CN108519275B - Small-tonnage multichannel pressure loading test device - Google Patents
Small-tonnage multichannel pressure loading test device Download PDFInfo
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- CN108519275B CN108519275B CN201810215563.0A CN201810215563A CN108519275B CN 108519275 B CN108519275 B CN 108519275B CN 201810215563 A CN201810215563 A CN 201810215563A CN 108519275 B CN108519275 B CN 108519275B
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- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- 238000004088 simulation Methods 0.000 abstract description 4
- 238000011160 research Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 238000004154 testing of material Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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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
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
Abstract
The invention discloses a small-tonnage multichannel pressure loading test device which comprises four load sensors, wherein the four load sensors are arranged on a sensor mounting bracket, a product mounting platform is also arranged on the sensor mounting bracket, a connecting hole is formed in the top end of each load sensor, an arc-surface pressure head is also arranged above the product mounting platform, four through holes are formed in the arc-surface pressure head, and the arc-surface pressure head is connected with the connecting hole in the top end of each load sensor through a loading screw penetrating through the through holes. The loading test device provided by the invention adopts a four-group screw locking mode, and respectively transmits the loading force to the data processing terminal through the independent load sensor so as to simulate the stress condition research of a product with a cambered surface after being fastened in the box. The invention can realize the pressure simulation uniform loading of large-size products with cambered surfaces. The device has the integral maximum loading force of 20kN, is provided with four independent loading and measuring channels, and can meet the pressure loading and measuring requirements of small-tonnage multi-channels of products.
Description
Technical Field
The invention relates to a pressure loading test device, in particular to a small-tonnage multichannel pressure loading test device, and belongs to the technical field of material mechanical property test devices.
Background
At present, the mechanical properties of the materials are mainly obtained by testing through a material testing machine. However, for a large-size integral sample, especially an integral sample with a certain radian on the surface of a product to be tested, the traditional single-point loading test method of the material testing machine is difficult to perform simulation test research on the stress state of the whole product after packaging and fastening.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a small-tonnage multi-channel pressure loading test device which can carry out a pressure loading test on a whole sample which is large in size and has a certain radian on the surface.
The invention is realized by the following steps:
the utility model provides a small-tonnage multichannel pressure loading test device, includes four load cell, and four load cell install on the sensor installing support, still be provided with product mounting platform, are provided with the connecting hole on load cell top, and product mounting platform top still is provided with the cambered surface pressure head, is provided with four through-holes on the cambered surface pressure head, and the cambered surface pressure head is connected with the connecting hole on load cell top through the loading screw that passes the through-hole.
The further scheme is as follows:
the load sensor is an S-shaped load sensor.
The further scheme is as follows:
the maximum load of each S-shaped load sensor does not exceed 5 kN.
The further scheme is as follows:
the product mounting platform is provided with four holes for mounting large-size products with cambered surfaces.
The further scheme is as follows:
the radian of the cambered surface pressure head has various specifications and is the same as the radian of the surface of the sample.
The loading test device provided by the invention adopts a four-group screw locking mode, and respectively transmits the loading force to the data processing terminal through the independent load sensor so as to simulate the stress condition research of a product with a cambered surface after being fastened in the box. According to the invention, by designing a loading structure and a measuring mode, the pressure simulation uniform loading of a large-size product with a cambered surface can be realized. The device has the integral maximum loading force of 20kN, is provided with four independent loading and measuring channels, and can meet the pressure loading and measuring requirements of small-tonnage multi-channels of products.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a small-tonnage multi-channel pressure loading test device of the invention;
FIG. 2 is a schematic view of the installation and connection of the small-tonnage multi-channel pressure loading test device.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
As shown in attached figures 1 and 2, the small-tonnage multi-channel pressure loading test device selects an S-shaped load sensor 4 with high repetition precision for loading and measuring small-tonnage test force, and the maximum load of each sensor does not exceed 5 kN. In the device, an S-shaped load sensor 4 and a sensor mounting bracket 5 are fastened and connected by adopting M12 screws to form four groups of independent measuring units, and then the four groups of measuring units are fastened and connected with a product mounting platform 3 by adopting M3 screws. The installation and connection mode is shown in fig. 2, and the length of the screw can be selected according to actual conditions.
During the use, the large-size cambered surface product that will await measuring is placed on product mounting platform 3 to it is fixed through four mounting holes of bottom, in order to prevent that in the test process, the product from taking place the offset because of the atress. And then, installing the cambered surface pressure head 1 matched with the surface radian of the product on the product, wherein at the moment, the four through holes of the cambered surface pressure head 1 are basically aligned with the connecting holes of the S-shaped load sensor 4 respectively. Then, the four loading screws 2 are respectively connected with the S-shaped load sensor 4 through the through holes of the cambered pressure head 1. The screw connection adopts opposite side to be installed in sequence, so that the uniform stress of the product is ensured.
After the installation is finished, the four 2-loading screws can be slowly screwed, so that the uniform loading of the simulation pressure of the large-size product with the cambered surface can be realized.
Although the present invention has been described herein with reference to the illustrated embodiments thereof, which are intended to be preferred embodiments of the present invention, it is to be understood that the invention is not limited thereto, and that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure.
Claims (5)
1. The utility model provides a small-tonnage multichannel pressure loading test device, includes four load cell, its characterized in that: the four load sensors are mounted on the sensor mounting support, a product mounting platform is further arranged on the sensor mounting support, connecting holes are formed in the top ends of the load sensors, an arc-surface pressure head is further arranged above the product mounting platform, four through holes are formed in the arc-surface pressure head, and the arc-surface pressure head is connected with the connecting holes in the top ends of the load sensors through loading screws penetrating through the through holes; the cambered surface pressure head is matched with the surface radian of the product, and the four loading screws are slowly screwed, so that the uniform loading of the simulated pressure of the large-size product with the cambered surface is realized.
2. The small tonnage multichannel pressure loading test device according to claim 1, characterized in that:
the load sensor is an S-shaped load sensor.
3. The small tonnage multichannel pressure loading test device according to claim 2, characterized in that:
the maximum load of each S-shaped load sensor does not exceed 5 kN.
4. The small tonnage multichannel pressure loading test device according to claim 1, characterized in that:
the product mounting platform is provided with four holes for mounting large-size products with cambered surfaces.
5. The small tonnage multichannel pressure loading test device according to claim 1, characterized in that: the radian of the cambered surface pressure head has various specifications and is the same as the radian of the surface of the sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810215563.0A CN108519275B (en) | 2018-03-15 | 2018-03-15 | Small-tonnage multichannel pressure loading test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810215563.0A CN108519275B (en) | 2018-03-15 | 2018-03-15 | Small-tonnage multichannel pressure loading test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108519275A CN108519275A (en) | 2018-09-11 |
| CN108519275B true CN108519275B (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810215563.0A Expired - Fee Related CN108519275B (en) | 2018-03-15 | 2018-03-15 | Small-tonnage multichannel pressure loading test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB8410790D0 (en) * | 1984-04-27 | 1984-06-06 | Univ London | Determining behaviour of powder/granular material under stress |
| US9372137B1 (en) * | 2013-08-20 | 2016-06-21 | Google Inc. | Tension member fatigue tester using transverse resonance |
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2018
- 2018-03-15 CN CN201810215563.0A patent/CN108519275B/en not_active Expired - Fee Related
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| JP2002046059A (en) * | 2000-08-02 | 2002-02-12 | Canon Inc | Base polishing apparatus |
| CN201287270Y (en) * | 2008-10-31 | 2009-08-12 | 中国北车集团大连机车研究所有限公司 | Mandrel body for lathe work of pressure booster primary shaft |
| CN201446413U (en) * | 2009-04-24 | 2010-05-05 | 无锡桥联数控机床有限公司 | Main shaft pre-tightening structure of right-angle additional cutting head |
| CN202676449U (en) * | 2012-06-12 | 2013-01-16 | 西南交通大学 | Load controllable passive type servo-actuated force application linear guide rail pair test device |
| JP2014137365A (en) * | 2013-01-15 | 2014-07-28 | Washino Kiko Kk | Method and device for inspecting crack of screw fastening tool |
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| CN104198269A (en) * | 2014-09-05 | 2014-12-10 | 哈尔滨工业大学 | Compression-shear testing device and compression-shear testing method capable of realizing random loading rate and different loading paths |
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| CN205175824U (en) * | 2015-11-25 | 2016-04-20 | 福建工程学院 | Apply test device that lasting axle drew damage load to a plurality of concrete samples |
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| Publication number | Publication date |
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| CN108519275A (en) | 2018-09-11 |
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