CN213903175U - Measuring device for rapidly determining collision recovery coefficient of object - Google Patents
Measuring device for rapidly determining collision recovery coefficient of object Download PDFInfo
- Publication number
- CN213903175U CN213903175U CN202022342526.1U CN202022342526U CN213903175U CN 213903175 U CN213903175 U CN 213903175U CN 202022342526 U CN202022342526 U CN 202022342526U CN 213903175 U CN213903175 U CN 213903175U
- Authority
- CN
- China
- Prior art keywords
- collision
- suction nozzle
- acoustic emission
- range finder
- laser range
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model discloses a device of short-term test object collision coefficient of restitution belongs to material experiment technical field. The device for rapidly determining the collision recovery coefficient of the object comprises an adsorption mechanism, a collision mechanism and an information acquisition mechanism; the adsorption mechanism comprises a vacuum negative pressure pump and a suction nozzle connected with the vacuum negative pressure pump through an air pipe; the collision mechanism comprises a support frame and a slide rod, and a collision plate is fixedly arranged in the center of the bottom of the support frame; the information acquisition mechanism comprises a plurality of acoustic emission sensors, a DS2 type full information acoustic emission measuring instrument, a laser range finder and a microcomputer. The utility model discloses can accurate measurement await measuring object release height on setting up convenient basis, can also avoid the object that awaits measuring to take place to rotate in the release process simultaneously, further ensure measuring result's accuracy, realize quick, accurate survey object collision coefficient of restitution.
Description
Technical Field
The utility model belongs to the technical field of the experimental technique of material and specifically relates to a measuring device of short-term test object collision coefficient of restitution.
Background
The recovery coefficient is an important physical parameter in physics, reflects the deformation and deformation recovery capacity of an object in the contact collision process, and can reflect the energy loss condition in the collision process, and is widely applied to different fields of geotechnical mechanics, material engineering disciplines, research of elastic collision in physics, finite element simulation and the like; the accurate determination of the material recovery coefficient is a problem to be solved since the measurement accuracy of the recovery coefficient depends to a large extent on the release height of the collision and the measurement accuracy of the minute time intervals.
The conventional measuring method is an acoustic wave sensor measuring method, but the conventional measuring method has the defects that the measurement of the release height is not accurate, and an object to be measured is easy to rotate in the falling process; the measurement method using the electromagnet also has a disadvantage of being greatly disturbed by the outside.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art not enough, provide a measure accurate, receive the little rapid determination object collision coefficient of restitution's of external disturbance measuring device.
The utility model aims to solve the technical problem that realize through following technical scheme, the utility model relates to a measuring device of short-term test object collision coefficient of restitution, its characteristics are: comprises an adsorption mechanism, a collision mechanism and an information acquisition mechanism;
the adsorption mechanism comprises a vacuum negative pressure pump, and the vacuum negative pressure pump is connected with a suction nozzle through an air pipe;
the collision mechanism comprises a support frame and a slide rod, a collision plate is fixedly arranged in the center of the bottom of the support frame, a collision part is arranged in the center of the collision plate, the slide rod is transversely arranged on the support frame and is positioned right above the collision part, and the suction nozzle is arranged in the middle of the slide rod;
the information acquisition mechanism include a plurality of acoustic emission sensor, DS2 type full information acoustic emission measuring apparatu, laser range finder and microcomputer, acoustic emission sensor circumference fixed mounting on the collision board around the striking portion to link to each other with DS2 type full information acoustic emission measuring apparatu through the signal line, laser range finder fixed mounting is in the middle part of the slide bar, laser range finder and DS2 type full information acoustic emission measuring apparatu all link to each other with the microcomputer through the signal line.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the measuring device of short-term test object collision coefficient of restitution among: the support frame be the square frame, the movable pulley of slide bar through its both ends is installed on the upper portion of support frame, still vertical the installing of slide bar is adjusted the pole, suction nozzle and laser range finder all install on adjusting the pole.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the measuring device of short-term test object collision coefficient of restitution among: the adjusting rod is installed on the sliding rod through a fastening clamp.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the measuring device of short-term test object collision coefficient of restitution among: the acoustic emission sensor is 4.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the measuring device of short-term test object collision coefficient of restitution among: the suction nozzle be the alloy suction nozzle, fixed mounting has the rubber circle on the alloy suction nozzle, laser range finder fixed mounting is in suction nozzle one side.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the measuring device provided by the invention is simple in structure and convenient to build; the laser range finder can accurately measure the release height, and the alloy suction nozzle releases the object to be detected and avoids rotating when the object to be detected falls.
(2) The aluminum profile slide bar arranged in the invention can change the release position of the object to be tested, and the connecting rod can change the release height of the object to be tested, so that the accuracy of the experimental result can be improved by measuring for many times.
(3) The rubber ring coated on the edge of the lower opening of the alloy suction nozzle can more stably adsorb an object to be detected.
Drawings
Fig. 1 is a schematic structural diagram of a measuring device according to the present invention;
fig. 2 is a side view of the measuring device of the present invention;
FIG. 3 is a partial structural view of the measuring device of the present invention;
FIG. 4 is an enlarged schematic view of the structure of part A of the measuring device of the present invention;
fig. 5 is a schematic structural diagram of an aluminum profile slide bar.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings in order to facilitate further understanding of the present invention by those skilled in the art, and does not constitute a limitation of the right thereto.
Example 1, with reference to fig. 1-5, a measuring device for rapidly determining the impact restitution coefficient of an object: comprises an adsorption mechanism, a collision mechanism and an information acquisition mechanism;
the adsorption mechanism comprises a vacuum negative pressure pump 10, and the vacuum negative pressure pump 10 is connected with a suction nozzle 12 through an air pipe 11;
the collision mechanism comprises a support frame 20 and a slide rod 22, a collision plate 21 is fixedly mounted at the center of the bottom of the support frame 20, a collision part 24 is arranged at the center of the collision plate 21, the slide rod 22 is transversely mounted on the support frame 20 and is positioned right above the collision part 24, and the suction nozzle 12 is mounted in the middle of the slide rod 22;
information acquisition mechanism include four acoustic emission sensors 32, DS2 type full information acoustic emission measuring apparatu 33, laser range finder 13 and microcomputer 34, acoustic emission sensor 32 circumference fixed mounting on striking portion collision board 21 all around, and evenly distributed is around striking portion 24 to pass through signal line 31 and DS2 type full information acoustic emission measuring apparatu 33 and link to each other, laser range finder 13 fixed mounting is in the middle part of slide bar 22, laser range finder 13 and DS2 type full information acoustic emission measuring apparatu 33 all link to each other with microcomputer 34 through signal line 31.
When in use, an object to be measured is absorbed by the suction nozzle 12, and the release height of the object to be measured is measured by the laser range finder 13; when an object falls and collides with the collision portion 24 of the collision plate 21, the microcomputer 34 can collect data on the pellets.
Embodiment 2, in the measuring device for rapidly determining the collision recovery coefficient of an object according to embodiment 1, the supporting frame 20 is a square frame, the sliding rod 22 is installed on the upper portion of the supporting frame 20 through the sliding wheels 40 at both ends of the sliding rod 22, the sliding rod 22 is also vertically installed with the height adjusting rod 23, and the suction nozzle 12 and the laser range finder 13 are both installed on the height adjusting rod 23;
the adjusting rod 23 is installed on the sliding rod 22 through a fastening clamp 25, the number of the acoustic emission sensors 32 is 4, and the acoustic emission sensors are equidistantly arranged around the impact part 24 by taking the center of the impact part 24 as a circle center;
the suction nozzle 12 is an alloy suction nozzle, a rubber ring is fixedly arranged on the alloy suction nozzle 12, and the laser range finder 13 is fixedly arranged on one side of the suction nozzle 12;
the slide bar 22 can adjust the position of the object to be released, so that the release position is positioned right above the impact part 24, and the adjusting rod 23 can adjust the release height of the object to be detected, so that the object to be detected can be released at different heights, and more experimental data can be obtained; the rubber ring arranged on the suction nozzle 23 can enable the suction nozzle to more firmly adsorb the object to be detected, and meanwhile, the object to be detected is prevented from deflecting when being released.
Claims (5)
1. A measuring device for rapidly determining the collision recovery coefficient of an object, characterized in that: comprises an adsorption mechanism, a collision mechanism and an information acquisition mechanism;
the adsorption mechanism comprises a vacuum negative pressure pump, and the vacuum negative pressure pump is connected with a suction nozzle through an air pipe;
the collision mechanism comprises a support frame and a slide rod, a collision plate is fixedly mounted in the center of the bottom of the support frame, a collision part is arranged in the center of the collision plate, the slide rod is transversely mounted on the support and is positioned right above the collision part, and the suction nozzle is mounted in the middle of the slide rod;
the information acquisition mechanism include a plurality of acoustic emission sensor, DS2 type full information acoustic emission measuring apparatu, laser range finder and microcomputer, acoustic emission sensor circumference fixed mounting on the collision board around the striking portion to link to each other with DS2 type full information acoustic emission measuring apparatu through the signal line, laser range finder fixed mounting is in the middle part of the slide bar, laser range finder and DS2 type full information acoustic emission measuring apparatu all link to each other with the microcomputer through the signal line.
2. The measurement device for rapidly determining the collision restitution coefficient of an object according to claim 1, wherein: the support frame be the square frame, the slide bar is installed on the upper portion of support frame through the movable pulley at its both ends, still vertically installs the altitude mixture control pole on the slide bar, suction nozzle and laser range finder all install on the altitude mixture control pole.
3. The apparatus for rapidly determining the collision restitution coefficient of an object according to claim 2, wherein: the adjusting rod is installed on the sliding rod through a fastening clamp.
4. The measurement device for rapidly determining the collision restitution coefficient of an object according to claim 1, wherein: the number of the acoustic emission sensors is 4.
5. The measurement device for rapidly determining the collision restitution coefficient of an object according to claim 1, wherein: the suction nozzle be the alloy suction nozzle, fixed mounting has the rubber circle on the alloy suction nozzle, laser range finder fixed mounting is in suction nozzle one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022342526.1U CN213903175U (en) | 2020-10-20 | 2020-10-20 | Measuring device for rapidly determining collision recovery coefficient of object |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022342526.1U CN213903175U (en) | 2020-10-20 | 2020-10-20 | Measuring device for rapidly determining collision recovery coefficient of object |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213903175U true CN213903175U (en) | 2021-08-06 |
Family
ID=77113635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022342526.1U Active CN213903175U (en) | 2020-10-20 | 2020-10-20 | Measuring device for rapidly determining collision recovery coefficient of object |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213903175U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397079A (en) * | 2021-11-24 | 2022-04-26 | 东北农业大学 | Intelligent multifunctional collision recovery coefficient measuring device |
-
2020
- 2020-10-20 CN CN202022342526.1U patent/CN213903175U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397079A (en) * | 2021-11-24 | 2022-04-26 | 东北农业大学 | Intelligent multifunctional collision recovery coefficient measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11680884B2 (en) | Apparatus and a method for testing water absorption of concrete in a direction parallel with a load applying direction | |
| CN213903175U (en) | Measuring device for rapidly determining collision recovery coefficient of object | |
| CN112129649A (en) | Measuring device and method for rapidly determining collision recovery coefficient of object | |
| CN205910917U (en) | Acceleration of gravity measuring device | |
| CN211601915U (en) | Angle measuring instrument | |
| CN210154458U (en) | Checking fixture for rapidly detecting size of part | |
| CN113588787B (en) | Watermelon maturity detector and detection method | |
| CN211235295U (en) | Building quality detection device | |
| CN109916582A (en) | A kind of precision amount of deflection self-operated measuring unit and measurement method | |
| CN109779851A (en) | A kind of wind power generating set acoustic power level measuring device and method | |
| CN104504965A (en) | Method of verifying momentum theorem in action of variable forces | |
| CN212674673U (en) | Anti-deformation test monitoring device for anti-glare panel under multi-cycle loading and unloading | |
| CN210155165U (en) | Simple and easy ultrasonic wave wind sensor wind direction detects frock | |
| CN104504968A (en) | Gravity acceleration measuring method | |
| CN209559463U (en) | A kind of wind-tunnel inner section air monitoring device and monitoring system | |
| CN206649172U (en) | A kind of physics free-fall testing instrument | |
| CN208805338U (en) | A kind of collision detection tooling of car-mounted terminal | |
| CN107228808B (en) | Construction site dust pollution detection device and detection method thereof | |
| CN209043565U (en) | A kind of wind-tunnel inner section flowing field stability measuring device | |
| CN207881825U (en) | A kind of ultrasonic wave wind direction and wind velocity measuring device | |
| CN220960255U (en) | Metering precision self-adaptive calibrating device for ultrasonic gas meter | |
| CN201004282Y (en) | Centripetal force experimental tool | |
| CN220982978U (en) | Device for testing impact resistance of flexible glass | |
| CN204286296U (en) | A kind of link | |
| CN216899025U (en) | Supporting device for near-ground thermal environment monitoring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |