CN106950126B - Target object lateral impact test device and test method thereof - Google Patents
Target object lateral impact test device and test method thereof Download PDFInfo
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- CN106950126B CN106950126B CN201710279843.3A CN201710279843A CN106950126B CN 106950126 B CN106950126 B CN 106950126B CN 201710279843 A CN201710279843 A CN 201710279843A CN 106950126 B CN106950126 B CN 106950126B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a target lateral impact test device which comprises a frame, an impact hammer height measuring component, an impact hammer height adjusting component, an impact hammer speed measuring component, a secondary impact preventing component and a display screen, wherein the frame is provided with a first impact hammer and a second impact hammer; the impact hammer height measuring component consists of a displacement sensor arranged on the frame; the impact hammer height adjusting component comprises a telescopic connecting rod and an electric push rod, and the rear end of the impact hammer is fixed at the other end of the telescopic connecting rod; an electromagnetic relay is arranged on the telescopic connecting rod, one end of the electric push rod is hinged with the rack, and the other end of the electric push rod is connected to the electromagnetic relay; the impact hammer speed measuring component comprises a photoelectric door and a light barrier, wherein the photoelectric door is arranged on a lifting rod, and the light barrier is fixed on the impact hammer; the secondary collision preventing component comprises a rotating shaft, a brake disc, a brake caliper, a brake cable and a controller. The invention can provide larger impulse, can effectively avoid secondary impact, is convenient to use and low in cost, and can be used for side impact tests of various targets.
Description
Technical Field
The invention belongs to the field of lateral impact resistance performance test, and particularly relates to a target lateral impact test device.
Background
In view of the superior performance exhibited by the quadruped bionic robot, a research trend has been raised in recent years internationally. The research of four-foot bionic robots in China is still in a starting stage, and although related research works are developed in several universities in China, the performance of the developed robots does not have a system judgment standard. The associated high energy impact test equipment is few and cannot be quantitatively adjusted and displayed.
Disclosure of Invention
Aiming at the prior art, the invention provides the target lateral impact test device, fills the relevant blank in the prior art, provides a large impulse for the lateral impact resistance test of the robot, has the functions of quantitative adjustment and display, is convenient to use and low in cost, can be used for the lateral impact test and performance evaluation of the robot, and provides more uniform, visual and accurate evaluation standards for manufacturers, sellers and buyers.
In order to solve the technical problems, the invention provides a target lateral impact test device which comprises a frame, an impact hammer height measuring component, an impact hammer height adjusting component, an impact hammer speed measuring component, a secondary impact preventing component and a display screen, wherein the impact hammer speed measuring component is used for measuring the impact hammer height of the target lateral impact test device; the impact hammer comprises a front end of the impact hammer and a rear end of the impact hammer, and an elastic material is arranged at the front end of the impact hammer; the impact hammer height measuring component consists of a displacement sensor arranged on the frame; the impact hammer height adjusting component comprises a telescopic connecting rod and an electric push rod, one end of the telescopic connecting rod is connected with the secondary impact preventing component, and the rear end of the impact hammer is fixed at the other end of the telescopic connecting rod; an electromagnetic relay is arranged on the telescopic connecting rod, one end of the electric push rod is hinged with the rack, and the other end of the electric push rod is connected to the electromagnetic relay; the impact hammer speed measuring component comprises a photoelectric door and a light barrier, wherein the photoelectric door is arranged on a lifting rod, and the light barrier is fixed on the impact hammer; when the height of the impact hammer reaches a preset height, the electromagnetic relay is disconnected, the impact hammer freely swings down, and the instant speed of the impact hammer for impacting a target object is obtained by testing the time of the light barrier passing through the photoelectric door, so that the impact quantity can be obtained; the display displays the speed of the impact moment of the impact hammer; the secondary collision prevention component comprises a rotating shaft, a brake disc, a brake caliper, a brake cable and a controller, wherein the brake caliper is fixed with the frame, and two ends of the rotating shaft are connected with the frame through bearing components; the brake disc is arranged on the rotating shaft and is fixed with the other end of the telescopic connecting rod; the brake caliper is connected with the frame; when the impact hammer bounces to the highest point to be swung down again after striking the target object, the controller receives signals collected by the displacement sensor, and drives the brake caliper to brake by controlling the expansion and contraction of the brake cable, so that the impact hammer is fixed through the brake disc.
In the target lateral impact test device, the telescopic connecting rod comprises a first connecting rod and a second connecting rod which are sleeved together and fixed by a connecting bolt, the first connecting rod is fixedly connected with the rear end of the impact hammer, and the second connecting rod is fixedly connected with the brake disc in the secondary impact prevention component.
The lifting rod comprises an upper connecting rod and a lower connecting rod which are sleeved together and fixed by a connecting bolt, and the photoelectric door is fixed on the upper connecting rod.
The invention relates to a method for testing side impact of a target object, which comprises the following steps:
firstly, adjusting the relative position between a first connecting rod and a second connecting rod according to the required height; according to the height of the impact hammer, the relative position between the upper connecting rod and the lower connecting rod is adjusted; calculating the height of the impact hammer according to the required impact quantity, controlling the lifting height of the impact hammer through the extension and retraction of the electric push rod, and further adjusting the impact quantity provided by the impact hammer; when the displacement sensor detects that the impact hammer reaches a certain height, the electromagnetic relay is disconnected, and the impact hammer freely swings down to impact a target object; the instant speed when the impact hammer reaches the lowest point is obtained by testing the time of the light barrier arranged on the impact hammer passing through the photoelectric door, and then the actual speed at the impact instant is displayed by a display; when the impact hammer swings up to the highest point and is required to swing down again, the controller receives signals acquired by the displacement sensor and brakes through the brake caliper, so that the impact hammer is fixed at a certain height in the swinging down process, and secondary impact on a target object is avoided.
Compared with the prior art, the invention has the beneficial effects that:
according to the target object side impact test device, the impact force acting height can be adjusted in a large range, so that the height of a robot can be adapted; the impact force can be quantitatively adjusted by adjusting the release height of the impact hammer, and the height of the impact hammer can be accurately measured; the front end of the impact hammer is provided with an elastic material so as to prevent the damage to a test machine; the electric push rod can generate larger lifting force, so that larger impulse can be provided for an impact test; the impact hammer returns to a certain height after impacting once, thereby effectively avoiding secondary impact. The invention can provide larger impulse, has convenient use, lower cost and wide application range, and can be popularized and applied to various bionic robot lateral impact tests.
Drawings
FIG. 1 is a schematic view showing the overall structure of a side impact test apparatus for an object of the present invention.
Fig. 2 is a partial schematic view of a secondary impact device according to the present invention.
In the figure:
front end 2b of 1-frame 2 a-impact hammer-rear end of impact hammer
3-light barrier 4, 19-connecting bolt 5-first connecting rod
6-electromagnetic relay 7-electric push rod 8-displacement sensor
9-first connecting shaft 10-second connecting shaft 11-second connecting rod
12-brake caliper 13-brake disc 14-rotation shaft
15-bearing end cover 16-display screen 17-photoelectric door
18-upper connecting rod 20-lower connecting rod 21-brake cable
22-controller 23-bearing seat 24-connecting bolt
25-connecting bolt
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and the specific embodiments, which are only illustrative of the present invention and are not intended to limit the present invention.
As shown in fig. 1, the device for testing the side impact of the object provided by the invention comprises a frame 1, an impact hammer height measuring component, an impact hammer height adjusting component, an impact hammer speed measuring component, a secondary impact preventing component and a display screen 16.
The impact hammer comprises a front end 2a of the impact hammer and a rear end 2b of the impact hammer, and the front end 2a of the impact hammer is provided with an elastic material;
the impact hammer height measuring component consists of a displacement sensor 8 arranged on the frame 1;
the impact hammer height adjusting component comprises a telescopic connecting rod and an electric push rod 7, one end of the telescopic connecting rod is connected with the secondary impact preventing component, and the rear end 2b of the impact hammer is fixed at the other end of the telescopic connecting rod; an electromagnetic relay 6 is arranged on the telescopic connecting rod, one end of the electric push rod 7 is hinged with the rack 1 through a first connecting shaft 9, and the other end of the electric push rod 7 is connected to the electromagnetic relay 6 through a second connecting shaft 10; the telescopic connecting rod comprises a first connecting rod 5 and a second connecting rod 11 which are sleeved together and fixed by a connecting bolt, the first connecting rod 5 is fixedly connected with the rear end 2b of the impact hammer, and the second connecting rod 11 is fixedly connected with a brake disc 13 in the secondary impact prevention component.
The impact hammer speed measuring component is fixed on the ground and comprises a photoelectric door 17 and a light barrier 3, wherein the photoelectric door 17 is arranged on a lifting rod, and the light barrier 3 is fixed on the impact hammer; the lifting rod comprises an upper connecting rod 18 and a lower connecting rod 20 which are sleeved together and fixed by a connecting bolt 19, and the photoelectric door 17 is fixed on the upper connecting rod 18.
When the height of the impact hammer reaches a preset height, the electromagnetic relay 6 is disconnected, the impact hammer 2 freely swings down, and the instant speed of the impact hammer 2 impacting a target object is obtained by testing the time of the light barrier 3 passing through the photoelectric door 17, so that the impact quantity can be obtained; the display 16 displays the speed of the impact hammer 2 at the moment of impact;
as shown in fig. 2, the secondary collision preventing component comprises a rotating shaft 14, a brake disc 13, a brake caliper 12, a brake cable 21 and a controller 22, wherein the brake caliper 12 is fixed with the frame 1, and the rotating shaft 14 is connected with the bearing seat 23 through a bearing; the bearing seat 23 is connected with the frame 1 through the bearing seat connecting bolt 25. The brake disc 13 is fixed on the rotating shaft 14 through a connecting bolt 24 and is fixed with the other end of the telescopic connecting rod; the brake caliper 12 is connected with the frame 1; when the impact hammer 2 bounces to the highest point to be swung down again after striking the target object, the controller 22 receives the signal collected by the displacement sensor 8, and drives the brake caliper 12 to brake by controlling the expansion and contraction of the brake cable 21, so that the impact hammer is fixed through the brake disc 13.
The process of using the object side impact test device of the invention for testing is as follows:
firstly, adjusting the relative position between the first connecting rod 5 and the second connecting rod 11 according to the required height; by adjusting the relative position between the upper connecting rod 18 and the lower connecting rod 20 according to the height of the impact hammer; and calculating the height of the impact hammer according to the required impact quantity, and controlling the lifting height of the impact hammer through the extension and retraction of the electric push rod 7 so as to adjust the impact quantity provided by the impact hammer.
When the displacement sensor 8 detects that the impact hammer reaches a certain height, the electromagnetic relay 6 is disconnected, and the impact hammer freely swings down to impact a target object; by testing the time when the light barrier 3 arranged on the impact hammer passes the photogate 17, the instantaneous speed of the impact hammer at the lowest point is obtained, and the actual speed of the impact moment is displayed by the display 16.
When the impact hammer swings up to the highest point and swings down again, the controller 22 receives the signals collected by the displacement sensor 8 and brakes the impact hammer through the brake caliper 12, so that the impact hammer is fixed at a certain height in the swinging down process, and secondary impact on a target object is effectively avoided.
When the invention is used for a lateral impact test, the height of the impact force effect is adjustable, and the adjustable amplitude is more than or equal to 0.5m so as to ensure that the invention can adapt to the height of a target object; the impact force can be quantitatively adjusted by adjusting the release height of the impact hammer; the front end of the impact hammer is provided with an elastic material, so that the test machine is prevented from being damaged; by using an electric push rod, a larger lifting force can be generated, and thus a larger impulse can be provided for the impact test. The impact hammer returns to a certain angle after impacting once, so that secondary impact is avoided.
Although the invention has been described above with reference to the accompanying drawings, the invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by those of ordinary skill in the art without departing from the spirit of the invention, which fall within the protection of the invention.
Claims (2)
1. The target lateral impact test device comprises a frame (1) and an impact hammer, and is characterized by further comprising an impact hammer height measuring component, an impact hammer height adjusting component, an impact hammer speed measuring component, a secondary impact preventing component and a display screen (16);
the impact hammer comprises a front end (2 a) of the impact hammer and a rear end (2 b) of the impact hammer, and the front end (2 a) of the impact hammer is provided with an elastic material;
the impact hammer height measuring component consists of a displacement sensor (8) arranged on the frame (1);
the impact hammer height adjusting component comprises a telescopic connecting rod and an electric push rod (7), one end of the telescopic connecting rod is connected with the secondary impact preventing component, and the rear end (2 b) of the impact hammer is fixed at the other end of the telescopic connecting rod; an electromagnetic relay (6) is arranged on the telescopic connecting rod, one end of the electric push rod (7) is hinged with the rack (1), and the other end of the electric push rod (7) is connected to the electromagnetic relay (6);
the impact hammer speed measuring component comprises a photoelectric door (17) and a light barrier (3), wherein the photoelectric door (17) is arranged on a lifting rod, and the light barrier (3) is fixed on the impact hammer; when the height of the impact hammer reaches a preset height, the electromagnetic relay (6) is disconnected, the impact hammer (2) freely swings down, and the instant speed of the impact hammer (2) impacting a target object is obtained by testing the time of the light barrier (3) passing through the photoelectric door (17), so that the impact quantity can be obtained; the display screen (16) displays the speed of the impact moment of the impact hammer (2);
the secondary collision prevention component comprises a rotating shaft (14), a brake disc (13), a brake caliper (12), a brake cable (21) and a controller (22), wherein the brake caliper (12) is fixed with the frame (1), and two ends of the rotating shaft (14) are connected with the frame (1) through bearing components; the brake disc (13) is arranged on the rotating shaft (14) and is fixed with the other end of the telescopic connecting rod; the brake caliper (12) is connected with the frame (1); when the impact hammer (2) rebounds to the highest point to be swung down again after impacting a target object, the controller (22) receives signals acquired by the displacement sensor (8), and drives the brake caliper (12) to brake by controlling the expansion and contraction of the brake cable (21), so that the impact hammer is fixed by the brake disc (13);
the telescopic connecting rod comprises a first connecting rod (5) and a second connecting rod (11) which are sleeved together and fixed by a connecting bolt, the first connecting rod (5) is fixedly connected with the rear end (2 b) of the impact hammer, and the second connecting rod (11) is fixedly connected with a brake disc (13) in the secondary impact prevention component;
the lifting rod comprises an upper connecting rod (18) and a lower connecting rod (20) which are sleeved together and fixed by a connecting bolt (19), and the photoelectric door (17) is fixed on the upper connecting rod (18).
2. A method for testing the lateral impact of a target object, which is characterized in that the lateral impact testing device of claim 1 is used for testing the target object, wherein the testing process is as follows:
firstly, adjusting the relative position between a first connecting rod (5) and a second connecting rod (11) according to the required height; according to the height of the impact hammer, the relative position between the upper connecting rod (18) and the lower connecting rod (20) is adjusted; calculating the height of the impact hammer according to the required impact quantity, controlling the lifting height of the impact hammer through the extension and retraction of the electric push rod (7), and further adjusting the impact quantity provided by the impact hammer;
when the displacement sensor (8) detects that the impact hammer reaches a certain height, the electromagnetic relay (6) is disconnected, and the impact hammer freely swings down to impact a target object; the instant speed when the impact hammer reaches the lowest point is obtained by testing the time when the light barrier (3) arranged on the impact hammer passes through the photoelectric door (17), and then the actual speed at the impact instant is displayed through the display screen (16);
when the impact hammer swings up to the highest point and swings down again, the controller (22) receives signals acquired by the displacement sensor (8), and the signals are braked by the brake caliper (12), so that the impact hammer is fixed at a certain height in the swinging down process, and secondary impact on a target object is avoided.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710279843.3A CN106950126B (en) | 2017-04-25 | 2017-04-25 | Target object lateral impact test device and test method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710279843.3A CN106950126B (en) | 2017-04-25 | 2017-04-25 | Target object lateral impact test device and test method thereof |
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| CN106950126B true CN106950126B (en) | 2023-07-18 |
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| CN109142096B (en) * | 2018-09-26 | 2021-01-15 | 邓根水 | Be applied to near marine exploration ship steel strength detection device of polar region circle |
| CN112393832B (en) * | 2019-11-21 | 2022-06-28 | 中国科学院微小卫星创新研究院 | Thimble type micro-impulse applying device for micro-impulse testing mechanism |
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| CN112924130B (en) * | 2021-03-19 | 2023-06-09 | 中国第一汽车股份有限公司 | Impact test device and method for automobile parts |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539255A (en) * | 2011-12-20 | 2012-07-04 | 上海交通大学 | Portable multi-measurement-parameter low-speed impact tester |
| CN103792152A (en) * | 2014-01-16 | 2014-05-14 | 海洋化工研究院有限公司 | Special impact test machine with adjustable chain for anti-skid coating |
| CN104502091A (en) * | 2015-01-16 | 2015-04-08 | 中国工程物理研究院总体工程研究所 | Temperature field grid shelf dynamic buckling integration test apparatus |
| CN106568659A (en) * | 2015-10-10 | 2017-04-19 | 中国科学院深圳先进技术研究院 | Impact testing apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5926853B2 (en) * | 2012-03-31 | 2016-05-25 | 中国▲鉱▼▲業▼大学（北京） | Dynamic performance test system |
-
2017
- 2017-04-25 CN CN201710279843.3A patent/CN106950126B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539255A (en) * | 2011-12-20 | 2012-07-04 | 上海交通大学 | Portable multi-measurement-parameter low-speed impact tester |
| CN103792152A (en) * | 2014-01-16 | 2014-05-14 | 海洋化工研究院有限公司 | Special impact test machine with adjustable chain for anti-skid coating |
| CN104502091A (en) * | 2015-01-16 | 2015-04-08 | 中国工程物理研究院总体工程研究所 | Temperature field grid shelf dynamic buckling integration test apparatus |
| CN106568659A (en) * | 2015-10-10 | 2017-04-19 | 中国科学院深圳先进技术研究院 | Impact testing apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 可实现多参数测试的落锤式冲击试验机;邱自学;袁江;姚兴田;;仪表技术与传感器(第08期);全文 * |
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