sample (11), pulley (4) that falling hammer (5) set up from top to bottom through the left and right sides is connected with guide rail (16) of the vertical setting of falling hammer (5) both sides, the outside of guide rail (16) is fixed with frame construction's hoisting support (2), the crossbeam of hoisting support (2) is located the top of guide rail (16), be fixed with hoisting system (7) that are used for hoist and mount falling hammer (5) on the crossbeam directly over falling hammer (5), be electromagnetic means (9) directly under hoisting system (7), electromagnetic means (9) are fixed on the crossbeam, electromagnetic means (9) can adsorb falling hammer (5).
2. An apparatus for testing the properties of materials at impact as claimed in claim 1 wherein: anti-collision devices (13) are fixed on two sides of the object stage (12), and the height of each anti-collision device (13) is higher than that of the object stage (12) and lower than that of the sample (11) to be detected.
3. An apparatus for testing the properties of materials at impact as claimed in claim 1 wherein: two sides of the drop hammer (5) protrude out of the anti-collision device (13), and the guide rails (16) are positioned on two sides of the anti-collision device (13).
4. An apparatus for testing the properties of materials at impact as claimed in claim 1 wherein: and a pair of limiting devices (6) for limiting the falling hammer (5) are oppositely arranged at the uppermost end of the inner side of the guide rail (16).
5. An apparatus for testing the properties of materials at impact as claimed in claim 1 wherein: the guide rail (16) is fixed on the side upright post of the hoisting bracket (2) through the guide rail bracket (3).
6. An apparatus for testing the properties of materials at impact as claimed in claim 1 wherein: the lower end of the side wall of the drop hammer (5) is fixed with a laser speed measuring transmitter (10), and a laser speed measuring receiver (14) matched with the laser speed measuring transmitter (10) for use is fixed on the guide rail (16).
7. An apparatus as claimed in claim 6, wherein the apparatus further comprises: the laser speed measuring transmitter (10) and the laser speed measuring receiver (14) are respectively connected with the control system (15).
8. An apparatus for testing the properties of materials at impact as claimed in claim 1 wherein: the periphery of the hoisting support (2) is fixed with a splash-proof protective grid (1).
9. An apparatus for testing the properties of materials at impact as claimed in claim 1 wherein: the hoisting system (7) and the electromagnetic device (9) are respectively connected with the control system (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020721185.6U CN211927571U (en) | 2020-05-06 | 2020-05-06 | Device for testing material performance during impact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020721185.6U CN211927571U (en) | 2020-05-06 | 2020-05-06 | Device for testing material performance during impact |
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| CN211927571U true CN211927571U (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020721185.6U Active CN211927571U (en) | 2020-05-06 | 2020-05-06 | Device for testing material performance during impact |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865886A (en) * | 2021-09-27 | 2021-12-31 | 武汉瑞兴装备制造有限公司 | Impact resistance simulation test device for automobile covering part |
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2020
- 2020-05-06 CN CN202020721185.6U patent/CN211927571U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865886A (en) * | 2021-09-27 | 2021-12-31 | 武汉瑞兴装备制造有限公司 | Impact resistance simulation test device for automobile covering part |
| CN113865886B (en) * | 2021-09-27 | 2023-12-19 | 重庆讯格工业设计研究院有限公司 | Impact resistance simulation test device for automobile covering part |
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